ffmpeg / libavcodec / mpegvideo.c @ 2d974017
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/*
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* The simplest mpeg encoder (well, it was the simplest!)
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* Copyright (c) 2000,2001 Fabrice Bellard.
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* 4MV & hq & b-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at>
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*/
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/**
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* @file mpegvideo.c
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* The simplest mpeg encoder (well, it was the simplest!).
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*/
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#include "avcodec.h" |
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#include "dsputil.h" |
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#include "mpegvideo.h" |
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#include "faandct.h" |
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#include <limits.h> |
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#ifdef USE_FASTMEMCPY
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#include "fastmemcpy.h" |
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#endif
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//#undef NDEBUG
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//#include <assert.h>
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|
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#ifdef CONFIG_ENCODERS
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static void encode_picture(MpegEncContext *s, int picture_number); |
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#endif //CONFIG_ENCODERS |
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static void dct_unquantize_mpeg1_intra_c(MpegEncContext *s, |
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DCTELEM *block, int n, int qscale); |
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static void dct_unquantize_mpeg1_inter_c(MpegEncContext *s, |
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DCTELEM *block, int n, int qscale); |
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static void dct_unquantize_mpeg2_intra_c(MpegEncContext *s, |
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DCTELEM *block, int n, int qscale); |
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static void dct_unquantize_mpeg2_intra_bitexact(MpegEncContext *s, |
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DCTELEM *block, int n, int qscale); |
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static void dct_unquantize_mpeg2_inter_c(MpegEncContext *s, |
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DCTELEM *block, int n, int qscale); |
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static void dct_unquantize_h263_intra_c(MpegEncContext *s, |
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DCTELEM *block, int n, int qscale); |
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static void dct_unquantize_h263_inter_c(MpegEncContext *s, |
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DCTELEM *block, int n, int qscale); |
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static void draw_edges_c(uint8_t *buf, int wrap, int width, int height, int w); |
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#ifdef CONFIG_ENCODERS
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static int dct_quantize_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow); |
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static int dct_quantize_trellis_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow); |
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static int dct_quantize_refine(MpegEncContext *s, DCTELEM *block, int16_t *weight, DCTELEM *orig, int n, int qscale); |
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static int sse_mb(MpegEncContext *s); |
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static void denoise_dct_c(MpegEncContext *s, DCTELEM *block); |
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#endif //CONFIG_ENCODERS |
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|
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#ifdef HAVE_XVMC
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extern int XVMC_field_start(MpegEncContext*s, AVCodecContext *avctx); |
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extern void XVMC_field_end(MpegEncContext *s); |
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extern void XVMC_decode_mb(MpegEncContext *s); |
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#endif
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void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w)= draw_edges_c; |
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/* enable all paranoid tests for rounding, overflows, etc... */
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//#define PARANOID
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//#define DEBUG
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/* for jpeg fast DCT */
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#define CONST_BITS 14 |
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static const uint16_t aanscales[64] = { |
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/* precomputed values scaled up by 14 bits */
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16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520, |
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22725, 31521, 29692, 26722, 22725, 17855, 12299, 6270, |
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21407, 29692, 27969, 25172, 21407, 16819, 11585, 5906, |
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19266, 26722, 25172, 22654, 19266, 15137, 10426, 5315, |
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16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520, |
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12873, 17855, 16819, 15137, 12873, 10114, 6967, 3552, |
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8867 , 12299, 11585, 10426, 8867, 6967, 4799, 2446, |
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4520 , 6270, 5906, 5315, 4520, 3552, 2446, 1247 |
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}; |
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static const uint8_t h263_chroma_roundtab[16] = { |
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// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, |
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}; |
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static const uint8_t ff_default_chroma_qscale_table[32]={ |
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// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31 |
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}; |
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#ifdef CONFIG_ENCODERS
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static uint8_t (*default_mv_penalty)[MAX_MV*2+1]=NULL; |
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static uint8_t default_fcode_tab[MAX_MV*2+1]; |
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enum PixelFormat ff_yuv420p_list[2]= {PIX_FMT_YUV420P, -1}; |
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static void convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][64], |
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const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra) |
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{
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int qscale;
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int shift=0; |
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for(qscale=qmin; qscale<=qmax; qscale++){
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int i;
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if (dsp->fdct == ff_jpeg_fdct_islow
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#ifdef FAAN_POSTSCALE
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|| dsp->fdct == ff_faandct |
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#endif
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) {
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for(i=0;i<64;i++) { |
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const int j= dsp->idct_permutation[i]; |
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/* 16 <= qscale * quant_matrix[i] <= 7905 */
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/* 19952 <= aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
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/* (1<<36)/19952 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
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/* 3444240 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= 275 */
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qmat[qscale][i] = (int)((uint64_t_C(1) << QMAT_SHIFT) / |
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(qscale * quant_matrix[j])); |
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} |
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} else if (dsp->fdct == fdct_ifast |
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#ifndef FAAN_POSTSCALE
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|| dsp->fdct == ff_faandct |
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#endif
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) {
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for(i=0;i<64;i++) { |
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const int j= dsp->idct_permutation[i]; |
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/* 16 <= qscale * quant_matrix[i] <= 7905 */
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/* 19952 <= aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
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/* (1<<36)/19952 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
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/* 3444240 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= 275 */
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qmat[qscale][i] = (int)((uint64_t_C(1) << (QMAT_SHIFT + 14)) / |
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(aanscales[i] * qscale * quant_matrix[j])); |
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} |
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} else {
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for(i=0;i<64;i++) { |
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const int j= dsp->idct_permutation[i]; |
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/* We can safely suppose that 16 <= quant_matrix[i] <= 255
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So 16 <= qscale * quant_matrix[i] <= 7905
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so (1<<19) / 16 >= (1<<19) / (qscale * quant_matrix[i]) >= (1<<19) / 7905
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so 32768 >= (1<<19) / (qscale * quant_matrix[i]) >= 67
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*/
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qmat[qscale][i] = (int)((uint64_t_C(1) << QMAT_SHIFT) / (qscale * quant_matrix[j])); |
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// qmat [qscale][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[i]);
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qmat16[qscale][0][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[j]); |
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if(qmat16[qscale][0][i]==0 || qmat16[qscale][0][i]==128*256) qmat16[qscale][0][i]=128*256-1; |
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qmat16[qscale][1][i]= ROUNDED_DIV(bias<<(16-QUANT_BIAS_SHIFT), qmat16[qscale][0][i]); |
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} |
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} |
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for(i=intra; i<64; i++){ |
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int64_t max= 8191;
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if (dsp->fdct == fdct_ifast
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#ifndef FAAN_POSTSCALE
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|| dsp->fdct == ff_faandct |
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#endif
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) {
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max= (8191LL*aanscales[i]) >> 14; |
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} |
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while(((max * qmat[qscale][i]) >> shift) > INT_MAX){
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shift++; |
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} |
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} |
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} |
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if(shift){
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av_log(NULL, AV_LOG_INFO, "Warning, QMAT_SHIFT is larger then %d, overflows possible\n", QMAT_SHIFT - shift); |
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} |
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} |
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static inline void update_qscale(MpegEncContext *s){ |
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s->qscale= (s->lambda*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7); |
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s->qscale= clip(s->qscale, s->avctx->qmin, s->avctx->qmax); |
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s->lambda2= (s->lambda*s->lambda + FF_LAMBDA_SCALE/2) >> FF_LAMBDA_SHIFT;
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} |
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#endif //CONFIG_ENCODERS |
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void ff_init_scantable(uint8_t *permutation, ScanTable *st, const uint8_t *src_scantable){ |
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int i;
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int end;
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st->scantable= src_scantable; |
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for(i=0; i<64; i++){ |
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int j;
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j = src_scantable[i]; |
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st->permutated[i] = permutation[j]; |
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#ifdef ARCH_POWERPC
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st->inverse[j] = i; |
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#endif
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} |
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end=-1;
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for(i=0; i<64; i++){ |
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int j;
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j = st->permutated[i]; |
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if(j>end) end=j;
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st->raster_end[i]= end; |
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} |
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} |
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#ifdef CONFIG_ENCODERS
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void ff_write_quant_matrix(PutBitContext *pb, int16_t *matrix){
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int i;
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if(matrix){
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put_bits(pb, 1, 1); |
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for(i=0;i<64;i++) { |
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put_bits(pb, 8, matrix[ ff_zigzag_direct[i] ]);
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} |
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}else
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put_bits(pb, 1, 0); |
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} |
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#endif //CONFIG_ENCODERS |
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const uint8_t *ff_find_start_code(const uint8_t * restrict p, const uint8_t *end, uint32_t * restrict state){ |
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int i;
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assert(p<=end); |
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if(p>=end)
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return end;
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for(i=0; i<3; i++){ |
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uint32_t tmp= *state << 8;
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*state= tmp + *(p++); |
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if(tmp == 0x100 || p==end) |
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return p;
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} |
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while(p<end){
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if (p[-1] > 1 ) p+= 3; |
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else if(p[-2] ) p+= 2; |
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else if(p[-3]|(p[-1]-1)) p++; |
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else{
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p++; |
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break;
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} |
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} |
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p= FFMIN(p, end)-4;
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*state= be2me_32(unaligned32(p)); |
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return p+4; |
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} |
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/* init common dct for both encoder and decoder */
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int DCT_common_init(MpegEncContext *s)
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{
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s->dct_unquantize_h263_intra = dct_unquantize_h263_intra_c; |
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s->dct_unquantize_h263_inter = dct_unquantize_h263_inter_c; |
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s->dct_unquantize_mpeg1_intra = dct_unquantize_mpeg1_intra_c; |
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s->dct_unquantize_mpeg1_inter = dct_unquantize_mpeg1_inter_c; |
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s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_c; |
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if(s->flags & CODEC_FLAG_BITEXACT)
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s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_bitexact; |
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s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_c; |
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#ifdef CONFIG_ENCODERS
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s->dct_quantize= dct_quantize_c; |
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s->denoise_dct= denoise_dct_c; |
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#endif //CONFIG_ENCODERS |
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|
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#ifdef HAVE_MMX
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MPV_common_init_mmx(s); |
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#endif
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#ifdef ARCH_ALPHA
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MPV_common_init_axp(s); |
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#endif
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#ifdef HAVE_MLIB
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MPV_common_init_mlib(s); |
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#endif
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#ifdef HAVE_MMI
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MPV_common_init_mmi(s); |
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#endif
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#ifdef ARCH_ARMV4L
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MPV_common_init_armv4l(s); |
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#endif
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#ifdef ARCH_POWERPC
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MPV_common_init_ppc(s); |
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#endif
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#ifdef CONFIG_ENCODERS
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s->fast_dct_quantize= s->dct_quantize; |
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if(s->flags&CODEC_FLAG_TRELLIS_QUANT){
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s->dct_quantize= dct_quantize_trellis_c; //move before MPV_common_init_*
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} |
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#endif //CONFIG_ENCODERS |
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/* load & permutate scantables
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note: only wmv uses different ones
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*/
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if(s->alternate_scan){
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ff_init_scantable(s->dsp.idct_permutation, &s->inter_scantable , ff_alternate_vertical_scan); |
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ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable , ff_alternate_vertical_scan); |
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}else{
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ff_init_scantable(s->dsp.idct_permutation, &s->inter_scantable , ff_zigzag_direct); |
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ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable , ff_zigzag_direct); |
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} |
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ff_init_scantable(s->dsp.idct_permutation, &s->intra_h_scantable, ff_alternate_horizontal_scan); |
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ff_init_scantable(s->dsp.idct_permutation, &s->intra_v_scantable, ff_alternate_vertical_scan); |
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|
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return 0; |
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} |
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|
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static void copy_picture(Picture *dst, Picture *src){ |
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*dst = *src; |
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dst->type= FF_BUFFER_TYPE_COPY; |
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} |
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|
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static void copy_picture_attributes(MpegEncContext *s, AVFrame *dst, AVFrame *src){ |
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int i;
|
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|
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dst->pict_type = src->pict_type; |
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dst->quality = src->quality; |
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dst->coded_picture_number = src->coded_picture_number; |
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dst->display_picture_number = src->display_picture_number; |
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// dst->reference = src->reference;
|
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dst->pts = src->pts; |
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dst->interlaced_frame = src->interlaced_frame; |
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dst->top_field_first = src->top_field_first; |
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|
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if(s->avctx->me_threshold){
|
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if(!src->motion_val[0]) |
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av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_val not set!\n");
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if(!src->mb_type)
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av_log(s->avctx, AV_LOG_ERROR, "AVFrame.mb_type not set!\n");
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if(!src->ref_index[0]) |
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av_log(s->avctx, AV_LOG_ERROR, "AVFrame.ref_index not set!\n");
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if(src->motion_subsample_log2 != dst->motion_subsample_log2)
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av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_subsample_log2 doesn't match! (%d!=%d)\n",
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src->motion_subsample_log2, dst->motion_subsample_log2); |
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|
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memcpy(dst->mb_type, src->mb_type, s->mb_stride * s->mb_height * sizeof(dst->mb_type[0])); |
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|
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for(i=0; i<2; i++){ |
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int stride= ((16*s->mb_width )>>src->motion_subsample_log2) + 1; |
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int height= ((16*s->mb_height)>>src->motion_subsample_log2); |
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|
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if(src->motion_val[i] && src->motion_val[i] != dst->motion_val[i]){
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memcpy(dst->motion_val[i], src->motion_val[i], 2*stride*height*sizeof(int16_t)); |
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} |
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if(src->ref_index[i] && src->ref_index[i] != dst->ref_index[i]){
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memcpy(dst->ref_index[i], src->ref_index[i], s->b8_stride*2*s->mb_height*sizeof(int8_t)); |
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} |
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} |
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} |
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} |
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|
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/**
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* allocates a Picture
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* The pixels are allocated/set by calling get_buffer() if shared=0
|
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*/
|
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static int alloc_picture(MpegEncContext *s, Picture *pic, int shared){ |
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const int big_mb_num= s->mb_stride*(s->mb_height+1) + 1; //the +1 is needed so memset(,,stride*height) doesnt sig11 |
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const int mb_array_size= s->mb_stride*s->mb_height; |
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const int b8_array_size= s->b8_stride*s->mb_height*2; |
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const int b4_array_size= s->b4_stride*s->mb_height*4; |
| 377 |
int i;
|
| 378 |
|
| 379 |
if(shared){
|
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assert(pic->data[0]);
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assert(pic->type == 0 || pic->type == FF_BUFFER_TYPE_SHARED);
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pic->type= FF_BUFFER_TYPE_SHARED; |
| 383 |
}else{
|
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int r;
|
| 385 |
|
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assert(!pic->data[0]);
|
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|
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r= s->avctx->get_buffer(s->avctx, (AVFrame*)pic); |
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|
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if(r<0 || !pic->age || !pic->type || !pic->data[0]){ |
| 391 |
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed (%d %d %d %p)\n", r, pic->age, pic->type, pic->data[0]); |
| 392 |
return -1; |
| 393 |
} |
| 394 |
|
| 395 |
if(s->linesize && (s->linesize != pic->linesize[0] || s->uvlinesize != pic->linesize[1])){ |
| 396 |
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed (stride changed)\n");
|
| 397 |
return -1; |
| 398 |
} |
| 399 |
|
| 400 |
if(pic->linesize[1] != pic->linesize[2]){ |
| 401 |
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed (uv stride mismatch)\n");
|
| 402 |
return -1; |
| 403 |
} |
| 404 |
|
| 405 |
s->linesize = pic->linesize[0];
|
| 406 |
s->uvlinesize= pic->linesize[1];
|
| 407 |
} |
| 408 |
|
| 409 |
if(pic->qscale_table==NULL){ |
| 410 |
if (s->encoding) {
|
| 411 |
CHECKED_ALLOCZ(pic->mb_var , mb_array_size * sizeof(int16_t))
|
| 412 |
CHECKED_ALLOCZ(pic->mc_mb_var, mb_array_size * sizeof(int16_t))
|
| 413 |
CHECKED_ALLOCZ(pic->mb_mean , mb_array_size * sizeof(int8_t))
|
| 414 |
} |
| 415 |
|
| 416 |
CHECKED_ALLOCZ(pic->mbskip_table , mb_array_size * sizeof(uint8_t)+2) //the +2 is for the slice end check |
| 417 |
CHECKED_ALLOCZ(pic->qscale_table , mb_array_size * sizeof(uint8_t))
|
| 418 |
CHECKED_ALLOCZ(pic->mb_type_base , big_mb_num * sizeof(uint32_t))
|
| 419 |
pic->mb_type= pic->mb_type_base + s->mb_stride+1;
|
| 420 |
if(s->out_format == FMT_H264){
|
| 421 |
for(i=0; i<2; i++){ |
| 422 |
CHECKED_ALLOCZ(pic->motion_val_base[i], 2 * (b4_array_size+4) * sizeof(int16_t)) |
| 423 |
pic->motion_val[i]= pic->motion_val_base[i]+4;
|
| 424 |
CHECKED_ALLOCZ(pic->ref_index[i], b8_array_size * sizeof(uint8_t))
|
| 425 |
} |
| 426 |
pic->motion_subsample_log2= 2;
|
| 427 |
}else if(s->out_format == FMT_H263 || s->encoding || (s->avctx->debug&FF_DEBUG_MV) || (s->avctx->debug_mv)){ |
| 428 |
for(i=0; i<2; i++){ |
| 429 |
CHECKED_ALLOCZ(pic->motion_val_base[i], 2 * (b8_array_size+4) * sizeof(int16_t)) |
| 430 |
pic->motion_val[i]= pic->motion_val_base[i]+4;
|
| 431 |
CHECKED_ALLOCZ(pic->ref_index[i], b8_array_size * sizeof(uint8_t))
|
| 432 |
} |
| 433 |
pic->motion_subsample_log2= 3;
|
| 434 |
} |
| 435 |
if(s->avctx->debug&FF_DEBUG_DCT_COEFF) {
|
| 436 |
CHECKED_ALLOCZ(pic->dct_coeff, 64 * mb_array_size * sizeof(DCTELEM)*6) |
| 437 |
} |
| 438 |
pic->qstride= s->mb_stride; |
| 439 |
CHECKED_ALLOCZ(pic->pan_scan , 1 * sizeof(AVPanScan)) |
| 440 |
} |
| 441 |
|
| 442 |
//it might be nicer if the application would keep track of these but it would require a API change
|
| 443 |
memmove(s->prev_pict_types+1, s->prev_pict_types, PREV_PICT_TYPES_BUFFER_SIZE-1); |
| 444 |
s->prev_pict_types[0]= s->pict_type;
|
| 445 |
if(pic->age < PREV_PICT_TYPES_BUFFER_SIZE && s->prev_pict_types[pic->age] == B_TYPE)
|
| 446 |
pic->age= INT_MAX; // skipped MBs in b frames are quite rare in mpeg1/2 and its a bit tricky to skip them anyway
|
| 447 |
|
| 448 |
return 0; |
| 449 |
fail: //for the CHECKED_ALLOCZ macro |
| 450 |
return -1; |
| 451 |
} |
| 452 |
|
| 453 |
/**
|
| 454 |
* deallocates a picture
|
| 455 |
*/
|
| 456 |
static void free_picture(MpegEncContext *s, Picture *pic){ |
| 457 |
int i;
|
| 458 |
|
| 459 |
if(pic->data[0] && pic->type!=FF_BUFFER_TYPE_SHARED){ |
| 460 |
s->avctx->release_buffer(s->avctx, (AVFrame*)pic); |
| 461 |
} |
| 462 |
|
| 463 |
av_freep(&pic->mb_var); |
| 464 |
av_freep(&pic->mc_mb_var); |
| 465 |
av_freep(&pic->mb_mean); |
| 466 |
av_freep(&pic->mbskip_table); |
| 467 |
av_freep(&pic->qscale_table); |
| 468 |
av_freep(&pic->mb_type_base); |
| 469 |
av_freep(&pic->dct_coeff); |
| 470 |
av_freep(&pic->pan_scan); |
| 471 |
pic->mb_type= NULL;
|
| 472 |
for(i=0; i<2; i++){ |
| 473 |
av_freep(&pic->motion_val_base[i]); |
| 474 |
av_freep(&pic->ref_index[i]); |
| 475 |
} |
| 476 |
|
| 477 |
if(pic->type == FF_BUFFER_TYPE_SHARED){
|
| 478 |
for(i=0; i<4; i++){ |
| 479 |
pic->base[i]= |
| 480 |
pic->data[i]= NULL;
|
| 481 |
} |
| 482 |
pic->type= 0;
|
| 483 |
} |
| 484 |
} |
| 485 |
|
| 486 |
static int init_duplicate_context(MpegEncContext *s, MpegEncContext *base){ |
| 487 |
int i;
|
| 488 |
|
| 489 |
// edge emu needs blocksize + filter length - 1 (=17x17 for halfpel / 21x21 for h264)
|
| 490 |
CHECKED_ALLOCZ(s->allocated_edge_emu_buffer, (s->width+64)*2*17*2); //(width + edge + align)*interlaced*MBsize*tolerance |
| 491 |
s->edge_emu_buffer= s->allocated_edge_emu_buffer + (s->width+64)*2*17; |
| 492 |
|
| 493 |
//FIXME should be linesize instead of s->width*2 but that isnt known before get_buffer()
|
| 494 |
CHECKED_ALLOCZ(s->me.scratchpad, (s->width+64)*4*16*2*sizeof(uint8_t)) |
| 495 |
s->rd_scratchpad= s->me.scratchpad; |
| 496 |
s->b_scratchpad= s->me.scratchpad; |
| 497 |
s->obmc_scratchpad= s->me.scratchpad + 16;
|
| 498 |
if (s->encoding) {
|
| 499 |
CHECKED_ALLOCZ(s->me.map , ME_MAP_SIZE*sizeof(uint32_t))
|
| 500 |
CHECKED_ALLOCZ(s->me.score_map, ME_MAP_SIZE*sizeof(uint32_t))
|
| 501 |
if(s->avctx->noise_reduction){
|
| 502 |
CHECKED_ALLOCZ(s->dct_error_sum, 2 * 64 * sizeof(int)) |
| 503 |
} |
| 504 |
} |
| 505 |
CHECKED_ALLOCZ(s->blocks, 64*12*2 * sizeof(DCTELEM)) |
| 506 |
s->block= s->blocks[0];
|
| 507 |
|
| 508 |
for(i=0;i<12;i++){ |
| 509 |
s->pblocks[i] = (short *)(&s->block[i]);
|
| 510 |
} |
| 511 |
return 0; |
| 512 |
fail:
|
| 513 |
return -1; //free() through MPV_common_end() |
| 514 |
} |
| 515 |
|
| 516 |
static void free_duplicate_context(MpegEncContext *s){ |
| 517 |
if(s==NULL) return; |
| 518 |
|
| 519 |
av_freep(&s->allocated_edge_emu_buffer); s->edge_emu_buffer= NULL;
|
| 520 |
av_freep(&s->me.scratchpad); |
| 521 |
s->rd_scratchpad= |
| 522 |
s->b_scratchpad= |
| 523 |
s->obmc_scratchpad= NULL;
|
| 524 |
|
| 525 |
av_freep(&s->dct_error_sum); |
| 526 |
av_freep(&s->me.map); |
| 527 |
av_freep(&s->me.score_map); |
| 528 |
av_freep(&s->blocks); |
| 529 |
s->block= NULL;
|
| 530 |
} |
| 531 |
|
| 532 |
static void backup_duplicate_context(MpegEncContext *bak, MpegEncContext *src){ |
| 533 |
#define COPY(a) bak->a= src->a
|
| 534 |
COPY(allocated_edge_emu_buffer); |
| 535 |
COPY(edge_emu_buffer); |
| 536 |
COPY(me.scratchpad); |
| 537 |
COPY(rd_scratchpad); |
| 538 |
COPY(b_scratchpad); |
| 539 |
COPY(obmc_scratchpad); |
| 540 |
COPY(me.map); |
| 541 |
COPY(me.score_map); |
| 542 |
COPY(blocks); |
| 543 |
COPY(block); |
| 544 |
COPY(start_mb_y); |
| 545 |
COPY(end_mb_y); |
| 546 |
COPY(me.map_generation); |
| 547 |
COPY(pb); |
| 548 |
COPY(dct_error_sum); |
| 549 |
COPY(dct_count[0]);
|
| 550 |
COPY(dct_count[1]);
|
| 551 |
#undef COPY
|
| 552 |
} |
| 553 |
|
| 554 |
void ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src){
|
| 555 |
MpegEncContext bak; |
| 556 |
int i;
|
| 557 |
//FIXME copy only needed parts
|
| 558 |
//START_TIMER
|
| 559 |
backup_duplicate_context(&bak, dst); |
| 560 |
memcpy(dst, src, sizeof(MpegEncContext));
|
| 561 |
backup_duplicate_context(dst, &bak); |
| 562 |
for(i=0;i<12;i++){ |
| 563 |
dst->pblocks[i] = (short *)(&dst->block[i]);
|
| 564 |
} |
| 565 |
//STOP_TIMER("update_duplicate_context") //about 10k cycles / 0.01 sec for 1000frames on 1ghz with 2 threads
|
| 566 |
} |
| 567 |
|
| 568 |
static void update_duplicate_context_after_me(MpegEncContext *dst, MpegEncContext *src){ |
| 569 |
#define COPY(a) dst->a= src->a
|
| 570 |
COPY(pict_type); |
| 571 |
COPY(current_picture); |
| 572 |
COPY(f_code); |
| 573 |
COPY(b_code); |
| 574 |
COPY(qscale); |
| 575 |
COPY(lambda); |
| 576 |
COPY(lambda2); |
| 577 |
COPY(picture_in_gop_number); |
| 578 |
COPY(gop_picture_number); |
| 579 |
COPY(frame_pred_frame_dct); //FIXME don't set in encode_header
|
| 580 |
COPY(progressive_frame); //FIXME don't set in encode_header
|
| 581 |
COPY(partitioned_frame); //FIXME don't set in encode_header
|
| 582 |
#undef COPY
|
| 583 |
} |
| 584 |
|
| 585 |
/**
|
| 586 |
* sets the given MpegEncContext to common defaults (same for encoding and decoding).
|
| 587 |
* the changed fields will not depend upon the prior state of the MpegEncContext.
|
| 588 |
*/
|
| 589 |
static void MPV_common_defaults(MpegEncContext *s){ |
| 590 |
s->y_dc_scale_table= |
| 591 |
s->c_dc_scale_table= ff_mpeg1_dc_scale_table; |
| 592 |
s->chroma_qscale_table= ff_default_chroma_qscale_table; |
| 593 |
s->progressive_frame= 1;
|
| 594 |
s->progressive_sequence= 1;
|
| 595 |
s->picture_structure= PICT_FRAME; |
| 596 |
|
| 597 |
s->coded_picture_number = 0;
|
| 598 |
s->picture_number = 0;
|
| 599 |
s->input_picture_number = 0;
|
| 600 |
|
| 601 |
s->picture_in_gop_number = 0;
|
| 602 |
|
| 603 |
s->f_code = 1;
|
| 604 |
s->b_code = 1;
|
| 605 |
} |
| 606 |
|
| 607 |
/**
|
| 608 |
* sets the given MpegEncContext to defaults for decoding.
|
| 609 |
* the changed fields will not depend upon the prior state of the MpegEncContext.
|
| 610 |
*/
|
| 611 |
void MPV_decode_defaults(MpegEncContext *s){
|
| 612 |
MPV_common_defaults(s); |
| 613 |
} |
| 614 |
|
| 615 |
/**
|
| 616 |
* sets the given MpegEncContext to defaults for encoding.
|
| 617 |
* the changed fields will not depend upon the prior state of the MpegEncContext.
|
| 618 |
*/
|
| 619 |
|
| 620 |
#ifdef CONFIG_ENCODERS
|
| 621 |
static void MPV_encode_defaults(MpegEncContext *s){ |
| 622 |
static int done=0; |
| 623 |
|
| 624 |
MPV_common_defaults(s); |
| 625 |
|
| 626 |
if(!done){
|
| 627 |
int i;
|
| 628 |
done=1;
|
| 629 |
|
| 630 |
default_mv_penalty= av_mallocz( sizeof(uint8_t)*(MAX_FCODE+1)*(2*MAX_MV+1) ); |
| 631 |
memset(default_fcode_tab , 0, sizeof(uint8_t)*(2*MAX_MV+1)); |
| 632 |
|
| 633 |
for(i=-16; i<16; i++){ |
| 634 |
default_fcode_tab[i + MAX_MV]= 1;
|
| 635 |
} |
| 636 |
} |
| 637 |
s->me.mv_penalty= default_mv_penalty; |
| 638 |
s->fcode_tab= default_fcode_tab; |
| 639 |
} |
| 640 |
#endif //CONFIG_ENCODERS |
| 641 |
|
| 642 |
/**
|
| 643 |
* init common structure for both encoder and decoder.
|
| 644 |
* this assumes that some variables like width/height are already set
|
| 645 |
*/
|
| 646 |
int MPV_common_init(MpegEncContext *s)
|
| 647 |
{
|
| 648 |
int y_size, c_size, yc_size, i, mb_array_size, mv_table_size, x, y;
|
| 649 |
|
| 650 |
s->mb_height = (s->height + 15) / 16; |
| 651 |
|
| 652 |
if(s->avctx->thread_count > MAX_THREADS || (s->avctx->thread_count > s->mb_height && s->mb_height)){
|
| 653 |
av_log(s->avctx, AV_LOG_ERROR, "too many threads\n");
|
| 654 |
return -1; |
| 655 |
} |
| 656 |
|
| 657 |
if((s->width || s->height) && avcodec_check_dimensions(s->avctx, s->width, s->height))
|
| 658 |
return -1; |
| 659 |
|
| 660 |
dsputil_init(&s->dsp, s->avctx); |
| 661 |
DCT_common_init(s); |
| 662 |
|
| 663 |
s->flags= s->avctx->flags; |
| 664 |
s->flags2= s->avctx->flags2; |
| 665 |
|
| 666 |
s->mb_width = (s->width + 15) / 16; |
| 667 |
s->mb_stride = s->mb_width + 1;
|
| 668 |
s->b8_stride = s->mb_width*2 + 1; |
| 669 |
s->b4_stride = s->mb_width*4 + 1; |
| 670 |
mb_array_size= s->mb_height * s->mb_stride; |
| 671 |
mv_table_size= (s->mb_height+2) * s->mb_stride + 1; |
| 672 |
|
| 673 |
/* set chroma shifts */
|
| 674 |
avcodec_get_chroma_sub_sample(s->avctx->pix_fmt,&(s->chroma_x_shift), |
| 675 |
&(s->chroma_y_shift) ); |
| 676 |
|
| 677 |
/* set default edge pos, will be overriden in decode_header if needed */
|
| 678 |
s->h_edge_pos= s->mb_width*16;
|
| 679 |
s->v_edge_pos= s->mb_height*16;
|
| 680 |
|
| 681 |
s->mb_num = s->mb_width * s->mb_height; |
| 682 |
|
| 683 |
s->block_wrap[0]=
|
| 684 |
s->block_wrap[1]=
|
| 685 |
s->block_wrap[2]=
|
| 686 |
s->block_wrap[3]= s->b8_stride;
|
| 687 |
s->block_wrap[4]=
|
| 688 |
s->block_wrap[5]= s->mb_stride;
|
| 689 |
|
| 690 |
y_size = s->b8_stride * (2 * s->mb_height + 1); |
| 691 |
c_size = s->mb_stride * (s->mb_height + 1);
|
| 692 |
yc_size = y_size + 2 * c_size;
|
| 693 |
|
| 694 |
/* convert fourcc to upper case */
|
| 695 |
s->avctx->codec_tag= toupper( s->avctx->codec_tag &0xFF)
|
| 696 |
+ (toupper((s->avctx->codec_tag>>8 )&0xFF)<<8 ) |
| 697 |
+ (toupper((s->avctx->codec_tag>>16)&0xFF)<<16) |
| 698 |
+ (toupper((s->avctx->codec_tag>>24)&0xFF)<<24); |
| 699 |
|
| 700 |
s->avctx->stream_codec_tag= toupper( s->avctx->stream_codec_tag &0xFF)
|
| 701 |
+ (toupper((s->avctx->stream_codec_tag>>8 )&0xFF)<<8 ) |
| 702 |
+ (toupper((s->avctx->stream_codec_tag>>16)&0xFF)<<16) |
| 703 |
+ (toupper((s->avctx->stream_codec_tag>>24)&0xFF)<<24); |
| 704 |
|
| 705 |
s->avctx->coded_frame= (AVFrame*)&s->current_picture; |
| 706 |
|
| 707 |
CHECKED_ALLOCZ(s->mb_index2xy, (s->mb_num+1)*sizeof(int)) //error ressilience code looks cleaner with this |
| 708 |
for(y=0; y<s->mb_height; y++){ |
| 709 |
for(x=0; x<s->mb_width; x++){ |
| 710 |
s->mb_index2xy[ x + y*s->mb_width ] = x + y*s->mb_stride; |
| 711 |
} |
| 712 |
} |
| 713 |
s->mb_index2xy[ s->mb_height*s->mb_width ] = (s->mb_height-1)*s->mb_stride + s->mb_width; //FIXME really needed? |
| 714 |
|
| 715 |
if (s->encoding) {
|
| 716 |
/* Allocate MV tables */
|
| 717 |
CHECKED_ALLOCZ(s->p_mv_table_base , mv_table_size * 2 * sizeof(int16_t)) |
| 718 |
CHECKED_ALLOCZ(s->b_forw_mv_table_base , mv_table_size * 2 * sizeof(int16_t)) |
| 719 |
CHECKED_ALLOCZ(s->b_back_mv_table_base , mv_table_size * 2 * sizeof(int16_t)) |
| 720 |
CHECKED_ALLOCZ(s->b_bidir_forw_mv_table_base , mv_table_size * 2 * sizeof(int16_t)) |
| 721 |
CHECKED_ALLOCZ(s->b_bidir_back_mv_table_base , mv_table_size * 2 * sizeof(int16_t)) |
| 722 |
CHECKED_ALLOCZ(s->b_direct_mv_table_base , mv_table_size * 2 * sizeof(int16_t)) |
| 723 |
s->p_mv_table = s->p_mv_table_base + s->mb_stride + 1;
|
| 724 |
s->b_forw_mv_table = s->b_forw_mv_table_base + s->mb_stride + 1;
|
| 725 |
s->b_back_mv_table = s->b_back_mv_table_base + s->mb_stride + 1;
|
| 726 |
s->b_bidir_forw_mv_table= s->b_bidir_forw_mv_table_base + s->mb_stride + 1;
|
| 727 |
s->b_bidir_back_mv_table= s->b_bidir_back_mv_table_base + s->mb_stride + 1;
|
| 728 |
s->b_direct_mv_table = s->b_direct_mv_table_base + s->mb_stride + 1;
|
| 729 |
|
| 730 |
if(s->msmpeg4_version){
|
| 731 |
CHECKED_ALLOCZ(s->ac_stats, 2*2*(MAX_LEVEL+1)*(MAX_RUN+1)*2*sizeof(int)); |
| 732 |
} |
| 733 |
CHECKED_ALLOCZ(s->avctx->stats_out, 256);
|
| 734 |
|
| 735 |
/* Allocate MB type table */
|
| 736 |
CHECKED_ALLOCZ(s->mb_type , mb_array_size * sizeof(uint16_t)) //needed for encoding |
| 737 |
|
| 738 |
CHECKED_ALLOCZ(s->lambda_table, mb_array_size * sizeof(int)) |
| 739 |
|
| 740 |
CHECKED_ALLOCZ(s->q_intra_matrix, 64*32 * sizeof(int)) |
| 741 |
CHECKED_ALLOCZ(s->q_inter_matrix, 64*32 * sizeof(int)) |
| 742 |
CHECKED_ALLOCZ(s->q_intra_matrix16, 64*32*2 * sizeof(uint16_t)) |
| 743 |
CHECKED_ALLOCZ(s->q_inter_matrix16, 64*32*2 * sizeof(uint16_t)) |
| 744 |
CHECKED_ALLOCZ(s->input_picture, MAX_PICTURE_COUNT * sizeof(Picture*))
|
| 745 |
CHECKED_ALLOCZ(s->reordered_input_picture, MAX_PICTURE_COUNT * sizeof(Picture*))
|
| 746 |
|
| 747 |
if(s->avctx->noise_reduction){
|
| 748 |
CHECKED_ALLOCZ(s->dct_offset, 2 * 64 * sizeof(uint16_t)) |
| 749 |
} |
| 750 |
} |
| 751 |
CHECKED_ALLOCZ(s->picture, MAX_PICTURE_COUNT * sizeof(Picture))
|
| 752 |
|
| 753 |
CHECKED_ALLOCZ(s->error_status_table, mb_array_size*sizeof(uint8_t))
|
| 754 |
|
| 755 |
if(s->codec_id==CODEC_ID_MPEG4 || (s->flags & CODEC_FLAG_INTERLACED_ME)){
|
| 756 |
/* interlaced direct mode decoding tables */
|
| 757 |
for(i=0; i<2; i++){ |
| 758 |
int j, k;
|
| 759 |
for(j=0; j<2; j++){ |
| 760 |
for(k=0; k<2; k++){ |
| 761 |
CHECKED_ALLOCZ(s->b_field_mv_table_base[i][j][k] , mv_table_size * 2 * sizeof(int16_t)) |
| 762 |
s->b_field_mv_table[i][j][k] = s->b_field_mv_table_base[i][j][k] + s->mb_stride + 1;
|
| 763 |
} |
| 764 |
CHECKED_ALLOCZ(s->b_field_select_table[i][j] , mb_array_size * 2 * sizeof(uint8_t)) |
| 765 |
CHECKED_ALLOCZ(s->p_field_mv_table_base[i][j] , mv_table_size * 2 * sizeof(int16_t)) |
| 766 |
s->p_field_mv_table[i][j] = s->p_field_mv_table_base[i][j] + s->mb_stride + 1;
|
| 767 |
} |
| 768 |
CHECKED_ALLOCZ(s->p_field_select_table[i] , mb_array_size * 2 * sizeof(uint8_t)) |
| 769 |
} |
| 770 |
} |
| 771 |
if (s->out_format == FMT_H263) {
|
| 772 |
/* ac values */
|
| 773 |
CHECKED_ALLOCZ(s->ac_val_base, yc_size * sizeof(int16_t) * 16); |
| 774 |
s->ac_val[0] = s->ac_val_base + s->b8_stride + 1; |
| 775 |
s->ac_val[1] = s->ac_val_base + y_size + s->mb_stride + 1; |
| 776 |
s->ac_val[2] = s->ac_val[1] + c_size; |
| 777 |
|
| 778 |
/* cbp values */
|
| 779 |
CHECKED_ALLOCZ(s->coded_block_base, y_size); |
| 780 |
s->coded_block= s->coded_block_base + s->b8_stride + 1;
|
| 781 |
|
| 782 |
/* cbp, ac_pred, pred_dir */
|
| 783 |
CHECKED_ALLOCZ(s->cbp_table , mb_array_size * sizeof(uint8_t))
|
| 784 |
CHECKED_ALLOCZ(s->pred_dir_table, mb_array_size * sizeof(uint8_t))
|
| 785 |
} |
| 786 |
|
| 787 |
if (s->h263_pred || s->h263_plus || !s->encoding) {
|
| 788 |
/* dc values */
|
| 789 |
//MN: we need these for error resilience of intra-frames
|
| 790 |
CHECKED_ALLOCZ(s->dc_val_base, yc_size * sizeof(int16_t));
|
| 791 |
s->dc_val[0] = s->dc_val_base + s->b8_stride + 1; |
| 792 |
s->dc_val[1] = s->dc_val_base + y_size + s->mb_stride + 1; |
| 793 |
s->dc_val[2] = s->dc_val[1] + c_size; |
| 794 |
for(i=0;i<yc_size;i++) |
| 795 |
s->dc_val_base[i] = 1024;
|
| 796 |
} |
| 797 |
|
| 798 |
/* which mb is a intra block */
|
| 799 |
CHECKED_ALLOCZ(s->mbintra_table, mb_array_size); |
| 800 |
memset(s->mbintra_table, 1, mb_array_size);
|
| 801 |
|
| 802 |
/* init macroblock skip table */
|
| 803 |
CHECKED_ALLOCZ(s->mbskip_table, mb_array_size+2);
|
| 804 |
//Note the +1 is for a quicker mpeg4 slice_end detection
|
| 805 |
CHECKED_ALLOCZ(s->prev_pict_types, PREV_PICT_TYPES_BUFFER_SIZE); |
| 806 |
|
| 807 |
s->parse_context.state= -1;
|
| 808 |
if((s->avctx->debug&(FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) || (s->avctx->debug_mv)){
|
| 809 |
s->visualization_buffer[0] = av_malloc((s->mb_width*16 + 2*EDGE_WIDTH) * s->mb_height*16 + 2*EDGE_WIDTH); |
| 810 |
s->visualization_buffer[1] = av_malloc((s->mb_width*8 + EDGE_WIDTH) * s->mb_height*8 + EDGE_WIDTH); |
| 811 |
s->visualization_buffer[2] = av_malloc((s->mb_width*8 + EDGE_WIDTH) * s->mb_height*8 + EDGE_WIDTH); |
| 812 |
} |
| 813 |
|
| 814 |
s->context_initialized = 1;
|
| 815 |
|
| 816 |
s->thread_context[0]= s;
|
| 817 |
for(i=1; i<s->avctx->thread_count; i++){ |
| 818 |
s->thread_context[i]= av_malloc(sizeof(MpegEncContext));
|
| 819 |
memcpy(s->thread_context[i], s, sizeof(MpegEncContext));
|
| 820 |
} |
| 821 |
|
| 822 |
for(i=0; i<s->avctx->thread_count; i++){ |
| 823 |
if(init_duplicate_context(s->thread_context[i], s) < 0) |
| 824 |
goto fail;
|
| 825 |
s->thread_context[i]->start_mb_y= (s->mb_height*(i ) + s->avctx->thread_count/2) / s->avctx->thread_count;
|
| 826 |
s->thread_context[i]->end_mb_y = (s->mb_height*(i+1) + s->avctx->thread_count/2) / s->avctx->thread_count; |
| 827 |
} |
| 828 |
|
| 829 |
return 0; |
| 830 |
fail:
|
| 831 |
MPV_common_end(s); |
| 832 |
return -1; |
| 833 |
} |
| 834 |
|
| 835 |
/* init common structure for both encoder and decoder */
|
| 836 |
void MPV_common_end(MpegEncContext *s)
|
| 837 |
{
|
| 838 |
int i, j, k;
|
| 839 |
|
| 840 |
for(i=0; i<s->avctx->thread_count; i++){ |
| 841 |
free_duplicate_context(s->thread_context[i]); |
| 842 |
} |
| 843 |
for(i=1; i<s->avctx->thread_count; i++){ |
| 844 |
av_freep(&s->thread_context[i]); |
| 845 |
} |
| 846 |
|
| 847 |
av_freep(&s->parse_context.buffer); |
| 848 |
s->parse_context.buffer_size=0;
|
| 849 |
|
| 850 |
av_freep(&s->mb_type); |
| 851 |
av_freep(&s->p_mv_table_base); |
| 852 |
av_freep(&s->b_forw_mv_table_base); |
| 853 |
av_freep(&s->b_back_mv_table_base); |
| 854 |
av_freep(&s->b_bidir_forw_mv_table_base); |
| 855 |
av_freep(&s->b_bidir_back_mv_table_base); |
| 856 |
av_freep(&s->b_direct_mv_table_base); |
| 857 |
s->p_mv_table= NULL;
|
| 858 |
s->b_forw_mv_table= NULL;
|
| 859 |
s->b_back_mv_table= NULL;
|
| 860 |
s->b_bidir_forw_mv_table= NULL;
|
| 861 |
s->b_bidir_back_mv_table= NULL;
|
| 862 |
s->b_direct_mv_table= NULL;
|
| 863 |
for(i=0; i<2; i++){ |
| 864 |
for(j=0; j<2; j++){ |
| 865 |
for(k=0; k<2; k++){ |
| 866 |
av_freep(&s->b_field_mv_table_base[i][j][k]); |
| 867 |
s->b_field_mv_table[i][j][k]=NULL;
|
| 868 |
} |
| 869 |
av_freep(&s->b_field_select_table[i][j]); |
| 870 |
av_freep(&s->p_field_mv_table_base[i][j]); |
| 871 |
s->p_field_mv_table[i][j]=NULL;
|
| 872 |
} |
| 873 |
av_freep(&s->p_field_select_table[i]); |
| 874 |
} |
| 875 |
|
| 876 |
av_freep(&s->dc_val_base); |
| 877 |
av_freep(&s->ac_val_base); |
| 878 |
av_freep(&s->coded_block_base); |
| 879 |
av_freep(&s->mbintra_table); |
| 880 |
av_freep(&s->cbp_table); |
| 881 |
av_freep(&s->pred_dir_table); |
| 882 |
|
| 883 |
av_freep(&s->mbskip_table); |
| 884 |
av_freep(&s->prev_pict_types); |
| 885 |
av_freep(&s->bitstream_buffer); |
| 886 |
s->allocated_bitstream_buffer_size=0;
|
| 887 |
|
| 888 |
av_freep(&s->avctx->stats_out); |
| 889 |
av_freep(&s->ac_stats); |
| 890 |
av_freep(&s->error_status_table); |
| 891 |
av_freep(&s->mb_index2xy); |
| 892 |
av_freep(&s->lambda_table); |
| 893 |
av_freep(&s->q_intra_matrix); |
| 894 |
av_freep(&s->q_inter_matrix); |
| 895 |
av_freep(&s->q_intra_matrix16); |
| 896 |
av_freep(&s->q_inter_matrix16); |
| 897 |
av_freep(&s->input_picture); |
| 898 |
av_freep(&s->reordered_input_picture); |
| 899 |
av_freep(&s->dct_offset); |
| 900 |
|
| 901 |
if(s->picture){
|
| 902 |
for(i=0; i<MAX_PICTURE_COUNT; i++){ |
| 903 |
free_picture(s, &s->picture[i]); |
| 904 |
} |
| 905 |
} |
| 906 |
av_freep(&s->picture); |
| 907 |
s->context_initialized = 0;
|
| 908 |
s->last_picture_ptr= |
| 909 |
s->next_picture_ptr= |
| 910 |
s->current_picture_ptr= NULL;
|
| 911 |
s->linesize= s->uvlinesize= 0;
|
| 912 |
|
| 913 |
for(i=0; i<3; i++) |
| 914 |
av_freep(&s->visualization_buffer[i]); |
| 915 |
|
| 916 |
avcodec_default_free_buffers(s->avctx); |
| 917 |
} |
| 918 |
|
| 919 |
#ifdef CONFIG_ENCODERS
|
| 920 |
|
| 921 |
/* init video encoder */
|
| 922 |
int MPV_encode_init(AVCodecContext *avctx)
|
| 923 |
{
|
| 924 |
MpegEncContext *s = avctx->priv_data; |
| 925 |
int i;
|
| 926 |
int chroma_h_shift, chroma_v_shift;
|
| 927 |
|
| 928 |
MPV_encode_defaults(s); |
| 929 |
|
| 930 |
switch (avctx->codec_id) {
|
| 931 |
case CODEC_ID_MPEG2VIDEO:
|
| 932 |
if(avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P){
|
| 933 |
av_log(avctx, AV_LOG_ERROR, "only YUV420 and YUV422 are supported\n");
|
| 934 |
return -1; |
| 935 |
} |
| 936 |
break;
|
| 937 |
case CODEC_ID_LJPEG:
|
| 938 |
case CODEC_ID_MJPEG:
|
| 939 |
if(avctx->pix_fmt != PIX_FMT_YUVJ420P && (avctx->pix_fmt != PIX_FMT_YUV420P || avctx->strict_std_compliance>FF_COMPLIANCE_INOFFICIAL)){
|
| 940 |
av_log(avctx, AV_LOG_ERROR, "colorspace not supported in jpeg\n");
|
| 941 |
return -1; |
| 942 |
} |
| 943 |
break;
|
| 944 |
default:
|
| 945 |
if(avctx->pix_fmt != PIX_FMT_YUV420P){
|
| 946 |
av_log(avctx, AV_LOG_ERROR, "only YUV420 is supported\n");
|
| 947 |
return -1; |
| 948 |
} |
| 949 |
} |
| 950 |
|
| 951 |
switch (avctx->pix_fmt) {
|
| 952 |
case PIX_FMT_YUVJ422P:
|
| 953 |
case PIX_FMT_YUV422P:
|
| 954 |
s->chroma_format = CHROMA_422; |
| 955 |
break;
|
| 956 |
case PIX_FMT_YUVJ420P:
|
| 957 |
case PIX_FMT_YUV420P:
|
| 958 |
default:
|
| 959 |
s->chroma_format = CHROMA_420; |
| 960 |
break;
|
| 961 |
} |
| 962 |
|
| 963 |
s->bit_rate = avctx->bit_rate; |
| 964 |
s->width = avctx->width; |
| 965 |
s->height = avctx->height; |
| 966 |
if(avctx->gop_size > 600 && avctx->strict_std_compliance>FF_COMPLIANCE_EXPERIMENTAL){ |
| 967 |
av_log(avctx, AV_LOG_ERROR, "Warning keyframe interval too large! reducing it ...\n");
|
| 968 |
avctx->gop_size=600;
|
| 969 |
} |
| 970 |
s->gop_size = avctx->gop_size; |
| 971 |
s->avctx = avctx; |
| 972 |
s->flags= avctx->flags; |
| 973 |
s->flags2= avctx->flags2; |
| 974 |
s->max_b_frames= avctx->max_b_frames; |
| 975 |
s->codec_id= avctx->codec->id; |
| 976 |
s->luma_elim_threshold = avctx->luma_elim_threshold; |
| 977 |
s->chroma_elim_threshold= avctx->chroma_elim_threshold; |
| 978 |
s->strict_std_compliance= avctx->strict_std_compliance; |
| 979 |
s->data_partitioning= avctx->flags & CODEC_FLAG_PART; |
| 980 |
s->quarter_sample= (avctx->flags & CODEC_FLAG_QPEL)!=0;
|
| 981 |
s->mpeg_quant= avctx->mpeg_quant; |
| 982 |
s->rtp_mode= !!avctx->rtp_payload_size; |
| 983 |
s->intra_dc_precision= avctx->intra_dc_precision; |
| 984 |
s->user_specified_pts = AV_NOPTS_VALUE; |
| 985 |
|
| 986 |
if (s->gop_size <= 1) { |
| 987 |
s->intra_only = 1;
|
| 988 |
s->gop_size = 12;
|
| 989 |
} else {
|
| 990 |
s->intra_only = 0;
|
| 991 |
} |
| 992 |
|
| 993 |
s->me_method = avctx->me_method; |
| 994 |
|
| 995 |
/* Fixed QSCALE */
|
| 996 |
s->fixed_qscale = !!(avctx->flags & CODEC_FLAG_QSCALE); |
| 997 |
|
| 998 |
s->adaptive_quant= ( s->avctx->lumi_masking |
| 999 |
|| s->avctx->dark_masking |
| 1000 |
|| s->avctx->temporal_cplx_masking |
| 1001 |
|| s->avctx->spatial_cplx_masking |
| 1002 |
|| s->avctx->p_masking |
| 1003 |
|| s->avctx->border_masking |
| 1004 |
|| (s->flags&CODEC_FLAG_QP_RD)) |
| 1005 |
&& !s->fixed_qscale; |
| 1006 |
|
| 1007 |
s->obmc= !!(s->flags & CODEC_FLAG_OBMC); |
| 1008 |
s->loop_filter= !!(s->flags & CODEC_FLAG_LOOP_FILTER); |
| 1009 |
s->alternate_scan= !!(s->flags & CODEC_FLAG_ALT_SCAN); |
| 1010 |
s->intra_vlc_format= !!(s->flags2 & CODEC_FLAG2_INTRA_VLC); |
| 1011 |
|
| 1012 |
if(avctx->rc_max_rate && !avctx->rc_buffer_size){
|
| 1013 |
av_log(avctx, AV_LOG_ERROR, "a vbv buffer size is needed, for encoding with a maximum bitrate\n");
|
| 1014 |
return -1; |
| 1015 |
} |
| 1016 |
|
| 1017 |
if(avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate){
|
| 1018 |
av_log(avctx, AV_LOG_INFO, "Warning min_rate > 0 but min_rate != max_rate isn't recommended!\n");
|
| 1019 |
} |
| 1020 |
|
| 1021 |
if(avctx->rc_min_rate && avctx->rc_min_rate > avctx->bit_rate){
|
| 1022 |
av_log(avctx, AV_LOG_INFO, "bitrate below min bitrate\n");
|
| 1023 |
return -1; |
| 1024 |
} |
| 1025 |
|
| 1026 |
if(avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate){
|
| 1027 |
av_log(avctx, AV_LOG_INFO, "bitrate above max bitrate\n");
|
| 1028 |
return -1; |
| 1029 |
} |
| 1030 |
|
| 1031 |
if( s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate
|
| 1032 |
&& (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO) |
| 1033 |
&& 90000LL * (avctx->rc_buffer_size-1) > s->avctx->rc_max_rate*0xFFFFLL){ |
| 1034 |
|
| 1035 |
av_log(avctx, AV_LOG_INFO, "Warning vbv_delay will be set to 0xFFFF (=VBR) as the specified vbv buffer is too large for the given bitrate!\n");
|
| 1036 |
} |
| 1037 |
|
| 1038 |
if((s->flags & CODEC_FLAG_4MV) && s->codec_id != CODEC_ID_MPEG4
|
| 1039 |
&& s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P && s->codec_id != CODEC_ID_FLV1){
|
| 1040 |
av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n");
|
| 1041 |
return -1; |
| 1042 |
} |
| 1043 |
|
| 1044 |
if(s->obmc && s->avctx->mb_decision != FF_MB_DECISION_SIMPLE){
|
| 1045 |
av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with simple mb decision\n");
|
| 1046 |
return -1; |
| 1047 |
} |
| 1048 |
|
| 1049 |
if(s->obmc && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P){
|
| 1050 |
av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with H263(+)\n");
|
| 1051 |
return -1; |
| 1052 |
} |
| 1053 |
|
| 1054 |
if(s->quarter_sample && s->codec_id != CODEC_ID_MPEG4){
|
| 1055 |
av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n");
|
| 1056 |
return -1; |
| 1057 |
} |
| 1058 |
|
| 1059 |
if(s->data_partitioning && s->codec_id != CODEC_ID_MPEG4){
|
| 1060 |
av_log(avctx, AV_LOG_ERROR, "data partitioning not supported by codec\n");
|
| 1061 |
return -1; |
| 1062 |
} |
| 1063 |
|
| 1064 |
if(s->max_b_frames && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO){
|
| 1065 |
av_log(avctx, AV_LOG_ERROR, "b frames not supported by codec\n");
|
| 1066 |
return -1; |
| 1067 |
} |
| 1068 |
|
| 1069 |
if((s->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN))
|
| 1070 |
&& s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG2VIDEO){
|
| 1071 |
av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n");
|
| 1072 |
return -1; |
| 1073 |
} |
| 1074 |
|
| 1075 |
if(s->mpeg_quant && s->codec_id != CODEC_ID_MPEG4){ //FIXME mpeg2 uses that too |
| 1076 |
av_log(avctx, AV_LOG_ERROR, "mpeg2 style quantization not supported by codec\n");
|
| 1077 |
return -1; |
| 1078 |
} |
| 1079 |
|
| 1080 |
if((s->flags & CODEC_FLAG_CBP_RD) && !(s->flags & CODEC_FLAG_TRELLIS_QUANT)){
|
| 1081 |
av_log(avctx, AV_LOG_ERROR, "CBP RD needs trellis quant\n");
|
| 1082 |
return -1; |
| 1083 |
} |
| 1084 |
|
| 1085 |
if((s->flags & CODEC_FLAG_QP_RD) && s->avctx->mb_decision != FF_MB_DECISION_RD){
|
| 1086 |
av_log(avctx, AV_LOG_ERROR, "QP RD needs mbd=2\n");
|
| 1087 |
return -1; |
| 1088 |
} |
| 1089 |
|
| 1090 |
if(s->avctx->scenechange_threshold < 1000000000 && (s->flags & CODEC_FLAG_CLOSED_GOP)){ |
| 1091 |
av_log(avctx, AV_LOG_ERROR, "closed gop with scene change detection arent supported yet\n");
|
| 1092 |
return -1; |
| 1093 |
} |
| 1094 |
|
| 1095 |
if((s->flags2 & CODEC_FLAG2_INTRA_VLC) && s->codec_id != CODEC_ID_MPEG2VIDEO){
|
| 1096 |
av_log(avctx, AV_LOG_ERROR, "intra vlc table not supported by codec\n");
|
| 1097 |
return -1; |
| 1098 |
} |
| 1099 |
|
| 1100 |
if(s->avctx->thread_count > 1 && s->codec_id != CODEC_ID_MPEG4 |
| 1101 |
&& s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO |
| 1102 |
&& (s->codec_id != CODEC_ID_H263P || !(s->flags & CODEC_FLAG_H263P_SLICE_STRUCT))){
|
| 1103 |
av_log(avctx, AV_LOG_ERROR, "multi threaded encoding not supported by codec\n");
|
| 1104 |
return -1; |
| 1105 |
} |
| 1106 |
|
| 1107 |
if(s->avctx->thread_count > 1) |
| 1108 |
s->rtp_mode= 1;
|
| 1109 |
|
| 1110 |
if(!avctx->time_base.den || !avctx->time_base.num){
|
| 1111 |
av_log(avctx, AV_LOG_ERROR, "framerate not set\n");
|
| 1112 |
return -1; |
| 1113 |
} |
| 1114 |
|
| 1115 |
i= (INT_MAX/2+128)>>8; |
| 1116 |
if(avctx->me_threshold >= i){
|
| 1117 |
av_log(avctx, AV_LOG_ERROR, "me_threshold too large, max is %d\n", i - 1); |
| 1118 |
return -1; |
| 1119 |
} |
| 1120 |
if(avctx->mb_threshold >= i){
|
| 1121 |
av_log(avctx, AV_LOG_ERROR, "mb_threshold too large, max is %d\n", i - 1); |
| 1122 |
return -1; |
| 1123 |
} |
| 1124 |
|
| 1125 |
if(avctx->b_frame_strategy && (avctx->flags&CODEC_FLAG_PASS2)){
|
| 1126 |
av_log(avctx, AV_LOG_ERROR, "b_frame_strategy must be 0 on the second pass\n");
|
| 1127 |
return -1; |
| 1128 |
} |
| 1129 |
|
| 1130 |
i= ff_gcd(avctx->time_base.den, avctx->time_base.num); |
| 1131 |
if(i > 1){ |
| 1132 |
av_log(avctx, AV_LOG_INFO, "removing common factors from framerate\n");
|
| 1133 |
avctx->time_base.den /= i; |
| 1134 |
avctx->time_base.num /= i; |
| 1135 |
// return -1;
|
| 1136 |
} |
| 1137 |
|
| 1138 |
if(s->codec_id==CODEC_ID_MJPEG){
|
| 1139 |
s->intra_quant_bias= 1<<(QUANT_BIAS_SHIFT-1); //(a + x/2)/x |
| 1140 |
s->inter_quant_bias= 0;
|
| 1141 |
}else if(s->mpeg_quant || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO){ |
| 1142 |
s->intra_quant_bias= 3<<(QUANT_BIAS_SHIFT-3); //(a + x*3/8)/x |
| 1143 |
s->inter_quant_bias= 0;
|
| 1144 |
}else{
|
| 1145 |
s->intra_quant_bias=0;
|
| 1146 |
s->inter_quant_bias=-(1<<(QUANT_BIAS_SHIFT-2)); //(a - x/4)/x |
| 1147 |
} |
| 1148 |
|
| 1149 |
if(avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS)
|
| 1150 |
s->intra_quant_bias= avctx->intra_quant_bias; |
| 1151 |
if(avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS)
|
| 1152 |
s->inter_quant_bias= avctx->inter_quant_bias; |
| 1153 |
|
| 1154 |
avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, &chroma_v_shift); |
| 1155 |
|
| 1156 |
if(avctx->codec_id == CODEC_ID_MPEG4 && s->avctx->time_base.den > (1<<16)-1){ |
| 1157 |
av_log(avctx, AV_LOG_ERROR, "timebase not supported by mpeg 4 standard\n");
|
| 1158 |
return -1; |
| 1159 |
} |
| 1160 |
s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1; |
| 1161 |
|
| 1162 |
switch(avctx->codec->id) {
|
| 1163 |
case CODEC_ID_MPEG1VIDEO:
|
| 1164 |
s->out_format = FMT_MPEG1; |
| 1165 |
s->low_delay= 0; //s->max_b_frames ? 0 : 1; |
| 1166 |
avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1); |
| 1167 |
break;
|
| 1168 |
case CODEC_ID_MPEG2VIDEO:
|
| 1169 |
s->out_format = FMT_MPEG1; |
| 1170 |
s->low_delay= 0; //s->max_b_frames ? 0 : 1; |
| 1171 |
avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1); |
| 1172 |
s->rtp_mode= 1;
|
| 1173 |
break;
|
| 1174 |
case CODEC_ID_LJPEG:
|
| 1175 |
case CODEC_ID_JPEGLS:
|
| 1176 |
case CODEC_ID_MJPEG:
|
| 1177 |
s->out_format = FMT_MJPEG; |
| 1178 |
s->intra_only = 1; /* force intra only for jpeg */ |
| 1179 |
s->mjpeg_write_tables = avctx->codec->id != CODEC_ID_JPEGLS; |
| 1180 |
s->mjpeg_data_only_frames = 0; /* write all the needed headers */ |
| 1181 |
s->mjpeg_vsample[0] = 1<<chroma_v_shift; |
| 1182 |
s->mjpeg_vsample[1] = 1; |
| 1183 |
s->mjpeg_vsample[2] = 1; |
| 1184 |
s->mjpeg_hsample[0] = 1<<chroma_h_shift; |
| 1185 |
s->mjpeg_hsample[1] = 1; |
| 1186 |
s->mjpeg_hsample[2] = 1; |
| 1187 |
if (mjpeg_init(s) < 0) |
| 1188 |
return -1; |
| 1189 |
avctx->delay=0;
|
| 1190 |
s->low_delay=1;
|
| 1191 |
break;
|
| 1192 |
case CODEC_ID_H261:
|
| 1193 |
s->out_format = FMT_H261; |
| 1194 |
avctx->delay=0;
|
| 1195 |
s->low_delay=1;
|
| 1196 |
break;
|
| 1197 |
case CODEC_ID_H263:
|
| 1198 |
if (h263_get_picture_format(s->width, s->height) == 7) { |
| 1199 |
av_log(avctx, AV_LOG_INFO, "The specified picture size of %dx%d is not valid for the H.263 codec.\nValid sizes are 128x96, 176x144, 352x288, 704x576, and 1408x1152. Try H.263+.\n", s->width, s->height);
|
| 1200 |
return -1; |
| 1201 |
} |
| 1202 |
s->out_format = FMT_H263; |
| 1203 |
s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0; |
| 1204 |
avctx->delay=0;
|
| 1205 |
s->low_delay=1;
|
| 1206 |
break;
|
| 1207 |
case CODEC_ID_H263P:
|
| 1208 |
s->out_format = FMT_H263; |
| 1209 |
s->h263_plus = 1;
|
| 1210 |
/* Fx */
|
| 1211 |
s->umvplus = (avctx->flags & CODEC_FLAG_H263P_UMV) ? 1:0; |
| 1212 |
s->h263_aic= (avctx->flags & CODEC_FLAG_H263P_AIC) ? 1:0; |
| 1213 |
s->modified_quant= s->h263_aic; |
| 1214 |
s->alt_inter_vlc= (avctx->flags & CODEC_FLAG_H263P_AIV) ? 1:0; |
| 1215 |
s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0; |
| 1216 |
s->loop_filter= (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1:0; |
| 1217 |
s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus; |
| 1218 |
s->h263_slice_structured= (s->flags & CODEC_FLAG_H263P_SLICE_STRUCT) ? 1:0; |
| 1219 |
|
| 1220 |
/* /Fx */
|
| 1221 |
/* These are just to be sure */
|
| 1222 |
avctx->delay=0;
|
| 1223 |
s->low_delay=1;
|
| 1224 |
break;
|
| 1225 |
case CODEC_ID_FLV1:
|
| 1226 |
s->out_format = FMT_H263; |
| 1227 |
s->h263_flv = 2; /* format = 1; 11-bit codes */ |
| 1228 |
s->unrestricted_mv = 1;
|
| 1229 |
s->rtp_mode=0; /* don't allow GOB */ |
| 1230 |
avctx->delay=0;
|
| 1231 |
s->low_delay=1;
|
| 1232 |
break;
|
| 1233 |
case CODEC_ID_RV10:
|
| 1234 |
s->out_format = FMT_H263; |
| 1235 |
avctx->delay=0;
|
| 1236 |
s->low_delay=1;
|
| 1237 |
break;
|
| 1238 |
case CODEC_ID_RV20:
|
| 1239 |
s->out_format = FMT_H263; |
| 1240 |
avctx->delay=0;
|
| 1241 |
s->low_delay=1;
|
| 1242 |
s->modified_quant=1;
|
| 1243 |
s->h263_aic=1;
|
| 1244 |
s->h263_plus=1;
|
| 1245 |
s->loop_filter=1;
|
| 1246 |
s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus; |
| 1247 |
break;
|
| 1248 |
case CODEC_ID_MPEG4:
|
| 1249 |
s->out_format = FMT_H263; |
| 1250 |
s->h263_pred = 1;
|
| 1251 |
s->unrestricted_mv = 1;
|
| 1252 |
s->low_delay= s->max_b_frames ? 0 : 1; |
| 1253 |
avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1); |
| 1254 |
break;
|
| 1255 |
case CODEC_ID_MSMPEG4V1:
|
| 1256 |
s->out_format = FMT_H263; |
| 1257 |
s->h263_msmpeg4 = 1;
|
| 1258 |
s->h263_pred = 1;
|
| 1259 |
s->unrestricted_mv = 1;
|
| 1260 |
s->msmpeg4_version= 1;
|
| 1261 |
avctx->delay=0;
|
| 1262 |
s->low_delay=1;
|
| 1263 |
break;
|
| 1264 |
case CODEC_ID_MSMPEG4V2:
|
| 1265 |
s->out_format = FMT_H263; |
| 1266 |
s->h263_msmpeg4 = 1;
|
| 1267 |
s->h263_pred = 1;
|
| 1268 |
s->unrestricted_mv = 1;
|
| 1269 |
s->msmpeg4_version= 2;
|
| 1270 |
avctx->delay=0;
|
| 1271 |
s->low_delay=1;
|
| 1272 |
break;
|
| 1273 |
case CODEC_ID_MSMPEG4V3:
|
| 1274 |
s->out_format = FMT_H263; |
| 1275 |
s->h263_msmpeg4 = 1;
|
| 1276 |
s->h263_pred = 1;
|
| 1277 |
s->unrestricted_mv = 1;
|
| 1278 |
s->msmpeg4_version= 3;
|
| 1279 |
s->flipflop_rounding=1;
|
| 1280 |
avctx->delay=0;
|
| 1281 |
s->low_delay=1;
|
| 1282 |
break;
|
| 1283 |
case CODEC_ID_WMV1:
|
| 1284 |
s->out_format = FMT_H263; |
| 1285 |
s->h263_msmpeg4 = 1;
|
| 1286 |
s->h263_pred = 1;
|
| 1287 |
s->unrestricted_mv = 1;
|
| 1288 |
s->msmpeg4_version= 4;
|
| 1289 |
s->flipflop_rounding=1;
|
| 1290 |
avctx->delay=0;
|
| 1291 |
s->low_delay=1;
|
| 1292 |
break;
|
| 1293 |
case CODEC_ID_WMV2:
|
| 1294 |
s->out_format = FMT_H263; |
| 1295 |
s->h263_msmpeg4 = 1;
|
| 1296 |
s->h263_pred = 1;
|
| 1297 |
s->unrestricted_mv = 1;
|
| 1298 |
s->msmpeg4_version= 5;
|
| 1299 |
s->flipflop_rounding=1;
|
| 1300 |
avctx->delay=0;
|
| 1301 |
s->low_delay=1;
|
| 1302 |
break;
|
| 1303 |
default:
|
| 1304 |
return -1; |
| 1305 |
} |
| 1306 |
|
| 1307 |
avctx->has_b_frames= !s->low_delay; |
| 1308 |
|
| 1309 |
s->encoding = 1;
|
| 1310 |
|
| 1311 |
/* init */
|
| 1312 |
if (MPV_common_init(s) < 0) |
| 1313 |
return -1; |
| 1314 |
|
| 1315 |
if(s->modified_quant)
|
| 1316 |
s->chroma_qscale_table= ff_h263_chroma_qscale_table; |
| 1317 |
s->progressive_frame= |
| 1318 |
s->progressive_sequence= !(avctx->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)); |
| 1319 |
s->quant_precision=5;
|
| 1320 |
|
| 1321 |
ff_set_cmp(&s->dsp, s->dsp.ildct_cmp, s->avctx->ildct_cmp); |
| 1322 |
ff_set_cmp(&s->dsp, s->dsp.frame_skip_cmp, s->avctx->frame_skip_cmp); |
| 1323 |
|
| 1324 |
#ifdef CONFIG_H261_ENCODER
|
| 1325 |
if (s->out_format == FMT_H261)
|
| 1326 |
ff_h261_encode_init(s); |
| 1327 |
#endif
|
| 1328 |
if (s->out_format == FMT_H263)
|
| 1329 |
h263_encode_init(s); |
| 1330 |
if(s->msmpeg4_version)
|
| 1331 |
ff_msmpeg4_encode_init(s); |
| 1332 |
if (s->out_format == FMT_MPEG1)
|
| 1333 |
ff_mpeg1_encode_init(s); |
| 1334 |
|
| 1335 |
/* init q matrix */
|
| 1336 |
for(i=0;i<64;i++) { |
| 1337 |
int j= s->dsp.idct_permutation[i];
|
| 1338 |
if(s->codec_id==CODEC_ID_MPEG4 && s->mpeg_quant){
|
| 1339 |
s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i]; |
| 1340 |
s->inter_matrix[j] = ff_mpeg4_default_non_intra_matrix[i]; |
| 1341 |
}else if(s->out_format == FMT_H263 || s->out_format == FMT_H261){ |
| 1342 |
s->intra_matrix[j] = |
| 1343 |
s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i]; |
| 1344 |
}else
|
| 1345 |
{ /* mpeg1/2 */
|
| 1346 |
s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i]; |
| 1347 |
s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i]; |
| 1348 |
} |
| 1349 |
if(s->avctx->intra_matrix)
|
| 1350 |
s->intra_matrix[j] = s->avctx->intra_matrix[i]; |
| 1351 |
if(s->avctx->inter_matrix)
|
| 1352 |
s->inter_matrix[j] = s->avctx->inter_matrix[i]; |
| 1353 |
} |
| 1354 |
|
| 1355 |
/* precompute matrix */
|
| 1356 |
/* for mjpeg, we do include qscale in the matrix */
|
| 1357 |
if (s->out_format != FMT_MJPEG) {
|
| 1358 |
convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16, |
| 1359 |
s->intra_matrix, s->intra_quant_bias, avctx->qmin, 31, 1); |
| 1360 |
convert_matrix(&s->dsp, s->q_inter_matrix, s->q_inter_matrix16, |
| 1361 |
s->inter_matrix, s->inter_quant_bias, avctx->qmin, 31, 0); |
| 1362 |
} |
| 1363 |
|
| 1364 |
if(ff_rate_control_init(s) < 0) |
| 1365 |
return -1; |
| 1366 |
|
| 1367 |
return 0; |
| 1368 |
} |
| 1369 |
|
| 1370 |
int MPV_encode_end(AVCodecContext *avctx)
|
| 1371 |
{
|
| 1372 |
MpegEncContext *s = avctx->priv_data; |
| 1373 |
|
| 1374 |
#ifdef STATS
|
| 1375 |
print_stats(); |
| 1376 |
#endif
|
| 1377 |
|
| 1378 |
ff_rate_control_uninit(s); |
| 1379 |
|
| 1380 |
MPV_common_end(s); |
| 1381 |
if (s->out_format == FMT_MJPEG)
|
| 1382 |
mjpeg_close(s); |
| 1383 |
|
| 1384 |
av_freep(&avctx->extradata); |
| 1385 |
|
| 1386 |
return 0; |
| 1387 |
} |
| 1388 |
|
| 1389 |
#endif //CONFIG_ENCODERS |
| 1390 |
|
| 1391 |
void init_rl(RLTable *rl, int use_static) |
| 1392 |
{
|
| 1393 |
int8_t max_level[MAX_RUN+1], max_run[MAX_LEVEL+1]; |
| 1394 |
uint8_t index_run[MAX_RUN+1];
|
| 1395 |
int last, run, level, start, end, i;
|
| 1396 |
|
| 1397 |
/* If table is static, we can quit if rl->max_level[0] is not NULL */
|
| 1398 |
if(use_static && rl->max_level[0]) |
| 1399 |
return;
|
| 1400 |
|
| 1401 |
/* compute max_level[], max_run[] and index_run[] */
|
| 1402 |
for(last=0;last<2;last++) { |
| 1403 |
if (last == 0) { |
| 1404 |
start = 0;
|
| 1405 |
end = rl->last; |
| 1406 |
} else {
|
| 1407 |
start = rl->last; |
| 1408 |
end = rl->n; |
| 1409 |
} |
| 1410 |
|
| 1411 |
memset(max_level, 0, MAX_RUN + 1); |
| 1412 |
memset(max_run, 0, MAX_LEVEL + 1); |
| 1413 |
memset(index_run, rl->n, MAX_RUN + 1);
|
| 1414 |
for(i=start;i<end;i++) {
|
| 1415 |
run = rl->table_run[i]; |
| 1416 |
level = rl->table_level[i]; |
| 1417 |
if (index_run[run] == rl->n)
|
| 1418 |
index_run[run] = i; |
| 1419 |
if (level > max_level[run])
|
| 1420 |
max_level[run] = level; |
| 1421 |
if (run > max_run[level])
|
| 1422 |
max_run[level] = run; |
| 1423 |
} |
| 1424 |
if(use_static)
|
| 1425 |
rl->max_level[last] = av_mallocz_static(MAX_RUN + 1);
|
| 1426 |
else
|
| 1427 |
rl->max_level[last] = av_malloc(MAX_RUN + 1);
|
| 1428 |
memcpy(rl->max_level[last], max_level, MAX_RUN + 1);
|
| 1429 |
if(use_static)
|
| 1430 |
rl->max_run[last] = av_mallocz_static(MAX_LEVEL + 1);
|
| 1431 |
else
|
| 1432 |
rl->max_run[last] = av_malloc(MAX_LEVEL + 1);
|
| 1433 |
memcpy(rl->max_run[last], max_run, MAX_LEVEL + 1);
|
| 1434 |
if(use_static)
|
| 1435 |
rl->index_run[last] = av_mallocz_static(MAX_RUN + 1);
|
| 1436 |
else
|
| 1437 |
rl->index_run[last] = av_malloc(MAX_RUN + 1);
|
| 1438 |
memcpy(rl->index_run[last], index_run, MAX_RUN + 1);
|
| 1439 |
} |
| 1440 |
} |
| 1441 |
|
| 1442 |
/* draw the edges of width 'w' of an image of size width, height */
|
| 1443 |
//FIXME check that this is ok for mpeg4 interlaced
|
| 1444 |
static void draw_edges_c(uint8_t *buf, int wrap, int width, int height, int w) |
| 1445 |
{
|
| 1446 |
uint8_t *ptr, *last_line; |
| 1447 |
int i;
|
| 1448 |
|
| 1449 |
last_line = buf + (height - 1) * wrap;
|
| 1450 |
for(i=0;i<w;i++) { |
| 1451 |
/* top and bottom */
|
| 1452 |
memcpy(buf - (i + 1) * wrap, buf, width);
|
| 1453 |
memcpy(last_line + (i + 1) * wrap, last_line, width);
|
| 1454 |
} |
| 1455 |
/* left and right */
|
| 1456 |
ptr = buf; |
| 1457 |
for(i=0;i<height;i++) { |
| 1458 |
memset(ptr - w, ptr[0], w);
|
| 1459 |
memset(ptr + width, ptr[width-1], w);
|
| 1460 |
ptr += wrap; |
| 1461 |
} |
| 1462 |
/* corners */
|
| 1463 |
for(i=0;i<w;i++) { |
| 1464 |
memset(buf - (i + 1) * wrap - w, buf[0], w); /* top left */ |
| 1465 |
memset(buf - (i + 1) * wrap + width, buf[width-1], w); /* top right */ |
| 1466 |
memset(last_line + (i + 1) * wrap - w, last_line[0], w); /* top left */ |
| 1467 |
memset(last_line + (i + 1) * wrap + width, last_line[width-1], w); /* top right */ |
| 1468 |
} |
| 1469 |
} |
| 1470 |
|
| 1471 |
int ff_find_unused_picture(MpegEncContext *s, int shared){ |
| 1472 |
int i;
|
| 1473 |
|
| 1474 |
if(shared){
|
| 1475 |
for(i=0; i<MAX_PICTURE_COUNT; i++){ |
| 1476 |
if(s->picture[i].data[0]==NULL && s->picture[i].type==0) return i; |
| 1477 |
} |
| 1478 |
}else{
|
| 1479 |
for(i=0; i<MAX_PICTURE_COUNT; i++){ |
| 1480 |
if(s->picture[i].data[0]==NULL && s->picture[i].type!=0) return i; //FIXME |
| 1481 |
} |
| 1482 |
for(i=0; i<MAX_PICTURE_COUNT; i++){ |
| 1483 |
if(s->picture[i].data[0]==NULL) return i; |
| 1484 |
} |
| 1485 |
} |
| 1486 |
|
| 1487 |
assert(0);
|
| 1488 |
return -1; |
| 1489 |
} |
| 1490 |
|
| 1491 |
static void update_noise_reduction(MpegEncContext *s){ |
| 1492 |
int intra, i;
|
| 1493 |
|
| 1494 |
for(intra=0; intra<2; intra++){ |
| 1495 |
if(s->dct_count[intra] > (1<<16)){ |
| 1496 |
for(i=0; i<64; i++){ |
| 1497 |
s->dct_error_sum[intra][i] >>=1;
|
| 1498 |
} |
| 1499 |
s->dct_count[intra] >>= 1;
|
| 1500 |
} |
| 1501 |
|
| 1502 |
for(i=0; i<64; i++){ |
| 1503 |
s->dct_offset[intra][i]= (s->avctx->noise_reduction * s->dct_count[intra] + s->dct_error_sum[intra][i]/2) / (s->dct_error_sum[intra][i]+1); |
| 1504 |
} |
| 1505 |
} |
| 1506 |
} |
| 1507 |
|
| 1508 |
/**
|
| 1509 |
* generic function for encode/decode called after coding/decoding the header and before a frame is coded/decoded
|
| 1510 |
*/
|
| 1511 |
int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
|
| 1512 |
{
|
| 1513 |
int i;
|
| 1514 |
AVFrame *pic; |
| 1515 |
s->mb_skipped = 0;
|
| 1516 |
|
| 1517 |
assert(s->last_picture_ptr==NULL || s->out_format != FMT_H264 || s->codec_id == CODEC_ID_SVQ3);
|
| 1518 |
|
| 1519 |
/* mark&release old frames */
|
| 1520 |
if (s->pict_type != B_TYPE && s->last_picture_ptr && s->last_picture_ptr != s->next_picture_ptr && s->last_picture_ptr->data[0]) { |
| 1521 |
avctx->release_buffer(avctx, (AVFrame*)s->last_picture_ptr); |
| 1522 |
|
| 1523 |
/* release forgotten pictures */
|
| 1524 |
/* if(mpeg124/h263) */
|
| 1525 |
if(!s->encoding){
|
| 1526 |
for(i=0; i<MAX_PICTURE_COUNT; i++){ |
| 1527 |
if(s->picture[i].data[0] && &s->picture[i] != s->next_picture_ptr && s->picture[i].reference){ |
| 1528 |
av_log(avctx, AV_LOG_ERROR, "releasing zombie picture\n");
|
| 1529 |
avctx->release_buffer(avctx, (AVFrame*)&s->picture[i]); |
| 1530 |
} |
| 1531 |
} |
| 1532 |
} |
| 1533 |
} |
| 1534 |
alloc:
|
| 1535 |
if(!s->encoding){
|
| 1536 |
/* release non reference frames */
|
| 1537 |
for(i=0; i<MAX_PICTURE_COUNT; i++){ |
| 1538 |
if(s->picture[i].data[0] && !s->picture[i].reference /*&& s->picture[i].type!=FF_BUFFER_TYPE_SHARED*/){ |
| 1539 |
s->avctx->release_buffer(s->avctx, (AVFrame*)&s->picture[i]); |
| 1540 |
} |
| 1541 |
} |
| 1542 |
|
| 1543 |
if(s->current_picture_ptr && s->current_picture_ptr->data[0]==NULL) |
| 1544 |
pic= (AVFrame*)s->current_picture_ptr; //we allready have a unused image (maybe it was set before reading the header)
|
| 1545 |
else{
|
| 1546 |
i= ff_find_unused_picture(s, 0);
|
| 1547 |
pic= (AVFrame*)&s->picture[i]; |
| 1548 |
} |
| 1549 |
|
| 1550 |
pic->reference= (s->pict_type != B_TYPE || s->codec_id == CODEC_ID_H264) |
| 1551 |
&& !s->dropable ? 3 : 0; |
| 1552 |
|
| 1553 |
pic->coded_picture_number= s->coded_picture_number++; |
| 1554 |
|
| 1555 |
if( alloc_picture(s, (Picture*)pic, 0) < 0) |
| 1556 |
return -1; |
| 1557 |
|
| 1558 |
s->current_picture_ptr= (Picture*)pic; |
| 1559 |
s->current_picture_ptr->top_field_first= s->top_field_first; //FIXME use only the vars from current_pic
|
| 1560 |
s->current_picture_ptr->interlaced_frame= !s->progressive_frame && !s->progressive_sequence; |
| 1561 |
} |
| 1562 |
|
| 1563 |
s->current_picture_ptr->pict_type= s->pict_type; |
| 1564 |
// if(s->flags && CODEC_FLAG_QSCALE)
|
| 1565 |
// s->current_picture_ptr->quality= s->new_picture_ptr->quality;
|
| 1566 |
s->current_picture_ptr->key_frame= s->pict_type == I_TYPE; |
| 1567 |
|
| 1568 |
copy_picture(&s->current_picture, s->current_picture_ptr); |
| 1569 |
|
| 1570 |
if(s->out_format != FMT_H264 || s->codec_id == CODEC_ID_SVQ3){
|
| 1571 |
if (s->pict_type != B_TYPE) {
|
| 1572 |
s->last_picture_ptr= s->next_picture_ptr; |
| 1573 |
if(!s->dropable)
|
| 1574 |
s->next_picture_ptr= s->current_picture_ptr; |
| 1575 |
} |
| 1576 |
/* av_log(s->avctx, AV_LOG_DEBUG, "L%p N%p C%p L%p N%p C%p type:%d drop:%d\n", s->last_picture_ptr, s->next_picture_ptr,s->current_picture_ptr,
|
| 1577 |
s->last_picture_ptr ? s->last_picture_ptr->data[0] : NULL,
|
| 1578 |
s->next_picture_ptr ? s->next_picture_ptr->data[0] : NULL,
|
| 1579 |
s->current_picture_ptr ? s->current_picture_ptr->data[0] : NULL,
|
| 1580 |
s->pict_type, s->dropable);*/
|
| 1581 |
|
| 1582 |
if(s->last_picture_ptr) copy_picture(&s->last_picture, s->last_picture_ptr);
|
| 1583 |
if(s->next_picture_ptr) copy_picture(&s->next_picture, s->next_picture_ptr);
|
| 1584 |
|
| 1585 |
if(s->pict_type != I_TYPE && (s->last_picture_ptr==NULL || s->last_picture_ptr->data[0]==NULL)){ |
| 1586 |
av_log(avctx, AV_LOG_ERROR, "warning: first frame is no keyframe\n");
|
| 1587 |
assert(s->pict_type != B_TYPE); //these should have been dropped if we don't have a reference
|
| 1588 |
goto alloc;
|
| 1589 |
} |
| 1590 |
|
| 1591 |
assert(s->pict_type == I_TYPE || (s->last_picture_ptr && s->last_picture_ptr->data[0]));
|
| 1592 |
|
| 1593 |
if(s->picture_structure!=PICT_FRAME){
|
| 1594 |
int i;
|
| 1595 |
for(i=0; i<4; i++){ |
| 1596 |
if(s->picture_structure == PICT_BOTTOM_FIELD){
|
| 1597 |
s->current_picture.data[i] += s->current_picture.linesize[i]; |
| 1598 |
} |
| 1599 |
s->current_picture.linesize[i] *= 2;
|
| 1600 |
s->last_picture.linesize[i] *=2;
|
| 1601 |
s->next_picture.linesize[i] *=2;
|
| 1602 |
} |
| 1603 |
} |
| 1604 |
} |
| 1605 |
|
| 1606 |
s->hurry_up= s->avctx->hurry_up; |
| 1607 |
s->error_resilience= avctx->error_resilience; |
| 1608 |
|
| 1609 |
/* set dequantizer, we can't do it during init as it might change for mpeg4
|
| 1610 |
and we can't do it in the header decode as init isnt called for mpeg4 there yet */
|
| 1611 |
if(s->mpeg_quant || s->codec_id == CODEC_ID_MPEG2VIDEO){
|
| 1612 |
s->dct_unquantize_intra = s->dct_unquantize_mpeg2_intra; |
| 1613 |
s->dct_unquantize_inter = s->dct_unquantize_mpeg2_inter; |
| 1614 |
}else if(s->out_format == FMT_H263 || s->out_format == FMT_H261){ |
| 1615 |
s->dct_unquantize_intra = s->dct_unquantize_h263_intra; |
| 1616 |
s->dct_unquantize_inter = s->dct_unquantize_h263_inter; |
| 1617 |
}else{
|
| 1618 |
s->dct_unquantize_intra = s->dct_unquantize_mpeg1_intra; |
| 1619 |
s->dct_unquantize_inter = s->dct_unquantize_mpeg1_inter; |
| 1620 |
} |
| 1621 |
|
| 1622 |
if(s->dct_error_sum){
|
| 1623 |
assert(s->avctx->noise_reduction && s->encoding); |
| 1624 |
|
| 1625 |
update_noise_reduction(s); |
| 1626 |
} |
| 1627 |
|
| 1628 |
#ifdef HAVE_XVMC
|
| 1629 |
if(s->avctx->xvmc_acceleration)
|
| 1630 |
return XVMC_field_start(s, avctx);
|
| 1631 |
#endif
|
| 1632 |
return 0; |
| 1633 |
} |
| 1634 |
|
| 1635 |
/* generic function for encode/decode called after a frame has been coded/decoded */
|
| 1636 |
void MPV_frame_end(MpegEncContext *s)
|
| 1637 |
{
|
| 1638 |
int i;
|
| 1639 |
/* draw edge for correct motion prediction if outside */
|
| 1640 |
#ifdef HAVE_XVMC
|
| 1641 |
//just to make sure that all data is rendered.
|
| 1642 |
if(s->avctx->xvmc_acceleration){
|
| 1643 |
XVMC_field_end(s); |
| 1644 |
}else
|
| 1645 |
#endif
|
| 1646 |
if(s->unrestricted_mv && s->current_picture.reference && !s->intra_only && !(s->flags&CODEC_FLAG_EMU_EDGE)) {
|
| 1647 |
draw_edges(s->current_picture.data[0], s->linesize , s->h_edge_pos , s->v_edge_pos , EDGE_WIDTH );
|
| 1648 |
draw_edges(s->current_picture.data[1], s->uvlinesize, s->h_edge_pos>>1, s->v_edge_pos>>1, EDGE_WIDTH/2); |
| 1649 |
draw_edges(s->current_picture.data[2], s->uvlinesize, s->h_edge_pos>>1, s->v_edge_pos>>1, EDGE_WIDTH/2); |
| 1650 |
} |
| 1651 |
emms_c(); |
| 1652 |
|
| 1653 |
s->last_pict_type = s->pict_type; |
| 1654 |
s->last_lambda_for[s->pict_type]= s->current_picture_ptr->quality; |
| 1655 |
if(s->pict_type!=B_TYPE){
|
| 1656 |
s->last_non_b_pict_type= s->pict_type; |
| 1657 |
} |
| 1658 |
#if 0
|
| 1659 |
/* copy back current_picture variables */
|
| 1660 |
for(i=0; i<MAX_PICTURE_COUNT; i++){
|
| 1661 |
if(s->picture[i].data[0] == s->current_picture.data[0]){
|
| 1662 |
s->picture[i]= s->current_picture;
|
| 1663 |
break;
|
| 1664 |
}
|
| 1665 |
}
|
| 1666 |
assert(i<MAX_PICTURE_COUNT);
|
| 1667 |
#endif
|
| 1668 |
|
| 1669 |
if(s->encoding){
|
| 1670 |
/* release non-reference frames */
|
| 1671 |
for(i=0; i<MAX_PICTURE_COUNT; i++){ |
| 1672 |
if(s->picture[i].data[0] && !s->picture[i].reference /*&& s->picture[i].type!=FF_BUFFER_TYPE_SHARED*/){ |
| 1673 |
s->avctx->release_buffer(s->avctx, (AVFrame*)&s->picture[i]); |
| 1674 |
} |
| 1675 |
} |
| 1676 |
} |
| 1677 |
// clear copies, to avoid confusion
|
| 1678 |
#if 0
|
| 1679 |
memset(&s->last_picture, 0, sizeof(Picture));
|
| 1680 |
memset(&s->next_picture, 0, sizeof(Picture));
|
| 1681 |
memset(&s->current_picture, 0, sizeof(Picture));
|
| 1682 |
#endif
|
| 1683 |
s->avctx->coded_frame= (AVFrame*)s->current_picture_ptr; |
| 1684 |
} |
| 1685 |
|
| 1686 |
/**
|
| 1687 |
* draws an line from (ex, ey) -> (sx, sy).
|
| 1688 |
* @param w width of the image
|
| 1689 |
* @param h height of the image
|
| 1690 |
* @param stride stride/linesize of the image
|
| 1691 |
* @param color color of the arrow
|
| 1692 |
*/
|
| 1693 |
static void draw_line(uint8_t *buf, int sx, int sy, int ex, int ey, int w, int h, int stride, int color){ |
| 1694 |
int t, x, y, fr, f;
|
| 1695 |
|
| 1696 |
sx= clip(sx, 0, w-1); |
| 1697 |
sy= clip(sy, 0, h-1); |
| 1698 |
ex= clip(ex, 0, w-1); |
| 1699 |
ey= clip(ey, 0, h-1); |
| 1700 |
|
| 1701 |
buf[sy*stride + sx]+= color; |
| 1702 |
|
| 1703 |
if(ABS(ex - sx) > ABS(ey - sy)){
|
| 1704 |
if(sx > ex){
|
| 1705 |
t=sx; sx=ex; ex=t; |
| 1706 |
t=sy; sy=ey; ey=t; |
| 1707 |
} |
| 1708 |
buf+= sx + sy*stride; |
| 1709 |
ex-= sx; |
| 1710 |
f= ((ey-sy)<<16)/ex;
|
| 1711 |
for(x= 0; x <= ex; x++){ |
| 1712 |
y = (x*f)>>16;
|
| 1713 |
fr= (x*f)&0xFFFF;
|
| 1714 |
buf[ y *stride + x]+= (color*(0x10000-fr))>>16; |
| 1715 |
buf[(y+1)*stride + x]+= (color* fr )>>16; |
| 1716 |
} |
| 1717 |
}else{
|
| 1718 |
if(sy > ey){
|
| 1719 |
t=sx; sx=ex; ex=t; |
| 1720 |
t=sy; sy=ey; ey=t; |
| 1721 |
} |
| 1722 |
buf+= sx + sy*stride; |
| 1723 |
ey-= sy; |
| 1724 |
if(ey) f= ((ex-sx)<<16)/ey; |
| 1725 |
else f= 0; |
| 1726 |
for(y= 0; y <= ey; y++){ |
| 1727 |
x = (y*f)>>16;
|
| 1728 |
fr= (y*f)&0xFFFF;
|
| 1729 |
buf[y*stride + x ]+= (color*(0x10000-fr))>>16;; |
| 1730 |
buf[y*stride + x+1]+= (color* fr )>>16;; |
| 1731 |
} |
| 1732 |
} |
| 1733 |
} |
| 1734 |
|
| 1735 |
/**
|
| 1736 |
* draws an arrow from (ex, ey) -> (sx, sy).
|
| 1737 |
* @param w width of the image
|
| 1738 |
* @param h height of the image
|
| 1739 |
* @param stride stride/linesize of the image
|
| 1740 |
* @param color color of the arrow
|
| 1741 |
*/
|
| 1742 |
static void draw_arrow(uint8_t *buf, int sx, int sy, int ex, int ey, int w, int h, int stride, int color){ |
| 1743 |
int dx,dy;
|
| 1744 |
|
| 1745 |
sx= clip(sx, -100, w+100); |
| 1746 |
sy= clip(sy, -100, h+100); |
| 1747 |
ex= clip(ex, -100, w+100); |
| 1748 |
ey= clip(ey, -100, h+100); |
| 1749 |
|
| 1750 |
dx= ex - sx; |
| 1751 |
dy= ey - sy; |
| 1752 |
|
| 1753 |
if(dx*dx + dy*dy > 3*3){ |
| 1754 |
int rx= dx + dy;
|
| 1755 |
int ry= -dx + dy;
|
| 1756 |
int length= ff_sqrt((rx*rx + ry*ry)<<8); |
| 1757 |
|
| 1758 |
//FIXME subpixel accuracy
|
| 1759 |
rx= ROUNDED_DIV(rx*3<<4, length); |
| 1760 |
ry= ROUNDED_DIV(ry*3<<4, length); |
| 1761 |
|
| 1762 |
draw_line(buf, sx, sy, sx + rx, sy + ry, w, h, stride, color); |
| 1763 |
draw_line(buf, sx, sy, sx - ry, sy + rx, w, h, stride, color); |
| 1764 |
} |
| 1765 |
draw_line(buf, sx, sy, ex, ey, w, h, stride, color); |
| 1766 |
} |
| 1767 |
|
| 1768 |
/**
|
| 1769 |
* prints debuging info for the given picture.
|
| 1770 |
*/
|
| 1771 |
void ff_print_debug_info(MpegEncContext *s, AVFrame *pict){
|
| 1772 |
|
| 1773 |
if(!pict || !pict->mb_type) return; |
| 1774 |
|
| 1775 |
if(s->avctx->debug&(FF_DEBUG_SKIP | FF_DEBUG_QP | FF_DEBUG_MB_TYPE)){
|
| 1776 |
int x,y;
|
| 1777 |
|
| 1778 |
av_log(s->avctx,AV_LOG_DEBUG,"New frame, type: ");
|
| 1779 |
switch (pict->pict_type) {
|
| 1780 |
case FF_I_TYPE: av_log(s->avctx,AV_LOG_DEBUG,"I\n"); break; |
| 1781 |
case FF_P_TYPE: av_log(s->avctx,AV_LOG_DEBUG,"P\n"); break; |
| 1782 |
case FF_B_TYPE: av_log(s->avctx,AV_LOG_DEBUG,"B\n"); break; |
| 1783 |
case FF_S_TYPE: av_log(s->avctx,AV_LOG_DEBUG,"S\n"); break; |
| 1784 |
case FF_SI_TYPE: av_log(s->avctx,AV_LOG_DEBUG,"SI\n"); break; |
| 1785 |
case FF_SP_TYPE: av_log(s->avctx,AV_LOG_DEBUG,"SP\n"); break; |
| 1786 |
} |
| 1787 |
for(y=0; y<s->mb_height; y++){ |
| 1788 |
for(x=0; x<s->mb_width; x++){ |
| 1789 |
if(s->avctx->debug&FF_DEBUG_SKIP){
|
| 1790 |
int count= s->mbskip_table[x + y*s->mb_stride];
|
| 1791 |
if(count>9) count=9; |
| 1792 |
av_log(s->avctx, AV_LOG_DEBUG, "%1d", count);
|
| 1793 |
} |
| 1794 |
if(s->avctx->debug&FF_DEBUG_QP){
|
| 1795 |
av_log(s->avctx, AV_LOG_DEBUG, "%2d", pict->qscale_table[x + y*s->mb_stride]);
|
| 1796 |
} |
| 1797 |
if(s->avctx->debug&FF_DEBUG_MB_TYPE){
|
| 1798 |
int mb_type= pict->mb_type[x + y*s->mb_stride];
|
| 1799 |
//Type & MV direction
|
| 1800 |
if(IS_PCM(mb_type))
|
| 1801 |
av_log(s->avctx, AV_LOG_DEBUG, "P");
|
| 1802 |
else if(IS_INTRA(mb_type) && IS_ACPRED(mb_type)) |
| 1803 |
av_log(s->avctx, AV_LOG_DEBUG, "A");
|
| 1804 |
else if(IS_INTRA4x4(mb_type)) |
| 1805 |
av_log(s->avctx, AV_LOG_DEBUG, "i");
|
| 1806 |
else if(IS_INTRA16x16(mb_type)) |
| 1807 |
av_log(s->avctx, AV_LOG_DEBUG, "I");
|
| 1808 |
else if(IS_DIRECT(mb_type) && IS_SKIP(mb_type)) |
| 1809 |
av_log(s->avctx, AV_LOG_DEBUG, "d");
|
| 1810 |
else if(IS_DIRECT(mb_type)) |
| 1811 |
av_log(s->avctx, AV_LOG_DEBUG, "D");
|
| 1812 |
else if(IS_GMC(mb_type) && IS_SKIP(mb_type)) |
| 1813 |
av_log(s->avctx, AV_LOG_DEBUG, "g");
|
| 1814 |
else if(IS_GMC(mb_type)) |
| 1815 |
av_log(s->avctx, AV_LOG_DEBUG, "G");
|
| 1816 |
else if(IS_SKIP(mb_type)) |
| 1817 |
av_log(s->avctx, AV_LOG_DEBUG, "S");
|
| 1818 |
else if(!USES_LIST(mb_type, 1)) |
| 1819 |
av_log(s->avctx, AV_LOG_DEBUG, ">");
|
| 1820 |
else if(!USES_LIST(mb_type, 0)) |
| 1821 |
av_log(s->avctx, AV_LOG_DEBUG, "<");
|
| 1822 |
else{
|
| 1823 |
assert(USES_LIST(mb_type, 0) && USES_LIST(mb_type, 1)); |
| 1824 |
av_log(s->avctx, AV_LOG_DEBUG, "X");
|
| 1825 |
} |
| 1826 |
|
| 1827 |
//segmentation
|
| 1828 |
if(IS_8X8(mb_type))
|
| 1829 |
av_log(s->avctx, AV_LOG_DEBUG, "+");
|
| 1830 |
else if(IS_16X8(mb_type)) |
| 1831 |
av_log(s->avctx, AV_LOG_DEBUG, "-");
|
| 1832 |
else if(IS_8X16(mb_type)) |
| 1833 |
av_log(s->avctx, AV_LOG_DEBUG, "|");
|
| 1834 |
else if(IS_INTRA(mb_type) || IS_16X16(mb_type)) |
| 1835 |
av_log(s->avctx, AV_LOG_DEBUG, " ");
|
| 1836 |
else
|
| 1837 |
av_log(s->avctx, AV_LOG_DEBUG, "?");
|
| 1838 |
|
| 1839 |
|
| 1840 |
if(IS_INTERLACED(mb_type) && s->codec_id == CODEC_ID_H264)
|
| 1841 |
av_log(s->avctx, AV_LOG_DEBUG, "=");
|
| 1842 |
else
|
| 1843 |
av_log(s->avctx, AV_LOG_DEBUG, " ");
|
| 1844 |
} |
| 1845 |
// av_log(s->avctx, AV_LOG_DEBUG, " ");
|
| 1846 |
} |
| 1847 |
av_log(s->avctx, AV_LOG_DEBUG, "\n");
|
| 1848 |
} |
| 1849 |
} |
| 1850 |
|
| 1851 |
if((s->avctx->debug&(FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) || (s->avctx->debug_mv)){
|
| 1852 |
const int shift= 1 + s->quarter_sample; |
| 1853 |
int mb_y;
|
| 1854 |
uint8_t *ptr; |
| 1855 |
int i;
|
| 1856 |
int h_chroma_shift, v_chroma_shift;
|
| 1857 |
const int width = s->avctx->width; |
| 1858 |
const int height= s->avctx->height; |
| 1859 |
const int mv_sample_log2= 4 - pict->motion_subsample_log2; |
| 1860 |
const int mv_stride= (s->mb_width << mv_sample_log2) + (s->codec_id == CODEC_ID_H264 ? 0 : 1); |
| 1861 |
s->low_delay=0; //needed to see the vectors without trashing the buffers |
| 1862 |
|
| 1863 |
avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift); |
| 1864 |
for(i=0; i<3; i++){ |
| 1865 |
memcpy(s->visualization_buffer[i], pict->data[i], (i==0) ? pict->linesize[i]*height:pict->linesize[i]*height >> v_chroma_shift);
|
| 1866 |
pict->data[i]= s->visualization_buffer[i]; |
| 1867 |
} |
| 1868 |
pict->type= FF_BUFFER_TYPE_COPY; |
| 1869 |
ptr= pict->data[0];
|
| 1870 |
|
| 1871 |
for(mb_y=0; mb_y<s->mb_height; mb_y++){ |
| 1872 |
int mb_x;
|
| 1873 |
for(mb_x=0; mb_x<s->mb_width; mb_x++){ |
| 1874 |
const int mb_index= mb_x + mb_y*s->mb_stride; |
| 1875 |
if((s->avctx->debug_mv) && pict->motion_val){
|
| 1876 |
int type;
|
| 1877 |
for(type=0; type<3; type++){ |
| 1878 |
int direction = 0; |
| 1879 |
switch (type) {
|
| 1880 |
case 0: if ((!(s->avctx->debug_mv&FF_DEBUG_VIS_MV_P_FOR)) || (pict->pict_type!=FF_P_TYPE)) |
| 1881 |
continue;
|
| 1882 |
direction = 0;
|
| 1883 |
break;
|
| 1884 |
case 1: if ((!(s->avctx->debug_mv&FF_DEBUG_VIS_MV_B_FOR)) || (pict->pict_type!=FF_B_TYPE)) |
| 1885 |
continue;
|
| 1886 |
direction = 0;
|
| 1887 |
break;
|
| 1888 |
case 2: if ((!(s->avctx->debug_mv&FF_DEBUG_VIS_MV_B_BACK)) || (pict->pict_type!=FF_B_TYPE)) |
| 1889 |
continue;
|
| 1890 |
direction = 1;
|
| 1891 |
break;
|
| 1892 |
} |
| 1893 |
if(!USES_LIST(pict->mb_type[mb_index], direction))
|
| 1894 |
continue;
|
| 1895 |
|
| 1896 |
if(IS_8X8(pict->mb_type[mb_index])){
|
| 1897 |
int i;
|
| 1898 |
for(i=0; i<4; i++){ |
| 1899 |
int sx= mb_x*16 + 4 + 8*(i&1); |
| 1900 |
int sy= mb_y*16 + 4 + 8*(i>>1); |
| 1901 |
int xy= (mb_x*2 + (i&1) + (mb_y*2 + (i>>1))*mv_stride) << (mv_sample_log2-1); |
| 1902 |
int mx= (pict->motion_val[direction][xy][0]>>shift) + sx; |
| 1903 |
int my= (pict->motion_val[direction][xy][1]>>shift) + sy; |
| 1904 |
draw_arrow(ptr, sx, sy, mx, my, width, height, s->linesize, 100);
|
| 1905 |
} |
| 1906 |
}else if(IS_16X8(pict->mb_type[mb_index])){ |
| 1907 |
int i;
|
| 1908 |
for(i=0; i<2; i++){ |
| 1909 |
int sx=mb_x*16 + 8; |
| 1910 |
int sy=mb_y*16 + 4 + 8*i; |
| 1911 |
int xy= (mb_x*2 + (mb_y*2 + i)*mv_stride) << (mv_sample_log2-1); |
| 1912 |
int mx=(pict->motion_val[direction][xy][0]>>shift); |
| 1913 |
int my=(pict->motion_val[direction][xy][1]>>shift); |
| 1914 |
|
| 1915 |
if(IS_INTERLACED(pict->mb_type[mb_index]))
|
| 1916 |
my*=2;
|
| 1917 |
|
| 1918 |
draw_arrow(ptr, sx, sy, mx+sx, my+sy, width, height, s->linesize, 100);
|
| 1919 |
} |
| 1920 |
}else if(IS_8X16(pict->mb_type[mb_index])){ |
| 1921 |
int i;
|
| 1922 |
for(i=0; i<2; i++){ |
| 1923 |
int sx=mb_x*16 + 4 + 8*i; |
| 1924 |
int sy=mb_y*16 + 8; |
| 1925 |
int xy= (mb_x*2 + i + mb_y*2*mv_stride) << (mv_sample_log2-1); |
| 1926 |
int mx=(pict->motion_val[direction][xy][0]>>shift); |
| 1927 |
int my=(pict->motion_val[direction][xy][1]>>shift); |
| 1928 |
|
| 1929 |
if(IS_INTERLACED(pict->mb_type[mb_index]))
|
| 1930 |
my*=2;
|
| 1931 |
|
| 1932 |
draw_arrow(ptr, sx, sy, mx+sx, my+sy, width, height, s->linesize, 100);
|
| 1933 |
} |
| 1934 |
}else{
|
| 1935 |
int sx= mb_x*16 + 8; |
| 1936 |
int sy= mb_y*16 + 8; |
| 1937 |
int xy= (mb_x + mb_y*mv_stride) << mv_sample_log2;
|
| 1938 |
int mx= (pict->motion_val[direction][xy][0]>>shift) + sx; |
| 1939 |
int my= (pict->motion_val[direction][xy][1]>>shift) + sy; |
| 1940 |
draw_arrow(ptr, sx, sy, mx, my, width, height, s->linesize, 100);
|
| 1941 |
} |
| 1942 |
} |
| 1943 |
} |
| 1944 |
if((s->avctx->debug&FF_DEBUG_VIS_QP) && pict->motion_val){
|
| 1945 |
uint64_t c= (pict->qscale_table[mb_index]*128/31) * 0x0101010101010101ULL; |
| 1946 |
int y;
|
| 1947 |
for(y=0; y<8; y++){ |
| 1948 |
*(uint64_t*)(pict->data[1] + 8*mb_x + (8*mb_y + y)*pict->linesize[1])= c; |
| 1949 |
*(uint64_t*)(pict->data[2] + 8*mb_x + (8*mb_y + y)*pict->linesize[2])= c; |
| 1950 |
} |
| 1951 |
} |
| 1952 |
if((s->avctx->debug&FF_DEBUG_VIS_MB_TYPE) && pict->motion_val){
|
| 1953 |
int mb_type= pict->mb_type[mb_index];
|
| 1954 |
uint64_t u,v; |
| 1955 |
int y;
|
| 1956 |
#define COLOR(theta, r)\
|
| 1957 |
u= (int)(128 + r*cos(theta*3.141592/180));\ |
| 1958 |
v= (int)(128 + r*sin(theta*3.141592/180)); |
| 1959 |
|
| 1960 |
|
| 1961 |
u=v=128;
|
| 1962 |
if(IS_PCM(mb_type)){
|
| 1963 |
COLOR(120,48) |
| 1964 |
}else if((IS_INTRA(mb_type) && IS_ACPRED(mb_type)) || IS_INTRA16x16(mb_type)){ |
| 1965 |
COLOR(30,48) |
| 1966 |
}else if(IS_INTRA4x4(mb_type)){ |
| 1967 |
COLOR(90,48) |
| 1968 |
}else if(IS_DIRECT(mb_type) && IS_SKIP(mb_type)){ |
| 1969 |
// COLOR(120,48)
|
| 1970 |
}else if(IS_DIRECT(mb_type)){ |
| 1971 |
COLOR(150,48) |
| 1972 |
}else if(IS_GMC(mb_type) && IS_SKIP(mb_type)){ |
| 1973 |
COLOR(170,48) |
| 1974 |
}else if(IS_GMC(mb_type)){ |
| 1975 |
COLOR(190,48) |
| 1976 |
}else if(IS_SKIP(mb_type)){ |
| 1977 |
// COLOR(180,48)
|
| 1978 |
}else if(!USES_LIST(mb_type, 1)){ |
| 1979 |
COLOR(240,48) |
| 1980 |
}else if(!USES_LIST(mb_type, 0)){ |
| 1981 |
COLOR(0,48) |
| 1982 |
}else{
|
| 1983 |
assert(USES_LIST(mb_type, 0) && USES_LIST(mb_type, 1)); |
| 1984 |
COLOR(300,48) |
| 1985 |
} |
| 1986 |
|
| 1987 |
u*= 0x0101010101010101ULL;
|
| 1988 |
v*= 0x0101010101010101ULL;
|
| 1989 |
for(y=0; y<8; y++){ |
| 1990 |
*(uint64_t*)(pict->data[1] + 8*mb_x + (8*mb_y + y)*pict->linesize[1])= u; |
| 1991 |
*(uint64_t*)(pict->data[2] + 8*mb_x + (8*mb_y + y)*pict->linesize[2])= v; |
| 1992 |
} |
| 1993 |
|
| 1994 |
//segmentation
|
| 1995 |
if(IS_8X8(mb_type) || IS_16X8(mb_type)){
|
| 1996 |
*(uint64_t*)(pict->data[0] + 16*mb_x + 0 + (16*mb_y + 8)*pict->linesize[0])^= 0x8080808080808080ULL; |
| 1997 |
*(uint64_t*)(pict->data[0] + 16*mb_x + 8 + (16*mb_y + 8)*pict->linesize[0])^= 0x8080808080808080ULL; |
| 1998 |
} |
| 1999 |
if(IS_8X8(mb_type) || IS_8X16(mb_type)){
|
| 2000 |
for(y=0; y<16; y++) |
| 2001 |
pict->data[0][16*mb_x + 8 + (16*mb_y + y)*pict->linesize[0]]^= 0x80; |
| 2002 |
} |
| 2003 |
if(IS_8X8(mb_type) && mv_sample_log2 >= 2){ |
| 2004 |
int dm= 1 << (mv_sample_log2-2); |
| 2005 |
for(i=0; i<4; i++){ |
| 2006 |
int sx= mb_x*16 + 8*(i&1); |
| 2007 |
int sy= mb_y*16 + 8*(i>>1); |
| 2008 |
int xy= (mb_x*2 + (i&1) + (mb_y*2 + (i>>1))*mv_stride) << (mv_sample_log2-1); |
| 2009 |
//FIXME bidir
|
| 2010 |
int32_t *mv = (int32_t*)&pict->motion_val[0][xy];
|
| 2011 |
if(mv[0] != mv[dm] || mv[dm*mv_stride] != mv[dm*(mv_stride+1)]) |
| 2012 |
for(y=0; y<8; y++) |
| 2013 |
pict->data[0][sx + 4 + (sy + y)*pict->linesize[0]]^= 0x80; |
| 2014 |
if(mv[0] != mv[dm*mv_stride] || mv[dm] != mv[dm*(mv_stride+1)]) |
| 2015 |
*(uint64_t*)(pict->data[0] + sx + (sy + 4)*pict->linesize[0])^= 0x8080808080808080ULL; |
| 2016 |
} |
| 2017 |
} |
| 2018 |
|
| 2019 |
if(IS_INTERLACED(mb_type) && s->codec_id == CODEC_ID_H264){
|
| 2020 |
// hmm
|
| 2021 |
} |
| 2022 |
} |
| 2023 |
s->mbskip_table[mb_index]=0;
|
| 2024 |
} |
| 2025 |
} |
| 2026 |
} |
| 2027 |
} |
| 2028 |
|
| 2029 |
#ifdef CONFIG_ENCODERS
|
| 2030 |
|
| 2031 |
static int get_sae(uint8_t *src, int ref, int stride){ |
| 2032 |
int x,y;
|
| 2033 |
int acc=0; |
| 2034 |
|
| 2035 |
for(y=0; y<16; y++){ |
| 2036 |
for(x=0; x<16; x++){ |
| 2037 |
acc+= ABS(src[x+y*stride] - ref); |
| 2038 |
} |
| 2039 |
} |
| 2040 |
|
| 2041 |
return acc;
|
| 2042 |
} |
| 2043 |
|
| 2044 |
static int get_intra_count(MpegEncContext *s, uint8_t *src, uint8_t *ref, int stride){ |
| 2045 |
int x, y, w, h;
|
| 2046 |
int acc=0; |
| 2047 |
|
| 2048 |
w= s->width &~15;
|
| 2049 |
h= s->height&~15;
|
| 2050 |
|
| 2051 |
for(y=0; y<h; y+=16){ |
| 2052 |
for(x=0; x<w; x+=16){ |
| 2053 |
int offset= x + y*stride;
|
| 2054 |
int sad = s->dsp.sad[0](NULL, src + offset, ref + offset, stride, 16); |
| 2055 |
int mean= (s->dsp.pix_sum(src + offset, stride) + 128)>>8; |
| 2056 |
int sae = get_sae(src + offset, mean, stride);
|
| 2057 |
|
| 2058 |
acc+= sae + 500 < sad;
|
| 2059 |
} |
| 2060 |
} |
| 2061 |
return acc;
|
| 2062 |
} |
| 2063 |
|
| 2064 |
|
| 2065 |
static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg){ |
| 2066 |
AVFrame *pic=NULL;
|
| 2067 |
int64_t pts; |
| 2068 |
int i;
|
| 2069 |
const int encoding_delay= s->max_b_frames; |
| 2070 |
int direct=1; |
| 2071 |
|
| 2072 |
if(pic_arg){
|
| 2073 |
pts= pic_arg->pts; |
| 2074 |
pic_arg->display_picture_number= s->input_picture_number++; |
| 2075 |
|
| 2076 |
if(pts != AV_NOPTS_VALUE){
|
| 2077 |
if(s->user_specified_pts != AV_NOPTS_VALUE){
|
| 2078 |
int64_t time= pts; |
| 2079 |
int64_t last= s->user_specified_pts; |
| 2080 |
|
| 2081 |
if(time <= last){
|
| 2082 |
av_log(s->avctx, AV_LOG_ERROR, "Error, Invalid timestamp=%"PRId64", last=%"PRId64"\n", pts, s->user_specified_pts); |
| 2083 |
return -1; |
| 2084 |
} |
| 2085 |
} |
| 2086 |
s->user_specified_pts= pts; |
| 2087 |
}else{
|
| 2088 |
if(s->user_specified_pts != AV_NOPTS_VALUE){
|
| 2089 |
s->user_specified_pts= |
| 2090 |
pts= s->user_specified_pts + 1;
|
| 2091 |
av_log(s->avctx, AV_LOG_INFO, "Warning: AVFrame.pts=? trying to guess (%"PRId64")\n", pts); |
| 2092 |
}else{
|
| 2093 |
pts= pic_arg->display_picture_number; |
| 2094 |
} |
| 2095 |
} |
| 2096 |
} |
| 2097 |
|
| 2098 |
if(pic_arg){
|
| 2099 |
if(encoding_delay && !(s->flags&CODEC_FLAG_INPUT_PRESERVED)) direct=0; |
| 2100 |
if(pic_arg->linesize[0] != s->linesize) direct=0; |
| 2101 |
if(pic_arg->linesize[1] != s->uvlinesize) direct=0; |
| 2102 |
if(pic_arg->linesize[2] != s->uvlinesize) direct=0; |
| 2103 |
|
| 2104 |
// av_log(AV_LOG_DEBUG, "%d %d %d %d\n",pic_arg->linesize[0], pic_arg->linesize[1], s->linesize, s->uvlinesize);
|
| 2105 |
|
| 2106 |
if(direct){
|
| 2107 |
i= ff_find_unused_picture(s, 1);
|
| 2108 |
|
| 2109 |
pic= (AVFrame*)&s->picture[i]; |
| 2110 |
pic->reference= 3;
|
| 2111 |
|
| 2112 |
for(i=0; i<4; i++){ |
| 2113 |
pic->data[i]= pic_arg->data[i]; |
| 2114 |
pic->linesize[i]= pic_arg->linesize[i]; |
| 2115 |
} |
| 2116 |
alloc_picture(s, (Picture*)pic, 1);
|
| 2117 |
}else{
|
| 2118 |
i= ff_find_unused_picture(s, 0);
|
| 2119 |
|
| 2120 |
pic= (AVFrame*)&s->picture[i]; |
| 2121 |
pic->reference= 3;
|
| 2122 |
|
| 2123 |
alloc_picture(s, (Picture*)pic, 0);
|
| 2124 |
|
| 2125 |
if( pic->data[0] + INPLACE_OFFSET == pic_arg->data[0] |
| 2126 |
&& pic->data[1] + INPLACE_OFFSET == pic_arg->data[1] |
| 2127 |
&& pic->data[2] + INPLACE_OFFSET == pic_arg->data[2]){ |
| 2128 |
// empty
|
| 2129 |
}else{
|
| 2130 |
int h_chroma_shift, v_chroma_shift;
|
| 2131 |
avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift); |
| 2132 |
|
| 2133 |
for(i=0; i<3; i++){ |
| 2134 |
int src_stride= pic_arg->linesize[i];
|
| 2135 |
int dst_stride= i ? s->uvlinesize : s->linesize;
|
| 2136 |
int h_shift= i ? h_chroma_shift : 0; |
| 2137 |
int v_shift= i ? v_chroma_shift : 0; |
| 2138 |
int w= s->width >>h_shift;
|
| 2139 |
int h= s->height>>v_shift;
|
| 2140 |
uint8_t *src= pic_arg->data[i]; |
| 2141 |
uint8_t *dst= pic->data[i] + INPLACE_OFFSET; |
| 2142 |
|
| 2143 |
if(src_stride==dst_stride)
|
| 2144 |
memcpy(dst, src, src_stride*h); |
| 2145 |
else{
|
| 2146 |
while(h--){
|
| 2147 |
memcpy(dst, src, w); |
| 2148 |
dst += dst_stride; |
| 2149 |
src += src_stride; |
| 2150 |
} |
| 2151 |
} |
| 2152 |
} |
| 2153 |
} |
| 2154 |
} |
| 2155 |
copy_picture_attributes(s, pic, pic_arg); |
| 2156 |
pic->pts= pts; //we set this here to avoid modifiying pic_arg
|
| 2157 |
} |
| 2158 |
|
| 2159 |
/* shift buffer entries */
|
| 2160 |
for(i=1; i<MAX_PICTURE_COUNT /*s->encoding_delay+1*/; i++) |
| 2161 |
s->input_picture[i-1]= s->input_picture[i];
|
| 2162 |
|
| 2163 |
s->input_picture[encoding_delay]= (Picture*)pic; |
| 2164 |
|
| 2165 |
return 0; |
| 2166 |
} |
| 2167 |
|
| 2168 |
static int skip_check(MpegEncContext *s, Picture *p, Picture *ref){ |
| 2169 |
int x, y, plane;
|
| 2170 |
int score=0; |
| 2171 |
int64_t score64=0;
|
| 2172 |
|
| 2173 |
for(plane=0; plane<3; plane++){ |
| 2174 |
const int stride= p->linesize[plane]; |
| 2175 |
const int bw= plane ? 1 : 2; |
| 2176 |
for(y=0; y<s->mb_height*bw; y++){ |
| 2177 |
for(x=0; x<s->mb_width*bw; x++){ |
| 2178 |
int off= p->type == FF_BUFFER_TYPE_SHARED ? 0: 16; |
| 2179 |
int v= s->dsp.frame_skip_cmp[1](s, p->data[plane] + 8*(x + y*stride)+off, ref->data[plane] + 8*(x + y*stride), stride, 8); |
| 2180 |
|
| 2181 |
switch(s->avctx->frame_skip_exp){
|
| 2182 |
case 0: score= FFMAX(score, v); break; |
| 2183 |
case 1: score+= ABS(v);break; |
| 2184 |
case 2: score+= v*v;break; |
| 2185 |
case 3: score64+= ABS(v*v*(int64_t)v);break; |
| 2186 |
case 4: score64+= v*v*(int64_t)(v*v);break; |
| 2187 |
} |
| 2188 |
} |
| 2189 |
} |
| 2190 |
} |
| 2191 |
|
| 2192 |
if(score) score64= score;
|
| 2193 |
|
| 2194 |
if(score64 < s->avctx->frame_skip_threshold)
|
| 2195 |
return 1; |
| 2196 |
if(score64 < ((s->avctx->frame_skip_factor * (int64_t)s->lambda)>>8)) |
| 2197 |
return 1; |
| 2198 |
return 0; |
| 2199 |
} |
| 2200 |
|
| 2201 |
static int estimate_best_b_count(MpegEncContext *s){ |
| 2202 |
AVCodec *codec= avcodec_find_encoder(s->avctx->codec_id); |
| 2203 |
AVCodecContext *c= avcodec_alloc_context(); |
| 2204 |
AVFrame input[FF_MAX_B_FRAMES+2];
|
| 2205 |
const int scale= s->avctx->brd_scale; |
| 2206 |
int i, j, out_size, p_lambda, b_lambda, lambda2;
|
| 2207 |
int outbuf_size= s->width * s->height; //FIXME |
| 2208 |
uint8_t *outbuf= av_malloc(outbuf_size); |
| 2209 |
int64_t best_rd= INT64_MAX; |
| 2210 |
int best_b_count= -1; |
| 2211 |
|
| 2212 |
assert(scale>=0 && scale <=3); |
| 2213 |
|
| 2214 |
// emms_c();
|
| 2215 |
p_lambda= s->last_lambda_for[P_TYPE]; //s->next_picture_ptr->quality;
|
| 2216 |
b_lambda= s->last_lambda_for[B_TYPE]; //p_lambda *ABS(s->avctx->b_quant_factor) + s->avctx->b_quant_offset;
|
| 2217 |
if(!b_lambda) b_lambda= p_lambda; //FIXME we should do this somewhere else |
| 2218 |
lambda2= (b_lambda*b_lambda + (1<<FF_LAMBDA_SHIFT)/2 ) >> FF_LAMBDA_SHIFT; |
| 2219 |
|
| 2220 |
c->width = s->width >> scale; |
| 2221 |
c->height= s->height>> scale; |
| 2222 |
c->flags= CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR | CODEC_FLAG_INPUT_PRESERVED /*| CODEC_FLAG_EMU_EDGE*/;
|
| 2223 |
c->flags|= s->avctx->flags & CODEC_FLAG_QPEL; |
| 2224 |
c->mb_decision= s->avctx->mb_decision; |
| 2225 |
c->me_cmp= s->avctx->me_cmp; |
| 2226 |
c->mb_cmp= s->avctx->mb_cmp; |
| 2227 |
c->me_sub_cmp= s->avctx->me_sub_cmp; |
| 2228 |
c->pix_fmt = PIX_FMT_YUV420P; |
| 2229 |
c->time_base= s->avctx->time_base; |
| 2230 |
c->max_b_frames= s->max_b_frames; |
| 2231 |
|
| 2232 |
if (avcodec_open(c, codec) < 0) |
| 2233 |
return -1; |
| 2234 |
|
| 2235 |
for(i=0; i<s->max_b_frames+2; i++){ |
| 2236 |
int ysize= c->width*c->height;
|
| 2237 |
int csize= (c->width/2)*(c->height/2); |
| 2238 |
Picture pre_input, *pre_input_ptr= i ? s->input_picture[i-1] : s->next_picture_ptr;
|
| 2239 |
|
| 2240 |
if(pre_input_ptr)
|
| 2241 |
pre_input= *pre_input_ptr; |
| 2242 |
|
| 2243 |
if(pre_input.type != FF_BUFFER_TYPE_SHARED && i){
|
| 2244 |
pre_input.data[0]+=INPLACE_OFFSET;
|
| 2245 |
pre_input.data[1]+=INPLACE_OFFSET;
|
| 2246 |
pre_input.data[2]+=INPLACE_OFFSET;
|
| 2247 |
} |
| 2248 |
|
| 2249 |
avcodec_get_frame_defaults(&input[i]); |
| 2250 |
input[i].data[0]= av_malloc(ysize + 2*csize); |
| 2251 |
input[i].data[1]= input[i].data[0] + ysize; |
| 2252 |
input[i].data[2]= input[i].data[1] + csize; |
| 2253 |
input[i].linesize[0]= c->width;
|
| 2254 |
input[i].linesize[1]=
|
| 2255 |
input[i].linesize[2]= c->width/2; |
| 2256 |
|
| 2257 |
if(!i || s->input_picture[i-1]){ |
| 2258 |
s->dsp.shrink[scale](input[i].data[0], input[i].linesize[0], pre_input.data[0], pre_input.linesize[0], c->width, c->height); |
| 2259 |
s->dsp.shrink[scale](input[i].data[1], input[i].linesize[1], pre_input.data[1], pre_input.linesize[1], c->width>>1, c->height>>1); |
| 2260 |
s->dsp.shrink[scale](input[i].data[2], input[i].linesize[2], pre_input.data[2], pre_input.linesize[2], c->width>>1, c->height>>1); |
| 2261 |
} |
| 2262 |
} |
| 2263 |
|
| 2264 |
for(j=0; j<s->max_b_frames+1; j++){ |
| 2265 |
int64_t rd=0;
|
| 2266 |
|
| 2267 |
if(!s->input_picture[j])
|
| 2268 |
break;
|
| 2269 |
|
| 2270 |
c->error[0]= c->error[1]= c->error[2]= 0; |
| 2271 |
|
| 2272 |
input[0].pict_type= I_TYPE;
|
| 2273 |
input[0].quality= 1 * FF_QP2LAMBDA; |
| 2274 |
out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[0]);
|
| 2275 |
// rd += (out_size * lambda2) >> FF_LAMBDA_SHIFT;
|
| 2276 |
|
| 2277 |
for(i=0; i<s->max_b_frames+1; i++){ |
| 2278 |
int is_p= i % (j+1) == j || i==s->max_b_frames; |
| 2279 |
|
| 2280 |
input[i+1].pict_type= is_p ? P_TYPE : B_TYPE;
|
| 2281 |
input[i+1].quality= is_p ? p_lambda : b_lambda;
|
| 2282 |
out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[i+1]);
|
| 2283 |
rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
|
| 2284 |
} |
| 2285 |
|
| 2286 |
/* get the delayed frames */
|
| 2287 |
while(out_size){
|
| 2288 |
out_size = avcodec_encode_video(c, outbuf, outbuf_size, NULL);
|
| 2289 |
rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
|
| 2290 |
} |
| 2291 |
|
| 2292 |
rd += c->error[0] + c->error[1] + c->error[2]; |
| 2293 |
|
| 2294 |
if(rd < best_rd){
|
| 2295 |
best_rd= rd; |
| 2296 |
best_b_count= j; |
| 2297 |
} |
| 2298 |
} |
| 2299 |
|
| 2300 |
av_freep(&outbuf); |
| 2301 |
avcodec_close(c); |
| 2302 |
av_freep(&c); |
| 2303 |
|
| 2304 |
for(i=0; i<s->max_b_frames+2; i++){ |
| 2305 |
av_freep(&input[i].data[0]);
|
| 2306 |
} |
| 2307 |
|
| 2308 |
return best_b_count;
|
| 2309 |
} |
| 2310 |
|
| 2311 |
static void select_input_picture(MpegEncContext *s){ |
| 2312 |
int i;
|
| 2313 |
|
| 2314 |
for(i=1; i<MAX_PICTURE_COUNT; i++) |
| 2315 |
s->reordered_input_picture[i-1]= s->reordered_input_picture[i];
|
| 2316 |
s->reordered_input_picture[MAX_PICTURE_COUNT-1]= NULL; |
| 2317 |
|
| 2318 |
/* set next picture type & ordering */
|
| 2319 |
if(s->reordered_input_picture[0]==NULL && s->input_picture[0]){ |
| 2320 |
if(/*s->picture_in_gop_number >= s->gop_size ||*/ s->next_picture_ptr==NULL || s->intra_only){ |
| 2321 |
s->reordered_input_picture[0]= s->input_picture[0]; |
| 2322 |
s->reordered_input_picture[0]->pict_type= I_TYPE;
|
| 2323 |
s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
|
| 2324 |
}else{
|
| 2325 |
int b_frames;
|
| 2326 |
|
| 2327 |
if(s->avctx->frame_skip_threshold || s->avctx->frame_skip_factor){
|
| 2328 |
if(s->picture_in_gop_number < s->gop_size && skip_check(s, s->input_picture[0], s->next_picture_ptr)){ |
| 2329 |
//FIXME check that te gop check above is +-1 correct
|
| 2330 |
//av_log(NULL, AV_LOG_DEBUG, "skip %p %Ld\n", s->input_picture[0]->data[0], s->input_picture[0]->pts);
|
| 2331 |
|
| 2332 |
if(s->input_picture[0]->type == FF_BUFFER_TYPE_SHARED){ |
| 2333 |
for(i=0; i<4; i++) |
| 2334 |
s->input_picture[0]->data[i]= NULL; |
| 2335 |
s->input_picture[0]->type= 0; |
| 2336 |
}else{
|
| 2337 |
assert( s->input_picture[0]->type==FF_BUFFER_TYPE_USER
|
| 2338 |
|| s->input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
|
| 2339 |
|
| 2340 |
s->avctx->release_buffer(s->avctx, (AVFrame*)s->input_picture[0]);
|
| 2341 |
} |
| 2342 |
|
| 2343 |
emms_c(); |
| 2344 |
ff_vbv_update(s, 0);
|
| 2345 |
|
| 2346 |
goto no_output_pic;
|
| 2347 |
} |
| 2348 |
} |
| 2349 |
|
| 2350 |
if(s->flags&CODEC_FLAG_PASS2){
|
| 2351 |
for(i=0; i<s->max_b_frames+1; i++){ |
| 2352 |
int pict_num= s->input_picture[0]->display_picture_number + i; |
| 2353 |
|
| 2354 |
if(pict_num >= s->rc_context.num_entries)
|
| 2355 |
break;
|
| 2356 |
if(!s->input_picture[i]){
|
| 2357 |
s->rc_context.entry[pict_num-1].new_pict_type = P_TYPE;
|
| 2358 |
break;
|
| 2359 |
} |
| 2360 |
|
| 2361 |
s->input_picture[i]->pict_type= |
| 2362 |
s->rc_context.entry[pict_num].new_pict_type; |
| 2363 |
} |
| 2364 |
} |
| 2365 |
|
| 2366 |
if(s->avctx->b_frame_strategy==0){ |
| 2367 |
b_frames= s->max_b_frames; |
| 2368 |
while(b_frames && !s->input_picture[b_frames]) b_frames--;
|
| 2369 |
}else if(s->avctx->b_frame_strategy==1){ |
| 2370 |
for(i=1; i<s->max_b_frames+1; i++){ |
| 2371 |
if(s->input_picture[i] && s->input_picture[i]->b_frame_score==0){ |
| 2372 |
s->input_picture[i]->b_frame_score= |
| 2373 |
get_intra_count(s, s->input_picture[i ]->data[0],
|
| 2374 |
s->input_picture[i-1]->data[0], s->linesize) + 1; |
| 2375 |
} |
| 2376 |
} |
| 2377 |
for(i=0; i<s->max_b_frames+1; i++){ |
| 2378 |
if(s->input_picture[i]==NULL || s->input_picture[i]->b_frame_score - 1 > s->mb_num/40) break; |
| 2379 |
} |
| 2380 |
|
| 2381 |
b_frames= FFMAX(0, i-1); |
| 2382 |
|
| 2383 |
/* reset scores */
|
| 2384 |
for(i=0; i<b_frames+1; i++){ |
| 2385 |
s->input_picture[i]->b_frame_score=0;
|
| 2386 |
} |
| 2387 |
}else if(s->avctx->b_frame_strategy==2){ |
| 2388 |
b_frames= estimate_best_b_count(s); |
| 2389 |
}else{
|
| 2390 |
av_log(s->avctx, AV_LOG_ERROR, "illegal b frame strategy\n");
|
| 2391 |
b_frames=0;
|
| 2392 |
} |
| 2393 |
|
| 2394 |
emms_c(); |
| 2395 |
//static int b_count=0;
|
| 2396 |
//b_count+= b_frames;
|
| 2397 |
//av_log(s->avctx, AV_LOG_DEBUG, "b_frames: %d\n", b_count);
|
| 2398 |
|
| 2399 |
for(i= b_frames - 1; i>=0; i--){ |
| 2400 |
int type= s->input_picture[i]->pict_type;
|
| 2401 |
if(type && type != B_TYPE)
|
| 2402 |
b_frames= i; |
| 2403 |
} |
| 2404 |
if(s->input_picture[b_frames]->pict_type == B_TYPE && b_frames == s->max_b_frames){
|
| 2405 |
av_log(s->avctx, AV_LOG_ERROR, "warning, too many b frames in a row\n");
|
| 2406 |
} |
| 2407 |
|
| 2408 |
if(s->picture_in_gop_number + b_frames >= s->gop_size){
|
| 2409 |
if((s->flags2 & CODEC_FLAG2_STRICT_GOP) && s->gop_size > s->picture_in_gop_number){
|
| 2410 |
b_frames= s->gop_size - s->picture_in_gop_number - 1;
|
| 2411 |
}else{
|
| 2412 |
if(s->flags & CODEC_FLAG_CLOSED_GOP)
|
| 2413 |
b_frames=0;
|
| 2414 |
s->input_picture[b_frames]->pict_type= I_TYPE; |
| 2415 |
} |
| 2416 |
} |
| 2417 |
|
| 2418 |
if( (s->flags & CODEC_FLAG_CLOSED_GOP)
|
| 2419 |
&& b_frames |
| 2420 |
&& s->input_picture[b_frames]->pict_type== I_TYPE) |
| 2421 |
b_frames--; |
| 2422 |
|
| 2423 |
s->reordered_input_picture[0]= s->input_picture[b_frames];
|
| 2424 |
if(s->reordered_input_picture[0]->pict_type != I_TYPE) |
| 2425 |
s->reordered_input_picture[0]->pict_type= P_TYPE;
|
| 2426 |
s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
|
| 2427 |
for(i=0; i<b_frames; i++){ |
| 2428 |
s->reordered_input_picture[i+1]= s->input_picture[i];
|
| 2429 |
s->reordered_input_picture[i+1]->pict_type= B_TYPE;
|
| 2430 |
s->reordered_input_picture[i+1]->coded_picture_number= s->coded_picture_number++;
|
| 2431 |
} |
| 2432 |
} |
| 2433 |
} |
| 2434 |
no_output_pic:
|
| 2435 |
if(s->reordered_input_picture[0]){ |
| 2436 |
s->reordered_input_picture[0]->reference= s->reordered_input_picture[0]->pict_type!=B_TYPE ? 3 : 0; |
| 2437 |
|
| 2438 |
copy_picture(&s->new_picture, s->reordered_input_picture[0]);
|
| 2439 |
|
| 2440 |
if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_SHARED){ |
| 2441 |
// input is a shared pix, so we can't modifiy it -> alloc a new one & ensure that the shared one is reuseable
|
| 2442 |
|
| 2443 |
int i= ff_find_unused_picture(s, 0); |
| 2444 |
Picture *pic= &s->picture[i]; |
| 2445 |
|
| 2446 |
/* mark us unused / free shared pic */
|
| 2447 |
for(i=0; i<4; i++) |
| 2448 |
s->reordered_input_picture[0]->data[i]= NULL; |
| 2449 |
s->reordered_input_picture[0]->type= 0; |
| 2450 |
|
| 2451 |
pic->reference = s->reordered_input_picture[0]->reference;
|
| 2452 |
|
| 2453 |
alloc_picture(s, pic, 0);
|
| 2454 |
|
| 2455 |
copy_picture_attributes(s, (AVFrame*)pic, (AVFrame*)s->reordered_input_picture[0]);
|
| 2456 |
|
| 2457 |
s->current_picture_ptr= pic; |
| 2458 |
}else{
|
| 2459 |
// input is not a shared pix -> reuse buffer for current_pix
|
| 2460 |
|
| 2461 |
assert( s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_USER
|
| 2462 |
|| s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
|
| 2463 |
|
| 2464 |
s->current_picture_ptr= s->reordered_input_picture[0];
|
| 2465 |
for(i=0; i<4; i++){ |
| 2466 |
s->new_picture.data[i]+= INPLACE_OFFSET; |
| 2467 |
} |
| 2468 |
} |
| 2469 |
copy_picture(&s->current_picture, s->current_picture_ptr); |
| 2470 |
|
| 2471 |
s->picture_number= s->new_picture.display_picture_number; |
| 2472 |
//printf("dpn:%d\n", s->picture_number);
|
| 2473 |
}else{
|
| 2474 |
memset(&s->new_picture, 0, sizeof(Picture)); |
| 2475 |
} |
| 2476 |
} |
| 2477 |
|
| 2478 |
int MPV_encode_picture(AVCodecContext *avctx,
|
| 2479 |
unsigned char *buf, int buf_size, void *data) |
| 2480 |
{
|
| 2481 |
MpegEncContext *s = avctx->priv_data; |
| 2482 |
AVFrame *pic_arg = data; |
| 2483 |
int i, stuffing_count;
|
| 2484 |
|
| 2485 |
for(i=0; i<avctx->thread_count; i++){ |
| 2486 |
int start_y= s->thread_context[i]->start_mb_y;
|
| 2487 |
int end_y= s->thread_context[i]-> end_mb_y;
|
| 2488 |
int h= s->mb_height;
|
| 2489 |
uint8_t *start= buf + (size_t)(((int64_t) buf_size)*start_y/h); |
| 2490 |
uint8_t *end = buf + (size_t)(((int64_t) buf_size)* end_y/h); |
| 2491 |
|
| 2492 |
init_put_bits(&s->thread_context[i]->pb, start, end - start); |
| 2493 |
} |
| 2494 |
|
| 2495 |
s->picture_in_gop_number++; |
| 2496 |
|
| 2497 |
if(load_input_picture(s, pic_arg) < 0) |
| 2498 |
return -1; |
| 2499 |
|
| 2500 |
select_input_picture(s); |
| 2501 |
|
| 2502 |
/* output? */
|
| 2503 |
if(s->new_picture.data[0]){ |
| 2504 |
s->pict_type= s->new_picture.pict_type; |
| 2505 |
//emms_c();
|
| 2506 |
//printf("qs:%f %f %d\n", s->new_picture.quality, s->current_picture.quality, s->qscale);
|
| 2507 |
MPV_frame_start(s, avctx); |
| 2508 |
|
| 2509 |
encode_picture(s, s->picture_number); |
| 2510 |
|
| 2511 |
avctx->real_pict_num = s->picture_number; |
| 2512 |
avctx->header_bits = s->header_bits; |
| 2513 |
avctx->mv_bits = s->mv_bits; |
| 2514 |
avctx->misc_bits = s->misc_bits; |
| 2515 |
avctx->i_tex_bits = s->i_tex_bits; |
| 2516 |
avctx->p_tex_bits = s->p_tex_bits; |
| 2517 |
avctx->i_count = s->i_count; |
| 2518 |
avctx->p_count = s->mb_num - s->i_count - s->skip_count; //FIXME f/b_count in avctx
|
| 2519 |
avctx->skip_count = s->skip_count; |
| 2520 |
|
| 2521 |
MPV_frame_end(s); |
| 2522 |
|
| 2523 |
if (s->out_format == FMT_MJPEG)
|
| 2524 |
mjpeg_picture_trailer(s); |
| 2525 |
|
| 2526 |
if(s->flags&CODEC_FLAG_PASS1)
|
| 2527 |
ff_write_pass1_stats(s); |
| 2528 |
|
| 2529 |
for(i=0; i<4; i++){ |
| 2530 |
s->current_picture_ptr->error[i]= s->current_picture.error[i]; |
| 2531 |
avctx->error[i] += s->current_picture_ptr->error[i]; |
| 2532 |
} |
| 2533 |
|
| 2534 |
if(s->flags&CODEC_FLAG_PASS1)
|
| 2535 |
assert(avctx->header_bits + avctx->mv_bits + avctx->misc_bits + avctx->i_tex_bits + avctx->p_tex_bits == put_bits_count(&s->pb)); |
| 2536 |
flush_put_bits(&s->pb); |
| 2537 |
s->frame_bits = put_bits_count(&s->pb); |
| 2538 |
|
| 2539 |
stuffing_count= ff_vbv_update(s, s->frame_bits); |
| 2540 |
if(stuffing_count){
|
| 2541 |
if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < stuffing_count + 50){ |
| 2542 |
av_log(s->avctx, AV_LOG_ERROR, "stuffing too large\n");
|
| 2543 |
return -1; |
| 2544 |
} |
| 2545 |
|
| 2546 |
switch(s->codec_id){
|
| 2547 |
case CODEC_ID_MPEG1VIDEO:
|
| 2548 |
case CODEC_ID_MPEG2VIDEO:
|
| 2549 |
while(stuffing_count--){
|
| 2550 |
put_bits(&s->pb, 8, 0); |
| 2551 |
} |
| 2552 |
break;
|
| 2553 |
case CODEC_ID_MPEG4:
|
| 2554 |
put_bits(&s->pb, 16, 0); |
| 2555 |
put_bits(&s->pb, 16, 0x1C3); |
| 2556 |
stuffing_count -= 4;
|
| 2557 |
while(stuffing_count--){
|
| 2558 |
put_bits(&s->pb, 8, 0xFF); |
| 2559 |
} |
| 2560 |
break;
|
| 2561 |
default:
|
| 2562 |
av_log(s->avctx, AV_LOG_ERROR, "vbv buffer overflow\n");
|
| 2563 |
} |
| 2564 |
flush_put_bits(&s->pb); |
| 2565 |
s->frame_bits = put_bits_count(&s->pb); |
| 2566 |
} |
| 2567 |
|
| 2568 |
/* update mpeg1/2 vbv_delay for CBR */
|
| 2569 |
if(s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate && s->out_format == FMT_MPEG1
|
| 2570 |
&& 90000LL * (avctx->rc_buffer_size-1) <= s->avctx->rc_max_rate*0xFFFFLL){ |
| 2571 |
int vbv_delay;
|
| 2572 |
|
| 2573 |
assert(s->repeat_first_field==0);
|
| 2574 |
|
| 2575 |
vbv_delay= lrintf(90000 * s->rc_context.buffer_index / s->avctx->rc_max_rate);
|
| 2576 |
assert(vbv_delay < 0xFFFF);
|
| 2577 |
|
| 2578 |
s->vbv_delay_ptr[0] &= 0xF8; |
| 2579 |
s->vbv_delay_ptr[0] |= vbv_delay>>13; |
| 2580 |
s->vbv_delay_ptr[1] = vbv_delay>>5; |
| 2581 |
s->vbv_delay_ptr[2] &= 0x07; |
| 2582 |
s->vbv_delay_ptr[2] |= vbv_delay<<3; |
| 2583 |
} |
| 2584 |
s->total_bits += s->frame_bits; |
| 2585 |
avctx->frame_bits = s->frame_bits; |
| 2586 |
}else{
|
| 2587 |
assert((pbBufPtr(&s->pb) == s->pb.buf)); |
| 2588 |
s->frame_bits=0;
|
| 2589 |
} |
| 2590 |
assert((s->frame_bits&7)==0); |
| 2591 |
|
| 2592 |
return s->frame_bits/8; |
| 2593 |
} |
| 2594 |
|
| 2595 |
#endif //CONFIG_ENCODERS |
| 2596 |
|
| 2597 |
static inline void gmc1_motion(MpegEncContext *s, |
| 2598 |
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, |
| 2599 |
uint8_t **ref_picture) |
| 2600 |
{
|
| 2601 |
uint8_t *ptr; |
| 2602 |
int offset, src_x, src_y, linesize, uvlinesize;
|
| 2603 |
int motion_x, motion_y;
|
| 2604 |
int emu=0; |
| 2605 |
|
| 2606 |
motion_x= s->sprite_offset[0][0]; |
| 2607 |
motion_y= s->sprite_offset[0][1]; |
| 2608 |
src_x = s->mb_x * 16 + (motion_x >> (s->sprite_warping_accuracy+1)); |
| 2609 |
src_y = s->mb_y * 16 + (motion_y >> (s->sprite_warping_accuracy+1)); |
| 2610 |
motion_x<<=(3-s->sprite_warping_accuracy);
|
| 2611 |
motion_y<<=(3-s->sprite_warping_accuracy);
|
| 2612 |
src_x = clip(src_x, -16, s->width);
|
| 2613 |
if (src_x == s->width)
|
| 2614 |
motion_x =0;
|
| 2615 |
src_y = clip(src_y, -16, s->height);
|
| 2616 |
if (src_y == s->height)
|
| 2617 |
motion_y =0;
|
| 2618 |
|
| 2619 |
linesize = s->linesize; |
| 2620 |
uvlinesize = s->uvlinesize; |
| 2621 |
|
| 2622 |
ptr = ref_picture[0] + (src_y * linesize) + src_x;
|
| 2623 |
|
| 2624 |
if(s->flags&CODEC_FLAG_EMU_EDGE){
|
| 2625 |
if( (unsigned)src_x >= s->h_edge_pos - 17 |
| 2626 |
|| (unsigned)src_y >= s->v_edge_pos - 17){ |
| 2627 |
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, linesize, 17, 17, src_x, src_y, s->h_edge_pos, s->v_edge_pos); |
| 2628 |
ptr= s->edge_emu_buffer; |
| 2629 |
} |
| 2630 |
} |
| 2631 |
|
| 2632 |
if((motion_x|motion_y)&7){ |
| 2633 |
s->dsp.gmc1(dest_y , ptr , linesize, 16, motion_x&15, motion_y&15, 128 - s->no_rounding); |
| 2634 |
s->dsp.gmc1(dest_y+8, ptr+8, linesize, 16, motion_x&15, motion_y&15, 128 - s->no_rounding); |
| 2635 |
}else{
|
| 2636 |
int dxy;
|
| 2637 |
|
| 2638 |
dxy= ((motion_x>>3)&1) | ((motion_y>>2)&2); |
| 2639 |
if (s->no_rounding){
|
| 2640 |
s->dsp.put_no_rnd_pixels_tab[0][dxy](dest_y, ptr, linesize, 16); |
| 2641 |
}else{
|
| 2642 |
s->dsp.put_pixels_tab [0][dxy](dest_y, ptr, linesize, 16); |
| 2643 |
} |
| 2644 |
} |
| 2645 |
|
| 2646 |
if(s->flags&CODEC_FLAG_GRAY) return; |
| 2647 |
|
| 2648 |
motion_x= s->sprite_offset[1][0]; |
| 2649 |
motion_y= s->sprite_offset[1][1]; |
| 2650 |
src_x = s->mb_x * 8 + (motion_x >> (s->sprite_warping_accuracy+1)); |
| 2651 |
src_y = s->mb_y * 8 + (motion_y >> (s->sprite_warping_accuracy+1)); |
| 2652 |
motion_x<<=(3-s->sprite_warping_accuracy);
|
| 2653 |
motion_y<<=(3-s->sprite_warping_accuracy);
|
| 2654 |
src_x = clip(src_x, -8, s->width>>1); |
| 2655 |
if (src_x == s->width>>1) |
| 2656 |
motion_x =0;
|
| 2657 |
src_y = clip(src_y, -8, s->height>>1); |
| 2658 |
if (src_y == s->height>>1) |
| 2659 |
motion_y =0;
|
| 2660 |
|
| 2661 |
offset = (src_y * uvlinesize) + src_x; |
| 2662 |
ptr = ref_picture[1] + offset;
|
| 2663 |
if(s->flags&CODEC_FLAG_EMU_EDGE){
|
| 2664 |
if( (unsigned)src_x >= (s->h_edge_pos>>1) - 9 |
| 2665 |
|| (unsigned)src_y >= (s->v_edge_pos>>1) - 9){ |
| 2666 |
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1); |
| 2667 |
ptr= s->edge_emu_buffer; |
| 2668 |
emu=1;
|
| 2669 |
} |
| 2670 |
} |
| 2671 |
s->dsp.gmc1(dest_cb, ptr, uvlinesize, 8, motion_x&15, motion_y&15, 128 - s->no_rounding); |
| 2672 |
|
| 2673 |
ptr = ref_picture[2] + offset;
|
| 2674 |
if(emu){
|
| 2675 |
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1); |
| 2676 |
ptr= s->edge_emu_buffer; |
| 2677 |
} |
| 2678 |
s->dsp.gmc1(dest_cr, ptr, uvlinesize, 8, motion_x&15, motion_y&15, 128 - s->no_rounding); |
| 2679 |
|
| 2680 |
return;
|
| 2681 |
} |
| 2682 |
|
| 2683 |
static inline void gmc_motion(MpegEncContext *s, |
| 2684 |
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, |
| 2685 |
uint8_t **ref_picture) |
| 2686 |
{
|
| 2687 |
uint8_t *ptr; |
| 2688 |
int linesize, uvlinesize;
|
| 2689 |
const int a= s->sprite_warping_accuracy; |
| 2690 |
int ox, oy;
|
| 2691 |
|
| 2692 |
linesize = s->linesize; |
| 2693 |
uvlinesize = s->uvlinesize; |
| 2694 |
|
| 2695 |
ptr = ref_picture[0];
|
| 2696 |
|
| 2697 |
ox= s->sprite_offset[0][0] + s->sprite_delta[0][0]*s->mb_x*16 + s->sprite_delta[0][1]*s->mb_y*16; |
| 2698 |
oy= s->sprite_offset[0][1] + s->sprite_delta[1][0]*s->mb_x*16 + s->sprite_delta[1][1]*s->mb_y*16; |
| 2699 |
|
| 2700 |
s->dsp.gmc(dest_y, ptr, linesize, 16,
|
| 2701 |
ox, |
| 2702 |
oy, |
| 2703 |
s->sprite_delta[0][0], s->sprite_delta[0][1], |
| 2704 |
s->sprite_delta[1][0], s->sprite_delta[1][1], |
| 2705 |
a+1, (1<<(2*a+1)) - s->no_rounding, |
| 2706 |
s->h_edge_pos, s->v_edge_pos); |
| 2707 |
s->dsp.gmc(dest_y+8, ptr, linesize, 16, |
| 2708 |
ox + s->sprite_delta[0][0]*8, |
| 2709 |
oy + s->sprite_delta[1][0]*8, |
| 2710 |
s->sprite_delta[0][0], s->sprite_delta[0][1], |
| 2711 |
s->sprite_delta[1][0], s->sprite_delta[1][1], |
| 2712 |
a+1, (1<<(2*a+1)) - s->no_rounding, |
| 2713 |
s->h_edge_pos, s->v_edge_pos); |
| 2714 |
|
| 2715 |
if(s->flags&CODEC_FLAG_GRAY) return; |
| 2716 |
|
| 2717 |
ox= s->sprite_offset[1][0] + s->sprite_delta[0][0]*s->mb_x*8 + s->sprite_delta[0][1]*s->mb_y*8; |
| 2718 |
oy= s->sprite_offset[1][1] + s->sprite_delta[1][0]*s->mb_x*8 + s->sprite_delta[1][1]*s->mb_y*8; |
| 2719 |
|
| 2720 |
ptr = ref_picture[1];
|
| 2721 |
s->dsp.gmc(dest_cb, ptr, uvlinesize, 8,
|
| 2722 |
ox, |
| 2723 |
oy, |
| 2724 |
s->sprite_delta[0][0], s->sprite_delta[0][1], |
| 2725 |
s->sprite_delta[1][0], s->sprite_delta[1][1], |
| 2726 |
a+1, (1<<(2*a+1)) - s->no_rounding, |
| 2727 |
s->h_edge_pos>>1, s->v_edge_pos>>1); |
| 2728 |
|
| 2729 |
ptr = ref_picture[2];
|
| 2730 |
s->dsp.gmc(dest_cr, ptr, uvlinesize, 8,
|
| 2731 |
ox, |
| 2732 |
oy, |
| 2733 |
s->sprite_delta[0][0], s->sprite_delta[0][1], |
| 2734 |
s->sprite_delta[1][0], s->sprite_delta[1][1], |
| 2735 |
a+1, (1<<(2*a+1)) - s->no_rounding, |
| 2736 |
s->h_edge_pos>>1, s->v_edge_pos>>1); |
| 2737 |
} |
| 2738 |
|
| 2739 |
/**
|
| 2740 |
* Copies a rectangular area of samples to a temporary buffer and replicates the boarder samples.
|
| 2741 |
* @param buf destination buffer
|
| 2742 |
* @param src source buffer
|
| 2743 |
* @param linesize number of bytes between 2 vertically adjacent samples in both the source and destination buffers
|
| 2744 |
* @param block_w width of block
|
| 2745 |
* @param block_h height of block
|
| 2746 |
* @param src_x x coordinate of the top left sample of the block in the source buffer
|
| 2747 |
* @param src_y y coordinate of the top left sample of the block in the source buffer
|
| 2748 |
* @param w width of the source buffer
|
| 2749 |
* @param h height of the source buffer
|
| 2750 |
*/
|
| 2751 |
void ff_emulated_edge_mc(uint8_t *buf, uint8_t *src, int linesize, int block_w, int block_h, |
| 2752 |
int src_x, int src_y, int w, int h){ |
| 2753 |
int x, y;
|
| 2754 |
int start_y, start_x, end_y, end_x;
|
| 2755 |
|
| 2756 |
if(src_y>= h){
|
| 2757 |
src+= (h-1-src_y)*linesize;
|
| 2758 |
src_y=h-1;
|
| 2759 |
}else if(src_y<=-block_h){ |
| 2760 |
src+= (1-block_h-src_y)*linesize;
|
| 2761 |
src_y=1-block_h;
|
| 2762 |
} |
| 2763 |
if(src_x>= w){
|
| 2764 |
src+= (w-1-src_x);
|
| 2765 |
src_x=w-1;
|
| 2766 |
}else if(src_x<=-block_w){ |
| 2767 |
src+= (1-block_w-src_x);
|
| 2768 |
src_x=1-block_w;
|
| 2769 |
} |
| 2770 |
|
| 2771 |
start_y= FFMAX(0, -src_y);
|
| 2772 |
start_x= FFMAX(0, -src_x);
|
| 2773 |
end_y= FFMIN(block_h, h-src_y); |
| 2774 |
end_x= FFMIN(block_w, w-src_x); |
| 2775 |
|
| 2776 |
// copy existing part
|
| 2777 |
for(y=start_y; y<end_y; y++){
|
| 2778 |
for(x=start_x; x<end_x; x++){
|
| 2779 |
buf[x + y*linesize]= src[x + y*linesize]; |
| 2780 |
} |
| 2781 |
} |
| 2782 |
|
| 2783 |
//top
|
| 2784 |
for(y=0; y<start_y; y++){ |
| 2785 |
for(x=start_x; x<end_x; x++){
|
| 2786 |
buf[x + y*linesize]= buf[x + start_y*linesize]; |
| 2787 |
} |
| 2788 |
} |
| 2789 |
|
| 2790 |
//bottom
|
| 2791 |
for(y=end_y; y<block_h; y++){
|
| 2792 |
for(x=start_x; x<end_x; x++){
|
| 2793 |
buf[x + y*linesize]= buf[x + (end_y-1)*linesize];
|
| 2794 |
} |
| 2795 |
} |
| 2796 |
|
| 2797 |
for(y=0; y<block_h; y++){ |
| 2798 |
//left
|
| 2799 |
for(x=0; x<start_x; x++){ |
| 2800 |
buf[x + y*linesize]= buf[start_x + y*linesize]; |
| 2801 |
} |
| 2802 |
|
| 2803 |
//right
|
| 2804 |
for(x=end_x; x<block_w; x++){
|
| 2805 |
buf[x + y*linesize]= buf[end_x - 1 + y*linesize];
|
| 2806 |
} |
| 2807 |
} |
| 2808 |
} |
| 2809 |
|
| 2810 |
static inline int hpel_motion(MpegEncContext *s, |
| 2811 |
uint8_t *dest, uint8_t *src, |
| 2812 |
int field_based, int field_select, |
| 2813 |
int src_x, int src_y, |
| 2814 |
int width, int height, int stride, |
| 2815 |
int h_edge_pos, int v_edge_pos, |
| 2816 |
int w, int h, op_pixels_func *pix_op, |
| 2817 |
int motion_x, int motion_y) |
| 2818 |
{
|
| 2819 |
int dxy;
|
| 2820 |
int emu=0; |
| 2821 |
|
| 2822 |
dxy = ((motion_y & 1) << 1) | (motion_x & 1); |
| 2823 |
src_x += motion_x >> 1;
|
| 2824 |
src_y += motion_y >> 1;
|
| 2825 |
|
| 2826 |
/* WARNING: do no forget half pels */
|
| 2827 |
src_x = clip(src_x, -16, width); //FIXME unneeded for emu? |
| 2828 |
if (src_x == width)
|
| 2829 |
dxy &= ~1;
|
| 2830 |
src_y = clip(src_y, -16, height);
|
| 2831 |
if (src_y == height)
|
| 2832 |
dxy &= ~2;
|
| 2833 |
src += src_y * stride + src_x; |
| 2834 |
|
| 2835 |
if(s->unrestricted_mv && (s->flags&CODEC_FLAG_EMU_EDGE)){
|
| 2836 |
if( (unsigned)src_x > h_edge_pos - (motion_x&1) - w |
| 2837 |
|| (unsigned)src_y > v_edge_pos - (motion_y&1) - h){ |
| 2838 |
ff_emulated_edge_mc(s->edge_emu_buffer, src, s->linesize, w+1, (h+1)<<field_based, |
| 2839 |
src_x, src_y<<field_based, h_edge_pos, s->v_edge_pos); |
| 2840 |
src= s->edge_emu_buffer; |
| 2841 |
emu=1;
|
| 2842 |
} |
| 2843 |
} |
| 2844 |
if(field_select)
|
| 2845 |
src += s->linesize; |
| 2846 |
pix_op[dxy](dest, src, stride, h); |
| 2847 |
return emu;
|
| 2848 |
} |
| 2849 |
|
| 2850 |
static inline int hpel_motion_lowres(MpegEncContext *s, |
| 2851 |
uint8_t *dest, uint8_t *src, |
| 2852 |
int field_based, int field_select, |
| 2853 |
int src_x, int src_y, |
| 2854 |
int width, int height, int stride, |
| 2855 |
int h_edge_pos, int v_edge_pos, |
| 2856 |
int w, int h, h264_chroma_mc_func *pix_op, |
| 2857 |
int motion_x, int motion_y) |
| 2858 |
{
|
| 2859 |
const int lowres= s->avctx->lowres; |
| 2860 |
const int s_mask= (2<<lowres)-1; |
| 2861 |
int emu=0; |
| 2862 |
int sx, sy;
|
| 2863 |
|
| 2864 |
if(s->quarter_sample){
|
| 2865 |
motion_x/=2;
|
| 2866 |
motion_y/=2;
|
| 2867 |
} |
| 2868 |
|
| 2869 |
sx= motion_x & s_mask; |
| 2870 |
sy= motion_y & s_mask; |
| 2871 |
src_x += motion_x >> (lowres+1);
|
| 2872 |
src_y += motion_y >> (lowres+1);
|
| 2873 |
|
| 2874 |
src += src_y * stride + src_x; |
| 2875 |
|
| 2876 |
if( (unsigned)src_x > h_edge_pos - (!!sx) - w |
| 2877 |
|| (unsigned)src_y >(v_edge_pos >> field_based) - (!!sy) - h){
|
| 2878 |
ff_emulated_edge_mc(s->edge_emu_buffer, src, s->linesize, w+1, (h+1)<<field_based, |
| 2879 |
src_x, src_y<<field_based, h_edge_pos, v_edge_pos); |
| 2880 |
src= s->edge_emu_buffer; |
| 2881 |
emu=1;
|
| 2882 |
} |
| 2883 |
|
| 2884 |
sx <<= 2 - lowres;
|
| 2885 |
sy <<= 2 - lowres;
|
| 2886 |
if(field_select)
|
| 2887 |
src += s->linesize; |
| 2888 |
pix_op[lowres](dest, src, stride, h, sx, sy); |
| 2889 |
return emu;
|
| 2890 |
} |
| 2891 |
|
| 2892 |
/* apply one mpeg motion vector to the three components */
|
| 2893 |
static always_inline void mpeg_motion(MpegEncContext *s, |
| 2894 |
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, |
| 2895 |
int field_based, int bottom_field, int field_select, |
| 2896 |
uint8_t **ref_picture, op_pixels_func (*pix_op)[4],
|
| 2897 |
int motion_x, int motion_y, int h) |
| 2898 |
{
|
| 2899 |
uint8_t *ptr_y, *ptr_cb, *ptr_cr; |
| 2900 |
int dxy, uvdxy, mx, my, src_x, src_y, uvsrc_x, uvsrc_y, v_edge_pos, uvlinesize, linesize;
|
| 2901 |
|
| 2902 |
#if 0
|
| 2903 |
if(s->quarter_sample)
|
| 2904 |
{
|
| 2905 |
motion_x>>=1;
|
| 2906 |
motion_y>>=1;
|
| 2907 |
}
|
| 2908 |
#endif
|
| 2909 |
|
| 2910 |
v_edge_pos = s->v_edge_pos >> field_based; |
| 2911 |
linesize = s->current_picture.linesize[0] << field_based;
|
| 2912 |
uvlinesize = s->current_picture.linesize[1] << field_based;
|
| 2913 |
|
| 2914 |
dxy = ((motion_y & 1) << 1) | (motion_x & 1); |
| 2915 |
src_x = s->mb_x* 16 + (motion_x >> 1); |
| 2916 |
src_y =(s->mb_y<<(4-field_based)) + (motion_y >> 1); |
| 2917 |
|
| 2918 |
if (s->out_format == FMT_H263) {
|
| 2919 |
if((s->workaround_bugs & FF_BUG_HPEL_CHROMA) && field_based){
|
| 2920 |
mx = (motion_x>>1)|(motion_x&1); |
| 2921 |
my = motion_y >>1;
|
| 2922 |
uvdxy = ((my & 1) << 1) | (mx & 1); |
| 2923 |
uvsrc_x = s->mb_x* 8 + (mx >> 1); |
| 2924 |
uvsrc_y = (s->mb_y<<(3-field_based)) + (my >> 1); |
| 2925 |
}else{
|
| 2926 |
uvdxy = dxy | (motion_y & 2) | ((motion_x & 2) >> 1); |
| 2927 |
uvsrc_x = src_x>>1;
|
| 2928 |
uvsrc_y = src_y>>1;
|
| 2929 |
} |
| 2930 |
}else if(s->out_format == FMT_H261){//even chroma mv's are full pel in H261 |
| 2931 |
mx = motion_x / 4;
|
| 2932 |
my = motion_y / 4;
|
| 2933 |
uvdxy = 0;
|
| 2934 |
uvsrc_x = s->mb_x*8 + mx;
|
| 2935 |
uvsrc_y = s->mb_y*8 + my;
|
| 2936 |
} else {
|
| 2937 |
if(s->chroma_y_shift){
|
| 2938 |
mx = motion_x / 2;
|
| 2939 |
my = motion_y / 2;
|
| 2940 |
uvdxy = ((my & 1) << 1) | (mx & 1); |
| 2941 |
uvsrc_x = s->mb_x* 8 + (mx >> 1); |
| 2942 |
uvsrc_y = (s->mb_y<<(3-field_based)) + (my >> 1); |
| 2943 |
} else {
|
| 2944 |
if(s->chroma_x_shift){
|
| 2945 |
//Chroma422
|
| 2946 |
mx = motion_x / 2;
|
| 2947 |
uvdxy = ((motion_y & 1) << 1) | (mx & 1); |
| 2948 |
uvsrc_x = s->mb_x* 8 + (mx >> 1); |
| 2949 |
uvsrc_y = src_y; |
| 2950 |
} else {
|
| 2951 |
//Chroma444
|
| 2952 |
uvdxy = dxy; |
| 2953 |
uvsrc_x = src_x; |
| 2954 |
uvsrc_y = src_y; |
| 2955 |
} |
| 2956 |
} |
| 2957 |
} |
| 2958 |
|
| 2959 |
ptr_y = ref_picture[0] + src_y * linesize + src_x;
|
| 2960 |
ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x;
|
| 2961 |
ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x;
|
| 2962 |
|
| 2963 |
if( (unsigned)src_x > s->h_edge_pos - (motion_x&1) - 16 |
| 2964 |
|| (unsigned)src_y > v_edge_pos - (motion_y&1) - h){ |
| 2965 |
if(s->codec_id == CODEC_ID_MPEG2VIDEO ||
|
| 2966 |
s->codec_id == CODEC_ID_MPEG1VIDEO){
|
| 2967 |
av_log(s->avctx,AV_LOG_DEBUG,"MPEG motion vector out of boundary\n");
|
| 2968 |
return ;
|
| 2969 |
} |
| 2970 |
ff_emulated_edge_mc(s->edge_emu_buffer, ptr_y, s->linesize, 17, 17+field_based, |
| 2971 |
src_x, src_y<<field_based, s->h_edge_pos, s->v_edge_pos); |
| 2972 |
ptr_y = s->edge_emu_buffer; |
| 2973 |
if(!(s->flags&CODEC_FLAG_GRAY)){
|
| 2974 |
uint8_t *uvbuf= s->edge_emu_buffer+18*s->linesize;
|
| 2975 |
ff_emulated_edge_mc(uvbuf , ptr_cb, s->uvlinesize, 9, 9+field_based, |
| 2976 |
uvsrc_x, uvsrc_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1); |
| 2977 |
ff_emulated_edge_mc(uvbuf+16, ptr_cr, s->uvlinesize, 9, 9+field_based, |
| 2978 |
uvsrc_x, uvsrc_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1); |
| 2979 |
ptr_cb= uvbuf; |
| 2980 |
ptr_cr= uvbuf+16;
|
| 2981 |
} |
| 2982 |
} |
| 2983 |
|
| 2984 |
if(bottom_field){ //FIXME use this for field pix too instead of the obnoxious hack which changes picture.data |
| 2985 |
dest_y += s->linesize; |
| 2986 |
dest_cb+= s->uvlinesize; |
| 2987 |
dest_cr+= s->uvlinesize; |
| 2988 |
} |
| 2989 |
|
| 2990 |
if(field_select){
|
| 2991 |
ptr_y += s->linesize; |
| 2992 |
ptr_cb+= s->uvlinesize; |
| 2993 |
ptr_cr+= s->uvlinesize; |
| 2994 |
} |
| 2995 |
|
| 2996 |
pix_op[0][dxy](dest_y, ptr_y, linesize, h);
|
| 2997 |
|
| 2998 |
if(!(s->flags&CODEC_FLAG_GRAY)){
|
| 2999 |
pix_op[s->chroma_x_shift][uvdxy](dest_cb, ptr_cb, uvlinesize, h >> s->chroma_y_shift); |
| 3000 |
pix_op[s->chroma_x_shift][uvdxy](dest_cr, ptr_cr, uvlinesize, h >> s->chroma_y_shift); |
| 3001 |
} |
| 3002 |
#if defined(CONFIG_H261_ENCODER) || defined(CONFIG_H261_DECODER)
|
| 3003 |
if(s->out_format == FMT_H261){
|
| 3004 |
ff_h261_loop_filter(s); |
| 3005 |
} |
| 3006 |
#endif
|
| 3007 |
} |
| 3008 |
|
| 3009 |
/* apply one mpeg motion vector to the three components */
|
| 3010 |
static always_inline void mpeg_motion_lowres(MpegEncContext *s, |
| 3011 |
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, |
| 3012 |
int field_based, int bottom_field, int field_select, |
| 3013 |
uint8_t **ref_picture, h264_chroma_mc_func *pix_op, |
| 3014 |
int motion_x, int motion_y, int h) |
| 3015 |
{
|
| 3016 |
uint8_t *ptr_y, *ptr_cb, *ptr_cr; |
| 3017 |
int mx, my, src_x, src_y, uvsrc_x, uvsrc_y, uvlinesize, linesize, sx, sy, uvsx, uvsy;
|
| 3018 |
const int lowres= s->avctx->lowres; |
| 3019 |
const int block_s= 8>>lowres; |
| 3020 |
const int s_mask= (2<<lowres)-1; |
| 3021 |
const int h_edge_pos = s->h_edge_pos >> lowres; |
| 3022 |
const int v_edge_pos = s->v_edge_pos >> lowres; |
| 3023 |
linesize = s->current_picture.linesize[0] << field_based;
|
| 3024 |
uvlinesize = s->current_picture.linesize[1] << field_based;
|
| 3025 |
|
| 3026 |
if(s->quarter_sample){ //FIXME obviously not perfect but qpel wont work in lowres anyway |
| 3027 |
motion_x/=2;
|
| 3028 |
motion_y/=2;
|
| 3029 |
} |
| 3030 |
|
| 3031 |
if(field_based){
|
| 3032 |
motion_y += (bottom_field - field_select)*((1<<lowres)-1); |
| 3033 |
} |
| 3034 |
|
| 3035 |
sx= motion_x & s_mask; |
| 3036 |
sy= motion_y & s_mask; |
| 3037 |
src_x = s->mb_x*2*block_s + (motion_x >> (lowres+1)); |
| 3038 |
src_y =(s->mb_y*2*block_s>>field_based) + (motion_y >> (lowres+1)); |
| 3039 |
|
| 3040 |
if (s->out_format == FMT_H263) {
|
| 3041 |
uvsx = ((motion_x>>1) & s_mask) | (sx&1); |
| 3042 |
uvsy = ((motion_y>>1) & s_mask) | (sy&1); |
| 3043 |
uvsrc_x = src_x>>1;
|
| 3044 |
uvsrc_y = src_y>>1;
|
| 3045 |
}else if(s->out_format == FMT_H261){//even chroma mv's are full pel in H261 |
| 3046 |
mx = motion_x / 4;
|
| 3047 |
my = motion_y / 4;
|
| 3048 |
uvsx = (2*mx) & s_mask;
|
| 3049 |
uvsy = (2*my) & s_mask;
|
| 3050 |
uvsrc_x = s->mb_x*block_s + (mx >> lowres); |
| 3051 |
uvsrc_y = s->mb_y*block_s + (my >> lowres); |
| 3052 |
} else {
|
| 3053 |
mx = motion_x / 2;
|
| 3054 |
my = motion_y / 2;
|
| 3055 |
uvsx = mx & s_mask; |
| 3056 |
uvsy = my & s_mask; |
| 3057 |
uvsrc_x = s->mb_x*block_s + (mx >> (lowres+1));
|
| 3058 |
uvsrc_y =(s->mb_y*block_s>>field_based) + (my >> (lowres+1));
|
| 3059 |
} |
| 3060 |
|
| 3061 |
ptr_y = ref_picture[0] + src_y * linesize + src_x;
|
| 3062 |
ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x;
|
| 3063 |
ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x;
|
| 3064 |
|
| 3065 |
if( (unsigned)src_x > h_edge_pos - (!!sx) - 2*block_s |
| 3066 |
|| (unsigned)src_y >(v_edge_pos >> field_based) - (!!sy) - h){
|
| 3067 |
ff_emulated_edge_mc(s->edge_emu_buffer, ptr_y, s->linesize, 17, 17+field_based, |
| 3068 |
src_x, src_y<<field_based, h_edge_pos, v_edge_pos); |
| 3069 |
ptr_y = s->edge_emu_buffer; |
| 3070 |
if(!(s->flags&CODEC_FLAG_GRAY)){
|
| 3071 |
uint8_t *uvbuf= s->edge_emu_buffer+18*s->linesize;
|
| 3072 |
ff_emulated_edge_mc(uvbuf , ptr_cb, s->uvlinesize, 9, 9+field_based, |
| 3073 |
uvsrc_x, uvsrc_y<<field_based, h_edge_pos>>1, v_edge_pos>>1); |
| 3074 |
ff_emulated_edge_mc(uvbuf+16, ptr_cr, s->uvlinesize, 9, 9+field_based, |
| 3075 |
uvsrc_x, uvsrc_y<<field_based, h_edge_pos>>1, v_edge_pos>>1); |
| 3076 |
ptr_cb= uvbuf; |
| 3077 |
ptr_cr= uvbuf+16;
|
| 3078 |
} |
| 3079 |
} |
| 3080 |
|
| 3081 |
if(bottom_field){ //FIXME use this for field pix too instead of the obnoxious hack which changes picture.data |
| 3082 |
dest_y += s->linesize; |
| 3083 |
dest_cb+= s->uvlinesize; |
| 3084 |
dest_cr+= s->uvlinesize; |
| 3085 |
} |
| 3086 |
|
| 3087 |
if(field_select){
|
| 3088 |
ptr_y += s->linesize; |
| 3089 |
ptr_cb+= s->uvlinesize; |
| 3090 |
ptr_cr+= s->uvlinesize; |
| 3091 |
} |
| 3092 |
|
| 3093 |
sx <<= 2 - lowres;
|
| 3094 |
sy <<= 2 - lowres;
|
| 3095 |
pix_op[lowres-1](dest_y, ptr_y, linesize, h, sx, sy);
|
| 3096 |
|
| 3097 |
if(!(s->flags&CODEC_FLAG_GRAY)){
|
| 3098 |
uvsx <<= 2 - lowres;
|
| 3099 |
uvsy <<= 2 - lowres;
|
| 3100 |
pix_op[lowres](dest_cb, ptr_cb, uvlinesize, h >> s->chroma_y_shift, uvsx, uvsy); |
| 3101 |
pix_op[lowres](dest_cr, ptr_cr, uvlinesize, h >> s->chroma_y_shift, uvsx, uvsy); |
| 3102 |
} |
| 3103 |
//FIXME h261 lowres loop filter
|
| 3104 |
} |
| 3105 |
|
| 3106 |
//FIXME move to dsputil, avg variant, 16x16 version
|
| 3107 |
static inline void put_obmc(uint8_t *dst, uint8_t *src[5], int stride){ |
| 3108 |
int x;
|
| 3109 |
uint8_t * const top = src[1]; |
| 3110 |
uint8_t * const left = src[2]; |
| 3111 |
uint8_t * const mid = src[0]; |
| 3112 |
uint8_t * const right = src[3]; |
| 3113 |
uint8_t * const bottom= src[4]; |
| 3114 |
#define OBMC_FILTER(x, t, l, m, r, b)\
|
| 3115 |
dst[x]= (t*top[x] + l*left[x] + m*mid[x] + r*right[x] + b*bottom[x] + 4)>>3 |
| 3116 |
#define OBMC_FILTER4(x, t, l, m, r, b)\
|
| 3117 |
OBMC_FILTER(x , t, l, m, r, b);\ |
| 3118 |
OBMC_FILTER(x+1 , t, l, m, r, b);\
|
| 3119 |
OBMC_FILTER(x +stride, t, l, m, r, b);\ |
| 3120 |
OBMC_FILTER(x+1+stride, t, l, m, r, b);
|
| 3121 |
|
| 3122 |
x=0;
|
| 3123 |
OBMC_FILTER (x , 2, 2, 4, 0, 0); |
| 3124 |
OBMC_FILTER (x+1, 2, 1, 5, 0, 0); |
| 3125 |
OBMC_FILTER4(x+2, 2, 1, 5, 0, 0); |
| 3126 |
OBMC_FILTER4(x+4, 2, 0, 5, 1, 0); |
| 3127 |
OBMC_FILTER (x+6, 2, 0, 5, 1, 0); |
| 3128 |
OBMC_FILTER (x+7, 2, 0, 4, 2, 0); |
| 3129 |
x+= stride; |
| 3130 |
OBMC_FILTER (x , 1, 2, 5, 0, 0); |
| 3131 |
OBMC_FILTER (x+1, 1, 2, 5, 0, 0); |
| 3132 |
OBMC_FILTER (x+6, 1, 0, 5, 2, 0); |
| 3133 |
OBMC_FILTER (x+7, 1, 0, 5, 2, 0); |
| 3134 |
x+= stride; |
| 3135 |
OBMC_FILTER4(x , 1, 2, 5, 0, 0); |
| 3136 |
OBMC_FILTER4(x+2, 1, 1, 6, 0, 0); |
| 3137 |
OBMC_FILTER4(x+4, 1, 0, 6, 1, 0); |
| 3138 |
OBMC_FILTER4(x+6, 1, 0, 5, 2, 0); |
| 3139 |
x+= 2*stride;
|
| 3140 |
OBMC_FILTER4(x , 0, 2, 5, 0, 1); |
| 3141 |
OBMC_FILTER4(x+2, 0, 1, 6, 0, 1); |
| 3142 |
OBMC_FILTER4(x+4, 0, 0, 6, 1, 1); |
| 3143 |
OBMC_FILTER4(x+6, 0, 0, 5, 2, 1); |
| 3144 |
x+= 2*stride;
|
| 3145 |
OBMC_FILTER (x , 0, 2, 5, 0, 1); |
| 3146 |
OBMC_FILTER (x+1, 0, 2, 5, 0, 1); |
| 3147 |
OBMC_FILTER4(x+2, 0, 1, 5, 0, 2); |
| 3148 |
OBMC_FILTER4(x+4, 0, 0, 5, 1, 2); |
| 3149 |
OBMC_FILTER (x+6, 0, 0, 5, 2, 1); |
| 3150 |
OBMC_FILTER (x+7, 0, 0, 5, 2, 1); |
| 3151 |
x+= stride; |
| 3152 |
OBMC_FILTER (x , 0, 2, 4, 0, 2); |
| 3153 |
OBMC_FILTER (x+1, 0, 1, 5, 0, 2); |
| 3154 |
OBMC_FILTER (x+6, 0, 0, 5, 1, 2); |
| 3155 |
OBMC_FILTER (x+7, 0, 0, 4, 2, 2); |
| 3156 |
} |
| 3157 |
|
| 3158 |
/* obmc for 1 8x8 luma block */
|
| 3159 |
static inline void obmc_motion(MpegEncContext *s, |
| 3160 |
uint8_t *dest, uint8_t *src, |
| 3161 |
int src_x, int src_y, |
| 3162 |
op_pixels_func *pix_op, |
| 3163 |
int16_t mv[5][2]/* mid top left right bottom*/) |
| 3164 |
#define MID 0 |
| 3165 |
{
|
| 3166 |
int i;
|
| 3167 |
uint8_t *ptr[5];
|
| 3168 |
|
| 3169 |
assert(s->quarter_sample==0);
|
| 3170 |
|
| 3171 |
for(i=0; i<5; i++){ |
| 3172 |
if(i && mv[i][0]==mv[MID][0] && mv[i][1]==mv[MID][1]){ |
| 3173 |
ptr[i]= ptr[MID]; |
| 3174 |
}else{
|
| 3175 |
ptr[i]= s->obmc_scratchpad + 8*(i&1) + s->linesize*8*(i>>1); |
| 3176 |
hpel_motion(s, ptr[i], src, 0, 0, |
| 3177 |
src_x, src_y, |
| 3178 |
s->width, s->height, s->linesize, |
| 3179 |
s->h_edge_pos, s->v_edge_pos, |
| 3180 |
8, 8, pix_op, |
| 3181 |
mv[i][0], mv[i][1]); |
| 3182 |
} |
| 3183 |
} |
| 3184 |
|
| 3185 |
put_obmc(dest, ptr, s->linesize); |
| 3186 |
} |
| 3187 |
|
| 3188 |
static inline void qpel_motion(MpegEncContext *s, |
| 3189 |
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, |
| 3190 |
int field_based, int bottom_field, int field_select, |
| 3191 |
uint8_t **ref_picture, op_pixels_func (*pix_op)[4],
|
| 3192 |
qpel_mc_func (*qpix_op)[16],
|
| 3193 |
int motion_x, int motion_y, int h) |
| 3194 |
{
|
| 3195 |
uint8_t *ptr_y, *ptr_cb, *ptr_cr; |
| 3196 |
int dxy, uvdxy, mx, my, src_x, src_y, uvsrc_x, uvsrc_y, v_edge_pos, linesize, uvlinesize;
|
| 3197 |
|
| 3198 |
dxy = ((motion_y & 3) << 2) | (motion_x & 3); |
| 3199 |
src_x = s->mb_x * 16 + (motion_x >> 2); |
| 3200 |
src_y = s->mb_y * (16 >> field_based) + (motion_y >> 2); |
| 3201 |
|
| 3202 |
v_edge_pos = s->v_edge_pos >> field_based; |
| 3203 |
linesize = s->linesize << field_based; |
| 3204 |
uvlinesize = s->uvlinesize << field_based; |
| 3205 |
|
| 3206 |
if(field_based){
|
| 3207 |
mx= motion_x/2;
|
| 3208 |
my= motion_y>>1;
|
| 3209 |
}else if(s->workaround_bugs&FF_BUG_QPEL_CHROMA2){ |
| 3210 |
static const int rtab[8]= {0,0,1,1,0,0,0,1}; |
| 3211 |
mx= (motion_x>>1) + rtab[motion_x&7]; |
| 3212 |
my= (motion_y>>1) + rtab[motion_y&7]; |
| 3213 |
}else if(s->workaround_bugs&FF_BUG_QPEL_CHROMA){ |
| 3214 |
mx= (motion_x>>1)|(motion_x&1); |
| 3215 |
my= (motion_y>>1)|(motion_y&1); |
| 3216 |
}else{
|
| 3217 |
mx= motion_x/2;
|
| 3218 |
my= motion_y/2;
|
| 3219 |
} |
| 3220 |
mx= (mx>>1)|(mx&1); |
| 3221 |
my= (my>>1)|(my&1); |
| 3222 |
|
| 3223 |
uvdxy= (mx&1) | ((my&1)<<1); |
| 3224 |
mx>>=1;
|
| 3225 |
my>>=1;
|
| 3226 |
|
| 3227 |
uvsrc_x = s->mb_x * 8 + mx;
|
| 3228 |
uvsrc_y = s->mb_y * (8 >> field_based) + my;
|
| 3229 |
|
| 3230 |
ptr_y = ref_picture[0] + src_y * linesize + src_x;
|
| 3231 |
ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x;
|
| 3232 |
ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x;
|
| 3233 |
|
| 3234 |
if( (unsigned)src_x > s->h_edge_pos - (motion_x&3) - 16 |
| 3235 |
|| (unsigned)src_y > v_edge_pos - (motion_y&3) - h ){ |
| 3236 |
ff_emulated_edge_mc(s->edge_emu_buffer, ptr_y, s->linesize, 17, 17+field_based, |
| 3237 |
src_x, src_y<<field_based, s->h_edge_pos, s->v_edge_pos); |
| 3238 |
ptr_y= s->edge_emu_buffer; |
| 3239 |
if(!(s->flags&CODEC_FLAG_GRAY)){
|
| 3240 |
uint8_t *uvbuf= s->edge_emu_buffer + 18*s->linesize;
|
| 3241 |
ff_emulated_edge_mc(uvbuf, ptr_cb, s->uvlinesize, 9, 9 + field_based, |
| 3242 |
uvsrc_x, uvsrc_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1); |
| 3243 |
ff_emulated_edge_mc(uvbuf + 16, ptr_cr, s->uvlinesize, 9, 9 + field_based, |
| 3244 |
uvsrc_x, uvsrc_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1); |
| 3245 |
ptr_cb= uvbuf; |
| 3246 |
ptr_cr= uvbuf + 16;
|
| 3247 |
} |
| 3248 |
} |
| 3249 |
|
| 3250 |
if(!field_based)
|
| 3251 |
qpix_op[0][dxy](dest_y, ptr_y, linesize);
|
| 3252 |
else{
|
| 3253 |
if(bottom_field){
|
| 3254 |
dest_y += s->linesize; |
| 3255 |
dest_cb+= s->uvlinesize; |
| 3256 |
dest_cr+= s->uvlinesize; |
| 3257 |
} |
| 3258 |
|
| 3259 |
if(field_select){
|
| 3260 |
ptr_y += s->linesize; |
| 3261 |
ptr_cb += s->uvlinesize; |
| 3262 |
ptr_cr += s->uvlinesize; |
| 3263 |
} |
| 3264 |
//damn interlaced mode
|
| 3265 |
//FIXME boundary mirroring is not exactly correct here
|
| 3266 |
qpix_op[1][dxy](dest_y , ptr_y , linesize);
|
| 3267 |
qpix_op[1][dxy](dest_y+8, ptr_y+8, linesize); |
| 3268 |
} |
| 3269 |
if(!(s->flags&CODEC_FLAG_GRAY)){
|
| 3270 |
pix_op[1][uvdxy](dest_cr, ptr_cr, uvlinesize, h >> 1); |
| 3271 |
pix_op[1][uvdxy](dest_cb, ptr_cb, uvlinesize, h >> 1); |
| 3272 |
} |
| 3273 |
} |
| 3274 |
|
| 3275 |
inline int ff_h263_round_chroma(int x){ |
| 3276 |
if (x >= 0) |
| 3277 |
return (h263_chroma_roundtab[x & 0xf] + ((x >> 3) & ~1)); |
| 3278 |
else {
|
| 3279 |
x = -x; |
| 3280 |
return -(h263_chroma_roundtab[x & 0xf] + ((x >> 3) & ~1)); |
| 3281 |
} |
| 3282 |
} |
| 3283 |
|
| 3284 |
/**
|
| 3285 |
* h263 chorma 4mv motion compensation.
|
| 3286 |
*/
|
| 3287 |
static inline void chroma_4mv_motion(MpegEncContext *s, |
| 3288 |
uint8_t *dest_cb, uint8_t *dest_cr, |
| 3289 |
uint8_t **ref_picture, |
| 3290 |
op_pixels_func *pix_op, |
| 3291 |
int mx, int my){ |
| 3292 |
int dxy, emu=0, src_x, src_y, offset; |
| 3293 |
uint8_t *ptr; |
| 3294 |
|
| 3295 |
/* In case of 8X8, we construct a single chroma motion vector
|
| 3296 |
with a special rounding */
|
| 3297 |
mx= ff_h263_round_chroma(mx); |
| 3298 |
my= ff_h263_round_chroma(my); |
| 3299 |
|
| 3300 |
dxy = ((my & 1) << 1) | (mx & 1); |
| 3301 |
mx >>= 1;
|
| 3302 |
my >>= 1;
|
| 3303 |
|
| 3304 |
src_x = s->mb_x * 8 + mx;
|
| 3305 |
src_y = s->mb_y * 8 + my;
|
| 3306 |
src_x = clip(src_x, -8, s->width/2); |
| 3307 |
if (src_x == s->width/2) |
| 3308 |
dxy &= ~1;
|
| 3309 |
src_y = clip(src_y, -8, s->height/2); |
| 3310 |
if (src_y == s->height/2) |
| 3311 |
dxy &= ~2;
|
| 3312 |
|
| 3313 |
offset = (src_y * (s->uvlinesize)) + src_x; |
| 3314 |
ptr = ref_picture[1] + offset;
|
| 3315 |
if(s->flags&CODEC_FLAG_EMU_EDGE){
|
| 3316 |
if( (unsigned)src_x > (s->h_edge_pos>>1) - (dxy &1) - 8 |
| 3317 |
|| (unsigned)src_y > (s->v_edge_pos>>1) - (dxy>>1) - 8){ |
| 3318 |
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1); |
| 3319 |
ptr= s->edge_emu_buffer; |
| 3320 |
emu=1;
|
| 3321 |
} |
| 3322 |
} |
| 3323 |
pix_op[dxy](dest_cb, ptr, s->uvlinesize, 8);
|
| 3324 |
|
| 3325 |
ptr = ref_picture[2] + offset;
|
| 3326 |
if(emu){
|
| 3327 |
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1); |
| 3328 |
ptr= s->edge_emu_buffer; |
| 3329 |
} |
| 3330 |
pix_op[dxy](dest_cr, ptr, s->uvlinesize, 8);
|
| 3331 |
} |
| 3332 |
|
| 3333 |
static inline void chroma_4mv_motion_lowres(MpegEncContext *s, |
| 3334 |
uint8_t *dest_cb, uint8_t *dest_cr, |
| 3335 |
uint8_t **ref_picture, |
| 3336 |
h264_chroma_mc_func *pix_op, |
| 3337 |
int mx, int my){ |
| 3338 |
const int lowres= s->avctx->lowres; |
| 3339 |
const int block_s= 8>>lowres; |
| 3340 |
const int s_mask= (2<<lowres)-1; |
| 3341 |
const int h_edge_pos = s->h_edge_pos >> (lowres+1); |
| 3342 |
const int v_edge_pos = s->v_edge_pos >> (lowres+1); |
| 3343 |
int emu=0, src_x, src_y, offset, sx, sy; |
| 3344 |
uint8_t *ptr; |
| 3345 |
|
| 3346 |
if(s->quarter_sample){
|
| 3347 |
mx/=2;
|
| 3348 |
my/=2;
|
| 3349 |
} |
| 3350 |
|
| 3351 |
/* In case of 8X8, we construct a single chroma motion vector
|
| 3352 |
with a special rounding */
|
| 3353 |
mx= ff_h263_round_chroma(mx); |
| 3354 |
my= ff_h263_round_chroma(my); |
| 3355 |
|
| 3356 |
sx= mx & s_mask; |
| 3357 |
sy= my & s_mask; |
| 3358 |
src_x = s->mb_x*block_s + (mx >> (lowres+1));
|
| 3359 |
src_y = s->mb_y*block_s + (my >> (lowres+1));
|
| 3360 |
|
| 3361 |
offset = src_y * s->uvlinesize + src_x; |
| 3362 |
ptr = ref_picture[1] + offset;
|
| 3363 |
if(s->flags&CODEC_FLAG_EMU_EDGE){
|
| 3364 |
if( (unsigned)src_x > h_edge_pos - (!!sx) - block_s |
| 3365 |
|| (unsigned)src_y > v_edge_pos - (!!sy) - block_s){
|
| 3366 |
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, src_x, src_y, h_edge_pos, v_edge_pos); |
| 3367 |
ptr= s->edge_emu_buffer; |
| 3368 |
emu=1;
|
| 3369 |
} |
| 3370 |
} |
| 3371 |
sx <<= 2 - lowres;
|
| 3372 |
sy <<= 2 - lowres;
|
| 3373 |
pix_op[lowres](dest_cb, ptr, s->uvlinesize, block_s, sx, sy); |
| 3374 |
|
| 3375 |
ptr = ref_picture[2] + offset;
|
| 3376 |
if(emu){
|
| 3377 |
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, src_x, src_y, h_edge_pos, v_edge_pos); |
| 3378 |
ptr= s->edge_emu_buffer; |
| 3379 |
} |
| 3380 |
pix_op[lowres](dest_cr, ptr, s->uvlinesize, block_s, sx, sy); |
| 3381 |
} |
| 3382 |
|
| 3383 |
static inline void prefetch_motion(MpegEncContext *s, uint8_t **pix, int dir){ |
| 3384 |
/* fetch pixels for estimated mv 4 macroblocks ahead
|
| 3385 |
* optimized for 64byte cache lines */
|
| 3386 |
const int shift = s->quarter_sample ? 2 : 1; |
| 3387 |
const int mx= (s->mv[dir][0][0]>>shift) + 16*s->mb_x + 8; |
| 3388 |
const int my= (s->mv[dir][0][1]>>shift) + 16*s->mb_y; |
| 3389 |
int off= mx + (my + (s->mb_x&3)*4)*s->linesize + 64; |
| 3390 |
s->dsp.prefetch(pix[0]+off, s->linesize, 4); |
| 3391 |
off= (mx>>1) + ((my>>1) + (s->mb_x&7))*s->uvlinesize + 64; |
| 3392 |
s->dsp.prefetch(pix[1]+off, pix[2]-pix[1], 2); |
| 3393 |
} |
| 3394 |
|
| 3395 |
/**
|
| 3396 |
* motion compensation of a single macroblock
|
| 3397 |
* @param s context
|
| 3398 |
* @param dest_y luma destination pointer
|
| 3399 |
* @param dest_cb chroma cb/u destination pointer
|
| 3400 |
* @param dest_cr chroma cr/v destination pointer
|
| 3401 |
* @param dir direction (0->forward, 1->backward)
|
| 3402 |
* @param ref_picture array[3] of pointers to the 3 planes of the reference picture
|
| 3403 |
* @param pic_op halfpel motion compensation function (average or put normally)
|
| 3404 |
* @param pic_op qpel motion compensation function (average or put normally)
|
| 3405 |
* the motion vectors are taken from s->mv and the MV type from s->mv_type
|
| 3406 |
*/
|
| 3407 |
static inline void MPV_motion(MpegEncContext *s, |
| 3408 |
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, |
| 3409 |
int dir, uint8_t **ref_picture,
|
| 3410 |
op_pixels_func (*pix_op)[4], qpel_mc_func (*qpix_op)[16]) |
| 3411 |
{
|
| 3412 |
int dxy, mx, my, src_x, src_y, motion_x, motion_y;
|
| 3413 |
int mb_x, mb_y, i;
|
| 3414 |
uint8_t *ptr, *dest; |
| 3415 |
|
| 3416 |
mb_x = s->mb_x; |
| 3417 |
mb_y = s->mb_y; |
| 3418 |
|
| 3419 |
prefetch_motion(s, ref_picture, dir); |
| 3420 |
|
| 3421 |
if(s->obmc && s->pict_type != B_TYPE){
|
| 3422 |
int16_t mv_cache[4][4][2]; |
| 3423 |
const int xy= s->mb_x + s->mb_y*s->mb_stride; |
| 3424 |
const int mot_stride= s->b8_stride; |
| 3425 |
const int mot_xy= mb_x*2 + mb_y*2*mot_stride; |
| 3426 |
|
| 3427 |
assert(!s->mb_skipped); |
| 3428 |
|
| 3429 |
memcpy(mv_cache[1][1], s->current_picture.motion_val[0][mot_xy ], sizeof(int16_t)*4); |
| 3430 |
memcpy(mv_cache[2][1], s->current_picture.motion_val[0][mot_xy+mot_stride], sizeof(int16_t)*4); |
| 3431 |
memcpy(mv_cache[3][1], s->current_picture.motion_val[0][mot_xy+mot_stride], sizeof(int16_t)*4); |
| 3432 |
|
| 3433 |
if(mb_y==0 || IS_INTRA(s->current_picture.mb_type[xy-s->mb_stride])){ |
| 3434 |
memcpy(mv_cache[0][1], mv_cache[1][1], sizeof(int16_t)*4); |
| 3435 |
}else{
|
| 3436 |
memcpy(mv_cache[0][1], s->current_picture.motion_val[0][mot_xy-mot_stride], sizeof(int16_t)*4); |
| 3437 |
} |
| 3438 |
|
| 3439 |
if(mb_x==0 || IS_INTRA(s->current_picture.mb_type[xy-1])){ |
| 3440 |
*(int32_t*)mv_cache[1][0]= *(int32_t*)mv_cache[1][1]; |
| 3441 |
*(int32_t*)mv_cache[2][0]= *(int32_t*)mv_cache[2][1]; |
| 3442 |
}else{
|
| 3443 |
*(int32_t*)mv_cache[1][0]= *(int32_t*)s->current_picture.motion_val[0][mot_xy-1]; |
| 3444 |
*(int32_t*)mv_cache[2][0]= *(int32_t*)s->current_picture.motion_val[0][mot_xy-1+mot_stride]; |
| 3445 |
} |
| 3446 |
|
| 3447 |
if(mb_x+1>=s->mb_width || IS_INTRA(s->current_picture.mb_type[xy+1])){ |
| 3448 |
*(int32_t*)mv_cache[1][3]= *(int32_t*)mv_cache[1][2]; |
| 3449 |
*(int32_t*)mv_cache[2][3]= *(int32_t*)mv_cache[2][2]; |
| 3450 |
}else{
|
| 3451 |
*(int32_t*)mv_cache[1][3]= *(int32_t*)s->current_picture.motion_val[0][mot_xy+2]; |
| 3452 |
*(int32_t*)mv_cache[2][3]= *(int32_t*)s->current_picture.motion_val[0][mot_xy+2+mot_stride]; |
| 3453 |
} |
| 3454 |
|
| 3455 |
mx = 0;
|
| 3456 |
my = 0;
|
| 3457 |
for(i=0;i<4;i++) { |
| 3458 |
const int x= (i&1)+1; |
| 3459 |
const int y= (i>>1)+1; |
| 3460 |
int16_t mv[5][2]= { |
| 3461 |
{mv_cache[y][x ][0], mv_cache[y][x ][1]},
|
| 3462 |
{mv_cache[y-1][x][0], mv_cache[y-1][x][1]},
|
| 3463 |
{mv_cache[y][x-1][0], mv_cache[y][x-1][1]},
|
| 3464 |
{mv_cache[y][x+1][0], mv_cache[y][x+1][1]},
|
| 3465 |
{mv_cache[y+1][x][0], mv_cache[y+1][x][1]}};
|
| 3466 |
//FIXME cleanup
|
| 3467 |
obmc_motion(s, dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize, |
| 3468 |
ref_picture[0],
|
| 3469 |
mb_x * 16 + (i & 1) * 8, mb_y * 16 + (i >>1) * 8, |
| 3470 |
pix_op[1],
|
| 3471 |
mv); |
| 3472 |
|
| 3473 |
mx += mv[0][0]; |
| 3474 |
my += mv[0][1]; |
| 3475 |
} |
| 3476 |
if(!(s->flags&CODEC_FLAG_GRAY))
|
| 3477 |
chroma_4mv_motion(s, dest_cb, dest_cr, ref_picture, pix_op[1], mx, my);
|
| 3478 |
|
| 3479 |
return;
|
| 3480 |
} |
| 3481 |
|
| 3482 |
switch(s->mv_type) {
|
| 3483 |
case MV_TYPE_16X16:
|
| 3484 |
if(s->mcsel){
|
| 3485 |
if(s->real_sprite_warping_points==1){ |
| 3486 |
gmc1_motion(s, dest_y, dest_cb, dest_cr, |
| 3487 |
ref_picture); |
| 3488 |
}else{
|
| 3489 |
gmc_motion(s, dest_y, dest_cb, dest_cr, |
| 3490 |
ref_picture); |
| 3491 |
} |
| 3492 |
}else if(s->quarter_sample){ |
| 3493 |
qpel_motion(s, dest_y, dest_cb, dest_cr, |
| 3494 |
0, 0, 0, |
| 3495 |
ref_picture, pix_op, qpix_op, |
| 3496 |
s->mv[dir][0][0], s->mv[dir][0][1], 16); |
| 3497 |
}else if(s->mspel){ |
| 3498 |
ff_mspel_motion(s, dest_y, dest_cb, dest_cr, |
| 3499 |
ref_picture, pix_op, |
| 3500 |
s->mv[dir][0][0], s->mv[dir][0][1], 16); |
| 3501 |
}else
|
| 3502 |
{
|
| 3503 |
mpeg_motion(s, dest_y, dest_cb, dest_cr, |
| 3504 |
0, 0, 0, |
| 3505 |
ref_picture, pix_op, |
| 3506 |
s->mv[dir][0][0], s->mv[dir][0][1], 16); |
| 3507 |
} |
| 3508 |
break;
|
| 3509 |
case MV_TYPE_8X8:
|
| 3510 |
mx = 0;
|
| 3511 |
my = 0;
|
| 3512 |
if(s->quarter_sample){
|
| 3513 |
for(i=0;i<4;i++) { |
| 3514 |
motion_x = s->mv[dir][i][0];
|
| 3515 |
motion_y = s->mv[dir][i][1];
|
| 3516 |
|
| 3517 |
dxy = ((motion_y & 3) << 2) | (motion_x & 3); |
| 3518 |
src_x = mb_x * 16 + (motion_x >> 2) + (i & 1) * 8; |
| 3519 |
src_y = mb_y * 16 + (motion_y >> 2) + (i >>1) * 8; |
| 3520 |
|
| 3521 |
/* WARNING: do no forget half pels */
|
| 3522 |
src_x = clip(src_x, -16, s->width);
|
| 3523 |
if (src_x == s->width)
|
| 3524 |
dxy &= ~3;
|
| 3525 |
src_y = clip(src_y, -16, s->height);
|
| 3526 |
if (src_y == s->height)
|
| 3527 |
dxy &= ~12;
|
| 3528 |
|
| 3529 |
ptr = ref_picture[0] + (src_y * s->linesize) + (src_x);
|
| 3530 |
if(s->flags&CODEC_FLAG_EMU_EDGE){
|
| 3531 |
if( (unsigned)src_x > s->h_edge_pos - (motion_x&3) - 8 |
| 3532 |
|| (unsigned)src_y > s->v_edge_pos - (motion_y&3) - 8 ){ |
| 3533 |
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->linesize, 9, 9, src_x, src_y, s->h_edge_pos, s->v_edge_pos); |
| 3534 |
ptr= s->edge_emu_buffer; |
| 3535 |
} |
| 3536 |
} |
| 3537 |
dest = dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize; |
| 3538 |
qpix_op[1][dxy](dest, ptr, s->linesize);
|
| 3539 |
|
| 3540 |
mx += s->mv[dir][i][0]/2; |
| 3541 |
my += s->mv[dir][i][1]/2; |
| 3542 |
} |
| 3543 |
}else{
|
| 3544 |
for(i=0;i<4;i++) { |
| 3545 |
hpel_motion(s, dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize, |
| 3546 |
ref_picture[0], 0, 0, |
| 3547 |
mb_x * 16 + (i & 1) * 8, mb_y * 16 + (i >>1) * 8, |
| 3548 |
s->width, s->height, s->linesize, |
| 3549 |
s->h_edge_pos, s->v_edge_pos, |
| 3550 |
8, 8, pix_op[1], |
| 3551 |
s->mv[dir][i][0], s->mv[dir][i][1]); |
| 3552 |
|
| 3553 |
mx += s->mv[dir][i][0];
|
| 3554 |
my += s->mv[dir][i][1];
|
| 3555 |
} |
| 3556 |
} |
| 3557 |
|
| 3558 |
if(!(s->flags&CODEC_FLAG_GRAY))
|
| 3559 |
chroma_4mv_motion(s, dest_cb, dest_cr, ref_picture, pix_op[1], mx, my);
|
| 3560 |
break;
|
| 3561 |
case MV_TYPE_FIELD:
|
| 3562 |
if (s->picture_structure == PICT_FRAME) {
|
| 3563 |
if(s->quarter_sample){
|
| 3564 |
for(i=0; i<2; i++){ |
| 3565 |
qpel_motion(s, dest_y, dest_cb, dest_cr, |
| 3566 |
1, i, s->field_select[dir][i],
|
| 3567 |
ref_picture, pix_op, qpix_op, |
| 3568 |
s->mv[dir][i][0], s->mv[dir][i][1], 8); |
| 3569 |
} |
| 3570 |
}else{
|
| 3571 |
/* top field */
|
| 3572 |
mpeg_motion(s, dest_y, dest_cb, dest_cr, |
| 3573 |
1, 0, s->field_select[dir][0], |
| 3574 |
ref_picture, pix_op, |
| 3575 |
s->mv[dir][0][0], s->mv[dir][0][1], 8); |
| 3576 |
/* bottom field */
|
| 3577 |
mpeg_motion(s, dest_y, dest_cb, dest_cr, |
| 3578 |
1, 1, s->field_select[dir][1], |
| 3579 |
ref_picture, pix_op, |
| 3580 |
s->mv[dir][1][0], s->mv[dir][1][1], 8); |
| 3581 |
} |
| 3582 |
} else {
|
| 3583 |
if(s->picture_structure != s->field_select[dir][0] + 1 && s->pict_type != B_TYPE && !s->first_field){ |
| 3584 |
ref_picture= s->current_picture_ptr->data; |
| 3585 |
} |
| 3586 |
|
| 3587 |
mpeg_motion(s, dest_y, dest_cb, dest_cr, |
| 3588 |
0, 0, s->field_select[dir][0], |
| 3589 |
ref_picture, pix_op, |
| 3590 |
s->mv[dir][0][0], s->mv[dir][0][1], 16); |
| 3591 |
} |
| 3592 |
break;
|
| 3593 |
case MV_TYPE_16X8:
|
| 3594 |
for(i=0; i<2; i++){ |
| 3595 |
uint8_t ** ref2picture; |
| 3596 |
|
| 3597 |
if(s->picture_structure == s->field_select[dir][i] + 1 || s->pict_type == B_TYPE || s->first_field){ |
| 3598 |
ref2picture= ref_picture; |
| 3599 |
}else{
|
| 3600 |
ref2picture= s->current_picture_ptr->data; |
| 3601 |
} |
| 3602 |
|
| 3603 |
mpeg_motion(s, dest_y, dest_cb, dest_cr, |
| 3604 |
0, 0, s->field_select[dir][i], |
| 3605 |
ref2picture, pix_op, |
| 3606 |
s->mv[dir][i][0], s->mv[dir][i][1] + 16*i, 8); |
| 3607 |
|
| 3608 |
dest_y += 16*s->linesize;
|
| 3609 |
dest_cb+= (16>>s->chroma_y_shift)*s->uvlinesize;
|
| 3610 |
dest_cr+= (16>>s->chroma_y_shift)*s->uvlinesize;
|
| 3611 |
} |
| 3612 |
break;
|
| 3613 |
case MV_TYPE_DMV:
|
| 3614 |
if(s->picture_structure == PICT_FRAME){
|
| 3615 |
for(i=0; i<2; i++){ |
| 3616 |
int j;
|
| 3617 |
for(j=0; j<2; j++){ |
| 3618 |
mpeg_motion(s, dest_y, dest_cb, dest_cr, |
| 3619 |
1, j, j^i,
|
| 3620 |
ref_picture, pix_op, |
| 3621 |
s->mv[dir][2*i + j][0], s->mv[dir][2*i + j][1], 8); |
| 3622 |
} |
| 3623 |
pix_op = s->dsp.avg_pixels_tab; |
| 3624 |
} |
| 3625 |
}else{
|
| 3626 |
for(i=0; i<2; i++){ |
| 3627 |
mpeg_motion(s, dest_y, dest_cb, dest_cr, |
| 3628 |
0, 0, s->picture_structure != i+1, |
| 3629 |
ref_picture, pix_op, |
| 3630 |
s->mv[dir][2*i][0],s->mv[dir][2*i][1],16); |
| 3631 |
|
| 3632 |
// after put we make avg of the same block
|
| 3633 |
pix_op=s->dsp.avg_pixels_tab; |
| 3634 |
|
| 3635 |
//opposite parity is always in the same frame if this is second field
|
| 3636 |
if(!s->first_field){
|
| 3637 |
ref_picture = s->current_picture_ptr->data; |
| 3638 |
} |
| 3639 |
} |
| 3640 |
} |
| 3641 |
break;
|
| 3642 |
default: assert(0); |
| 3643 |
} |
| 3644 |
} |
| 3645 |
|
| 3646 |
/**
|
| 3647 |
* motion compensation of a single macroblock
|
| 3648 |
* @param s context
|
| 3649 |
* @param dest_y luma destination pointer
|
| 3650 |
* @param dest_cb chroma cb/u destination pointer
|
| 3651 |
* @param dest_cr chroma cr/v destination pointer
|
| 3652 |
* @param dir direction (0->forward, 1->backward)
|
| 3653 |
* @param ref_picture array[3] of pointers to the 3 planes of the reference picture
|
| 3654 |
* @param pic_op halfpel motion compensation function (average or put normally)
|
| 3655 |
* the motion vectors are taken from s->mv and the MV type from s->mv_type
|
| 3656 |
*/
|
| 3657 |
static inline void MPV_motion_lowres(MpegEncContext *s, |
| 3658 |
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, |
| 3659 |
int dir, uint8_t **ref_picture,
|
| 3660 |
h264_chroma_mc_func *pix_op) |
| 3661 |
{
|
| 3662 |
int mx, my;
|
| 3663 |
int mb_x, mb_y, i;
|
| 3664 |
const int lowres= s->avctx->lowres; |
| 3665 |
const int block_s= 8>>lowres; |
| 3666 |
|
| 3667 |
mb_x = s->mb_x; |
| 3668 |
mb_y = s->mb_y; |
| 3669 |
|
| 3670 |
switch(s->mv_type) {
|
| 3671 |
case MV_TYPE_16X16:
|
| 3672 |
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, |
| 3673 |
0, 0, 0, |
| 3674 |
ref_picture, pix_op, |
| 3675 |
s->mv[dir][0][0], s->mv[dir][0][1], 2*block_s); |
| 3676 |
break;
|
| 3677 |
case MV_TYPE_8X8:
|
| 3678 |
mx = 0;
|
| 3679 |
my = 0;
|
| 3680 |
for(i=0;i<4;i++) { |
| 3681 |
hpel_motion_lowres(s, dest_y + ((i & 1) + (i >> 1) * s->linesize)*block_s, |
| 3682 |
ref_picture[0], 0, 0, |
| 3683 |
(2*mb_x + (i & 1))*block_s, (2*mb_y + (i >>1))*block_s, |
| 3684 |
s->width, s->height, s->linesize, |
| 3685 |
s->h_edge_pos >> lowres, s->v_edge_pos >> lowres, |
| 3686 |
block_s, block_s, pix_op, |
| 3687 |
s->mv[dir][i][0], s->mv[dir][i][1]); |
| 3688 |
|
| 3689 |
mx += s->mv[dir][i][0];
|
| 3690 |
my += s->mv[dir][i][1];
|
| 3691 |
} |
| 3692 |
|
| 3693 |
if(!(s->flags&CODEC_FLAG_GRAY))
|
| 3694 |
chroma_4mv_motion_lowres(s, dest_cb, dest_cr, ref_picture, pix_op, mx, my); |
| 3695 |
break;
|
| 3696 |
case MV_TYPE_FIELD:
|
| 3697 |
if (s->picture_structure == PICT_FRAME) {
|
| 3698 |
/* top field */
|
| 3699 |
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, |
| 3700 |
1, 0, s->field_select[dir][0], |
| 3701 |
ref_picture, pix_op, |
| 3702 |
s->mv[dir][0][0], s->mv[dir][0][1], block_s); |
| 3703 |
/* bottom field */
|
| 3704 |
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, |
| 3705 |
1, 1, s->field_select[dir][1], |
| 3706 |
ref_picture, pix_op, |
| 3707 |
s->mv[dir][1][0], s->mv[dir][1][1], block_s); |
| 3708 |
} else {
|
| 3709 |
if(s->picture_structure != s->field_select[dir][0] + 1 && s->pict_type != B_TYPE && !s->first_field){ |
| 3710 |
ref_picture= s->current_picture_ptr->data; |
| 3711 |
} |
| 3712 |
|
| 3713 |
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, |
| 3714 |
0, 0, s->field_select[dir][0], |
| 3715 |
ref_picture, pix_op, |
| 3716 |
s->mv[dir][0][0], s->mv[dir][0][1], 2*block_s); |
| 3717 |
} |
| 3718 |
break;
|
| 3719 |
case MV_TYPE_16X8:
|
| 3720 |
for(i=0; i<2; i++){ |
| 3721 |
uint8_t ** ref2picture; |
| 3722 |
|
| 3723 |
if(s->picture_structure == s->field_select[dir][i] + 1 || s->pict_type == B_TYPE || s->first_field){ |
| 3724 |
ref2picture= ref_picture; |
| 3725 |
}else{
|
| 3726 |
ref2picture= s->current_picture_ptr->data; |
| 3727 |
} |
| 3728 |
|
| 3729 |
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, |
| 3730 |
0, 0, s->field_select[dir][i], |
| 3731 |
ref2picture, pix_op, |
| 3732 |
s->mv[dir][i][0], s->mv[dir][i][1] + 2*block_s*i, block_s); |
| 3733 |
|
| 3734 |
dest_y += 2*block_s*s->linesize;
|
| 3735 |
dest_cb+= (2*block_s>>s->chroma_y_shift)*s->uvlinesize;
|
| 3736 |
dest_cr+= (2*block_s>>s->chroma_y_shift)*s->uvlinesize;
|
| 3737 |
} |
| 3738 |
break;
|
| 3739 |
case MV_TYPE_DMV:
|
| 3740 |
if(s->picture_structure == PICT_FRAME){
|
| 3741 |
for(i=0; i<2; i++){ |
| 3742 |
int j;
|
| 3743 |
for(j=0; j<2; j++){ |
| 3744 |
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, |
| 3745 |
1, j, j^i,
|
| 3746 |
ref_picture, pix_op, |
| 3747 |
s->mv[dir][2*i + j][0], s->mv[dir][2*i + j][1], block_s); |
| 3748 |
} |
| 3749 |
pix_op = s->dsp.avg_h264_chroma_pixels_tab; |
| 3750 |
} |
| 3751 |
}else{
|
| 3752 |
for(i=0; i<2; i++){ |
| 3753 |
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, |
| 3754 |
0, 0, s->picture_structure != i+1, |
| 3755 |
ref_picture, pix_op, |
| 3756 |
s->mv[dir][2*i][0],s->mv[dir][2*i][1],2*block_s); |
| 3757 |
|
| 3758 |
// after put we make avg of the same block
|
| 3759 |
pix_op = s->dsp.avg_h264_chroma_pixels_tab; |
| 3760 |
|
| 3761 |
//opposite parity is always in the same frame if this is second field
|
| 3762 |
if(!s->first_field){
|
| 3763 |
ref_picture = s->current_picture_ptr->data; |
| 3764 |
} |
| 3765 |
} |
| 3766 |
} |
| 3767 |
break;
|
| 3768 |
default: assert(0); |
| 3769 |
} |
| 3770 |
} |
| 3771 |
|
| 3772 |
/* put block[] to dest[] */
|
| 3773 |
static inline void put_dct(MpegEncContext *s, |
| 3774 |
DCTELEM *block, int i, uint8_t *dest, int line_size, int qscale) |
| 3775 |
{
|
| 3776 |
s->dct_unquantize_intra(s, block, i, qscale); |
| 3777 |
s->dsp.idct_put (dest, line_size, block); |
| 3778 |
} |
| 3779 |
|
| 3780 |
/* add block[] to dest[] */
|
| 3781 |
static inline void add_dct(MpegEncContext *s, |
| 3782 |
DCTELEM *block, int i, uint8_t *dest, int line_size) |
| 3783 |
{
|
| 3784 |
if (s->block_last_index[i] >= 0) { |
| 3785 |
s->dsp.idct_add (dest, line_size, block); |
| 3786 |
} |
| 3787 |
} |
| 3788 |
|
| 3789 |
static inline void add_dequant_dct(MpegEncContext *s, |
| 3790 |
DCTELEM *block, int i, uint8_t *dest, int line_size, int qscale) |
| 3791 |
{
|
| 3792 |
if (s->block_last_index[i] >= 0) { |
| 3793 |
s->dct_unquantize_inter(s, block, i, qscale); |
| 3794 |
|
| 3795 |
s->dsp.idct_add (dest, line_size, block); |
| 3796 |
} |
| 3797 |
} |
| 3798 |
|
| 3799 |
/**
|
| 3800 |
* cleans dc, ac, coded_block for the current non intra MB
|
| 3801 |
*/
|
| 3802 |
void ff_clean_intra_table_entries(MpegEncContext *s)
|
| 3803 |
{
|
| 3804 |
int wrap = s->b8_stride;
|
| 3805 |
int xy = s->block_index[0]; |
| 3806 |
|
| 3807 |
s->dc_val[0][xy ] =
|
| 3808 |
s->dc_val[0][xy + 1 ] = |
| 3809 |
s->dc_val[0][xy + wrap] =
|
| 3810 |
s->dc_val[0][xy + 1 + wrap] = 1024; |
| 3811 |
/* ac pred */
|
| 3812 |
memset(s->ac_val[0][xy ], 0, 32 * sizeof(int16_t)); |
| 3813 |
memset(s->ac_val[0][xy + wrap], 0, 32 * sizeof(int16_t)); |
| 3814 |
if (s->msmpeg4_version>=3) { |
| 3815 |
s->coded_block[xy ] = |
| 3816 |
s->coded_block[xy + 1 ] =
|
| 3817 |
s->coded_block[xy + wrap] = |
| 3818 |
s->coded_block[xy + 1 + wrap] = 0; |
| 3819 |
} |
| 3820 |
/* chroma */
|
| 3821 |
wrap = s->mb_stride; |
| 3822 |
xy = s->mb_x + s->mb_y * wrap; |
| 3823 |
s->dc_val[1][xy] =
|
| 3824 |
s->dc_val[2][xy] = 1024; |
| 3825 |
/* ac pred */
|
| 3826 |
memset(s->ac_val[1][xy], 0, 16 * sizeof(int16_t)); |
| 3827 |
memset(s->ac_val[2][xy], 0, 16 * sizeof(int16_t)); |
| 3828 |
|
| 3829 |
s->mbintra_table[xy]= 0;
|
| 3830 |
} |
| 3831 |
|
| 3832 |
/* generic function called after a macroblock has been parsed by the
|
| 3833 |
decoder or after it has been encoded by the encoder.
|
| 3834 |
|
| 3835 |
Important variables used:
|
| 3836 |
s->mb_intra : true if intra macroblock
|
| 3837 |
s->mv_dir : motion vector direction
|
| 3838 |
s->mv_type : motion vector type
|
| 3839 |
s->mv : motion vector
|
| 3840 |
s->interlaced_dct : true if interlaced dct used (mpeg2)
|
| 3841 |
*/
|
| 3842 |
static always_inline void MPV_decode_mb_internal(MpegEncContext *s, DCTELEM block[12][64], int lowres_flag) |
| 3843 |
{
|
| 3844 |
int mb_x, mb_y;
|
| 3845 |
const int mb_xy = s->mb_y * s->mb_stride + s->mb_x; |
| 3846 |
#ifdef HAVE_XVMC
|
| 3847 |
if(s->avctx->xvmc_acceleration){
|
| 3848 |
XVMC_decode_mb(s);//xvmc uses pblocks
|
| 3849 |
return;
|
| 3850 |
} |
| 3851 |
#endif
|
| 3852 |
|
| 3853 |
mb_x = s->mb_x; |
| 3854 |
mb_y = s->mb_y; |
| 3855 |
|
| 3856 |
if(s->avctx->debug&FF_DEBUG_DCT_COEFF) {
|
| 3857 |
/* save DCT coefficients */
|
| 3858 |
int i,j;
|
| 3859 |
DCTELEM *dct = &s->current_picture.dct_coeff[mb_xy*64*6]; |
| 3860 |
for(i=0; i<6; i++) |
| 3861 |
for(j=0; j<64; j++) |
| 3862 |
*dct++ = block[i][s->dsp.idct_permutation[j]]; |
| 3863 |
} |
| 3864 |
|
| 3865 |
s->current_picture.qscale_table[mb_xy]= s->qscale; |
| 3866 |
|
| 3867 |
/* update DC predictors for P macroblocks */
|
| 3868 |
if (!s->mb_intra) {
|
| 3869 |
if (s->h263_pred || s->h263_aic) {
|
| 3870 |
if(s->mbintra_table[mb_xy])
|
| 3871 |
ff_clean_intra_table_entries(s); |
| 3872 |
} else {
|
| 3873 |
s->last_dc[0] =
|
| 3874 |
s->last_dc[1] =
|
| 3875 |
s->last_dc[2] = 128 << s->intra_dc_precision; |
| 3876 |
} |
| 3877 |
} |
| 3878 |
else if (s->h263_pred || s->h263_aic) |
| 3879 |
s->mbintra_table[mb_xy]=1;
|
| 3880 |
|
| 3881 |
if ((s->flags&CODEC_FLAG_PSNR) || !(s->encoding && (s->intra_only || s->pict_type==B_TYPE))) { //FIXME precalc |
| 3882 |
uint8_t *dest_y, *dest_cb, *dest_cr; |
| 3883 |
int dct_linesize, dct_offset;
|
| 3884 |
op_pixels_func (*op_pix)[4];
|
| 3885 |
qpel_mc_func (*op_qpix)[16];
|
| 3886 |
const int linesize= s->current_picture.linesize[0]; //not s->linesize as this would be wrong for field pics |
| 3887 |
const int uvlinesize= s->current_picture.linesize[1]; |
| 3888 |
const int readable= s->pict_type != B_TYPE || s->encoding || s->avctx->draw_horiz_band || lowres_flag; |
| 3889 |
const int block_size= lowres_flag ? 8>>s->avctx->lowres : 8; |
| 3890 |
|
| 3891 |
/* avoid copy if macroblock skipped in last frame too */
|
| 3892 |
/* skip only during decoding as we might trash the buffers during encoding a bit */
|
| 3893 |
if(!s->encoding){
|
| 3894 |
uint8_t *mbskip_ptr = &s->mbskip_table[mb_xy]; |
| 3895 |
const int age= s->current_picture.age; |
| 3896 |
|
| 3897 |
assert(age); |
| 3898 |
|
| 3899 |
if (s->mb_skipped) {
|
| 3900 |
s->mb_skipped= 0;
|
| 3901 |
assert(s->pict_type!=I_TYPE); |
| 3902 |
|
| 3903 |
(*mbskip_ptr) ++; /* indicate that this time we skipped it */
|
| 3904 |
if(*mbskip_ptr >99) *mbskip_ptr= 99; |
| 3905 |
|
| 3906 |
/* if previous was skipped too, then nothing to do ! */
|
| 3907 |
if (*mbskip_ptr >= age && s->current_picture.reference){
|
| 3908 |
return;
|
| 3909 |
} |
| 3910 |
} else if(!s->current_picture.reference){ |
| 3911 |
(*mbskip_ptr) ++; /* increase counter so the age can be compared cleanly */
|
| 3912 |
if(*mbskip_ptr >99) *mbskip_ptr= 99; |
| 3913 |
} else{
|
| 3914 |
*mbskip_ptr = 0; /* not skipped */ |
| 3915 |
} |
| 3916 |
} |
| 3917 |
|
| 3918 |
dct_linesize = linesize << s->interlaced_dct; |
| 3919 |
dct_offset =(s->interlaced_dct)? linesize : linesize*block_size; |
| 3920 |
|
| 3921 |
if(readable){
|
| 3922 |
dest_y= s->dest[0];
|
| 3923 |
dest_cb= s->dest[1];
|
| 3924 |
dest_cr= s->dest[2];
|
| 3925 |
}else{
|
| 3926 |
dest_y = s->b_scratchpad; |
| 3927 |
dest_cb= s->b_scratchpad+16*linesize;
|
| 3928 |
dest_cr= s->b_scratchpad+32*linesize;
|
| 3929 |
} |
| 3930 |
|
| 3931 |
if (!s->mb_intra) {
|
| 3932 |
/* motion handling */
|
| 3933 |
/* decoding or more than one mb_type (MC was already done otherwise) */
|
| 3934 |
if(!s->encoding){
|
| 3935 |
if(lowres_flag){
|
| 3936 |
h264_chroma_mc_func *op_pix = s->dsp.put_h264_chroma_pixels_tab; |
| 3937 |
|
| 3938 |
if (s->mv_dir & MV_DIR_FORWARD) {
|
| 3939 |
MPV_motion_lowres(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix);
|
| 3940 |
op_pix = s->dsp.avg_h264_chroma_pixels_tab; |
| 3941 |
} |
| 3942 |
if (s->mv_dir & MV_DIR_BACKWARD) {
|
| 3943 |
MPV_motion_lowres(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix);
|
| 3944 |
} |
| 3945 |
}else{
|
| 3946 |
if ((!s->no_rounding) || s->pict_type==B_TYPE){
|
| 3947 |
op_pix = s->dsp.put_pixels_tab; |
| 3948 |
op_qpix= s->dsp.put_qpel_pixels_tab; |
| 3949 |
}else{
|
| 3950 |
op_pix = s->dsp.put_no_rnd_pixels_tab; |
| 3951 |
op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab; |
| 3952 |
} |
| 3953 |
if (s->mv_dir & MV_DIR_FORWARD) {
|
| 3954 |
MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix);
|
| 3955 |
op_pix = s->dsp.avg_pixels_tab; |
| 3956 |
op_qpix= s->dsp.avg_qpel_pixels_tab; |
| 3957 |
} |
| 3958 |
if (s->mv_dir & MV_DIR_BACKWARD) {
|
| 3959 |
MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix);
|
| 3960 |
} |
| 3961 |
} |
| 3962 |
} |
| 3963 |
|
| 3964 |
/* skip dequant / idct if we are really late ;) */
|
| 3965 |
if(s->hurry_up>1) goto skip_idct; |
| 3966 |
if(s->avctx->skip_idct){
|
| 3967 |
if( (s->avctx->skip_idct >= AVDISCARD_NONREF && s->pict_type == B_TYPE)
|
| 3968 |
||(s->avctx->skip_idct >= AVDISCARD_NONKEY && s->pict_type != I_TYPE) |
| 3969 |
|| s->avctx->skip_idct >= AVDISCARD_ALL) |
| 3970 |
goto skip_idct;
|
| 3971 |
} |
| 3972 |
|
| 3973 |
/* add dct residue */
|
| 3974 |
if(s->encoding || !( s->h263_msmpeg4 || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO
|
| 3975 |
|| (s->codec_id==CODEC_ID_MPEG4 && !s->mpeg_quant))){
|
| 3976 |
add_dequant_dct(s, block[0], 0, dest_y , dct_linesize, s->qscale); |
| 3977 |
add_dequant_dct(s, block[1], 1, dest_y + block_size, dct_linesize, s->qscale); |
| 3978 |
add_dequant_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize, s->qscale); |
| 3979 |
add_dequant_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize, s->qscale); |
| 3980 |
|
| 3981 |
if(!(s->flags&CODEC_FLAG_GRAY)){
|
| 3982 |
if (s->chroma_y_shift){
|
| 3983 |
add_dequant_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale); |
| 3984 |
add_dequant_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale); |
| 3985 |
}else{
|
| 3986 |
dct_linesize >>= 1;
|
| 3987 |
dct_offset >>=1;
|
| 3988 |
add_dequant_dct(s, block[4], 4, dest_cb, dct_linesize, s->chroma_qscale); |
| 3989 |
add_dequant_dct(s, block[5], 5, dest_cr, dct_linesize, s->chroma_qscale); |
| 3990 |
add_dequant_dct(s, block[6], 6, dest_cb + dct_offset, dct_linesize, s->chroma_qscale); |
| 3991 |
add_dequant_dct(s, block[7], 7, dest_cr + dct_offset, dct_linesize, s->chroma_qscale); |
| 3992 |
} |
| 3993 |
} |
| 3994 |
} else if(s->codec_id != CODEC_ID_WMV2){ |
| 3995 |
add_dct(s, block[0], 0, dest_y , dct_linesize); |
| 3996 |
add_dct(s, block[1], 1, dest_y + block_size, dct_linesize); |
| 3997 |
add_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize); |
| 3998 |
add_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize); |
| 3999 |
|
| 4000 |
if(!(s->flags&CODEC_FLAG_GRAY)){
|
| 4001 |
if(s->chroma_y_shift){//Chroma420 |
| 4002 |
add_dct(s, block[4], 4, dest_cb, uvlinesize); |
| 4003 |
add_dct(s, block[5], 5, dest_cr, uvlinesize); |
| 4004 |
}else{
|
| 4005 |
//chroma422
|
| 4006 |
dct_linesize = uvlinesize << s->interlaced_dct; |
| 4007 |
dct_offset =(s->interlaced_dct)? uvlinesize : uvlinesize*8;
|
| 4008 |
|
| 4009 |
add_dct(s, block[4], 4, dest_cb, dct_linesize); |
| 4010 |
add_dct(s, block[5], 5, dest_cr, dct_linesize); |
| 4011 |
add_dct(s, block[6], 6, dest_cb+dct_offset, dct_linesize); |
| 4012 |
add_dct(s, block[7], 7, dest_cr+dct_offset, dct_linesize); |
| 4013 |
if(!s->chroma_x_shift){//Chroma444 |
| 4014 |
add_dct(s, block[8], 8, dest_cb+8, dct_linesize); |
| 4015 |
add_dct(s, block[9], 9, dest_cr+8, dct_linesize); |
| 4016 |
add_dct(s, block[10], 10, dest_cb+8+dct_offset, dct_linesize); |
| 4017 |
add_dct(s, block[11], 11, dest_cr+8+dct_offset, dct_linesize); |
| 4018 |
} |
| 4019 |
} |
| 4020 |
}//fi gray
|
| 4021 |
} |
| 4022 |
else{
|
| 4023 |
ff_wmv2_add_mb(s, block, dest_y, dest_cb, dest_cr); |
| 4024 |
} |
| 4025 |
} else {
|
| 4026 |
/* dct only in intra block */
|
| 4027 |
if(s->encoding || !(s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO)){
|
| 4028 |
put_dct(s, block[0], 0, dest_y , dct_linesize, s->qscale); |
| 4029 |
put_dct(s, block[1], 1, dest_y + block_size, dct_linesize, s->qscale); |
| 4030 |
put_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize, s->qscale); |
| 4031 |
put_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize, s->qscale); |
| 4032 |
|
| 4033 |
if(!(s->flags&CODEC_FLAG_GRAY)){
|
| 4034 |
if(s->chroma_y_shift){
|
| 4035 |
put_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale); |
| 4036 |
put_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale); |
| 4037 |
}else{
|
| 4038 |
dct_offset >>=1;
|
| 4039 |
dct_linesize >>=1;
|
| 4040 |
put_dct(s, block[4], 4, dest_cb, dct_linesize, s->chroma_qscale); |
| 4041 |
put_dct(s, block[5], 5, dest_cr, dct_linesize, s->chroma_qscale); |
| 4042 |
put_dct(s, block[6], 6, dest_cb + dct_offset, dct_linesize, s->chroma_qscale); |
| 4043 |
put_dct(s, block[7], 7, dest_cr + dct_offset, dct_linesize, s->chroma_qscale); |
| 4044 |
} |
| 4045 |
} |
| 4046 |
}else{
|
| 4047 |
s->dsp.idct_put(dest_y , dct_linesize, block[0]);
|
| 4048 |
s->dsp.idct_put(dest_y + block_size, dct_linesize, block[1]);
|
| 4049 |
s->dsp.idct_put(dest_y + dct_offset , dct_linesize, block[2]);
|
| 4050 |
s->dsp.idct_put(dest_y + dct_offset + block_size, dct_linesize, block[3]);
|
| 4051 |
|
| 4052 |
if(!(s->flags&CODEC_FLAG_GRAY)){
|
| 4053 |
if(s->chroma_y_shift){
|
| 4054 |
s->dsp.idct_put(dest_cb, uvlinesize, block[4]);
|
| 4055 |
s->dsp.idct_put(dest_cr, uvlinesize, block[5]);
|
| 4056 |
}else{
|
| 4057 |
|
| 4058 |
dct_linesize = uvlinesize << s->interlaced_dct; |
| 4059 |
dct_offset =(s->interlaced_dct)? uvlinesize : uvlinesize*8;
|
| 4060 |
|
| 4061 |
s->dsp.idct_put(dest_cb, dct_linesize, block[4]);
|
| 4062 |
s->dsp.idct_put(dest_cr, dct_linesize, block[5]);
|
| 4063 |
s->dsp.idct_put(dest_cb + dct_offset, dct_linesize, block[6]);
|
| 4064 |
s->dsp.idct_put(dest_cr + dct_offset, dct_linesize, block[7]);
|
| 4065 |
if(!s->chroma_x_shift){//Chroma444 |
| 4066 |
s->dsp.idct_put(dest_cb + 8, dct_linesize, block[8]); |
| 4067 |
s->dsp.idct_put(dest_cr + 8, dct_linesize, block[9]); |
| 4068 |
s->dsp.idct_put(dest_cb + 8 + dct_offset, dct_linesize, block[10]); |
| 4069 |
s->dsp.idct_put(dest_cr + 8 + dct_offset, dct_linesize, block[11]); |
| 4070 |
} |
| 4071 |
} |
| 4072 |
}//gray
|
| 4073 |
} |
| 4074 |
} |
| 4075 |
skip_idct:
|
| 4076 |
if(!readable){
|
| 4077 |
s->dsp.put_pixels_tab[0][0](s->dest[0], dest_y , linesize,16); |
| 4078 |
s->dsp.put_pixels_tab[s->chroma_x_shift][0](s->dest[1], dest_cb, uvlinesize,16 >> s->chroma_y_shift); |
| 4079 |
s->dsp.put_pixels_tab[s->chroma_x_shift][0](s->dest[2], dest_cr, uvlinesize,16 >> s->chroma_y_shift); |
| 4080 |
} |
| 4081 |
} |
| 4082 |
} |
| 4083 |
|
| 4084 |
void MPV_decode_mb(MpegEncContext *s, DCTELEM block[12][64]){ |
| 4085 |
if(s->avctx->lowres) MPV_decode_mb_internal(s, block, 1); |
| 4086 |
else MPV_decode_mb_internal(s, block, 0); |
| 4087 |
} |
| 4088 |
|
| 4089 |
#ifdef CONFIG_ENCODERS
|
| 4090 |
|
| 4091 |
static inline void dct_single_coeff_elimination(MpegEncContext *s, int n, int threshold) |
| 4092 |
{
|
| 4093 |
static const char tab[64]= |
| 4094 |
{3,2,2,1,1,1,1,1,
|
| 4095 |
1,1,1,1,1,1,1,1, |
| 4096 |
1,1,1,1,1,1,1,1, |
| 4097 |
0,0,0,0,0,0,0,0, |
| 4098 |
0,0,0,0,0,0,0,0, |
| 4099 |
0,0,0,0,0,0,0,0, |
| 4100 |
0,0,0,0,0,0,0,0, |
| 4101 |
0,0,0,0,0,0,0,0}; |
| 4102 |
int score=0; |
| 4103 |
int run=0; |
| 4104 |
int i;
|
| 4105 |
DCTELEM *block= s->block[n]; |
| 4106 |
const int last_index= s->block_last_index[n]; |
| 4107 |
int skip_dc;
|
| 4108 |
|
| 4109 |
if(threshold<0){ |
| 4110 |
skip_dc=0;
|
| 4111 |
threshold= -threshold; |
| 4112 |
}else
|
| 4113 |
skip_dc=1;
|
| 4114 |
|
| 4115 |
/* are all which we could set to zero are allready zero? */
|
| 4116 |
if(last_index<=skip_dc - 1) return; |
| 4117 |
|
| 4118 |
for(i=0; i<=last_index; i++){ |
| 4119 |
const int j = s->intra_scantable.permutated[i]; |
| 4120 |
const int level = ABS(block[j]); |
| 4121 |
if(level==1){ |
| 4122 |
if(skip_dc && i==0) continue; |
| 4123 |
score+= tab[run]; |
| 4124 |
run=0;
|
| 4125 |
}else if(level>1){ |
| 4126 |
return;
|
| 4127 |
}else{
|
| 4128 |
run++; |
| 4129 |
} |
| 4130 |
} |
| 4131 |
if(score >= threshold) return; |
| 4132 |
for(i=skip_dc; i<=last_index; i++){
|
| 4133 |
const int j = s->intra_scantable.permutated[i]; |
| 4134 |
block[j]=0;
|
| 4135 |
} |
| 4136 |
if(block[0]) s->block_last_index[n]= 0; |
| 4137 |
else s->block_last_index[n]= -1; |
| 4138 |
} |
| 4139 |
|
| 4140 |
static inline void clip_coeffs(MpegEncContext *s, DCTELEM *block, int last_index) |
| 4141 |
{
|
| 4142 |
int i;
|
| 4143 |
const int maxlevel= s->max_qcoeff; |
| 4144 |
const int minlevel= s->min_qcoeff; |
| 4145 |
int overflow=0; |
| 4146 |
|
| 4147 |
if(s->mb_intra){
|
| 4148 |
i=1; //skip clipping of intra dc |
| 4149 |
}else
|
| 4150 |
i=0;
|
| 4151 |
|
| 4152 |
for(;i<=last_index; i++){
|
| 4153 |
const int j= s->intra_scantable.permutated[i]; |
| 4154 |
int level = block[j];
|
| 4155 |
|
| 4156 |
if (level>maxlevel){
|
| 4157 |
level=maxlevel; |
| 4158 |
overflow++; |
| 4159 |
}else if(level<minlevel){ |
| 4160 |
level=minlevel; |
| 4161 |
overflow++; |
| 4162 |
} |
| 4163 |
|
| 4164 |
block[j]= level; |
| 4165 |
} |
| 4166 |
|
| 4167 |
if(overflow && s->avctx->mb_decision == FF_MB_DECISION_SIMPLE)
|
| 4168 |
av_log(s->avctx, AV_LOG_INFO, "warning, clipping %d dct coefficients to %d..%d\n", overflow, minlevel, maxlevel);
|
| 4169 |
} |
| 4170 |
|
| 4171 |
#endif //CONFIG_ENCODERS |
| 4172 |
|
| 4173 |
/**
|
| 4174 |
*
|
| 4175 |
* @param h is the normal height, this will be reduced automatically if needed for the last row
|
| 4176 |
*/
|
| 4177 |
void ff_draw_horiz_band(MpegEncContext *s, int y, int h){ |
| 4178 |
if (s->avctx->draw_horiz_band) {
|
| 4179 |
AVFrame *src; |
| 4180 |
int offset[4]; |
| 4181 |
|
| 4182 |
if(s->picture_structure != PICT_FRAME){
|
| 4183 |
h <<= 1;
|
| 4184 |
y <<= 1;
|
| 4185 |
if(s->first_field && !(s->avctx->slice_flags&SLICE_FLAG_ALLOW_FIELD)) return; |
| 4186 |
} |
| 4187 |
|
| 4188 |
h= FFMIN(h, s->avctx->height - y); |
| 4189 |
|
| 4190 |
if(s->pict_type==B_TYPE || s->low_delay || (s->avctx->slice_flags&SLICE_FLAG_CODED_ORDER))
|
| 4191 |
src= (AVFrame*)s->current_picture_ptr; |
| 4192 |
else if(s->last_picture_ptr) |
| 4193 |
src= (AVFrame*)s->last_picture_ptr; |
| 4194 |
else
|
| 4195 |
return;
|
| 4196 |
|
| 4197 |
if(s->pict_type==B_TYPE && s->picture_structure == PICT_FRAME && s->out_format != FMT_H264){
|
| 4198 |
offset[0]=
|
| 4199 |
offset[1]=
|
| 4200 |
offset[2]=
|
| 4201 |
offset[3]= 0; |
| 4202 |
}else{
|
| 4203 |
offset[0]= y * s->linesize;;
|
| 4204 |
offset[1]=
|
| 4205 |
offset[2]= (y >> s->chroma_y_shift) * s->uvlinesize;
|
| 4206 |
offset[3]= 0; |
| 4207 |
} |
| 4208 |
|
| 4209 |
emms_c(); |
| 4210 |
|
| 4211 |
s->avctx->draw_horiz_band(s->avctx, src, offset, |
| 4212 |
y, s->picture_structure, h); |
| 4213 |
} |
| 4214 |
} |
| 4215 |
|
| 4216 |
void ff_init_block_index(MpegEncContext *s){ //FIXME maybe rename |
| 4217 |
const int linesize= s->current_picture.linesize[0]; //not s->linesize as this would be wrong for field pics |
| 4218 |
const int uvlinesize= s->current_picture.linesize[1]; |
| 4219 |
const int mb_size= 4 - s->avctx->lowres; |
| 4220 |
|
| 4221 |
s->block_index[0]= s->b8_stride*(s->mb_y*2 ) - 2 + s->mb_x*2; |
| 4222 |
s->block_index[1]= s->b8_stride*(s->mb_y*2 ) - 1 + s->mb_x*2; |
| 4223 |
s->block_index[2]= s->b8_stride*(s->mb_y*2 + 1) - 2 + s->mb_x*2; |
| 4224 |
s->block_index[3]= s->b8_stride*(s->mb_y*2 + 1) - 1 + s->mb_x*2; |
| 4225 |
s->block_index[4]= s->mb_stride*(s->mb_y + 1) + s->b8_stride*s->mb_height*2 + s->mb_x - 1; |
| 4226 |
s->block_index[5]= s->mb_stride*(s->mb_y + s->mb_height + 2) + s->b8_stride*s->mb_height*2 + s->mb_x - 1; |
| 4227 |
//block_index is not used by mpeg2, so it is not affected by chroma_format
|
| 4228 |
|
| 4229 |
s->dest[0] = s->current_picture.data[0] + ((s->mb_x - 1) << mb_size); |
| 4230 |
s->dest[1] = s->current_picture.data[1] + ((s->mb_x - 1) << (mb_size - s->chroma_x_shift)); |
| 4231 |
s->dest[2] = s->current_picture.data[2] + ((s->mb_x - 1) << (mb_size - s->chroma_x_shift)); |
| 4232 |
|
| 4233 |
if(!(s->pict_type==B_TYPE && s->avctx->draw_horiz_band && s->picture_structure==PICT_FRAME))
|
| 4234 |
{
|
| 4235 |
s->dest[0] += s->mb_y * linesize << mb_size;
|
| 4236 |
s->dest[1] += s->mb_y * uvlinesize << (mb_size - s->chroma_y_shift);
|
| 4237 |
s->dest[2] += s->mb_y * uvlinesize << (mb_size - s->chroma_y_shift);
|
| 4238 |
} |
| 4239 |
} |
| 4240 |
|
| 4241 |
#ifdef CONFIG_ENCODERS
|
| 4242 |
|
| 4243 |
static void get_vissual_weight(int16_t *weight, uint8_t *ptr, int stride){ |
| 4244 |
int x, y;
|
| 4245 |
//FIXME optimize
|
| 4246 |
for(y=0; y<8; y++){ |
| 4247 |
for(x=0; x<8; x++){ |
| 4248 |
int x2, y2;
|
| 4249 |
int sum=0; |
| 4250 |
int sqr=0; |
| 4251 |
int count=0; |
| 4252 |
|
| 4253 |
for(y2= FFMAX(y-1, 0); y2 < FFMIN(8, y+2); y2++){ |
| 4254 |
for(x2= FFMAX(x-1, 0); x2 < FFMIN(8, x+2); x2++){ |
| 4255 |
int v= ptr[x2 + y2*stride];
|
| 4256 |
sum += v; |
| 4257 |
sqr += v*v; |
| 4258 |
count++; |
| 4259 |
} |
| 4260 |
} |
| 4261 |
weight[x + 8*y]= (36*ff_sqrt(count*sqr - sum*sum)) / count; |
| 4262 |
} |
| 4263 |
} |
| 4264 |
} |
| 4265 |
|
| 4266 |
static always_inline void encode_mb_internal(MpegEncContext *s, int motion_x, int motion_y, int mb_block_height, int mb_block_count) |
| 4267 |
{
|
| 4268 |
int16_t weight[8][64]; |
| 4269 |
DCTELEM orig[8][64]; |
| 4270 |
const int mb_x= s->mb_x; |
| 4271 |
const int mb_y= s->mb_y; |
| 4272 |
int i;
|
| 4273 |
int skip_dct[8]; |
| 4274 |
int dct_offset = s->linesize*8; //default for progressive frames |
| 4275 |
uint8_t *ptr_y, *ptr_cb, *ptr_cr; |
| 4276 |
int wrap_y, wrap_c;
|
| 4277 |
|
| 4278 |
for(i=0; i<mb_block_count; i++) skip_dct[i]=0; |
| 4279 |
|
| 4280 |
if(s->adaptive_quant){
|
| 4281 |
const int last_qp= s->qscale; |
| 4282 |
const int mb_xy= mb_x + mb_y*s->mb_stride; |
| 4283 |
|
| 4284 |
s->lambda= s->lambda_table[mb_xy]; |
| 4285 |
update_qscale(s); |
| 4286 |
|
| 4287 |
if(!(s->flags&CODEC_FLAG_QP_RD)){
|
| 4288 |
s->dquant= s->qscale - last_qp; |
| 4289 |
|
| 4290 |
if(s->out_format==FMT_H263){
|
| 4291 |
s->dquant= clip(s->dquant, -2, 2); //FIXME RD |
| 4292 |
|
| 4293 |
if(s->codec_id==CODEC_ID_MPEG4){
|
| 4294 |
if(!s->mb_intra){
|
| 4295 |
if(s->pict_type == B_TYPE){
|
| 4296 |
if(s->dquant&1) |
| 4297 |
s->dquant= (s->dquant/2)*2; |
| 4298 |
if(s->mv_dir&MV_DIRECT)
|
| 4299 |
s->dquant= 0;
|
| 4300 |
} |
| 4301 |
if(s->mv_type==MV_TYPE_8X8)
|
| 4302 |
s->dquant=0;
|
| 4303 |
} |
| 4304 |
} |
| 4305 |
} |
| 4306 |
} |
| 4307 |
ff_set_qscale(s, last_qp + s->dquant); |
| 4308 |
}else if(s->flags&CODEC_FLAG_QP_RD) |
| 4309 |
ff_set_qscale(s, s->qscale + s->dquant); |
| 4310 |
|
| 4311 |
wrap_y = s->linesize; |
| 4312 |
wrap_c = s->uvlinesize; |
| 4313 |
ptr_y = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16; |
| 4314 |
ptr_cb = s->new_picture.data[1] + (mb_y * mb_block_height * wrap_c) + mb_x * 8; |
| 4315 |
ptr_cr = s->new_picture.data[2] + (mb_y * mb_block_height * wrap_c) + mb_x * 8; |
| 4316 |
|
| 4317 |
if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){ |
| 4318 |
uint8_t *ebuf= s->edge_emu_buffer + 32;
|
| 4319 |
ff_emulated_edge_mc(ebuf , ptr_y , wrap_y,16,16,mb_x*16,mb_y*16, s->width , s->height); |
| 4320 |
ptr_y= ebuf; |
| 4321 |
ff_emulated_edge_mc(ebuf+18*wrap_y , ptr_cb, wrap_c, 8, mb_block_height, mb_x*8, mb_y*8, s->width>>1, s->height>>1); |
| 4322 |
ptr_cb= ebuf+18*wrap_y;
|
| 4323 |
ff_emulated_edge_mc(ebuf+18*wrap_y+8, ptr_cr, wrap_c, 8, mb_block_height, mb_x*8, mb_y*8, s->width>>1, s->height>>1); |
| 4324 |
ptr_cr= ebuf+18*wrap_y+8; |
| 4325 |
} |
| 4326 |
|
| 4327 |
if (s->mb_intra) {
|
| 4328 |
if(s->flags&CODEC_FLAG_INTERLACED_DCT){
|
| 4329 |
int progressive_score, interlaced_score;
|
| 4330 |
|
| 4331 |
s->interlaced_dct=0;
|
| 4332 |
progressive_score= s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y, 8) |
| 4333 |
+s->dsp.ildct_cmp[4](s, ptr_y + wrap_y*8, NULL, wrap_y, 8) - 400; |
| 4334 |
|
| 4335 |
if(progressive_score > 0){ |
| 4336 |
interlaced_score = s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y*2, 8) |
| 4337 |
+s->dsp.ildct_cmp[4](s, ptr_y + wrap_y , NULL, wrap_y*2, 8); |
| 4338 |
if(progressive_score > interlaced_score){
|
| 4339 |
s->interlaced_dct=1;
|
| 4340 |
|
| 4341 |
dct_offset= wrap_y; |
| 4342 |
wrap_y<<=1;
|
| 4343 |
if (s->chroma_format == CHROMA_422)
|
| 4344 |
wrap_c<<=1;
|
| 4345 |
} |
| 4346 |
} |
| 4347 |
} |
| 4348 |
|
| 4349 |
s->dsp.get_pixels(s->block[0], ptr_y , wrap_y);
|
| 4350 |
s->dsp.get_pixels(s->block[1], ptr_y + 8, wrap_y); |
| 4351 |
s->dsp.get_pixels(s->block[2], ptr_y + dct_offset , wrap_y);
|
| 4352 |
s->dsp.get_pixels(s->block[3], ptr_y + dct_offset + 8, wrap_y); |
| 4353 |
|
| 4354 |
if(s->flags&CODEC_FLAG_GRAY){
|
| 4355 |
skip_dct[4]= 1; |
| 4356 |
skip_dct[5]= 1; |
| 4357 |
}else{
|
| 4358 |
s->dsp.get_pixels(s->block[4], ptr_cb, wrap_c);
|
| 4359 |
s->dsp.get_pixels(s->block[5], ptr_cr, wrap_c);
|
| 4360 |
if(!s->chroma_y_shift){ /* 422 */ |
| 4361 |
s->dsp.get_pixels(s->block[6], ptr_cb + (dct_offset>>1), wrap_c); |
| 4362 |
s->dsp.get_pixels(s->block[7], ptr_cr + (dct_offset>>1), wrap_c); |
| 4363 |
} |
| 4364 |
} |
| 4365 |
}else{
|
| 4366 |
op_pixels_func (*op_pix)[4];
|
| 4367 |
qpel_mc_func (*op_qpix)[16];
|
| 4368 |
uint8_t *dest_y, *dest_cb, *dest_cr; |
| 4369 |
|
| 4370 |
dest_y = s->dest[0];
|
| 4371 |
dest_cb = s->dest[1];
|
| 4372 |
dest_cr = s->dest[2];
|
| 4373 |
|
| 4374 |
if ((!s->no_rounding) || s->pict_type==B_TYPE){
|
| 4375 |
op_pix = s->dsp.put_pixels_tab; |
| 4376 |
op_qpix= s->dsp.put_qpel_pixels_tab; |
| 4377 |
}else{
|
| 4378 |
op_pix = s->dsp.put_no_rnd_pixels_tab; |
| 4379 |
op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab; |
| 4380 |
} |
| 4381 |
|
| 4382 |
if (s->mv_dir & MV_DIR_FORWARD) {
|
| 4383 |
MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix);
|
| 4384 |
op_pix = s->dsp.avg_pixels_tab; |
| 4385 |
op_qpix= s->dsp.avg_qpel_pixels_tab; |
| 4386 |
} |
| 4387 |
if (s->mv_dir & MV_DIR_BACKWARD) {
|
| 4388 |
MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix);
|
| 4389 |
} |
| 4390 |
|
| 4391 |
if(s->flags&CODEC_FLAG_INTERLACED_DCT){
|
| 4392 |
int progressive_score, interlaced_score;
|
| 4393 |
|
| 4394 |
s->interlaced_dct=0;
|
| 4395 |
progressive_score= s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y, 8) |
| 4396 |
+s->dsp.ildct_cmp[0](s, dest_y + wrap_y*8, ptr_y + wrap_y*8, wrap_y, 8) - 400; |
| 4397 |
|
| 4398 |
if(s->avctx->ildct_cmp == FF_CMP_VSSE) progressive_score -= 400; |
| 4399 |
|
| 4400 |
if(progressive_score>0){ |
| 4401 |
interlaced_score = s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y*2, 8) |
| 4402 |
+s->dsp.ildct_cmp[0](s, dest_y + wrap_y , ptr_y + wrap_y , wrap_y*2, 8); |
| 4403 |
|
| 4404 |
if(progressive_score > interlaced_score){
|
| 4405 |
s->interlaced_dct=1;
|
| 4406 |
|
| 4407 |
dct_offset= wrap_y; |
| 4408 |
wrap_y<<=1;
|
| 4409 |
if (s->chroma_format == CHROMA_422)
|
| 4410 |
wrap_c<<=1;
|
| 4411 |
} |
| 4412 |
} |
| 4413 |
} |
| 4414 |
|
| 4415 |
s->dsp.diff_pixels(s->block[0], ptr_y , dest_y , wrap_y);
|
| 4416 |
s->dsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y); |
| 4417 |
s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset , dest_y + dct_offset , wrap_y);
|
| 4418 |
s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8, dest_y + dct_offset + 8, wrap_y); |
| 4419 |
|
| 4420 |
if(s->flags&CODEC_FLAG_GRAY){
|
| 4421 |
skip_dct[4]= 1; |
| 4422 |
skip_dct[5]= 1; |
| 4423 |
}else{
|
| 4424 |
s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
|
| 4425 |
s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
|
| 4426 |
if(!s->chroma_y_shift){ /* 422 */ |
| 4427 |
s->dsp.diff_pixels(s->block[6], ptr_cb + (dct_offset>>1), dest_cb + (dct_offset>>1), wrap_c); |
| 4428 |
s->dsp.diff_pixels(s->block[7], ptr_cr + (dct_offset>>1), dest_cr + (dct_offset>>1), wrap_c); |
| 4429 |
} |
| 4430 |
} |
| 4431 |
/* pre quantization */
|
| 4432 |
if(s->current_picture.mc_mb_var[s->mb_stride*mb_y+ mb_x]<2*s->qscale*s->qscale){ |
| 4433 |
//FIXME optimize
|
| 4434 |
if(s->dsp.sad[1](NULL, ptr_y , dest_y , wrap_y, 8) < 20*s->qscale) skip_dct[0]= 1; |
| 4435 |
if(s->dsp.sad[1](NULL, ptr_y + 8, dest_y + 8, wrap_y, 8) < 20*s->qscale) skip_dct[1]= 1; |
| 4436 |
if(s->dsp.sad[1](NULL, ptr_y +dct_offset , dest_y +dct_offset , wrap_y, 8) < 20*s->qscale) skip_dct[2]= 1; |
| 4437 |
if(s->dsp.sad[1](NULL, ptr_y +dct_offset+ 8, dest_y +dct_offset+ 8, wrap_y, 8) < 20*s->qscale) skip_dct[3]= 1; |
| 4438 |
if(s->dsp.sad[1](NULL, ptr_cb , dest_cb , wrap_c, 8) < 20*s->qscale) skip_dct[4]= 1; |
| 4439 |
if(s->dsp.sad[1](NULL, ptr_cr , dest_cr , wrap_c, 8) < 20*s->qscale) skip_dct[5]= 1; |
| 4440 |
if(!s->chroma_y_shift){ /* 422 */ |
| 4441 |
if(s->dsp.sad[1](NULL, ptr_cb +(dct_offset>>1), dest_cb +(dct_offset>>1), wrap_c, 8) < 20*s->qscale) skip_dct[6]= 1; |
| 4442 |
if(s->dsp.sad[1](NULL, ptr_cr +(dct_offset>>1), dest_cr +(dct_offset>>1), wrap_c, 8) < 20*s->qscale) skip_dct[7]= 1; |
| 4443 |
} |
| 4444 |
} |
| 4445 |
} |
| 4446 |
|
| 4447 |
if(s->avctx->quantizer_noise_shaping){
|
| 4448 |
if(!skip_dct[0]) get_vissual_weight(weight[0], ptr_y , wrap_y); |
| 4449 |
if(!skip_dct[1]) get_vissual_weight(weight[1], ptr_y + 8, wrap_y); |
| 4450 |
if(!skip_dct[2]) get_vissual_weight(weight[2], ptr_y + dct_offset , wrap_y); |
| 4451 |
if(!skip_dct[3]) get_vissual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y); |
| 4452 |
if(!skip_dct[4]) get_vissual_weight(weight[4], ptr_cb , wrap_c); |
| 4453 |
if(!skip_dct[5]) get_vissual_weight(weight[5], ptr_cr , wrap_c); |
| 4454 |
if(!s->chroma_y_shift){ /* 422 */ |
| 4455 |
if(!skip_dct[6]) get_vissual_weight(weight[6], ptr_cb + (dct_offset>>1), wrap_c); |
| 4456 |
if(!skip_dct[7]) get_vissual_weight(weight[7], ptr_cr + (dct_offset>>1), wrap_c); |
| 4457 |
} |
| 4458 |
memcpy(orig[0], s->block[0], sizeof(DCTELEM)*64*mb_block_count); |
| 4459 |
} |
| 4460 |
|
| 4461 |
/* DCT & quantize */
|
| 4462 |
assert(s->out_format!=FMT_MJPEG || s->qscale==8);
|
| 4463 |
{
|
| 4464 |
for(i=0;i<mb_block_count;i++) { |
| 4465 |
if(!skip_dct[i]){
|
| 4466 |
int overflow;
|
| 4467 |
s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow); |
| 4468 |
// FIXME we could decide to change to quantizer instead of clipping
|
| 4469 |
// JS: I don't think that would be a good idea it could lower quality instead
|
| 4470 |
// of improve it. Just INTRADC clipping deserves changes in quantizer
|
| 4471 |
if (overflow) clip_coeffs(s, s->block[i], s->block_last_index[i]);
|
| 4472 |
}else
|
| 4473 |
s->block_last_index[i]= -1;
|
| 4474 |
} |
| 4475 |
if(s->avctx->quantizer_noise_shaping){
|
| 4476 |
for(i=0;i<mb_block_count;i++) { |
| 4477 |
if(!skip_dct[i]){
|
| 4478 |
s->block_last_index[i] = dct_quantize_refine(s, s->block[i], weight[i], orig[i], i, s->qscale); |
| 4479 |
} |
| 4480 |
} |
| 4481 |
} |
| 4482 |
|
| 4483 |
if(s->luma_elim_threshold && !s->mb_intra)
|
| 4484 |
for(i=0; i<4; i++) |
| 4485 |
dct_single_coeff_elimination(s, i, s->luma_elim_threshold); |
| 4486 |
if(s->chroma_elim_threshold && !s->mb_intra)
|
| 4487 |
for(i=4; i<mb_block_count; i++) |
| 4488 |
dct_single_coeff_elimination(s, i, s->chroma_elim_threshold); |
| 4489 |
|
| 4490 |
if(s->flags & CODEC_FLAG_CBP_RD){
|
| 4491 |
for(i=0;i<mb_block_count;i++) { |
| 4492 |
if(s->block_last_index[i] == -1) |
| 4493 |
s->coded_score[i]= INT_MAX/256;
|
| 4494 |
} |
| 4495 |
} |
| 4496 |
} |
| 4497 |
|
| 4498 |
if((s->flags&CODEC_FLAG_GRAY) && s->mb_intra){
|
| 4499 |
s->block_last_index[4]=
|
| 4500 |
s->block_last_index[5]= 0; |
| 4501 |
s->block[4][0]= |
| 4502 |
s->block[5][0]= (1024 + s->c_dc_scale/2)/ s->c_dc_scale; |
| 4503 |
} |
| 4504 |
|
| 4505 |
//non c quantize code returns incorrect block_last_index FIXME
|
| 4506 |
if(s->alternate_scan && s->dct_quantize != dct_quantize_c){
|
| 4507 |
for(i=0; i<mb_block_count; i++){ |
| 4508 |
int j;
|
| 4509 |
if(s->block_last_index[i]>0){ |
| 4510 |
for(j=63; j>0; j--){ |
| 4511 |
if(s->block[i][ s->intra_scantable.permutated[j] ]) break; |
| 4512 |
} |
| 4513 |
s->block_last_index[i]= j; |
| 4514 |
} |
| 4515 |
} |
| 4516 |
} |
| 4517 |
|
| 4518 |
/* huffman encode */
|
| 4519 |
switch(s->codec_id){ //FIXME funct ptr could be slightly faster |
| 4520 |
case CODEC_ID_MPEG1VIDEO:
|
| 4521 |
case CODEC_ID_MPEG2VIDEO:
|
| 4522 |
mpeg1_encode_mb(s, s->block, motion_x, motion_y); break;
|
| 4523 |
case CODEC_ID_MPEG4:
|
| 4524 |
mpeg4_encode_mb(s, s->block, motion_x, motion_y); break;
|
| 4525 |
case CODEC_ID_MSMPEG4V2:
|
| 4526 |
case CODEC_ID_MSMPEG4V3:
|
| 4527 |
case CODEC_ID_WMV1:
|
| 4528 |
msmpeg4_encode_mb(s, s->block, motion_x, motion_y); break;
|
| 4529 |
case CODEC_ID_WMV2:
|
| 4530 |
ff_wmv2_encode_mb(s, s->block, motion_x, motion_y); break;
|
| 4531 |
#ifdef CONFIG_H261_ENCODER
|
| 4532 |
case CODEC_ID_H261:
|
| 4533 |
ff_h261_encode_mb(s, s->block, motion_x, motion_y); break;
|
| 4534 |
#endif
|
| 4535 |
case CODEC_ID_H263:
|
| 4536 |
case CODEC_ID_H263P:
|
| 4537 |
case CODEC_ID_FLV1:
|
| 4538 |
case CODEC_ID_RV10:
|
| 4539 |
case CODEC_ID_RV20:
|
| 4540 |
h263_encode_mb(s, s->block, motion_x, motion_y); break;
|
| 4541 |
case CODEC_ID_MJPEG:
|
| 4542 |
mjpeg_encode_mb(s, s->block); break;
|
| 4543 |
default:
|
| 4544 |
assert(0);
|
| 4545 |
} |
| 4546 |
} |
| 4547 |
|
| 4548 |
static always_inline void encode_mb(MpegEncContext *s, int motion_x, int motion_y) |
| 4549 |
{
|
| 4550 |
if (s->chroma_format == CHROMA_420) encode_mb_internal(s, motion_x, motion_y, 8, 6); |
| 4551 |
else encode_mb_internal(s, motion_x, motion_y, 16, 8); |
| 4552 |
} |
| 4553 |
|
| 4554 |
#endif //CONFIG_ENCODERS |
| 4555 |
|
| 4556 |
void ff_mpeg_flush(AVCodecContext *avctx){
|
| 4557 |
int i;
|
| 4558 |
MpegEncContext *s = avctx->priv_data; |
| 4559 |
|
| 4560 |
if(s==NULL || s->picture==NULL) |
| 4561 |
return;
|
| 4562 |
|
| 4563 |
for(i=0; i<MAX_PICTURE_COUNT; i++){ |
| 4564 |
if(s->picture[i].data[0] && ( s->picture[i].type == FF_BUFFER_TYPE_INTERNAL |
| 4565 |
|| s->picture[i].type == FF_BUFFER_TYPE_USER)) |
| 4566 |
avctx->release_buffer(avctx, (AVFrame*)&s->picture[i]); |
| 4567 |
} |
| 4568 |
s->current_picture_ptr = s->last_picture_ptr = s->next_picture_ptr = NULL;
|
| 4569 |
|
| 4570 |
s->mb_x= s->mb_y= 0;
|
| 4571 |
|
| 4572 |
s->parse_context.state= -1;
|
| 4573 |
s->parse_context.frame_start_found= 0;
|
| 4574 |
s->parse_context.overread= 0;
|
| 4575 |
s->parse_context.overread_index= 0;
|
| 4576 |
s->parse_context.index= 0;
|
| 4577 |
s->parse_context.last_index= 0;
|
| 4578 |
s->bitstream_buffer_size=0;
|
| 4579 |
} |
| 4580 |
|
| 4581 |
#ifdef CONFIG_ENCODERS
|
| 4582 |
void ff_copy_bits(PutBitContext *pb, uint8_t *src, int length) |
| 4583 |
{
|
| 4584 |
const uint16_t *srcw= (uint16_t*)src;
|
| 4585 |
int words= length>>4; |
| 4586 |
int bits= length&15; |
| 4587 |
int i;
|
| 4588 |
|
| 4589 |
if(length==0) return; |
| 4590 |
|
| 4591 |
if(words < 16){ |
| 4592 |
for(i=0; i<words; i++) put_bits(pb, 16, be2me_16(srcw[i])); |
| 4593 |
}else if(put_bits_count(pb)&7){ |
| 4594 |
for(i=0; i<words; i++) put_bits(pb, 16, be2me_16(srcw[i])); |
| 4595 |
}else{
|
| 4596 |
for(i=0; put_bits_count(pb)&31; i++) |
| 4597 |
put_bits(pb, 8, src[i]);
|
| 4598 |
flush_put_bits(pb); |
| 4599 |
memcpy(pbBufPtr(pb), src+i, 2*words-i);
|
| 4600 |
skip_put_bytes(pb, 2*words-i);
|
| 4601 |
} |
| 4602 |
|
| 4603 |
put_bits(pb, bits, be2me_16(srcw[words])>>(16-bits));
|
| 4604 |
} |
| 4605 |
|
| 4606 |
static inline void copy_context_before_encode(MpegEncContext *d, MpegEncContext *s, int type){ |
| 4607 |
int i;
|
| 4608 |
|
| 4609 |
memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop? |
| 4610 |
|
| 4611 |
/* mpeg1 */
|
| 4612 |
d->mb_skip_run= s->mb_skip_run; |
| 4613 |
for(i=0; i<3; i++) |
| 4614 |
d->last_dc[i]= s->last_dc[i]; |
| 4615 |
|
| 4616 |
/* statistics */
|
| 4617 |
d->mv_bits= s->mv_bits; |
| 4618 |
d->i_tex_bits= s->i_tex_bits; |
| 4619 |
d->p_tex_bits= s->p_tex_bits; |
| 4620 |
d->i_count= s->i_count; |
| 4621 |
d->f_count= s->f_count; |
| 4622 |
d->b_count= s->b_count; |
| 4623 |
d->skip_count= s->skip_count; |
| 4624 |
d->misc_bits= s->misc_bits; |
| 4625 |
d->last_bits= 0;
|
| 4626 |
|
| 4627 |
d->mb_skipped= 0;
|
| 4628 |
d->qscale= s->qscale; |
| 4629 |
d->dquant= s->dquant; |
| 4630 |
} |
| 4631 |
|
| 4632 |
static inline void copy_context_after_encode(MpegEncContext *d, MpegEncContext *s, int type){ |
| 4633 |
int i;
|
| 4634 |
|
| 4635 |
memcpy(d->mv, s->mv, 2*4*2*sizeof(int)); |
| 4636 |
memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop? |
| 4637 |
|
| 4638 |
/* mpeg1 */
|
| 4639 |
d->mb_skip_run= s->mb_skip_run; |
| 4640 |
for(i=0; i<3; i++) |
| 4641 |
d->last_dc[i]= s->last_dc[i]; |
| 4642 |
|
| 4643 |
/* statistics */
|
| 4644 |
d->mv_bits= s->mv_bits; |
| 4645 |
d->i_tex_bits= s->i_tex_bits; |
| 4646 |
d->p_tex_bits= s->p_tex_bits; |
| 4647 |
d->i_count= s->i_count; |
| 4648 |
d->f_count= s->f_count; |
| 4649 |
d->b_count= s->b_count; |
| 4650 |
d->skip_count= s->skip_count; |
| 4651 |
d->misc_bits= s->misc_bits; |
| 4652 |
|
| 4653 |
d->mb_intra= s->mb_intra; |
| 4654 |
d->mb_skipped= s->mb_skipped; |
| 4655 |
d->mv_type= s-& |