ffmpeg / libavcodec / mpegvideo_enc.c @ 4052cbf1
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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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* 4MV & hq & B-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg 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 FFmpeg; 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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/**
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* @file libavcodec/mpegvideo_enc.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 "mpegvideo_common.h" |
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#include "mjpegenc.h" |
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#include "msmpeg4.h" |
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#include "faandct.h" |
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#include "aandcttab.h" |
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#include <limits.h> |
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|
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//#undef NDEBUG
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//#include <assert.h>
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static int encode_picture(MpegEncContext *s, int picture_number); |
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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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|
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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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static uint8_t default_mv_penalty[MAX_FCODE+1][MAX_MV*2+1]; |
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static uint8_t default_fcode_tab[MAX_MV*2+1]; |
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|
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void ff_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 <= ff_aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
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/* (1 << 36) / 19952 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= (1 << 36) / 249205026 */
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/* 3444240 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= 275 */
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qmat[qscale][i] = (int)((UINT64_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 <= ff_aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
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/* (1 << 36) / 19952 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
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/* 3444240 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= 275 */
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qmat[qscale][i] = (int)((UINT64_C(1) << (QMAT_SHIFT + 14)) / |
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(ff_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_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*ff_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 than %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= av_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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void ff_write_quant_matrix(PutBitContext *pb, uint16_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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/**
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* init s->current_picture.qscale_table from s->lambda_table
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*/
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void ff_init_qscale_tab(MpegEncContext *s){
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int8_t * const qscale_table= s->current_picture.qscale_table;
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int i;
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for(i=0; i<s->mb_num; i++){ |
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unsigned int lam= s->lambda_table[ s->mb_index2xy[i] ]; |
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int qp= (lam*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7); |
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qscale_table[ s->mb_index2xy[i] ]= av_clip(qp, s->avctx->qmin, s->avctx->qmax); |
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} |
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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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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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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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memcpy(dst->mb_type, src->mb_type, s->mb_stride * s->mb_height * sizeof(dst->mb_type[0])); |
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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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static void update_duplicate_context_after_me(MpegEncContext *dst, MpegEncContext *src){ |
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#define COPY(a) dst->a= src->a
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COPY(pict_type); |
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COPY(current_picture); |
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COPY(f_code); |
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COPY(b_code); |
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COPY(qscale); |
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COPY(lambda); |
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COPY(lambda2); |
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COPY(picture_in_gop_number); |
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COPY(gop_picture_number); |
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COPY(frame_pred_frame_dct); //FIXME don't set in encode_header
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COPY(progressive_frame); //FIXME don't set in encode_header
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COPY(partitioned_frame); //FIXME don't set in encode_header
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#undef COPY
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} |
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|
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/**
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* sets the given MpegEncContext to defaults for encoding.
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* the changed fields will not depend upon the prior state of the MpegEncContext.
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*/
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static void MPV_encode_defaults(MpegEncContext *s){ |
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int i;
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MPV_common_defaults(s); |
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|
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for(i=-16; i<16; i++){ |
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default_fcode_tab[i + MAX_MV]= 1;
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} |
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s->me.mv_penalty= default_mv_penalty; |
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s->fcode_tab= default_fcode_tab; |
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} |
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|
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/* init video encoder */
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av_cold int MPV_encode_init(AVCodecContext *avctx)
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{
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MpegEncContext *s = avctx->priv_data; |
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int i;
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int chroma_h_shift, chroma_v_shift;
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MPV_encode_defaults(s); |
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|
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switch (avctx->codec_id) {
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case CODEC_ID_MPEG2VIDEO:
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if(avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P){
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av_log(avctx, AV_LOG_ERROR, "only YUV420 and YUV422 are supported\n");
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return -1; |
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} |
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break;
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case CODEC_ID_LJPEG:
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case CODEC_ID_MJPEG:
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if(avctx->pix_fmt != PIX_FMT_YUVJ420P && avctx->pix_fmt != PIX_FMT_YUVJ422P && avctx->pix_fmt != PIX_FMT_RGB32 &&
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((avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P) || avctx->strict_std_compliance>FF_COMPLIANCE_INOFFICIAL)){
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av_log(avctx, AV_LOG_ERROR, "colorspace not supported in jpeg\n");
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return -1; |
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} |
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break;
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default:
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if(avctx->pix_fmt != PIX_FMT_YUV420P){
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av_log(avctx, AV_LOG_ERROR, "only YUV420 is supported\n");
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return -1; |
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} |
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} |
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|
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switch (avctx->pix_fmt) {
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case PIX_FMT_YUVJ422P:
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case PIX_FMT_YUV422P:
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s->chroma_format = CHROMA_422; |
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break;
|
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case PIX_FMT_YUVJ420P:
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case PIX_FMT_YUV420P:
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default:
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s->chroma_format = CHROMA_420; |
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break;
|
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} |
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|
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s->bit_rate = avctx->bit_rate; |
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s->width = avctx->width; |
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s->height = avctx->height; |
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if(avctx->gop_size > 600 && avctx->strict_std_compliance>FF_COMPLIANCE_EXPERIMENTAL){ |
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av_log(avctx, AV_LOG_ERROR, "Warning keyframe interval too large! reducing it ...\n");
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avctx->gop_size=600;
|
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} |
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s->gop_size = avctx->gop_size; |
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s->avctx = avctx; |
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s->flags= avctx->flags; |
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s->flags2= avctx->flags2; |
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s->max_b_frames= avctx->max_b_frames; |
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s->codec_id= avctx->codec->id; |
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s->luma_elim_threshold = avctx->luma_elim_threshold; |
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s->chroma_elim_threshold= avctx->chroma_elim_threshold; |
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s->strict_std_compliance= avctx->strict_std_compliance; |
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s->data_partitioning= avctx->flags & CODEC_FLAG_PART; |
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s->quarter_sample= (avctx->flags & CODEC_FLAG_QPEL)!=0;
|
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s->mpeg_quant= avctx->mpeg_quant; |
| 295 |
s->rtp_mode= !!avctx->rtp_payload_size; |
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s->intra_dc_precision= avctx->intra_dc_precision; |
| 297 |
s->user_specified_pts = AV_NOPTS_VALUE; |
| 298 |
|
| 299 |
if (s->gop_size <= 1) { |
| 300 |
s->intra_only = 1;
|
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s->gop_size = 12;
|
| 302 |
} else {
|
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s->intra_only = 0;
|
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} |
| 305 |
|
| 306 |
s->me_method = avctx->me_method; |
| 307 |
|
| 308 |
/* Fixed QSCALE */
|
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s->fixed_qscale = !!(avctx->flags & CODEC_FLAG_QSCALE); |
| 310 |
|
| 311 |
s->adaptive_quant= ( s->avctx->lumi_masking |
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|| s->avctx->dark_masking |
| 313 |
|| s->avctx->temporal_cplx_masking |
| 314 |
|| s->avctx->spatial_cplx_masking |
| 315 |
|| s->avctx->p_masking |
| 316 |
|| s->avctx->border_masking |
| 317 |
|| (s->flags&CODEC_FLAG_QP_RD)) |
| 318 |
&& !s->fixed_qscale; |
| 319 |
|
| 320 |
s->obmc= !!(s->flags & CODEC_FLAG_OBMC); |
| 321 |
s->loop_filter= !!(s->flags & CODEC_FLAG_LOOP_FILTER); |
| 322 |
s->alternate_scan= !!(s->flags & CODEC_FLAG_ALT_SCAN); |
| 323 |
s->intra_vlc_format= !!(s->flags2 & CODEC_FLAG2_INTRA_VLC); |
| 324 |
s->q_scale_type= !!(s->flags2 & CODEC_FLAG2_NON_LINEAR_QUANT); |
| 325 |
|
| 326 |
if(avctx->rc_max_rate && !avctx->rc_buffer_size){
|
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av_log(avctx, AV_LOG_ERROR, "a vbv buffer size is needed, for encoding with a maximum bitrate\n");
|
| 328 |
return -1; |
| 329 |
} |
| 330 |
|
| 331 |
if(avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate){
|
| 332 |
av_log(avctx, AV_LOG_INFO, "Warning min_rate > 0 but min_rate != max_rate isn't recommended!\n");
|
| 333 |
} |
| 334 |
|
| 335 |
if(avctx->rc_min_rate && avctx->rc_min_rate > avctx->bit_rate){
|
| 336 |
av_log(avctx, AV_LOG_ERROR, "bitrate below min bitrate\n");
|
| 337 |
return -1; |
| 338 |
} |
| 339 |
|
| 340 |
if(avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate){
|
| 341 |
av_log(avctx, AV_LOG_INFO, "bitrate above max bitrate\n");
|
| 342 |
return -1; |
| 343 |
} |
| 344 |
|
| 345 |
if(avctx->rc_max_rate && avctx->rc_max_rate == avctx->bit_rate && avctx->rc_max_rate != avctx->rc_min_rate){
|
| 346 |
av_log(avctx, AV_LOG_INFO, "impossible bitrate constraints, this will fail\n");
|
| 347 |
} |
| 348 |
|
| 349 |
if(avctx->rc_buffer_size && avctx->bit_rate*av_q2d(avctx->time_base) > avctx->rc_buffer_size){
|
| 350 |
av_log(avctx, AV_LOG_ERROR, "VBV buffer too small for bitrate\n");
|
| 351 |
return -1; |
| 352 |
} |
| 353 |
|
| 354 |
if(avctx->bit_rate*av_q2d(avctx->time_base) > avctx->bit_rate_tolerance){
|
| 355 |
av_log(avctx, AV_LOG_ERROR, "bitrate tolerance too small for bitrate\n");
|
| 356 |
return -1; |
| 357 |
} |
| 358 |
|
| 359 |
if( s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate
|
| 360 |
&& (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO) |
| 361 |
&& 90000LL * (avctx->rc_buffer_size-1) > s->avctx->rc_max_rate*0xFFFFLL){ |
| 362 |
|
| 363 |
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");
|
| 364 |
} |
| 365 |
|
| 366 |
if((s->flags & CODEC_FLAG_4MV) && s->codec_id != CODEC_ID_MPEG4
|
| 367 |
&& s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P && s->codec_id != CODEC_ID_FLV1){
|
| 368 |
av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n");
|
| 369 |
return -1; |
| 370 |
} |
| 371 |
|
| 372 |
if(s->obmc && s->avctx->mb_decision != FF_MB_DECISION_SIMPLE){
|
| 373 |
av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with simple mb decision\n");
|
| 374 |
return -1; |
| 375 |
} |
| 376 |
|
| 377 |
if(s->obmc && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P){
|
| 378 |
av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with H263(+)\n");
|
| 379 |
return -1; |
| 380 |
} |
| 381 |
|
| 382 |
if(s->quarter_sample && s->codec_id != CODEC_ID_MPEG4){
|
| 383 |
av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n");
|
| 384 |
return -1; |
| 385 |
} |
| 386 |
|
| 387 |
if(s->data_partitioning && s->codec_id != CODEC_ID_MPEG4){
|
| 388 |
av_log(avctx, AV_LOG_ERROR, "data partitioning not supported by codec\n");
|
| 389 |
return -1; |
| 390 |
} |
| 391 |
|
| 392 |
if(s->max_b_frames && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO){
|
| 393 |
av_log(avctx, AV_LOG_ERROR, "b frames not supported by codec\n");
|
| 394 |
return -1; |
| 395 |
} |
| 396 |
|
| 397 |
if ((s->codec_id == CODEC_ID_MPEG4 || s->codec_id == CODEC_ID_H263 ||
|
| 398 |
s->codec_id == CODEC_ID_H263P) && |
| 399 |
(avctx->sample_aspect_ratio.num > 255 || avctx->sample_aspect_ratio.den > 255)) { |
| 400 |
av_log(avctx, AV_LOG_ERROR, "Invalid pixel aspect ratio %i/%i, limit is 255/255\n",
|
| 401 |
avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den); |
| 402 |
return -1; |
| 403 |
} |
| 404 |
|
| 405 |
if((s->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN))
|
| 406 |
&& s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG2VIDEO){
|
| 407 |
av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n");
|
| 408 |
return -1; |
| 409 |
} |
| 410 |
|
| 411 |
if(s->mpeg_quant && s->codec_id != CODEC_ID_MPEG4){ //FIXME mpeg2 uses that too |
| 412 |
av_log(avctx, AV_LOG_ERROR, "mpeg2 style quantization not supported by codec\n");
|
| 413 |
return -1; |
| 414 |
} |
| 415 |
|
| 416 |
if((s->flags & CODEC_FLAG_CBP_RD) && !avctx->trellis){
|
| 417 |
av_log(avctx, AV_LOG_ERROR, "CBP RD needs trellis quant\n");
|
| 418 |
return -1; |
| 419 |
} |
| 420 |
|
| 421 |
if((s->flags & CODEC_FLAG_QP_RD) && s->avctx->mb_decision != FF_MB_DECISION_RD){
|
| 422 |
av_log(avctx, AV_LOG_ERROR, "QP RD needs mbd=2\n");
|
| 423 |
return -1; |
| 424 |
} |
| 425 |
|
| 426 |
if(s->avctx->scenechange_threshold < 1000000000 && (s->flags & CODEC_FLAG_CLOSED_GOP)){ |
| 427 |
av_log(avctx, AV_LOG_ERROR, "closed gop with scene change detection are not supported yet, set threshold to 1000000000\n");
|
| 428 |
return -1; |
| 429 |
} |
| 430 |
|
| 431 |
if((s->flags2 & CODEC_FLAG2_INTRA_VLC) && s->codec_id != CODEC_ID_MPEG2VIDEO){
|
| 432 |
av_log(avctx, AV_LOG_ERROR, "intra vlc table not supported by codec\n");
|
| 433 |
return -1; |
| 434 |
} |
| 435 |
|
| 436 |
if(s->flags & CODEC_FLAG_LOW_DELAY){
|
| 437 |
if (s->codec_id != CODEC_ID_MPEG2VIDEO){
|
| 438 |
av_log(avctx, AV_LOG_ERROR, "low delay forcing is only available for mpeg2\n");
|
| 439 |
return -1; |
| 440 |
} |
| 441 |
if (s->max_b_frames != 0){ |
| 442 |
av_log(avctx, AV_LOG_ERROR, "b frames cannot be used with low delay\n");
|
| 443 |
return -1; |
| 444 |
} |
| 445 |
} |
| 446 |
|
| 447 |
if(s->q_scale_type == 1){ |
| 448 |
if(s->codec_id != CODEC_ID_MPEG2VIDEO){
|
| 449 |
av_log(avctx, AV_LOG_ERROR, "non linear quant is only available for mpeg2\n");
|
| 450 |
return -1; |
| 451 |
} |
| 452 |
if(avctx->qmax > 12){ |
| 453 |
av_log(avctx, AV_LOG_ERROR, "non linear quant only supports qmax <= 12 currently\n");
|
| 454 |
return -1; |
| 455 |
} |
| 456 |
} |
| 457 |
|
| 458 |
if(s->avctx->thread_count > 1 && s->codec_id != CODEC_ID_MPEG4 |
| 459 |
&& s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO |
| 460 |
&& (s->codec_id != CODEC_ID_H263P || !(s->flags & CODEC_FLAG_H263P_SLICE_STRUCT))){
|
| 461 |
av_log(avctx, AV_LOG_ERROR, "multi threaded encoding not supported by codec\n");
|
| 462 |
return -1; |
| 463 |
} |
| 464 |
|
| 465 |
if(s->avctx->thread_count < 1){ |
| 466 |
av_log(avctx, AV_LOG_ERROR, "automatic thread number detection not supported by codec, patch welcome\n");
|
| 467 |
return -1; |
| 468 |
} |
| 469 |
|
| 470 |
if(s->avctx->thread_count > 1) |
| 471 |
s->rtp_mode= 1;
|
| 472 |
|
| 473 |
if(!avctx->time_base.den || !avctx->time_base.num){
|
| 474 |
av_log(avctx, AV_LOG_ERROR, "framerate not set\n");
|
| 475 |
return -1; |
| 476 |
} |
| 477 |
|
| 478 |
i= (INT_MAX/2+128)>>8; |
| 479 |
if(avctx->me_threshold >= i){
|
| 480 |
av_log(avctx, AV_LOG_ERROR, "me_threshold too large, max is %d\n", i - 1); |
| 481 |
return -1; |
| 482 |
} |
| 483 |
if(avctx->mb_threshold >= i){
|
| 484 |
av_log(avctx, AV_LOG_ERROR, "mb_threshold too large, max is %d\n", i - 1); |
| 485 |
return -1; |
| 486 |
} |
| 487 |
|
| 488 |
if(avctx->b_frame_strategy && (avctx->flags&CODEC_FLAG_PASS2)){
|
| 489 |
av_log(avctx, AV_LOG_INFO, "notice: b_frame_strategy only affects the first pass\n");
|
| 490 |
avctx->b_frame_strategy = 0;
|
| 491 |
} |
| 492 |
|
| 493 |
i= av_gcd(avctx->time_base.den, avctx->time_base.num); |
| 494 |
if(i > 1){ |
| 495 |
av_log(avctx, AV_LOG_INFO, "removing common factors from framerate\n");
|
| 496 |
avctx->time_base.den /= i; |
| 497 |
avctx->time_base.num /= i; |
| 498 |
// return -1;
|
| 499 |
} |
| 500 |
|
| 501 |
if(s->codec_id==CODEC_ID_MJPEG){
|
| 502 |
s->intra_quant_bias= 1<<(QUANT_BIAS_SHIFT-1); //(a + x/2)/x |
| 503 |
s->inter_quant_bias= 0;
|
| 504 |
}else if(s->mpeg_quant || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO){ |
| 505 |
s->intra_quant_bias= 3<<(QUANT_BIAS_SHIFT-3); //(a + x*3/8)/x |
| 506 |
s->inter_quant_bias= 0;
|
| 507 |
}else{
|
| 508 |
s->intra_quant_bias=0;
|
| 509 |
s->inter_quant_bias=-(1<<(QUANT_BIAS_SHIFT-2)); //(a - x/4)/x |
| 510 |
} |
| 511 |
|
| 512 |
if(avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS)
|
| 513 |
s->intra_quant_bias= avctx->intra_quant_bias; |
| 514 |
if(avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS)
|
| 515 |
s->inter_quant_bias= avctx->inter_quant_bias; |
| 516 |
|
| 517 |
avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, &chroma_v_shift); |
| 518 |
|
| 519 |
if(avctx->codec_id == CODEC_ID_MPEG4 && s->avctx->time_base.den > (1<<16)-1){ |
| 520 |
av_log(avctx, AV_LOG_ERROR, "timebase not supported by mpeg 4 standard\n");
|
| 521 |
return -1; |
| 522 |
} |
| 523 |
s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1; |
| 524 |
|
| 525 |
switch(avctx->codec->id) {
|
| 526 |
case CODEC_ID_MPEG1VIDEO:
|
| 527 |
s->out_format = FMT_MPEG1; |
| 528 |
s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY); |
| 529 |
avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1); |
| 530 |
break;
|
| 531 |
case CODEC_ID_MPEG2VIDEO:
|
| 532 |
s->out_format = FMT_MPEG1; |
| 533 |
s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY); |
| 534 |
avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1); |
| 535 |
s->rtp_mode= 1;
|
| 536 |
break;
|
| 537 |
case CODEC_ID_LJPEG:
|
| 538 |
case CODEC_ID_MJPEG:
|
| 539 |
s->out_format = FMT_MJPEG; |
| 540 |
s->intra_only = 1; /* force intra only for jpeg */ |
| 541 |
if(avctx->codec->id == CODEC_ID_LJPEG && avctx->pix_fmt == PIX_FMT_BGRA){
|
| 542 |
s->mjpeg_vsample[0] = s->mjpeg_hsample[0] = |
| 543 |
s->mjpeg_vsample[1] = s->mjpeg_hsample[1] = |
| 544 |
s->mjpeg_vsample[2] = s->mjpeg_hsample[2] = 1; |
| 545 |
}else{
|
| 546 |
s->mjpeg_vsample[0] = 2; |
| 547 |
s->mjpeg_vsample[1] = 2>>chroma_v_shift; |
| 548 |
s->mjpeg_vsample[2] = 2>>chroma_v_shift; |
| 549 |
s->mjpeg_hsample[0] = 2; |
| 550 |
s->mjpeg_hsample[1] = 2>>chroma_h_shift; |
| 551 |
s->mjpeg_hsample[2] = 2>>chroma_h_shift; |
| 552 |
} |
| 553 |
if (!(CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER)
|
| 554 |
|| ff_mjpeg_encode_init(s) < 0)
|
| 555 |
return -1; |
| 556 |
avctx->delay=0;
|
| 557 |
s->low_delay=1;
|
| 558 |
break;
|
| 559 |
case CODEC_ID_H261:
|
| 560 |
if (!CONFIG_H261_ENCODER) return -1; |
| 561 |
if (ff_h261_get_picture_format(s->width, s->height) < 0) { |
| 562 |
av_log(avctx, AV_LOG_ERROR, "The specified picture size of %dx%d is not valid for the H.261 codec.\nValid sizes are 176x144, 352x288\n", s->width, s->height);
|
| 563 |
return -1; |
| 564 |
} |
| 565 |
s->out_format = FMT_H261; |
| 566 |
avctx->delay=0;
|
| 567 |
s->low_delay=1;
|
| 568 |
break;
|
| 569 |
case CODEC_ID_H263:
|
| 570 |
if (!CONFIG_H263_ENCODER) return -1; |
| 571 |
if (h263_get_picture_format(s->width, s->height) == 7) { |
| 572 |
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);
|
| 573 |
return -1; |
| 574 |
} |
| 575 |
s->out_format = FMT_H263; |
| 576 |
s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0; |
| 577 |
avctx->delay=0;
|
| 578 |
s->low_delay=1;
|
| 579 |
break;
|
| 580 |
case CODEC_ID_H263P:
|
| 581 |
s->out_format = FMT_H263; |
| 582 |
s->h263_plus = 1;
|
| 583 |
/* Fx */
|
| 584 |
s->umvplus = (avctx->flags & CODEC_FLAG_H263P_UMV) ? 1:0; |
| 585 |
s->h263_aic= (avctx->flags & CODEC_FLAG_AC_PRED) ? 1:0; |
| 586 |
s->modified_quant= s->h263_aic; |
| 587 |
s->alt_inter_vlc= (avctx->flags & CODEC_FLAG_H263P_AIV) ? 1:0; |
| 588 |
s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0; |
| 589 |
s->loop_filter= (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1:0; |
| 590 |
s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus; |
| 591 |
s->h263_slice_structured= (s->flags & CODEC_FLAG_H263P_SLICE_STRUCT) ? 1:0; |
| 592 |
|
| 593 |
/* /Fx */
|
| 594 |
/* These are just to be sure */
|
| 595 |
avctx->delay=0;
|
| 596 |
s->low_delay=1;
|
| 597 |
break;
|
| 598 |
case CODEC_ID_FLV1:
|
| 599 |
s->out_format = FMT_H263; |
| 600 |
s->h263_flv = 2; /* format = 1; 11-bit codes */ |
| 601 |
s->unrestricted_mv = 1;
|
| 602 |
s->rtp_mode=0; /* don't allow GOB */ |
| 603 |
avctx->delay=0;
|
| 604 |
s->low_delay=1;
|
| 605 |
break;
|
| 606 |
case CODEC_ID_RV10:
|
| 607 |
s->out_format = FMT_H263; |
| 608 |
avctx->delay=0;
|
| 609 |
s->low_delay=1;
|
| 610 |
break;
|
| 611 |
case CODEC_ID_RV20:
|
| 612 |
s->out_format = FMT_H263; |
| 613 |
avctx->delay=0;
|
| 614 |
s->low_delay=1;
|
| 615 |
s->modified_quant=1;
|
| 616 |
s->h263_aic=1;
|
| 617 |
s->h263_plus=1;
|
| 618 |
s->loop_filter=1;
|
| 619 |
s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus; |
| 620 |
break;
|
| 621 |
case CODEC_ID_MPEG4:
|
| 622 |
s->out_format = FMT_H263; |
| 623 |
s->h263_pred = 1;
|
| 624 |
s->unrestricted_mv = 1;
|
| 625 |
s->low_delay= s->max_b_frames ? 0 : 1; |
| 626 |
avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1); |
| 627 |
break;
|
| 628 |
case CODEC_ID_MSMPEG4V1:
|
| 629 |
s->out_format = FMT_H263; |
| 630 |
s->h263_msmpeg4 = 1;
|
| 631 |
s->h263_pred = 1;
|
| 632 |
s->unrestricted_mv = 1;
|
| 633 |
s->msmpeg4_version= 1;
|
| 634 |
avctx->delay=0;
|
| 635 |
s->low_delay=1;
|
| 636 |
break;
|
| 637 |
case CODEC_ID_MSMPEG4V2:
|
| 638 |
s->out_format = FMT_H263; |
| 639 |
s->h263_msmpeg4 = 1;
|
| 640 |
s->h263_pred = 1;
|
| 641 |
s->unrestricted_mv = 1;
|
| 642 |
s->msmpeg4_version= 2;
|
| 643 |
avctx->delay=0;
|
| 644 |
s->low_delay=1;
|
| 645 |
break;
|
| 646 |
case CODEC_ID_MSMPEG4V3:
|
| 647 |
s->out_format = FMT_H263; |
| 648 |
s->h263_msmpeg4 = 1;
|
| 649 |
s->h263_pred = 1;
|
| 650 |
s->unrestricted_mv = 1;
|
| 651 |
s->msmpeg4_version= 3;
|
| 652 |
s->flipflop_rounding=1;
|
| 653 |
avctx->delay=0;
|
| 654 |
s->low_delay=1;
|
| 655 |
break;
|
| 656 |
case CODEC_ID_WMV1:
|
| 657 |
s->out_format = FMT_H263; |
| 658 |
s->h263_msmpeg4 = 1;
|
| 659 |
s->h263_pred = 1;
|
| 660 |
s->unrestricted_mv = 1;
|
| 661 |
s->msmpeg4_version= 4;
|
| 662 |
s->flipflop_rounding=1;
|
| 663 |
avctx->delay=0;
|
| 664 |
s->low_delay=1;
|
| 665 |
break;
|
| 666 |
case CODEC_ID_WMV2:
|
| 667 |
s->out_format = FMT_H263; |
| 668 |
s->h263_msmpeg4 = 1;
|
| 669 |
s->h263_pred = 1;
|
| 670 |
s->unrestricted_mv = 1;
|
| 671 |
s->msmpeg4_version= 5;
|
| 672 |
s->flipflop_rounding=1;
|
| 673 |
avctx->delay=0;
|
| 674 |
s->low_delay=1;
|
| 675 |
break;
|
| 676 |
default:
|
| 677 |
return -1; |
| 678 |
} |
| 679 |
|
| 680 |
avctx->has_b_frames= !s->low_delay; |
| 681 |
|
| 682 |
s->encoding = 1;
|
| 683 |
|
| 684 |
s->progressive_frame= |
| 685 |
s->progressive_sequence= !(avctx->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN)); |
| 686 |
|
| 687 |
/* init */
|
| 688 |
if (MPV_common_init(s) < 0) |
| 689 |
return -1; |
| 690 |
|
| 691 |
if(!s->dct_quantize)
|
| 692 |
s->dct_quantize = dct_quantize_c; |
| 693 |
if(!s->denoise_dct)
|
| 694 |
s->denoise_dct = denoise_dct_c; |
| 695 |
s->fast_dct_quantize = s->dct_quantize; |
| 696 |
if(avctx->trellis)
|
| 697 |
s->dct_quantize = dct_quantize_trellis_c; |
| 698 |
|
| 699 |
if((CONFIG_H263P_ENCODER || CONFIG_RV20_ENCODER) && s->modified_quant)
|
| 700 |
s->chroma_qscale_table= ff_h263_chroma_qscale_table; |
| 701 |
|
| 702 |
s->quant_precision=5;
|
| 703 |
|
| 704 |
ff_set_cmp(&s->dsp, s->dsp.ildct_cmp, s->avctx->ildct_cmp); |
| 705 |
ff_set_cmp(&s->dsp, s->dsp.frame_skip_cmp, s->avctx->frame_skip_cmp); |
| 706 |
|
| 707 |
if (CONFIG_H261_ENCODER && s->out_format == FMT_H261)
|
| 708 |
ff_h261_encode_init(s); |
| 709 |
if (CONFIG_H263_ENCODER && s->out_format == FMT_H263)
|
| 710 |
h263_encode_init(s); |
| 711 |
if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version)
|
| 712 |
ff_msmpeg4_encode_init(s); |
| 713 |
if ((CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
|
| 714 |
&& s->out_format == FMT_MPEG1) |
| 715 |
ff_mpeg1_encode_init(s); |
| 716 |
|
| 717 |
/* init q matrix */
|
| 718 |
for(i=0;i<64;i++) { |
| 719 |
int j= s->dsp.idct_permutation[i];
|
| 720 |
if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->mpeg_quant){
|
| 721 |
s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i]; |
| 722 |
s->inter_matrix[j] = ff_mpeg4_default_non_intra_matrix[i]; |
| 723 |
}else if(s->out_format == FMT_H263 || s->out_format == FMT_H261){ |
| 724 |
s->intra_matrix[j] = |
| 725 |
s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i]; |
| 726 |
}else
|
| 727 |
{ /* mpeg1/2 */
|
| 728 |
s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i]; |
| 729 |
s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i]; |
| 730 |
} |
| 731 |
if(s->avctx->intra_matrix)
|
| 732 |
s->intra_matrix[j] = s->avctx->intra_matrix[i]; |
| 733 |
if(s->avctx->inter_matrix)
|
| 734 |
s->inter_matrix[j] = s->avctx->inter_matrix[i]; |
| 735 |
} |
| 736 |
|
| 737 |
/* precompute matrix */
|
| 738 |
/* for mjpeg, we do include qscale in the matrix */
|
| 739 |
if (s->out_format != FMT_MJPEG) {
|
| 740 |
ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16, |
| 741 |
s->intra_matrix, s->intra_quant_bias, avctx->qmin, 31, 1); |
| 742 |
ff_convert_matrix(&s->dsp, s->q_inter_matrix, s->q_inter_matrix16, |
| 743 |
s->inter_matrix, s->inter_quant_bias, avctx->qmin, 31, 0); |
| 744 |
} |
| 745 |
|
| 746 |
if(ff_rate_control_init(s) < 0) |
| 747 |
return -1; |
| 748 |
|
| 749 |
return 0; |
| 750 |
} |
| 751 |
|
| 752 |
av_cold int MPV_encode_end(AVCodecContext *avctx)
|
| 753 |
{
|
| 754 |
MpegEncContext *s = avctx->priv_data; |
| 755 |
|
| 756 |
ff_rate_control_uninit(s); |
| 757 |
|
| 758 |
MPV_common_end(s); |
| 759 |
if ((CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER) && s->out_format == FMT_MJPEG)
|
| 760 |
ff_mjpeg_encode_close(s); |
| 761 |
|
| 762 |
av_freep(&avctx->extradata); |
| 763 |
|
| 764 |
return 0; |
| 765 |
} |
| 766 |
|
| 767 |
static int get_sae(uint8_t *src, int ref, int stride){ |
| 768 |
int x,y;
|
| 769 |
int acc=0; |
| 770 |
|
| 771 |
for(y=0; y<16; y++){ |
| 772 |
for(x=0; x<16; x++){ |
| 773 |
acc+= FFABS(src[x+y*stride] - ref); |
| 774 |
} |
| 775 |
} |
| 776 |
|
| 777 |
return acc;
|
| 778 |
} |
| 779 |
|
| 780 |
static int get_intra_count(MpegEncContext *s, uint8_t *src, uint8_t *ref, int stride){ |
| 781 |
int x, y, w, h;
|
| 782 |
int acc=0; |
| 783 |
|
| 784 |
w= s->width &~15;
|
| 785 |
h= s->height&~15;
|
| 786 |
|
| 787 |
for(y=0; y<h; y+=16){ |
| 788 |
for(x=0; x<w; x+=16){ |
| 789 |
int offset= x + y*stride;
|
| 790 |
int sad = s->dsp.sad[0](NULL, src + offset, ref + offset, stride, 16); |
| 791 |
int mean= (s->dsp.pix_sum(src + offset, stride) + 128)>>8; |
| 792 |
int sae = get_sae(src + offset, mean, stride);
|
| 793 |
|
| 794 |
acc+= sae + 500 < sad;
|
| 795 |
} |
| 796 |
} |
| 797 |
return acc;
|
| 798 |
} |
| 799 |
|
| 800 |
|
| 801 |
static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg){ |
| 802 |
AVFrame *pic=NULL;
|
| 803 |
int64_t pts; |
| 804 |
int i;
|
| 805 |
const int encoding_delay= s->max_b_frames; |
| 806 |
int direct=1; |
| 807 |
|
| 808 |
if(pic_arg){
|
| 809 |
pts= pic_arg->pts; |
| 810 |
pic_arg->display_picture_number= s->input_picture_number++; |
| 811 |
|
| 812 |
if(pts != AV_NOPTS_VALUE){
|
| 813 |
if(s->user_specified_pts != AV_NOPTS_VALUE){
|
| 814 |
int64_t time= pts; |
| 815 |
int64_t last= s->user_specified_pts; |
| 816 |
|
| 817 |
if(time <= last){
|
| 818 |
av_log(s->avctx, AV_LOG_ERROR, "Error, Invalid timestamp=%"PRId64", last=%"PRId64"\n", pts, s->user_specified_pts); |
| 819 |
return -1; |
| 820 |
} |
| 821 |
} |
| 822 |
s->user_specified_pts= pts; |
| 823 |
}else{
|
| 824 |
if(s->user_specified_pts != AV_NOPTS_VALUE){
|
| 825 |
s->user_specified_pts= |
| 826 |
pts= s->user_specified_pts + 1;
|
| 827 |
av_log(s->avctx, AV_LOG_INFO, "Warning: AVFrame.pts=? trying to guess (%"PRId64")\n", pts); |
| 828 |
}else{
|
| 829 |
pts= pic_arg->display_picture_number; |
| 830 |
} |
| 831 |
} |
| 832 |
} |
| 833 |
|
| 834 |
if(pic_arg){
|
| 835 |
if(encoding_delay && !(s->flags&CODEC_FLAG_INPUT_PRESERVED)) direct=0; |
| 836 |
if(pic_arg->linesize[0] != s->linesize) direct=0; |
| 837 |
if(pic_arg->linesize[1] != s->uvlinesize) direct=0; |
| 838 |
if(pic_arg->linesize[2] != s->uvlinesize) direct=0; |
| 839 |
|
| 840 |
// av_log(AV_LOG_DEBUG, "%d %d %d %d\n",pic_arg->linesize[0], pic_arg->linesize[1], s->linesize, s->uvlinesize);
|
| 841 |
|
| 842 |
if(direct){
|
| 843 |
i= ff_find_unused_picture(s, 1);
|
| 844 |
|
| 845 |
pic= (AVFrame*)&s->picture[i]; |
| 846 |
pic->reference= 3;
|
| 847 |
|
| 848 |
for(i=0; i<4; i++){ |
| 849 |
pic->data[i]= pic_arg->data[i]; |
| 850 |
pic->linesize[i]= pic_arg->linesize[i]; |
| 851 |
} |
| 852 |
ff_alloc_picture(s, (Picture*)pic, 1);
|
| 853 |
}else{
|
| 854 |
i= ff_find_unused_picture(s, 0);
|
| 855 |
|
| 856 |
pic= (AVFrame*)&s->picture[i]; |
| 857 |
pic->reference= 3;
|
| 858 |
|
| 859 |
ff_alloc_picture(s, (Picture*)pic, 0);
|
| 860 |
|
| 861 |
if( pic->data[0] + INPLACE_OFFSET == pic_arg->data[0] |
| 862 |
&& pic->data[1] + INPLACE_OFFSET == pic_arg->data[1] |
| 863 |
&& pic->data[2] + INPLACE_OFFSET == pic_arg->data[2]){ |
| 864 |
// empty
|
| 865 |
}else{
|
| 866 |
int h_chroma_shift, v_chroma_shift;
|
| 867 |
avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift); |
| 868 |
|
| 869 |
for(i=0; i<3; i++){ |
| 870 |
int src_stride= pic_arg->linesize[i];
|
| 871 |
int dst_stride= i ? s->uvlinesize : s->linesize;
|
| 872 |
int h_shift= i ? h_chroma_shift : 0; |
| 873 |
int v_shift= i ? v_chroma_shift : 0; |
| 874 |
int w= s->width >>h_shift;
|
| 875 |
int h= s->height>>v_shift;
|
| 876 |
uint8_t *src= pic_arg->data[i]; |
| 877 |
uint8_t *dst= pic->data[i]; |
| 878 |
|
| 879 |
if(!s->avctx->rc_buffer_size)
|
| 880 |
dst +=INPLACE_OFFSET; |
| 881 |
|
| 882 |
if(src_stride==dst_stride)
|
| 883 |
memcpy(dst, src, src_stride*h); |
| 884 |
else{
|
| 885 |
while(h--){
|
| 886 |
memcpy(dst, src, w); |
| 887 |
dst += dst_stride; |
| 888 |
src += src_stride; |
| 889 |
} |
| 890 |
} |
| 891 |
} |
| 892 |
} |
| 893 |
} |
| 894 |
copy_picture_attributes(s, pic, pic_arg); |
| 895 |
pic->pts= pts; //we set this here to avoid modifiying pic_arg
|
| 896 |
} |
| 897 |
|
| 898 |
/* shift buffer entries */
|
| 899 |
for(i=1; i<MAX_PICTURE_COUNT /*s->encoding_delay+1*/; i++) |
| 900 |
s->input_picture[i-1]= s->input_picture[i];
|
| 901 |
|
| 902 |
s->input_picture[encoding_delay]= (Picture*)pic; |
| 903 |
|
| 904 |
return 0; |
| 905 |
} |
| 906 |
|
| 907 |
static int skip_check(MpegEncContext *s, Picture *p, Picture *ref){ |
| 908 |
int x, y, plane;
|
| 909 |
int score=0; |
| 910 |
int64_t score64=0;
|
| 911 |
|
| 912 |
for(plane=0; plane<3; plane++){ |
| 913 |
const int stride= p->linesize[plane]; |
| 914 |
const int bw= plane ? 1 : 2; |
| 915 |
for(y=0; y<s->mb_height*bw; y++){ |
| 916 |
for(x=0; x<s->mb_width*bw; x++){ |
| 917 |
int off= p->type == FF_BUFFER_TYPE_SHARED ? 0: 16; |
| 918 |
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); |
| 919 |
|
| 920 |
switch(s->avctx->frame_skip_exp){
|
| 921 |
case 0: score= FFMAX(score, v); break; |
| 922 |
case 1: score+= FFABS(v);break; |
| 923 |
case 2: score+= v*v;break; |
| 924 |
case 3: score64+= FFABS(v*v*(int64_t)v);break; |
| 925 |
case 4: score64+= v*v*(int64_t)(v*v);break; |
| 926 |
} |
| 927 |
} |
| 928 |
} |
| 929 |
} |
| 930 |
|
| 931 |
if(score) score64= score;
|
| 932 |
|
| 933 |
if(score64 < s->avctx->frame_skip_threshold)
|
| 934 |
return 1; |
| 935 |
if(score64 < ((s->avctx->frame_skip_factor * (int64_t)s->lambda)>>8)) |
| 936 |
return 1; |
| 937 |
return 0; |
| 938 |
} |
| 939 |
|
| 940 |
static int estimate_best_b_count(MpegEncContext *s){ |
| 941 |
AVCodec *codec= avcodec_find_encoder(s->avctx->codec_id); |
| 942 |
AVCodecContext *c= avcodec_alloc_context(); |
| 943 |
AVFrame input[FF_MAX_B_FRAMES+2];
|
| 944 |
const int scale= s->avctx->brd_scale; |
| 945 |
int i, j, out_size, p_lambda, b_lambda, lambda2;
|
| 946 |
int outbuf_size= s->width * s->height; //FIXME |
| 947 |
uint8_t *outbuf= av_malloc(outbuf_size); |
| 948 |
int64_t best_rd= INT64_MAX; |
| 949 |
int best_b_count= -1; |
| 950 |
|
| 951 |
assert(scale>=0 && scale <=3); |
| 952 |
|
| 953 |
// emms_c();
|
| 954 |
p_lambda= s->last_lambda_for[FF_P_TYPE]; //s->next_picture_ptr->quality;
|
| 955 |
b_lambda= s->last_lambda_for[FF_B_TYPE]; //p_lambda *FFABS(s->avctx->b_quant_factor) + s->avctx->b_quant_offset;
|
| 956 |
if(!b_lambda) b_lambda= p_lambda; //FIXME we should do this somewhere else |
| 957 |
lambda2= (b_lambda*b_lambda + (1<<FF_LAMBDA_SHIFT)/2 ) >> FF_LAMBDA_SHIFT; |
| 958 |
|
| 959 |
c->width = s->width >> scale; |
| 960 |
c->height= s->height>> scale; |
| 961 |
c->flags= CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR | CODEC_FLAG_INPUT_PRESERVED /*| CODEC_FLAG_EMU_EDGE*/;
|
| 962 |
c->flags|= s->avctx->flags & CODEC_FLAG_QPEL; |
| 963 |
c->mb_decision= s->avctx->mb_decision; |
| 964 |
c->me_cmp= s->avctx->me_cmp; |
| 965 |
c->mb_cmp= s->avctx->mb_cmp; |
| 966 |
c->me_sub_cmp= s->avctx->me_sub_cmp; |
| 967 |
c->pix_fmt = PIX_FMT_YUV420P; |
| 968 |
c->time_base= s->avctx->time_base; |
| 969 |
c->max_b_frames= s->max_b_frames; |
| 970 |
|
| 971 |
if (avcodec_open(c, codec) < 0) |
| 972 |
return -1; |
| 973 |
|
| 974 |
for(i=0; i<s->max_b_frames+2; i++){ |
| 975 |
int ysize= c->width*c->height;
|
| 976 |
int csize= (c->width/2)*(c->height/2); |
| 977 |
Picture pre_input, *pre_input_ptr= i ? s->input_picture[i-1] : s->next_picture_ptr;
|
| 978 |
|
| 979 |
avcodec_get_frame_defaults(&input[i]); |
| 980 |
input[i].data[0]= av_malloc(ysize + 2*csize); |
| 981 |
input[i].data[1]= input[i].data[0] + ysize; |
| 982 |
input[i].data[2]= input[i].data[1] + csize; |
| 983 |
input[i].linesize[0]= c->width;
|
| 984 |
input[i].linesize[1]=
|
| 985 |
input[i].linesize[2]= c->width/2; |
| 986 |
|
| 987 |
if(pre_input_ptr && (!i || s->input_picture[i-1])) { |
| 988 |
pre_input= *pre_input_ptr; |
| 989 |
|
| 990 |
if(pre_input.type != FF_BUFFER_TYPE_SHARED && i) {
|
| 991 |
pre_input.data[0]+=INPLACE_OFFSET;
|
| 992 |
pre_input.data[1]+=INPLACE_OFFSET;
|
| 993 |
pre_input.data[2]+=INPLACE_OFFSET;
|
| 994 |
} |
| 995 |
|
| 996 |
s->dsp.shrink[scale](input[i].data[0], input[i].linesize[0], pre_input.data[0], pre_input.linesize[0], c->width, c->height); |
| 997 |
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); |
| 998 |
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); |
| 999 |
} |
| 1000 |
} |
| 1001 |
|
| 1002 |
for(j=0; j<s->max_b_frames+1; j++){ |
| 1003 |
int64_t rd=0;
|
| 1004 |
|
| 1005 |
if(!s->input_picture[j])
|
| 1006 |
break;
|
| 1007 |
|
| 1008 |
c->error[0]= c->error[1]= c->error[2]= 0; |
| 1009 |
|
| 1010 |
input[0].pict_type= FF_I_TYPE;
|
| 1011 |
input[0].quality= 1 * FF_QP2LAMBDA; |
| 1012 |
out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[0]);
|
| 1013 |
// rd += (out_size * lambda2) >> FF_LAMBDA_SHIFT;
|
| 1014 |
|
| 1015 |
for(i=0; i<s->max_b_frames+1; i++){ |
| 1016 |
int is_p= i % (j+1) == j || i==s->max_b_frames; |
| 1017 |
|
| 1018 |
input[i+1].pict_type= is_p ? FF_P_TYPE : FF_B_TYPE;
|
| 1019 |
input[i+1].quality= is_p ? p_lambda : b_lambda;
|
| 1020 |
out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[i+1]);
|
| 1021 |
rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
|
| 1022 |
} |
| 1023 |
|
| 1024 |
/* get the delayed frames */
|
| 1025 |
while(out_size){
|
| 1026 |
out_size = avcodec_encode_video(c, outbuf, outbuf_size, NULL);
|
| 1027 |
rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
|
| 1028 |
} |
| 1029 |
|
| 1030 |
rd += c->error[0] + c->error[1] + c->error[2]; |
| 1031 |
|
| 1032 |
if(rd < best_rd){
|
| 1033 |
best_rd= rd; |
| 1034 |
best_b_count= j; |
| 1035 |
} |
| 1036 |
} |
| 1037 |
|
| 1038 |
av_freep(&outbuf); |
| 1039 |
avcodec_close(c); |
| 1040 |
av_freep(&c); |
| 1041 |
|
| 1042 |
for(i=0; i<s->max_b_frames+2; i++){ |
| 1043 |
av_freep(&input[i].data[0]);
|
| 1044 |
} |
| 1045 |
|
| 1046 |
return best_b_count;
|
| 1047 |
} |
| 1048 |
|
| 1049 |
static void select_input_picture(MpegEncContext *s){ |
| 1050 |
int i;
|
| 1051 |
|
| 1052 |
for(i=1; i<MAX_PICTURE_COUNT; i++) |
| 1053 |
s->reordered_input_picture[i-1]= s->reordered_input_picture[i];
|
| 1054 |
s->reordered_input_picture[MAX_PICTURE_COUNT-1]= NULL; |
| 1055 |
|
| 1056 |
/* set next picture type & ordering */
|
| 1057 |
if(s->reordered_input_picture[0]==NULL && s->input_picture[0]){ |
| 1058 |
if(/*s->picture_in_gop_number >= s->gop_size ||*/ s->next_picture_ptr==NULL || s->intra_only){ |
| 1059 |
s->reordered_input_picture[0]= s->input_picture[0]; |
| 1060 |
s->reordered_input_picture[0]->pict_type= FF_I_TYPE;
|
| 1061 |
s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
|
| 1062 |
}else{
|
| 1063 |
int b_frames;
|
| 1064 |
|
| 1065 |
if(s->avctx->frame_skip_threshold || s->avctx->frame_skip_factor){
|
| 1066 |
if(s->picture_in_gop_number < s->gop_size && skip_check(s, s->input_picture[0], s->next_picture_ptr)){ |
| 1067 |
//FIXME check that te gop check above is +-1 correct
|
| 1068 |
//av_log(NULL, AV_LOG_DEBUG, "skip %p %"PRId64"\n", s->input_picture[0]->data[0], s->input_picture[0]->pts);
|
| 1069 |
|
| 1070 |
if(s->input_picture[0]->type == FF_BUFFER_TYPE_SHARED){ |
| 1071 |
for(i=0; i<4; i++) |
| 1072 |
s->input_picture[0]->data[i]= NULL; |
| 1073 |
s->input_picture[0]->type= 0; |
| 1074 |
}else{
|
| 1075 |
assert( s->input_picture[0]->type==FF_BUFFER_TYPE_USER
|
| 1076 |
|| s->input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
|
| 1077 |
|
| 1078 |
s->avctx->release_buffer(s->avctx, (AVFrame*)s->input_picture[0]);
|
| 1079 |
} |
| 1080 |
|
| 1081 |
emms_c(); |
| 1082 |
ff_vbv_update(s, 0);
|
| 1083 |
|
| 1084 |
goto no_output_pic;
|
| 1085 |
} |
| 1086 |
} |
| 1087 |
|
| 1088 |
if(s->flags&CODEC_FLAG_PASS2){
|
| 1089 |
for(i=0; i<s->max_b_frames+1; i++){ |
| 1090 |
int pict_num= s->input_picture[0]->display_picture_number + i; |
| 1091 |
|
| 1092 |
if(pict_num >= s->rc_context.num_entries)
|
| 1093 |
break;
|
| 1094 |
if(!s->input_picture[i]){
|
| 1095 |
s->rc_context.entry[pict_num-1].new_pict_type = FF_P_TYPE;
|
| 1096 |
break;
|
| 1097 |
} |
| 1098 |
|
| 1099 |
s->input_picture[i]->pict_type= |
| 1100 |
s->rc_context.entry[pict_num].new_pict_type; |
| 1101 |
} |
| 1102 |
} |
| 1103 |
|
| 1104 |
if(s->avctx->b_frame_strategy==0){ |
| 1105 |
b_frames= s->max_b_frames; |
| 1106 |
while(b_frames && !s->input_picture[b_frames]) b_frames--;
|
| 1107 |
}else if(s->avctx->b_frame_strategy==1){ |
| 1108 |
for(i=1; i<s->max_b_frames+1; i++){ |
| 1109 |
if(s->input_picture[i] && s->input_picture[i]->b_frame_score==0){ |
| 1110 |
s->input_picture[i]->b_frame_score= |
| 1111 |
get_intra_count(s, s->input_picture[i ]->data[0],
|
| 1112 |
s->input_picture[i-1]->data[0], s->linesize) + 1; |
| 1113 |
} |
| 1114 |
} |
| 1115 |
for(i=0; i<s->max_b_frames+1; i++){ |
| 1116 |
if(s->input_picture[i]==NULL || s->input_picture[i]->b_frame_score - 1 > s->mb_num/s->avctx->b_sensitivity) break; |
| 1117 |
} |
| 1118 |
|
| 1119 |
b_frames= FFMAX(0, i-1); |
| 1120 |
|
| 1121 |
/* reset scores */
|
| 1122 |
for(i=0; i<b_frames+1; i++){ |
| 1123 |
s->input_picture[i]->b_frame_score=0;
|
| 1124 |
} |
| 1125 |
}else if(s->avctx->b_frame_strategy==2){ |
| 1126 |
b_frames= estimate_best_b_count(s); |
| 1127 |
}else{
|
| 1128 |
av_log(s->avctx, AV_LOG_ERROR, "illegal b frame strategy\n");
|
| 1129 |
b_frames=0;
|
| 1130 |
} |
| 1131 |
|
| 1132 |
emms_c(); |
| 1133 |
//static int b_count=0;
|
| 1134 |
//b_count+= b_frames;
|
| 1135 |
//av_log(s->avctx, AV_LOG_DEBUG, "b_frames: %d\n", b_count);
|
| 1136 |
|
| 1137 |
for(i= b_frames - 1; i>=0; i--){ |
| 1138 |
int type= s->input_picture[i]->pict_type;
|
| 1139 |
if(type && type != FF_B_TYPE)
|
| 1140 |
b_frames= i; |
| 1141 |
} |
| 1142 |
if(s->input_picture[b_frames]->pict_type == FF_B_TYPE && b_frames == s->max_b_frames){
|
| 1143 |
av_log(s->avctx, AV_LOG_ERROR, "warning, too many b frames in a row\n");
|
| 1144 |
} |
| 1145 |
|
| 1146 |
if(s->picture_in_gop_number + b_frames >= s->gop_size){
|
| 1147 |
if((s->flags2 & CODEC_FLAG2_STRICT_GOP) && s->gop_size > s->picture_in_gop_number){
|
| 1148 |
b_frames= s->gop_size - s->picture_in_gop_number - 1;
|
| 1149 |
}else{
|
| 1150 |
if(s->flags & CODEC_FLAG_CLOSED_GOP)
|
| 1151 |
b_frames=0;
|
| 1152 |
s->input_picture[b_frames]->pict_type= FF_I_TYPE; |
| 1153 |
} |
| 1154 |
} |
| 1155 |
|
| 1156 |
if( (s->flags & CODEC_FLAG_CLOSED_GOP)
|
| 1157 |
&& b_frames |
| 1158 |
&& s->input_picture[b_frames]->pict_type== FF_I_TYPE) |
| 1159 |
b_frames--; |
| 1160 |
|
| 1161 |
s->reordered_input_picture[0]= s->input_picture[b_frames];
|
| 1162 |
if(s->reordered_input_picture[0]->pict_type != FF_I_TYPE) |
| 1163 |
s->reordered_input_picture[0]->pict_type= FF_P_TYPE;
|
| 1164 |
s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
|
| 1165 |
for(i=0; i<b_frames; i++){ |
| 1166 |
s->reordered_input_picture[i+1]= s->input_picture[i];
|
| 1167 |
s->reordered_input_picture[i+1]->pict_type= FF_B_TYPE;
|
| 1168 |
s->reordered_input_picture[i+1]->coded_picture_number= s->coded_picture_number++;
|
| 1169 |
} |
| 1170 |
} |
| 1171 |
} |
| 1172 |
no_output_pic:
|
| 1173 |
if(s->reordered_input_picture[0]){ |
| 1174 |
s->reordered_input_picture[0]->reference= s->reordered_input_picture[0]->pict_type!=FF_B_TYPE ? 3 : 0; |
| 1175 |
|
| 1176 |
ff_copy_picture(&s->new_picture, s->reordered_input_picture[0]);
|
| 1177 |
|
| 1178 |
if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_SHARED || s->avctx->rc_buffer_size){ |
| 1179 |
// input is a shared pix, so we can't modifiy it -> alloc a new one & ensure that the shared one is reuseable
|
| 1180 |
|
| 1181 |
int i= ff_find_unused_picture(s, 0); |
| 1182 |
Picture *pic= &s->picture[i]; |
| 1183 |
|
| 1184 |
pic->reference = s->reordered_input_picture[0]->reference;
|
| 1185 |
ff_alloc_picture(s, pic, 0);
|
| 1186 |
|
| 1187 |
/* mark us unused / free shared pic */
|
| 1188 |
if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_INTERNAL) |
| 1189 |
s->avctx->release_buffer(s->avctx, (AVFrame*)s->reordered_input_picture[0]);
|
| 1190 |
for(i=0; i<4; i++) |
| 1191 |
s->reordered_input_picture[0]->data[i]= NULL; |
| 1192 |
s->reordered_input_picture[0]->type= 0; |
| 1193 |
|
| 1194 |
copy_picture_attributes(s, (AVFrame*)pic, (AVFrame*)s->reordered_input_picture[0]);
|
| 1195 |
|
| 1196 |
s->current_picture_ptr= pic; |
| 1197 |
}else{
|
| 1198 |
// input is not a shared pix -> reuse buffer for current_pix
|
| 1199 |
|
| 1200 |
assert( s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_USER
|
| 1201 |
|| s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
|
| 1202 |
|
| 1203 |
s->current_picture_ptr= s->reordered_input_picture[0];
|
| 1204 |
for(i=0; i<4; i++){ |
| 1205 |
s->new_picture.data[i]+= INPLACE_OFFSET; |
| 1206 |
} |
| 1207 |
} |
| 1208 |
ff_copy_picture(&s->current_picture, s->current_picture_ptr); |
| 1209 |
|
| 1210 |
s->picture_number= s->new_picture.display_picture_number; |
| 1211 |
//printf("dpn:%d\n", s->picture_number);
|
| 1212 |
}else{
|
| 1213 |
memset(&s->new_picture, 0, sizeof(Picture)); |
| 1214 |
} |
| 1215 |
} |
| 1216 |
|
| 1217 |
int MPV_encode_picture(AVCodecContext *avctx,
|
| 1218 |
unsigned char *buf, int buf_size, void *data) |
| 1219 |
{
|
| 1220 |
MpegEncContext *s = avctx->priv_data; |
| 1221 |
AVFrame *pic_arg = data; |
| 1222 |
int i, stuffing_count;
|
| 1223 |
|
| 1224 |
for(i=0; i<avctx->thread_count; i++){ |
| 1225 |
int start_y= s->thread_context[i]->start_mb_y;
|
| 1226 |
int end_y= s->thread_context[i]-> end_mb_y;
|
| 1227 |
int h= s->mb_height;
|
| 1228 |
uint8_t *start= buf + (size_t)(((int64_t) buf_size)*start_y/h); |
| 1229 |
uint8_t *end = buf + (size_t)(((int64_t) buf_size)* end_y/h); |
| 1230 |
|
| 1231 |
init_put_bits(&s->thread_context[i]->pb, start, end - start); |
| 1232 |
} |
| 1233 |
|
| 1234 |
s->picture_in_gop_number++; |
| 1235 |
|
| 1236 |
if(load_input_picture(s, pic_arg) < 0) |
| 1237 |
return -1; |
| 1238 |
|
| 1239 |
select_input_picture(s); |
| 1240 |
|
| 1241 |
/* output? */
|
| 1242 |
if(s->new_picture.data[0]){ |
| 1243 |
s->pict_type= s->new_picture.pict_type; |
| 1244 |
//emms_c();
|
| 1245 |
//printf("qs:%f %f %d\n", s->new_picture.quality, s->current_picture.quality, s->qscale);
|
| 1246 |
MPV_frame_start(s, avctx); |
| 1247 |
vbv_retry:
|
| 1248 |
if (encode_picture(s, s->picture_number) < 0) |
| 1249 |
return -1; |
| 1250 |
|
| 1251 |
avctx->header_bits = s->header_bits; |
| 1252 |
avctx->mv_bits = s->mv_bits; |
| 1253 |
avctx->misc_bits = s->misc_bits; |
| 1254 |
avctx->i_tex_bits = s->i_tex_bits; |
| 1255 |
avctx->p_tex_bits = s->p_tex_bits; |
| 1256 |
avctx->i_count = s->i_count; |
| 1257 |
avctx->p_count = s->mb_num - s->i_count - s->skip_count; //FIXME f/b_count in avctx
|
| 1258 |
avctx->skip_count = s->skip_count; |
| 1259 |
|
| 1260 |
MPV_frame_end(s); |
| 1261 |
|
| 1262 |
if (CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG)
|
| 1263 |
ff_mjpeg_encode_picture_trailer(s); |
| 1264 |
|
| 1265 |
if(avctx->rc_buffer_size){
|
| 1266 |
RateControlContext *rcc= &s->rc_context; |
| 1267 |
int max_size= rcc->buffer_index * avctx->rc_max_available_vbv_use;
|
| 1268 |
|
| 1269 |
if(put_bits_count(&s->pb) > max_size && s->lambda < s->avctx->lmax){
|
| 1270 |
s->next_lambda= FFMAX(s->lambda+1, s->lambda*(s->qscale+1) / s->qscale); |
| 1271 |
if(s->adaptive_quant){
|
| 1272 |
int i;
|
| 1273 |
for(i=0; i<s->mb_height*s->mb_stride; i++) |
| 1274 |
s->lambda_table[i]= FFMAX(s->lambda_table[i]+1, s->lambda_table[i]*(s->qscale+1) / s->qscale); |
| 1275 |
} |
| 1276 |
s->mb_skipped = 0; //done in MPV_frame_start() |
| 1277 |
if(s->pict_type==FF_P_TYPE){ //done in encode_picture() so we must undo it |
| 1278 |
if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
|
| 1279 |
s->no_rounding ^= 1;
|
| 1280 |
} |
| 1281 |
if(s->pict_type!=FF_B_TYPE){
|
| 1282 |
s->time_base= s->last_time_base; |
| 1283 |
s->last_non_b_time= s->time - s->pp_time; |
| 1284 |
} |
| 1285 |
// av_log(NULL, AV_LOG_ERROR, "R:%d ", s->next_lambda);
|
| 1286 |
for(i=0; i<avctx->thread_count; i++){ |
| 1287 |
PutBitContext *pb= &s->thread_context[i]->pb; |
| 1288 |
init_put_bits(pb, pb->buf, pb->buf_end - pb->buf); |
| 1289 |
} |
| 1290 |
goto vbv_retry;
|
| 1291 |
} |
| 1292 |
|
| 1293 |
assert(s->avctx->rc_max_rate); |
| 1294 |
} |
| 1295 |
|
| 1296 |
if(s->flags&CODEC_FLAG_PASS1)
|
| 1297 |
ff_write_pass1_stats(s); |
| 1298 |
|
| 1299 |
for(i=0; i<4; i++){ |
| 1300 |
s->current_picture_ptr->error[i]= s->current_picture.error[i]; |
| 1301 |
avctx->error[i] += s->current_picture_ptr->error[i]; |
| 1302 |
} |
| 1303 |
|
| 1304 |
if(s->flags&CODEC_FLAG_PASS1)
|
| 1305 |
assert(avctx->header_bits + avctx->mv_bits + avctx->misc_bits + avctx->i_tex_bits + avctx->p_tex_bits == put_bits_count(&s->pb)); |
| 1306 |
flush_put_bits(&s->pb); |
| 1307 |
s->frame_bits = put_bits_count(&s->pb); |
| 1308 |
|
| 1309 |
stuffing_count= ff_vbv_update(s, s->frame_bits); |
| 1310 |
if(stuffing_count){
|
| 1311 |
if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < stuffing_count + 50){ |
| 1312 |
av_log(s->avctx, AV_LOG_ERROR, "stuffing too large\n");
|
| 1313 |
return -1; |
| 1314 |
} |
| 1315 |
|
| 1316 |
switch(s->codec_id){
|
| 1317 |
case CODEC_ID_MPEG1VIDEO:
|
| 1318 |
case CODEC_ID_MPEG2VIDEO:
|
| 1319 |
while(stuffing_count--){
|
| 1320 |
put_bits(&s->pb, 8, 0); |
| 1321 |
} |
| 1322 |
break;
|
| 1323 |
case CODEC_ID_MPEG4:
|
| 1324 |
put_bits(&s->pb, 16, 0); |
| 1325 |
put_bits(&s->pb, 16, 0x1C3); |
| 1326 |
stuffing_count -= 4;
|
| 1327 |
while(stuffing_count--){
|
| 1328 |
put_bits(&s->pb, 8, 0xFF); |
| 1329 |
} |
| 1330 |
break;
|
| 1331 |
default:
|
| 1332 |
av_log(s->avctx, AV_LOG_ERROR, "vbv buffer overflow\n");
|
| 1333 |
} |
| 1334 |
flush_put_bits(&s->pb); |
| 1335 |
s->frame_bits = put_bits_count(&s->pb); |
| 1336 |
} |
| 1337 |
|
| 1338 |
/* update mpeg1/2 vbv_delay for CBR */
|
| 1339 |
if(s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate && s->out_format == FMT_MPEG1
|
| 1340 |
&& 90000LL * (avctx->rc_buffer_size-1) <= s->avctx->rc_max_rate*0xFFFFLL){ |
| 1341 |
int vbv_delay, min_delay;
|
| 1342 |
double inbits = s->avctx->rc_max_rate*av_q2d(s->avctx->time_base);
|
| 1343 |
int minbits= s->frame_bits - 8*(s->vbv_delay_ptr - s->pb.buf - 1); |
| 1344 |
double bits = s->rc_context.buffer_index + minbits - inbits;
|
| 1345 |
|
| 1346 |
if(bits<0) |
| 1347 |
av_log(s->avctx, AV_LOG_ERROR, "Internal error, negative bits\n");
|
| 1348 |
|
| 1349 |
assert(s->repeat_first_field==0);
|
| 1350 |
|
| 1351 |
vbv_delay= bits * 90000 / s->avctx->rc_max_rate;
|
| 1352 |
min_delay= (minbits * 90000LL + s->avctx->rc_max_rate - 1)/ s->avctx->rc_max_rate; |
| 1353 |
|
| 1354 |
vbv_delay= FFMAX(vbv_delay, min_delay); |
| 1355 |
|
| 1356 |
assert(vbv_delay < 0xFFFF);
|
| 1357 |
|
| 1358 |
s->vbv_delay_ptr[0] &= 0xF8; |
| 1359 |
s->vbv_delay_ptr[0] |= vbv_delay>>13; |
| 1360 |
s->vbv_delay_ptr[1] = vbv_delay>>5; |
| 1361 |
s->vbv_delay_ptr[2] &= 0x07; |
| 1362 |
s->vbv_delay_ptr[2] |= vbv_delay<<3; |
| 1363 |
} |
| 1364 |
s->total_bits += s->frame_bits; |
| 1365 |
avctx->frame_bits = s->frame_bits; |
| 1366 |
}else{
|
| 1367 |
assert((put_bits_ptr(&s->pb) == s->pb.buf)); |
| 1368 |
s->frame_bits=0;
|
| 1369 |
} |
| 1370 |
assert((s->frame_bits&7)==0); |
| 1371 |
|
| 1372 |
return s->frame_bits/8; |
| 1373 |
} |
| 1374 |
|
| 1375 |
static inline void dct_single_coeff_elimination(MpegEncContext *s, int n, int threshold) |
| 1376 |
{
|
| 1377 |
static const char tab[64]= |
| 1378 |
{3,2,2,1,1,1,1,1,
|
| 1379 |
1,1,1,1,1,1,1,1, |
| 1380 |
1,1,1,1,1,1,1,1, |
| 1381 |
0,0,0,0,0,0,0,0, |
| 1382 |
0,0,0,0,0,0,0,0, |
| 1383 |
0,0,0,0,0,0,0,0, |
| 1384 |
0,0,0,0,0,0,0,0, |
| 1385 |
0,0,0,0,0,0,0,0}; |
| 1386 |
int score=0; |
| 1387 |
int run=0; |
| 1388 |
int i;
|
| 1389 |
DCTELEM *block= s->block[n]; |
| 1390 |
const int last_index= s->block_last_index[n]; |
| 1391 |
int skip_dc;
|
| 1392 |
|
| 1393 |
if(threshold<0){ |
| 1394 |
skip_dc=0;
|
| 1395 |
threshold= -threshold; |
| 1396 |
}else
|
| 1397 |
skip_dc=1;
|
| 1398 |
|
| 1399 |
/* Are all we could set to zero already zero? */
|
| 1400 |
if(last_index<=skip_dc - 1) return; |
| 1401 |
|
| 1402 |
for(i=0; i<=last_index; i++){ |
| 1403 |
const int j = s->intra_scantable.permutated[i]; |
| 1404 |
const int level = FFABS(block[j]); |
| 1405 |
if(level==1){ |
| 1406 |
if(skip_dc && i==0) continue; |
| 1407 |
score+= tab[run]; |
| 1408 |
run=0;
|
| 1409 |
}else if(level>1){ |
| 1410 |
return;
|
| 1411 |
}else{
|
| 1412 |
run++; |
| 1413 |
} |
| 1414 |
} |
| 1415 |
if(score >= threshold) return; |
| 1416 |
for(i=skip_dc; i<=last_index; i++){
|
| 1417 |
const int j = s->intra_scantable.permutated[i]; |
| 1418 |
block[j]=0;
|
| 1419 |
} |
| 1420 |
if(block[0]) s->block_last_index[n]= 0; |
| 1421 |
else s->block_last_index[n]= -1; |
| 1422 |
} |
| 1423 |
|
| 1424 |
static inline void clip_coeffs(MpegEncContext *s, DCTELEM *block, int last_index) |
| 1425 |
{
|
| 1426 |
int i;
|
| 1427 |
const int maxlevel= s->max_qcoeff; |
| 1428 |
const int minlevel= s->min_qcoeff; |
| 1429 |
int overflow=0; |
| 1430 |
|
| 1431 |
if(s->mb_intra){
|
| 1432 |
i=1; //skip clipping of intra dc |
| 1433 |
}else
|
| 1434 |
i=0;
|
| 1435 |
|
| 1436 |
for(;i<=last_index; i++){
|
| 1437 |
const int j= s->intra_scantable.permutated[i]; |
| 1438 |
int level = block[j];
|
| 1439 |
|
| 1440 |
if (level>maxlevel){
|
| 1441 |
level=maxlevel; |
| 1442 |
overflow++; |
| 1443 |
}else if(level<minlevel){ |
| 1444 |
level=minlevel; |
| 1445 |
overflow++; |
| 1446 |
} |
| 1447 |
|
| 1448 |
block[j]= level; |
| 1449 |
} |
| 1450 |
|
| 1451 |
if(overflow && s->avctx->mb_decision == FF_MB_DECISION_SIMPLE)
|
| 1452 |
av_log(s->avctx, AV_LOG_INFO, "warning, clipping %d dct coefficients to %d..%d\n", overflow, minlevel, maxlevel);
|
| 1453 |
} |
| 1454 |
|
| 1455 |
static void get_visual_weight(int16_t *weight, uint8_t *ptr, int stride){ |
| 1456 |
int x, y;
|
| 1457 |
//FIXME optimize
|
| 1458 |
for(y=0; y<8; y++){ |
| 1459 |
for(x=0; x<8; x++){ |
| 1460 |
int x2, y2;
|
| 1461 |
int sum=0; |
| 1462 |
int sqr=0; |
| 1463 |
int count=0; |
| 1464 |
|
| 1465 |
for(y2= FFMAX(y-1, 0); y2 < FFMIN(8, y+2); y2++){ |
| 1466 |
for(x2= FFMAX(x-1, 0); x2 < FFMIN(8, x+2); x2++){ |
| 1467 |
int v= ptr[x2 + y2*stride];
|
| 1468 |
sum += v; |
| 1469 |
sqr += v*v; |
| 1470 |
count++; |
| 1471 |
} |
| 1472 |
} |
| 1473 |
weight[x + 8*y]= (36*ff_sqrt(count*sqr - sum*sum)) / count; |
| 1474 |
} |
| 1475 |
} |
| 1476 |
} |
| 1477 |
|
| 1478 |
static av_always_inline void encode_mb_internal(MpegEncContext *s, int motion_x, int motion_y, int mb_block_height, int mb_block_count) |
| 1479 |
{
|
| 1480 |
int16_t weight[8][64]; |
| 1481 |
DCTELEM orig[8][64]; |
| 1482 |
const int mb_x= s->mb_x; |
| 1483 |
const int mb_y= s->mb_y; |
| 1484 |
int i;
|
| 1485 |
int skip_dct[8]; |
| 1486 |
int dct_offset = s->linesize*8; //default for progressive frames |
| 1487 |
uint8_t *ptr_y, *ptr_cb, *ptr_cr; |
| 1488 |
int wrap_y, wrap_c;
|
| 1489 |
|
| 1490 |
for(i=0; i<mb_block_count; i++) skip_dct[i]=s->skipdct; |
| 1491 |
|
| 1492 |
if(s->adaptive_quant){
|
| 1493 |
const int last_qp= s->qscale; |
| 1494 |
const int mb_xy= mb_x + mb_y*s->mb_stride; |
| 1495 |
|
| 1496 |
s->lambda= s->lambda_table[mb_xy]; |
| 1497 |
update_qscale(s); |
| 1498 |
|
| 1499 |
if(!(s->flags&CODEC_FLAG_QP_RD)){
|
| 1500 |
s->qscale= s->current_picture_ptr->qscale_table[mb_xy]; |
| 1501 |
s->dquant= s->qscale - last_qp; |
| 1502 |
|
| 1503 |
if(s->out_format==FMT_H263){
|
| 1504 |
s->dquant= av_clip(s->dquant, -2, 2); |
| 1505 |
|
| 1506 |
if(s->codec_id==CODEC_ID_MPEG4){
|
| 1507 |
if(!s->mb_intra){
|
| 1508 |
if(s->pict_type == FF_B_TYPE){
|
| 1509 |
if(s->dquant&1 || s->mv_dir&MV_DIRECT) |
| 1510 |
s->dquant= 0;
|
| 1511 |
} |
| 1512 |
if(s->mv_type==MV_TYPE_8X8)
|
| 1513 |
s->dquant=0;
|
| 1514 |
} |
| 1515 |
} |
| 1516 |
} |
| 1517 |
} |
| 1518 |
ff_set_qscale(s, last_qp + s->dquant); |
| 1519 |
}else if(s->flags&CODEC_FLAG_QP_RD) |
| 1520 |
ff_set_qscale(s, s->qscale + s->dquant); |
| 1521 |
|
| 1522 |
wrap_y = s->linesize; |
| 1523 |
wrap_c = s->uvlinesize; |
| 1524 |
ptr_y = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16; |
| 1525 |
ptr_cb = s->new_picture.data[1] + (mb_y * mb_block_height * wrap_c) + mb_x * 8; |
| 1526 |
ptr_cr = s->new_picture.data[2] + (mb_y * mb_block_height * wrap_c) + mb_x * 8; |
| 1527 |
|
| 1528 |
if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){ |
| 1529 |
uint8_t *ebuf= s->edge_emu_buffer + 32;
|
| 1530 |
ff_emulated_edge_mc(ebuf , ptr_y , wrap_y,16,16,mb_x*16,mb_y*16, s->width , s->height); |
| 1531 |
ptr_y= ebuf; |
| 1532 |
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); |
| 1533 |
ptr_cb= ebuf+18*wrap_y;
|
| 1534 |
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); |
| 1535 |
ptr_cr= ebuf+18*wrap_y+8; |
| 1536 |
} |
| 1537 |
|
| 1538 |
if (s->mb_intra) {
|
| 1539 |
if(s->flags&CODEC_FLAG_INTERLACED_DCT){
|
| 1540 |
int progressive_score, interlaced_score;
|
| 1541 |
|
| 1542 |
s->interlaced_dct=0;
|
| 1543 |
progressive_score= s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y, 8) |
| 1544 |
+s->dsp.ildct_cmp[4](s, ptr_y + wrap_y*8, NULL, wrap_y, 8) - 400; |
| 1545 |
|
| 1546 |
if(progressive_score > 0){ |
| 1547 |
interlaced_score = s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y*2, 8) |
| 1548 |
+s->dsp.ildct_cmp[4](s, ptr_y + wrap_y , NULL, wrap_y*2, 8); |
| 1549 |
if(progressive_score > interlaced_score){
|
| 1550 |
s->interlaced_dct=1;
|
| 1551 |
|
| 1552 |
dct_offset= wrap_y; |
| 1553 |
wrap_y<<=1;
|
| 1554 |
if (s->chroma_format == CHROMA_422)
|
| 1555 |
wrap_c<<=1;
|
| 1556 |
} |
| 1557 |
} |
| 1558 |
} |
| 1559 |
|
| 1560 |
s->dsp.get_pixels(s->block[0], ptr_y , wrap_y);
|
| 1561 |
s->dsp.get_pixels(s->block[1], ptr_y + 8, wrap_y); |
| 1562 |
s->dsp.get_pixels(s->block[2], ptr_y + dct_offset , wrap_y);
|
| 1563 |
s->dsp.get_pixels(s->block[3], ptr_y + dct_offset + 8, wrap_y); |
| 1564 |
|
| 1565 |
if(s->flags&CODEC_FLAG_GRAY){
|
| 1566 |
skip_dct[4]= 1; |
| 1567 |
skip_dct[5]= 1; |
| 1568 |
}else{
|
| 1569 |
s->dsp.get_pixels(s->block[4], ptr_cb, wrap_c);
|
| 1570 |
s->dsp.get_pixels(s->block[5], ptr_cr, wrap_c);
|
| 1571 |
if(!s->chroma_y_shift){ /* 422 */ |
| 1572 |
s->dsp.get_pixels(s->block[6], ptr_cb + (dct_offset>>1), wrap_c); |
| 1573 |
s->dsp.get_pixels(s->block[7], ptr_cr + (dct_offset>>1), wrap_c); |
| 1574 |
} |
| 1575 |
} |
| 1576 |
}else{
|
| 1577 |
op_pixels_func (*op_pix)[4];
|
| 1578 |
qpel_mc_func (*op_qpix)[16];
|
| 1579 |
uint8_t *dest_y, *dest_cb, *dest_cr; |
| 1580 |
|
| 1581 |
dest_y = s->dest[0];
|
| 1582 |
dest_cb = s->dest[1];
|
| 1583 |
dest_cr = s->dest[2];
|
| 1584 |
|
| 1585 |
if ((!s->no_rounding) || s->pict_type==FF_B_TYPE){
|
| 1586 |
op_pix = s->dsp.put_pixels_tab; |
| 1587 |
op_qpix= s->dsp.put_qpel_pixels_tab; |
| 1588 |
}else{
|
| 1589 |
op_pix = s->dsp.put_no_rnd_pixels_tab; |
| 1590 |
op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab; |
| 1591 |
} |
| 1592 |
|
| 1593 |
if (s->mv_dir & MV_DIR_FORWARD) {
|
| 1594 |
MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix);
|
| 1595 |
op_pix = s->dsp.avg_pixels_tab; |
| 1596 |
op_qpix= s->dsp.avg_qpel_pixels_tab; |
| 1597 |
} |
| 1598 |
if (s->mv_dir & MV_DIR_BACKWARD) {
|
| 1599 |
MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix);
|
| 1600 |
} |
| 1601 |
|
| 1602 |
if(s->flags&CODEC_FLAG_INTERLACED_DCT){
|
| 1603 |
int progressive_score, interlaced_score;
|
| 1604 |
|
| 1605 |
s->interlaced_dct=0;
|
| 1606 |
progressive_score= s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y, 8) |
| 1607 |
+s->dsp.ildct_cmp[0](s, dest_y + wrap_y*8, ptr_y + wrap_y*8, wrap_y, 8) - 400; |
| 1608 |
|
| 1609 |
if(s->avctx->ildct_cmp == FF_CMP_VSSE) progressive_score -= 400; |
| 1610 |
|
| 1611 |
if(progressive_score>0){ |
| 1612 |
interlaced_score = s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y*2, 8) |
| 1613 |
+s->dsp.ildct_cmp[0](s, dest_y + wrap_y , ptr_y + wrap_y , wrap_y*2, 8); |
| 1614 |
|
| 1615 |
if(progressive_score > interlaced_score){
|
| 1616 |
s->interlaced_dct=1;
|
| 1617 |
|
| 1618 |
dct_offset= wrap_y; |
| 1619 |
wrap_y<<=1;
|
| 1620 |
if (s->chroma_format == CHROMA_422)
|
| 1621 |
wrap_c<<=1;
|
| 1622 |
} |
| 1623 |
} |
| 1624 |
} |
| 1625 |
|
| 1626 |
s->dsp.diff_pixels(s->block[0], ptr_y , dest_y , wrap_y);
|
| 1627 |
s->dsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y); |
| 1628 |
s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset , dest_y + dct_offset , wrap_y);
|
| 1629 |
s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8, dest_y + dct_offset + 8, wrap_y); |
| 1630 |
|
| 1631 |
if(s->flags&CODEC_FLAG_GRAY){
|
| 1632 |
skip_dct[4]= 1; |
| 1633 |
skip_dct[5]= 1; |
| 1634 |
}else{
|
| 1635 |
s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
|
| 1636 |
s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
|
| 1637 |
if(!s->chroma_y_shift){ /* 422 */ |
| 1638 |
s->dsp.diff_pixels(s->block[6], ptr_cb + (dct_offset>>1), dest_cb + (dct_offset>>1), wrap_c); |
| 1639 |
s->dsp.diff_pixels(s->block[7], ptr_cr + (dct_offset>>1), dest_cr + (dct_offset>>1), wrap_c); |
| 1640 |
} |
| 1641 |
} |
| 1642 |
/* pre quantization */
|
| 1643 |
if(s->current_picture.mc_mb_var[s->mb_stride*mb_y+ mb_x]<2*s->qscale*s->qscale){ |
| 1644 |
//FIXME optimize
|
| 1645 |
if(s->dsp.sad[1](NULL, ptr_y , dest_y , wrap_y, 8) < 20*s->qscale) skip_dct[0]= 1; |
| 1646 |
if(s->dsp.sad[1](NULL, ptr_y + 8, dest_y + 8, wrap_y, 8) < 20*s->qscale) skip_dct[1]= 1; |
| 1647 |
if(s->dsp.sad[1](NULL, ptr_y +dct_offset , dest_y +dct_offset , wrap_y, 8) < 20*s->qscale) skip_dct[2]= 1; |
| 1648 |
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; |
| 1649 |
if(s->dsp.sad[1](NULL, ptr_cb , dest_cb , wrap_c, 8) < 20*s->qscale) skip_dct[4]= 1; |
| 1650 |
if(s->dsp.sad[1](NULL, ptr_cr , dest_cr , wrap_c, 8) < 20*s->qscale) skip_dct[5]= 1; |
| 1651 |
if(!s->chroma_y_shift){ /* 422 */ |
| 1652 |
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; |
| 1653 |
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; |
| 1654 |
} |
| 1655 |
} |
| 1656 |
} |
| 1657 |
|
| 1658 |
if(s->avctx->quantizer_noise_shaping){
|
| 1659 |
if(!skip_dct[0]) get_visual_weight(weight[0], ptr_y , wrap_y); |
| 1660 |
if(!skip_dct[1]) get_visual_weight(weight[1], ptr_y + 8, wrap_y); |
| 1661 |
if(!skip_dct[2]) get_visual_weight(weight[2], ptr_y + dct_offset , wrap_y); |
| 1662 |
if(!skip_dct[3]) get_visual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y); |
| 1663 |
if(!skip_dct[4]) get_visual_weight(weight[4], ptr_cb , wrap_c); |
| 1664 |
if(!skip_dct[5]) get_visual_weight(weight[5], ptr_cr , wrap_c); |
| 1665 |
if(!s->chroma_y_shift){ /* 422 */ |
| 1666 |
if(!skip_dct[6]) get_visual_weight(weight[6], ptr_cb + (dct_offset>>1), wrap_c); |
| 1667 |
if(!skip_dct[7]) get_visual_weight(weight[7], ptr_cr + (dct_offset>>1), wrap_c); |
| 1668 |
} |
| 1669 |
memcpy(orig[0], s->block[0], sizeof(DCTELEM)*64*mb_block_count); |
| 1670 |
} |
| 1671 |
|
| 1672 |
/* DCT & quantize */
|
| 1673 |
assert(s->out_format!=FMT_MJPEG || s->qscale==8);
|
| 1674 |
{
|
| 1675 |
for(i=0;i<mb_block_count;i++) { |
| 1676 |
if(!skip_dct[i]){
|
| 1677 |
int overflow;
|
| 1678 |
s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow); |
| 1679 |
// FIXME we could decide to change to quantizer instead of clipping
|
| 1680 |
// JS: I don't think that would be a good idea it could lower quality instead
|
| 1681 |
// of improve it. Just INTRADC clipping deserves changes in quantizer
|
| 1682 |
if (overflow) clip_coeffs(s, s->block[i], s->block_last_index[i]);
|
| 1683 |
}else
|
| 1684 |
s->block_last_index[i]= -1;
|
| 1685 |
} |
| 1686 |
if(s->avctx->quantizer_noise_shaping){
|
| 1687 |
for(i=0;i<mb_block_count;i++) { |
| 1688 |
if(!skip_dct[i]){
|
| 1689 |
s->block_last_index[i] = dct_quantize_refine(s, s->block[i], weight[i], orig[i], i, s->qscale); |
| 1690 |
} |
| 1691 |
} |
| 1692 |
} |
| 1693 |
|
| 1694 |
if(s->luma_elim_threshold && !s->mb_intra)
|
| 1695 |
for(i=0; i<4; i++) |
| 1696 |
dct_single_coeff_elimination(s, i, s->luma_elim_threshold); |
| 1697 |
if(s->chroma_elim_threshold && !s->mb_intra)
|
| 1698 |
for(i=4; i<mb_block_count; i++) |
| 1699 |
dct_single_coeff_elimination(s, i, s->chroma_elim_threshold); |
| 1700 |
|
| 1701 |
if(s->flags & CODEC_FLAG_CBP_RD){
|
| 1702 |
for(i=0;i<mb_block_count;i++) { |
| 1703 |
if(s->block_last_index[i] == -1) |
| 1704 |
s->coded_score[i]= INT_MAX/256;
|
| 1705 |
} |
| 1706 |
} |
| 1707 |
} |
| 1708 |
|
| 1709 |
if((s->flags&CODEC_FLAG_GRAY) && s->mb_intra){
|
| 1710 |
s->block_last_index[4]=
|
| 1711 |
s->block_last_index[5]= 0; |
| 1712 |
s->block[4][0]= |
| 1713 |
s->block[5][0]= (1024 + s->c_dc_scale/2)/ s->c_dc_scale; |
| 1714 |
} |
| 1715 |
|
| 1716 |
//non c quantize code returns incorrect block_last_index FIXME
|
| 1717 |
if(s->alternate_scan && s->dct_quantize != dct_quantize_c){
|
| 1718 |
for(i=0; i<mb_block_count; i++){ |
| 1719 |
int j;
|
| 1720 |
if(s->block_last_index[i]>0){ |
| 1721 |
for(j=63; j>0; j--){ |
| 1722 |
if(s->block[i][ s->intra_scantable.permutated[j] ]) break; |
| 1723 |
} |
| 1724 |
s->block_last_index[i]= j; |
| 1725 |
} |
| 1726 |
} |
| 1727 |
} |
| 1728 |
|
| 1729 |
/* huffman encode */
|
| 1730 |
switch(s->codec_id){ //FIXME funct ptr could be slightly faster |
| 1731 |
case CODEC_ID_MPEG1VIDEO:
|
| 1732 |
case CODEC_ID_MPEG2VIDEO:
|
| 1733 |
if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
|
| 1734 |
mpeg1_encode_mb(s, s->block, motion_x, motion_y); |
| 1735 |
break;
|
| 1736 |
case CODEC_ID_MPEG4:
|
| 1737 |
if (CONFIG_MPEG4_ENCODER)
|
| 1738 |
mpeg4_encode_mb(s, s->block, motion_x, motion_y); |
| 1739 |
break;
|
| 1740 |
case CODEC_ID_MSMPEG4V2:
|
| 1741 |
case CODEC_ID_MSMPEG4V3:
|
| 1742 |
case CODEC_ID_WMV1:
|
| 1743 |
if (CONFIG_MSMPEG4_ENCODER)
|
| 1744 |
msmpeg4_encode_mb(s, s->block, motion_x, motion_y); |
| 1745 |
break;
|
| 1746 |
case CODEC_ID_WMV2:
|
| 1747 |
if (CONFIG_WMV2_ENCODER)
|
| 1748 |
ff_wmv2_encode_mb(s, s->block, motion_x, motion_y); |
| 1749 |
break;
|
| 1750 |
case CODEC_ID_H261:
|
| 1751 |
if (CONFIG_H261_ENCODER)
|
| 1752 |
ff_h261_encode_mb(s, s->block, motion_x, motion_y); |
| 1753 |
break;
|
| 1754 |
case CODEC_ID_H263:
|
| 1755 |
case CODEC_ID_H263P:
|
| 1756 |
case CODEC_ID_FLV1:
|
| 1757 |
case CODEC_ID_RV10:
|
| 1758 |
case CODEC_ID_RV20:
|
| 1759 |
if (CONFIG_H263_ENCODER)
|
| 1760 |
h263_encode_mb(s, s->block, motion_x, motion_y); |
| 1761 |
break;
|
| 1762 |
case CODEC_ID_MJPEG:
|
| 1763 |
if (CONFIG_MJPEG_ENCODER)
|
| 1764 |
ff_mjpeg_encode_mb(s, s->block); |
| 1765 |
break;
|
| 1766 |
default:
|
| 1767 |
assert(0);
|
| 1768 |
} |
| 1769 |
} |
| 1770 |
|
| 1771 |
static av_always_inline void encode_mb(MpegEncContext *s, int motion_x, int motion_y) |
| 1772 |
{
|
| 1773 |
if (s->chroma_format == CHROMA_420) encode_mb_internal(s, motion_x, motion_y, 8, 6); |
| 1774 |
else encode_mb_internal(s, motion_x, motion_y, 16, 8); |
| 1775 |
} |
| 1776 |
|
| 1777 |
static inline void copy_context_before_encode(MpegEncContext *d, MpegEncContext *s, int type){ |
| 1778 |
int i;
|
| 1779 |
|
| 1780 |
memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop? |
| 1781 |
|
| 1782 |
/* mpeg1 */
|
| 1783 |
d->mb_skip_run= s->mb_skip_run; |
| 1784 |
for(i=0; i<3; i++) |
| 1785 |
d->last_dc[i]= s->last_dc[i]; |
| 1786 |
|
| 1787 |
/* statistics */
|
| 1788 |
d->mv_bits= s->mv_bits; |
| 1789 |
d->i_tex_bits= s->i_tex_bits; |
| 1790 |
d->p_tex_bits= s->p_tex_bits; |
| 1791 |
d->i_count= s->i_count; |
| 1792 |
d->f_count= s->f_count; |
| 1793 |
d->b_count= s->b_count; |
| 1794 |
d->skip_count= s->skip_count; |
| 1795 |
d->misc_bits= s->misc_bits; |
| 1796 |
d->last_bits= 0;
|
| 1797 |
|
| 1798 |
d->mb_skipped= 0;
|
| 1799 |
d->qscale= s->qscale; |
| 1800 |
d->dquant= s->dquant; |
| 1801 |
|
| 1802 |
d->esc3_level_length= s->esc3_level_length; |
| 1803 |
} |
| 1804 |
|
| 1805 |
static inline void copy_context_after_encode(MpegEncContext *d, MpegEncContext *s, int type){ |
| 1806 |
int i;
|
| 1807 |
|
| 1808 |
memcpy(d->mv, s->mv, 2*4*2*sizeof(int)); |
| 1809 |
memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop? |
| 1810 |
|
| 1811 |
/* mpeg1 */
|
| 1812 |
d->mb_skip_run= s->mb_skip_run; |
| 1813 |
for(i=0; i<3; i++) |
| 1814 |
d->last_dc[i]= s->last_dc[i]; |
| 1815 |
|
| 1816 |
/* statistics */
|
| 1817 |
d->mv_bits= s->mv_bits; |
| 1818 |
d->i_tex_bits= s->i_tex_bits; |
| 1819 |
d->p_tex_bits= s->p_tex_bits; |
| 1820 |
d->i_count= s->i_count; |
| 1821 |
d->f_count= s->f_count; |
| 1822 |
d->b_count= s->b_count; |
| 1823 |
d->skip_count= s->skip_count; |
| 1824 |
d->misc_bits= s->misc_bits; |
| 1825 |
|
| 1826 |
d->mb_intra= s->mb_intra; |
| 1827 |
d->mb_skipped= s->mb_skipped; |
| 1828 |
d->mv_type= s->mv_type; |
| 1829 |
d->mv_dir= s->mv_dir; |
| 1830 |
d->pb= s->pb; |
| 1831 |
if(s->data_partitioning){
|
| 1832 |
d->pb2= s->pb2; |
| 1833 |
d->tex_pb= s->tex_pb; |
| 1834 |
} |
| 1835 |
d->block= s->block; |
| 1836 |
for(i=0; i<8; i++) |
| 1837 |
d->block_last_index[i]= s->block_last_index[i]; |
| 1838 |
d->interlaced_dct= s->interlaced_dct; |
| 1839 |
d->qscale= s->qscale; |
| 1840 |
|
| 1841 |
d->esc3_level_length= s->esc3_level_length; |
| 1842 |
} |
| 1843 |
|
| 1844 |
static inline void encode_mb_hq(MpegEncContext *s, MpegEncContext *backup, MpegEncContext *best, int type, |
| 1845 |
PutBitContext pb[2], PutBitContext pb2[2], PutBitContext tex_pb[2], |
| 1846 |
int *dmin, int *next_block, int motion_x, int motion_y) |
| 1847 |
{
|
| 1848 |
int score;
|
| 1849 |
uint8_t *dest_backup[3];
|
| 1850 |
|
| 1851 |
copy_context_before_encode(s, backup, type); |
| 1852 |
|
| 1853 |
s->block= s->blocks[*next_block]; |
| 1854 |
s->pb= pb[*next_block]; |
| 1855 |
if(s->data_partitioning){
|
| 1856 |
s->pb2 = pb2 [*next_block]; |
| 1857 |
s->tex_pb= tex_pb[*next_block]; |
| 1858 |
} |
| 1859 |
|
| 1860 |
if(*next_block){
|
| 1861 |
memcpy(dest_backup, s->dest, sizeof(s->dest));
|
| 1862 |
s->dest[0] = s->rd_scratchpad;
|
| 1863 |
s->dest[1] = s->rd_scratchpad + 16*s->linesize; |
| 1864 |
s->dest[2] = s->rd_scratchpad + 16*s->linesize + 8; |
| 1865 |
assert(s->linesize >= 32); //FIXME |
| 1866 |
} |
| 1867 |
|
| 1868 |
encode_mb(s, motion_x, motion_y); |
| 1869 |
|
| 1870 |
score= put_bits_count(&s->pb); |
| 1871 |
if(s->data_partitioning){
|
| 1872 |
score+= put_bits_count(&s->pb2); |
| 1873 |
score+= put_bits_count(&s->tex_pb); |
| 1874 |
} |
| 1875 |
|
| 1876 |
if(s->avctx->mb_decision == FF_MB_DECISION_RD){
|
| 1877 |
MPV_decode_mb(s, s->block); |
| 1878 |
|
| 1879 |
score *= s->lambda2; |
| 1880 |
score += sse_mb(s) << FF_LAMBDA_SHIFT; |
| 1881 |
} |
| 1882 |
|
| 1883 |
if(*next_block){
|
| 1884 |
memcpy(s->dest, dest_backup, sizeof(s->dest));
|
| 1885 |
} |
| 1886 |
|
| 1887 |
if(score<*dmin){
|
| 1888 |
*dmin= score; |
| 1889 |
*next_block^=1;
|
| 1890 |
|
| 1891 |
copy_context_after_encode(best, s, type); |
| 1892 |
} |
| 1893 |
} |
| 1894 |
|
| 1895 |
static int sse(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int w, int h, int stride){ |
| 1896 |
uint32_t *sq = ff_squareTbl + 256;
|
| 1897 |
int acc=0; |
| 1898 |
int x,y;
|
| 1899 |
|
| 1900 |
if(w==16 && h==16) |
| 1901 |
return s->dsp.sse[0](NULL, src1, src2, stride, 16); |
| 1902 |
else if(w==8 && h==8) |
| 1903 |
return s->dsp.sse[1](NULL, src1, src2, stride, 8); |
| 1904 |
|
| 1905 |
for(y=0; y<h; y++){ |
| 1906 |
for(x=0; x<w; x++){ |
| 1907 |
acc+= sq[src1[x + y*stride] - src2[x + y*stride]]; |
| 1908 |
} |
| 1909 |
} |
| 1910 |
|
| 1911 |
assert(acc>=0);
|
| 1912 |
|
| 1913 |
return acc;
|
| 1914 |
} |
| 1915 |
|
| 1916 |
static int sse_mb(MpegEncContext *s){ |
| 1917 |
int w= 16; |
| 1918 |
int h= 16; |
| 1919 |
|
| 1920 |
if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16; |
| 1921 |
if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16; |
| 1922 |
|
| 1923 |
if(w==16 && h==16) |
| 1924 |
if(s->avctx->mb_cmp == FF_CMP_NSSE){
|
| 1925 |
return s->dsp.nsse[0](s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], s->linesize, 16) |
| 1926 |
+s->dsp.nsse[1](s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[1], s->uvlinesize, 8) |
| 1927 |
+s->dsp.nsse[1](s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[2], s->uvlinesize, 8); |
| 1928 |
}else{
|
| 1929 |
return s->dsp.sse[0](NULL, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], s->linesize, 16) |
| 1930 |
+s->dsp.sse[1](NULL, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[1], s->uvlinesize, 8) |
| 1931 |
+s->dsp.sse[1](NULL, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[2], s->uvlinesize, 8); |
| 1932 |
} |
| 1933 |
else
|
| 1934 |
return sse(s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], w, h, s->linesize) |
| 1935 |
+sse(s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[1], w>>1, h>>1, s->uvlinesize) |
| 1936 |
+sse(s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[2], w>>1, h>>1, s->uvlinesize); |
| 1937 |
} |
| 1938 |
|
| 1939 |
static int pre_estimate_motion_thread(AVCodecContext *c, void *arg){ |
| 1940 |
MpegEncContext *s= *(void**)arg;
|
| 1941 |
|
| 1942 |
|
| 1943 |
s->me.pre_pass=1;
|
| 1944 |
s->me.dia_size= s->avctx->pre_dia_size; |
| 1945 |
s->first_slice_line=1;
|
| 1946 |
for(s->mb_y= s->end_mb_y-1; s->mb_y >= s->start_mb_y; s->mb_y--) { |
| 1947 |
for(s->mb_x=s->mb_width-1; s->mb_x >=0 ;s->mb_x--) { |
| 1948 |
ff_pre_estimate_p_frame_motion(s, s->mb_x, s->mb_y); |
| 1949 |
} |
| 1950 |
s->first_slice_line=0;
|
| 1951 |
} |
| 1952 |
|
| 1953 |
s->me.pre_pass=0;
|
| 1954 |
|
| 1955 |
return 0; |
| 1956 |
} |
| 1957 |
|
| 1958 |
static int estimate_motion_thread(AVCodecContext *c, void *arg){ |
| 1959 |
MpegEncContext *s= *(void**)arg;
|
| 1960 |
|
| 1961 |
ff_check_alignment(); |
| 1962 |
|
| 1963 |
s->me.dia_size= s->avctx->dia_size; |
| 1964 |
s->first_slice_line=1;
|
| 1965 |
for(s->mb_y= s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) {
|
| 1966 |
s->mb_x=0; //for block init below |
| 1967 |
ff_init_block_index(s); |
| 1968 |
for(s->mb_x=0; s->mb_x < s->mb_width; s->mb_x++) { |
| 1969 |
s->block_index[0]+=2; |
| 1970 |
s->block_index[1]+=2; |
| 1971 |
s->block_index[2]+=2; |
| 1972 |
s->block_index[3]+=2; |
| 1973 |
|
| 1974 |
/* compute motion vector & mb_type and store in context */
|
| 1975 |
if(s->pict_type==FF_B_TYPE)
|
| 1976 |
ff_estimate_b_frame_motion(s, s->mb_x, s->mb_y); |
| 1977 |
else
|
| 1978 |
ff_estimate_p_frame_motion(s, s->mb_x, s->mb_y); |
| 1979 |
} |
| 1980 |
s->first_slice_line=0;
|
| 1981 |
} |
| 1982 |
return 0; |
| 1983 |
} |
| 1984 |
|
| 1985 |
static int mb_var_thread(AVCodecContext *c, void *arg){ |
| 1986 |
MpegEncContext *s= *(void**)arg;
|
| 1987 |
int mb_x, mb_y;
|
| 1988 |
|
| 1989 |
ff_check_alignment(); |
| 1990 |
|
| 1991 |
for(mb_y=s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
|
| 1992 |
for(mb_x=0; mb_x < s->mb_width; mb_x++) { |
| 1993 |
int xx = mb_x * 16; |
| 1994 |
int yy = mb_y * 16; |
| 1995 |
uint8_t *pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
|
| 1996 |
int varc;
|
| 1997 |
int sum = s->dsp.pix_sum(pix, s->linesize);
|
| 1998 |
|
| 1999 |
varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8; |
| 2000 |
|
| 2001 |
s->current_picture.mb_var [s->mb_stride * mb_y + mb_x] = varc; |
| 2002 |
s->current_picture.mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8; |
| 2003 |
s->me.mb_var_sum_temp += varc; |
| 2004 |
} |
| 2005 |
} |
| 2006 |
return 0; |
| 2007 |
} |
| 2008 |
|
| 2009 |
static void write_slice_end(MpegEncContext *s){ |
| 2010 |
if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4){
|
| 2011 |
if(s->partitioned_frame){
|
| 2012 |
ff_mpeg4_merge_partitions(s); |
| 2013 |
} |
| 2014 |
|
| 2015 |
ff_mpeg4_stuffing(&s->pb); |
| 2016 |
}else if(CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG){ |
| 2017 |
ff_mjpeg_encode_stuffing(&s->pb); |
| 2018 |
} |
| 2019 |
|
| 2020 |
align_put_bits(&s->pb); |
| 2021 |
flush_put_bits(&s->pb); |
| 2022 |
|
| 2023 |
if((s->flags&CODEC_FLAG_PASS1) && !s->partitioned_frame)
|
| 2024 |
s->misc_bits+= get_bits_diff(s); |
| 2025 |
} |
| 2026 |
|
| 2027 |
static int encode_thread(AVCodecContext *c, void *arg){ |
| 2028 |
MpegEncContext *s= *(void**)arg;
|
| 2029 |
int mb_x, mb_y, pdif = 0; |
| 2030 |
int chr_h= 16>>s->chroma_y_shift; |
| 2031 |
int i, j;
|
| 2032 |
MpegEncContext best_s, backup_s; |
| 2033 |
uint8_t bit_buf[2][MAX_MB_BYTES];
|
| 2034 |
uint8_t bit_buf2[2][MAX_MB_BYTES];
|
| 2035 |
uint8_t bit_buf_tex[2][MAX_MB_BYTES];
|
| 2036 |
PutBitContext pb[2], pb2[2], tex_pb[2]; |
| 2037 |
//printf("%d->%d\n", s->resync_mb_y, s->end_mb_y);
|
| 2038 |
|
| 2039 |
ff_check_alignment(); |
| 2040 |
|
| 2041 |
for(i=0; i<2; i++){ |
| 2042 |
init_put_bits(&pb [i], bit_buf [i], MAX_MB_BYTES); |
| 2043 |
init_put_bits(&pb2 [i], bit_buf2 [i], MAX_MB_BYTES); |
| 2044 |
init_put_bits(&tex_pb[i], bit_buf_tex[i], MAX_MB_BYTES); |
| 2045 |
} |
| 2046 |
|
| 2047 |
s->last_bits= put_bits_count(&s->pb); |
| 2048 |
s->mv_bits=0;
|
| 2049 |
s->misc_bits=0;
|
| 2050 |
s->i_tex_bits=0;
|
| 2051 |
s->p_tex_bits=0;
|
| 2052 |
s->i_count=0;
|
| 2053 |
s->f_count=0;
|
| 2054 |
s->b_count=0;
|
| 2055 |
s->skip_count=0;
|
| 2056 |
|
| 2057 |
for(i=0; i<3; i++){ |
| 2058 |
/* init last dc values */
|
| 2059 |
/* note: quant matrix value (8) is implied here */
|
| 2060 |
s->last_dc[i] = 128 << s->intra_dc_precision;
|
| 2061 |
|
| 2062 |
s->current_picture.error[i] = 0;
|
| 2063 |
} |
| 2064 |
s->mb_skip_run = 0;
|
| 2065 |
memset(s->last_mv, 0, sizeof(s->last_mv)); |
| 2066 |
|
| 2067 |
s->last_mv_dir = 0;
|
| 2068 |
|
| 2069 |
switch(s->codec_id){
|
| 2070 |
case CODEC_ID_H263:
|
| 2071 |
case CODEC_ID_H263P:
|
| 2072 |
case CODEC_ID_FLV1:
|
| 2073 |
if (CONFIG_H263_ENCODER)
|
| 2074 |
s->gob_index = ff_h263_get_gob_height(s); |
| 2075 |
break;
|
| 2076 |
case CODEC_ID_MPEG4:
|
| 2077 |
if(CONFIG_MPEG4_ENCODER && s->partitioned_frame)
|
| 2078 |
ff_mpeg4_init_partitions(s); |
| 2079 |
break;
|
| 2080 |
} |
| 2081 |
|
| 2082 |
s->resync_mb_x=0;
|
| 2083 |
s->resync_mb_y=0;
|
| 2084 |
s->first_slice_line = 1;
|
| 2085 |
s->ptr_lastgob = s->pb.buf; |
| 2086 |
for(mb_y= s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
|
| 2087 |
// printf("row %d at %X\n", s->mb_y, (int)s);
|
| 2088 |
s->mb_x=0;
|
| 2089 |
s->mb_y= mb_y; |
| 2090 |
|
| 2091 |
ff_set_qscale(s, s->qscale); |
| 2092 |
ff_init_block_index(s); |
| 2093 |
|
| 2094 |
for(mb_x=0; mb_x < s->mb_width; mb_x++) { |
| 2095 |
int xy= mb_y*s->mb_stride + mb_x; // removed const, H261 needs to adjust this |
| 2096 |
int mb_type= s->mb_type[xy];
|
| 2097 |
// int d;
|
| 2098 |
int dmin= INT_MAX;
|
| 2099 |
int dir;
|
| 2100 |
|
| 2101 |
if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < MAX_MB_BYTES){ |
| 2102 |
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
|
| 2103 |
return -1; |
| 2104 |
} |
| 2105 |
if(s->data_partitioning){
|
| 2106 |
if( s->pb2 .buf_end - s->pb2 .buf - (put_bits_count(&s-> pb2)>>3) < MAX_MB_BYTES |
| 2107 |
|| s->tex_pb.buf_end - s->tex_pb.buf - (put_bits_count(&s->tex_pb )>>3) < MAX_MB_BYTES){
|
| 2108 |
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
|
| 2109 |
return -1; |
| 2110 |
} |
| 2111 |
} |
| 2112 |
|
| 2113 |
s->mb_x = mb_x; |
| 2114 |
s->mb_y = mb_y; // moved into loop, can get changed by H.261
|
| 2115 |
ff_update_block_index(s); |
| 2116 |
|
| 2117 |
if(CONFIG_H261_ENCODER && s->codec_id == CODEC_ID_H261){
|
| 2118 |
ff_h261_reorder_mb_index(s); |
| 2119 |
xy= s->mb_y*s->mb_stride + s->mb_x; |
| 2120 |
mb_type= s->mb_type[xy]; |
| 2121 |
} |
| 2122 |
|
| 2123 |
/* write gob / video packet header */
|
| 2124 |
if(s->rtp_mode){
|
| 2125 |
int current_packet_size, is_gob_start;
|
| 2126 |
|
| 2127 |
current_packet_size= ((put_bits_count(&s->pb)+7)>>3) - (s->ptr_lastgob - s->pb.buf); |
| 2128 |
|
| 2129 |
is_gob_start= s->avctx->rtp_payload_size && current_packet_size >= s->avctx->rtp_payload_size && mb_y + mb_x>0;
|
| 2130 |
|
| 2131 |
if(s->start_mb_y == mb_y && mb_y > 0 && mb_x==0) is_gob_start=1; |
| 2132 |
|
| 2133 |
switch(s->codec_id){
|
| 2134 |
case CODEC_ID_H263:
|
| 2135 |
case CODEC_ID_H263P:
|
| 2136 |
if(!s->h263_slice_structured)
|
| 2137 |
if(s->mb_x || s->mb_y%s->gob_index) is_gob_start=0; |
| 2138 |
break;
|
| 2139 |
case CODEC_ID_MPEG2VIDEO:
|
| 2140 |
if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1; |
| 2141 |
case CODEC_ID_MPEG1VIDEO:
|
| 2142 |
if(s->mb_skip_run) is_gob_start=0; |
| 2143 |
break;
|
| 2144 |
} |
| 2145 |
|
| 2146 |
if(is_gob_start){
|
| 2147 |
if(s->start_mb_y != mb_y || mb_x!=0){ |
| 2148 |
write_slice_end(s); |
| 2149 |
|
| 2150 |
if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->partitioned_frame){
|
| 2151 |
ff_mpeg4_init_partitions(s); |
| 2152 |
} |
| 2153 |
} |
| 2154 |
|
| 2155 |
assert((put_bits_count(&s->pb)&7) == 0); |
| 2156 |
current_packet_size= put_bits_ptr(&s->pb) - s->ptr_lastgob; |
| 2157 |
|
| 2158 |
if(s->avctx->error_rate && s->resync_mb_x + s->resync_mb_y > 0){ |
| 2159 |
int r= put_bits_count(&s->pb)/8 + s->picture_number + 16 + s->mb_x + s->mb_y; |
| 2160 |
int d= 100 / s->avctx->error_rate; |
| 2161 |
if(r % d == 0){ |
| 2162 |
current_packet_size=0;
|
| 2163 |
#ifndef ALT_BITSTREAM_WRITER
|
| 2164 |
s->pb.buf_ptr= s->ptr_lastgob; |
| 2165 |
#endif
|
| 2166 |
assert(put_bits_ptr(&s->pb) == s->ptr_lastgob); |
| 2167 |
} |
| 2168 |
} |
| 2169 |
|
| 2170 |
if (s->avctx->rtp_callback){
|
| 2171 |
int number_mb = (mb_y - s->resync_mb_y)*s->mb_width + mb_x - s->resync_mb_x;
|
| 2172 |
s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, current_packet_size, number_mb); |
| 2173 |
} |
| 2174 |
|
| 2175 |
switch(s->codec_id){
|
| 2176 |
case CODEC_ID_MPEG4:
|
| 2177 |
if (CONFIG_MPEG4_ENCODER) {
|
| 2178 |
ff_mpeg4_encode_video_packet_header(s); |
| 2179 |
ff_mpeg4_clean_buffers(s); |
| 2180 |
} |
| 2181 |
break;
|
| 2182 |
case CODEC_ID_MPEG1VIDEO:
|
| 2183 |
case CODEC_ID_MPEG2VIDEO:
|
| 2184 |
if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER) {
|
| 2185 |
ff_mpeg1_encode_slice_header(s); |
| 2186 |
ff_mpeg1_clean_buffers(s); |
| 2187 |
} |
| 2188 |
break;
|
| 2189 |
case CODEC_ID_H263:
|
| 2190 |
case CODEC_ID_H263P:
|
| 2191 |
if (CONFIG_H263_ENCODER)
|
| 2192 |
h263_encode_gob_header(s, mb_y); |
| 2193 |
break;
|
| 2194 |
} |
| 2195 |
|
| 2196 |
if(s->flags&CODEC_FLAG_PASS1){
|
| 2197 |
int bits= put_bits_count(&s->pb);
|
| 2198 |
s->misc_bits+= bits - s->last_bits; |
| 2199 |
s->last_bits= bits; |
| 2200 |
} |
| 2201 |
|
| 2202 |
s->ptr_lastgob += current_packet_size; |
| 2203 |
s->first_slice_line=1;
|
| 2204 |
s->resync_mb_x=mb_x; |
| 2205 |
s->resync_mb_y=mb_y; |
| 2206 |
} |
| 2207 |
} |
| 2208 |
|
| 2209 |
if( (s->resync_mb_x == s->mb_x)
|
| 2210 |
&& s->resync_mb_y+1 == s->mb_y){
|
| 2211 |
s->first_slice_line=0;
|
| 2212 |
} |
| 2213 |
|
| 2214 |
s->mb_skipped=0;
|
| 2215 |
s->dquant=0; //only for QP_RD |
| 2216 |
|
| 2217 |
if(mb_type & (mb_type-1) || (s->flags & CODEC_FLAG_QP_RD)){ // more than 1 MB type possible or CODEC_FLAG_QP_RD |
| 2218 |
int next_block=0; |
| 2219 |
int pb_bits_count, pb2_bits_count, tex_pb_bits_count;
|
| 2220 |
|
| 2221 |
copy_context_before_encode(&backup_s, s, -1);
|
| 2222 |
backup_s.pb= s->pb; |
| 2223 |
best_s.data_partitioning= s->data_partitioning; |
| 2224 |
best_s.partitioned_frame= s->partitioned_frame; |
| 2225 |
if(s->data_partitioning){
|
| 2226 |
backup_s.pb2= s->pb2; |
| 2227 |
backup_s.tex_pb= s->tex_pb; |
| 2228 |
} |
| 2229 |
|
| 2230 |
if(mb_type&CANDIDATE_MB_TYPE_INTER){
|
| 2231 |
s->mv_dir = MV_DIR_FORWARD; |
| 2232 |
s->mv_type = MV_TYPE_16X16; |
| 2233 |
s->mb_intra= 0;
|
| 2234 |
s->mv[0][0][0] = s->p_mv_table[xy][0]; |
| 2235 |
s->mv[0][0][1] = s->p_mv_table[xy][1]; |
| 2236 |
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER, pb, pb2, tex_pb, |
| 2237 |
&dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]); |
| 2238 |
} |
| 2239 |
if(mb_type&CANDIDATE_MB_TYPE_INTER_I){
|
| 2240 |
s->mv_dir = MV_DIR_FORWARD; |
| 2241 |
s->mv_type = MV_TYPE_FIELD; |
| 2242 |
s->mb_intra= 0;
|
| 2243 |
for(i=0; i<2; i++){ |
| 2244 |
j= s->field_select[0][i] = s->p_field_select_table[i][xy];
|
| 2245 |
s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0]; |
| 2246 |
s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1]; |
| 2247 |
} |
| 2248 |
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER_I, pb, pb2, tex_pb, |
| 2249 |
&dmin, &next_block, 0, 0); |
| 2250 |
} |
| 2251 |
if(mb_type&CANDIDATE_MB_TYPE_SKIPPED){
|
| 2252 |
s->mv_dir = MV_DIR_FORWARD; |
| 2253 |
s->mv_type = MV_TYPE_16X16; |
| 2254 |
s->mb_intra= 0;
|
| 2255 |
s->mv[0][0][0] = 0; |
| 2256 |
s->mv[0][0][1] = 0; |
| 2257 |
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_SKIPPED, pb, pb2, tex_pb, |
| 2258 |
&dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]); |
| 2259 |
} |
| 2260 |
if(mb_type&CANDIDATE_MB_TYPE_INTER4V){
|
| 2261 |
s->mv_dir = MV_DIR_FORWARD; |
| 2262 |
s->mv_type = MV_TYPE_8X8; |
| 2263 |
s->mb_intra= 0;
|
| 2264 |
for(i=0; i<4; i++){ |
| 2265 |
s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0]; |
| 2266 |
s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1]; |
| 2267 |
} |
| 2268 |
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER4V, pb, pb2, tex_pb, |
| 2269 |
&dmin, &next_block, 0, 0); |
| 2270 |
} |
| 2271 |
if(mb_type&CANDIDATE_MB_TYPE_FORWARD){
|
| 2272 |
s->mv_dir = MV_DIR_FORWARD; |
| 2273 |
s->mv_type = MV_TYPE_16X16; |
| 2274 |
s->mb_intra= 0;
|
| 2275 |
s->mv[0][0][0] = s->b_forw_mv_table[xy][0]; |
| 2276 |
s->mv[0][0][1] = s->b_forw_mv_table[xy][1]; |
| 2277 |
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD, pb, pb2, tex_pb, |
| 2278 |
&dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]); |
| 2279 |
} |
| 2280 |
if(mb_type&CANDIDATE_MB_TYPE_BACKWARD){
|
| 2281 |
s->mv_dir = MV_DIR_BACKWARD; |
| 2282 |
s->mv_type = MV_TYPE_16X16; |
| 2283 |
s->mb_intra= 0;
|
| 2284 |
s->mv[1][0][0] = s->b_back_mv_table[xy][0]; |
| 2285 |
s->mv[1][0][1] = s->b_back_mv_table[xy][1]; |
| 2286 |
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD, pb, pb2, tex_pb, |
| 2287 |
&dmin, &next_block, s->mv[1][0][0], s->mv[1][0][1]); |
| 2288 |
} |
| 2289 |
if(mb_type&CANDIDATE_MB_TYPE_BIDIR){
|
| 2290 |
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD; |
| 2291 |
s->mv_type = MV_TYPE_16X16; |
| 2292 |
s->mb_intra= 0;
|
| 2293 |
s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0]; |
| 2294 |
s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1]; |
| 2295 |
s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0]; |
| 2296 |
s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1]; |
| 2297 |
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR, pb, pb2, tex_pb, |
| 2298 |
&dmin, &next_block, 0, 0); |
| 2299 |
} |
| 2300 |
if(mb_type&CANDIDATE_MB_TYPE_FORWARD_I){
|
| 2301 |
s->mv_dir = MV_DIR_FORWARD; |
| 2302 |
s->mv_type = MV_TYPE_FIELD; |
| 2303 |
s->mb_intra= 0;
|
| 2304 |
for(i=0; i<2; i++){ |
| 2305 |
j= s->field_select[0][i] = s->b_field_select_table[0][i][xy]; |
| 2306 |
s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0]; |
| 2307 |
s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1]; |
| 2308 |
} |
| 2309 |
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD_I, pb, pb2, tex_pb, |
| 2310 |
&dmin, &next_block, 0, 0); |
| 2311 |
} |
| 2312 |
if(mb_type&CANDIDATE_MB_TYPE_BACKWARD_I){
|
| 2313 |
s->mv_dir = MV_DIR_BACKWARD; |
| 2314 |
s->mv_type = MV_TYPE_FIELD; |
| 2315 |
s->mb_intra= 0;
|
| 2316 |
for(i=0; i<2; i++){ |
| 2317 |
j= s->field_select[1][i] = s->b_field_select_table[1][i][xy]; |
| 2318 |
s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0]; |
| 2319 |
s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1]; |
| 2320 |
} |
| 2321 |
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD_I, pb, pb2, tex_pb, |
| 2322 |
&dmin, &next_block, 0, 0); |
| 2323 |
} |
| 2324 |
if(mb_type&CANDIDATE_MB_TYPE_BIDIR_I){
|
| 2325 |
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD; |
| 2326 |
s->mv_type = MV_TYPE_FIELD; |
| 2327 |
s->mb_intra= 0;
|
| 2328 |
for(dir=0; dir<2; dir++){ |
| 2329 |
for(i=0; i<2; i++){ |
| 2330 |
j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy]; |
| 2331 |
s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0]; |
| 2332 |
s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1]; |
| 2333 |
} |
| 2334 |
} |
| 2335 |
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR_I, pb, pb2, tex_pb, |
| 2336 |
&dmin, &next_block, 0, 0); |
| 2337 |
} |
| 2338 |
if(mb_type&CANDIDATE_MB_TYPE_INTRA){
|
| 2339 |
s->mv_dir = 0;
|
| 2340 |
s->mv_type = MV_TYPE_16X16; |
| 2341 |
s->mb_intra= 1;
|
| 2342 |
s->mv[0][0][0] = 0; |
| 2343 |
s->mv[0][0][1] = 0; |
| 2344 |
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTRA, pb, pb2, tex_pb, |
| 2345 |
&dmin, &next_block, 0, 0); |
| 2346 |
if(s->h263_pred || s->h263_aic){
|
| 2347 |
if(best_s.mb_intra)
|
| 2348 |
s->mbintra_table[mb_x + mb_y*s->mb_stride]=1;
|
| 2349 |
else
|
| 2350 |
ff_clean_intra_table_entries(s); //old mode?
|
| 2351 |
} |
| 2352 |
} |
| 2353 |
|
| 2354 |
if((s->flags & CODEC_FLAG_QP_RD) && dmin < INT_MAX){
|
| 2355 |
if(best_s.mv_type==MV_TYPE_16X16){ //FIXME move 4mv after QPRD |
| 2356 |
const int last_qp= backup_s.qscale; |
| 2357 |
int qpi, qp, dc[6]; |
| 2358 |
DCTELEM ac[6][16]; |
| 2359 |
const int mvdir= (best_s.mv_dir&MV_DIR_BACKWARD) ? 1 : 0; |
| 2360 |
static const int dquant_tab[4]={-1,1,-2,2}; |
| 2361 |
|
| 2362 |
assert(backup_s.dquant == 0);
|
| 2363 |
|
| 2364 |
//FIXME intra
|
| 2365 |
s->mv_dir= best_s.mv_dir; |
| 2366 |
s->mv_type = MV_TYPE_16X16; |
| 2367 |
s->mb_intra= best_s.mb_intra; |
| 2368 |
s->mv[0][0][0] = best_s.mv[0][0][0]; |
| 2369 |
s->mv[0][0][1] = best_s.mv[0][0][1]; |
| 2370 |
s->mv[1][0][0] = best_s.mv[1][0][0]; |
| 2371 |
s->mv[1][0][1] = best_s.mv[1][0][1]; |
| 2372 |
|
| 2373 |
qpi = s->pict_type == FF_B_TYPE ? 2 : 0; |
| 2374 |
for(; qpi<4; qpi++){ |
| 2375 |
int dquant= dquant_tab[qpi];
|
| 2376 |
qp= last_qp + dquant; |
| 2377 |
if(qp < s->avctx->qmin || qp > s->avctx->qmax)
|
| 2378 |
continue;
|
| 2379 |
backup_s.dquant= dquant; |
| 2380 |
if(s->mb_intra && s->dc_val[0]){ |
| 2381 |
for(i=0; i<6; i++){ |
| 2382 |
dc[i]= s->dc_val[0][ s->block_index[i] ];
|
| 2383 |
memcpy(ac[i], s->ac_val[0][s->block_index[i]], sizeof(DCTELEM)*16); |
| 2384 |
} |
| 2385 |
} |
| 2386 |
|
| 2387 |
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
|
| 2388 |
&dmin, &next_block, s->mv[mvdir][0][0], s->mv[mvdir][0][1]); |
| 2389 |
if(best_s.qscale != qp){
|
| 2390 |
if(s->mb_intra && s->dc_val[0]){ |
| 2391 |
for(i=0; i<6; i++){ |
| 2392 |
s->dc_val[0][ s->block_index[i] ]= dc[i];
|
| 2393 |
memcpy(s->ac_val[0][s->block_index[i]], ac[i], sizeof(DCTELEM)*16); |
| 2394 |
} |
| 2395 |
} |
| 2396 |
} |
| 2397 |
} |
| 2398 |
} |
| 2399 |
} |
| 2400 |
if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT){
|
| 2401 |
int mx= s->b_direct_mv_table[xy][0]; |
| 2402 |
int my= s->b_direct_mv_table[xy][1]; |
| 2403 |
|
| 2404 |
backup_s.dquant = 0;
|
| 2405 |
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT; |
| 2406 |
s->mb_intra= 0;
|
| 2407 |
ff_mpeg4_set_direct_mv(s, mx, my); |
| 2408 |
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb, |
| 2409 |
&dmin, &next_block, mx, my); |
| 2410 |
} |
| 2411 |
if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT0){
|
| 2412 |
backup_s.dquant = 0;
|
| 2413 |
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT; |
| 2414 |
s->mb_intra= 0;
|
| 2415 |
ff_mpeg4_set_direct_mv(s, 0, 0); |
| 2416 |
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb, |
| 2417 |
&dmin, &next_block, 0, 0); |
| 2418 |
} |
| 2419 |
if(!best_s.mb_intra && s->flags2&CODEC_FLAG2_SKIP_RD){
|
| 2420 |
int coded=0; |
| 2421 |
for(i=0; i<6; i++) |
| 2422 |
coded |= s->block_last_index[i]; |
| 2423 |
if(coded){
|
| 2424 |
int mx,my;
|
| 2425 |
memcpy(s->mv, best_s.mv, sizeof(s->mv));
|
| 2426 |
if(CONFIG_MPEG4_ENCODER && best_s.mv_dir & MV_DIRECT){
|
| 2427 |
mx=my=0; //FIXME find the one we actually used |
| 2428 |
ff_mpeg4_set_direct_mv(s, mx, my); |
| 2429 |
}else if(best_s.mv_dir&MV_DIR_BACKWARD){ |
| 2430 |
mx= s->mv[1][0][0]; |
| 2431 |
my= s->mv[1][0][1]; |
| 2432 |
}else{
|
| 2433 |
mx= s->mv[0][0][0]; |
| 2434 |
my= s->mv[0][0][1]; |
| 2435 |
} |
| 2436 |
|
| 2437 |
s->mv_dir= best_s.mv_dir; |
| 2438 |
s->mv_type = best_s.mv_type; |
| 2439 |
s->mb_intra= 0;
|
| 2440 |
/* s->mv[0][0][0] = best_s.mv[0][0][0];
|
| 2441 |
s->mv[0][0][1] = best_s.mv[0][0][1];
|
| 2442 |
s->mv[1][0][0] = best_s.mv[1][0][0];
|
| 2443 |
s->mv[1][0][1] = best_s.mv[1][0][1];*/
|
| 2444 |
backup_s.dquant= 0;
|
| 2445 |
s->skipdct=1;
|
| 2446 |
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
|
| 2447 |
&dmin, &next_block, mx, my); |
| 2448 |
s->skipdct=0;
|
| 2449 |
} |
| 2450 |
} |
| 2451 |
|
| 2452 |
s->current_picture.qscale_table[xy]= best_s.qscale; |
| 2453 |
|
| 2454 |
copy_context_after_encode(s, &best_s, -1);
|
| 2455 |
|
| 2456 |
pb_bits_count= put_bits_count(&s->pb); |
| 2457 |
flush_put_bits(&s->pb); |
| 2458 |
ff_copy_bits(&backup_s.pb, bit_buf[next_block^1], pb_bits_count);
|
| 2459 |
s->pb= backup_s.pb; |
| 2460 |
|
| 2461 |
if(s->data_partitioning){
|
| 2462 |
pb2_bits_count= put_bits_count(&s->pb2); |
| 2463 |
flush_put_bits(&s->pb2); |
| 2464 |
ff_copy_bits(&backup_s.pb2, bit_buf2[next_block^1], pb2_bits_count);
|
| 2465 |
s->pb2= backup_s.pb2; |
| 2466 |
|
| 2467 |
tex_pb_bits_count= put_bits_count(&s->tex_pb); |
| 2468 |
flush_put_bits(&s->tex_pb); |
| 2469 |
ff_copy_bits(&backup_s.tex_pb, bit_buf_tex[next_block^1], tex_pb_bits_count);
|
| 2470 |
s->tex_pb= backup_s.tex_pb; |
| 2471 |
} |
| 2472 |
s->last_bits= put_bits_count(&s->pb); |
| 2473 |
|
| 2474 |
if (CONFIG_H263_ENCODER &&
|
| 2475 |
s->out_format == FMT_H263 && s->pict_type!=FF_B_TYPE) |
| 2476 |
ff_h263_update_motion_val(s); |
| 2477 |
|
| 2478 |
if(next_block==0){ //FIXME 16 vs linesize16 |
| 2479 |
s->dsp.put_pixels_tab[0][0](s->dest[0], s->rd_scratchpad , s->linesize ,16); |
| 2480 |
s->dsp.put_pixels_tab[1][0](s->dest[1], s->rd_scratchpad + 16*s->linesize , s->uvlinesize, 8); |
| 2481 |
s->dsp.put_pixels_tab[1][0](s->dest[2], s->rd_scratchpad + 16*s->linesize + 8, s->uvlinesize, 8); |
| 2482 |
} |
| 2483 |
|
| 2484 |
if(s->avctx->mb_decision == FF_MB_DECISION_BITS)
|
| 2485 |
MPV_decode_mb(s, s->block); |
| 2486 |
} else {
|
| 2487 |
int motion_x = 0, motion_y = 0; |
| 2488 |
s->mv_type=MV_TYPE_16X16; |
| 2489 |
// only one MB-Type possible
|
| 2490 |
|
| 2491 |
switch(mb_type){
|
| 2492 |
case CANDIDATE_MB_TYPE_INTRA:
|
| 2493 |
s->mv_dir = 0;
|
| 2494 |
s->mb_intra= 1;
|
| 2495 |
motion_x= s->mv[0][0][0] = 0; |
| 2496 |
motion_y= s->mv[0][0][1] = 0; |
| 2497 |
break;
|
| 2498 |
case CANDIDATE_MB_TYPE_INTER:
|
| 2499 |
s->mv_dir = MV_DIR_FORWARD; |
| 2500 |
s->mb_intra= 0;
|
| 2501 |
motion_x= s->mv[0][0][0] = s->p_mv_table[xy][0]; |
| 2502 |
motion_y= s->mv[0][0][1] = s->p_mv_table[xy][1]; |
| 2503 |
break;
|
| 2504 |
case CANDIDATE_MB_TYPE_INTER_I:
|
| 2505 |
s->mv_dir = MV_DIR_FORWARD; |
| 2506 |
s->mv_type = MV_TYPE_FIELD; |
| 2507 |
s->mb_intra= 0;
|
| 2508 |
for(i=0; i<2; i++){ |
| 2509 |
j= s->field_select[0][i] = s->p_field_select_table[i][xy];
|
| 2510 |
s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0]; |
| 2511 |
s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1]; |
| 2512 |
} |
| 2513 |
break;
|
| 2514 |
case CANDIDATE_MB_TYPE_INTER4V:
|
| 2515 |
s->mv_dir = MV_DIR_FORWARD; |
| 2516 |
s->mv_type = MV_TYPE_8X8; |
| 2517 |
s->mb_intra= 0;
|
| 2518 |
for(i=0; i<4; i++){ |
| 2519 |
s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0]; |
| 2520 |
s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1]; |
| 2521 |
} |
| 2522 |
break;
|
| 2523 |
case CANDIDATE_MB_TYPE_DIRECT:
|
| 2524 |
if (CONFIG_MPEG4_ENCODER) {
|
| 2525 |
s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT; |
| 2526 |
s->mb_intra= 0;
|
| 2527 |
motion_x=s->b_direct_mv_table[xy][0];
|
| 2528 |
motion_y=s->b_direct_mv_table[xy][1];
|
| 2529 |
ff_mpeg4_set_direct_mv(s, motion_x, motion_y); |
| 2530 |
} |
| 2531 |
break;
|
| 2532 |
case CANDIDATE_MB_TYPE_DIRECT0:
|
| 2533 |
if (CONFIG_MPEG4_ENCODER) {
|
| 2534 |
s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT; |
| 2535 |
s->mb_intra= 0;
|
| 2536 |
ff_mpeg4_set_direct_mv(s, 0, 0); |
| 2537 |
} |
| 2538 |
break;
|
| 2539 |
case CANDIDATE_MB_TYPE_BIDIR:
|
| 2540 |
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD; |
| 2541 |
s->mb_intra= 0;
|
| 2542 |
s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0]; |
| 2543 |
s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1]; |
| 2544 |
s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0]; |
| 2545 |
s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1]; |
| 2546 |
break;
|
| 2547 |
case CANDIDATE_MB_TYPE_BACKWARD:
|
| 2548 |
s->mv_dir = MV_DIR_BACKWARD; |
| 2549 |
s->mb_intra= 0;
|
| 2550 |
motion_x= s->mv[1][0][0] = s->b_back_mv_table[xy][0]; |
| 2551 |
motion_y= s->mv[1][0][1] = s->b_back_mv_table[xy][1]; |
| 2552 |
break;
|
| 2553 |
case CANDIDATE_MB_TYPE_FORWARD:
|
| 2554 |
s->mv_dir = MV_DIR_FORWARD; |
| 2555 |
s->mb_intra= 0;
|
| 2556 |
motion_x= s->mv[0][0][0] = s->b_forw_mv_table[xy][0]; |
| 2557 |
motion_y= s->mv[0][0][1] = s->b_forw_mv_table[xy][1]; |
| 2558 |
// printf(" %d %d ", motion_x, motion_y);
|
| 2559 |
break;
|
| 2560 |
case CANDIDATE_MB_TYPE_FORWARD_I:
|
| 2561 |
s->mv_dir = MV_DIR_FORWARD; |
| 2562 |
s->mv_type = MV_TYPE_FIELD; |
| 2563 |
s->mb_intra= 0;
|
| 2564 |
for(i=0; i<2; i++){ |
| 2565 |
j= s->field_select[0][i] = s->b_field_select_table[0][i][xy]; |
| 2566 |
s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0]; |
| 2567 |
s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1]; |
| 2568 |
} |
| 2569 |
break;
|
| 2570 |
case CANDIDATE_MB_TYPE_BACKWARD_I:
|
| 2571 |
s->mv_dir = MV_DIR_BACKWARD; |
| 2572 |
s->mv_type = MV_TYPE_FIELD; |
| 2573 |
s->mb_intra= 0;
|
| 2574 |
for(i=0; i<2; i++){ |
| 2575 |
j= s->field_select[1][i] = s->b_field_select_table[1][i][xy]; |
| 2576 |
s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0]; |
| 2577 |
s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1]; |
| 2578 |
} |
| 2579 |
break;
|
| 2580 |
case CANDIDATE_MB_TYPE_BIDIR_I:
|
| 2581 |
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD; |
| 2582 |
s->mv_type = MV_TYPE_FIELD; |
| 2583 |
s->mb_intra= 0;
|
| 2584 |
for(dir=0; dir<2; dir++){ |
| 2585 |
for(i=0; i<2; i++){ |
| 2586 |
j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy]; |
| 2587 |
s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0]; |
| 2588 |
s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1]; |
| 2589 |
} |
| 2590 |
} |
| 2591 |
break;
|
| 2592 |
default:
|
| 2593 |
av_log(s->avctx, AV_LOG_ERROR, "illegal MB type\n");
|
| 2594 |
} |
| 2595 |
|
| 2596 |
encode_mb(s, motion_x, motion_y); |
| 2597 |
|
| 2598 |
// RAL: Update last macroblock type
|
| 2599 |
s->last_mv_dir = s->mv_dir; |
| 2600 |
|
| 2601 |
if (CONFIG_H263_ENCODER &&
|
| 2602 |
s->out_format == FMT_H263 && s->pict_type!=FF_B_TYPE) |
| 2603 |
ff_h263_update_motion_val(s); |
| 2604 |
|
| 2605 |
MPV_decode_mb(s, s->block); |
| 2606 |
} |
| 2607 |
|
| 2608 |
/* clean the MV table in IPS frames for direct mode in B frames */
|
| 2609 |
if(s->mb_intra /* && I,P,S_TYPE */){ |
| 2610 |
s->p_mv_table[xy][0]=0; |
| 2611 |
s->p_mv_table[xy][1]=0; |
| 2612 |
} |
| 2613 |
|
| 2614 |
if(s->flags&CODEC_FLAG_PSNR){
|
| 2615 |
int w= 16; |
| 2616 |
int h= 16; |
| 2617 |
|
| 2618 |
if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16; |
| 2619 |
if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16; |
| 2620 |
|
| 2621 |
s->current_picture.error[0] += sse(
|
| 2622 |
s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, |
| 2623 |
s->dest[0], w, h, s->linesize);
|
| 2624 |
s->current_picture.error[1] += sse(
|
| 2625 |
s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h, |
| 2626 |
s->dest[1], w>>1, h>>s->chroma_y_shift, s->uvlinesize); |
| 2627 |
s->current_picture.error[2] += sse(
|
| 2628 |
s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h, |
| 2629 |
s->dest[2], w>>1, h>>s->chroma_y_shift, s->uvlinesize); |
| 2630 |
} |
| 2631 |
if(s->loop_filter){
|
| 2632 |
if(CONFIG_H263_ENCODER && s->out_format == FMT_H263)
|
| 2633 |
ff_h263_loop_filter(s); |
| 2634 |
} |
| 2635 |
//printf("MB %d %d bits\n", s->mb_x+s->mb_y*s->mb_stride, put_bits_count(&s->pb));
|
| 2636 |
} |
| 2637 |
} |
| 2638 |
|
| 2639 |
//not beautiful here but we must write it before flushing so it has to be here
|
| 2640 |
if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version && s->msmpeg4_version<4 && s->pict_type == FF_I_TYPE) |
| 2641 |
msmpeg4_encode_ext_header(s); |
| 2642 |
|
| 2643 |
write_slice_end(s); |
| 2644 |
|
| 2645 |
/* Send the last GOB if RTP */
|
| 2646 |
if (s->avctx->rtp_callback) {
|
| 2647 |
int number_mb = (mb_y - s->resync_mb_y)*s->mb_width - s->resync_mb_x;
|
| 2648 |
pdif = put_bits_ptr(&s->pb) - s->ptr_lastgob; |
| 2649 |
/* Call the RTP callback to send the last GOB */
|
| 2650 |
emms_c(); |
| 2651 |
s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, pdif, number_mb); |
| 2652 |
} |
| 2653 |
|
| 2654 |
return 0; |
| 2655 |
} |
| 2656 |
|
| 2657 |
#define MERGE(field) dst->field += src->field; src->field=0 |
| 2658 |
static void merge_context_after_me(MpegEncContext *dst, MpegEncContext *src){ |
| 2659 |
MERGE(me.scene_change_score); |
| 2660 |
MERGE(me.mc_mb_var_sum_temp); |
| 2661 |
MERGE(me.mb_var_sum_temp); |
| 2662 |
} |
| 2663 |
|
| 2664 |
static void merge_context_after_encode(MpegEncContext *dst, MpegEncContext *src){ |
| 2665 |
int i;
|
| 2666 |
|
| 2667 |
MERGE(dct_count[0]); //note, the other dct vars are not part of the context |
| 2668 |
MERGE(dct_count[1]);
|
| 2669 |
MERGE(mv_bits); |
| 2670 |
MERGE(i_tex_bits); |
| 2671 |
MERGE(p_tex_bits); |
| 2672 |
MERGE(i_count); |
| 2673 |
MERGE(f_count); |
| 2674 |
MERGE(b_count); |
| 2675 |
MERGE(skip_count); |
| 2676 |
MERGE(misc_bits); |
| 2677 |
MERGE(error_count); |
| 2678 |
MERGE(padding_bug_score); |
| 2679 |
MERGE(current_picture.error[0]);
|
| 2680 |
MERGE(current_picture.error[1]);
|
| 2681 |
MERGE(current_picture.error[2]);
|
| 2682 |
|
| 2683 |
if(dst->avctx->noise_reduction){
|
| 2684 |
for(i=0; i<64; i++){ |
| 2685 |
MERGE(dct_error_sum[0][i]);
|
| 2686 |
MERGE(dct_error_sum[1][i]);
|
| 2687 |
} |
| 2688 |
} |
| 2689 |
|
| 2690 |
assert(put_bits_count(&src->pb) % 8 ==0); |
| 2691 |
assert(put_bits_count(&dst->pb) % 8 ==0); |
| 2692 |
ff_copy_bits(&dst->pb, src->pb.buf, put_bits_count(&src->pb)); |
| 2693 |
flush_put_bits(&dst->pb); |
| 2694 |
} |
| 2695 |
|
| 2696 |
static int estimate_qp(MpegEncContext *s, int dry_run){ |
| 2697 |
if (s->next_lambda){
|
| 2698 |
s->current_picture_ptr->quality= |
| 2699 |
s->current_picture.quality = s->next_lambda; |
| 2700 |
if(!dry_run) s->next_lambda= 0; |
| 2701 |
} else if (!s->fixed_qscale) { |
| 2702 |
s->current_picture_ptr->quality= |
| 2703 |
s->current_picture.quality = ff_rate_estimate_qscale(s, dry_run); |
| 2704 |
if (s->current_picture.quality < 0) |
| 2705 |
return -1; |
| 2706 |
} |
| 2707 |
|
| 2708 |
if(s->adaptive_quant){
|
| 2709 |
switch(s->codec_id){
|
| 2710 |
case CODEC_ID_MPEG4:
|
| 2711 |
if (CONFIG_MPEG4_ENCODER)
|
| 2712 |
ff_clean_mpeg4_qscales(s); |
| 2713 |
break;
|
| 2714 |
case CODEC_ID_H263:
|
| 2715 |
case CODEC_ID_H263P:
|
| 2716 |
case CODEC_ID_FLV1:
|
| 2717 |
if (CONFIG_H263_ENCODER)
|
| 2718 |
ff_clean_h263_qscales(s); |
| 2719 |
break;
|
| 2720 |
default:
|
| 2721 |
ff_init_qscale_tab(s); |
| 2722 |
} |
| 2723 |
|
| 2724 |
s->lambda= s->lambda_table[0];
|
| 2725 |
//FIXME broken
|
| 2726 |
}else
|
| 2727 |
s->lambda= s->current_picture.quality; |
| 2728 |
//printf("%d %d\n", s->avctx->global_quality, s->current_picture.quality);
|
| 2729 |
update_qscale(s); |
| 2730 |
return 0; |
| 2731 |
} |
| 2732 |
|
| 2733 |
/* must be called before writing the header */
|
| 2734 |
static void set_frame_distances(MpegEncContext * s){ |
| 2735 |
assert(s->current_picture_ptr->pts != AV_NOPTS_VALUE); |
| 2736 |
s->time= s->current_picture_ptr->pts*s->avctx->time_base.num; |
| 2737 |
|
| 2738 |
if(s->pict_type==FF_B_TYPE){
|
| 2739 |
s->pb_time= s->pp_time - (s->last_non_b_time - s->time); |
| 2740 |
assert(s->pb_time > 0 && s->pb_time < s->pp_time);
|
| 2741 |
}else{
|
| 2742 |
s->pp_time= s->time - s->last_non_b_time; |
| 2743 |
s->last_non_b_time= s->time; |
| 2744 |
assert(s->picture_number==0 || s->pp_time > 0); |
| 2745 |
} |
| 2746 |
} |
| 2747 |
|
| 2748 |
static int encode_picture(MpegEncContext *s, int picture_number) |
| 2749 |
{
|
| 2750 |
int i;
|
| 2751 |
int bits;
|
| 2752 |
|
| 2753 |
s->picture_number = picture_number; |
| 2754 |
|
| 2755 |
/* Reset the average MB variance */
|
| 2756 |
s->me.mb_var_sum_temp = |
| 2757 |
s->me.mc_mb_var_sum_temp = 0;
|
| 2758 |
|
| 2759 |
/* we need to initialize some time vars before we can encode b-frames */
|
| 2760 |
// RAL: Condition added for MPEG1VIDEO
|
| 2761 |
if (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO || (s->h263_pred && !s->h263_msmpeg4))
|
| 2762 |
set_frame_distances(s); |
| 2763 |
if(CONFIG_MPEG4_ENCODER && s->codec_id == CODEC_ID_MPEG4)
|
| 2764 |
ff_set_mpeg4_time(s); |
| 2765 |
|
| 2766 |
s->me.scene_change_score=0;
|
| 2767 |
|
| 2768 |
// s->lambda= s->current_picture_ptr->quality; //FIXME qscale / ... stuff for ME rate distortion
|
| 2769 |
|
| 2770 |
if(s->pict_type==FF_I_TYPE){
|
| 2771 |
if(s->msmpeg4_version >= 3) s->no_rounding=1; |
| 2772 |
else s->no_rounding=0; |
| 2773 |
}else if(s->pict_type!=FF_B_TYPE){ |
| 2774 |
if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
|
| 2775 |
s->no_rounding ^= 1;
|
| 2776 |
} |
| 2777 |
|
| 2778 |
if(s->flags & CODEC_FLAG_PASS2){
|
| 2779 |
if (estimate_qp(s,1) < 0) |
| 2780 |
return -1; |
| 2781 |
ff_get_2pass_fcode(s); |
| 2782 |
}else if(!(s->flags & CODEC_FLAG_QSCALE)){ |
| 2783 |
if(s->pict_type==FF_B_TYPE)
|
| 2784 |
s->lambda= s->last_lambda_for[s->pict_type]; |
| 2785 |
else
|
| 2786 |
s->lambda= s->last_lambda_for[s->last_non_b_pict_type]; |
| 2787 |
update_qscale(s); |
| 2788 |
} |
| 2789 |
|
| 2790 |
s->mb_intra=0; //for the rate distortion & bit compare functions |
| 2791 |
for(i=1; i<s->avctx->thread_count; i++){ |
| 2792 |
ff_update_duplicate_context(s->thread_context[i], s); |
| 2793 |
} |
| 2794 |
|
| 2795 |
if(ff_init_me(s)<0) |
| 2796 |
return -1; |
| 2797 |
|
| 2798 |
/* Estimate motion for every MB */
|
| 2799 |
if(s->pict_type != FF_I_TYPE){
|
| 2800 |
s->lambda = (s->lambda * s->avctx->me_penalty_compensation + 128)>>8; |
| 2801 |
s->lambda2= (s->lambda2* (int64_t)s->avctx->me_penalty_compensation + 128)>>8; |
| 2802 |
if(s->pict_type != FF_B_TYPE && s->avctx->me_threshold==0){ |
| 2803 |
if((s->avctx->pre_me && s->last_non_b_pict_type==FF_I_TYPE) || s->avctx->pre_me==2){ |
| 2804 |
s->avctx->execute(s->avctx, pre_estimate_motion_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*)); |
| 2805 |
} |
| 2806 |
} |
| 2807 |
|
| 2808 |
s->avctx->execute(s->avctx, estimate_motion_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*)); |
| 2809 |
}else /* if(s->pict_type == FF_I_TYPE) */{ |
| 2810 |
/* I-Frame */
|
| 2811 |
for(i=0; i<s->mb_stride*s->mb_height; i++) |
| 2812 |
s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA; |
| 2813 |
|
| 2814 |
if(!s->fixed_qscale){
|
| 2815 |
/* finding spatial complexity for I-frame rate control */
|
| 2816 |
s->avctx->execute(s->avctx, mb_var_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*)); |
| 2817 |
} |
| 2818 |
} |
| 2819 |
for(i=1; i<s->avctx->thread_count; i++){ |
| 2820 |
merge_context_after_me(s, s->thread_context[i]); |
| 2821 |
} |
| 2822 |
s->current_picture.mc_mb_var_sum= s->current_picture_ptr->mc_mb_var_sum= s->me.mc_mb_var_sum_temp; |
| 2823 |
s->current_picture. mb_var_sum= s->current_picture_ptr-> mb_var_sum= s->me. mb_var_sum_temp; |
| 2824 |
emms_c(); |
| 2825 |
|
| 2826 |
if(s->me.scene_change_score > s->avctx->scenechange_threshold && s->pict_type == FF_P_TYPE){
|
| 2827 |
s->pict_type= FF_I_TYPE; |
| 2828 |
for(i=0; i<s->mb_stride*s->mb_height; i++) |
| 2829 |
s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA; |
| 2830 |
//printf("Scene change detected, encoding as I Frame %d %d\n", s->current_picture.mb_var_sum, s->current_picture.mc_mb_var_sum);
|
| 2831 |
} |
| 2832 |
|
| 2833 |
if(!s->umvplus){
|
| 2834 |
if(s->pict_type==FF_P_TYPE || s->pict_type==FF_S_TYPE) {
|
| 2835 |
s->f_code= ff_get_best_fcode(s, s->p_mv_table, CANDIDATE_MB_TYPE_INTER); |
| 2836 |
|
| 2837 |
if(s->flags & CODEC_FLAG_INTERLACED_ME){
|
| 2838 |
int a,b;
|
| 2839 |
a= ff_get_best_fcode(s, s->p_field_mv_table[0][0], CANDIDATE_MB_TYPE_INTER_I); //FIXME field_select |
| 2840 |
b= ff_get_best_fcode(s, s->p_field_mv_table[1][1], CANDIDATE_MB_TYPE_INTER_I); |
| 2841 |
s->f_code= FFMAX3(s->f_code, a, b); |
| 2842 |
} |
| 2843 |
|
| 2844 |
ff_fix_long_p_mvs(s); |
| 2845 |
ff_fix_long_mvs(s, NULL, 0, s->p_mv_table, s->f_code, CANDIDATE_MB_TYPE_INTER, 0); |
| 2846 |
if(s->flags & CODEC_FLAG_INTERLACED_ME){
|
| 2847 |
int j;
|
| 2848 |
for(i=0; i<2; i++){ |
| 2849 |
for(j=0; j<2; j++) |
| 2850 |
ff_fix_long_mvs(s, s->p_field_select_table[i], j, |
| 2851 |
s->p_field_mv_table[i][j], s->f_code, CANDIDATE_MB_TYPE_INTER_I, 0);
|
| 2852 |
} |
| 2853 |
} |
| 2854 |
} |
| 2855 |
|
| 2856 |
if(s->pict_type==FF_B_TYPE){
|
| 2857 |
int a, b;
|
| 2858 |
|
| 2859 |
a = ff_get_best_fcode(s, s->b_forw_mv_table, CANDIDATE_MB_TYPE_FORWARD); |
| 2860 |
b = ff_get_best_fcode(s, s->b_bidir_forw_mv_table, CANDIDATE_MB_TYPE_BIDIR); |
| 2861 |
s->f_code = FFMAX(a, b); |
| 2862 |
|
| 2863 |
a = ff_get_best_fcode(s, s->b_back_mv_table, CANDIDATE_MB_TYPE_BACKWARD); |
| 2864 |
b = ff_get_best_fcode(s, s->b_bidir_back_mv_table, CANDIDATE_MB_TYPE_BIDIR); |
| 2865 |
s->b_code = FFMAX(a, b); |
| 2866 |
|
| 2867 |
ff_fix_long_mvs(s, NULL, 0, s->b_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_FORWARD, 1); |
| 2868 |
ff_fix_long_mvs(s, NULL, 0, s->b_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BACKWARD, 1); |
| 2869 |
ff_fix_long_mvs(s, NULL, 0, s->b_bidir_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_BIDIR, 1); |
| 2870 |
ff_fix_long_mvs(s, NULL, 0, s->b_bidir_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BIDIR, 1); |
| 2871 |
if(s->flags & CODEC_FLAG_INTERLACED_ME){
|
| 2872 |
int dir, j;
|
| 2873 |
for(dir=0; dir<2; dir++){ |
| 2874 |
for(i=0; i<2; i++){ |
| 2875 |
for(j=0; j<2; j++){ |
| 2876 |
int type= dir ? (CANDIDATE_MB_TYPE_BACKWARD_I|CANDIDATE_MB_TYPE_BIDIR_I)
|
| 2877 |
: (CANDIDATE_MB_TYPE_FORWARD_I |CANDIDATE_MB_TYPE_BIDIR_I); |
| 2878 |
ff_fix_long_mvs(s, s->b_field_select_table[dir][i], j, |
| 2879 |
s->b_field_mv_table[dir][i][j], dir ? s->b_code : s->f_code, type, 1);
|
| 2880 |
} |
| 2881 |
} |
| 2882 |
} |
| 2883 |
} |
| 2884 |
} |
| 2885 |
} |
| 2886 |
|
| 2887 |
if (estimate_qp(s, 0) < 0) |
| 2888 |
return -1; |
| 2889 |
|
| 2890 |
if(s->qscale < 3 && s->max_qcoeff<=128 && s->pict_type==FF_I_TYPE && !(s->flags & CODEC_FLAG_QSCALE)) |
| 2891 |
s->qscale= 3; //reduce clipping problems |
| 2892 |
|
| 2893 |
if (s->out_format == FMT_MJPEG) {
|
| 2894 |
/* for mjpeg, we do include qscale in the matrix */
|
| 2895 |
s->intra_matrix[0] = ff_mpeg1_default_intra_matrix[0]; |
| 2896 |
for(i=1;i<64;i++){ |
| 2897 |
int j= s->dsp.idct_permutation[i];
|
| 2898 |
|
| 2899 |
s->intra_matrix[j] = av_clip_uint8((ff_mpeg1_default_intra_matrix[i] * s->qscale) >> 3);
|
| 2900 |
} |
| 2901 |
ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16, |
| 2902 |
s->intra_matrix, s->intra_quant_bias, 8, 8, 1); |
| 2903 |
s->qscale= 8;
|
| 2904 |
} |
| 2905 |
|
| 2906 |
//FIXME var duplication
|
| 2907 |
s->current_picture_ptr->key_frame= |
| 2908 |
s->current_picture.key_frame= s->pict_type == FF_I_TYPE; //FIXME pic_ptr
|
| 2909 |
s->current_picture_ptr->pict_type= |
| 2910 |
s->current_picture.pict_type= s->pict_type; |
| 2911 |
|
| 2912 |
if(s->current_picture.key_frame)
|
| 2913 |
s->picture_in_gop_number=0;
|
| 2914 |
|
| 2915 |
s->last_bits= put_bits_count(&s->pb); |
| 2916 |
switch(s->out_format) {
|
| 2917 |
case FMT_MJPEG:
|
| 2918 |
if (CONFIG_MJPEG_ENCODER)
|
| 2919 |
ff_mjpeg_encode_picture_header(s); |
| 2920 |
break;
|
| 2921 |
case FMT_H261:
|
| 2922 |
if (CONFIG_H261_ENCODER)
|
| 2923 |
ff_h261_encode_picture_header(s, picture_number); |
| 2924 |
break;
|
| 2925 |
case FMT_H263:
|
| 2926 |
if (CONFIG_WMV2_ENCODER && s->codec_id == CODEC_ID_WMV2)
|
| 2927 |
ff_wmv2_encode_picture_header(s, picture_number); |
| 2928 |
else if (CONFIG_MSMPEG4_ENCODER && s->h263_msmpeg4) |
| 2929 |
msmpeg4_encode_picture_header(s, picture_number); |
| 2930 |
else if (CONFIG_MPEG4_ENCODER && s->h263_pred) |
| 2931 |
mpeg4_encode_picture_header(s, picture_number); |
| 2932 |
else if (CONFIG_RV10_ENCODER && s->codec_id == CODEC_ID_RV10) |
| 2933 |
rv10_encode_picture_header(s, picture_number); |
| 2934 |
else if (CONFIG_RV20_ENCODER && s->codec_id == CODEC_ID_RV20) |
| 2935 |
rv20_encode_picture_header(s, picture_number); |
| 2936 |
else if (CONFIG_FLV_ENCODER && s->codec_id == CODEC_ID_FLV1) |
| 2937 |
ff_flv_encode_picture_header(s, picture_number); |
| 2938 |
else if (CONFIG_H263_ENCODER) |
| 2939 |
h263_encode_picture_header(s, picture_number); |
| 2940 |
break;
|
| 2941 |
case FMT_MPEG1:
|
| 2942 |
if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
|
| 2943 |
mpeg1_encode_picture_header(s, picture_number); |
| 2944 |
break;
|
| 2945 |
case FMT_H264:
|
| 2946 |
break;
|
| 2947 |
default:
|
| 2948 |
assert(0);
|
| 2949 |
} |
| 2950 |
bits= put_bits_count(&s->pb); |
| 2951 |
s->header_bits= bits - s->last_bits; |
| 2952 |
|
| 2953 |
for(i=1; i<s->avctx->thread_count; i++){ |
| 2954 |
update_duplicate_context_after_me(s->thread_context[i], s); |
| 2955 |
} |
| 2956 |
s->avctx->execute(s->avctx, encode_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*)); |
| 2957 |
for(i=1; i<s->avctx->thread_count; i++){ |
| 2958 |
merge_context_after_encode(s, s->thread_context[i]); |
| 2959 |
} |
| 2960 |
emms_c(); |
| 2961 |
return 0; |
| 2962 |
} |
| 2963 |
|
| 2964 |
void denoise_dct_c(MpegEncContext *s, DCTELEM *block){
|
| 2965 |
const int intra= s->mb_intra; |
| 2966 |
int i;
|
| 2967 |
|
| 2968 |
s->dct_count[intra]++; |
| 2969 |
|
| 2970 |
for(i=0; i<64; i++){ |
| 2971 |
int level= block[i];
|
| 2972 |
|
| 2973 |
if(level){
|
| 2974 |
if(level>0){ |
| 2975 |
s->dct_error_sum[intra][i] += level; |
| 2976 |
level -= s->dct_offset[intra][i]; |
| 2977 |
if(level<0) level=0; |
| 2978 |
}else{
|
| 2979 |
s->dct_error_sum[intra][i] -= level; |
| 2980 |
level += s->dct_offset[intra][i]; |
| 2981 |
if(level>0) level=0; |
| 2982 |
} |
| 2983 |
block[i]= level; |
| 2984 |
} |
| 2985 |
} |
| 2986 |
} |
| 2987 |
|
| 2988 |
int dct_quantize_trellis_c(MpegEncContext *s,
|
| 2989 |
DCTELEM *block, int n,
|
| 2990 |
int qscale, int *overflow){ |
| 2991 |
const int *qmat; |
| 2992 |
const uint8_t *scantable= s->intra_scantable.scantable;
|
| 2993 |
const uint8_t *perm_scantable= s->intra_scantable.permutated;
|
| 2994 |
int max=0; |
| 2995 |
unsigned int threshold1, threshold2; |
| 2996 |
int bias=0; |
| 2997 |
int run_tab[65]; |
| 2998 |
int level_tab[65]; |
| 2999 |
int score_tab[65]; |
| 3000 |
int survivor[65]; |
| 3001 |
int survivor_count;
|
| 3002 |
int last_run=0; |
| 3003 |
int last_level=0; |
| 3004 |
int last_score= 0; |
| 3005 |
int last_i;
|
| 3006 |
int coeff[2][64]; |
| 3007 |
int coeff_count[64]; |
| 3008 |
int qmul, qadd, start_i, last_non_zero, i, dc;
|
| 3009 |
const int esc_length= s->ac_esc_length; |
| 3010 |
uint8_t * length; |
| 3011 |
uint8_t * last_length; |
| 3012 |
const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6); |
| 3013 |
|
| 3014 |
s->dsp.fdct (block); |
| 3015 |
|
| 3016 |
if(s->dct_error_sum)
|
| 3017 |
s->denoise_dct(s, block); |
| 3018 |
qmul= qscale*16;
|
| 3019 |
qadd= ((qscale-1)|1)*8; |
| 3020 |
|
| 3021 |
if (s->mb_intra) {
|
| 3022 |
int q;
|
| 3023 |
if (!s->h263_aic) {
|
| 3024 |
if (n < 4) |
| 3025 |
q = s->y_dc_scale; |
| 3026 |
else
|
| 3027 |
q = s->c_dc_scale; |
| 3028 |
q = q << 3;
|
| 3029 |
} else{
|
| 3030 |
/* For AIC we skip quant/dequant of INTRADC */
|
| 3031 |
q = 1 << 3; |
| 3032 |
qadd=0;
|
| 3033 |
} |
| 3034 |
|
| 3035 |
/* note: block[0] is assumed to be positive */
|
| 3036 |
block[0] = (block[0] + (q >> 1)) / q; |
| 3037 |
start_i = 1;
|
| 3038 |
last_non_zero = 0;
|
| 3039 |
qmat = s->q_intra_matrix[qscale]; |
| 3040 |
if(s->mpeg_quant || s->out_format == FMT_MPEG1)
|
| 3041 |
bias= 1<<(QMAT_SHIFT-1); |
| 3042 |
length = s->intra_ac_vlc_length; |
| 3043 |
last_length= s->intra_ac_vlc_last_length; |
| 3044 |
} else {
|
| 3045 |
start_i = 0;
|
| 3046 |
last_non_zero = -1;
|
| 3047 |
qmat = s->q_inter_matrix[qscale]; |
| 3048 |
length = s->inter_ac_vlc_length; |
| 3049 |
last_length= s->inter_ac_vlc_last_length; |
| 3050 |
} |
| 3051 |
last_i= start_i; |
| 3052 |
|
| 3053 |
threshold1= (1<<QMAT_SHIFT) - bias - 1; |
| 3054 |
threshold2= (threshold1<<1);
|
| 3055 |
|
| 3056 |
for(i=63; i>=start_i; i--) { |
| 3057 |
const int j = scantable[i]; |
| 3058 |
int level = block[j] * qmat[j];
|
| 3059 |
|
| 3060 |
if(((unsigned)(level+threshold1))>threshold2){ |
| 3061 |
last_non_zero = i; |
| 3062 |
break;
|
| 3063 |
} |
| 3064 |
} |
| 3065 |
|
| 3066 |
for(i=start_i; i<=last_non_zero; i++) {
|
| 3067 |
const int j = scantable[i]; |
| 3068 |
int level = block[j] * qmat[j];
|
| 3069 |
|
| 3070 |
// if( bias+level >= (1<<(QMAT_SHIFT - 3))
|
| 3071 |
// || bias-level >= (1<<(QMAT_SHIFT - 3))){
|
| 3072 |
if(((unsigned)(level+threshold1))>threshold2){ |
| 3073 |
if(level>0){ |
| 3074 |
level= (bias + level)>>QMAT_SHIFT; |
| 3075 |
coeff[0][i]= level;
|
| 3076 |
coeff[1][i]= level-1; |
| 3077 |
// coeff[2][k]= level-2;
|
| 3078 |
}else{
|
| 3079 |
level= (bias - level)>>QMAT_SHIFT; |
| 3080 |
coeff[0][i]= -level;
|
| 3081 |
coeff[1][i]= -level+1; |
| 3082 |
// coeff[2][k]= -level+2;
|
| 3083 |
} |
| 3084 |
coeff_count[i]= FFMIN(level, 2);
|
| 3085 |
assert(coeff_count[i]); |
| 3086 |
max |=level; |
| 3087 |
}else{
|
| 3088 |
coeff[0][i]= (level>>31)|1; |
| 3089 |
coeff_count[i]= 1;
|
| 3090 |
} |
| 3091 |
} |
| 3092 |
|
| 3093 |
*overflow= s->max_qcoeff < max; //overflow might have happened
|
| 3094 |
|
| 3095 |
if(last_non_zero < start_i){
|
| 3096 |
memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM)); |
| 3097 |
return last_non_zero;
|
| 3098 |
} |
| 3099 |
|
| 3100 |
score_tab[start_i]= 0;
|
| 3101 |
survivor[0]= start_i;
|
| 3102 |
survivor_count= 1;
|
| 3103 |
|
| 3104 |
for(i=start_i; i<=last_non_zero; i++){
|
| 3105 |
int level_index, j, zero_distortion;
|
| 3106 |
int dct_coeff= FFABS(block[ scantable[i] ]);
|
| 3107 |
int best_score=256*256*256*120; |
| 3108 |
|
| 3109 |
if ( s->dsp.fdct == fdct_ifast
|
| 3110 |
#ifndef FAAN_POSTSCALE
|
| 3111 |
|| s->dsp.fdct == ff_faandct |
| 3112 |
#endif
|
| 3113 |
) |
| 3114 |
dct_coeff= (dct_coeff*ff_inv_aanscales[ scantable[i] ]) >> 12;
|
| 3115 |
zero_distortion= dct_coeff*dct_coeff; |
| 3116 |
|
| 3117 |
for(level_index=0; level_index < coeff_count[i]; level_index++){ |
| 3118 |
int distortion;
|
| 3119 |
int level= coeff[level_index][i];
|
| 3120 |
const int alevel= FFABS(level); |
| 3121 |
int unquant_coeff;
|
| 3122 |
|
| 3123 |
assert(level); |
| 3124 |
|
| 3125 |
if(s->out_format == FMT_H263){
|
| 3126 |
unquant_coeff= alevel*qmul + qadd; |
| 3127 |
}else{ //MPEG1 |
| 3128 |
j= s->dsp.idct_permutation[ scantable[i] ]; //FIXME optimize
|
| 3129 |
if(s->mb_intra){
|
| 3130 |
unquant_coeff = (int)( alevel * qscale * s->intra_matrix[j]) >> 3; |
| 3131 |
unquant_coeff = (unquant_coeff - 1) | 1; |
| 3132 |
}else{
|
| 3133 |
unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[j])) >> 4; |
| 3134 |
unquant_coeff = (unquant_coeff - 1) | 1; |
| 3135 |
} |
| 3136 |
unquant_coeff<<= 3;
|
| 3137 |
} |
| 3138 |
|
| 3139 |
distortion= (unquant_coeff - dct_coeff) * (unquant_coeff - dct_coeff) - zero_distortion; |
| 3140 |
level+=64;
|
| 3141 |
if((level&(~127)) == 0){ |
| 3142 |
for(j=survivor_count-1; j>=0; j--){ |
| 3143 |
int run= i - survivor[j];
|
| 3144 |
int score= distortion + length[UNI_AC_ENC_INDEX(run, level)]*lambda;
|
| 3145 |
score += score_tab[i-run]; |
| 3146 |
|
| 3147 |
if(score < best_score){
|
| 3148 |
best_score= score; |
| 3149 |
run_tab[i+1]= run;
|
| 3150 |
level_tab[i+1]= level-64; |
| 3151 |
} |
| 3152 |
} |
| 3153 |
|
| 3154 |
if(s->out_format == FMT_H263){
|
| 3155 |
for(j=survivor_count-1; j>=0; j--){ |
| 3156 |
int run= i - survivor[j];
|
| 3157 |
int score= distortion + last_length[UNI_AC_ENC_INDEX(run, level)]*lambda;
|
| 3158 |
score += score_tab[i-run]; |
| 3159 |
if(score < last_score){
|
| 3160 |
last_score= score; |
| 3161 |
last_run= run; |
| 3162 |
last_level= level-64;
|
| 3163 |
last_i= i+1;
|
| 3164 |
} |
| 3165 |
} |
| 3166 |
} |
| 3167 |
}else{
|
| 3168 |
distortion += esc_length*lambda; |
| 3169 |
for(j=survivor_count-1; j>=0; j--){ |
| 3170 |
int run= i - survivor[j];
|
| 3171 |
int score= distortion + score_tab[i-run];
|
| 3172 |
|
| 3173 |
if(score < best_score){
|
| 3174 |
best_score= score; |
| 3175 |
run_tab[i+1]= run;
|
| 3176 |
level_tab[i+1]= level-64; |
| 3177 |
} |
| 3178 |
} |
| 3179 |
|
| 3180 |
if(s->out_format == FMT_H263){
|
| 3181 |
for(j=survivor_count-1; j>=0; j--){ |
| 3182 |
int run= i - survivor[j];
|
| 3183 |
int score= distortion + score_tab[i-run];
|
| 3184 |
if(score < last_score){
|
| 3185 |
last_score= score; |
| 3186 |
last_run= run; |
| 3187 |
last_level= level-64;
|
| 3188 |
last_i= i+1;
|
| 3189 |
} |
| 3190 |
} |
| 3191 |
} |
| 3192 |
} |
| 3193 |
} |
| 3194 |
|
| 3195 |
score_tab[i+1]= best_score;
|
| 3196 |
|
| 3197 |
//Note: there is a vlc code in mpeg4 which is 1 bit shorter then another one with a shorter run and the same level
|
| 3198 |
if(last_non_zero <= 27){ |
| 3199 |
for(; survivor_count; survivor_count--){
|
| 3200 |
if(score_tab[ survivor[survivor_count-1] ] <= best_score) |
| 3201 |
break;
|
| 3202 |
} |
| 3203 |
}else{
|
| 3204 |
for(; survivor_count; survivor_count--){
|
| 3205 |
if(score_tab[ survivor[survivor_count-1] ] <= best_score + lambda) |
| 3206 |
break;
|
| 3207 |
} |
| 3208 |
} |
| 3209 |
|
| 3210 |
survivor[ survivor_count++ ]= i+1;
|
| 3211 |
} |
| 3212 |
|
| 3213 |
if(s->out_format != FMT_H263){
|
| 3214 |
last_score= 256*256*256*120; |
| 3215 |
for(i= survivor[0]; i<=last_non_zero + 1; i++){ |
| 3216 |
int score= score_tab[i];
|
| 3217 |
if(i) score += lambda*2; //FIXME exacter? |
| 3218 |
|
| 3219 |
if(score < last_score){
|
| 3220 |
last_score= score; |
| 3221 |
last_i= i; |
| 3222 |
last_level= level_tab[i]; |
| 3223 |
last_run= run_tab[i]; |
| 3224 |
} |
| 3225 |
} |
| 3226 |
} |
| 3227 |
|
| 3228 |
s->coded_score[n] = last_score; |
| 3229 |
|
| 3230 |
dc= FFABS(block[0]);
|
| 3231 |
last_non_zero= last_i - 1;
|
| 3232 |
memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM)); |
| 3233 |
|
| 3234 |
if(last_non_zero < start_i)
|
| 3235 |
return last_non_zero;
|
| 3236 |
|
| 3237 |
if(last_non_zero == 0 && start_i == 0){ |
| 3238 |
int best_level= 0; |
| 3239 |
int best_score= dc * dc;
|
| 3240 |
|
| 3241 |
for(i=0; i<coeff_count[0]; i++){ |
| 3242 |
int level= coeff[i][0]; |
| 3243 |
int alevel= FFABS(level);
|
| 3244 |
int unquant_coeff, score, distortion;
|
| 3245 |
|
| 3246 |
if(s->out_format == FMT_H263){
|
| 3247 |
unquant_coeff= (alevel*qmul + qadd)>>3;
|
| 3248 |
}else{ //MPEG1 |
| 3249 |
unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[0])) >> 4; |
| 3250 |
unquant_coeff = (unquant_coeff - 1) | 1; |
| 3251 |
} |
| 3252 |
unquant_coeff = (unquant_coeff + 4) >> 3; |
| 3253 |
unquant_coeff<<= 3 + 3; |
| 3254 |
|
| 3255 |
distortion= (unquant_coeff - dc) * (unquant_coeff - dc); |
| 3256 |
level+=64;
|
| 3257 |
if((level&(~127)) == 0) score= distortion + last_length[UNI_AC_ENC_INDEX(0, level)]*lambda; |
| 3258 |
else score= distortion + esc_length*lambda;
|
| 3259 |
|
| 3260 |
if(score < best_score){
|
| 3261 |
best_score= score; |
| 3262 |
best_level= level - 64;
|
| 3263 |
} |
| 3264 |
} |
| 3265 |
block[0]= best_level;
|
| 3266 |
s->coded_score[n] = best_score - dc*dc; |
| 3267 |
if(best_level == 0) return -1; |
| 3268 |
else return last_non_zero; |
| 3269 |
} |
| 3270 |
|
| 3271 |
i= last_i; |
| 3272 |
assert(last_level); |
| 3273 |
|
| 3274 |
block[ perm_scantable[last_non_zero] ]= last_level; |
| 3275 |
i -= last_run + 1;
|
| 3276 |
|
| 3277 |
for(; i>start_i; i -= run_tab[i] + 1){ |
| 3278 |
block[ perm_scantable[i-1] ]= level_tab[i];
|
| 3279 |
} |
| 3280 |
|
| 3281 |
return last_non_zero;
|
| 3282 |
} |
| 3283 |
|
| 3284 |
//#define REFINE_STATS 1
|
| 3285 |
static int16_t basis[64][64]; |
| 3286 |
|
| 3287 |
static void build_basis(uint8_t *perm){ |
| 3288 |
int i, j, x, y;
|
| 3289 |
emms_c(); |
| 3290 |
for(i=0; i<8; i++){ |
| 3291 |
for(j=0; j<8; j++){ |
| 3292 |
for(y=0; y<8; y++){ |
| 3293 |
for(x=0; x<8; x++){ |
| 3294 |
double s= 0.25*(1<<BASIS_SHIFT); |
| 3295 |
int index= 8*i + j; |
| 3296 |
int perm_index= perm[index];
|
| 3297 |
if(i==0) s*= sqrt(0.5); |
| 3298 |
if(j==0) s*= sqrt(0.5); |
| 3299 |
basis[perm_index][8*x + y]= lrintf(s * cos((M_PI/8.0)*i*(x+0.5)) * cos((M_PI/8.0)*j*(y+0.5))); |
| 3300 |
} |
| 3301 |
} |
| 3302 |
} |
| 3303 |
} |
| 3304 |
} |
| 3305 |
|
| 3306 |
static int dct_quantize_refine(MpegEncContext *s, //FIXME breaks denoise? |
| 3307 |
DCTELEM *block, int16_t *weight, DCTELEM *orig, |
| 3308 |
int n, int qscale){ |
| 3309 |
int16_t rem[64];
|
| 3310 |
DECLARE_ALIGNED_16(DCTELEM, d1[64]);
|
| 3311 |
const uint8_t *scantable= s->intra_scantable.scantable;
|
| 3312 |
const uint8_t *perm_scantable= s->intra_scantable.permutated;
|
| 3313 |
// unsigned int threshold1, threshold2;
|
| 3314 |
// int bias=0;
|
| 3315 |
int run_tab[65]; |
| 3316 |
int prev_run=0; |
| 3317 |
int prev_level=0; |
| 3318 |
int qmul, qadd, start_i, last_non_zero, i, dc;
|
| 3319 |
uint8_t * length; |
| 3320 |
uint8_t * last_length; |
| 3321 |
int lambda;
|
| 3322 |
int rle_index, run, q = 1, sum; //q is only used when s->mb_intra is true |
| 3323 |
#ifdef REFINE_STATS
|
| 3324 |
static int count=0; |
| 3325 |
static int after_last=0; |
| 3326 |
static int to_zero=0; |
| 3327 |
static int from_zero=0; |
| 3328 |
static int raise=0; |
| 3329 |
static int lower=0; |
| 3330 |
static int messed_sign=0; |
| 3331 |
#endif
|
| 3332 |
|
| 3333 |
if(basis[0][0] == 0) |
| 3334 |
build_basis(s->dsp.idct_permutation); |
| 3335 |
|
| 3336 |
qmul= qscale*2;
|
| 3337 |
qadd= (qscale-1)|1; |
| 3338 |
if (s->mb_intra) {
|
| 3339 |
if (!s->h263_aic) {
|
| 3340 |
if (n < 4) |
| 3341 |
q = s->y_dc_scale; |
| 3342 |
else
|
| 3343 |
q = s->c_dc_scale; |
| 3344 |
} else{
|
| 3345 |
/* For AIC we skip quant/dequant of INTRADC */
|
| 3346 |
q = 1;
|
| 3347 |
qadd=0;
|
| 3348 |
} |
| 3349 |
q <<= RECON_SHIFT-3;
|
| 3350 |
/* note: block[0] is assumed to be positive */
|
| 3351 |
dc= block[0]*q;
|
| 3352 |
// block[0] = (block[0] + (q >> 1)) / q;
|
| 3353 |
start_i = 1;
|
| 3354 |
// if(s->mpeg_quant || s->out_format == FMT_MPEG1)
|
| 3355 |
// bias= 1<<(QMAT_SHIFT-1);
|
| 3356 |
length = s->intra_ac_vlc_length; |
| 3357 |
last_length= s->intra_ac_vlc_last_length; |
| 3358 |
} else {
|
| 3359 |
dc= 0;
|
| 3360 |
start_i = 0;
|
| 3361 |
length = s->inter_ac_vlc_length; |
| 3362 |
last_length= s->inter_ac_vlc_last_length; |
| 3363 |
} |
| 3364 |
last_non_zero = s->block_last_index[n]; |
| 3365 |
|
| 3366 |
#ifdef REFINE_STATS
|
| 3367 |
{START_TIMER
|
| 3368 |
#endif
|
| 3369 |
dc += (1<<(RECON_SHIFT-1)); |
| 3370 |
for(i=0; i<64; i++){ |
| 3371 |
rem[i]= dc - (orig[i]<<RECON_SHIFT); //FIXME use orig dirrectly instead of copying to rem[]
|
| 3372 |
} |
| 3373 |
#ifdef REFINE_STATS
|
| 3374 |
STOP_TIMER("memset rem[]")}
|
| 3375 |
#endif
|
| 3376 |
sum=0;
|
| 3377 |
for(i=0; i<64; i++){ |
| 3378 |
int one= 36; |
| 3379 |
int qns=4; |
| 3380 |
int w;
|
| 3381 |
|
| 3382 |
w= FFABS(weight[i]) + qns*one; |
| 3383 |
w= 15 + (48*qns*one + w/2)/w; // 16 .. 63 |
| 3384 |
|
| 3385 |
weight[i] = w; |
| 3386 |
// w=weight[i] = (63*qns + (w/2)) / w;
|
| 3387 |
|
| 3388 |
assert(w>0);
|
| 3389 |
assert(w<(1<<6)); |
| 3390 |
sum += w*w; |
| 3391 |
} |
| 3392 |
lambda= sum*(uint64_t)s->lambda2 >> (FF_LAMBDA_SHIFT - 6 + 6 + 6 + 6); |
| 3393 |
#ifdef REFINE_STATS
|
| 3394 |
{START_TIMER
|
| 3395 |
#endif
|
| 3396 |
run=0;
|
| 3397 |
rle_index=0;
|
| 3398 |
for(i=start_i; i<=last_non_zero; i++){
|
| 3399 |
int j= perm_scantable[i];
|
| 3400 |
const int level= block[j]; |
| 3401 |
int coeff;
|
| 3402 |
|
| 3403 |
if(level){
|
| 3404 |
if(level<0) coeff= qmul*level - qadd; |
| 3405 |
else coeff= qmul*level + qadd;
|
| 3406 |
run_tab[rle_index++]=run; |
| 3407 |
run=0;
|
| 3408 |
|
| 3409 |
s->dsp.add_8x8basis(rem, basis[j], coeff); |
| 3410 |
}else{
|
| 3411 |
run++; |
| 3412 |
} |
| 3413 |
} |
| 3414 |
#ifdef REFINE_STATS
|
| 3415 |
if(last_non_zero>0){ |
| 3416 |
STOP_TIMER("init rem[]")
|
| 3417 |
} |
| 3418 |
} |
| 3419 |
|
| 3420 |
{START_TIMER
|
| 3421 |
#endif
|
| 3422 |
for(;;){
|
| 3423 |
int best_score=s->dsp.try_8x8basis(rem, weight, basis[0], 0); |
| 3424 |
int best_coeff=0; |
| 3425 |
int best_change=0; |
| 3426 |
int run2, best_unquant_change=0, analyze_gradient; |
| 3427 |
#ifdef REFINE_STATS
|
| 3428 |
{START_TIMER
|
| 3429 |
#endif
|
| 3430 |
analyze_gradient = last_non_zero > 2 || s->avctx->quantizer_noise_shaping >= 3; |
| 3431 |
|
| 3432 |
if(analyze_gradient){
|
| 3433 |
#ifdef REFINE_STATS
|
| 3434 |
{START_TIMER
|
| 3435 |
#endif
|
| 3436 |
for(i=0; i<64; i++){ |
| 3437 |
int w= weight[i];
|
| 3438 |
|
| 3439 |
d1[i] = (rem[i]*w*w + (1<<(RECON_SHIFT+12-1)))>>(RECON_SHIFT+12); |
| 3440 |
} |
| 3441 |
#ifdef REFINE_STATS
|
| 3442 |
STOP_TIMER("rem*w*w")}
|
| 3443 |
{START_TIMER
|
| 3444 |
#endif
|
| 3445 |
s->dsp.fdct(d1); |
| 3446 |
#ifdef REFINE_STATS
|
| 3447 |
STOP_TIMER("dct")}
|
| 3448 |
#endif
|
| 3449 |
} |
| 3450 |
|
| 3451 |
if(start_i){
|
| 3452 |
const int level= block[0]; |
| 3453 |
int change, old_coeff;
|
| 3454 |
|
| 3455 |
assert(s->mb_intra); |
| 3456 |
|
| 3457 |
old_coeff= q*level; |
| 3458 |
|
| 3459 |
for(change=-1; change<=1; change+=2){ |
| 3460 |
int new_level= level + change;
|
| 3461 |
int score, new_coeff;
|
| 3462 |
|
| 3463 |
new_coeff= q*new_level; |
| 3464 |
if(new_coeff >= 2048 || new_coeff < 0) |
| 3465 |
continue;
|
| 3466 |
|
| 3467 |
score= s->dsp.try_8x8basis(rem, weight, basis[0], new_coeff - old_coeff);
|
| 3468 |
if(score<best_score){
|
| 3469 |
best_score= score; |
| 3470 |
best_coeff= 0;
|
| 3471 |
best_change= change; |
| 3472 |
best_unquant_change= new_coeff - old_coeff; |
| 3473 |
} |
| 3474 |
} |
| 3475 |
} |
| 3476 |
|
| 3477 |
run=0;
|
| 3478 |
rle_index=0;
|
| 3479 |
run2= run_tab[rle_index++]; |
| 3480 |
prev_level=0;
|
| 3481 |
prev_run=0;
|
| 3482 |
|
| 3483 |
for(i=start_i; i<64; i++){ |
| 3484 |
int j= perm_scantable[i];
|
| 3485 |
const int level= block[j]; |
| 3486 |
int change, old_coeff;
|
| 3487 |
|
| 3488 |
if(s->avctx->quantizer_noise_shaping < 3 && i > last_non_zero + 1) |
| 3489 |
break;
|
| 3490 |
|
| 3491 |
if(level){
|
| 3492 |
if(level<0) old_coeff= qmul*level - qadd; |
| 3493 |
else old_coeff= qmul*level + qadd;
|
| 3494 |
run2= run_tab[rle_index++]; //FIXME ! maybe after last
|
| 3495 |
}else{
|
| 3496 |
old_coeff=0;
|
| 3497 |
run2--; |
| 3498 |
assert(run2>=0 || i >= last_non_zero );
|
| 3499 |
} |
| 3500 |
|
| 3501 |
for(change=-1; change<=1; change+=2){ |
| 3502 |
int new_level= level + change;
|
| 3503 |
int score, new_coeff, unquant_change;
|
| 3504 |
|
| 3505 |
score=0;
|
| 3506 |
if(s->avctx->quantizer_noise_shaping < 2 && FFABS(new_level) > FFABS(level)) |
| 3507 |
continue;
|
| 3508 |
|
| 3509 |
if(new_level){
|
| 3510 |
if(new_level<0) new_coeff= qmul*new_level - qadd; |
| 3511 |
else new_coeff= qmul*new_level + qadd;
|
| 3512 |
if(new_coeff >= 2048 || new_coeff <= -2048) |
| 3513 |
continue;
|
| 3514 |
//FIXME check for overflow
|
| 3515 |
|
| 3516 |
if(level){
|
| 3517 |
if(level < 63 && level > -63){ |
| 3518 |
if(i < last_non_zero)
|
| 3519 |
score += length[UNI_AC_ENC_INDEX(run, new_level+64)]
|
| 3520 |
- length[UNI_AC_ENC_INDEX(run, level+64)];
|
| 3521 |
else
|
| 3522 |
score += last_length[UNI_AC_ENC_INDEX(run, new_level+64)]
|
| 3523 |
- last_length[UNI_AC_ENC_INDEX(run, level+64)];
|
| 3524 |
} |
| 3525 |
}else{
|
| 3526 |
assert(FFABS(new_level)==1);
|
| 3527 |
|
| 3528 |
if(analyze_gradient){
|
| 3529 |
int g= d1[ scantable[i] ];
|
| 3530 |
if(g && (g^new_level) >= 0) |
| 3531 |
continue;
|
| 3532 |
} |
| 3533 |
|
| 3534 |
if(i < last_non_zero){
|
| 3535 |
int next_i= i + run2 + 1; |
| 3536 |
int next_level= block[ perm_scantable[next_i] ] + 64; |
| 3537 |
|
| 3538 |
if(next_level&(~127)) |
| 3539 |
next_level= 0;
|
| 3540 |
|
| 3541 |
if(next_i < last_non_zero)
|
| 3542 |
score += length[UNI_AC_ENC_INDEX(run, 65)]
|
| 3543 |
+ length[UNI_AC_ENC_INDEX(run2, next_level)] |
| 3544 |
- length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
|
| 3545 |
else
|
| 3546 |
score += length[UNI_AC_ENC_INDEX(run, 65)]
|
| 3547 |
+ last_length[UNI_AC_ENC_INDEX(run2, next_level)] |
| 3548 |
- last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
|
| 3549 |
}else{
|
| 3550 |
score += last_length[UNI_AC_ENC_INDEX(run, 65)];
|
| 3551 |
if(prev_level){
|
| 3552 |
score += length[UNI_AC_ENC_INDEX(prev_run, prev_level)] |
| 3553 |
- last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)]; |
| 3554 |
} |
| 3555 |
} |
| 3556 |
} |
| 3557 |
}else{
|
| 3558 |
new_coeff=0;
|
| 3559 |
assert(FFABS(level)==1);
|
| 3560 |
|
| 3561 |
if(i < last_non_zero){
|
| 3562 |
int next_i= i + run2 + 1; |
| 3563 |
int next_level= block[ perm_scantable[next_i] ] + 64; |
| 3564 |
|
| 3565 |
if(next_level&(~127)) |
| 3566 |
next_level= 0;
|
| 3567 |
|
| 3568 |
if(next_i < last_non_zero)
|
| 3569 |
score += length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
|
| 3570 |
- length[UNI_AC_ENC_INDEX(run2, next_level)] |
| 3571 |
- length[UNI_AC_ENC_INDEX(run, 65)];
|
| 3572 |
else
|
| 3573 |
score += last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
|
| 3574 |
- last_length[UNI_AC_ENC_INDEX(run2, next_level)] |
| 3575 |
- length[UNI_AC_ENC_INDEX(run, 65)];
|
| 3576 |
}else{
|
| 3577 |
score += -last_length[UNI_AC_ENC_INDEX(run, 65)];
|
| 3578 |
if(prev_level){
|
| 3579 |
score += last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)] |
| 3580 |
- length[UNI_AC_ENC_INDEX(prev_run, prev_level)]; |
| 3581 |
} |
| 3582 |
} |
| 3583 |
} |
| 3584 |
|
| 3585 |
score *= lambda; |
| 3586 |
|
| 3587 |
unquant_change= new_coeff - old_coeff; |
| 3588 |
assert((score < 100*lambda && score > -100*lambda) || lambda==0); |
| 3589 |
|
| 3590 |
score+= s->dsp.try_8x8basis(rem, weight, basis[j], unquant_change); |
| 3591 |
if(score<best_score){
|
| 3592 |
best_score= score; |
| 3593 |
best_coeff= i; |
| 3594 |
best_change= change; |
| 3595 |
best_unquant_change= unquant_change; |
| 3596 |
} |
| 3597 |
} |
| 3598 |
if(level){
|
| 3599 |
prev_level= level + 64;
|
| 3600 |
if(prev_level&(~127)) |
| 3601 |
prev_level= 0;
|
| 3602 |
prev_run= run; |
| 3603 |
run=0;
|
| 3604 |
}else{
|
| 3605 |
run++; |
| 3606 |
} |
| 3607 |
} |
| 3608 |
#ifdef REFINE_STATS
|
| 3609 |
STOP_TIMER("iterative step")}
|
| 3610 |
#endif
|
| 3611 |
|
| 3612 |
if(best_change){
|
| 3613 |
int j= perm_scantable[ best_coeff ];
|
| 3614 |
|
| 3615 |
block[j] += best_change; |
| 3616 |
|
| 3617 |
if(best_coeff > last_non_zero){
|
| 3618 |
last_non_zero= best_coeff; |
| 3619 |
assert(block[j]); |
| 3620 |
#ifdef REFINE_STATS
|
| 3621 |
after_last++; |
| 3622 |
#endif
|
| 3623 |
}else{
|
| 3624 |
#ifdef REFINE_STATS
|
| 3625 |
if(block[j]){
|
| 3626 |
if(block[j] - best_change){
|
| 3627 |
if(FFABS(block[j]) > FFABS(block[j] - best_change)){
|
| 3628 |
raise++; |
| 3629 |
}else{
|
| 3630 |
lower++; |
| 3631 |
} |
| 3632 |
}else{
|
| 3633 |
from_zero++; |
| 3634 |
} |
| 3635 |
}else{
|
| 3636 |
to_zero++; |
| 3637 |
} |
| 3638 |
#endif
|
| 3639 |
for(; last_non_zero>=start_i; last_non_zero--){
|
| 3640 |
if(block[perm_scantable[last_non_zero]])
|
| 3641 |
break;
|
| 3642 |
} |
| 3643 |
} |
| 3644 |
#ifdef REFINE_STATS
|
| 3645 |
count++; |
| 3646 |
if(256*256*256*64 % count == 0){ |
| 3647 |
printf("after_last:%d to_zero:%d from_zero:%d raise:%d lower:%d sign:%d xyp:%d/%d/%d\n", after_last, to_zero, from_zero, raise, lower, messed_sign, s->mb_x, s->mb_y, s->picture_number);
|
| 3648 |
} |
| 3649 |
#endif
|
| 3650 |
run=0;
|
| 3651 |
rle_index=0;
|
| 3652 |
for(i=start_i; i<=last_non_zero; i++){
|
| 3653 |
int j= perm_scantable[i];
|
| 3654 |
const int level= block[j]; |
| 3655 |
|
| 3656 |
if(level){
|
| 3657 |
run_tab[rle_index++]=run; |
| 3658 |
run=0;
|
| 3659 |
}else{
|
| 3660 |
run++; |
| 3661 |
} |
| 3662 |
} |
| 3663 |
|
| 3664 |
s->dsp.add_8x8basis(rem, basis[j], best_unquant_change); |
| 3665 |
}else{
|
| 3666 |
break;
|
| 3667 |
} |
| 3668 |
} |
| 3669 |
#ifdef REFINE_STATS
|
| 3670 |
if(last_non_zero>0){ |
| 3671 |
STOP_TIMER("iterative search")
|
| 3672 |
} |
| 3673 |
} |
| 3674 |
#endif
|
| 3675 |
|
| 3676 |
return last_non_zero;
|
| 3677 |
} |
| 3678 |
|
| 3679 |
int dct_quantize_c(MpegEncContext *s,
|
| 3680 |
DCTELEM *block, int n,
|
| 3681 |
int qscale, int *overflow) |
| 3682 |
{
|
| 3683 |
int i, j, level, last_non_zero, q, start_i;
|
| 3684 |
const int *qmat; |
| 3685 |
const uint8_t *scantable= s->intra_scantable.scantable;
|
| 3686 |
int bias;
|
| 3687 |
int max=0; |
| 3688 |
unsigned int threshold1, threshold2; |
| 3689 |
|
| 3690 |
s->dsp.fdct (block); |
| 3691 |
|
| 3692 |
if(s->dct_error_sum)
|
| 3693 |
s->denoise_dct(s, block); |
| 3694 |
|
| 3695 |
if (s->mb_intra) {
|
| 3696 |
if (!s->h263_aic) {
|
| 3697 |
if (n < 4) |
| 3698 |
q = s->y_dc_scale; |
| 3699 |
else
|
| 3700 |
q = s->c_dc_scale; |
| 3701 |
q = q << 3;
|
| 3702 |
} else
|
| 3703 |
/* For AIC we skip quant/dequant of INTRADC */
|
| 3704 |
q = 1 << 3; |
| 3705 |
|
| 3706 |
/* note: block[0] is assumed to be positive */
|
| 3707 |
block[0] = (block[0] + (q >> 1)) / q; |
| 3708 |
start_i = 1;
|
| 3709 |
last_non_zero = 0;
|
| 3710 |
qmat = s->q_intra_matrix[qscale]; |
| 3711 |
bias= s->intra_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT); |
| 3712 |
} else {
|
| 3713 |
start_i = 0;
|
| 3714 |
last_non_zero = -1;
|
| 3715 |
qmat = s->q_inter_matrix[qscale]; |
| 3716 |
bias= s->inter_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT); |
| 3717 |
} |
| 3718 |
threshold1= (1<<QMAT_SHIFT) - bias - 1; |
| 3719 |
threshold2= (threshold1<<1);
|
| 3720 |
for(i=63;i>=start_i;i--) { |
| 3721 |
j = scantable[i]; |
| 3722 |
level = block[j] * qmat[j]; |
| 3723 |
|
| 3724 |
if(((unsigned)(level+threshold1))>threshold2){ |
| 3725 |
last_non_zero = i; |
| 3726 |
break;
|
| 3727 |
}else{
|
| 3728 |
block[j]=0;
|
| 3729 |
} |
| 3730 |
} |
| 3731 |
for(i=start_i; i<=last_non_zero; i++) {
|
| 3732 |
j = scantable[i]; |
| 3733 |
level = block[j] * qmat[j]; |
| 3734 |
|
| 3735 |
// if( bias+level >= (1<<QMAT_SHIFT)
|
| 3736 |
// || bias-level >= (1<<QMAT_SHIFT)){
|
| 3737 |
if(((unsigned)(level+threshold1))>threshold2){ |
| 3738 |
if(level>0){ |
| 3739 |
level= (bias + level)>>QMAT_SHIFT; |
| 3740 |
block[j]= level; |
| 3741 |
}else{
|
| 3742 |
level= (bias - level)>>QMAT_SHIFT; |
| 3743 |
block[j]= -level; |
| 3744 |
} |
| 3745 |
max |=level; |
| 3746 |
}else{
|
| 3747 |
block[j]=0;
|
| 3748 |
} |
| 3749 |
} |
| 3750 |
*overflow= s->max_qcoeff < max; //overflow might have happened
|
| 3751 |
|
| 3752 |
/* we need this permutation so that we correct the IDCT, we only permute the !=0 elements */
|
| 3753 |
if (s->dsp.idct_permutation_type != FF_NO_IDCT_PERM)
|
| 3754 |
ff_block_permute(block, s->dsp.idct_permutation, scantable, last_non_zero); |
| 3755 |
|
| 3756 |
return last_non_zero;
|
| 3757 |
} |
| 3758 |
|
| 3759 |
AVCodec h263_encoder = {
|
| 3760 |
"h263",
|
| 3761 |
CODEC_TYPE_VIDEO, |
| 3762 |
CODEC_ID_H263, |
| 3763 |
sizeof(MpegEncContext),
|
| 3764 |
MPV_encode_init, |
| 3765 |
MPV_encode_picture, |
| 3766 |
MPV_encode_end, |
| 3767 |
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE}, |
| 3768 |
.long_name= NULL_IF_CONFIG_SMALL("H.263 / H.263-1996"),
|
| 3769 |
}; |
| 3770 |
|
| 3771 |
AVCodec h263p_encoder = {
|
| 3772 |
"h263p",
|
| 3773 |
CODEC_TYPE_VIDEO, |
| 3774 |
CODEC_ID_H263P, |
| 3775 |
sizeof(MpegEncContext),
|
| 3776 |
MPV_encode_init, |
| 3777 |
MPV_encode_picture, |
| 3778 |
MPV_encode_end, |
| 3779 |
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE}, |
| 3780 |
.long_name= NULL_IF_CONFIG_SMALL("H.263+ / H.263-1998 / H.263 version 2"),
|
| 3781 |
}; |
| 3782 |
|
| 3783 |
AVCodec flv_encoder = {
|
| 3784 |
"flv",
|
| 3785 |
CODEC_TYPE_VIDEO, |
| 3786 |
CODEC_ID_FLV1, |
| 3787 |
sizeof(MpegEncContext),
|
| 3788 |
MPV_encode_init, |
| 3789 |
MPV_encode_picture, |
| 3790 |
MPV_encode_end, |
| 3791 |
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE}, |
| 3792 |
.long_name= NULL_IF_CONFIG_SMALL("Flash Video (FLV) / Sorenson Spark / Sorenson H.263"),
|
| 3793 |
}; |
| 3794 |
|
| 3795 |
AVCodec mpeg4_encoder = {
|
| 3796 |
"mpeg4",
|
| 3797 |
CODEC_TYPE_VIDEO, |
| 3798 |
CODEC_ID_MPEG4, |
| 3799 |
sizeof(MpegEncContext),
|
| 3800 |
MPV_encode_init, |
| 3801 |
MPV_encode_picture, |
| 3802 |
MPV_encode_end, |
| 3803 |
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE}, |
| 3804 |
.capabilities= CODEC_CAP_DELAY, |
| 3805 |
.long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2"),
|
| 3806 |
}; |
| 3807 |
|
| 3808 |
AVCodec msmpeg4v1_encoder = {
|
| 3809 |
"msmpeg4v1",
|
| 3810 |
CODEC_TYPE_VIDEO, |
| 3811 |
CODEC_ID_MSMPEG4V1, |
| 3812 |
sizeof(MpegEncContext),
|
| 3813 |
MPV_encode_init, |
| 3814 |
MPV_encode_picture, |
| 3815 |
MPV_encode_end, |
| 3816 |
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE}, |
| 3817 |
.long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 1"),
|
| 3818 |
}; |
| 3819 |
|
| 3820 |
AVCodec msmpeg4v2_encoder = {
|
| 3821 |
"msmpeg4v2",
|
| 3822 |
CODEC_TYPE_VIDEO, |
| 3823 |
CODEC_ID_MSMPEG4V2, |
| 3824 |
sizeof(MpegEncContext),
|
| 3825 |
MPV_encode_init, |
| 3826 |
MPV_encode_picture, |
| 3827 |
MPV_encode_end, |
| 3828 |
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE}, |
| 3829 |
.long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 2"),
|
| 3830 |
}; |
| 3831 |
|
| 3832 |
AVCodec msmpeg4v3_encoder = {
|
| 3833 |
"msmpeg4",
|
| 3834 |
CODEC_TYPE_VIDEO, |
| 3835 |
CODEC_ID_MSMPEG4V3, |
| 3836 |
sizeof(MpegEncContext),
|
| 3837 |
MPV_encode_init, |
| 3838 |
MPV_encode_picture, |
| 3839 |
MPV_encode_end, |
| 3840 |
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE}, |
| 3841 |
.long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 3"),
|
| 3842 |
}; |
| 3843 |
|
| 3844 |
AVCodec wmv1_encoder = {
|
| 3845 |
"wmv1",
|
| 3846 |
CODEC_TYPE_VIDEO, |
| 3847 |
CODEC_ID_WMV1, |
| 3848 |
sizeof(MpegEncContext),
|
| 3849 |
MPV_encode_init, |
| 3850 |
MPV_encode_picture, |
| 3851 |
MPV_encode_end, |
| 3852 |
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE}, |
| 3853 |
.long_name= NULL_IF_CONFIG_SMALL("Windows Media Video 7"),
|
| 3854 |
}; |