ffmpeg / libavcodec / h264.c @ d375c104
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/*
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* H.26L/H.264/AVC/JVT/14496-10/... decoder
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* Copyright (c) 2003 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
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* H.264 / AVC / MPEG4 part10 codec.
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* @author Michael Niedermayer <michaelni@gmx.at>
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*/
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#include "libavutil/imgutils.h" |
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#include "internal.h" |
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#include "dsputil.h" |
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#include "avcodec.h" |
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#include "mpegvideo.h" |
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#include "h264.h" |
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#include "h264data.h" |
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#include "h264_mvpred.h" |
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#include "golomb.h" |
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#include "mathops.h" |
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#include "rectangle.h" |
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#include "thread.h" |
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#include "vdpau_internal.h" |
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#include "libavutil/avassert.h" |
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#include "cabac.h" |
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|
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//#undef NDEBUG
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#include <assert.h> |
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static const uint8_t rem6[52]={ |
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0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, |
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}; |
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|
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static const uint8_t div6[52]={ |
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0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, |
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}; |
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|
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static const enum PixelFormat hwaccel_pixfmt_list_h264_jpeg_420[] = { |
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PIX_FMT_DXVA2_VLD, |
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PIX_FMT_VAAPI_VLD, |
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PIX_FMT_YUVJ420P, |
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PIX_FMT_NONE |
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}; |
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|
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void ff_h264_write_back_intra_pred_mode(H264Context *h){
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int8_t *mode= h->intra4x4_pred_mode + h->mb2br_xy[h->mb_xy]; |
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|
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AV_COPY32(mode, h->intra4x4_pred_mode_cache + 4 + 8*4); |
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mode[4]= h->intra4x4_pred_mode_cache[7+8*3]; |
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mode[5]= h->intra4x4_pred_mode_cache[7+8*2]; |
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mode[6]= h->intra4x4_pred_mode_cache[7+8*1]; |
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} |
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|
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/**
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* checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
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*/
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int ff_h264_check_intra4x4_pred_mode(H264Context *h){
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MpegEncContext * const s = &h->s;
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static const int8_t top [12]= {-1, 0,LEFT_DC_PRED,-1,-1,-1,-1,-1, 0}; |
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static const int8_t left[12]= { 0,-1, TOP_DC_PRED, 0,-1,-1,-1, 0,-1,DC_128_PRED}; |
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int i;
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|
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if(!(h->top_samples_available&0x8000)){ |
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for(i=0; i<4; i++){ |
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int status= top[ h->intra4x4_pred_mode_cache[scan8[0] + i] ]; |
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if(status<0){ |
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av_log(h->s.avctx, AV_LOG_ERROR, "top block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
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return -1; |
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} else if(status){ |
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h->intra4x4_pred_mode_cache[scan8[0] + i]= status;
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} |
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} |
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} |
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if((h->left_samples_available&0x8888)!=0x8888){ |
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static const int mask[4]={0x8000,0x2000,0x80,0x20}; |
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for(i=0; i<4; i++){ |
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if(!(h->left_samples_available&mask[i])){
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int status= left[ h->intra4x4_pred_mode_cache[scan8[0] + 8*i] ]; |
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if(status<0){ |
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av_log(h->s.avctx, AV_LOG_ERROR, "left block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
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return -1; |
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} else if(status){ |
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h->intra4x4_pred_mode_cache[scan8[0] + 8*i]= status; |
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} |
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} |
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} |
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} |
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return 0; |
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} //FIXME cleanup like ff_h264_check_intra_pred_mode
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|
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/**
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* checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
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*/
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int ff_h264_check_intra_pred_mode(H264Context *h, int mode){ |
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MpegEncContext * const s = &h->s;
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static const int8_t top [7]= {LEFT_DC_PRED8x8, 1,-1,-1}; |
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static const int8_t left[7]= { TOP_DC_PRED8x8,-1, 2,-1,DC_128_PRED8x8}; |
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if(mode > 6U) { |
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av_log(h->s.avctx, AV_LOG_ERROR, "out of range intra chroma pred mode at %d %d\n", s->mb_x, s->mb_y);
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return -1; |
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} |
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if(!(h->top_samples_available&0x8000)){ |
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mode= top[ mode ]; |
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if(mode<0){ |
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av_log(h->s.avctx, AV_LOG_ERROR, "top block unavailable for requested intra mode at %d %d\n", s->mb_x, s->mb_y);
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return -1; |
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} |
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} |
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if((h->left_samples_available&0x8080) != 0x8080){ |
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mode= left[ mode ]; |
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if(h->left_samples_available&0x8080){ //mad cow disease mode, aka MBAFF + constrained_intra_pred |
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mode= ALZHEIMER_DC_L0T_PRED8x8 + (!(h->left_samples_available&0x8000)) + 2*(mode == DC_128_PRED8x8); |
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} |
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if(mode<0){ |
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av_log(h->s.avctx, AV_LOG_ERROR, "left block unavailable for requested intra mode at %d %d\n", s->mb_x, s->mb_y);
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return -1; |
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} |
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} |
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return mode;
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} |
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const uint8_t *ff_h264_decode_nal(H264Context *h, const uint8_t *src, int *dst_length, int *consumed, int length){ |
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int i, si, di;
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uint8_t *dst; |
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int bufidx;
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// src[0]&0x80; //forbidden bit
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h->nal_ref_idc= src[0]>>5; |
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h->nal_unit_type= src[0]&0x1F; |
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src++; length--; |
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#if 0
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for(i=0; i<length; i++)
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printf("%2X ", src[i]);
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#endif
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#if HAVE_FAST_UNALIGNED
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# if HAVE_FAST_64BIT
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# define RS 7 |
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for(i=0; i+1<length; i+=9){ |
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if(!((~AV_RN64A(src+i) & (AV_RN64A(src+i) - 0x0100010001000101ULL)) & 0x8000800080008080ULL)) |
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# else
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# define RS 3 |
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for(i=0; i+1<length; i+=5){ |
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if(!((~AV_RN32A(src+i) & (AV_RN32A(src+i) - 0x01000101U)) & 0x80008080U)) |
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# endif
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continue;
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if(i>0 && !src[i]) i--; |
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while(src[i]) i++;
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#else
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# define RS 0 |
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for(i=0; i+1<length; i+=2){ |
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if(src[i]) continue; |
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if(i>0 && src[i-1]==0) i--; |
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#endif
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if(i+2<length && src[i+1]==0 && src[i+2]<=3){ |
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if(src[i+2]!=3){ |
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/* startcode, so we must be past the end */
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length=i; |
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} |
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break;
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} |
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i-= RS; |
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} |
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if(i>=length-1){ //no escaped 0 |
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*dst_length= length; |
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*consumed= length+1; //+1 for the header |
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return src;
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} |
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bufidx = h->nal_unit_type == NAL_DPC ? 1 : 0; // use second escape buffer for inter data |
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av_fast_malloc(&h->rbsp_buffer[bufidx], &h->rbsp_buffer_size[bufidx], length+FF_INPUT_BUFFER_PADDING_SIZE); |
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dst= h->rbsp_buffer[bufidx]; |
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if (dst == NULL){ |
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return NULL; |
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} |
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//printf("decoding esc\n");
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memcpy(dst, src, i); |
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si=di=i; |
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while(si+2<length){ |
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//remove escapes (very rare 1:2^22)
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if(src[si+2]>3){ |
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dst[di++]= src[si++]; |
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dst[di++]= src[si++]; |
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}else if(src[si]==0 && src[si+1]==0){ |
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if(src[si+2]==3){ //escape |
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dst[di++]= 0;
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dst[di++]= 0;
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si+=3;
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continue;
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}else //next start code |
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goto nsc;
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} |
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dst[di++]= src[si++]; |
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} |
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while(si<length)
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dst[di++]= src[si++]; |
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nsc:
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memset(dst+di, 0, FF_INPUT_BUFFER_PADDING_SIZE);
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*dst_length= di; |
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*consumed= si + 1;//+1 for the header |
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//FIXME store exact number of bits in the getbitcontext (it is needed for decoding)
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return dst;
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} |
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/**
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* Identify the exact end of the bitstream
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* @return the length of the trailing, or 0 if damaged
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*/
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static int ff_h264_decode_rbsp_trailing(H264Context *h, const uint8_t *src){ |
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int v= *src;
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int r;
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tprintf(h->s.avctx, "rbsp trailing %X\n", v);
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for(r=1; r<9; r++){ |
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if(v&1) return r; |
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v>>=1;
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} |
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return 0; |
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} |
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static inline int get_lowest_part_list_y(H264Context *h, Picture *pic, int n, int height, |
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int y_offset, int list){ |
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int raw_my= h->mv_cache[list][ scan8[n] ][1]; |
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int filter_height= (raw_my&3) ? 2 : 0; |
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int full_my= (raw_my>>2) + y_offset; |
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int top = full_my - filter_height, bottom = full_my + height + filter_height;
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return FFMAX(abs(top), bottom);
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} |
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static inline void get_lowest_part_y(H264Context *h, int refs[2][48], int n, int height, |
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int y_offset, int list0, int list1, int *nrefs){ |
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MpegEncContext * const s = &h->s;
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int my;
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y_offset += 16*(s->mb_y >> MB_FIELD);
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if(list0){
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int ref_n = h->ref_cache[0][ scan8[n] ]; |
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Picture *ref= &h->ref_list[0][ref_n];
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// Error resilience puts the current picture in the ref list.
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// Don't try to wait on these as it will cause a deadlock.
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// Fields can wait on each other, though.
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if(ref->thread_opaque != s->current_picture.thread_opaque ||
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(ref->reference&3) != s->picture_structure) {
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my = get_lowest_part_list_y(h, ref, n, height, y_offset, 0);
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if (refs[0][ref_n] < 0) nrefs[0] += 1; |
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refs[0][ref_n] = FFMAX(refs[0][ref_n], my); |
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} |
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} |
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|
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if(list1){
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int ref_n = h->ref_cache[1][ scan8[n] ]; |
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Picture *ref= &h->ref_list[1][ref_n];
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|
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if(ref->thread_opaque != s->current_picture.thread_opaque ||
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(ref->reference&3) != s->picture_structure) {
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my = get_lowest_part_list_y(h, ref, n, height, y_offset, 1);
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if (refs[1][ref_n] < 0) nrefs[1] += 1; |
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refs[1][ref_n] = FFMAX(refs[1][ref_n], my); |
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} |
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} |
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} |
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/**
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* Wait until all reference frames are available for MC operations.
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*
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* @param h the H264 context
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*/
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static void await_references(H264Context *h){ |
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MpegEncContext * const s = &h->s;
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const int mb_xy= h->mb_xy; |
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const int mb_type= s->current_picture.mb_type[mb_xy]; |
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int refs[2][48]; |
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int nrefs[2] = {0}; |
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int ref, list;
|
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|
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memset(refs, -1, sizeof(refs)); |
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|
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if(IS_16X16(mb_type)){
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get_lowest_part_y(h, refs, 0, 16, 0, |
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IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs); |
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}else if(IS_16X8(mb_type)){ |
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get_lowest_part_y(h, refs, 0, 8, 0, |
| 318 |
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs); |
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get_lowest_part_y(h, refs, 8, 8, 8, |
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IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs); |
| 321 |
}else if(IS_8X16(mb_type)){ |
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get_lowest_part_y(h, refs, 0, 16, 0, |
| 323 |
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs); |
| 324 |
get_lowest_part_y(h, refs, 4, 16, 0, |
| 325 |
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs); |
| 326 |
}else{
|
| 327 |
int i;
|
| 328 |
|
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assert(IS_8X8(mb_type)); |
| 330 |
|
| 331 |
for(i=0; i<4; i++){ |
| 332 |
const int sub_mb_type= h->sub_mb_type[i]; |
| 333 |
const int n= 4*i; |
| 334 |
int y_offset= (i&2)<<2; |
| 335 |
|
| 336 |
if(IS_SUB_8X8(sub_mb_type)){
|
| 337 |
get_lowest_part_y(h, refs, n , 8, y_offset,
|
| 338 |
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs); |
| 339 |
}else if(IS_SUB_8X4(sub_mb_type)){ |
| 340 |
get_lowest_part_y(h, refs, n , 4, y_offset,
|
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IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs); |
| 342 |
get_lowest_part_y(h, refs, n+2, 4, y_offset+4, |
| 343 |
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs); |
| 344 |
}else if(IS_SUB_4X8(sub_mb_type)){ |
| 345 |
get_lowest_part_y(h, refs, n , 8, y_offset,
|
| 346 |
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs); |
| 347 |
get_lowest_part_y(h, refs, n+1, 8, y_offset, |
| 348 |
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs); |
| 349 |
}else{
|
| 350 |
int j;
|
| 351 |
assert(IS_SUB_4X4(sub_mb_type)); |
| 352 |
for(j=0; j<4; j++){ |
| 353 |
int sub_y_offset= y_offset + 2*(j&2); |
| 354 |
get_lowest_part_y(h, refs, n+j, 4, sub_y_offset,
|
| 355 |
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs); |
| 356 |
} |
| 357 |
} |
| 358 |
} |
| 359 |
} |
| 360 |
|
| 361 |
for(list=h->list_count-1; list>=0; list--){ |
| 362 |
for(ref=0; ref<48 && nrefs[list]; ref++){ |
| 363 |
int row = refs[list][ref];
|
| 364 |
if(row >= 0){ |
| 365 |
Picture *ref_pic = &h->ref_list[list][ref]; |
| 366 |
int ref_field = ref_pic->reference - 1; |
| 367 |
int ref_field_picture = ref_pic->field_picture;
|
| 368 |
int pic_height = 16*s->mb_height >> ref_field_picture; |
| 369 |
|
| 370 |
row <<= MB_MBAFF; |
| 371 |
nrefs[list]--; |
| 372 |
|
| 373 |
if(!FIELD_PICTURE && ref_field_picture){ // frame referencing two fields |
| 374 |
ff_thread_await_progress((AVFrame*)ref_pic, FFMIN((row >> 1) - !(row&1), pic_height-1), 1); |
| 375 |
ff_thread_await_progress((AVFrame*)ref_pic, FFMIN((row >> 1) , pic_height-1), 0); |
| 376 |
}else if(FIELD_PICTURE && !ref_field_picture){ // field referencing one field of a frame |
| 377 |
ff_thread_await_progress((AVFrame*)ref_pic, FFMIN(row*2 + ref_field , pic_height-1), 0); |
| 378 |
}else if(FIELD_PICTURE){ |
| 379 |
ff_thread_await_progress((AVFrame*)ref_pic, FFMIN(row, pic_height-1), ref_field);
|
| 380 |
}else{
|
| 381 |
ff_thread_await_progress((AVFrame*)ref_pic, FFMIN(row, pic_height-1), 0); |
| 382 |
} |
| 383 |
} |
| 384 |
} |
| 385 |
} |
| 386 |
} |
| 387 |
|
| 388 |
#if 0
|
| 389 |
/**
|
| 390 |
* DCT transforms the 16 dc values.
|
| 391 |
* @param qp quantization parameter ??? FIXME
|
| 392 |
*/
|
| 393 |
static void h264_luma_dc_dct_c(DCTELEM *block/*, int qp*/){
|
| 394 |
// const int qmul= dequant_coeff[qp][0];
|
| 395 |
int i;
|
| 396 |
int temp[16]; //FIXME check if this is a good idea
|
| 397 |
static const int x_offset[4]={0, 1*stride, 4* stride, 5*stride};
|
| 398 |
static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};
|
| 399 |
|
| 400 |
for(i=0; i<4; i++){
|
| 401 |
const int offset= y_offset[i];
|
| 402 |
const int z0= block[offset+stride*0] + block[offset+stride*4];
|
| 403 |
const int z1= block[offset+stride*0] - block[offset+stride*4];
|
| 404 |
const int z2= block[offset+stride*1] - block[offset+stride*5];
|
| 405 |
const int z3= block[offset+stride*1] + block[offset+stride*5];
|
| 406 |
|
| 407 |
temp[4*i+0]= z0+z3;
|
| 408 |
temp[4*i+1]= z1+z2;
|
| 409 |
temp[4*i+2]= z1-z2;
|
| 410 |
temp[4*i+3]= z0-z3;
|
| 411 |
}
|
| 412 |
|
| 413 |
for(i=0; i<4; i++){
|
| 414 |
const int offset= x_offset[i];
|
| 415 |
const int z0= temp[4*0+i] + temp[4*2+i];
|
| 416 |
const int z1= temp[4*0+i] - temp[4*2+i];
|
| 417 |
const int z2= temp[4*1+i] - temp[4*3+i];
|
| 418 |
const int z3= temp[4*1+i] + temp[4*3+i];
|
| 419 |
|
| 420 |
block[stride*0 +offset]= (z0 + z3)>>1;
|
| 421 |
block[stride*2 +offset]= (z1 + z2)>>1;
|
| 422 |
block[stride*8 +offset]= (z1 - z2)>>1;
|
| 423 |
block[stride*10+offset]= (z0 - z3)>>1;
|
| 424 |
}
|
| 425 |
}
|
| 426 |
#endif
|
| 427 |
|
| 428 |
#undef xStride
|
| 429 |
#undef stride
|
| 430 |
|
| 431 |
static void chroma_dc_dequant_idct_c(DCTELEM *block, int qmul){ |
| 432 |
const int stride= 16*2; |
| 433 |
const int xStride= 16; |
| 434 |
int a,b,c,d,e;
|
| 435 |
|
| 436 |
a= block[stride*0 + xStride*0]; |
| 437 |
b= block[stride*0 + xStride*1]; |
| 438 |
c= block[stride*1 + xStride*0]; |
| 439 |
d= block[stride*1 + xStride*1]; |
| 440 |
|
| 441 |
e= a-b; |
| 442 |
a= a+b; |
| 443 |
b= c-d; |
| 444 |
c= c+d; |
| 445 |
|
| 446 |
block[stride*0 + xStride*0]= ((a+c)*qmul) >> 7; |
| 447 |
block[stride*0 + xStride*1]= ((e+b)*qmul) >> 7; |
| 448 |
block[stride*1 + xStride*0]= ((a-c)*qmul) >> 7; |
| 449 |
block[stride*1 + xStride*1]= ((e-b)*qmul) >> 7; |
| 450 |
} |
| 451 |
|
| 452 |
#if 0
|
| 453 |
static void chroma_dc_dct_c(DCTELEM *block){
|
| 454 |
const int stride= 16*2;
|
| 455 |
const int xStride= 16;
|
| 456 |
int a,b,c,d,e;
|
| 457 |
|
| 458 |
a= block[stride*0 + xStride*0];
|
| 459 |
b= block[stride*0 + xStride*1];
|
| 460 |
c= block[stride*1 + xStride*0];
|
| 461 |
d= block[stride*1 + xStride*1];
|
| 462 |
|
| 463 |
e= a-b;
|
| 464 |
a= a+b;
|
| 465 |
b= c-d;
|
| 466 |
c= c+d;
|
| 467 |
|
| 468 |
block[stride*0 + xStride*0]= (a+c);
|
| 469 |
block[stride*0 + xStride*1]= (e+b);
|
| 470 |
block[stride*1 + xStride*0]= (a-c);
|
| 471 |
block[stride*1 + xStride*1]= (e-b);
|
| 472 |
}
|
| 473 |
#endif
|
| 474 |
|
| 475 |
static inline void mc_dir_part(H264Context *h, Picture *pic, int n, int square, int chroma_height, int delta, int list, |
| 476 |
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, |
| 477 |
int src_x_offset, int src_y_offset, |
| 478 |
qpel_mc_func *qpix_op, h264_chroma_mc_func chroma_op){
|
| 479 |
MpegEncContext * const s = &h->s;
|
| 480 |
const int mx= h->mv_cache[list][ scan8[n] ][0] + src_x_offset*8; |
| 481 |
int my= h->mv_cache[list][ scan8[n] ][1] + src_y_offset*8; |
| 482 |
const int luma_xy= (mx&3) + ((my&3)<<2); |
| 483 |
uint8_t * src_y = pic->data[0] + (mx>>2) + (my>>2)*h->mb_linesize; |
| 484 |
uint8_t * src_cb, * src_cr; |
| 485 |
int extra_width= h->emu_edge_width;
|
| 486 |
int extra_height= h->emu_edge_height;
|
| 487 |
int emu=0; |
| 488 |
const int full_mx= mx>>2; |
| 489 |
const int full_my= my>>2; |
| 490 |
const int pic_width = 16*s->mb_width; |
| 491 |
const int pic_height = 16*s->mb_height >> MB_FIELD; |
| 492 |
|
| 493 |
if(mx&7) extra_width -= 3; |
| 494 |
if(my&7) extra_height -= 3; |
| 495 |
|
| 496 |
if( full_mx < 0-extra_width |
| 497 |
|| full_my < 0-extra_height
|
| 498 |
|| full_mx + 16/*FIXME*/ > pic_width + extra_width |
| 499 |
|| full_my + 16/*FIXME*/ > pic_height + extra_height){ |
| 500 |
s->dsp.emulated_edge_mc(s->edge_emu_buffer, src_y - 2 - 2*h->mb_linesize, h->mb_linesize, 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, pic_width, pic_height); |
| 501 |
src_y= s->edge_emu_buffer + 2 + 2*h->mb_linesize; |
| 502 |
emu=1;
|
| 503 |
} |
| 504 |
|
| 505 |
qpix_op[luma_xy](dest_y, src_y, h->mb_linesize); //FIXME try variable height perhaps?
|
| 506 |
if(!square){
|
| 507 |
qpix_op[luma_xy](dest_y + delta, src_y + delta, h->mb_linesize); |
| 508 |
} |
| 509 |
|
| 510 |
if(CONFIG_GRAY && s->flags&CODEC_FLAG_GRAY) return; |
| 511 |
|
| 512 |
if(MB_FIELD){
|
| 513 |
// chroma offset when predicting from a field of opposite parity
|
| 514 |
my += 2 * ((s->mb_y & 1) - (pic->reference - 1)); |
| 515 |
emu |= (my>>3) < 0 || (my>>3) + 8 >= (pic_height>>1); |
| 516 |
} |
| 517 |
src_cb= pic->data[1] + (mx>>3) + (my>>3)*h->mb_uvlinesize; |
| 518 |
src_cr= pic->data[2] + (mx>>3) + (my>>3)*h->mb_uvlinesize; |
| 519 |
|
| 520 |
if(emu){
|
| 521 |
s->dsp.emulated_edge_mc(s->edge_emu_buffer, src_cb, h->mb_uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1); |
| 522 |
src_cb= s->edge_emu_buffer; |
| 523 |
} |
| 524 |
chroma_op(dest_cb, src_cb, h->mb_uvlinesize, chroma_height, mx&7, my&7); |
| 525 |
|
| 526 |
if(emu){
|
| 527 |
s->dsp.emulated_edge_mc(s->edge_emu_buffer, src_cr, h->mb_uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1); |
| 528 |
src_cr= s->edge_emu_buffer; |
| 529 |
} |
| 530 |
chroma_op(dest_cr, src_cr, h->mb_uvlinesize, chroma_height, mx&7, my&7); |
| 531 |
} |
| 532 |
|
| 533 |
static inline void mc_part_std(H264Context *h, int n, int square, int chroma_height, int delta, |
| 534 |
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, |
| 535 |
int x_offset, int y_offset, |
| 536 |
qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put, |
| 537 |
qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg, |
| 538 |
int list0, int list1){ |
| 539 |
MpegEncContext * const s = &h->s;
|
| 540 |
qpel_mc_func *qpix_op= qpix_put; |
| 541 |
h264_chroma_mc_func chroma_op= chroma_put; |
| 542 |
|
| 543 |
dest_y += 2*x_offset + 2*y_offset*h-> mb_linesize; |
| 544 |
dest_cb += x_offset + y_offset*h->mb_uvlinesize; |
| 545 |
dest_cr += x_offset + y_offset*h->mb_uvlinesize; |
| 546 |
x_offset += 8*s->mb_x;
|
| 547 |
y_offset += 8*(s->mb_y >> MB_FIELD);
|
| 548 |
|
| 549 |
if(list0){
|
| 550 |
Picture *ref= &h->ref_list[0][ h->ref_cache[0][ scan8[n] ] ]; |
| 551 |
mc_dir_part(h, ref, n, square, chroma_height, delta, 0,
|
| 552 |
dest_y, dest_cb, dest_cr, x_offset, y_offset, |
| 553 |
qpix_op, chroma_op); |
| 554 |
|
| 555 |
qpix_op= qpix_avg; |
| 556 |
chroma_op= chroma_avg; |
| 557 |
} |
| 558 |
|
| 559 |
if(list1){
|
| 560 |
Picture *ref= &h->ref_list[1][ h->ref_cache[1][ scan8[n] ] ]; |
| 561 |
mc_dir_part(h, ref, n, square, chroma_height, delta, 1,
|
| 562 |
dest_y, dest_cb, dest_cr, x_offset, y_offset, |
| 563 |
qpix_op, chroma_op); |
| 564 |
} |
| 565 |
} |
| 566 |
|
| 567 |
static inline void mc_part_weighted(H264Context *h, int n, int square, int chroma_height, int delta, |
| 568 |
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, |
| 569 |
int x_offset, int y_offset, |
| 570 |
qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put, |
| 571 |
h264_weight_func luma_weight_op, h264_weight_func chroma_weight_op, |
| 572 |
h264_biweight_func luma_weight_avg, h264_biweight_func chroma_weight_avg, |
| 573 |
int list0, int list1){ |
| 574 |
MpegEncContext * const s = &h->s;
|
| 575 |
|
| 576 |
dest_y += 2*x_offset + 2*y_offset*h-> mb_linesize; |
| 577 |
dest_cb += x_offset + y_offset*h->mb_uvlinesize; |
| 578 |
dest_cr += x_offset + y_offset*h->mb_uvlinesize; |
| 579 |
x_offset += 8*s->mb_x;
|
| 580 |
y_offset += 8*(s->mb_y >> MB_FIELD);
|
| 581 |
|
| 582 |
if(list0 && list1){
|
| 583 |
/* don't optimize for luma-only case, since B-frames usually
|
| 584 |
* use implicit weights => chroma too. */
|
| 585 |
uint8_t *tmp_cb = s->obmc_scratchpad; |
| 586 |
uint8_t *tmp_cr = s->obmc_scratchpad + 8;
|
| 587 |
uint8_t *tmp_y = s->obmc_scratchpad + 8*h->mb_uvlinesize;
|
| 588 |
int refn0 = h->ref_cache[0][ scan8[n] ]; |
| 589 |
int refn1 = h->ref_cache[1][ scan8[n] ]; |
| 590 |
|
| 591 |
mc_dir_part(h, &h->ref_list[0][refn0], n, square, chroma_height, delta, 0, |
| 592 |
dest_y, dest_cb, dest_cr, |
| 593 |
x_offset, y_offset, qpix_put, chroma_put); |
| 594 |
mc_dir_part(h, &h->ref_list[1][refn1], n, square, chroma_height, delta, 1, |
| 595 |
tmp_y, tmp_cb, tmp_cr, |
| 596 |
x_offset, y_offset, qpix_put, chroma_put); |
| 597 |
|
| 598 |
if(h->use_weight == 2){ |
| 599 |
int weight0 = h->implicit_weight[refn0][refn1][s->mb_y&1]; |
| 600 |
int weight1 = 64 - weight0; |
| 601 |
luma_weight_avg( dest_y, tmp_y, h-> mb_linesize, 5, weight0, weight1, 0); |
| 602 |
chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, 5, weight0, weight1, 0); |
| 603 |
chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, 5, weight0, weight1, 0); |
| 604 |
}else{
|
| 605 |
luma_weight_avg(dest_y, tmp_y, h->mb_linesize, h->luma_log2_weight_denom, |
| 606 |
h->luma_weight[refn0][0][0] , h->luma_weight[refn1][1][0], |
| 607 |
h->luma_weight[refn0][0][1] + h->luma_weight[refn1][1][1]); |
| 608 |
chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, h->chroma_log2_weight_denom, |
| 609 |
h->chroma_weight[refn0][0][0][0] , h->chroma_weight[refn1][1][0][0], |
| 610 |
h->chroma_weight[refn0][0][0][1] + h->chroma_weight[refn1][1][0][1]); |
| 611 |
chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, h->chroma_log2_weight_denom, |
| 612 |
h->chroma_weight[refn0][0][1][0] , h->chroma_weight[refn1][1][1][0], |
| 613 |
h->chroma_weight[refn0][0][1][1] + h->chroma_weight[refn1][1][1][1]); |
| 614 |
} |
| 615 |
}else{
|
| 616 |
int list = list1 ? 1 : 0; |
| 617 |
int refn = h->ref_cache[list][ scan8[n] ];
|
| 618 |
Picture *ref= &h->ref_list[list][refn]; |
| 619 |
mc_dir_part(h, ref, n, square, chroma_height, delta, list, |
| 620 |
dest_y, dest_cb, dest_cr, x_offset, y_offset, |
| 621 |
qpix_put, chroma_put); |
| 622 |
|
| 623 |
luma_weight_op(dest_y, h->mb_linesize, h->luma_log2_weight_denom, |
| 624 |
h->luma_weight[refn][list][0], h->luma_weight[refn][list][1]); |
| 625 |
if(h->use_weight_chroma){
|
| 626 |
chroma_weight_op(dest_cb, h->mb_uvlinesize, h->chroma_log2_weight_denom, |
| 627 |
h->chroma_weight[refn][list][0][0], h->chroma_weight[refn][list][0][1]); |
| 628 |
chroma_weight_op(dest_cr, h->mb_uvlinesize, h->chroma_log2_weight_denom, |
| 629 |
h->chroma_weight[refn][list][1][0], h->chroma_weight[refn][list][1][1]); |
| 630 |
} |
| 631 |
} |
| 632 |
} |
| 633 |
|
| 634 |
static inline void mc_part(H264Context *h, int n, int square, int chroma_height, int delta, |
| 635 |
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, |
| 636 |
int x_offset, int y_offset, |
| 637 |
qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put, |
| 638 |
qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg, |
| 639 |
h264_weight_func *weight_op, h264_biweight_func *weight_avg, |
| 640 |
int list0, int list1){ |
| 641 |
if((h->use_weight==2 && list0 && list1 |
| 642 |
&& (h->implicit_weight[ h->ref_cache[0][scan8[n]] ][ h->ref_cache[1][scan8[n]] ][h->s.mb_y&1] != 32)) |
| 643 |
|| h->use_weight==1)
|
| 644 |
mc_part_weighted(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr, |
| 645 |
x_offset, y_offset, qpix_put, chroma_put, |
| 646 |
weight_op[0], weight_op[3], weight_avg[0], weight_avg[3], list0, list1); |
| 647 |
else
|
| 648 |
mc_part_std(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr, |
| 649 |
x_offset, y_offset, qpix_put, chroma_put, qpix_avg, chroma_avg, list0, list1); |
| 650 |
} |
| 651 |
|
| 652 |
static inline void prefetch_motion(H264Context *h, int list){ |
| 653 |
/* fetch pixels for estimated mv 4 macroblocks ahead
|
| 654 |
* optimized for 64byte cache lines */
|
| 655 |
MpegEncContext * const s = &h->s;
|
| 656 |
const int refn = h->ref_cache[list][scan8[0]]; |
| 657 |
if(refn >= 0){ |
| 658 |
const int mx= (h->mv_cache[list][scan8[0]][0]>>2) + 16*s->mb_x + 8; |
| 659 |
const int my= (h->mv_cache[list][scan8[0]][1]>>2) + 16*s->mb_y; |
| 660 |
uint8_t **src= h->ref_list[list][refn].data; |
| 661 |
int off= mx + (my + (s->mb_x&3)*4)*h->mb_linesize + 64; |
| 662 |
s->dsp.prefetch(src[0]+off, s->linesize, 4); |
| 663 |
off= (mx>>1) + ((my>>1) + (s->mb_x&7))*s->uvlinesize + 64; |
| 664 |
s->dsp.prefetch(src[1]+off, src[2]-src[1], 2); |
| 665 |
} |
| 666 |
} |
| 667 |
|
| 668 |
static void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, |
| 669 |
qpel_mc_func (*qpix_put)[16], h264_chroma_mc_func (*chroma_put),
|
| 670 |
qpel_mc_func (*qpix_avg)[16], h264_chroma_mc_func (*chroma_avg),
|
| 671 |
h264_weight_func *weight_op, h264_biweight_func *weight_avg){
|
| 672 |
MpegEncContext * const s = &h->s;
|
| 673 |
const int mb_xy= h->mb_xy; |
| 674 |
const int mb_type= s->current_picture.mb_type[mb_xy]; |
| 675 |
|
| 676 |
assert(IS_INTER(mb_type)); |
| 677 |
|
| 678 |
if(HAVE_PTHREADS && s->avctx->active_thread_type&FF_THREAD_FRAME)
|
| 679 |
await_references(h); |
| 680 |
prefetch_motion(h, 0);
|
| 681 |
|
| 682 |
if(IS_16X16(mb_type)){
|
| 683 |
mc_part(h, 0, 1, 8, 0, dest_y, dest_cb, dest_cr, 0, 0, |
| 684 |
qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0], |
| 685 |
weight_op, weight_avg, |
| 686 |
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1)); |
| 687 |
}else if(IS_16X8(mb_type)){ |
| 688 |
mc_part(h, 0, 0, 4, 8, dest_y, dest_cb, dest_cr, 0, 0, |
| 689 |
qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0], |
| 690 |
&weight_op[1], &weight_avg[1], |
| 691 |
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1)); |
| 692 |
mc_part(h, 8, 0, 4, 8, dest_y, dest_cb, dest_cr, 0, 4, |
| 693 |
qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0], |
| 694 |
&weight_op[1], &weight_avg[1], |
| 695 |
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1)); |
| 696 |
}else if(IS_8X16(mb_type)){ |
| 697 |
mc_part(h, 0, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0, |
| 698 |
qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1], |
| 699 |
&weight_op[2], &weight_avg[2], |
| 700 |
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1)); |
| 701 |
mc_part(h, 4, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0, |
| 702 |
qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1], |
| 703 |
&weight_op[2], &weight_avg[2], |
| 704 |
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1)); |
| 705 |
}else{
|
| 706 |
int i;
|
| 707 |
|
| 708 |
assert(IS_8X8(mb_type)); |
| 709 |
|
| 710 |
for(i=0; i<4; i++){ |
| 711 |
const int sub_mb_type= h->sub_mb_type[i]; |
| 712 |
const int n= 4*i; |
| 713 |
int x_offset= (i&1)<<2; |
| 714 |
int y_offset= (i&2)<<1; |
| 715 |
|
| 716 |
if(IS_SUB_8X8(sub_mb_type)){
|
| 717 |
mc_part(h, n, 1, 4, 0, dest_y, dest_cb, dest_cr, x_offset, y_offset, |
| 718 |
qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1], |
| 719 |
&weight_op[3], &weight_avg[3], |
| 720 |
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1)); |
| 721 |
}else if(IS_SUB_8X4(sub_mb_type)){ |
| 722 |
mc_part(h, n , 0, 2, 4, dest_y, dest_cb, dest_cr, x_offset, y_offset, |
| 723 |
qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1], |
| 724 |
&weight_op[4], &weight_avg[4], |
| 725 |
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1)); |
| 726 |
mc_part(h, n+2, 0, 2, 4, dest_y, dest_cb, dest_cr, x_offset, y_offset+2, |
| 727 |
qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1], |
| 728 |
&weight_op[4], &weight_avg[4], |
| 729 |
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1)); |
| 730 |
}else if(IS_SUB_4X8(sub_mb_type)){ |
| 731 |
mc_part(h, n , 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset, y_offset, |
| 732 |
qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2], |
| 733 |
&weight_op[5], &weight_avg[5], |
| 734 |
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1)); |
| 735 |
mc_part(h, n+1, 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset+2, y_offset, |
| 736 |
qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2], |
| 737 |
&weight_op[5], &weight_avg[5], |
| 738 |
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1)); |
| 739 |
}else{
|
| 740 |
int j;
|
| 741 |
assert(IS_SUB_4X4(sub_mb_type)); |
| 742 |
for(j=0; j<4; j++){ |
| 743 |
int sub_x_offset= x_offset + 2*(j&1); |
| 744 |
int sub_y_offset= y_offset + (j&2); |
| 745 |
mc_part(h, n+j, 1, 2, 0, dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset, |
| 746 |
qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2], |
| 747 |
&weight_op[6], &weight_avg[6], |
| 748 |
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1)); |
| 749 |
} |
| 750 |
} |
| 751 |
} |
| 752 |
} |
| 753 |
|
| 754 |
prefetch_motion(h, 1);
|
| 755 |
} |
| 756 |
|
| 757 |
|
| 758 |
static void free_tables(H264Context *h, int free_rbsp){ |
| 759 |
int i;
|
| 760 |
H264Context *hx; |
| 761 |
av_freep(&h->intra4x4_pred_mode); |
| 762 |
av_freep(&h->chroma_pred_mode_table); |
| 763 |
av_freep(&h->cbp_table); |
| 764 |
av_freep(&h->mvd_table[0]);
|
| 765 |
av_freep(&h->mvd_table[1]);
|
| 766 |
av_freep(&h->direct_table); |
| 767 |
av_freep(&h->non_zero_count); |
| 768 |
av_freep(&h->slice_table_base); |
| 769 |
h->slice_table= NULL;
|
| 770 |
av_freep(&h->list_counts); |
| 771 |
|
| 772 |
av_freep(&h->mb2b_xy); |
| 773 |
av_freep(&h->mb2br_xy); |
| 774 |
|
| 775 |
for(i = 0; i < MAX_THREADS; i++) { |
| 776 |
hx = h->thread_context[i]; |
| 777 |
if(!hx) continue; |
| 778 |
av_freep(&hx->top_borders[1]);
|
| 779 |
av_freep(&hx->top_borders[0]);
|
| 780 |
av_freep(&hx->s.obmc_scratchpad); |
| 781 |
if (free_rbsp){
|
| 782 |
av_freep(&hx->rbsp_buffer[1]);
|
| 783 |
av_freep(&hx->rbsp_buffer[0]);
|
| 784 |
hx->rbsp_buffer_size[0] = 0; |
| 785 |
hx->rbsp_buffer_size[1] = 0; |
| 786 |
} |
| 787 |
if (i) av_freep(&h->thread_context[i]);
|
| 788 |
} |
| 789 |
} |
| 790 |
|
| 791 |
static void init_dequant8_coeff_table(H264Context *h){ |
| 792 |
int i,q,x;
|
| 793 |
h->dequant8_coeff[0] = h->dequant8_buffer[0]; |
| 794 |
h->dequant8_coeff[1] = h->dequant8_buffer[1]; |
| 795 |
|
| 796 |
for(i=0; i<2; i++ ){ |
| 797 |
if(i && !memcmp(h->pps.scaling_matrix8[0], h->pps.scaling_matrix8[1], 64*sizeof(uint8_t))){ |
| 798 |
h->dequant8_coeff[1] = h->dequant8_buffer[0]; |
| 799 |
break;
|
| 800 |
} |
| 801 |
|
| 802 |
for(q=0; q<52; q++){ |
| 803 |
int shift = div6[q];
|
| 804 |
int idx = rem6[q];
|
| 805 |
for(x=0; x<64; x++) |
| 806 |
h->dequant8_coeff[i][q][(x>>3)|((x&7)<<3)] = |
| 807 |
((uint32_t)dequant8_coeff_init[idx][ dequant8_coeff_init_scan[((x>>1)&12) | (x&3)] ] * |
| 808 |
h->pps.scaling_matrix8[i][x]) << shift; |
| 809 |
} |
| 810 |
} |
| 811 |
} |
| 812 |
|
| 813 |
static void init_dequant4_coeff_table(H264Context *h){ |
| 814 |
int i,j,q,x;
|
| 815 |
for(i=0; i<6; i++ ){ |
| 816 |
h->dequant4_coeff[i] = h->dequant4_buffer[i]; |
| 817 |
for(j=0; j<i; j++){ |
| 818 |
if(!memcmp(h->pps.scaling_matrix4[j], h->pps.scaling_matrix4[i], 16*sizeof(uint8_t))){ |
| 819 |
h->dequant4_coeff[i] = h->dequant4_buffer[j]; |
| 820 |
break;
|
| 821 |
} |
| 822 |
} |
| 823 |
if(j<i)
|
| 824 |
continue;
|
| 825 |
|
| 826 |
for(q=0; q<52; q++){ |
| 827 |
int shift = div6[q] + 2; |
| 828 |
int idx = rem6[q];
|
| 829 |
for(x=0; x<16; x++) |
| 830 |
h->dequant4_coeff[i][q][(x>>2)|((x<<2)&0xF)] = |
| 831 |
((uint32_t)dequant4_coeff_init[idx][(x&1) + ((x>>2)&1)] * |
| 832 |
h->pps.scaling_matrix4[i][x]) << shift; |
| 833 |
} |
| 834 |
} |
| 835 |
} |
| 836 |
|
| 837 |
static void init_dequant_tables(H264Context *h){ |
| 838 |
int i,x;
|
| 839 |
init_dequant4_coeff_table(h); |
| 840 |
if(h->pps.transform_8x8_mode)
|
| 841 |
init_dequant8_coeff_table(h); |
| 842 |
if(h->sps.transform_bypass){
|
| 843 |
for(i=0; i<6; i++) |
| 844 |
for(x=0; x<16; x++) |
| 845 |
h->dequant4_coeff[i][0][x] = 1<<6; |
| 846 |
if(h->pps.transform_8x8_mode)
|
| 847 |
for(i=0; i<2; i++) |
| 848 |
for(x=0; x<64; x++) |
| 849 |
h->dequant8_coeff[i][0][x] = 1<<6; |
| 850 |
} |
| 851 |
} |
| 852 |
|
| 853 |
|
| 854 |
int ff_h264_alloc_tables(H264Context *h){
|
| 855 |
MpegEncContext * const s = &h->s;
|
| 856 |
const int big_mb_num= s->mb_stride * (s->mb_height+1); |
| 857 |
const int row_mb_num= 2*s->mb_stride*s->avctx->thread_count; |
| 858 |
int x,y;
|
| 859 |
|
| 860 |
FF_ALLOCZ_OR_GOTO(h->s.avctx, h->intra4x4_pred_mode, row_mb_num * 8 * sizeof(uint8_t), fail) |
| 861 |
|
| 862 |
FF_ALLOCZ_OR_GOTO(h->s.avctx, h->non_zero_count , big_mb_num * 32 * sizeof(uint8_t), fail) |
| 863 |
FF_ALLOCZ_OR_GOTO(h->s.avctx, h->slice_table_base , (big_mb_num+s->mb_stride) * sizeof(*h->slice_table_base), fail)
|
| 864 |
FF_ALLOCZ_OR_GOTO(h->s.avctx, h->cbp_table, big_mb_num * sizeof(uint16_t), fail)
|
| 865 |
|
| 866 |
FF_ALLOCZ_OR_GOTO(h->s.avctx, h->chroma_pred_mode_table, big_mb_num * sizeof(uint8_t), fail)
|
| 867 |
FF_ALLOCZ_OR_GOTO(h->s.avctx, h->mvd_table[0], 16*row_mb_num * sizeof(uint8_t), fail); |
| 868 |
FF_ALLOCZ_OR_GOTO(h->s.avctx, h->mvd_table[1], 16*row_mb_num * sizeof(uint8_t), fail); |
| 869 |
FF_ALLOCZ_OR_GOTO(h->s.avctx, h->direct_table, 4*big_mb_num * sizeof(uint8_t) , fail); |
| 870 |
FF_ALLOCZ_OR_GOTO(h->s.avctx, h->list_counts, big_mb_num * sizeof(uint8_t), fail)
|
| 871 |
|
| 872 |
memset(h->slice_table_base, -1, (big_mb_num+s->mb_stride) * sizeof(*h->slice_table_base)); |
| 873 |
h->slice_table= h->slice_table_base + s->mb_stride*2 + 1; |
| 874 |
|
| 875 |
FF_ALLOCZ_OR_GOTO(h->s.avctx, h->mb2b_xy , big_mb_num * sizeof(uint32_t), fail);
|
| 876 |
FF_ALLOCZ_OR_GOTO(h->s.avctx, h->mb2br_xy , big_mb_num * sizeof(uint32_t), fail);
|
| 877 |
for(y=0; y<s->mb_height; y++){ |
| 878 |
for(x=0; x<s->mb_width; x++){ |
| 879 |
const int mb_xy= x + y*s->mb_stride; |
| 880 |
const int b_xy = 4*x + 4*y*h->b_stride; |
| 881 |
|
| 882 |
h->mb2b_xy [mb_xy]= b_xy; |
| 883 |
h->mb2br_xy[mb_xy]= 8*(FMO ? mb_xy : (mb_xy % (2*s->mb_stride))); |
| 884 |
} |
| 885 |
} |
| 886 |
|
| 887 |
s->obmc_scratchpad = NULL;
|
| 888 |
|
| 889 |
if(!h->dequant4_coeff[0]) |
| 890 |
init_dequant_tables(h); |
| 891 |
|
| 892 |
return 0; |
| 893 |
fail:
|
| 894 |
free_tables(h, 1);
|
| 895 |
return -1; |
| 896 |
} |
| 897 |
|
| 898 |
/**
|
| 899 |
* Mimic alloc_tables(), but for every context thread.
|
| 900 |
*/
|
| 901 |
static void clone_tables(H264Context *dst, H264Context *src, int i){ |
| 902 |
MpegEncContext * const s = &src->s;
|
| 903 |
dst->intra4x4_pred_mode = src->intra4x4_pred_mode + i*8*2*s->mb_stride; |
| 904 |
dst->non_zero_count = src->non_zero_count; |
| 905 |
dst->slice_table = src->slice_table; |
| 906 |
dst->cbp_table = src->cbp_table; |
| 907 |
dst->mb2b_xy = src->mb2b_xy; |
| 908 |
dst->mb2br_xy = src->mb2br_xy; |
| 909 |
dst->chroma_pred_mode_table = src->chroma_pred_mode_table; |
| 910 |
dst->mvd_table[0] = src->mvd_table[0] + i*8*2*s->mb_stride; |
| 911 |
dst->mvd_table[1] = src->mvd_table[1] + i*8*2*s->mb_stride; |
| 912 |
dst->direct_table = src->direct_table; |
| 913 |
dst->list_counts = src->list_counts; |
| 914 |
|
| 915 |
dst->s.obmc_scratchpad = NULL;
|
| 916 |
ff_h264_pred_init(&dst->hpc, src->s.codec_id); |
| 917 |
} |
| 918 |
|
| 919 |
/**
|
| 920 |
* Init context
|
| 921 |
* Allocate buffers which are not shared amongst multiple threads.
|
| 922 |
*/
|
| 923 |
static int context_init(H264Context *h){ |
| 924 |
FF_ALLOCZ_OR_GOTO(h->s.avctx, h->top_borders[0], h->s.mb_width * (16+8+8) * sizeof(uint8_t), fail) |
| 925 |
FF_ALLOCZ_OR_GOTO(h->s.avctx, h->top_borders[1], h->s.mb_width * (16+8+8) * sizeof(uint8_t), fail) |
| 926 |
|
| 927 |
h->ref_cache[0][scan8[5 ]+1] = h->ref_cache[0][scan8[7 ]+1] = h->ref_cache[0][scan8[13]+1] = |
| 928 |
h->ref_cache[1][scan8[5 ]+1] = h->ref_cache[1][scan8[7 ]+1] = h->ref_cache[1][scan8[13]+1] = PART_NOT_AVAILABLE; |
| 929 |
|
| 930 |
return 0; |
| 931 |
fail:
|
| 932 |
return -1; // free_tables will clean up for us |
| 933 |
} |
| 934 |
|
| 935 |
static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size); |
| 936 |
|
| 937 |
static av_cold void common_init(H264Context *h){ |
| 938 |
MpegEncContext * const s = &h->s;
|
| 939 |
|
| 940 |
s->width = s->avctx->width; |
| 941 |
s->height = s->avctx->height; |
| 942 |
s->codec_id= s->avctx->codec->id; |
| 943 |
|
| 944 |
ff_h264dsp_init(&h->h264dsp); |
| 945 |
ff_h264_pred_init(&h->hpc, s->codec_id); |
| 946 |
|
| 947 |
h->dequant_coeff_pps= -1;
|
| 948 |
s->unrestricted_mv=1;
|
| 949 |
s->decode=1; //FIXME |
| 950 |
|
| 951 |
dsputil_init(&s->dsp, s->avctx); // needed so that idct permutation is known early
|
| 952 |
|
| 953 |
memset(h->pps.scaling_matrix4, 16, 6*16*sizeof(uint8_t)); |
| 954 |
memset(h->pps.scaling_matrix8, 16, 2*64*sizeof(uint8_t)); |
| 955 |
} |
| 956 |
|
| 957 |
int ff_h264_decode_extradata(H264Context *h)
|
| 958 |
{
|
| 959 |
AVCodecContext *avctx = h->s.avctx; |
| 960 |
|
| 961 |
if(*(char *)avctx->extradata == 1){ |
| 962 |
int i, cnt, nalsize;
|
| 963 |
unsigned char *p = avctx->extradata; |
| 964 |
|
| 965 |
h->is_avc = 1;
|
| 966 |
|
| 967 |
if(avctx->extradata_size < 7) { |
| 968 |
av_log(avctx, AV_LOG_ERROR, "avcC too short\n");
|
| 969 |
return -1; |
| 970 |
} |
| 971 |
/* sps and pps in the avcC always have length coded with 2 bytes,
|
| 972 |
so put a fake nal_length_size = 2 while parsing them */
|
| 973 |
h->nal_length_size = 2;
|
| 974 |
// Decode sps from avcC
|
| 975 |
cnt = *(p+5) & 0x1f; // Number of sps |
| 976 |
p += 6;
|
| 977 |
for (i = 0; i < cnt; i++) { |
| 978 |
nalsize = AV_RB16(p) + 2;
|
| 979 |
if(decode_nal_units(h, p, nalsize) < 0) { |
| 980 |
av_log(avctx, AV_LOG_ERROR, "Decoding sps %d from avcC failed\n", i);
|
| 981 |
return -1; |
| 982 |
} |
| 983 |
p += nalsize; |
| 984 |
} |
| 985 |
// Decode pps from avcC
|
| 986 |
cnt = *(p++); // Number of pps
|
| 987 |
for (i = 0; i < cnt; i++) { |
| 988 |
nalsize = AV_RB16(p) + 2;
|
| 989 |
if(decode_nal_units(h, p, nalsize) != nalsize) {
|
| 990 |
av_log(avctx, AV_LOG_ERROR, "Decoding pps %d from avcC failed\n", i);
|
| 991 |
return -1; |
| 992 |
} |
| 993 |
p += nalsize; |
| 994 |
} |
| 995 |
// Now store right nal length size, that will be use to parse all other nals
|
| 996 |
h->nal_length_size = ((*(((char*)(avctx->extradata))+4))&0x03)+1; |
| 997 |
} else {
|
| 998 |
h->is_avc = 0;
|
| 999 |
if(decode_nal_units(h, avctx->extradata, avctx->extradata_size) < 0) |
| 1000 |
return -1; |
| 1001 |
} |
| 1002 |
return 0; |
| 1003 |
} |
| 1004 |
|
| 1005 |
av_cold int ff_h264_decode_init(AVCodecContext *avctx){
|
| 1006 |
H264Context *h= avctx->priv_data; |
| 1007 |
MpegEncContext * const s = &h->s;
|
| 1008 |
|
| 1009 |
MPV_decode_defaults(s); |
| 1010 |
|
| 1011 |
s->avctx = avctx; |
| 1012 |
common_init(h); |
| 1013 |
|
| 1014 |
s->out_format = FMT_H264; |
| 1015 |
s->workaround_bugs= avctx->workaround_bugs; |
| 1016 |
|
| 1017 |
// set defaults
|
| 1018 |
// s->decode_mb= ff_h263_decode_mb;
|
| 1019 |
s->quarter_sample = 1;
|
| 1020 |
if(!avctx->has_b_frames)
|
| 1021 |
s->low_delay= 1;
|
| 1022 |
|
| 1023 |
avctx->chroma_sample_location = AVCHROMA_LOC_LEFT; |
| 1024 |
|
| 1025 |
ff_h264_decode_init_vlc(); |
| 1026 |
|
| 1027 |
h->thread_context[0] = h;
|
| 1028 |
h->outputed_poc = h->next_outputed_poc = INT_MIN; |
| 1029 |
h->prev_poc_msb= 1<<16; |
| 1030 |
h->x264_build = -1;
|
| 1031 |
ff_h264_reset_sei(h); |
| 1032 |
if(avctx->codec_id == CODEC_ID_H264){
|
| 1033 |
if(avctx->ticks_per_frame == 1){ |
| 1034 |
s->avctx->time_base.den *=2;
|
| 1035 |
} |
| 1036 |
avctx->ticks_per_frame = 2;
|
| 1037 |
} |
| 1038 |
|
| 1039 |
if(avctx->extradata_size > 0 && avctx->extradata && |
| 1040 |
ff_h264_decode_extradata(h)) |
| 1041 |
return -1; |
| 1042 |
|
| 1043 |
if(h->sps.bitstream_restriction_flag && s->avctx->has_b_frames < h->sps.num_reorder_frames){
|
| 1044 |
s->avctx->has_b_frames = h->sps.num_reorder_frames; |
| 1045 |
s->low_delay = 0;
|
| 1046 |
} |
| 1047 |
|
| 1048 |
return 0; |
| 1049 |
} |
| 1050 |
|
| 1051 |
static void copy_picture_range(Picture **to, Picture **from, int count, MpegEncContext *new_base, MpegEncContext *old_base) |
| 1052 |
{
|
| 1053 |
int i;
|
| 1054 |
|
| 1055 |
for (i=0; i<count; i++){ |
| 1056 |
to[i] = REBASE_PICTURE(from[i], new_base, old_base); |
| 1057 |
} |
| 1058 |
} |
| 1059 |
|
| 1060 |
static void copy_parameter_set(void **to, void **from, int count, int size) |
| 1061 |
{
|
| 1062 |
int i;
|
| 1063 |
|
| 1064 |
for (i=0; i<count; i++){ |
| 1065 |
if (to[i] && !from[i]) av_freep(&to[i]);
|
| 1066 |
else if (from[i] && !to[i]) to[i] = av_malloc(size); |
| 1067 |
|
| 1068 |
if (from[i]) memcpy(to[i], from[i], size);
|
| 1069 |
} |
| 1070 |
} |
| 1071 |
|
| 1072 |
static int decode_init_thread_copy(AVCodecContext *avctx){ |
| 1073 |
H264Context *h= avctx->priv_data; |
| 1074 |
|
| 1075 |
if (!avctx->is_copy) return 0; |
| 1076 |
memset(h->sps_buffers, 0, sizeof(h->sps_buffers)); |
| 1077 |
memset(h->pps_buffers, 0, sizeof(h->pps_buffers)); |
| 1078 |
|
| 1079 |
return 0; |
| 1080 |
} |
| 1081 |
|
| 1082 |
#define copy_fields(to, from, start_field, end_field) memcpy(&to->start_field, &from->start_field, (char*)&to->end_field - (char*)&to->start_field) |
| 1083 |
static int decode_update_thread_context(AVCodecContext *dst, const AVCodecContext *src){ |
| 1084 |
H264Context *h= dst->priv_data, *h1= src->priv_data; |
| 1085 |
MpegEncContext * const s = &h->s, * const s1 = &h1->s; |
| 1086 |
int inited = s->context_initialized, err;
|
| 1087 |
int i;
|
| 1088 |
|
| 1089 |
if(dst == src || !s1->context_initialized) return 0; |
| 1090 |
|
| 1091 |
err = ff_mpeg_update_thread_context(dst, src); |
| 1092 |
if(err) return err; |
| 1093 |
|
| 1094 |
//FIXME handle width/height changing
|
| 1095 |
if(!inited){
|
| 1096 |
for(i = 0; i < MAX_SPS_COUNT; i++) |
| 1097 |
av_freep(h->sps_buffers + i); |
| 1098 |
|
| 1099 |
for(i = 0; i < MAX_PPS_COUNT; i++) |
| 1100 |
av_freep(h->pps_buffers + i); |
| 1101 |
|
| 1102 |
memcpy(&h->s + 1, &h1->s + 1, sizeof(H264Context) - sizeof(MpegEncContext)); //copy all fields after MpegEnc |
| 1103 |
memset(h->sps_buffers, 0, sizeof(h->sps_buffers)); |
| 1104 |
memset(h->pps_buffers, 0, sizeof(h->pps_buffers)); |
| 1105 |
ff_h264_alloc_tables(h); |
| 1106 |
context_init(h); |
| 1107 |
|
| 1108 |
for(i=0; i<2; i++){ |
| 1109 |
h->rbsp_buffer[i] = NULL;
|
| 1110 |
h->rbsp_buffer_size[i] = 0;
|
| 1111 |
} |
| 1112 |
|
| 1113 |
h->thread_context[0] = h;
|
| 1114 |
|
| 1115 |
// frame_start may not be called for the next thread (if it's decoding a bottom field)
|
| 1116 |
// so this has to be allocated here
|
| 1117 |
h->s.obmc_scratchpad = av_malloc(16*2*s->linesize + 8*2*s->uvlinesize); |
| 1118 |
|
| 1119 |
s->dsp.clear_blocks(h->mb); |
| 1120 |
} |
| 1121 |
|
| 1122 |
//extradata/NAL handling
|
| 1123 |
h->is_avc = h1->is_avc; |
| 1124 |
|
| 1125 |
//SPS/PPS
|
| 1126 |
copy_parameter_set((void**)h->sps_buffers, (void**)h1->sps_buffers, MAX_SPS_COUNT, sizeof(SPS)); |
| 1127 |
h->sps = h1->sps; |
| 1128 |
copy_parameter_set((void**)h->pps_buffers, (void**)h1->pps_buffers, MAX_PPS_COUNT, sizeof(PPS)); |
| 1129 |
h->pps = h1->pps; |
| 1130 |
|
| 1131 |
//Dequantization matrices
|
| 1132 |
//FIXME these are big - can they be only copied when PPS changes?
|
| 1133 |
copy_fields(h, h1, dequant4_buffer, dequant4_coeff); |
| 1134 |
|
| 1135 |
for(i=0; i<6; i++) |
| 1136 |
h->dequant4_coeff[i] = h->dequant4_buffer[0] + (h1->dequant4_coeff[i] - h1->dequant4_buffer[0]); |
| 1137 |
|
| 1138 |
for(i=0; i<2; i++) |
| 1139 |
h->dequant8_coeff[i] = h->dequant8_buffer[0] + (h1->dequant8_coeff[i] - h1->dequant8_buffer[0]); |
| 1140 |
|
| 1141 |
h->dequant_coeff_pps = h1->dequant_coeff_pps; |
| 1142 |
|
| 1143 |
//POC timing
|
| 1144 |
copy_fields(h, h1, poc_lsb, redundant_pic_count); |
| 1145 |
|
| 1146 |
//reference lists
|
| 1147 |
copy_fields(h, h1, ref_count, intra_gb); |
| 1148 |
copy_fields(h, h1, short_ref, cabac_init_idc); |
| 1149 |
|
| 1150 |
copy_picture_range(h->short_ref, h1->short_ref, 32, s, s1);
|
| 1151 |
copy_picture_range(h->long_ref, h1->long_ref, 32, s, s1);
|
| 1152 |
copy_picture_range(h->delayed_pic, h1->delayed_pic, MAX_DELAYED_PIC_COUNT+2, s, s1);
|
| 1153 |
|
| 1154 |
h->last_slice_type = h1->last_slice_type; |
| 1155 |
|
| 1156 |
if(!s->current_picture_ptr) return 0; |
| 1157 |
|
| 1158 |
if(!s->dropable) {
|
| 1159 |
ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index); |
| 1160 |
h->prev_poc_msb = h->poc_msb; |
| 1161 |
h->prev_poc_lsb = h->poc_lsb; |
| 1162 |
} |
| 1163 |
h->prev_frame_num_offset= h->frame_num_offset; |
| 1164 |
h->prev_frame_num = h->frame_num; |
| 1165 |
h->outputed_poc = h->next_outputed_poc; |
| 1166 |
|
| 1167 |
return 0; |
| 1168 |
} |
| 1169 |
|
| 1170 |
int ff_h264_frame_start(H264Context *h){
|
| 1171 |
MpegEncContext * const s = &h->s;
|
| 1172 |
int i;
|
| 1173 |
|
| 1174 |
if(MPV_frame_start(s, s->avctx) < 0) |
| 1175 |
return -1; |
| 1176 |
ff_er_frame_start(s); |
| 1177 |
/*
|
| 1178 |
* MPV_frame_start uses pict_type to derive key_frame.
|
| 1179 |
* This is incorrect for H.264; IDR markings must be used.
|
| 1180 |
* Zero here; IDR markings per slice in frame or fields are ORed in later.
|
| 1181 |
* See decode_nal_units().
|
| 1182 |
*/
|
| 1183 |
s->current_picture_ptr->key_frame= 0;
|
| 1184 |
s->current_picture_ptr->mmco_reset= 0;
|
| 1185 |
|
| 1186 |
assert(s->linesize && s->uvlinesize); |
| 1187 |
|
| 1188 |
for(i=0; i<16; i++){ |
| 1189 |
h->block_offset[i]= 4*((scan8[i] - scan8[0])&7) + 4*s->linesize*((scan8[i] - scan8[0])>>3); |
| 1190 |
h->block_offset[24+i]= 4*((scan8[i] - scan8[0])&7) + 8*s->linesize*((scan8[i] - scan8[0])>>3); |
| 1191 |
} |
| 1192 |
for(i=0; i<4; i++){ |
| 1193 |
h->block_offset[16+i]=
|
| 1194 |
h->block_offset[20+i]= 4*((scan8[i] - scan8[0])&7) + 4*s->uvlinesize*((scan8[i] - scan8[0])>>3); |
| 1195 |
h->block_offset[24+16+i]= |
| 1196 |
h->block_offset[24+20+i]= 4*((scan8[i] - scan8[0])&7) + 8*s->uvlinesize*((scan8[i] - scan8[0])>>3); |
| 1197 |
} |
| 1198 |
|
| 1199 |
/* can't be in alloc_tables because linesize isn't known there.
|
| 1200 |
* FIXME: redo bipred weight to not require extra buffer? */
|
| 1201 |
for(i = 0; i < s->avctx->thread_count; i++) |
| 1202 |
if(h->thread_context[i] && !h->thread_context[i]->s.obmc_scratchpad)
|
| 1203 |
h->thread_context[i]->s.obmc_scratchpad = av_malloc(16*2*s->linesize + 8*2*s->uvlinesize); |
| 1204 |
|
| 1205 |
/* some macroblocks can be accessed before they're available in case of lost slices, mbaff or threading*/
|
| 1206 |
memset(h->slice_table, -1, (s->mb_height*s->mb_stride-1) * sizeof(*h->slice_table)); |
| 1207 |
|
| 1208 |
// s->decode= (s->flags&CODEC_FLAG_PSNR) || !s->encoding || s->current_picture.reference /*|| h->contains_intra*/ || 1;
|
| 1209 |
|
| 1210 |
// We mark the current picture as non-reference after allocating it, so
|
| 1211 |
// that if we break out due to an error it can be released automatically
|
| 1212 |
// in the next MPV_frame_start().
|
| 1213 |
// SVQ3 as well as most other codecs have only last/next/current and thus
|
| 1214 |
// get released even with set reference, besides SVQ3 and others do not
|
| 1215 |
// mark frames as reference later "naturally".
|
| 1216 |
if(s->codec_id != CODEC_ID_SVQ3)
|
| 1217 |
s->current_picture_ptr->reference= 0;
|
| 1218 |
|
| 1219 |
s->current_picture_ptr->field_poc[0]=
|
| 1220 |
s->current_picture_ptr->field_poc[1]= INT_MAX;
|
| 1221 |
|
| 1222 |
h->next_output_pic = NULL;
|
| 1223 |
|
| 1224 |
assert(s->current_picture_ptr->long_ref==0);
|
| 1225 |
|
| 1226 |
return 0; |
| 1227 |
} |
| 1228 |
|
| 1229 |
/**
|
| 1230 |
* Run setup operations that must be run after slice header decoding.
|
| 1231 |
* This includes finding the next displayed frame.
|
| 1232 |
*
|
| 1233 |
* @param h h264 master context
|
| 1234 |
*/
|
| 1235 |
static void decode_postinit(H264Context *h){ |
| 1236 |
MpegEncContext * const s = &h->s;
|
| 1237 |
Picture *out = s->current_picture_ptr; |
| 1238 |
Picture *cur = s->current_picture_ptr; |
| 1239 |
int i, pics, out_of_order, out_idx;
|
| 1240 |
|
| 1241 |
s->current_picture_ptr->qscale_type= FF_QSCALE_TYPE_H264; |
| 1242 |
s->current_picture_ptr->pict_type= s->pict_type; |
| 1243 |
|
| 1244 |
if (h->next_output_pic) return; |
| 1245 |
|
| 1246 |
if (cur->field_poc[0]==INT_MAX || cur->field_poc[1]==INT_MAX) { |
| 1247 |
//FIXME this allows the next thread to start once we encounter the first field of a PAFF packet
|
| 1248 |
//This works if the next packet contains the second field. It does not work if both fields are
|
| 1249 |
//in the same packet.
|
| 1250 |
//ff_thread_finish_setup(s->avctx);
|
| 1251 |
return;
|
| 1252 |
} |
| 1253 |
|
| 1254 |
cur->interlaced_frame = 0;
|
| 1255 |
cur->repeat_pict = 0;
|
| 1256 |
|
| 1257 |
/* Signal interlacing information externally. */
|
| 1258 |
/* Prioritize picture timing SEI information over used decoding process if it exists. */
|
| 1259 |
|
| 1260 |
if(h->sps.pic_struct_present_flag){
|
| 1261 |
switch (h->sei_pic_struct)
|
| 1262 |
{
|
| 1263 |
case SEI_PIC_STRUCT_FRAME:
|
| 1264 |
break;
|
| 1265 |
case SEI_PIC_STRUCT_TOP_FIELD:
|
| 1266 |
case SEI_PIC_STRUCT_BOTTOM_FIELD:
|
| 1267 |
cur->interlaced_frame = 1;
|
| 1268 |
break;
|
| 1269 |
case SEI_PIC_STRUCT_TOP_BOTTOM:
|
| 1270 |
case SEI_PIC_STRUCT_BOTTOM_TOP:
|
| 1271 |
if (FIELD_OR_MBAFF_PICTURE)
|
| 1272 |
cur->interlaced_frame = 1;
|
| 1273 |
else
|
| 1274 |
// try to flag soft telecine progressive
|
| 1275 |
cur->interlaced_frame = h->prev_interlaced_frame; |
| 1276 |
break;
|
| 1277 |
case SEI_PIC_STRUCT_TOP_BOTTOM_TOP:
|
| 1278 |
case SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM:
|
| 1279 |
// Signal the possibility of telecined film externally (pic_struct 5,6)
|
| 1280 |
// From these hints, let the applications decide if they apply deinterlacing.
|
| 1281 |
cur->repeat_pict = 1;
|
| 1282 |
break;
|
| 1283 |
case SEI_PIC_STRUCT_FRAME_DOUBLING:
|
| 1284 |
// Force progressive here, as doubling interlaced frame is a bad idea.
|
| 1285 |
cur->repeat_pict = 2;
|
| 1286 |
break;
|
| 1287 |
case SEI_PIC_STRUCT_FRAME_TRIPLING:
|
| 1288 |
cur->repeat_pict = 4;
|
| 1289 |
break;
|
| 1290 |
} |
| 1291 |
|
| 1292 |
if ((h->sei_ct_type & 3) && h->sei_pic_struct <= SEI_PIC_STRUCT_BOTTOM_TOP) |
| 1293 |
cur->interlaced_frame = (h->sei_ct_type & (1<<1)) != 0; |
| 1294 |
}else{
|
| 1295 |
/* Derive interlacing flag from used decoding process. */
|
| 1296 |
cur->interlaced_frame = FIELD_OR_MBAFF_PICTURE; |
| 1297 |
} |
| 1298 |
h->prev_interlaced_frame = cur->interlaced_frame; |
| 1299 |
|
| 1300 |
if (cur->field_poc[0] != cur->field_poc[1]){ |
| 1301 |
/* Derive top_field_first from field pocs. */
|
| 1302 |
cur->top_field_first = cur->field_poc[0] < cur->field_poc[1]; |
| 1303 |
}else{
|
| 1304 |
if(cur->interlaced_frame || h->sps.pic_struct_present_flag){
|
| 1305 |
/* Use picture timing SEI information. Even if it is a information of a past frame, better than nothing. */
|
| 1306 |
if(h->sei_pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM
|
| 1307 |
|| h->sei_pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM_TOP) |
| 1308 |
cur->top_field_first = 1;
|
| 1309 |
else
|
| 1310 |
cur->top_field_first = 0;
|
| 1311 |
}else{
|
| 1312 |
/* Most likely progressive */
|
| 1313 |
cur->top_field_first = 0;
|
| 1314 |
} |
| 1315 |
} |
| 1316 |
|
| 1317 |
//FIXME do something with unavailable reference frames
|
| 1318 |
|
| 1319 |
/* Sort B-frames into display order */
|
| 1320 |
|
| 1321 |
if(h->sps.bitstream_restriction_flag
|
| 1322 |
&& s->avctx->has_b_frames < h->sps.num_reorder_frames){
|
| 1323 |
s->avctx->has_b_frames = h->sps.num_reorder_frames; |
| 1324 |
s->low_delay = 0;
|
| 1325 |
} |
| 1326 |
|
| 1327 |
if( s->avctx->strict_std_compliance >= FF_COMPLIANCE_STRICT
|
| 1328 |
&& !h->sps.bitstream_restriction_flag){
|
| 1329 |
s->avctx->has_b_frames= MAX_DELAYED_PIC_COUNT; |
| 1330 |
s->low_delay= 0;
|
| 1331 |
} |
| 1332 |
|
| 1333 |
pics = 0;
|
| 1334 |
while(h->delayed_pic[pics]) pics++;
|
| 1335 |
|
| 1336 |
assert(pics <= MAX_DELAYED_PIC_COUNT); |
| 1337 |
|
| 1338 |
h->delayed_pic[pics++] = cur; |
| 1339 |
if(cur->reference == 0) |
| 1340 |
cur->reference = DELAYED_PIC_REF; |
| 1341 |
|
| 1342 |
out = h->delayed_pic[0];
|
| 1343 |
out_idx = 0;
|
| 1344 |
for(i=1; h->delayed_pic[i] && !h->delayed_pic[i]->key_frame && !h->delayed_pic[i]->mmco_reset; i++) |
| 1345 |
if(h->delayed_pic[i]->poc < out->poc){
|
| 1346 |
out = h->delayed_pic[i]; |
| 1347 |
out_idx = i; |
| 1348 |
} |
| 1349 |
if(s->avctx->has_b_frames == 0 && (h->delayed_pic[0]->key_frame || h->delayed_pic[0]->mmco_reset)) |
| 1350 |
h->next_outputed_poc= INT_MIN; |
| 1351 |
out_of_order = out->poc < h->next_outputed_poc; |
| 1352 |
|
| 1353 |
if(h->sps.bitstream_restriction_flag && s->avctx->has_b_frames >= h->sps.num_reorder_frames)
|
| 1354 |
{ }
|
| 1355 |
else if((out_of_order && pics-1 == s->avctx->has_b_frames && s->avctx->has_b_frames < MAX_DELAYED_PIC_COUNT) |
| 1356 |
|| (s->low_delay && |
| 1357 |
((h->next_outputed_poc != INT_MIN && out->poc > h->next_outputed_poc + 2)
|
| 1358 |
|| cur->pict_type == FF_B_TYPE))) |
| 1359 |
{
|
| 1360 |
s->low_delay = 0;
|
| 1361 |
s->avctx->has_b_frames++; |
| 1362 |
} |
| 1363 |
|
| 1364 |
if(out_of_order || pics > s->avctx->has_b_frames){
|
| 1365 |
out->reference &= ~DELAYED_PIC_REF; |
| 1366 |
for(i=out_idx; h->delayed_pic[i]; i++)
|
| 1367 |
h->delayed_pic[i] = h->delayed_pic[i+1];
|
| 1368 |
} |
| 1369 |
if(!out_of_order && pics > s->avctx->has_b_frames){
|
| 1370 |
h->next_output_pic = out; |
| 1371 |
if(out_idx==0 && h->delayed_pic[0] && (h->delayed_pic[0]->key_frame || h->delayed_pic[0]->mmco_reset)) { |
| 1372 |
h->next_outputed_poc = INT_MIN; |
| 1373 |
} else
|
| 1374 |
h->next_outputed_poc = out->poc; |
| 1375 |
}else{
|
| 1376 |
av_log(s->avctx, AV_LOG_DEBUG, "no picture\n");
|
| 1377 |
} |
| 1378 |
|
| 1379 |
ff_thread_finish_setup(s->avctx); |
| 1380 |
} |
| 1381 |
|
| 1382 |
static inline void backup_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int simple){ |
| 1383 |
MpegEncContext * const s = &h->s;
|
| 1384 |
uint8_t *top_border; |
| 1385 |
int top_idx = 1; |
| 1386 |
|
| 1387 |
src_y -= linesize; |
| 1388 |
src_cb -= uvlinesize; |
| 1389 |
src_cr -= uvlinesize; |
| 1390 |
|
| 1391 |
if(!simple && FRAME_MBAFF){
|
| 1392 |
if(s->mb_y&1){ |
| 1393 |
if(!MB_MBAFF){
|
| 1394 |
top_border = h->top_borders[0][s->mb_x];
|
| 1395 |
AV_COPY128(top_border, src_y + 15*linesize);
|
| 1396 |
if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
|
| 1397 |
AV_COPY64(top_border+16, src_cb+7*uvlinesize); |
| 1398 |
AV_COPY64(top_border+24, src_cr+7*uvlinesize); |
| 1399 |
} |
| 1400 |
} |
| 1401 |
}else if(MB_MBAFF){ |
| 1402 |
top_idx = 0;
|
| 1403 |
}else
|
| 1404 |
return;
|
| 1405 |
} |
| 1406 |
|
| 1407 |
top_border = h->top_borders[top_idx][s->mb_x]; |
| 1408 |
// There are two lines saved, the line above the the top macroblock of a pair,
|
| 1409 |
// and the line above the bottom macroblock
|
| 1410 |
AV_COPY128(top_border, src_y + 16*linesize);
|
| 1411 |
|
| 1412 |
if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
|
| 1413 |
AV_COPY64(top_border+16, src_cb+8*uvlinesize); |
| 1414 |
AV_COPY64(top_border+24, src_cr+8*uvlinesize); |
| 1415 |
} |
| 1416 |
} |
| 1417 |
|
| 1418 |
static inline void xchg_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int xchg, int simple){ |
| 1419 |
MpegEncContext * const s = &h->s;
|
| 1420 |
int deblock_left;
|
| 1421 |
int deblock_top;
|
| 1422 |
int top_idx = 1; |
| 1423 |
uint8_t *top_border_m1; |
| 1424 |
uint8_t *top_border; |
| 1425 |
|
| 1426 |
if(!simple && FRAME_MBAFF){
|
| 1427 |
if(s->mb_y&1){ |
| 1428 |
if(!MB_MBAFF)
|
| 1429 |
return;
|
| 1430 |
}else{
|
| 1431 |
top_idx = MB_MBAFF ? 0 : 1; |
| 1432 |
} |
| 1433 |
} |
| 1434 |
|
| 1435 |
if(h->deblocking_filter == 2) { |
| 1436 |
deblock_left = h->left_type[0];
|
| 1437 |
deblock_top = h->top_type; |
| 1438 |
} else {
|
| 1439 |
deblock_left = (s->mb_x > 0);
|
| 1440 |
deblock_top = (s->mb_y > !!MB_FIELD); |
| 1441 |
} |
| 1442 |
|
| 1443 |
src_y -= linesize + 1;
|
| 1444 |
src_cb -= uvlinesize + 1;
|
| 1445 |
src_cr -= uvlinesize + 1;
|
| 1446 |
|
| 1447 |
top_border_m1 = h->top_borders[top_idx][s->mb_x-1];
|
| 1448 |
top_border = h->top_borders[top_idx][s->mb_x]; |
| 1449 |
|
| 1450 |
#define XCHG(a,b,xchg)\
|
| 1451 |
if (xchg) AV_SWAP64(b,a);\
|
| 1452 |
else AV_COPY64(b,a);
|
| 1453 |
|
| 1454 |
if(deblock_top){
|
| 1455 |
if(deblock_left){
|
| 1456 |
XCHG(top_border_m1+8, src_y -7, 1); |
| 1457 |
} |
| 1458 |
XCHG(top_border+0, src_y +1, xchg); |
| 1459 |
XCHG(top_border+8, src_y +9, 1); |
| 1460 |
if(s->mb_x+1 < s->mb_width){ |
| 1461 |
XCHG(h->top_borders[top_idx][s->mb_x+1], src_y +17, 1); |
| 1462 |
} |
| 1463 |
} |
| 1464 |
|
| 1465 |
if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
|
| 1466 |
if(deblock_top){
|
| 1467 |
if(deblock_left){
|
| 1468 |
XCHG(top_border_m1+16, src_cb -7, 1); |
| 1469 |
XCHG(top_border_m1+24, src_cr -7, 1); |
| 1470 |
} |
| 1471 |
XCHG(top_border+16, src_cb+1, 1); |
| 1472 |
XCHG(top_border+24, src_cr+1, 1); |
| 1473 |
} |
| 1474 |
} |
| 1475 |
} |
| 1476 |
|
| 1477 |
static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){ |
| 1478 |
MpegEncContext * const s = &h->s;
|
| 1479 |
const int mb_x= s->mb_x; |
| 1480 |
const int mb_y= s->mb_y; |
| 1481 |
const int mb_xy= h->mb_xy; |
| 1482 |
const int mb_type= s->current_picture.mb_type[mb_xy]; |
| 1483 |
uint8_t *dest_y, *dest_cb, *dest_cr; |
| 1484 |
int linesize, uvlinesize /*dct_offset*/; |
| 1485 |
int i;
|
| 1486 |
int *block_offset = &h->block_offset[0]; |
| 1487 |
const int transform_bypass = !simple && (s->qscale == 0 && h->sps.transform_bypass); |
| 1488 |
/* is_h264 should always be true if SVQ3 is disabled. */
|
| 1489 |
const int is_h264 = !CONFIG_SVQ3_DECODER || simple || s->codec_id == CODEC_ID_H264; |
| 1490 |
void (*idct_add)(uint8_t *dst, DCTELEM *block, int stride); |
| 1491 |
void (*idct_dc_add)(uint8_t *dst, DCTELEM *block, int stride); |
| 1492 |
|
| 1493 |
dest_y = s->current_picture.data[0] + (mb_x + mb_y * s->linesize ) * 16; |
| 1494 |
dest_cb = s->current_picture.data[1] + (mb_x + mb_y * s->uvlinesize) * 8; |
| 1495 |
dest_cr = s->current_picture.data[2] + (mb_x + mb_y * s->uvlinesize) * 8; |
| 1496 |
|
| 1497 |
s->dsp.prefetch(dest_y + (s->mb_x&3)*4*s->linesize + 64, s->linesize, 4); |
| 1498 |
s->dsp.prefetch(dest_cb + (s->mb_x&7)*s->uvlinesize + 64, dest_cr - dest_cb, 2); |
| 1499 |
|
| 1500 |
h->list_counts[mb_xy]= h->list_count; |
| 1501 |
|
| 1502 |
if (!simple && MB_FIELD) {
|
| 1503 |
linesize = h->mb_linesize = s->linesize * 2;
|
| 1504 |
uvlinesize = h->mb_uvlinesize = s->uvlinesize * 2;
|
| 1505 |
block_offset = &h->block_offset[24];
|
| 1506 |
if(mb_y&1){ //FIXME move out of this function? |
| 1507 |
dest_y -= s->linesize*15;
|
| 1508 |
dest_cb-= s->uvlinesize*7;
|
| 1509 |
dest_cr-= s->uvlinesize*7;
|
| 1510 |
} |
| 1511 |
if(FRAME_MBAFF) {
|
| 1512 |
int list;
|
| 1513 |
for(list=0; list<h->list_count; list++){ |
| 1514 |
if(!USES_LIST(mb_type, list))
|
| 1515 |
continue;
|
| 1516 |
if(IS_16X16(mb_type)){
|
| 1517 |
int8_t *ref = &h->ref_cache[list][scan8[0]];
|
| 1518 |
fill_rectangle(ref, 4, 4, 8, (16+*ref)^(s->mb_y&1), 1); |
| 1519 |
}else{
|
| 1520 |
for(i=0; i<16; i+=4){ |
| 1521 |
int ref = h->ref_cache[list][scan8[i]];
|
| 1522 |
if(ref >= 0) |
| 1523 |
fill_rectangle(&h->ref_cache[list][scan8[i]], 2, 2, 8, (16+ref)^(s->mb_y&1), 1); |
| 1524 |
} |
| 1525 |
} |
| 1526 |
} |
| 1527 |
} |
| 1528 |
} else {
|
| 1529 |
linesize = h->mb_linesize = s->linesize; |
| 1530 |
uvlinesize = h->mb_uvlinesize = s->uvlinesize; |
| 1531 |
// dct_offset = s->linesize * 16;
|
| 1532 |
} |
| 1533 |
|
| 1534 |
if (!simple && IS_INTRA_PCM(mb_type)) {
|
| 1535 |
for (i=0; i<16; i++) { |
| 1536 |
memcpy(dest_y + i* linesize, h->mb + i*8, 16); |
| 1537 |
} |
| 1538 |
for (i=0; i<8; i++) { |
| 1539 |
memcpy(dest_cb+ i*uvlinesize, h->mb + 128 + i*4, 8); |
| 1540 |
memcpy(dest_cr+ i*uvlinesize, h->mb + 160 + i*4, 8); |
| 1541 |
} |
| 1542 |
} else {
|
| 1543 |
if(IS_INTRA(mb_type)){
|
| 1544 |
if(h->deblocking_filter)
|
| 1545 |
xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 1, simple);
|
| 1546 |
|
| 1547 |
if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
|
| 1548 |
h->hpc.pred8x8[ h->chroma_pred_mode ](dest_cb, uvlinesize); |
| 1549 |
h->hpc.pred8x8[ h->chroma_pred_mode ](dest_cr, uvlinesize); |
| 1550 |
} |
| 1551 |
|
| 1552 |
if(IS_INTRA4x4(mb_type)){
|
| 1553 |
if(simple || !s->encoding){
|
| 1554 |
if(IS_8x8DCT(mb_type)){
|
| 1555 |
if(transform_bypass){
|
| 1556 |
idct_dc_add = |
| 1557 |
idct_add = s->dsp.add_pixels8; |
| 1558 |
}else{
|
| 1559 |
idct_dc_add = h->h264dsp.h264_idct8_dc_add; |
| 1560 |
idct_add = h->h264dsp.h264_idct8_add; |
| 1561 |
} |
| 1562 |
for(i=0; i<16; i+=4){ |
| 1563 |
uint8_t * const ptr= dest_y + block_offset[i];
|
| 1564 |
const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ]; |
| 1565 |
if(transform_bypass && h->sps.profile_idc==244 && dir<=1){ |
| 1566 |
h->hpc.pred8x8l_add[dir](ptr, h->mb + i*16, linesize);
|
| 1567 |
}else{
|
| 1568 |
const int nnz = h->non_zero_count_cache[ scan8[i] ]; |
| 1569 |
h->hpc.pred8x8l[ dir ](ptr, (h->topleft_samples_available<<i)&0x8000,
|
| 1570 |
(h->topright_samples_available<<i)&0x4000, linesize);
|
| 1571 |
if(nnz){
|
| 1572 |
if(nnz == 1 && h->mb[i*16]) |
| 1573 |
idct_dc_add(ptr, h->mb + i*16, linesize);
|
| 1574 |
else
|
| 1575 |
idct_add (ptr, h->mb + i*16, linesize);
|
| 1576 |
} |
| 1577 |
} |
| 1578 |
} |
| 1579 |
}else{
|
| 1580 |
if(transform_bypass){
|
| 1581 |
idct_dc_add = |
| 1582 |
idct_add = s->dsp.add_pixels4; |
| 1583 |
}else{
|
| 1584 |
idct_dc_add = h->h264dsp.h264_idct_dc_add; |
| 1585 |
idct_add = h->h264dsp.h264_idct_add; |
| 1586 |
} |
| 1587 |
for(i=0; i<16; i++){ |
| 1588 |
uint8_t * const ptr= dest_y + block_offset[i];
|
| 1589 |
const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ]; |
| 1590 |
|
| 1591 |
if(transform_bypass && h->sps.profile_idc==244 && dir<=1){ |
| 1592 |
h->hpc.pred4x4_add[dir](ptr, h->mb + i*16, linesize);
|
| 1593 |
}else{
|
| 1594 |
uint8_t *topright; |
| 1595 |
int nnz, tr;
|
| 1596 |
if(dir == DIAG_DOWN_LEFT_PRED || dir == VERT_LEFT_PRED){
|
| 1597 |
const int topright_avail= (h->topright_samples_available<<i)&0x8000; |
| 1598 |
assert(mb_y || linesize <= block_offset[i]); |
| 1599 |
if(!topright_avail){
|
| 1600 |
tr= ptr[3 - linesize]*0x01010101; |
| 1601 |
topright= (uint8_t*) &tr; |
| 1602 |
}else
|
| 1603 |
topright= ptr + 4 - linesize;
|
| 1604 |
}else
|
| 1605 |
topright= NULL;
|
| 1606 |
|
| 1607 |
h->hpc.pred4x4[ dir ](ptr, topright, linesize); |
| 1608 |
nnz = h->non_zero_count_cache[ scan8[i] ]; |
| 1609 |
if(nnz){
|
| 1610 |
if(is_h264){
|
| 1611 |
if(nnz == 1 && h->mb[i*16]) |
| 1612 |
idct_dc_add(ptr, h->mb + i*16, linesize);
|
| 1613 |
else
|
| 1614 |
idct_add (ptr, h->mb + i*16, linesize);
|
| 1615 |
}else
|
| 1616 |
ff_svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, 0); |
| 1617 |
} |
| 1618 |
} |
| 1619 |
} |
| 1620 |
} |
| 1621 |
} |
| 1622 |
}else{
|
| 1623 |
h->hpc.pred16x16[ h->intra16x16_pred_mode ](dest_y , linesize); |
| 1624 |
if(is_h264){
|
| 1625 |
if(h->non_zero_count_cache[ scan8[LUMA_DC_BLOCK_INDEX] ]){
|
| 1626 |
if(!transform_bypass)
|
| 1627 |
h->h264dsp.h264_luma_dc_dequant_idct(h->mb, h->mb_luma_dc, h->dequant4_coeff[0][s->qscale][0]); |
| 1628 |
else{
|
| 1629 |
static const uint8_t dc_mapping[16] = { 0*16, 1*16, 4*16, 5*16, 2*16, 3*16, 6*16, 7*16, |
| 1630 |
8*16, 9*16,12*16,13*16,10*16,11*16,14*16,15*16}; |
| 1631 |
for(i = 0; i < 16; i++) |
| 1632 |
h->mb[dc_mapping[i]] = h->mb_luma_dc[i]; |
| 1633 |
} |
| 1634 |
} |
| 1635 |
}else
|
| 1636 |
ff_svq3_luma_dc_dequant_idct_c(h->mb, h->mb_luma_dc, s->qscale); |
| 1637 |
} |
| 1638 |
if(h->deblocking_filter)
|
| 1639 |
xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0, simple);
|
| 1640 |
}else if(is_h264){ |
| 1641 |
hl_motion(h, dest_y, dest_cb, dest_cr, |
| 1642 |
s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab, |
| 1643 |
s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab, |
| 1644 |
h->h264dsp.weight_h264_pixels_tab, h->h264dsp.biweight_h264_pixels_tab); |
| 1645 |
} |
| 1646 |
|
| 1647 |
|
| 1648 |
if(!IS_INTRA4x4(mb_type)){
|
| 1649 |
if(is_h264){
|
| 1650 |
if(IS_INTRA16x16(mb_type)){
|
| 1651 |
if(transform_bypass){
|
| 1652 |
if(h->sps.profile_idc==244 && (h->intra16x16_pred_mode==VERT_PRED8x8 || h->intra16x16_pred_mode==HOR_PRED8x8)){ |
| 1653 |
h->hpc.pred16x16_add[h->intra16x16_pred_mode](dest_y, block_offset, h->mb, linesize); |
| 1654 |
}else{
|
| 1655 |
for(i=0; i<16; i++){ |
| 1656 |
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]) |
| 1657 |
s->dsp.add_pixels4(dest_y + block_offset[i], h->mb + i*16, linesize);
|
| 1658 |
} |
| 1659 |
} |
| 1660 |
}else{
|
| 1661 |
h->h264dsp.h264_idct_add16intra(dest_y, block_offset, h->mb, linesize, h->non_zero_count_cache); |
| 1662 |
} |
| 1663 |
}else if(h->cbp&15){ |
| 1664 |
if(transform_bypass){
|
| 1665 |
const int di = IS_8x8DCT(mb_type) ? 4 : 1; |
| 1666 |
idct_add= IS_8x8DCT(mb_type) ? s->dsp.add_pixels8 : s->dsp.add_pixels4; |
| 1667 |
for(i=0; i<16; i+=di){ |
| 1668 |
if(h->non_zero_count_cache[ scan8[i] ]){
|
| 1669 |
idct_add(dest_y + block_offset[i], h->mb + i*16, linesize);
|
| 1670 |
} |
| 1671 |
} |
| 1672 |
}else{
|
| 1673 |
if(IS_8x8DCT(mb_type)){
|
| 1674 |
h->h264dsp.h264_idct8_add4(dest_y, block_offset, h->mb, linesize, h->non_zero_count_cache); |
| 1675 |
}else{
|
| 1676 |
h->h264dsp.h264_idct_add16(dest_y, block_offset, h->mb, linesize, h->non_zero_count_cache); |
| 1677 |
} |
| 1678 |
} |
| 1679 |
} |
| 1680 |
}else{
|
| 1681 |
for(i=0; i<16; i++){ |
| 1682 |
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){ //FIXME benchmark weird rule, & below |
| 1683 |
uint8_t * const ptr= dest_y + block_offset[i];
|
| 1684 |
ff_svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, IS_INTRA(mb_type) ? 1 : 0); |
| 1685 |
} |
| 1686 |
} |
| 1687 |
} |
| 1688 |
} |
| 1689 |
|
| 1690 |
if((simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)) && (h->cbp&0x30)){ |
| 1691 |
uint8_t *dest[2] = {dest_cb, dest_cr};
|
| 1692 |
if(transform_bypass){
|
| 1693 |
if(IS_INTRA(mb_type) && h->sps.profile_idc==244 && (h->chroma_pred_mode==VERT_PRED8x8 || h->chroma_pred_mode==HOR_PRED8x8)){ |
| 1694 |
h->hpc.pred8x8_add[h->chroma_pred_mode](dest[0], block_offset + 16, h->mb + 16*16, uvlinesize); |
| 1695 |
h->hpc.pred8x8_add[h->chroma_pred_mode](dest[1], block_offset + 20, h->mb + 20*16, uvlinesize); |
| 1696 |
}else{
|
| 1697 |
idct_add = s->dsp.add_pixels4; |
| 1698 |
for(i=16; i<16+8; i++){ |
| 1699 |
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]) |
| 1700 |
idct_add (dest[(i&4)>>2] + block_offset[i], h->mb + i*16, uvlinesize); |
| 1701 |
} |
| 1702 |
} |
| 1703 |
}else{
|
| 1704 |
if(is_h264){
|
| 1705 |
if(h->non_zero_count_cache[ scan8[CHROMA_DC_BLOCK_INDEX+0] ]) |
| 1706 |
chroma_dc_dequant_idct_c(h->mb + 16*16 , h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]); |
| 1707 |
if(h->non_zero_count_cache[ scan8[CHROMA_DC_BLOCK_INDEX+1] ]) |
| 1708 |
chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp[1]][0]); |
| 1709 |
h->h264dsp.h264_idct_add8(dest, block_offset, |
| 1710 |
h->mb, uvlinesize, |
| 1711 |
h->non_zero_count_cache); |
| 1712 |
}else{
|
| 1713 |
chroma_dc_dequant_idct_c(h->mb + 16*16 , h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]); |
| 1714 |
chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp[1]][0]); |
| 1715 |
for(i=16; i<16+8; i++){ |
| 1716 |
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){ |
| 1717 |
uint8_t * const ptr= dest[(i&4)>>2] + block_offset[i]; |
| 1718 |
ff_svq3_add_idct_c(ptr, h->mb + i*16, uvlinesize, ff_h264_chroma_qp[s->qscale + 12] - 12, 2); |
| 1719 |
} |
| 1720 |
} |
| 1721 |
} |
| 1722 |
} |
| 1723 |
} |
| 1724 |
} |
| 1725 |
if(h->cbp || IS_INTRA(mb_type))
|
| 1726 |
s->dsp.clear_blocks(h->mb); |
| 1727 |
} |
| 1728 |
|
| 1729 |
/**
|
| 1730 |
* Process a macroblock; this case avoids checks for expensive uncommon cases.
|
| 1731 |
*/
|
| 1732 |
static void hl_decode_mb_simple(H264Context *h){ |
| 1733 |
hl_decode_mb_internal(h, 1);
|
| 1734 |
} |
| 1735 |
|
| 1736 |
/**
|
| 1737 |
* Process a macroblock; this handles edge cases, such as interlacing.
|
| 1738 |
*/
|
| 1739 |
static void av_noinline hl_decode_mb_complex(H264Context *h){ |
| 1740 |
hl_decode_mb_internal(h, 0);
|
| 1741 |
} |
| 1742 |
|
| 1743 |
void ff_h264_hl_decode_mb(H264Context *h){
|
| 1744 |
MpegEncContext * const s = &h->s;
|
| 1745 |
const int mb_xy= h->mb_xy; |
| 1746 |
const int mb_type= s->current_picture.mb_type[mb_xy]; |
| 1747 |
int is_complex = CONFIG_SMALL || h->is_complex || IS_INTRA_PCM(mb_type) || s->qscale == 0; |
| 1748 |
|
| 1749 |
if (is_complex)
|
| 1750 |
hl_decode_mb_complex(h); |
| 1751 |
else hl_decode_mb_simple(h);
|
| 1752 |
} |
| 1753 |
|
| 1754 |
static int pred_weight_table(H264Context *h){ |
| 1755 |
MpegEncContext * const s = &h->s;
|
| 1756 |
int list, i;
|
| 1757 |
int luma_def, chroma_def;
|
| 1758 |
|
| 1759 |
h->use_weight= 0;
|
| 1760 |
h->use_weight_chroma= 0;
|
| 1761 |
h->luma_log2_weight_denom= get_ue_golomb(&s->gb); |
| 1762 |
if(CHROMA)
|
| 1763 |
h->chroma_log2_weight_denom= get_ue_golomb(&s->gb); |
| 1764 |
luma_def = 1<<h->luma_log2_weight_denom;
|
| 1765 |
chroma_def = 1<<h->chroma_log2_weight_denom;
|
| 1766 |
|
| 1767 |
for(list=0; list<2; list++){ |
| 1768 |
h->luma_weight_flag[list] = 0;
|
| 1769 |
h->chroma_weight_flag[list] = 0;
|
| 1770 |
for(i=0; i<h->ref_count[list]; i++){ |
| 1771 |
int luma_weight_flag, chroma_weight_flag;
|
| 1772 |
|
| 1773 |
luma_weight_flag= get_bits1(&s->gb); |
| 1774 |
if(luma_weight_flag){
|
| 1775 |
h->luma_weight[i][list][0]= get_se_golomb(&s->gb);
|
| 1776 |
h->luma_weight[i][list][1]= get_se_golomb(&s->gb);
|
| 1777 |
if( h->luma_weight[i][list][0] != luma_def |
| 1778 |
|| h->luma_weight[i][list][1] != 0) { |
| 1779 |
h->use_weight= 1;
|
| 1780 |
h->luma_weight_flag[list]= 1;
|
| 1781 |
} |
| 1782 |
}else{
|
| 1783 |
h->luma_weight[i][list][0]= luma_def;
|
| 1784 |
h->luma_weight[i][list][1]= 0; |
| 1785 |
} |
| 1786 |
|
| 1787 |
if(CHROMA){
|
| 1788 |
chroma_weight_flag= get_bits1(&s->gb); |
| 1789 |
if(chroma_weight_flag){
|
| 1790 |
int j;
|
| 1791 |
for(j=0; j<2; j++){ |
| 1792 |
h->chroma_weight[i][list][j][0]= get_se_golomb(&s->gb);
|
| 1793 |
h->chroma_weight[i][list][j][1]= get_se_golomb(&s->gb);
|
| 1794 |
if( h->chroma_weight[i][list][j][0] != chroma_def |
| 1795 |
|| h->chroma_weight[i][list][j][1] != 0) { |
| 1796 |
h->use_weight_chroma= 1;
|
| 1797 |
h->chroma_weight_flag[list]= 1;
|
| 1798 |
} |
| 1799 |
} |
| 1800 |
}else{
|
| 1801 |
int j;
|
| 1802 |
for(j=0; j<2; j++){ |
| 1803 |
h->chroma_weight[i][list][j][0]= chroma_def;
|
| 1804 |
h->chroma_weight[i][list][j][1]= 0; |
| 1805 |
} |
| 1806 |
} |
| 1807 |
} |
| 1808 |
} |
| 1809 |
if(h->slice_type_nos != FF_B_TYPE) break; |
| 1810 |
} |
| 1811 |
h->use_weight= h->use_weight || h->use_weight_chroma; |
| 1812 |
return 0; |
| 1813 |
} |
| 1814 |
|
| 1815 |
/**
|
| 1816 |
* Initialize implicit_weight table.
|
| 1817 |
* @param field 0/1 initialize the weight for interlaced MBAFF
|
| 1818 |
* -1 initializes the rest
|
| 1819 |
*/
|
| 1820 |
static void implicit_weight_table(H264Context *h, int field){ |
| 1821 |
MpegEncContext * const s = &h->s;
|
| 1822 |
int ref0, ref1, i, cur_poc, ref_start, ref_count0, ref_count1;
|
| 1823 |
|
| 1824 |
for (i = 0; i < 2; i++) { |
| 1825 |
h->luma_weight_flag[i] = 0;
|
| 1826 |
h->chroma_weight_flag[i] = 0;
|
| 1827 |
} |
| 1828 |
|
| 1829 |
if(field < 0){ |
| 1830 |
cur_poc = s->current_picture_ptr->poc; |
| 1831 |
if( h->ref_count[0] == 1 && h->ref_count[1] == 1 && !FRAME_MBAFF |
| 1832 |
&& h->ref_list[0][0].poc + h->ref_list[1][0].poc == 2*cur_poc){ |
| 1833 |
h->use_weight= 0;
|
| 1834 |
h->use_weight_chroma= 0;
|
| 1835 |
return;
|
| 1836 |
} |
| 1837 |
ref_start= 0;
|
| 1838 |
ref_count0= h->ref_count[0];
|
| 1839 |
ref_count1= h->ref_count[1];
|
| 1840 |
}else{
|
| 1841 |
cur_poc = s->current_picture_ptr->field_poc[field]; |
| 1842 |
ref_start= 16;
|
| 1843 |
ref_count0= 16+2*h->ref_count[0]; |
| 1844 |
ref_count1= 16+2*h->ref_count[1]; |
| 1845 |
} |
| 1846 |
|
| 1847 |
h->use_weight= 2;
|
| 1848 |
h->use_weight_chroma= 2;
|
| 1849 |
h->luma_log2_weight_denom= 5;
|
| 1850 |
h->chroma_log2_weight_denom= 5;
|
| 1851 |
|
| 1852 |
for(ref0=ref_start; ref0 < ref_count0; ref0++){
|
| 1853 |
int poc0 = h->ref_list[0][ref0].poc; |
| 1854 |
for(ref1=ref_start; ref1 < ref_count1; ref1++){
|
| 1855 |
int poc1 = h->ref_list[1][ref1].poc; |
| 1856 |
int td = av_clip(poc1 - poc0, -128, 127); |
| 1857 |
int w= 32; |
| 1858 |
if(td){
|
| 1859 |
int tb = av_clip(cur_poc - poc0, -128, 127); |
| 1860 |
int tx = (16384 + (FFABS(td) >> 1)) / td; |
| 1861 |
int dist_scale_factor = (tb*tx + 32) >> 8; |
| 1862 |
if(dist_scale_factor >= -64 && dist_scale_factor <= 128) |
| 1863 |
w = 64 - dist_scale_factor;
|
| 1864 |
} |
| 1865 |
if(field<0){ |
| 1866 |
h->implicit_weight[ref0][ref1][0]=
|
| 1867 |
h->implicit_weight[ref0][ref1][1]= w;
|
| 1868 |
}else{
|
| 1869 |
h->implicit_weight[ref0][ref1][field]=w; |
| 1870 |
} |
| 1871 |
} |
| 1872 |
} |
| 1873 |
} |
| 1874 |
|
| 1875 |
/**
|
| 1876 |
* instantaneous decoder refresh.
|
| 1877 |
*/
|
| 1878 |
static void idr(H264Context *h){ |
| 1879 |
ff_h264_remove_all_refs(h); |
| 1880 |
h->prev_frame_num= 0;
|
| 1881 |
h->prev_frame_num_offset= 0;
|
| 1882 |
h->prev_poc_msb= |
| 1883 |
h->prev_poc_lsb= 0;
|
| 1884 |
} |
| 1885 |
|
| 1886 |
/* forget old pics after a seek */
|
| 1887 |
static void flush_dpb(AVCodecContext *avctx){ |
| 1888 |
H264Context *h= avctx->priv_data; |
| 1889 |
int i;
|
| 1890 |
for(i=0; i<MAX_DELAYED_PIC_COUNT; i++) { |
| 1891 |
if(h->delayed_pic[i])
|
| 1892 |
h->delayed_pic[i]->reference= 0;
|
| 1893 |
h->delayed_pic[i]= NULL;
|
| 1894 |
} |
| 1895 |
h->outputed_poc=h->next_outputed_poc= INT_MIN; |
| 1896 |
h->prev_interlaced_frame = 1;
|
| 1897 |
idr(h); |
| 1898 |
if(h->s.current_picture_ptr)
|
| 1899 |
h->s.current_picture_ptr->reference= 0;
|
| 1900 |
h->s.first_field= 0;
|
| 1901 |
ff_h264_reset_sei(h); |
| 1902 |
ff_mpeg_flush(avctx); |
| 1903 |
} |
| 1904 |
|
| 1905 |
static int init_poc(H264Context *h){ |
| 1906 |
MpegEncContext * const s = &h->s;
|
| 1907 |
const int max_frame_num= 1<<h->sps.log2_max_frame_num; |
| 1908 |
int field_poc[2]; |
| 1909 |
Picture *cur = s->current_picture_ptr; |
| 1910 |
|
| 1911 |
h->frame_num_offset= h->prev_frame_num_offset; |
| 1912 |
if(h->frame_num < h->prev_frame_num)
|
| 1913 |
h->frame_num_offset += max_frame_num; |
| 1914 |
|
| 1915 |
if(h->sps.poc_type==0){ |
| 1916 |
const int max_poc_lsb= 1<<h->sps.log2_max_poc_lsb; |
| 1917 |
|
| 1918 |
if (h->poc_lsb < h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb >= max_poc_lsb/2) |
| 1919 |
h->poc_msb = h->prev_poc_msb + max_poc_lsb; |
| 1920 |
else if(h->poc_lsb > h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb < -max_poc_lsb/2) |
| 1921 |
h->poc_msb = h->prev_poc_msb - max_poc_lsb; |
| 1922 |
else
|
| 1923 |
h->poc_msb = h->prev_poc_msb; |
| 1924 |
//printf("poc: %d %d\n", h->poc_msb, h->poc_lsb);
|
| 1925 |
field_poc[0] =
|
| 1926 |
field_poc[1] = h->poc_msb + h->poc_lsb;
|
| 1927 |
if(s->picture_structure == PICT_FRAME)
|
| 1928 |
field_poc[1] += h->delta_poc_bottom;
|
| 1929 |
}else if(h->sps.poc_type==1){ |
| 1930 |
int abs_frame_num, expected_delta_per_poc_cycle, expectedpoc;
|
| 1931 |
int i;
|
| 1932 |
|
| 1933 |
if(h->sps.poc_cycle_length != 0) |
| 1934 |
abs_frame_num = h->frame_num_offset + h->frame_num; |
| 1935 |
else
|
| 1936 |
abs_frame_num = 0;
|
| 1937 |
|
| 1938 |
if(h->nal_ref_idc==0 && abs_frame_num > 0) |
| 1939 |
abs_frame_num--; |
| 1940 |
|
| 1941 |
expected_delta_per_poc_cycle = 0;
|
| 1942 |
for(i=0; i < h->sps.poc_cycle_length; i++) |
| 1943 |
expected_delta_per_poc_cycle += h->sps.offset_for_ref_frame[ i ]; //FIXME integrate during sps parse
|
| 1944 |
|
| 1945 |
if(abs_frame_num > 0){ |
| 1946 |
int poc_cycle_cnt = (abs_frame_num - 1) / h->sps.poc_cycle_length; |
| 1947 |
int frame_num_in_poc_cycle = (abs_frame_num - 1) % h->sps.poc_cycle_length; |
| 1948 |
|
| 1949 |
expectedpoc = poc_cycle_cnt * expected_delta_per_poc_cycle; |
| 1950 |
for(i = 0; i <= frame_num_in_poc_cycle; i++) |
| 1951 |
expectedpoc = expectedpoc + h->sps.offset_for_ref_frame[ i ]; |
| 1952 |
} else
|
| 1953 |
expectedpoc = 0;
|
| 1954 |
|
| 1955 |
if(h->nal_ref_idc == 0) |
| 1956 |
expectedpoc = expectedpoc + h->sps.offset_for_non_ref_pic; |
| 1957 |
|
| 1958 |
field_poc[0] = expectedpoc + h->delta_poc[0]; |
| 1959 |
field_poc[1] = field_poc[0] + h->sps.offset_for_top_to_bottom_field; |
| 1960 |
|
| 1961 |
if(s->picture_structure == PICT_FRAME)
|
| 1962 |
field_poc[1] += h->delta_poc[1]; |
| 1963 |
}else{
|
| 1964 |
int poc= 2*(h->frame_num_offset + h->frame_num); |
| 1965 |
|
| 1966 |
if(!h->nal_ref_idc)
|
| 1967 |
poc--; |
| 1968 |
|
| 1969 |
field_poc[0]= poc;
|
| 1970 |
field_poc[1]= poc;
|
| 1971 |
} |
| 1972 |
|
| 1973 |
if(s->picture_structure != PICT_BOTTOM_FIELD)
|
| 1974 |
s->current_picture_ptr->field_poc[0]= field_poc[0]; |
| 1975 |
if(s->picture_structure != PICT_TOP_FIELD)
|
| 1976 |
s->current_picture_ptr->field_poc[1]= field_poc[1]; |
| 1977 |
cur->poc= FFMIN(cur->field_poc[0], cur->field_poc[1]); |
| 1978 |
|
| 1979 |
return 0; |
| 1980 |
} |
| 1981 |
|
| 1982 |
|
| 1983 |
/**
|
| 1984 |
* initialize scan tables
|
| 1985 |
*/
|
| 1986 |
static void init_scan_tables(H264Context *h){ |
| 1987 |
int i;
|
| 1988 |
for(i=0; i<16; i++){ |
| 1989 |
#define T(x) (x>>2) | ((x<<2) & 0xF) |
| 1990 |
h->zigzag_scan[i] = T(zigzag_scan[i]); |
| 1991 |
h-> field_scan[i] = T( field_scan[i]); |
| 1992 |
#undef T
|
| 1993 |
} |
| 1994 |
for(i=0; i<64; i++){ |
| 1995 |
#define T(x) (x>>3) | ((x&7)<<3) |
| 1996 |
h->zigzag_scan8x8[i] = T(ff_zigzag_direct[i]); |
| 1997 |
h->zigzag_scan8x8_cavlc[i] = T(zigzag_scan8x8_cavlc[i]); |
| 1998 |
h->field_scan8x8[i] = T(field_scan8x8[i]); |
| 1999 |
h->field_scan8x8_cavlc[i] = T(field_scan8x8_cavlc[i]); |
| 2000 |
#undef T
|
| 2001 |
} |
| 2002 |
if(h->sps.transform_bypass){ //FIXME same ugly |
| 2003 |
h->zigzag_scan_q0 = zigzag_scan; |
| 2004 |
h->zigzag_scan8x8_q0 = ff_zigzag_direct; |
| 2005 |
h->zigzag_scan8x8_cavlc_q0 = zigzag_scan8x8_cavlc; |
| 2006 |
h->field_scan_q0 = field_scan; |
| 2007 |
h->field_scan8x8_q0 = field_scan8x8; |
| 2008 |
h->field_scan8x8_cavlc_q0 = field_scan8x8_cavlc; |
| 2009 |
}else{
|
| 2010 |
h->zigzag_scan_q0 = h->zigzag_scan; |
| 2011 |
h->zigzag_scan8x8_q0 = h->zigzag_scan8x8; |
| 2012 |
h->zigzag_scan8x8_cavlc_q0 = h->zigzag_scan8x8_cavlc; |
| 2013 |
h->field_scan_q0 = h->field_scan; |
| 2014 |
h->field_scan8x8_q0 = h->field_scan8x8; |
| 2015 |
h->field_scan8x8_cavlc_q0 = h->field_scan8x8_cavlc; |
| 2016 |
} |
| 2017 |
} |
| 2018 |
|
| 2019 |
static void field_end(H264Context *h, int in_setup){ |
| 2020 |
MpegEncContext * const s = &h->s;
|
| 2021 |
AVCodecContext * const avctx= s->avctx;
|
| 2022 |
s->mb_y= 0;
|
| 2023 |
|
| 2024 |
if (!in_setup && !s->dropable)
|
| 2025 |
ff_thread_report_progress((AVFrame*)s->current_picture_ptr, (16*s->mb_height >> FIELD_PICTURE) - 1, |
| 2026 |
s->picture_structure==PICT_BOTTOM_FIELD); |
| 2027 |
|
| 2028 |
if (CONFIG_H264_VDPAU_DECODER && s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
|
| 2029 |
ff_vdpau_h264_set_reference_frames(s); |
| 2030 |
|
| 2031 |
if(in_setup || !(avctx->active_thread_type&FF_THREAD_FRAME)){
|
| 2032 |
if(!s->dropable) {
|
| 2033 |
ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index); |
| 2034 |
h->prev_poc_msb= h->poc_msb; |
| 2035 |
h->prev_poc_lsb= h->poc_lsb; |
| 2036 |
} |
| 2037 |
h->prev_frame_num_offset= h->frame_num_offset; |
| 2038 |
h->prev_frame_num= h->frame_num; |
| 2039 |
h->outputed_poc = h->next_outputed_poc; |
| 2040 |
} |
| 2041 |
|
| 2042 |
if (avctx->hwaccel) {
|
| 2043 |
if (avctx->hwaccel->end_frame(avctx) < 0) |
| 2044 |
av_log(avctx, AV_LOG_ERROR, "hardware accelerator failed to decode picture\n");
|
| 2045 |
} |
| 2046 |
|
| 2047 |
if (CONFIG_H264_VDPAU_DECODER && s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
|
| 2048 |
ff_vdpau_h264_picture_complete(s); |
| 2049 |
|
| 2050 |
/*
|
| 2051 |
* FIXME: Error handling code does not seem to support interlaced
|
| 2052 |
* when slices span multiple rows
|
| 2053 |
* The ff_er_add_slice calls don't work right for bottom
|
| 2054 |
* fields; they cause massive erroneous error concealing
|
| 2055 |
* Error marking covers both fields (top and bottom).
|
| 2056 |
* This causes a mismatched s->error_count
|
| 2057 |
* and a bad error table. Further, the error count goes to
|
| 2058 |
* INT_MAX when called for bottom field, because mb_y is
|
| 2059 |
* past end by one (callers fault) and resync_mb_y != 0
|
| 2060 |
* causes problems for the first MB line, too.
|
| 2061 |
*/
|
| 2062 |
if (!FIELD_PICTURE)
|
| 2063 |
ff_er_frame_end(s); |
| 2064 |
|
| 2065 |
MPV_frame_end(s); |
| 2066 |
|
| 2067 |
h->current_slice=0;
|
| 2068 |
} |
| 2069 |
|
| 2070 |
/**
|
| 2071 |
* Replicate H264 "master" context to thread contexts.
|
| 2072 |
*/
|
| 2073 |
static void clone_slice(H264Context *dst, H264Context *src) |
| 2074 |
{
|
| 2075 |
memcpy(dst->block_offset, src->block_offset, sizeof(dst->block_offset));
|
| 2076 |
dst->s.current_picture_ptr = src->s.current_picture_ptr; |
| 2077 |
dst->s.current_picture = src->s.current_picture; |
| 2078 |
dst->s.linesize = src->s.linesize; |
| 2079 |
dst->s.uvlinesize = src->s.uvlinesize; |
| 2080 |
dst->s.first_field = src->s.first_field; |
| 2081 |
|
| 2082 |
dst->prev_poc_msb = src->prev_poc_msb; |
| 2083 |
dst->prev_poc_lsb = src->prev_poc_lsb; |
| 2084 |
dst->prev_frame_num_offset = src->prev_frame_num_offset; |
| 2085 |
dst->prev_frame_num = src->prev_frame_num; |
| 2086 |
dst->short_ref_count = src->short_ref_count; |
| 2087 |
|
| 2088 |
memcpy(dst->short_ref, src->short_ref, sizeof(dst->short_ref));
|
| 2089 |
memcpy(dst->long_ref, src->long_ref, sizeof(dst->long_ref));
|
| 2090 |
memcpy(dst->default_ref_list, src->default_ref_list, sizeof(dst->default_ref_list));
|
| 2091 |
memcpy(dst->ref_list, src->ref_list, sizeof(dst->ref_list));
|
| 2092 |
|
| 2093 |
memcpy(dst->dequant4_coeff, src->dequant4_coeff, sizeof(src->dequant4_coeff));
|
| 2094 |
memcpy(dst->dequant8_coeff, src->dequant8_coeff, sizeof(src->dequant8_coeff));
|
| 2095 |
} |
| 2096 |
|
| 2097 |
/**
|
| 2098 |
* computes profile from profile_idc and constraint_set?_flags
|
| 2099 |
*
|
| 2100 |
* @param sps SPS
|
| 2101 |
*
|
| 2102 |
* @return profile as defined by FF_PROFILE_H264_*
|
| 2103 |
*/
|
| 2104 |
int ff_h264_get_profile(SPS *sps)
|
| 2105 |
{
|
| 2106 |
int profile = sps->profile_idc;
|
| 2107 |
|
| 2108 |
switch(sps->profile_idc) {
|
| 2109 |
case FF_PROFILE_H264_BASELINE:
|
| 2110 |
// constraint_set1_flag set to 1
|
| 2111 |
profile |= (sps->constraint_set_flags & 1<<1) ? FF_PROFILE_H264_CONSTRAINED : 0; |
| 2112 |
break;
|
| 2113 |
case FF_PROFILE_H264_HIGH_10:
|
| 2114 |
case FF_PROFILE_H264_HIGH_422:
|
| 2115 |
case FF_PROFILE_H264_HIGH_444_PREDICTIVE:
|
| 2116 |
// constraint_set3_flag set to 1
|
| 2117 |
profile |= (sps->constraint_set_flags & 1<<3) ? FF_PROFILE_H264_INTRA : 0; |
| 2118 |
break;
|
| 2119 |
} |
| 2120 |
|
| 2121 |
return profile;
|
| 2122 |
} |
| 2123 |
|
| 2124 |
/**
|
| 2125 |
* decodes a slice header.
|
| 2126 |
* This will also call MPV_common_init() and frame_start() as needed.
|
| 2127 |
*
|
| 2128 |
* @param h h264context
|
| 2129 |
* @param h0 h264 master context (differs from 'h' when doing sliced based parallel decoding)
|
| 2130 |
*
|
| 2131 |
* @return 0 if okay, <0 if an error occurred, 1 if decoding must not be multithreaded
|
| 2132 |
*/
|
| 2133 |
static int decode_slice_header(H264Context *h, H264Context *h0){ |
| 2134 |
MpegEncContext * const s = &h->s;
|
| 2135 |
MpegEncContext * const s0 = &h0->s;
|
| 2136 |
unsigned int first_mb_in_slice; |
| 2137 |
unsigned int pps_id; |
| 2138 |
int num_ref_idx_active_override_flag;
|
| 2139 |
unsigned int slice_type, tmp, i, j; |
| 2140 |
int default_ref_list_done = 0; |
| 2141 |
int last_pic_structure;
|
| 2142 |
|
| 2143 |
s->dropable= h->nal_ref_idc == 0;
|
| 2144 |
|
| 2145 |
if((s->avctx->flags2 & CODEC_FLAG2_FAST) && !h->nal_ref_idc){
|
| 2146 |
s->me.qpel_put= s->dsp.put_2tap_qpel_pixels_tab; |
| 2147 |
s->me.qpel_avg= s->dsp.avg_2tap_qpel_pixels_tab; |
| 2148 |
}else{
|
| 2149 |
s->me.qpel_put= s->dsp.put_h264_qpel_pixels_tab; |
| 2150 |
s->me.qpel_avg= s->dsp.avg_h264_qpel_pixels_tab; |
| 2151 |
} |
| 2152 |
|
| 2153 |
first_mb_in_slice= get_ue_golomb(&s->gb); |
| 2154 |
|
| 2155 |
if(first_mb_in_slice == 0){ //FIXME better field boundary detection |
| 2156 |
if(h0->current_slice && FIELD_PICTURE){
|
| 2157 |
field_end(h, 1);
|
| 2158 |
} |
| 2159 |
|
| 2160 |
h0->current_slice = 0;
|
| 2161 |
if (!s0->first_field)
|
| 2162 |
s->current_picture_ptr= NULL;
|
| 2163 |
} |
| 2164 |
|
| 2165 |
slice_type= get_ue_golomb_31(&s->gb); |
| 2166 |
if(slice_type > 9){ |
| 2167 |
av_log(h->s.avctx, AV_LOG_ERROR, "slice type too large (%d) at %d %d\n", h->slice_type, s->mb_x, s->mb_y);
|
| 2168 |
return -1; |
| 2169 |
} |
| 2170 |
if(slice_type > 4){ |
| 2171 |
slice_type -= 5;
|
| 2172 |
h->slice_type_fixed=1;
|
| 2173 |
}else
|
| 2174 |
h->slice_type_fixed=0;
|
| 2175 |
|
| 2176 |
slice_type= golomb_to_pict_type[ slice_type ]; |
| 2177 |
if (slice_type == FF_I_TYPE
|
| 2178 |
|| (h0->current_slice != 0 && slice_type == h0->last_slice_type) ) {
|
| 2179 |
default_ref_list_done = 1;
|
| 2180 |
} |
| 2181 |
h->slice_type= slice_type; |
| 2182 |
h->slice_type_nos= slice_type & 3;
|
| 2183 |
|
| 2184 |
s->pict_type= h->slice_type; // to make a few old functions happy, it's wrong though
|
| 2185 |
|
| 2186 |
pps_id= get_ue_golomb(&s->gb); |
| 2187 |
if(pps_id>=MAX_PPS_COUNT){
|
| 2188 |
av_log(h->s.avctx, AV_LOG_ERROR, "pps_id out of range\n");
|
| 2189 |
return -1; |
| 2190 |
} |
| 2191 |
if(!h0->pps_buffers[pps_id]) {
|
| 2192 |
av_log(h->s.avctx, AV_LOG_ERROR, "non-existing PPS %u referenced\n", pps_id);
|
| 2193 |
return -1; |
| 2194 |
} |
| 2195 |
h->pps= *h0->pps_buffers[pps_id]; |
| 2196 |
|
| 2197 |
if(!h0->sps_buffers[h->pps.sps_id]) {
|
| 2198 |
av_log(h->s.avctx, AV_LOG_ERROR, "non-existing SPS %u referenced\n", h->pps.sps_id);
|
| 2199 |
return -1; |
| 2200 |
} |
| 2201 |
h->sps = *h0->sps_buffers[h->pps.sps_id]; |
| 2202 |
|
| 2203 |
s->avctx->profile = ff_h264_get_profile(&h->sps); |
| 2204 |
s->avctx->level = h->sps.level_idc; |
| 2205 |
s->avctx->refs = h->sps.ref_frame_count; |
| 2206 |
|
| 2207 |
if(h == h0 && h->dequant_coeff_pps != pps_id){
|
| 2208 |
h->dequant_coeff_pps = pps_id; |
| 2209 |
init_dequant_tables(h); |
| 2210 |
} |
| 2211 |
|
| 2212 |
s->mb_width= h->sps.mb_width; |
| 2213 |
s->mb_height= h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag);
|
| 2214 |
|
| 2215 |
h->b_stride= s->mb_width*4;
|
| 2216 |
|
| 2217 |
s->width = 16*s->mb_width - 2*FFMIN(h->sps.crop_right, 7); |
| 2218 |
if(h->sps.frame_mbs_only_flag)
|
| 2219 |
s->height= 16*s->mb_height - 2*FFMIN(h->sps.crop_bottom, 7); |
| 2220 |
else
|
| 2221 |
s->height= 16*s->mb_height - 4*FFMIN(h->sps.crop_bottom, 7); |
| 2222 |
|
| 2223 |
if (s->context_initialized
|
| 2224 |
&& ( s->width != s->avctx->width || s->height != s->avctx->height |
| 2225 |
|| av_cmp_q(h->sps.sar, s->avctx->sample_aspect_ratio))) {
|
| 2226 |
if(h != h0) {
|
| 2227 |
av_log_missing_feature(s->avctx, "Width/height changing with threads is", 0); |
| 2228 |
return -1; // width / height changed during parallelized decoding |
| 2229 |
} |
| 2230 |
free_tables(h, 0);
|
| 2231 |
flush_dpb(s->avctx); |
| 2232 |
MPV_common_end(s); |
| 2233 |
} |
| 2234 |
if (!s->context_initialized) {
|
| 2235 |
if(h != h0)
|
| 2236 |
return -1; // we cant (re-)initialize context during parallel decoding |
| 2237 |
|
| 2238 |
avcodec_set_dimensions(s->avctx, s->width, s->height); |
| 2239 |
s->avctx->sample_aspect_ratio= h->sps.sar; |
| 2240 |
av_assert0(s->avctx->sample_aspect_ratio.den); |
| 2241 |
|
| 2242 |
if(h->sps.video_signal_type_present_flag){
|
| 2243 |
s->avctx->color_range = h->sps.full_range ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG; |
| 2244 |
if(h->sps.colour_description_present_flag){
|
| 2245 |
s->avctx->color_primaries = h->sps.color_primaries; |
| 2246 |
s->avctx->color_trc = h->sps.color_trc; |
| 2247 |
s->avctx->colorspace = h->sps.colorspace; |
| 2248 |
} |
| 2249 |
} |
| 2250 |
|
| 2251 |
if(h->sps.timing_info_present_flag){
|
| 2252 |
int64_t den= h->sps.time_scale; |
| 2253 |
if(h->x264_build < 44U) |
| 2254 |
den *= 2;
|
| 2255 |
av_reduce(&s->avctx->time_base.num, &s->avctx->time_base.den, |
| 2256 |
h->sps.num_units_in_tick, den, 1<<30); |
| 2257 |
} |
| 2258 |
s->avctx->pix_fmt = s->avctx->get_format(s->avctx, |
| 2259 |
s->avctx->codec->pix_fmts ? |
| 2260 |
s->avctx->codec->pix_fmts : |
| 2261 |
s->avctx->color_range == AVCOL_RANGE_JPEG ? |
| 2262 |
hwaccel_pixfmt_list_h264_jpeg_420 : |
| 2263 |
ff_hwaccel_pixfmt_list_420); |
| 2264 |
s->avctx->hwaccel = ff_find_hwaccel(s->avctx->codec->id, s->avctx->pix_fmt); |
| 2265 |
|
| 2266 |
if (MPV_common_init(s) < 0) |
| 2267 |
return -1; |
| 2268 |
s->first_field = 0;
|
| 2269 |
h->prev_interlaced_frame = 1;
|
| 2270 |
|
| 2271 |
init_scan_tables(h); |
| 2272 |
ff_h264_alloc_tables(h); |
| 2273 |
|
| 2274 |
if (!HAVE_THREADS || !(s->avctx->active_thread_type&FF_THREAD_SLICE)) {
|
| 2275 |
if (context_init(h) < 0) |
| 2276 |
return -1; |
| 2277 |
} else {
|
| 2278 |
for(i = 1; i < s->avctx->thread_count; i++) { |
| 2279 |
H264Context *c; |
| 2280 |
c = h->thread_context[i] = av_malloc(sizeof(H264Context));
|
| 2281 |
memcpy(c, h->s.thread_context[i], sizeof(MpegEncContext));
|
| 2282 |
memset(&c->s + 1, 0, sizeof(H264Context) - sizeof(MpegEncContext)); |
| 2283 |
c->h264dsp = h->h264dsp; |
| 2284 |
c->sps = h->sps; |
| 2285 |
c->pps = h->pps; |
| 2286 |
init_scan_tables(c); |
| 2287 |
clone_tables(c, h, i); |
| 2288 |
} |
| 2289 |
|
| 2290 |
for(i = 0; i < s->avctx->thread_count; i++) |
| 2291 |
if(context_init(h->thread_context[i]) < 0) |
| 2292 |
return -1; |
| 2293 |
} |
| 2294 |
} |
| 2295 |
|
| 2296 |
h->frame_num= get_bits(&s->gb, h->sps.log2_max_frame_num); |
| 2297 |
|
| 2298 |
h->mb_mbaff = 0;
|
| 2299 |
h->mb_aff_frame = 0;
|
| 2300 |
last_pic_structure = s0->picture_structure; |
| 2301 |
if(h->sps.frame_mbs_only_flag){
|
| 2302 |
s->picture_structure= PICT_FRAME; |
| 2303 |
}else{
|
| 2304 |
if(get_bits1(&s->gb)) { //field_pic_flag |
| 2305 |
s->picture_structure= PICT_TOP_FIELD + get_bits1(&s->gb); //bottom_field_flag
|
| 2306 |
} else {
|
| 2307 |
s->picture_structure= PICT_FRAME; |
| 2308 |
h->mb_aff_frame = h->sps.mb_aff; |
| 2309 |
} |
| 2310 |
} |
| 2311 |
h->mb_field_decoding_flag= s->picture_structure != PICT_FRAME; |
| 2312 |
|
| 2313 |
if(h0->current_slice == 0){ |
| 2314 |
if(h->frame_num != h->prev_frame_num &&
|
| 2315 |
(h->prev_frame_num+1)%(1<<h->sps.log2_max_frame_num) < (h->frame_num - h->sps.ref_frame_count)) |
| 2316 |
h->prev_frame_num = h->frame_num - h->sps.ref_frame_count - 1;
|
| 2317 |
|
| 2318 |
while(h->frame_num != h->prev_frame_num &&
|
| 2319 |
h->frame_num != (h->prev_frame_num+1)%(1<<h->sps.log2_max_frame_num)){ |
| 2320 |
Picture *prev = h->short_ref_count ? h->short_ref[0] : NULL; |
| 2321 |
av_log(h->s.avctx, AV_LOG_DEBUG, "Frame num gap %d %d\n", h->frame_num, h->prev_frame_num);
|
| 2322 |
if (ff_h264_frame_start(h) < 0) |
| 2323 |
return -1; |
| 2324 |
h->prev_frame_num++; |
| 2325 |
h->prev_frame_num %= 1<<h->sps.log2_max_frame_num;
|
| 2326 |
s->current_picture_ptr->frame_num= h->prev_frame_num; |
| 2327 |
ff_thread_report_progress((AVFrame*)s->current_picture_ptr, INT_MAX, 0);
|
| 2328 |
ff_thread_report_progress((AVFrame*)s->current_picture_ptr, INT_MAX, 1);
|
| 2329 |
ff_generate_sliding_window_mmcos(h); |
| 2330 |
ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index); |
| 2331 |
/* Error concealment: if a ref is missing, copy the previous ref in its place.
|
| 2332 |
* FIXME: avoiding a memcpy would be nice, but ref handling makes many assumptions
|
| 2333 |
* about there being no actual duplicates.
|
| 2334 |
* FIXME: this doesn't copy padding for out-of-frame motion vectors. Given we're
|
| 2335 |
* concealing a lost frame, this probably isn't noticable by comparison, but it should
|
| 2336 |
* be fixed. */
|
| 2337 |
if (h->short_ref_count) {
|
| 2338 |
if (prev) {
|
| 2339 |
av_image_copy(h->short_ref[0]->data, h->short_ref[0]->linesize, |
| 2340 |
(const uint8_t**)prev->data, prev->linesize,
|
| 2341 |
s->avctx->pix_fmt, s->mb_width*16, s->mb_height*16); |
| 2342 |
h->short_ref[0]->poc = prev->poc+2; |
| 2343 |
} |
| 2344 |
h->short_ref[0]->frame_num = h->prev_frame_num;
|
| 2345 |
} |
| 2346 |
} |
| 2347 |
|
| 2348 |
/* See if we have a decoded first field looking for a pair... */
|
| 2349 |
if (s0->first_field) {
|
| 2350 |
assert(s0->current_picture_ptr); |
| 2351 |
assert(s0->current_picture_ptr->data[0]);
|
| 2352 |
assert(s0->current_picture_ptr->reference != DELAYED_PIC_REF); |
| 2353 |
|
| 2354 |
/* figure out if we have a complementary field pair */
|
| 2355 |
if (!FIELD_PICTURE || s->picture_structure == last_pic_structure) {
|
| 2356 |
/*
|
| 2357 |
* Previous field is unmatched. Don't display it, but let it
|
| 2358 |
* remain for reference if marked as such.
|
| 2359 |
*/
|
| 2360 |
s0->current_picture_ptr = NULL;
|
| 2361 |
s0->first_field = FIELD_PICTURE; |
| 2362 |
|
| 2363 |
} else {
|
| 2364 |
if (h->nal_ref_idc &&
|
| 2365 |
s0->current_picture_ptr->reference && |
| 2366 |
s0->current_picture_ptr->frame_num != h->frame_num) {
|
| 2367 |
/*
|
| 2368 |
* This and previous field were reference, but had
|
| 2369 |
* different frame_nums. Consider this field first in
|
| 2370 |
* pair. Throw away previous field except for reference
|
| 2371 |
* purposes.
|
| 2372 |
*/
|
| 2373 |
s0->first_field = 1;
|
| 2374 |
s0->current_picture_ptr = NULL;
|
| 2375 |
|
| 2376 |
} else {
|
| 2377 |
/* Second field in complementary pair */
|
| 2378 |
s0->first_field = 0;
|
| 2379 |
} |
| 2380 |
} |
| 2381 |
|
| 2382 |
} else {
|
| 2383 |
/* Frame or first field in a potentially complementary pair */
|
| 2384 |
assert(!s0->current_picture_ptr); |
| 2385 |
s0->first_field = FIELD_PICTURE; |
| 2386 |
} |
| 2387 |
|
| 2388 |
if((!FIELD_PICTURE || s0->first_field) && ff_h264_frame_start(h) < 0) { |
| 2389 |
s0->first_field = 0;
|
| 2390 |
return -1; |
| 2391 |
} |
| 2392 |
} |
| 2393 |
if(h != h0)
|
| 2394 |
clone_slice(h, h0); |
| 2395 |
|
| 2396 |
s->current_picture_ptr->frame_num= h->frame_num; //FIXME frame_num cleanup
|
| 2397 |
|
| 2398 |
assert(s->mb_num == s->mb_width * s->mb_height); |
| 2399 |
if(first_mb_in_slice << FIELD_OR_MBAFF_PICTURE >= s->mb_num ||
|
| 2400 |
first_mb_in_slice >= s->mb_num){
|
| 2401 |
av_log(h->s.avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\n");
|
| 2402 |
return -1; |
| 2403 |
} |
| 2404 |
s->resync_mb_x = s->mb_x = first_mb_in_slice % s->mb_width; |
| 2405 |
s->resync_mb_y = s->mb_y = (first_mb_in_slice / s->mb_width) << FIELD_OR_MBAFF_PICTURE; |
| 2406 |
if (s->picture_structure == PICT_BOTTOM_FIELD)
|
| 2407 |
s->resync_mb_y = s->mb_y = s->mb_y + 1;
|
| 2408 |
assert(s->mb_y < s->mb_height); |
| 2409 |
|
| 2410 |
if(s->picture_structure==PICT_FRAME){
|
| 2411 |
h->curr_pic_num= h->frame_num; |
| 2412 |
h->max_pic_num= 1<< h->sps.log2_max_frame_num;
|
| 2413 |
}else{
|
| 2414 |
h->curr_pic_num= 2*h->frame_num + 1; |
| 2415 |
h->max_pic_num= 1<<(h->sps.log2_max_frame_num + 1); |
| 2416 |
} |
| 2417 |
|
| 2418 |
if(h->nal_unit_type == NAL_IDR_SLICE){
|
| 2419 |
get_ue_golomb(&s->gb); /* idr_pic_id */
|
| 2420 |
} |
| 2421 |
|
| 2422 |
if(h->sps.poc_type==0){ |
| 2423 |
h->poc_lsb= get_bits(&s->gb, h->sps.log2_max_poc_lsb); |
| 2424 |
|
| 2425 |
if(h->pps.pic_order_present==1 && s->picture_structure==PICT_FRAME){ |
| 2426 |
h->delta_poc_bottom= get_se_golomb(&s->gb); |
| 2427 |
} |
| 2428 |
} |
| 2429 |
|
| 2430 |
if(h->sps.poc_type==1 && !h->sps.delta_pic_order_always_zero_flag){ |
| 2431 |
h->delta_poc[0]= get_se_golomb(&s->gb);
|
| 2432 |
|
| 2433 |
if(h->pps.pic_order_present==1 && s->picture_structure==PICT_FRAME) |
| 2434 |
h->delta_poc[1]= get_se_golomb(&s->gb);
|
| 2435 |
} |
| 2436 |
|
| 2437 |
init_poc(h); |
| 2438 |
|
| 2439 |
if(h->pps.redundant_pic_cnt_present){
|
| 2440 |
h->redundant_pic_count= get_ue_golomb(&s->gb); |
| 2441 |
} |
| 2442 |
|
| 2443 |
//set defaults, might be overridden a few lines later
|
| 2444 |
h->ref_count[0]= h->pps.ref_count[0]; |
| 2445 |
h->ref_count[1]= h->pps.ref_count[1]; |
| 2446 |
|
| 2447 |
if(h->slice_type_nos != FF_I_TYPE){
|
| 2448 |
if(h->slice_type_nos == FF_B_TYPE){
|
| 2449 |
h->direct_spatial_mv_pred= get_bits1(&s->gb); |
| 2450 |
} |
| 2451 |
num_ref_idx_active_override_flag= get_bits1(&s->gb); |
| 2452 |
|
| 2453 |
if(num_ref_idx_active_override_flag){
|
| 2454 |
h->ref_count[0]= get_ue_golomb(&s->gb) + 1; |
| 2455 |
if(h->slice_type_nos==FF_B_TYPE)
|
| 2456 |
h->ref_count[1]= get_ue_golomb(&s->gb) + 1; |
| 2457 |
|
| 2458 |
if(h->ref_count[0]-1 > 32-1 || h->ref_count[1]-1 > 32-1){ |
| 2459 |
av_log(h->s.avctx, AV_LOG_ERROR, "reference overflow\n");
|
| 2460 |
h->ref_count[0]= h->ref_count[1]= 1; |
| 2461 |
return -1; |
| 2462 |
} |
| 2463 |
} |
| 2464 |
if(h->slice_type_nos == FF_B_TYPE)
|
| 2465 |
h->list_count= 2;
|
| 2466 |
else
|
| 2467 |
h->list_count= 1;
|
| 2468 |
}else
|
| 2469 |
h->list_count= 0;
|
| 2470 |
|
| 2471 |
if(!default_ref_list_done){
|
| 2472 |
ff_h264_fill_default_ref_list(h); |
| 2473 |
} |
| 2474 |
|
| 2475 |
if(h->slice_type_nos!=FF_I_TYPE && ff_h264_decode_ref_pic_list_reordering(h) < 0) |
| 2476 |
return -1; |
| 2477 |
|
| 2478 |
//FIXME mt gives valgrind warnings and crashes if this is uncommented
|
| 2479 |
/*
|
| 2480 |
|
| 2481 |
if(h->slice_type_nos!=FF_I_TYPE){
|
| 2482 |
s->last_picture_ptr= &h->ref_list[0][0];
|
| 2483 |
ff_copy_picture(&s->last_picture, s->last_picture_ptr);
|
| 2484 |
}
|
| 2485 |
if(h->slice_type_nos==FF_B_TYPE){
|
| 2486 |
s->next_picture_ptr= &h->ref_list[1][0];
|
| 2487 |
ff_copy_picture(&s->next_picture, s->next_picture_ptr);
|
| 2488 |
}
|
| 2489 |
|
| 2490 |
*/
|
| 2491 |
|
| 2492 |
if( (h->pps.weighted_pred && h->slice_type_nos == FF_P_TYPE )
|
| 2493 |
|| (h->pps.weighted_bipred_idc==1 && h->slice_type_nos== FF_B_TYPE ) )
|
| 2494 |
pred_weight_table(h); |
| 2495 |
else if(h->pps.weighted_bipred_idc==2 && h->slice_type_nos== FF_B_TYPE){ |
| 2496 |
implicit_weight_table(h, -1);
|
| 2497 |
}else {
|
| 2498 |
h->use_weight = 0;
|
| 2499 |
for (i = 0; i < 2; i++) { |
| 2500 |
h->luma_weight_flag[i] = 0;
|
| 2501 |
h->chroma_weight_flag[i] = 0;
|
| 2502 |
} |
| 2503 |
} |
| 2504 |
|
| 2505 |
if(h->nal_ref_idc)
|
| 2506 |
ff_h264_decode_ref_pic_marking(h0, &s->gb); |
| 2507 |
|
| 2508 |
if(FRAME_MBAFF){
|
| 2509 |
ff_h264_fill_mbaff_ref_list(h); |
| 2510 |
|
| 2511 |
if(h->pps.weighted_bipred_idc==2 && h->slice_type_nos== FF_B_TYPE){ |
| 2512 |
implicit_weight_table(h, 0);
|
| 2513 |
implicit_weight_table(h, 1);
|
| 2514 |
} |
| 2515 |
} |
| 2516 |
|
| 2517 |
if(h->slice_type_nos==FF_B_TYPE && !h->direct_spatial_mv_pred)
|
| 2518 |
ff_h264_direct_dist_scale_factor(h); |
| 2519 |
ff_h264_direct_ref_list_init(h); |
| 2520 |
|
| 2521 |
if( h->slice_type_nos != FF_I_TYPE && h->pps.cabac ){
|
| 2522 |
tmp = get_ue_golomb_31(&s->gb); |
| 2523 |
if(tmp > 2){ |
| 2524 |
av_log(s->avctx, AV_LOG_ERROR, "cabac_init_idc overflow\n");
|
| 2525 |
return -1; |
| 2526 |
} |
| 2527 |
h->cabac_init_idc= tmp; |
| 2528 |
} |
| 2529 |
|
| 2530 |
h->last_qscale_diff = 0;
|
| 2531 |
tmp = h->pps.init_qp + get_se_golomb(&s->gb); |
| 2532 |
if(tmp>51){ |
| 2533 |
av_log(s->avctx, AV_LOG_ERROR, "QP %u out of range\n", tmp);
|
| 2534 |
return -1; |
| 2535 |
} |
| 2536 |
s->qscale= tmp; |
| 2537 |
h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale); |
| 2538 |
h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale); |
| 2539 |
//FIXME qscale / qp ... stuff
|
| 2540 |
if(h->slice_type == FF_SP_TYPE){
|
| 2541 |
get_bits1(&s->gb); /* sp_for_switch_flag */
|
| 2542 |
} |
| 2543 |
if(h->slice_type==FF_SP_TYPE || h->slice_type == FF_SI_TYPE){
|
| 2544 |
get_se_golomb(&s->gb); /* slice_qs_delta */
|
| 2545 |
} |
| 2546 |
|
| 2547 |
h->deblocking_filter = 1;
|
| 2548 |
h->slice_alpha_c0_offset = 52;
|
| 2549 |
h->slice_beta_offset = 52;
|
| 2550 |
if( h->pps.deblocking_filter_parameters_present ) {
|
| 2551 |
tmp= get_ue_golomb_31(&s->gb); |
| 2552 |
if(tmp > 2){ |
| 2553 |
av_log(s->avctx, AV_LOG_ERROR, "deblocking_filter_idc %u out of range\n", tmp);
|
| 2554 |
return -1; |
| 2555 |
} |
| 2556 |
h->deblocking_filter= tmp; |
| 2557 |
if(h->deblocking_filter < 2) |
| 2558 |
h->deblocking_filter^= 1; // 1<->0 |
| 2559 |
|
| 2560 |
if( h->deblocking_filter ) {
|
| 2561 |
h->slice_alpha_c0_offset += get_se_golomb(&s->gb) << 1;
|
| 2562 |
h->slice_beta_offset += get_se_golomb(&s->gb) << 1;
|
| 2563 |
if( h->slice_alpha_c0_offset > 104U |
| 2564 |
|| h->slice_beta_offset > 104U){
|
| 2565 |
av_log(s->avctx, AV_LOG_ERROR, "deblocking filter parameters %d %d out of range\n", h->slice_alpha_c0_offset, h->slice_beta_offset);
|
| 2566 |
return -1; |
| 2567 |
} |
| 2568 |
} |
| 2569 |
} |
| 2570 |
|
| 2571 |
if( s->avctx->skip_loop_filter >= AVDISCARD_ALL
|
| 2572 |
||(s->avctx->skip_loop_filter >= AVDISCARD_NONKEY && h->slice_type_nos != FF_I_TYPE) |
| 2573 |
||(s->avctx->skip_loop_filter >= AVDISCARD_BIDIR && h->slice_type_nos == FF_B_TYPE) |
| 2574 |
||(s->avctx->skip_loop_filter >= AVDISCARD_NONREF && h->nal_ref_idc == 0))
|
| 2575 |
h->deblocking_filter= 0;
|
| 2576 |
|
| 2577 |
if(h->deblocking_filter == 1 && h0->max_contexts > 1) { |
| 2578 |
if(s->avctx->flags2 & CODEC_FLAG2_FAST) {
|
| 2579 |
/* Cheat slightly for speed:
|
| 2580 |
Do not bother to deblock across slices. */
|
| 2581 |
h->deblocking_filter = 2;
|
| 2582 |
} else {
|
| 2583 |
h0->max_contexts = 1;
|
| 2584 |
if(!h0->single_decode_warning) {
|
| 2585 |
av_log(s->avctx, AV_LOG_INFO, "Cannot parallelize deblocking type 1, decoding such frames in sequential order\n");
|
| 2586 |
h0->single_decode_warning = 1;
|
| 2587 |
} |
| 2588 |
if(h != h0)
|
| 2589 |
return 1; // deblocking switched inside frame |
| 2590 |
} |
| 2591 |
} |
| 2592 |
h->qp_thresh= 15 + 52 - FFMIN(h->slice_alpha_c0_offset, h->slice_beta_offset) - FFMAX3(0, h->pps.chroma_qp_index_offset[0], h->pps.chroma_qp_index_offset[1]); |
| 2593 |
|
| 2594 |
#if 0 //FMO
|
| 2595 |
if( h->pps.num_slice_groups > 1 && h->pps.mb_slice_group_map_type >= 3 && h->pps.mb_slice_group_map_type <= 5)
|
| 2596 |
slice_group_change_cycle= get_bits(&s->gb, ?);
|
| 2597 |
#endif
|
| 2598 |
|
| 2599 |
h0->last_slice_type = slice_type; |
| 2600 |
h->slice_num = ++h0->current_slice; |
| 2601 |
if(h->slice_num >= MAX_SLICES){
|
| 2602 |
av_log(s->avctx, AV_LOG_ERROR, "Too many slices, increase MAX_SLICES and recompile\n");
|
| 2603 |
} |
| 2604 |
|
| 2605 |
for(j=0; j<2; j++){ |
| 2606 |
int id_list[16]; |
| 2607 |
int *ref2frm= h->ref2frm[h->slice_num&(MAX_SLICES-1)][j]; |
| 2608 |
for(i=0; i<16; i++){ |
| 2609 |
id_list[i]= 60;
|
| 2610 |
if(h->ref_list[j][i].data[0]){ |
| 2611 |
int k;
|
| 2612 |
uint8_t *base= h->ref_list[j][i].base[0];
|
| 2613 |
for(k=0; k<h->short_ref_count; k++) |
| 2614 |
if(h->short_ref[k]->base[0] == base){ |
| 2615 |
id_list[i]= k; |
| 2616 |
break;
|
| 2617 |
} |
| 2618 |
for(k=0; k<h->long_ref_count; k++) |
| 2619 |
if(h->long_ref[k] && h->long_ref[k]->base[0] == base){ |
| 2620 |
id_list[i]= h->short_ref_count + k; |
| 2621 |
break;
|
| 2622 |
} |
| 2623 |
} |
| 2624 |
} |
| 2625 |
|
| 2626 |
ref2frm[0]=
|
| 2627 |
ref2frm[1]= -1; |
| 2628 |
for(i=0; i<16; i++) |
| 2629 |
ref2frm[i+2]= 4*id_list[i] |
| 2630 |
+(h->ref_list[j][i].reference&3);
|
| 2631 |
ref2frm[18+0]= |
| 2632 |
ref2frm[18+1]= -1; |
| 2633 |
for(i=16; i<48; i++) |
| 2634 |
ref2frm[i+4]= 4*id_list[(i-16)>>1] |
| 2635 |
+(h->ref_list[j][i].reference&3);
|
| 2636 |
} |
| 2637 |
|
| 2638 |
//FIXME: fix draw_edges+PAFF+frame threads
|
| 2639 |
h->emu_edge_width= (s->flags&CODEC_FLAG_EMU_EDGE || (!h->sps.frame_mbs_only_flag && s->avctx->active_thread_type&FF_THREAD_FRAME)) ? 0 : 16; |
| 2640 |
h->emu_edge_height= (FRAME_MBAFF || FIELD_PICTURE) ? 0 : h->emu_edge_width;
|
| 2641 |
|
| 2642 |
if(s->avctx->debug&FF_DEBUG_PICT_INFO){
|
| 2643 |
av_log(h->s.avctx, AV_LOG_DEBUG, "slice:%d %s mb:%d %c%s%s pps:%u frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s %s\n",
|
| 2644 |
h->slice_num, |
| 2645 |
(s->picture_structure==PICT_FRAME ? "F" : s->picture_structure==PICT_TOP_FIELD ? "T" : "B"), |
| 2646 |
first_mb_in_slice, |
| 2647 |
av_get_pict_type_char(h->slice_type), h->slice_type_fixed ? " fix" : "", h->nal_unit_type == NAL_IDR_SLICE ? " IDR" : "", |
| 2648 |
pps_id, h->frame_num, |
| 2649 |
s->current_picture_ptr->field_poc[0], s->current_picture_ptr->field_poc[1], |
| 2650 |
h->ref_count[0], h->ref_count[1], |
| 2651 |
s->qscale, |
| 2652 |
h->deblocking_filter, h->slice_alpha_c0_offset/2-26, h->slice_beta_offset/2-26, |
| 2653 |
h->use_weight, |
| 2654 |
h->use_weight==1 && h->use_weight_chroma ? "c" : "", |
| 2655 |
h->slice_type == FF_B_TYPE ? (h->direct_spatial_mv_pred ? "SPAT" : "TEMP") : "" |
| 2656 |
); |
| 2657 |
} |
| 2658 |
|
| 2659 |
return 0; |
| 2660 |
} |
| 2661 |
|
| 2662 |
int ff_h264_get_slice_type(const H264Context *h) |
| 2663 |
{
|
| 2664 |
switch (h->slice_type) {
|
| 2665 |
case FF_P_TYPE: return 0; |
| 2666 |
case FF_B_TYPE: return 1; |
| 2667 |
case FF_I_TYPE: return 2; |
| 2668 |
case FF_SP_TYPE: return 3; |
| 2669 |
case FF_SI_TYPE: return 4; |
| 2670 |
default: return -1; |
| 2671 |
} |
| 2672 |
} |
| 2673 |
|
| 2674 |
/**
|
| 2675 |
*
|
| 2676 |
* @return non zero if the loop filter can be skiped
|
| 2677 |
*/
|
| 2678 |
static int fill_filter_caches(H264Context *h, int mb_type){ |
| 2679 |
MpegEncContext * const s = &h->s;
|
| 2680 |
const int mb_xy= h->mb_xy; |
| 2681 |
int top_xy, left_xy[2]; |
| 2682 |
int top_type, left_type[2]; |
| 2683 |
|
| 2684 |
top_xy = mb_xy - (s->mb_stride << MB_FIELD); |
| 2685 |
|
| 2686 |
//FIXME deblocking could skip the intra and nnz parts.
|
| 2687 |
|
| 2688 |
/* Wow, what a mess, why didn't they simplify the interlacing & intra
|
| 2689 |
* stuff, I can't imagine that these complex rules are worth it. */
|
| 2690 |
|
| 2691 |
left_xy[1] = left_xy[0] = mb_xy-1; |
| 2692 |
if(FRAME_MBAFF){
|
| 2693 |
const int left_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[mb_xy-1]); |
| 2694 |
const int curr_mb_field_flag = IS_INTERLACED(mb_type); |
| 2695 |
if(s->mb_y&1){ |
| 2696 |
if (left_mb_field_flag != curr_mb_field_flag) {
|
| 2697 |
left_xy[0] -= s->mb_stride;
|
| 2698 |
} |
| 2699 |
}else{
|
| 2700 |
if(curr_mb_field_flag){
|
| 2701 |
top_xy += s->mb_stride & (((s->current_picture.mb_type[top_xy ]>>7)&1)-1); |
| 2702 |
} |
| 2703 |
if (left_mb_field_flag != curr_mb_field_flag) {
|
| 2704 |
left_xy[1] += s->mb_stride;
|
| 2705 |
} |
| 2706 |
} |
| 2707 |
} |
| 2708 |
|
| 2709 |
h->top_mb_xy = top_xy; |
| 2710 |
h->left_mb_xy[0] = left_xy[0]; |
| 2711 |
h->left_mb_xy[1] = left_xy[1]; |
| 2712 |
{
|
| 2713 |
//for sufficiently low qp, filtering wouldn't do anything
|
| 2714 |
//this is a conservative estimate: could also check beta_offset and more accurate chroma_qp
|
| 2715 |
int qp_thresh = h->qp_thresh; //FIXME strictly we should store qp_thresh for each mb of a slice |
| 2716 |
int qp = s->current_picture.qscale_table[mb_xy];
|
| 2717 |
if(qp <= qp_thresh
|
| 2718 |
&& (left_xy[0]<0 || ((qp + s->current_picture.qscale_table[left_xy[0]] + 1)>>1) <= qp_thresh) |
| 2719 |
&& (top_xy < 0 || ((qp + s->current_picture.qscale_table[top_xy ] + 1)>>1) <= qp_thresh)){ |
| 2720 |
if(!FRAME_MBAFF)
|
| 2721 |
return 1; |
| 2722 |
if( (left_xy[0]< 0 || ((qp + s->current_picture.qscale_table[left_xy[1] ] + 1)>>1) <= qp_thresh) |
| 2723 |
&& (top_xy < s->mb_stride || ((qp + s->current_picture.qscale_table[top_xy -s->mb_stride] + 1)>>1) <= qp_thresh)) |
| 2724 |
return 1; |
| 2725 |
} |
| 2726 |
} |
| 2727 |
|
| 2728 |
top_type = s->current_picture.mb_type[top_xy] ; |
| 2729 |
left_type[0] = s->current_picture.mb_type[left_xy[0]]; |
| 2730 |
left_type[1] = s->current_picture.mb_type[left_xy[1]]; |
| 2731 |
if(h->deblocking_filter == 2){ |
| 2732 |
if(h->slice_table[top_xy ] != h->slice_num) top_type= 0; |
| 2733 |
if(h->slice_table[left_xy[0] ] != h->slice_num) left_type[0]= left_type[1]= 0; |
| 2734 |
}else{
|
| 2735 |
if(h->slice_table[top_xy ] == 0xFFFF) top_type= 0; |
| 2736 |
if(h->slice_table[left_xy[0] ] == 0xFFFF) left_type[0]= left_type[1] =0; |
| 2737 |
} |
| 2738 |
h->top_type = top_type ; |
| 2739 |
h->left_type[0]= left_type[0]; |
| 2740 |
h->left_type[1]= left_type[1]; |
| 2741 |
|
| 2742 |
if(IS_INTRA(mb_type))
|
| 2743 |
return 0; |
| 2744 |
|
| 2745 |
AV_COPY64(&h->non_zero_count_cache[0+8*1], &h->non_zero_count[mb_xy][ 0]); |
| 2746 |
AV_COPY64(&h->non_zero_count_cache[0+8*2], &h->non_zero_count[mb_xy][ 8]); |
| 2747 |
AV_COPY32(&h->non_zero_count_cache[0+8*5], &h->non_zero_count[mb_xy][16]); |
| 2748 |
AV_COPY32(&h->non_zero_count_cache[4+8*3], &h->non_zero_count[mb_xy][20]); |
| 2749 |
AV_COPY64(&h->non_zero_count_cache[0+8*4], &h->non_zero_count[mb_xy][24]); |
| 2750 |
|
| 2751 |
h->cbp= h->cbp_table[mb_xy]; |
| 2752 |
|
| 2753 |
{
|
| 2754 |
int list;
|
| 2755 |
for(list=0; list<h->list_count; list++){ |
| 2756 |
int8_t *ref; |
| 2757 |
int y, b_stride;
|
| 2758 |
int16_t (*mv_dst)[2];
|
| 2759 |
int16_t (*mv_src)[2];
|
| 2760 |
|
| 2761 |
if(!USES_LIST(mb_type, list)){
|
| 2762 |
fill_rectangle( h->mv_cache[list][scan8[0]], 4, 4, 8, pack16to32(0,0), 4); |
| 2763 |
AV_WN32A(&h->ref_cache[list][scan8[ 0]], ((LIST_NOT_USED)&0xFF)*0x01010101u); |
| 2764 |
AV_WN32A(&h->ref_cache[list][scan8[ 2]], ((LIST_NOT_USED)&0xFF)*0x01010101u); |
| 2765 |
AV_WN32A(&h->ref_cache[list][scan8[ 8]], ((LIST_NOT_USED)&0xFF)*0x01010101u); |
| 2766 |
AV_WN32A(&h->ref_cache[list][scan8[10]], ((LIST_NOT_USED)&0xFF)*0x01010101u); |
| 2767 |
continue;
|
| 2768 |
} |
| 2769 |
|
| 2770 |
ref = &s->current_picture.ref_index[list][4*mb_xy];
|
| 2771 |
{
|
| 2772 |
int (*ref2frm)[64] = h->ref2frm[ h->slice_num&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2); |
| 2773 |
AV_WN32A(&h->ref_cache[list][scan8[ 0]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101); |
| 2774 |
AV_WN32A(&h->ref_cache[list][scan8[ 2]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101); |
| 2775 |
ref += 2;
|
| 2776 |
AV_WN32A(&h->ref_cache[list][scan8[ 8]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101); |
| 2777 |
AV_WN32A(&h->ref_cache[list][scan8[10]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101); |
| 2778 |
} |
| 2779 |
|
| 2780 |
b_stride = h->b_stride; |
| 2781 |
mv_dst = &h->mv_cache[list][scan8[0]];
|
| 2782 |
mv_src = &s->current_picture.motion_val[list][4*s->mb_x + 4*s->mb_y*b_stride]; |
| 2783 |
for(y=0; y<4; y++){ |
| 2784 |
AV_COPY128(mv_dst + 8*y, mv_src + y*b_stride);
|
| 2785 |
} |
| 2786 |
|
| 2787 |
} |
| 2788 |
} |
| 2789 |
|
| 2790 |
|
| 2791 |
/*
|
| 2792 |
0 . T T. T T T T
|
| 2793 |
1 L . .L . . . .
|
| 2794 |
2 L . .L . . . .
|
| 2795 |
3 . T TL . . . .
|
| 2796 |
4 L . .L . . . .
|
| 2797 |
5 L . .. . . . .
|
| 2798 |
*/
|
| 2799 |
//FIXME constraint_intra_pred & partitioning & nnz (let us hope this is just a typo in the spec)
|
| 2800 |
if(top_type){
|
| 2801 |
AV_COPY32(&h->non_zero_count_cache[4+8*0], &h->non_zero_count[top_xy][4+3*8]); |
| 2802 |
} |
| 2803 |
|
| 2804 |
if(left_type[0]){ |
| 2805 |
h->non_zero_count_cache[3+8*1]= h->non_zero_count[left_xy[0]][7+0*8]; |
| 2806 |
h->non_zero_count_cache[3+8*2]= h->non_zero_count[left_xy[0]][7+1*8]; |
| 2807 |
h->non_zero_count_cache[3+8*3]= h->non_zero_count[left_xy[0]][7+2*8]; |
| 2808 |
h->non_zero_count_cache[3+8*4]= h->non_zero_count[left_xy[0]][7+3*8]; |
| 2809 |
} |
| 2810 |
|
| 2811 |
// CAVLC 8x8dct requires NNZ values for residual decoding that differ from what the loop filter needs
|
| 2812 |
if(!CABAC && h->pps.transform_8x8_mode){
|
| 2813 |
if(IS_8x8DCT(top_type)){
|
| 2814 |
h->non_zero_count_cache[4+8*0]= |
| 2815 |
h->non_zero_count_cache[5+8*0]= h->cbp_table[top_xy] & 4; |
| 2816 |
h->non_zero_count_cache[6+8*0]= |
| 2817 |
h->non_zero_count_cache[7+8*0]= h->cbp_table[top_xy] & 8; |
| 2818 |
} |
| 2819 |
if(IS_8x8DCT(left_type[0])){ |
| 2820 |
h->non_zero_count_cache[3+8*1]= |
| 2821 |
h->non_zero_count_cache[3+8*2]= h->cbp_table[left_xy[0]]&2; //FIXME check MBAFF |
| 2822 |
} |
| 2823 |
if(IS_8x8DCT(left_type[1])){ |
| 2824 |
h->non_zero_count_cache[3+8*3]= |
| 2825 |
h->non_zero_count_cache[3+8*4]= h->cbp_table[left_xy[1]]&8; //FIXME check MBAFF |
| 2826 |
} |
| 2827 |
|
| 2828 |
if(IS_8x8DCT(mb_type)){
|
| 2829 |
h->non_zero_count_cache[scan8[0 ]]= h->non_zero_count_cache[scan8[1 ]]= |
| 2830 |
h->non_zero_count_cache[scan8[2 ]]= h->non_zero_count_cache[scan8[3 ]]= h->cbp & 1; |
| 2831 |
|
| 2832 |
h->non_zero_count_cache[scan8[0+ 4]]= h->non_zero_count_cache[scan8[1+ 4]]= |
| 2833 |
h->non_zero_count_cache[scan8[2+ 4]]= h->non_zero_count_cache[scan8[3+ 4]]= h->cbp & 2; |
| 2834 |
|
| 2835 |
h->non_zero_count_cache[scan8[0+ 8]]= h->non_zero_count_cache[scan8[1+ 8]]= |
| 2836 |
h->non_zero_count_cache[scan8[2+ 8]]= h->non_zero_count_cache[scan8[3+ 8]]= h->cbp & 4; |
| 2837 |
|
| 2838 |
h->non_zero_count_cache[scan8[0+12]]= h->non_zero_count_cache[scan8[1+12]]= |
| 2839 |
h->non_zero_count_cache[scan8[2+12]]= h->non_zero_count_cache[scan8[3+12]]= h->cbp & 8; |
| 2840 |
} |
| 2841 |
} |
| 2842 |
|
| 2843 |
if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){
|
| 2844 |
int list;
|
| 2845 |
for(list=0; list<h->list_count; list++){ |
| 2846 |
if(USES_LIST(top_type, list)){
|
| 2847 |
const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride; |
| 2848 |
const int b8_xy= 4*top_xy + 2; |
| 2849 |
int (*ref2frm)[64] = h->ref2frm[ h->slice_table[top_xy]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2); |
| 2850 |
AV_COPY128(h->mv_cache[list][scan8[0] + 0 - 1*8], s->current_picture.motion_val[list][b_xy + 0]); |
| 2851 |
h->ref_cache[list][scan8[0] + 0 - 1*8]= |
| 2852 |
h->ref_cache[list][scan8[0] + 1 - 1*8]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 0]]; |
| 2853 |
h->ref_cache[list][scan8[0] + 2 - 1*8]= |
| 2854 |
h->ref_cache[list][scan8[0] + 3 - 1*8]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 1]]; |
| 2855 |
}else{
|
| 2856 |
AV_ZERO128(h->mv_cache[list][scan8[0] + 0 - 1*8]); |
| 2857 |
AV_WN32A(&h->ref_cache[list][scan8[0] + 0 - 1*8], ((LIST_NOT_USED)&0xFF)*0x01010101u); |
| 2858 |
} |
| 2859 |
|
| 2860 |
if(!IS_INTERLACED(mb_type^left_type[0])){ |
| 2861 |
if(USES_LIST(left_type[0], list)){ |
| 2862 |
const int b_xy= h->mb2b_xy[left_xy[0]] + 3; |
| 2863 |
const int b8_xy= 4*left_xy[0] + 1; |
| 2864 |
int (*ref2frm)[64] = h->ref2frm[ h->slice_table[left_xy[0]]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2); |
| 2865 |
AV_COPY32(h->mv_cache[list][scan8[0] - 1 + 0 ], s->current_picture.motion_val[list][b_xy + h->b_stride*0]); |
| 2866 |
AV_COPY32(h->mv_cache[list][scan8[0] - 1 + 8 ], s->current_picture.motion_val[list][b_xy + h->b_stride*1]); |
| 2867 |
AV_COPY32(h->mv_cache[list][scan8[0] - 1 +16 ], s->current_picture.motion_val[list][b_xy + h->b_stride*2]); |
| 2868 |
AV_COPY32(h->mv_cache[list][scan8[0] - 1 +24 ], s->current_picture.motion_val[list][b_xy + h->b_stride*3]); |
| 2869 |
h->ref_cache[list][scan8[0] - 1 + 0 ]= |
| 2870 |
h->ref_cache[list][scan8[0] - 1 + 8 ]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 2*0]]; |
| 2871 |
h->ref_cache[list][scan8[0] - 1 +16 ]= |
| 2872 |
h->ref_cache[list][scan8[0] - 1 +24 ]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 2*1]]; |
| 2873 |
}else{
|
| 2874 |
AV_ZERO32(h->mv_cache [list][scan8[0] - 1 + 0 ]); |
| 2875 |
AV_ZERO32(h->mv_cache [list][scan8[0] - 1 + 8 ]); |
| 2876 |
AV_ZERO32(h->mv_cache [list][scan8[0] - 1 +16 ]); |
| 2877 |
AV_ZERO32(h->mv_cache [list][scan8[0] - 1 +24 ]); |
| 2878 |
h->ref_cache[list][scan8[0] - 1 + 0 ]= |
| 2879 |
h->ref_cache[list][scan8[0] - 1 + 8 ]= |
| 2880 |
h->ref_cache[list][scan8[0] - 1 + 16 ]= |
| 2881 |
h->ref_cache[list][scan8[0] - 1 + 24 ]= LIST_NOT_USED; |
| 2882 |
} |
| 2883 |
} |
| 2884 |
} |
| 2885 |
} |
| 2886 |
|
| 2887 |
return 0; |
| 2888 |
} |
| 2889 |
|
| 2890 |
static void loop_filter(H264Context *h){ |
| 2891 |
MpegEncContext * const s = &h->s;
|
| 2892 |
uint8_t *dest_y, *dest_cb, *dest_cr; |
| 2893 |
int linesize, uvlinesize, mb_x, mb_y;
|
| 2894 |
const int end_mb_y= s->mb_y + FRAME_MBAFF; |
| 2895 |
const int old_slice_type= h->slice_type; |
| 2896 |
|
| 2897 |
if(h->deblocking_filter) {
|
| 2898 |
for(mb_x= 0; mb_x<s->mb_width; mb_x++){ |
| 2899 |
for(mb_y=end_mb_y - FRAME_MBAFF; mb_y<= end_mb_y; mb_y++){
|
| 2900 |
int mb_xy, mb_type;
|
| 2901 |
mb_xy = h->mb_xy = mb_x + mb_y*s->mb_stride; |
| 2902 |
h->slice_num= h->slice_table[mb_xy]; |
| 2903 |
mb_type= s->current_picture.mb_type[mb_xy]; |
| 2904 |
h->list_count= h->list_counts[mb_xy]; |
| 2905 |
|
| 2906 |
if(FRAME_MBAFF)
|
| 2907 |
h->mb_mbaff = h->mb_field_decoding_flag = !!IS_INTERLACED(mb_type); |
| 2908 |
|
| 2909 |
s->mb_x= mb_x; |
| 2910 |
s->mb_y= mb_y; |
| 2911 |
dest_y = s->current_picture.data[0] + (mb_x + mb_y * s->linesize ) * 16; |
| 2912 |
dest_cb = s->current_picture.data[1] + (mb_x + mb_y * s->uvlinesize) * 8; |
| 2913 |
dest_cr = s->current_picture.data[2] + (mb_x + mb_y * s->uvlinesize) * 8; |
| 2914 |
//FIXME simplify above
|
| 2915 |
|
| 2916 |
if (MB_FIELD) {
|
| 2917 |
linesize = h->mb_linesize = s->linesize * 2;
|
| 2918 |
uvlinesize = h->mb_uvlinesize = s->uvlinesize * 2;
|
| 2919 |
if(mb_y&1){ //FIXME move out of this function? |
| 2920 |
dest_y -= s->linesize*15;
|
| 2921 |
dest_cb-= s->uvlinesize*7;
|
| 2922 |
dest_cr-= s->uvlinesize*7;
|
| 2923 |
} |
| 2924 |
} else {
|
| 2925 |
linesize = h->mb_linesize = s->linesize; |
| 2926 |
uvlinesize = h->mb_uvlinesize = s->uvlinesize; |
| 2927 |
} |
| 2928 |
backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0);
|
| 2929 |
if(fill_filter_caches(h, mb_type))
|
| 2930 |
continue;
|
| 2931 |
h->chroma_qp[0] = get_chroma_qp(h, 0, s->current_picture.qscale_table[mb_xy]); |
| 2932 |
h->chroma_qp[1] = get_chroma_qp(h, 1, s->current_picture.qscale_table[mb_xy]); |
| 2933 |
|
| 2934 |
if (FRAME_MBAFF) {
|
| 2935 |
ff_h264_filter_mb (h, mb_x, mb_y, dest_y, dest_cb, dest_cr, linesize, uvlinesize); |
| 2936 |
} else {
|
| 2937 |
ff_h264_filter_mb_fast(h, mb_x, mb_y, dest_y, dest_cb, dest_cr, linesize, uvlinesize); |
| 2938 |
} |
| 2939 |
} |
| 2940 |
} |
| 2941 |
} |
| 2942 |
h->slice_type= old_slice_type; |
| 2943 |
s->mb_x= 0;
|
| 2944 |
s->mb_y= end_mb_y - FRAME_MBAFF; |
| 2945 |
h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale); |
| 2946 |
h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale); |
| 2947 |
} |
| 2948 |
|
| 2949 |
static void predict_field_decoding_flag(H264Context *h){ |
| 2950 |
MpegEncContext * const s = &h->s;
|
| 2951 |
const int mb_xy= s->mb_x + s->mb_y*s->mb_stride; |
| 2952 |
int mb_type = (h->slice_table[mb_xy-1] == h->slice_num) |
| 2953 |
? s->current_picture.mb_type[mb_xy-1]
|
| 2954 |
: (h->slice_table[mb_xy-s->mb_stride] == h->slice_num) |
| 2955 |
? s->current_picture.mb_type[mb_xy-s->mb_stride] |
| 2956 |
: 0;
|
| 2957 |
h->mb_mbaff = h->mb_field_decoding_flag = IS_INTERLACED(mb_type) ? 1 : 0; |
| 2958 |
} |
| 2959 |
|
| 2960 |
/**
|
| 2961 |
* Draw edges and report progress for the last MB row.
|
| 2962 |
*/
|
| 2963 |
static void decode_finish_row(H264Context *h){ |
| 2964 |
MpegEncContext * const s = &h->s;
|
| 2965 |
int top = 16*(s->mb_y >> FIELD_PICTURE); |
| 2966 |
int height = 16 << FRAME_MBAFF; |
| 2967 |
int deblock_border = (16 + 4) << FRAME_MBAFF; |
| 2968 |
int pic_height = 16*s->mb_height >> FIELD_PICTURE; |
| 2969 |
|
| 2970 |
if (h->deblocking_filter) {
|
| 2971 |
if((top + height) >= pic_height)
|
| 2972 |
height += deblock_border; |
| 2973 |
|
| 2974 |
top -= deblock_border; |
| 2975 |
} |
| 2976 |
|
| 2977 |
if (top >= pic_height || (top + height) < h->emu_edge_height)
|
| 2978 |
return;
|
| 2979 |
|
| 2980 |
height = FFMIN(height, pic_height - top); |
| 2981 |
if (top < h->emu_edge_height) {
|
| 2982 |
height = top+height; |
| 2983 |
top = 0;
|
| 2984 |
} |
| 2985 |
|
| 2986 |
ff_draw_horiz_band(s, top, height); |
| 2987 |
|
| 2988 |
if (s->dropable) return; |
| 2989 |
|
| 2990 |
ff_thread_report_progress((AVFrame*)s->current_picture_ptr, top + height - 1,
|
| 2991 |
s->picture_structure==PICT_BOTTOM_FIELD); |
| 2992 |
} |
| 2993 |
|
| 2994 |
static int decode_slice(struct AVCodecContext *avctx, void *arg){ |
| 2995 |
H264Context *h = *(void**)arg;
|
| 2996 |
MpegEncContext * const s = &h->s;
|
| 2997 |
const int part_mask= s->partitioned_frame ? (AC_END|AC_ERROR) : 0x7F; |
| 2998 |
|
| 2999 |
s->mb_skip_run= -1;
|
| 3000 |
|
| 3001 |
h->is_complex = FRAME_MBAFF || s->picture_structure != PICT_FRAME || s->codec_id != CODEC_ID_H264 || |
| 3002 |
(CONFIG_GRAY && (s->flags&CODEC_FLAG_GRAY)); |
| 3003 |
|
| 3004 |
if( h->pps.cabac ) {
|
| 3005 |
/* realign */
|
| 3006 |
align_get_bits( &s->gb ); |
| 3007 |
|
| 3008 |
/* init cabac */
|
| 3009 |
ff_init_cabac_states( &h->cabac); |
| 3010 |
ff_init_cabac_decoder( &h->cabac, |
| 3011 |
s->gb.buffer + get_bits_count(&s->gb)/8,
|
| 3012 |
(get_bits_left(&s->gb) + 7)/8); |
| 3013 |
|
| 3014 |
ff_h264_init_cabac_states(h); |
| 3015 |
|
| 3016 |
for(;;){
|
| 3017 |
//START_TIMER
|
| 3018 |
int ret = ff_h264_decode_mb_cabac(h);
|
| 3019 |
int eos;
|
| 3020 |
//STOP_TIMER("decode_mb_cabac")
|
| 3021 |
|
| 3022 |
if(ret>=0) ff_h264_hl_decode_mb(h); |
| 3023 |
|
| 3024 |
if( ret >= 0 && FRAME_MBAFF ) { //FIXME optimal? or let mb_decode decode 16x32 ? |
| 3025 |
s->mb_y++; |
| 3026 |
|
| 3027 |
ret = ff_h264_decode_mb_cabac(h); |
| 3028 |
|
| 3029 |
if(ret>=0) ff_h264_hl_decode_mb(h); |
| 3030 |
s->mb_y--; |
| 3031 |
} |
| 3032 |
eos = get_cabac_terminate( &h->cabac ); |
| 3033 |
|
| 3034 |
if((s->workaround_bugs & FF_BUG_TRUNCATED) && h->cabac.bytestream > h->cabac.bytestream_end + 2){ |
| 3035 |
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
|
| 3036 |
return 0; |
| 3037 |
} |
| 3038 |
if( ret < 0 || h->cabac.bytestream > h->cabac.bytestream_end + 2) { |
| 3039 |
av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding MB %d %d, bytestream (%td)\n", s->mb_x, s->mb_y, h->cabac.bytestream_end - h->cabac.bytestream);
|
| 3040 |
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask); |
| 3041 |
return -1; |
| 3042 |
} |
| 3043 |
|
| 3044 |
if( ++s->mb_x >= s->mb_width ) {
|
| 3045 |
s->mb_x = 0;
|
| 3046 |
loop_filter(h); |
| 3047 |
decode_finish_row(h); |
| 3048 |
++s->mb_y; |
| 3049 |
if(FIELD_OR_MBAFF_PICTURE) {
|
| 3050 |
++s->mb_y; |
| 3051 |
if(FRAME_MBAFF && s->mb_y < s->mb_height)
|
| 3052 |
predict_field_decoding_flag(h); |
| 3053 |
} |
| 3054 |
} |
| 3055 |
|
| 3056 |
if( eos || s->mb_y >= s->mb_height ) {
|
| 3057 |
tprintf(s->avctx, "slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
|
| 3058 |
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
|
| 3059 |
return 0; |
| 3060 |
} |
| 3061 |
} |
| 3062 |
|
| 3063 |
} else {
|
| 3064 |
for(;;){
|
| 3065 |
int ret = ff_h264_decode_mb_cavlc(h);
|
| 3066 |
|
| 3067 |
if(ret>=0) ff_h264_hl_decode_mb(h); |
| 3068 |
|
| 3069 |
if(ret>=0 && FRAME_MBAFF){ //FIXME optimal? or let mb_decode decode 16x32 ? |
| 3070 |
s->mb_y++; |
| 3071 |
ret = ff_h264_decode_mb_cavlc(h); |
| 3072 |
|
| 3073 |
if(ret>=0) ff_h264_hl_decode_mb(h); |
| 3074 |
s->mb_y--; |
| 3075 |
} |
| 3076 |
|
| 3077 |
if(ret<0){ |
| 3078 |
av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding MB %d %d\n", s->mb_x, s->mb_y);
|
| 3079 |
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask); |
| 3080 |
|
| 3081 |
return -1; |
| 3082 |
} |
| 3083 |
|
| 3084 |
if(++s->mb_x >= s->mb_width){
|
| 3085 |
s->mb_x=0;
|
| 3086 |
loop_filter(h); |
| 3087 |
decode_finish_row(h); |
| 3088 |
++s->mb_y; |
| 3089 |
if(FIELD_OR_MBAFF_PICTURE) {
|
| 3090 |
++s->mb_y; |
| 3091 |
if(FRAME_MBAFF && s->mb_y < s->mb_height)
|
| 3092 |
predict_field_decoding_flag(h); |
| 3093 |
} |
| 3094 |
if(s->mb_y >= s->mb_height){
|
| 3095 |
tprintf(s->avctx, "slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
|
| 3096 |
|
| 3097 |
if(get_bits_count(&s->gb) == s->gb.size_in_bits ) {
|
| 3098 |
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
|
| 3099 |
|
| 3100 |
return 0; |
| 3101 |
}else{
|
| 3102 |
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_END|DC_END|MV_END)&part_mask); |
| 3103 |
|
| 3104 |
return -1; |
| 3105 |
} |
| 3106 |
} |
| 3107 |
} |
| 3108 |
|
| 3109 |
if(get_bits_count(&s->gb) >= s->gb.size_in_bits && s->mb_skip_run<=0){ |
| 3110 |
tprintf(s->avctx, "slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
|
| 3111 |
if(get_bits_count(&s->gb) == s->gb.size_in_bits ){
|
| 3112 |
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
|
| 3113 |
|
| 3114 |
return 0; |
| 3115 |
}else{
|
| 3116 |
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask); |
| 3117 |
|
| 3118 |
return -1; |
| 3119 |
} |
| 3120 |
} |
| 3121 |
} |
| 3122 |
} |
| 3123 |
|
| 3124 |
#if 0
|
| 3125 |
for(;s->mb_y < s->mb_height; s->mb_y++){
|
| 3126 |
for(;s->mb_x < s->mb_width; s->mb_x++){
|
| 3127 |
int ret= decode_mb(h);
|
| 3128 |
|
| 3129 |
ff_h264_hl_decode_mb(h);
|
| 3130 |
|
| 3131 |
if(ret<0){
|
| 3132 |
av_log(s->avctx, AV_LOG_ERROR, "error while decoding MB %d %d\n", s->mb_x, s->mb_y);
|
| 3133 |
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
|
| 3134 |
|
| 3135 |
return -1;
|
| 3136 |
}
|
| 3137 |
|
| 3138 |
if(++s->mb_x >= s->mb_width){
|
| 3139 |
s->mb_x=0;
|
| 3140 |
if(++s->mb_y >= s->mb_height){
|
| 3141 |
if(get_bits_count(s->gb) == s->gb.size_in_bits){
|
| 3142 |
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
|
| 3143 |
|
| 3144 |
return 0;
|
| 3145 |
}else{
|
| 3146 |
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
|
| 3147 |
|
| 3148 |
return -1;
|
| 3149 |
}
|
| 3150 |
}
|
| 3151 |
}
|
| 3152 |
|
| 3153 |
if(get_bits_count(s->?gb) >= s->gb?.size_in_bits){
|
| 3154 |
if(get_bits_count(s->gb) == s->gb.size_in_bits){
|
| 3155 |
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
|
| 3156 |
|
| 3157 |
return 0;
|
| 3158 |
}else{
|
| 3159 |
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
|
| 3160 |
|
| 3161 |
return -1;
|
| 3162 |
}
|
| 3163 |
}
|
| 3164 |
}
|
| 3165 |
s->mb_x=0;
|
| 3166 |
ff_draw_horiz_band(s, 16*s->mb_y, 16);
|
| 3167 |
}
|
| 3168 |
#endif
|
| 3169 |
return -1; //not reached |
| 3170 |
} |
| 3171 |
|
| 3172 |
/**
|
| 3173 |
* Call decode_slice() for each context.
|
| 3174 |
*
|
| 3175 |
* @param h h264 master context
|
| 3176 |
* @param context_count number of contexts to execute
|
| 3177 |
*/
|
| 3178 |
static void execute_decode_slices(H264Context *h, int context_count){ |
| 3179 |
MpegEncContext * const s = &h->s;
|
| 3180 |
AVCodecContext * const avctx= s->avctx;
|
| 3181 |
H264Context *hx; |
| 3182 |
int i;
|
| 3183 |
|
| 3184 |
if (s->avctx->hwaccel)
|
| 3185 |
return;
|
| 3186 |
if(s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
|
| 3187 |
return;
|
| 3188 |
if(context_count == 1) { |
| 3189 |
decode_slice(avctx, &h); |
| 3190 |
} else {
|
| 3191 |
for(i = 1; i < context_count; i++) { |
| 3192 |
hx = h->thread_context[i]; |
| 3193 |
hx->s.error_recognition = avctx->error_recognition; |
| 3194 |
hx->s.error_count = 0;
|
| 3195 |
} |
| 3196 |
|
| 3197 |
avctx->execute(avctx, (void *)decode_slice,
|
| 3198 |
h->thread_context, NULL, context_count, sizeof(void*)); |
| 3199 |
|
| 3200 |
/* pull back stuff from slices to master context */
|
| 3201 |
hx = h->thread_context[context_count - 1];
|
| 3202 |
s->mb_x = hx->s.mb_x; |
| 3203 |
s->mb_y = hx->s.mb_y; |
| 3204 |
s->dropable = hx->s.dropable; |
| 3205 |
s->picture_structure = hx->s.picture_structure; |
| 3206 |
for(i = 1; i < context_count; i++) |
| 3207 |
h->s.error_count += h->thread_context[i]->s.error_count; |
| 3208 |
} |
| 3209 |
} |
| 3210 |
|
| 3211 |
|
| 3212 |
static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size){ |
| 3213 |
MpegEncContext * const s = &h->s;
|
| 3214 |
AVCodecContext * const avctx= s->avctx;
|
| 3215 |
int buf_index=0; |
| 3216 |
H264Context *hx; ///< thread context
|
| 3217 |
int context_count = 0; |
| 3218 |
int next_avc= h->is_avc ? 0 : buf_size; |
| 3219 |
|
| 3220 |
h->max_contexts = (HAVE_THREADS && (s->avctx->active_thread_type&FF_THREAD_SLICE)) ? avctx->thread_count : 1;
|
| 3221 |
#if 0
|
| 3222 |
int i;
|
| 3223 |
for(i=0; i<50; i++){
|
| 3224 |
av_log(NULL, AV_LOG_ERROR,"%02X ", buf[i]);
|
| 3225 |
}
|
| 3226 |
#endif
|
| 3227 |
if(!(s->flags2 & CODEC_FLAG2_CHUNKS)){
|
| 3228 |
h->current_slice = 0;
|
| 3229 |
if (!s->first_field)
|
| 3230 |
s->current_picture_ptr= NULL;
|
| 3231 |
ff_h264_reset_sei(h); |
| 3232 |
} |
| 3233 |
|
| 3234 |
for(;;){
|
| 3235 |
int consumed;
|
| 3236 |
int dst_length;
|
| 3237 |
int bit_length;
|
| 3238 |
const uint8_t *ptr;
|
| 3239 |
int i, nalsize = 0; |
| 3240 |
int err;
|
| 3241 |
|
| 3242 |
if(buf_index >= next_avc) {
|
| 3243 |
if(buf_index >= buf_size) break; |
| 3244 |
nalsize = 0;
|
| 3245 |
for(i = 0; i < h->nal_length_size; i++) |
| 3246 |
nalsize = (nalsize << 8) | buf[buf_index++];
|
| 3247 |
if(nalsize <= 0 || nalsize > buf_size - buf_index){ |
| 3248 |
av_log(h->s.avctx, AV_LOG_ERROR, "AVC: nal size %d\n", nalsize);
|
| 3249 |
break;
|
| 3250 |
} |
| 3251 |
next_avc= buf_index + nalsize; |
| 3252 |
} else {
|
| 3253 |
// start code prefix search
|
| 3254 |
for(; buf_index + 3 < next_avc; buf_index++){ |
| 3255 |
// This should always succeed in the first iteration.
|
| 3256 |
if(buf[buf_index] == 0 && buf[buf_index+1] == 0 && buf[buf_index+2] == 1) |
| 3257 |
break;
|
| 3258 |
} |
| 3259 |
|
| 3260 |
if(buf_index+3 >= buf_size) break; |
| 3261 |
|
| 3262 |
buf_index+=3;
|
| 3263 |
if(buf_index >= next_avc) continue; |
| 3264 |
} |
| 3265 |
|
| 3266 |
hx = h->thread_context[context_count]; |
| 3267 |
|
| 3268 |
ptr= ff_h264_decode_nal(hx, buf + buf_index, &dst_length, &consumed, next_avc - buf_index); |
| 3269 |
if (ptr==NULL || dst_length < 0){ |
| 3270 |
return -1; |
| 3271 |
} |
| 3272 |
i= buf_index + consumed; |
| 3273 |
if((s->workaround_bugs & FF_BUG_AUTODETECT) && i+3<next_avc && |
| 3274 |
buf[i]==0x00 && buf[i+1]==0x00 && buf[i+2]==0x01 && buf[i+3]==0xE0) |
| 3275 |
s->workaround_bugs |= FF_BUG_TRUNCATED; |
| 3276 |
|
| 3277 |
if(!(s->workaround_bugs & FF_BUG_TRUNCATED)){
|
| 3278 |
while(ptr[dst_length - 1] == 0 && dst_length > 0) |
| 3279 |
dst_length--; |
| 3280 |
} |
| 3281 |
bit_length= !dst_length ? 0 : (8*dst_length - ff_h264_decode_rbsp_trailing(h, ptr + dst_length - 1)); |
| 3282 |
|
| 3283 |
if(s->avctx->debug&FF_DEBUG_STARTCODE){
|
| 3284 |
av_log(h->s.avctx, AV_LOG_DEBUG, "NAL %d at %d/%d length %d\n", hx->nal_unit_type, buf_index, buf_size, dst_length);
|
| 3285 |
} |
| 3286 |
|
| 3287 |
if (h->is_avc && (nalsize != consumed) && nalsize){
|
| 3288 |
av_log(h->s.avctx, AV_LOG_DEBUG, "AVC: Consumed only %d bytes instead of %d\n", consumed, nalsize);
|
| 3289 |
} |
| 3290 |
|
| 3291 |
buf_index += consumed; |
| 3292 |
|
| 3293 |
if( (s->hurry_up == 1 && h->nal_ref_idc == 0) //FIXME do not discard SEI id |
| 3294 |
||(avctx->skip_frame >= AVDISCARD_NONREF && h->nal_ref_idc == 0))
|
| 3295 |
continue;
|
| 3296 |
|
| 3297 |
again:
|
| 3298 |
err = 0;
|
| 3299 |
switch(hx->nal_unit_type){
|
| 3300 |
case NAL_IDR_SLICE:
|
| 3301 |
if (h->nal_unit_type != NAL_IDR_SLICE) {
|
| 3302 |
av_log(h->s.avctx, AV_LOG_ERROR, "Invalid mix of idr and non-idr slices");
|
| 3303 |
return -1; |
| 3304 |
} |
| 3305 |
idr(h); //FIXME ensure we don't loose some frames if there is reordering
|
| 3306 |
case NAL_SLICE:
|
| 3307 |
init_get_bits(&hx->s.gb, ptr, bit_length); |
| 3308 |
hx->intra_gb_ptr= |
| 3309 |
hx->inter_gb_ptr= &hx->s.gb; |
| 3310 |
hx->s.data_partitioning = 0;
|
| 3311 |
|
| 3312 |
if((err = decode_slice_header(hx, h)))
|
| 3313 |
break;
|
| 3314 |
|
| 3315 |
s->current_picture_ptr->key_frame |= |
| 3316 |
(hx->nal_unit_type == NAL_IDR_SLICE) || |
| 3317 |
(h->sei_recovery_frame_cnt >= 0);
|
| 3318 |
|
| 3319 |
if (h->current_slice == 1) { |
| 3320 |
if(!(s->flags2 & CODEC_FLAG2_CHUNKS)) {
|
| 3321 |
decode_postinit(h); |
| 3322 |
} |
| 3323 |
|
| 3324 |
if (s->avctx->hwaccel && s->avctx->hwaccel->start_frame(s->avctx, NULL, 0) < 0) |
| 3325 |
return -1; |
| 3326 |
if(CONFIG_H264_VDPAU_DECODER && s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
|
| 3327 |
ff_vdpau_h264_picture_start(s); |
| 3328 |
} |
| 3329 |
|
| 3330 |
if(hx->redundant_pic_count==0 && hx->s.hurry_up < 5 |
| 3331 |
&& (avctx->skip_frame < AVDISCARD_NONREF || hx->nal_ref_idc) |
| 3332 |
&& (avctx->skip_frame < AVDISCARD_BIDIR || hx->slice_type_nos!=FF_B_TYPE) |
| 3333 |
&& (avctx->skip_frame < AVDISCARD_NONKEY || hx->slice_type_nos==FF_I_TYPE) |
| 3334 |
&& avctx->skip_frame < AVDISCARD_ALL){
|
| 3335 |
if(avctx->hwaccel) {
|
| 3336 |
if (avctx->hwaccel->decode_slice(avctx, &buf[buf_index - consumed], consumed) < 0) |
| 3337 |
return -1; |
| 3338 |
}else
|
| 3339 |
if(CONFIG_H264_VDPAU_DECODER && s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU){
|
| 3340 |
static const uint8_t start_code[] = {0x00, 0x00, 0x01}; |
| 3341 |
ff_vdpau_add_data_chunk(s, start_code, sizeof(start_code));
|
| 3342 |
ff_vdpau_add_data_chunk(s, &buf[buf_index - consumed], consumed ); |
| 3343 |
}else
|
| 3344 |
context_count++; |
| 3345 |
} |
| 3346 |
break;
|
| 3347 |
case NAL_DPA:
|
| 3348 |
init_get_bits(&hx->s.gb, ptr, bit_length); |
| 3349 |
hx->intra_gb_ptr= |
| 3350 |
hx->inter_gb_ptr= NULL;
|
| 3351 |
|
| 3352 |
if ((err = decode_slice_header(hx, h)) < 0) |
| 3353 |
break;
|
| 3354 |
|
| 3355 |
hx->s.data_partitioning = 1;
|
| 3356 |
|
| 3357 |
break;
|
| 3358 |
case NAL_DPB:
|
| 3359 |
init_get_bits(&hx->intra_gb, ptr, bit_length); |
| 3360 |
hx->intra_gb_ptr= &hx->intra_gb; |
| 3361 |
break;
|
| 3362 |
case NAL_DPC:
|
| 3363 |
init_get_bits(&hx->inter_gb, ptr, bit_length); |
| 3364 |
hx->inter_gb_ptr= &hx->inter_gb; |
| 3365 |
|
| 3366 |
if(hx->redundant_pic_count==0 && hx->intra_gb_ptr && hx->s.data_partitioning |
| 3367 |
&& s->context_initialized |
| 3368 |
&& s->hurry_up < 5
|
| 3369 |
&& (avctx->skip_frame < AVDISCARD_NONREF || hx->nal_ref_idc) |
| 3370 |
&& (avctx->skip_frame < AVDISCARD_BIDIR || hx->slice_type_nos!=FF_B_TYPE) |
| 3371 |
&& (avctx->skip_frame < AVDISCARD_NONKEY || hx->slice_type_nos==FF_I_TYPE) |
| 3372 |
&& avctx->skip_frame < AVDISCARD_ALL) |
| 3373 |
context_count++; |
| 3374 |
break;
|
| 3375 |
case NAL_SEI:
|
| 3376 |
init_get_bits(&s->gb, ptr, bit_length); |
| 3377 |
ff_h264_decode_sei(h); |
| 3378 |
break;
|
| 3379 |
case NAL_SPS:
|
| 3380 |
init_get_bits(&s->gb, ptr, bit_length); |
| 3381 |
ff_h264_decode_seq_parameter_set(h); |
| 3382 |
|
| 3383 |
if(s->flags& CODEC_FLAG_LOW_DELAY)
|
| 3384 |
s->low_delay=1;
|
| 3385 |
|
| 3386 |
if(avctx->has_b_frames < 2) |
| 3387 |
avctx->has_b_frames= !s->low_delay; |
| 3388 |
break;
|
| 3389 |
case NAL_PPS:
|
| 3390 |
init_get_bits(&s->gb, ptr, bit_length); |
| 3391 |
|
| 3392 |
ff_h264_decode_picture_parameter_set(h, bit_length); |
| 3393 |
|
| 3394 |
break;
|
| 3395 |
case NAL_AUD:
|
| 3396 |
case NAL_END_SEQUENCE:
|
| 3397 |
case NAL_END_STREAM:
|
| 3398 |
case NAL_FILLER_DATA:
|
| 3399 |
case NAL_SPS_EXT:
|
| 3400 |
case NAL_AUXILIARY_SLICE:
|
| 3401 |
break;
|
| 3402 |
default:
|
| 3403 |
av_log(avctx, AV_LOG_DEBUG, "Unknown NAL code: %d (%d bits)\n", hx->nal_unit_type, bit_length);
|
| 3404 |
} |
| 3405 |
|
| 3406 |
if(context_count == h->max_contexts) {
|
| 3407 |
execute_decode_slices(h, context_count); |
| 3408 |
context_count = 0;
|
| 3409 |
} |
| 3410 |
|
| 3411 |
if (err < 0) |
| 3412 |
av_log(h->s.avctx, AV_LOG_ERROR, "decode_slice_header error\n");
|
| 3413 |
else if(err == 1) { |
| 3414 |
/* Slice could not be decoded in parallel mode, copy down
|
| 3415 |
* NAL unit stuff to context 0 and restart. Note that
|
| 3416 |
* rbsp_buffer is not transferred, but since we no longer
|
| 3417 |
* run in parallel mode this should not be an issue. */
|
| 3418 |
h->nal_unit_type = hx->nal_unit_type; |
| 3419 |
h->nal_ref_idc = hx->nal_ref_idc; |
| 3420 |
hx = h; |
| 3421 |
goto again;
|
| 3422 |
} |
| 3423 |
} |
| 3424 |
if(context_count)
|
| 3425 |
execute_decode_slices(h, context_count); |
| 3426 |
return buf_index;
|
| 3427 |
} |
| 3428 |
|
| 3429 |
/**
|
| 3430 |
* returns the number of bytes consumed for building the current frame
|
| 3431 |
*/
|
| 3432 |
static int get_consumed_bytes(MpegEncContext *s, int pos, int buf_size){ |
| 3433 |
if(pos==0) pos=1; //avoid infinite loops (i doubt that is needed but ...) |
| 3434 |
if(pos+10>buf_size) pos=buf_size; // oops ;) |
| 3435 |
|
| 3436 |
return pos;
|
| 3437 |
} |
| 3438 |
|
| 3439 |
static int decode_frame(AVCodecContext *avctx, |
| 3440 |
void *data, int *data_size, |
| 3441 |
AVPacket *avpkt) |
| 3442 |
{
|
| 3443 |
const uint8_t *buf = avpkt->data;
|
| 3444 |
int buf_size = avpkt->size;
|
| 3445 |
H264Context *h = avctx->priv_data; |
| 3446 |
MpegEncContext *s = &h->s; |
| 3447 |
AVFrame *pict = data; |
| 3448 |
int buf_index;
|
| 3449 |
|
| 3450 |
s->flags= avctx->flags; |
| 3451 |
s->flags2= avctx->flags2; |
| 3452 |
|
| 3453 |
/* end of stream, output what is still in the buffers */
|
| 3454 |
out:
|
| 3455 |
if (buf_size == 0) { |
| 3456 |
Picture *out; |
| 3457 |
int i, out_idx;
|
| 3458 |
|
| 3459 |
s->current_picture_ptr = NULL;
|
| 3460 |
|
| 3461 |
//FIXME factorize this with the output code below
|
| 3462 |
out = h->delayed_pic[0];
|
| 3463 |
out_idx = 0;
|
| 3464 |
for(i=1; h->delayed_pic[i] && !h->delayed_pic[i]->key_frame && !h->delayed_pic[i]->mmco_reset; i++) |
| 3465 |
if(h->delayed_pic[i]->poc < out->poc){
|
| 3466 |
out = h->delayed_pic[i]; |
| 3467 |
out_idx = i; |
| 3468 |
} |
| 3469 |
|
| 3470 |
for(i=out_idx; h->delayed_pic[i]; i++)
|
| 3471 |
h->delayed_pic[i] = h->delayed_pic[i+1];
|
| 3472 |
|
| 3473 |
if(out){
|
| 3474 |
*data_size = sizeof(AVFrame);
|
| 3475 |
*pict= *(AVFrame*)out; |
| 3476 |
} |
| 3477 |
|
| 3478 |
return 0; |
| 3479 |
} |
| 3480 |
|
| 3481 |
buf_index=decode_nal_units(h, buf, buf_size); |
| 3482 |
if(buf_index < 0) |
| 3483 |
return -1; |
| 3484 |
|
| 3485 |
if (!s->current_picture_ptr && h->nal_unit_type == NAL_END_SEQUENCE) {
|
| 3486 |
buf_size = 0;
|
| 3487 |
goto out;
|
| 3488 |
} |
| 3489 |
|
| 3490 |
if(!(s->flags2 & CODEC_FLAG2_CHUNKS) && !s->current_picture_ptr){
|
| 3491 |
if (avctx->skip_frame >= AVDISCARD_NONREF || s->hurry_up) return 0; |
| 3492 |
av_log(avctx, AV_LOG_ERROR, "no frame!\n");
|
| 3493 |
return -1; |
| 3494 |
} |
| 3495 |
|
| 3496 |
if(!(s->flags2 & CODEC_FLAG2_CHUNKS) || (s->mb_y >= s->mb_height && s->mb_height)){
|
| 3497 |
|
| 3498 |
if(s->flags2 & CODEC_FLAG2_CHUNKS) decode_postinit(h);
|
| 3499 |
|
| 3500 |
field_end(h, 0);
|
| 3501 |
|
| 3502 |
if (!h->next_output_pic) {
|
| 3503 |
/* Wait for second field. */
|
| 3504 |
*data_size = 0;
|
| 3505 |
|
| 3506 |
} else {
|
| 3507 |
*data_size = sizeof(AVFrame);
|
| 3508 |
*pict = *(AVFrame*)h->next_output_pic; |
| 3509 |
} |
| 3510 |
} |
| 3511 |
|
| 3512 |
assert(pict->data[0] || !*data_size);
|
| 3513 |
ff_print_debug_info(s, pict); |
| 3514 |
//printf("out %d\n", (int)pict->data[0]);
|
| 3515 |
|
| 3516 |
return get_consumed_bytes(s, buf_index, buf_size);
|
| 3517 |
} |
| 3518 |
#if 0
|
| 3519 |
static inline void fill_mb_avail(H264Context *h){
|
| 3520 |
MpegEncContext * const s = &h->s;
|
| 3521 |
const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
|
| 3522 |
|
| 3523 |
if(s->mb_y){
|
| 3524 |
h->mb_avail[0]= s->mb_x && h->slice_table[mb_xy - s->mb_stride - 1] == h->slice_num;
|
| 3525 |
h->mb_avail[1]= h->slice_table[mb_xy - s->mb_stride ] == h->slice_num;
|
| 3526 |
h->mb_avail[2]= s->mb_x+1 < s->mb_width && h->slice_table[mb_xy - s->mb_stride + 1] == h->slice_num;
|
| 3527 |
}else{
|
| 3528 |
h->mb_avail[0]=
|
| 3529 |
h->mb_avail[1]=
|
| 3530 |
h->mb_avail[2]= 0;
|
| 3531 |
}
|
| 3532 |
h->mb_avail[3]= s->mb_x && h->slice_table[mb_xy - 1] == h->slice_num;
|
| 3533 |
h->mb_avail[4]= 1; //FIXME move out
|
| 3534 |
h->mb_avail[5]= 0; //FIXME move out
|
| 3535 |
}
|
| 3536 |
#endif
|
| 3537 |
|
| 3538 |
#ifdef TEST
|
| 3539 |
#undef printf
|
| 3540 |
#undef random
|
| 3541 |
#define COUNT 8000 |
| 3542 |
#define SIZE (COUNT*40) |
| 3543 |
int main(void){ |
| 3544 |
int i;
|
| 3545 |
uint8_t temp[SIZE]; |
| 3546 |
PutBitContext pb; |
| 3547 |
GetBitContext gb; |
| 3548 |
// int int_temp[10000];
|
| 3549 |
DSPContext dsp; |
| 3550 |
AVCodecContext avctx; |
| 3551 |
|
| 3552 |
dsputil_init(&dsp, &avctx); |
| 3553 |
|
| 3554 |
init_put_bits(&pb, temp, SIZE); |
| 3555 |
printf("testing unsigned exp golomb\n");
|
| 3556 |
for(i=0; i<COUNT; i++){ |
| 3557 |
START_TIMER |
| 3558 |
set_ue_golomb(&pb, i); |
| 3559 |
STOP_TIMER("set_ue_golomb");
|
| 3560 |
} |
| 3561 |
flush_put_bits(&pb); |
| 3562 |
|
| 3563 |
init_get_bits(&gb, temp, 8*SIZE);
|
| 3564 |
for(i=0; i<COUNT; i++){ |
| 3565 |
int j, s;
|
| 3566 |
|
| 3567 |
s= show_bits(&gb, 24);
|
| 3568 |
|
| 3569 |
START_TIMER |
| 3570 |
j= get_ue_golomb(&gb); |
| 3571 |
if(j != i){
|
| 3572 |
printf("mismatch! at %d (%d should be %d) bits:%6X\n", i, j, i, s);
|
| 3573 |
// return -1;
|
| 3574 |
} |
| 3575 |
STOP_TIMER("get_ue_golomb");
|
| 3576 |
} |
| 3577 |
|
| 3578 |
|
| 3579 |
init_put_bits(&pb, temp, SIZE); |
| 3580 |
printf("testing signed exp golomb\n");
|
| 3581 |
for(i=0; i<COUNT; i++){ |
| 3582 |
START_TIMER |
| 3583 |
set_se_golomb(&pb, i - COUNT/2);
|
| 3584 |
STOP_TIMER("set_se_golomb");
|
| 3585 |
} |
| 3586 |
flush_put_bits(&pb); |
| 3587 |
|
| 3588 |
init_get_bits(&gb, temp, 8*SIZE);
|
| 3589 |
for(i=0; i<COUNT; i++){ |
| 3590 |
int j, s;
|
| 3591 |
|
| 3592 |
s= show_bits(&gb, 24);
|
| 3593 |
|
| 3594 |
START_TIMER |
| 3595 |
j= get_se_golomb(&gb); |
| 3596 |
if(j != i - COUNT/2){ |
| 3597 |
printf("mismatch! at %d (%d should be %d) bits:%6X\n", i, j, i, s);
|
| 3598 |
// return -1;
|
| 3599 |
} |
| 3600 |
STOP_TIMER("get_se_golomb");
|
| 3601 |
} |
| 3602 |
|
| 3603 |
#if 0
|
| 3604 |
printf("testing 4x4 (I)DCT\n");
|
| 3605 |
|
| 3606 |
DCTELEM block[16];
|
| 3607 |
uint8_t src[16], ref[16];
|
| 3608 |
uint64_t error= 0, max_error=0;
|
| 3609 |
|
| 3610 |
for(i=0; i<COUNT; i++){
|
| 3611 |
int j;
|
| 3612 |
// printf("%d %d %d\n", r1, r2, (r2-r1)*16);
|
| 3613 |
for(j=0; j<16; j++){
|
| 3614 |
ref[j]= random()%255;
|
| 3615 |
src[j]= random()%255;
|
| 3616 |
}
|
| 3617 |
|
| 3618 |
h264_diff_dct_c(block, src, ref, 4);
|
| 3619 |
|
| 3620 |
//normalize
|
| 3621 |
for(j=0; j<16; j++){
|
| 3622 |
// printf("%d ", block[j]);
|
| 3623 |
block[j]= block[j]*4;
|
| 3624 |
if(j&1) block[j]= (block[j]*4 + 2)/5;
|
| 3625 |
if(j&4) block[j]= (block[j]*4 + 2)/5;
|
| 3626 |
}
|
| 3627 |
// printf("\n");
|
| 3628 |
|
| 3629 |
h->h264dsp.h264_idct_add(ref, block, 4);
|
| 3630 |
/* for(j=0; j<16; j++){
|
| 3631 |
printf("%d ", ref[j]);
|
| 3632 |
}
|
| 3633 |
printf("\n");*/
|
| 3634 |
|
| 3635 |
for(j=0; j<16; j++){
|
| 3636 |
int diff= FFABS(src[j] - ref[j]);
|
| 3637 |
|
| 3638 |
error+= diff*diff;
|
| 3639 |
max_error= FFMAX(max_error, diff);
|
| 3640 |
}
|
| 3641 |
}
|
| 3642 |
printf("error=%f max_error=%d\n", ((float)error)/COUNT/16, (int)max_error );
|
| 3643 |
printf("testing quantizer\n");
|
| 3644 |
for(qp=0; qp<52; qp++){
|
| 3645 |
for(i=0; i<16; i++)
|
| 3646 |
src1_block[i]= src2_block[i]= random()%255;
|
| 3647 |
|
| 3648 |
}
|
| 3649 |
printf("Testing NAL layer\n");
|
| 3650 |
|
| 3651 |
uint8_t bitstream[COUNT];
|
| 3652 |
uint8_t nal[COUNT*2];
|
| 3653 |
H264Context h;
|
| 3654 |
memset(&h, 0, sizeof(H264Context));
|
| 3655 |
|
| 3656 |
for(i=0; i<COUNT; i++){
|
| 3657 |
int zeros= i;
|
| 3658 |
int nal_length;
|
| 3659 |
int consumed;
|
| 3660 |
int out_length;
|
| 3661 |
uint8_t *out;
|
| 3662 |
int j;
|
| 3663 |
|
| 3664 |
for(j=0; j<COUNT; j++){
|
| 3665 |
bitstream[j]= (random() % 255) + 1;
|
| 3666 |
}
|
| 3667 |
|
| 3668 |
for(j=0; j<zeros; j++){
|
| 3669 |
int pos= random() % COUNT;
|
| 3670 |
while(bitstream[pos] == 0){
|
| 3671 |
pos++;
|
| 3672 |
pos %= COUNT;
|
| 3673 |
}
|
| 3674 |
bitstream[pos]=0;
|
| 3675 |
}
|
| 3676 |
|
| 3677 |
START_TIMER
|
| 3678 |
|
| 3679 |
nal_length= encode_nal(&h, nal, bitstream, COUNT, COUNT*2);
|
| 3680 |
if(nal_length<0){
|
| 3681 |
printf("encoding failed\n");
|
| 3682 |
return -1;
|
| 3683 |
}
|
| 3684 |
|
| 3685 |
out= ff_h264_decode_nal(&h, nal, &out_length, &consumed, nal_length);
|
| 3686 |
|
| 3687 |
STOP_TIMER("NAL")
|
| 3688 |
|
| 3689 |
if(out_length != COUNT){
|
| 3690 |
printf("incorrect length %d %d\n", out_length, COUNT);
|
| 3691 |
return -1;
|
| 3692 |
}
|
| 3693 |
|
| 3694 |
if(consumed != nal_length){
|
| 3695 |
printf("incorrect consumed length %d %d\n", nal_length, consumed);
|
| 3696 |
return -1;
|
| 3697 |
}
|
| 3698 |
|
| 3699 |
if(memcmp(bitstream, out, COUNT)){
|
| 3700 |
printf("mismatch\n");
|
| 3701 |
return -1;
|
| 3702 |
}
|
| 3703 |
}
|
| 3704 |
#endif
|
| 3705 |
|
| 3706 |
printf("Testing RBSP\n");
|
| 3707 |
|
| 3708 |
|
| 3709 |
return 0; |
| 3710 |
} |
| 3711 |
#endif /* TEST */ |
| 3712 |
|
| 3713 |
|
| 3714 |
av_cold void ff_h264_free_context(H264Context *h)
|
| 3715 |
{
|
| 3716 |
int i;
|
| 3717 |
|
| 3718 |
free_tables(h, 1); //FIXME cleanup init stuff perhaps |
| 3719 |
|
| 3720 |
for(i = 0; i < MAX_SPS_COUNT; i++) |
| 3721 |
av_freep(h->sps_buffers + i); |
| 3722 |
|
| 3723 |
for(i = 0; i < MAX_PPS_COUNT; i++) |
| 3724 |
av_freep(h->pps_buffers + i); |
| 3725 |
} |
| 3726 |
|
| 3727 |
av_cold int ff_h264_decode_end(AVCodecContext *avctx)
|
| 3728 |
{
|
| 3729 |
H264Context *h = avctx->priv_data; |
| 3730 |
MpegEncContext *s = &h->s; |
| 3731 |
|
| 3732 |
ff_h264_free_context(h); |
| 3733 |
|
| 3734 |
MPV_common_end(s); |
| 3735 |
|
| 3736 |
// memset(h, 0, sizeof(H264Context));
|
| 3737 |
|
| 3738 |
return 0; |
| 3739 |
} |
| 3740 |
|
| 3741 |
static const AVProfile profiles[] = { |
| 3742 |
{ FF_PROFILE_H264_BASELINE, "Baseline" },
|
| 3743 |
{ FF_PROFILE_H264_CONSTRAINED_BASELINE, "Constrained Baseline" },
|
| 3744 |
{ FF_PROFILE_H264_MAIN, "Main" },
|
| 3745 |
{ FF_PROFILE_H264_EXTENDED, "Extended" },
|
| 3746 |
{ FF_PROFILE_H264_HIGH, "High" },
|
| 3747 |
{ FF_PROFILE_H264_HIGH_10, "High 10" },
|
| 3748 |
{ FF_PROFILE_H264_HIGH_10_INTRA, "High 10 Intra" },
|
| 3749 |
{ FF_PROFILE_H264_HIGH_422, "High 4:2:2" },
|
| 3750 |
{ FF_PROFILE_H264_HIGH_422_INTRA, "High 4:2:2 Intra" },
|
| 3751 |
{ FF_PROFILE_H264_HIGH_444, "High 4:4:4" },
|
| 3752 |
{ FF_PROFILE_H264_HIGH_444_PREDICTIVE, "High 4:4:4 Predictive" },
|
| 3753 |
{ FF_PROFILE_H264_HIGH_444_INTRA, "High 4:4:4 Intra" },
|
| 3754 |
{ FF_PROFILE_H264_CAVLC_444, "CAVLC 4:4:4" },
|
| 3755 |
{ FF_PROFILE_UNKNOWN },
|
| 3756 |
}; |
| 3757 |
|
| 3758 |
AVCodec ff_h264_decoder = {
|
| 3759 |
"h264",
|
| 3760 |
AVMEDIA_TYPE_VIDEO, |
| 3761 |
CODEC_ID_H264, |
| 3762 |
sizeof(H264Context),
|
| 3763 |
ff_h264_decode_init, |
| 3764 |
NULL,
|
| 3765 |
ff_h264_decode_end, |
| 3766 |
decode_frame, |
| 3767 |
/*CODEC_CAP_DRAW_HORIZ_BAND |*/ CODEC_CAP_DR1 | CODEC_CAP_DELAY | CODEC_CAP_FRAME_THREADS,
|
| 3768 |
.flush= flush_dpb, |
| 3769 |
.long_name = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
|
| 3770 |
.init_thread_copy = ONLY_IF_THREADS_ENABLED(decode_init_thread_copy), |
| 3771 |
.update_thread_context = ONLY_IF_THREADS_ENABLED(decode_update_thread_context), |
| 3772 |
.profiles = NULL_IF_CONFIG_SMALL(profiles), |
| 3773 |
}; |
| 3774 |
|
| 3775 |
#if CONFIG_H264_VDPAU_DECODER
|
| 3776 |
AVCodec ff_h264_vdpau_decoder = {
|
| 3777 |
"h264_vdpau",
|
| 3778 |
AVMEDIA_TYPE_VIDEO, |
| 3779 |
CODEC_ID_H264, |
| 3780 |
sizeof(H264Context),
|
| 3781 |
ff_h264_decode_init, |
| 3782 |
NULL,
|
| 3783 |
ff_h264_decode_end, |
| 3784 |
decode_frame, |
| 3785 |
CODEC_CAP_DR1 | CODEC_CAP_DELAY | CODEC_CAP_HWACCEL_VDPAU, |
| 3786 |
.flush= flush_dpb, |
| 3787 |
.long_name = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (VDPAU acceleration)"),
|
| 3788 |
.pix_fmts = (const enum PixelFormat[]){PIX_FMT_VDPAU_H264, PIX_FMT_NONE}, |
| 3789 |
.profiles = NULL_IF_CONFIG_SMALL(profiles), |
| 3790 |
}; |
| 3791 |
#endif
|