/*
- * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
+ * H.26L/H.264/AVC/JVT/14496-10/... decoder
* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
#include "h264.h"
#include "h264data.h"
#include "h264_mvpred.h"
-#include "h264_parser.h"
#include "golomb.h"
#include "mathops.h"
#include "rectangle.h"
return dst;
}
-int ff_h264_decode_rbsp_trailing(H264Context *h, const uint8_t *src){
+/**
+ * Identify the exact end of the bitstream
+ * @return the length of the trailing, or 0 if damaged
+ */
+static int ff_h264_decode_rbsp_trailing(H264Context *h, const uint8_t *src){
int v= *src;
int r;
#undef xStride
#undef stride
-static void chroma_dc_dequant_idct_c(DCTELEM *block, int qp, int qmul){
+static void chroma_dc_dequant_idct_c(DCTELEM *block, int qmul){
const int stride= 16*2;
const int xStride= 16;
int a,b,c,d,e;
|| full_my < 0-extra_height
|| full_mx + 16/*FIXME*/ > pic_width + extra_width
|| full_my + 16/*FIXME*/ > pic_height + extra_height){
- ff_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);
+ 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);
src_y= s->edge_emu_buffer + 2 + 2*h->mb_linesize;
emu=1;
}
src_cr= pic->data[2] + (mx>>3) + (my>>3)*h->mb_uvlinesize;
if(emu){
- ff_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);
+ 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);
src_cb= s->edge_emu_buffer;
}
chroma_op(dest_cb, src_cb, h->mb_uvlinesize, chroma_height, mx&7, my&7);
if(emu){
- ff_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);
+ 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);
src_cr= s->edge_emu_buffer;
}
chroma_op(dest_cr, src_cr, h->mb_uvlinesize, chroma_height, mx&7, my&7);
}
-static void free_tables(H264Context *h){
+static void free_tables(H264Context *h, int free_rbsp){
int i;
H264Context *hx;
av_freep(&h->intra4x4_pred_mode);
av_freep(&hx->top_borders[1]);
av_freep(&hx->top_borders[0]);
av_freep(&hx->s.obmc_scratchpad);
- av_freep(&hx->rbsp_buffer[1]);
- av_freep(&hx->rbsp_buffer[0]);
- hx->rbsp_buffer_size[0] = 0;
- hx->rbsp_buffer_size[1] = 0;
+ if (free_rbsp){
+ av_freep(&hx->rbsp_buffer[1]);
+ av_freep(&hx->rbsp_buffer[0]);
+ hx->rbsp_buffer_size[0] = 0;
+ hx->rbsp_buffer_size[1] = 0;
+ }
if (i) av_freep(&h->thread_context[i]);
}
}
return 0;
fail:
- free_tables(h);
+ free_tables(h, 1);
return -1;
}
}
}else{
h->hpc.pred16x16[ h->intra16x16_pred_mode ](dest_y , linesize);
- if(h->non_zero_count_cache[ scan8[LUMA_DC_BLOCK_INDEX] ]){
if(is_h264){
- if(!transform_bypass)
- h->h264dsp.h264_luma_dc_dequant_idct(h->mb, h->mb_luma_dc, h->dequant4_coeff[0][s->qscale][0]);
- else{
- static const uint8_t dc_mapping[16] = { 0*16, 1*16, 4*16, 5*16, 2*16, 3*16, 6*16, 7*16,
- 8*16, 9*16,12*16,13*16,10*16,11*16,14*16,15*16};
- for(i = 0; i < 16; i++)
- h->mb[dc_mapping[i]] = h->mb_luma_dc[i];
+ if(h->non_zero_count_cache[ scan8[LUMA_DC_BLOCK_INDEX] ]){
+ if(!transform_bypass)
+ h->h264dsp.h264_luma_dc_dequant_idct(h->mb, h->mb_luma_dc, h->dequant4_coeff[0][s->qscale][0]);
+ else{
+ static const uint8_t dc_mapping[16] = { 0*16, 1*16, 4*16, 5*16, 2*16, 3*16, 6*16, 7*16,
+ 8*16, 9*16,12*16,13*16,10*16,11*16,14*16,15*16};
+ for(i = 0; i < 16; i++)
+ h->mb[dc_mapping[i]] = h->mb_luma_dc[i];
+ }
}
}else
ff_svq3_luma_dc_dequant_idct_c(h->mb, h->mb_luma_dc, s->qscale);
- }
}
if(h->deblocking_filter)
xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0, simple);
}
}
}else{
- if(h->non_zero_count_cache[ scan8[CHROMA_DC_BLOCK_INDEX+0] ])
- chroma_dc_dequant_idct_c(h->mb + 16*16 , h->chroma_qp[0], h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]);
- if(h->non_zero_count_cache[ scan8[CHROMA_DC_BLOCK_INDEX+1] ])
- chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->chroma_qp[1], h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp[1]][0]);
if(is_h264){
+ if(h->non_zero_count_cache[ scan8[CHROMA_DC_BLOCK_INDEX+0] ])
+ chroma_dc_dequant_idct_c(h->mb + 16*16 , h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]);
+ if(h->non_zero_count_cache[ scan8[CHROMA_DC_BLOCK_INDEX+1] ])
+ 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]);
h->h264dsp.h264_idct_add8(dest, block_offset,
h->mb, uvlinesize,
h->non_zero_count_cache);
}else{
+ chroma_dc_dequant_idct_c(h->mb + 16*16 , h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]);
+ 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]);
for(i=16; i<16+8; i++){
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
uint8_t * const ptr= dest[(i&4)>>2] + block_offset[i];
memcpy(dst->dequant8_coeff, src->dequant8_coeff, sizeof(src->dequant8_coeff));
}
+/**
+ * computes profile from profile_idc and constraint_set?_flags
+ *
+ * @param sps SPS
+ *
+ * @return profile as defined by FF_PROFILE_H264_*
+ */
+int ff_h264_get_profile(SPS *sps)
+{
+ int profile = sps->profile_idc;
+
+ switch(sps->profile_idc) {
+ case FF_PROFILE_H264_BASELINE:
+ // constraint_set1_flag set to 1
+ profile |= (sps->constraint_set_flags & 1<<1) ? FF_PROFILE_H264_CONSTRAINED : 0;
+ break;
+ case FF_PROFILE_H264_HIGH_10:
+ case FF_PROFILE_H264_HIGH_422:
+ case FF_PROFILE_H264_HIGH_444_PREDICTIVE:
+ // constraint_set3_flag set to 1
+ profile |= (sps->constraint_set_flags & 1<<3) ? FF_PROFILE_H264_INTRA : 0;
+ break;
+ }
+
+ return profile;
+}
+
/**
* decodes a slice header.
* This will also call MPV_common_init() and frame_start() as needed.
}
h->sps = *h0->sps_buffers[h->pps.sps_id];
- s->avctx->profile = h->sps.profile_idc;
+ s->avctx->profile = ff_h264_get_profile(&h->sps);
s->avctx->level = h->sps.level_idc;
s->avctx->refs = h->sps.ref_frame_count;
|| av_cmp_q(h->sps.sar, s->avctx->sample_aspect_ratio))) {
if(h != h0)
return -1; // width / height changed during parallelized decoding
- free_tables(h);
+ free_tables(h, 0);
flush_dpb(s->avctx);
MPV_common_end(s);
}
{
int i;
- free_tables(h); //FIXME cleanup init stuff perhaps
+ free_tables(h, 1); //FIXME cleanup init stuff perhaps
for(i = 0; i < MAX_SPS_COUNT; i++)
av_freep(h->sps_buffers + i);
return 0;
}
+static const AVProfile profiles[] = {
+ { FF_PROFILE_H264_BASELINE, "Baseline" },
+ { FF_PROFILE_H264_CONSTRAINED_BASELINE, "Constrained Baseline" },
+ { FF_PROFILE_H264_MAIN, "Main" },
+ { FF_PROFILE_H264_EXTENDED, "Extended" },
+ { FF_PROFILE_H264_HIGH, "High" },
+ { FF_PROFILE_H264_HIGH_10, "High 10" },
+ { FF_PROFILE_H264_HIGH_10_INTRA, "High 10 Intra" },
+ { FF_PROFILE_H264_HIGH_422, "High 4:2:2" },
+ { FF_PROFILE_H264_HIGH_422_INTRA, "High 4:2:2 Intra" },
+ { FF_PROFILE_H264_HIGH_444_PREDICTIVE, "High 4:4:4 Predictive" },
+ { FF_PROFILE_H264_HIGH_444_INTRA, "High 4:4:4 Intra" },
+ { FF_PROFILE_H264_CAVLC_444, "CAVLC 4:4:4" },
+ { FF_PROFILE_UNKNOWN },
+};
-AVCodec h264_decoder = {
+AVCodec ff_h264_decoder = {
"h264",
AVMEDIA_TYPE_VIDEO,
CODEC_ID_H264,
/*CODEC_CAP_DRAW_HORIZ_BAND |*/ CODEC_CAP_DR1 | CODEC_CAP_DELAY,
.flush= flush_dpb,
.long_name = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
+ .profiles = NULL_IF_CONFIG_SMALL(profiles),
};
#if CONFIG_H264_VDPAU_DECODER
-AVCodec h264_vdpau_decoder = {
+AVCodec ff_h264_vdpau_decoder = {
"h264_vdpau",
AVMEDIA_TYPE_VIDEO,
CODEC_ID_H264,
.flush= flush_dpb,
.long_name = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (VDPAU acceleration)"),
.pix_fmts = (const enum PixelFormat[]){PIX_FMT_VDPAU_H264, PIX_FMT_NONE},
+ .profiles = NULL_IF_CONFIG_SMALL(profiles),
};
#endif
projects / ffmpeg / blobdiff