*/
/**
- * @file libavcodec/h264.c
+ * @file
* H.264 / AVC / MPEG4 part10 codec.
* @author Michael Niedermayer <michaelni@gmx.at>
*/
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,
};
+static const enum PixelFormat hwaccel_pixfmt_list_h264_jpeg_420[] = {
+ PIX_FMT_DXVA2_VLD,
+ PIX_FMT_VAAPI_VLD,
+ PIX_FMT_YUVJ420P,
+ PIX_FMT_NONE
+};
+
void ff_h264_write_back_intra_pred_mode(H264Context *h){
int8_t *mode= h->intra4x4_pred_mode + h->mb2br_xy[h->mb_xy];
memset(h->pps.scaling_matrix8, 16, 2*64*sizeof(uint8_t));
}
-av_cold int ff_h264_decode_init(AVCodecContext *avctx){
- H264Context *h= avctx->priv_data;
- MpegEncContext * const s = &h->s;
-
- MPV_decode_defaults(s);
-
- s->avctx = avctx;
- common_init(h);
-
- s->out_format = FMT_H264;
- s->workaround_bugs= avctx->workaround_bugs;
-
- // set defaults
-// s->decode_mb= ff_h263_decode_mb;
- s->quarter_sample = 1;
- if(!avctx->has_b_frames)
- s->low_delay= 1;
-
- avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;
-
- ff_h264_decode_init_vlc();
-
- h->thread_context[0] = h;
- h->outputed_poc = INT_MIN;
- h->prev_poc_msb= 1<<16;
- h->x264_build = -1;
- ff_h264_reset_sei(h);
- if(avctx->codec_id == CODEC_ID_H264){
- if(avctx->ticks_per_frame == 1){
- s->avctx->time_base.den *=2;
- }
- avctx->ticks_per_frame = 2;
- }
+int ff_h264_decode_extradata(H264Context *h)
+{
+ AVCodecContext *avctx = h->s.avctx;
- if(avctx->extradata_size > 0 && avctx->extradata && *(char *)avctx->extradata == 1){
+ if(*(char *)avctx->extradata == 1){
int i, cnt, nalsize;
unsigned char *p = avctx->extradata;
h->nal_length_size = ((*(((char*)(avctx->extradata))+4))&0x03)+1;
} else {
h->is_avc = 0;
- if(decode_nal_units(h, s->avctx->extradata, s->avctx->extradata_size) < 0)
+ if(decode_nal_units(h, avctx->extradata, avctx->extradata_size) < 0)
return -1;
}
+ return 0;
+}
+
+av_cold int ff_h264_decode_init(AVCodecContext *avctx){
+ H264Context *h= avctx->priv_data;
+ MpegEncContext * const s = &h->s;
+
+ MPV_decode_defaults(s);
+
+ s->avctx = avctx;
+ common_init(h);
+
+ s->out_format = FMT_H264;
+ s->workaround_bugs= avctx->workaround_bugs;
+
+ // set defaults
+// s->decode_mb= ff_h263_decode_mb;
+ s->quarter_sample = 1;
+ if(!avctx->has_b_frames)
+ s->low_delay= 1;
+
+ avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;
+
+ ff_h264_decode_init_vlc();
+
+ h->thread_context[0] = h;
+ h->outputed_poc = INT_MIN;
+ h->prev_poc_msb= 1<<16;
+ h->x264_build = -1;
+ ff_h264_reset_sei(h);
+ if(avctx->codec_id == CODEC_ID_H264){
+ if(avctx->ticks_per_frame == 1){
+ s->avctx->time_base.den *=2;
+ }
+ avctx->ticks_per_frame = 2;
+ }
+
+ if(avctx->extradata_size > 0 && avctx->extradata &&
+ ff_h264_decode_extradata(h))
+ return -1;
+
if(h->sps.bitstream_restriction_flag && s->avctx->has_b_frames < h->sps.num_reorder_frames){
s->avctx->has_b_frames = h->sps.num_reorder_frames;
s->low_delay = 0;
/**
* Initialize implicit_weight table.
- * @param field, 0/1 initialize the weight for interlaced MBAFF
+ * @param field 0/1 initialize the weight for interlaced MBAFF
* -1 initializes the rest
*/
static void implicit_weight_table(H264Context *h, int field){
}
/**
- * Replicates H264 "master" context to thread contexts.
+ * Replicate H264 "master" context to thread contexts.
*/
static void clone_slice(H264Context *dst, H264Context *src)
{
}
h->sps = *h0->sps_buffers[h->pps.sps_id];
+ s->avctx->profile = h->sps.profile_idc;
+ s->avctx->level = h->sps.level_idc;
+ s->avctx->refs = h->sps.ref_frame_count;
+
if(h == h0 && h->dequant_coeff_pps != pps_id){
h->dequant_coeff_pps = pps_id;
init_dequant_tables(h);
av_reduce(&s->avctx->time_base.num, &s->avctx->time_base.den,
h->sps.num_units_in_tick, den, 1<<30);
}
- s->avctx->pix_fmt = s->avctx->get_format(s->avctx, s->avctx->codec->pix_fmts);
+ s->avctx->pix_fmt = s->avctx->get_format(s->avctx,
+ s->avctx->codec->pix_fmts ?
+ s->avctx->codec->pix_fmts :
+ s->avctx->color_range == AVCOL_RANGE_JPEG ?
+ hwaccel_pixfmt_list_h264_jpeg_420 :
+ ff_hwaccel_pixfmt_list_420);
s->avctx->hwaccel = ff_find_hwaccel(s->avctx->codec->id, s->avctx->pix_fmt);
if (MPV_common_init(s) < 0)
if(h0->current_slice == 0){
while(h->frame_num != h->prev_frame_num &&
h->frame_num != (h->prev_frame_num+1)%(1<<h->sps.log2_max_frame_num)){
- av_log(NULL, AV_LOG_DEBUG, "Frame num gap %d %d\n", h->frame_num, h->prev_frame_num);
+ av_log(h->s.avctx, AV_LOG_DEBUG, "Frame num gap %d %d\n", h->frame_num, h->prev_frame_num);
if (ff_h264_frame_start(h) < 0)
return -1;
h->prev_frame_num++;
h->emu_edge_width= (s->flags&CODEC_FLAG_EMU_EDGE) ? 0 : 16;
h->emu_edge_height= (FRAME_MBAFF || FIELD_PICTURE) ? 0 : h->emu_edge_width;
- s->avctx->refs= h->sps.ref_frame_count;
-
if(s->avctx->debug&FF_DEBUG_PICT_INFO){
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",
h->slice_num,
if((err = decode_slice_header(hx, h)))
break;
- avctx->profile = hx->sps.profile_idc;
- avctx->level = hx->sps.level_idc;
-
if (h->current_slice == 1) {
if (s->avctx->hwaccel && s->avctx->hwaccel->start_frame(s->avctx, NULL, 0) < 0)
return -1;
if ((err = decode_slice_header(hx, h)) < 0)
break;
- avctx->profile = hx->sps.profile_idc;
- avctx->level = hx->sps.level_idc;
-
hx->s.data_partitioning = 1;
break;
/*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"),
- .pix_fmts= ff_hwaccel_pixfmt_list_420,
};
#if CONFIG_H264_VDPAU_DECODER
projects / ffmpeg / blobdiff