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lavf: simplify is_intra_only() by using codec descriptors.

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This commit is contained in:
Anton Khirnov 2012-08-09 18:39:56 +02:00
parent 51efed152d
commit 885da7b082
1 changed files with 9 additions and 25 deletions
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34
libavformat/utils.c
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@ -789,30 +789,14 @@ static void compute_frame_duration(int *pnum, int *pden, AVStream *st,
}
}
static int is_intra_only(AVCodecContext *enc){
if(enc->codec_type == AVMEDIA_TYPE_AUDIO){
return 1;
}else if(enc->codec_type == AVMEDIA_TYPE_VIDEO){
switch(enc->codec_id){
case AV_CODEC_ID_MJPEG:
case AV_CODEC_ID_MJPEGB:
case AV_CODEC_ID_LJPEG:
case AV_CODEC_ID_PRORES:
case AV_CODEC_ID_RAWVIDEO:
case AV_CODEC_ID_DVVIDEO:
case AV_CODEC_ID_HUFFYUV:
case AV_CODEC_ID_FFVHUFF:
case AV_CODEC_ID_ASV1:
case AV_CODEC_ID_ASV2:
case AV_CODEC_ID_VCR1:
case AV_CODEC_ID_DNXHD:
case AV_CODEC_ID_JPEG2000:
case AV_CODEC_ID_MDEC:
return 1;
default: break;
}
}
return 0;
static int is_intra_only(enum AVCodecID id)
{
const AVCodecDescriptor *d = avcodec_descriptor_get(id);
if (!d)
return 0;
if (d->type == AVMEDIA_TYPE_VIDEO && !(d->props & AV_CODEC_PROP_INTRA_ONLY))
return 0;
return 1;
}
static void update_initial_timestamps(AVFormatContext *s, int stream_index,
@ -1034,7 +1018,7 @@ static void compute_pkt_fields(AVFormatContext *s, AVStream *st,
// av_log(NULL, AV_LOG_ERROR, "OUTdelayed:%d/%d pts:%"PRId64", dts:%"PRId64" cur_dts:%"PRId64"\n", presentation_delayed, delay, pkt->pts, pkt->dts, st->cur_dts);
/* update flags */
if(is_intra_only(st->codec))
if (is_intra_only(st->codec->codec_id))
pkt->flags |= AV_PKT_FLAG_KEY;
if (pc)
pkt->convergence_duration = pc->convergence_duration;