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set keyframe flag at a more central place instead of in every demuxer for containers which only store intra only streams

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Originally committed as revision 3620 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2004-10-22 01:51:17 +00:00
parent a7b42d28da
commit 5ba7c3d7c9
3 changed files with 24 additions and 2 deletions
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1
libavformat/au.c
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@ -164,7 +164,6 @@ static int au_read_packet(AVFormatContext *s,
if (av_new_packet(pkt, MAX_SIZE))
return AVERROR_IO;
pkt->stream_index = 0;
pkt->flags |= PKT_FLAG_KEY;
ret = get_buffer(&s->pb, pkt->data, pkt->size);
if (ret < 0)

24
libavformat/utils.c
View File

@ -591,6 +591,27 @@ static void compute_frame_duration(int *pnum, int *pden, AVStream *st,
}
}
static int is_intra_only(AVCodecContext *enc){
if(enc->codec_type == CODEC_TYPE_AUDIO){
return 1;
}else if(enc->codec_type == CODEC_TYPE_VIDEO){
switch(enc->codec_id){
case CODEC_ID_MJPEG:
case CODEC_ID_MJPEGB:
case CODEC_ID_LJPEG:
case CODEC_ID_RAWVIDEO:
case CODEC_ID_DVVIDEO:
case CODEC_ID_HUFFYUV:
case CODEC_ID_ASV1:
case CODEC_ID_ASV2:
case CODEC_ID_VCR1:
return 1;
default: break;
}
}
return 0;
}
static int64_t lsb2full(int64_t lsb, int64_t last_ts, int lsb_bits){
int64_t mask = lsb_bits < 64 ? (1LL<<lsb_bits)-1 : -1LL;
int64_t delta= last_ts - mask/2;
@ -617,6 +638,9 @@ static void compute_pkt_fields(AVFormatContext *s, AVStream *st,
}
}
if(is_intra_only(&st->codec))
pkt->flags |= PKT_FLAG_KEY;
/* do we have a video B frame ? */
presentation_delayed = 0;
if (st->codec.codec_type == CODEC_TYPE_VIDEO) {

1
libavformat/wav.c
View File

@ -331,7 +331,6 @@ static int wav_read_packet(AVFormatContext *s,
if (av_new_packet(pkt, size))
return AVERROR_IO;
pkt->stream_index = 0;
pkt->flags |= PKT_FLAG_KEY;
ret = get_buffer(&s->pb, pkt->data, pkt->size);
if (ret < 0)