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add a delay variable to hold the timestamp buffer size

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set cur_dts correctly for delay>1

Originally committed as revision 8424 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-03-16 22:59:45 +00:00
parent 741887cf3e
commit befe3b05d3
1 changed files with 4 additions and 4 deletions
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8
libavformat/utils.c
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@ -578,7 +578,7 @@ static int64_t lsb2full(int64_t lsb, int64_t last_ts, int lsb_bits){
static void compute_pkt_fields(AVFormatContext *s, AVStream *st,
AVCodecParserContext *pc, AVPacket *pkt)
{
int num, den, presentation_delayed;
int num, den, presentation_delayed, delay;
/* handle wrapping */
if(st->cur_dts != AV_NOPTS_VALUE){
if(pkt->pts != AV_NOPTS_VALUE)
@ -598,11 +598,12 @@ static void compute_pkt_fields(AVFormatContext *s, AVStream *st,
pkt->flags |= PKT_FLAG_KEY;
/* do we have a video B frame ? */
delay= st->codec->has_b_frames;
presentation_delayed = 0;
if (st->codec->codec_type == CODEC_TYPE_VIDEO) {
/* XXX: need has_b_frame, but cannot get it if the codec is
not initialized */
if (st->codec->has_b_frames &&
if (delay &&
pc && pc->pict_type != FF_B_TYPE)
presentation_delayed = 1;
/* this may be redundant, but it shouldnt hurt */
@ -611,8 +612,7 @@ static void compute_pkt_fields(AVFormatContext *s, AVStream *st,
}
if(st->cur_dts == AV_NOPTS_VALUE){
if(presentation_delayed) st->cur_dts = -pkt->duration;
else st->cur_dts = 0;
st->cur_dts = -delay * pkt->duration;
}
// av_log(NULL, AV_LOG_DEBUG, "IN delayed:%d pts:%"PRId64", dts:%"PRId64" cur_dts:%"PRId64" st:%d pc:%p\n", presentation_delayed, pkt->pts, pkt->dts, st->cur_dts, pkt->stream_index, pc);