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mpegtsenc: make pts/dts offseting optional

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-06-08 03:30:47 +02:00
parent 6668ef7567
commit 80485a4f9a
1 changed files with 12 additions and 6 deletions
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18
libavformat/mpegtsenc.c
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@ -83,6 +83,7 @@ typedef struct MpegTSWrite {
#define MPEGTS_FLAG_REEMIT_PAT_PMT 0x01
#define MPEGTS_FLAG_AAC_LATM 0x02
int flags;
int copyts;
} MpegTSWrite;
/* a PES packet header is generated every DEFAULT_PES_HEADER_FREQ packets */
@ -117,6 +118,8 @@ static const AVOption options[] = {
// backward compatibility
{ "resend_headers", "Reemit PAT/PMT before writing the next packet",
offsetof(MpegTSWrite, reemit_pat_pmt), AV_OPT_TYPE_INT, {0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
{ "mpegts_copyts", "dont offset dts/pts",
offsetof(MpegTSWrite, copyts), AV_OPT_TYPE_INT, {.dbl=-1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
{ NULL },
};
@ -636,7 +639,8 @@ static int mpegts_write_header(AVFormatContext *s)
ts->pat_packet_period = (ts->mux_rate * PAT_RETRANS_TIME) /
(TS_PACKET_SIZE * 8 * 1000);
ts->first_pcr = av_rescale(s->max_delay, PCR_TIME_BASE, AV_TIME_BASE);
if(ts->copyts < 1)
ts->first_pcr = av_rescale(s->max_delay, PCR_TIME_BASE, AV_TIME_BASE);
} else {
/* Arbitrary values, PAT/PMT will also be written on video key frames */
ts->sdt_packet_period = 200;
@ -1027,7 +1031,7 @@ static int mpegts_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
MpegTSWrite *ts = s->priv_data;
MpegTSWriteStream *ts_st = st->priv_data;
const int64_t delay = av_rescale(s->max_delay, 90000, AV_TIME_BASE)*2;
int64_t dts = AV_NOPTS_VALUE, pts = AV_NOPTS_VALUE;
int64_t dts = pkt->dts, pts = pkt->pts;
if (ts->reemit_pat_pmt) {
av_log(s, AV_LOG_WARNING, "resend_headers option is deprecated, use -mpegts_flags resend_headers\n");
@ -1041,10 +1045,12 @@ static int mpegts_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
ts->flags &= ~MPEGTS_FLAG_REEMIT_PAT_PMT;
}
if (pkt->pts != AV_NOPTS_VALUE)
pts = pkt->pts + delay;
if (pkt->dts != AV_NOPTS_VALUE)
dts = pkt->dts + delay;
if(ts->copyts < 1){
if (pts != AV_NOPTS_VALUE)
pts += delay;
if (dts != AV_NOPTS_VALUE)
dts += delay;
}
if (ts_st->first_pts_check && pts == AV_NOPTS_VALUE) {
av_log(s, AV_LOG_ERROR, "first pts value must set\n");