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Code Issues Releases Activity

avformat/mxfdec: factorize packet pts setter function

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Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2017-09-07 16:09:13 +02:00
parent e4fd7b1fea
commit 7f80b065a6
1 changed files with 29 additions and 23 deletions

52
libavformat/mxfdec.c

@ -3060,6 +3060,32 @@ static int mxf_set_audio_pts(MXFContext *mxf, AVCodecParameters *par,
return 0;
}
static int mxf_set_pts(MXFContext *mxf, AVStream *st, AVPacket *pkt, int64_t next_ofs)
{
AVCodecParameters *par = st->codecpar;
MXFTrack *track = st->priv_data;
if (par->codec_type == AVMEDIA_TYPE_VIDEO && next_ofs >= 0) {
/* mxf->current_edit_unit good - see if we have an
* index table to derive timestamps from */
MXFIndexTable *t = &mxf->index_tables[0];
if (mxf->nb_index_tables >= 1 && mxf->current_edit_unit < t->nb_ptses) {
pkt->dts = mxf->current_edit_unit + t->first_dts;
pkt->pts = t->ptses[mxf->current_edit_unit];
} else if (track && track->intra_only) {
/* intra-only -> PTS = EditUnit.
* let utils.c figure out DTS since it can be < PTS if low_delay = 0 (Sony IMX30) */
pkt->pts = mxf->current_edit_unit;
}
} else if (par->codec_type == AVMEDIA_TYPE_AUDIO) {
int ret = mxf_set_audio_pts(mxf, par, pkt);
if (ret < 0)
return ret;
}
return 0;
}
static int mxf_read_packet_old(AVFormatContext *s, AVPacket *pkt)
{
KLVPacket klv;
@ -3083,8 +3109,6 @@ static int mxf_read_packet_old(AVFormatContext *s, AVPacket *pkt)
int index = mxf_get_stream_index(s, &klv);
int64_t next_ofs, next_klv;
AVStream *st;
MXFTrack *track;
AVCodecParameters *par;
if (index < 0) {
av_log(s, AV_LOG_ERROR,
@ -3094,7 +3118,6 @@ static int mxf_read_packet_old(AVFormatContext *s, AVPacket *pkt)
}
st = s->streams[index];
track = st->priv_data;
if (s->streams[index]->discard == AVDISCARD_ALL)
goto skip;
@ -3129,26 +3152,9 @@ static int mxf_read_packet_old(AVFormatContext *s, AVPacket *pkt)
pkt->stream_index = index;
pkt->pos = klv.offset;
par = st->codecpar;
if (par->codec_type == AVMEDIA_TYPE_VIDEO && next_ofs >= 0) {
/* mxf->current_edit_unit good - see if we have an
* index table to derive timestamps from */
MXFIndexTable *t = &mxf->index_tables[0];
if (mxf->nb_index_tables >= 1 && mxf->current_edit_unit < t->nb_ptses) {
pkt->dts = mxf->current_edit_unit + t->first_dts;
pkt->pts = t->ptses[mxf->current_edit_unit];
} else if (track && track->intra_only) {
/* intra-only -> PTS = EditUnit.
* let utils.c figure out DTS since it can be < PTS if low_delay = 0 (Sony IMX30) */
pkt->pts = mxf->current_edit_unit;
}
} else if (par->codec_type == AVMEDIA_TYPE_AUDIO) {
ret = mxf_set_audio_pts(mxf, par, pkt);
if (ret < 0)
return ret;
}
ret = mxf_set_pts(mxf, st, pkt, next_ofs);
if (ret < 0)
return ret;
/* seek for truncated packets */
avio_seek(s->pb, next_klv, SEEK_SET);