diff options
Diffstat (limited to 'libavformat/segment.c')
| -rw-r--r-- | libavformat/segment.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/libavformat/segment.c b/libavformat/segment.c index 0e6421ea5d..80e4bf851c 100644 --- a/libavformat/segment.c +++ b/libavformat/segment.c @@ -116,6 +116,7 @@ typedef struct SegmentContext { int64_t initial_offset; ///< initial timestamps offset, expressed in microseconds char *reference_stream_specifier; ///< reference stream specifier int reference_stream_index; + int64_t reference_stream_first_pts; ///< initial timestamp, expressed in microseconds int break_non_keyframes; int write_empty; @@ -746,6 +747,8 @@ static int seg_init(AVFormatContext *s) seg->reference_stream_index, av_get_media_type_string(s->streams[seg->reference_stream_index]->codecpar->codec_type)); + seg->reference_stream_first_pts = AV_NOPTS_VALUE; + seg->oformat = av_guess_format(seg->format, s->url, NULL); if (!seg->oformat) @@ -898,6 +901,18 @@ calc_times: pkt->flags & AV_PKT_FLAG_KEY, pkt->stream_index == seg->reference_stream_index ? seg->frame_count : -1); + if (seg->reference_stream_first_pts == AV_NOPTS_VALUE && + pkt->stream_index == seg->reference_stream_index && + pkt->pts != AV_NOPTS_VALUE) { + seg->reference_stream_first_pts = av_rescale_q(pkt->pts, st->time_base, AV_TIME_BASE_Q); + } + + if (seg->reference_stream_first_pts != AV_NOPTS_VALUE) { + end_pts += (INT64_MAX - end_pts >= seg->reference_stream_first_pts) ? + seg->reference_stream_first_pts : + INT64_MAX - end_pts; + } + if (pkt->pts != AV_NOPTS_VALUE) pkt_pts_avtb = av_rescale_q(pkt->pts, st->time_base, AV_TIME_BASE_Q); |