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tsdemux: Handle streams with bogus PTS vs DTS

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PTS and DTS should be within a reasonable distance of each other.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1179>
This commit is contained in:
Edward Hervey 2021-09-05 11:55:55 +02:00 committed by GStreamer Marge Bot
parent 6efa9dc00e
commit 74e9d44db3
1 changed files with 13 additions and 1 deletions
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14
subprojects/gst-plugins-bad/gst/mpegtsdemux/tsdemux.c
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@ -2334,10 +2334,22 @@ gst_ts_demux_record_pts (GstTSDemux * demux, TSDemuxStream * stream,
mpegts_packetizer_pts_to_ts (MPEG_TS_BASE_PACKETIZER (demux),
MPEGTIME_TO_GSTTIME (pts), demux->program->pcr_pid);
if (base->out_segment.format == GST_FORMAT_TIME) {
if (base->out_segment.format == GST_FORMAT_TIME)
demux->mpeg_pts_offset =
(GSTTIME_TO_MPEGTIME (gst_segment_to_running_time (&base->out_segment,
GST_FORMAT_TIME, stream->pts)) - pts) & 0x1ffffffff;
/* Sanity check, some stream have completely different PTS vs DTS. If that
* happens we only keep the DTS */
if (GST_CLOCK_TIME_IS_VALID (stream->pts) &&
GST_CLOCK_TIME_IS_VALID (stream->dts) &&
ABSDIFF (stream->pts, stream->dts) > 5 * GST_SECOND) {
GST_WARNING ("pid 0x%04x PTS %" GST_TIME_FORMAT
" differs too much against DTS %" GST_TIME_FORMAT ", discarding it",
bs->pid, GST_TIME_ARGS (stream->pts), GST_TIME_ARGS (stream->dts));
stream->raw_pts = stream->raw_dts;
stream->pts = stream->dts;
return;
}
GST_LOG ("pid 0x%04x Stored PTS %" G_GUINT64_FORMAT, bs->pid, stream->pts);