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codectimestamper: never set DTS to NONE

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If we want to avoid the DTS going backward, then we can set DTS to
last_dts as a last resort.

Log a warning in this case

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7033>
This commit is contained in:
Mathieu Duponchelle 2024-05-31 13:07:51 +02:00 committed by Backport Bot
parent f4852a2d8b
commit bb726c7eef
1 changed files with 5 additions and 2 deletions
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7
subprojects/gst-plugins-bad/gst/codectimestamper/gstcodectimestamper.c
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@ -444,8 +444,11 @@ gst_codec_timestamper_output_frame (GstCodecTimestamper * self,
if (dts > frame->pts) {
if (frame->pts >= priv->last_dts)
dts = frame->pts;
else
dts = GST_CLOCK_TIME_NONE;
else {
GST_WARNING_OBJECT (self,
"Setting DTS to last DTS to avoid PTS < DTS and backward DTS");
dts = priv->last_dts;
}
}
if (GST_CLOCK_TIME_IS_VALID (dts))