[Bug 740575] Fixing DTS in GStreamer

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Thu Mar 19 11:42:19 PDT 2015


https://bugzilla.gnome.org/show_bug.cgi?id=740575

--- Comment #50 from Matej Knopp <matej.knopp at gmail.com> ---
So, now about the CollectPads. We need to have a way to represent negative DTS
on buffer that gets into the muxer (after the collect pads clipping function is
done with it).

Could we maybe negate the DTS and set a special flag on buffer? 

i.e. instead of doing GST_BUFFER_DTS(buf) = -3, do
GST_BUFFER_DTS(buf) = 3 and GST_BUFFER_FLAG_SET(buf,
GST_BUFFER_FLAG_NEGATE_DTS)

The caveat here is that the flag would only be set by CollectPads. No elements
other than muxers should be expected to deal with negated DTS.

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