[gstreamer-bugs] [Bug 625558] New: [basevideoencoder] [vp8] encoder timestamps are wrong when there are gaps

[GStreamer (bugzilla.gnome.o. <bug...@gn...>]

https://bugzilla.gnome.org/show_bug.cgi?id=625558
  GStreamer | gst-plugins-bad | git

           Summary: [basevideoencoder] [vp8] encoder timestamps are wrong
                    when there are gaps
    Classification: Desktop
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gst...@li...
        ReportedBy: zah...@gm...
         QAContact: gst...@li...
      GNOME target: ---
     GNOME version: ---


If there is a gap between segment start and timestamp of first incoming buffer,
then timestamp of outgoing buffer is wrong.

If there are any gaps elsewhere, say there are dropped frames in input, then
timestamp is also wrong on output buffer.

It looks like the incoming buffer timestamp is disregarded and just an
incrementing frame number counter with framerate taken into account is used.

Maybe the frame number should be computed not by incrementing but by using the
incoming buffer timestamp.

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