[Bug 652155] New: [ffmpegdec] generates invalid timestamps for audio streams

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=652155
  GStreamer | gst-ffmpeg | git

           Summary: [ffmpegdec] generates invalid timestamps for audio
                    streams
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Mac OS
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-ffmpeg
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: matej.knopp at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=189509)
 View: https://bugzilla.gnome.org/attachment.cgi?id=189509
 Review: https://bugzilla.gnome.org/review?bug=652155&attachment=189509

Simple patch

(Note, this only concerns audio decoding)

gstffmpegdec uses input buffer timestamp for output if the timestamp is valid
(gst_ffmpegdec_audio_frame), but that's not always correct because
AVCodecParser has internal buffer, so the actual data on the output might be
coming from buffer that has been read in previous iterations. Simple patch
attached.

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