[Bug 729317] New: ges-launch: error when transcoding ogg vorbis to matroska flac audio

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=729317
  GStreamer | gst-editing-services | 1.2.0

           Summary: ges-launch: error when transcoding ogg vorbis to
                    matroska flac audio
    Classification: Platform
           Product: GStreamer
           Version: 1.2.0
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-editing-services
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: stefanha at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=275525)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=275525)
8 second 440 Hz sine wave with 44.1 kHz sample rate, generated by Audacity

When a ogg audio clip is placed twice the following error happens:

$ ges-launch-1.0 --outputuri output.mkv --track-types audio --format
video/x-matroska:audio/x-flac,channels=1,rate=44100 /tmp/sine.ogg 0 5
/tmp/sine.ogg 5 5
Adding clip file:///tmp/sine.ogg inpoint:0:00:00.000000000
duration:0:00:05.000000000
Adding clip file:///tmp/sine.ogg inpoint:0:00:05.000000000
duration:0:00:05.000000000
ERROR from element flacenc0: received more encoded samples 4608 than provided
1388
Debugging info: gstaudioencoder.c(882): gst_audio_encoder_finish_frame ():
/GESPipeline:gespipeline0/GstEncodeBin:internal-encodebin/GstFlacEnc:flacenc0

Note the error does not happen if the clip is just used once.

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