[Bug 770704] New: aacparse assumes the stream-format to be raw when there is codec_data

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Thu Sep 1 12:50:34 UTC 2016


https://bugzilla.gnome.org/show_bug.cgi?id=770704

            Bug ID: 770704
           Summary: aacparse assumes the stream-format to be raw when
                    there is codec_data
    Classification: Platform
           Product: GStreamer
           Version: 1.9.2
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: jagadishkamathk at gmail.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

aacparse assumes the stream-format to be raw when there is codec_data. This is
not correct. Encoder might want to send codec_data even when the stream is loas
or adts, with codec data containing audio specific parameters as per different
subparts 14496-3

Following is the code which sets it

  /* This is needed at least in case of RTP
   * Parses the codec_data information to get ObjectType,
   * number of channels and samplerate */
  value = gst_structure_get_value (structure, "codec_data");
  if (value) {
....
....
      aacparse->header_type = DSPAAC_HEADER_NONE;
....
....

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