[gstreamer-bugs] [Bug 604925] New: qtmux shouldn't accept adts aac

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=604925
  GStreamer | gst-plugins-bad | git

           Summary: qtmux shouldn't accept adts aac
    Classification: Desktop
           Product: GStreamer
           Version: git
        OS/Version: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: thiago.sousa.santos at collabora.co.uk
         QAContact: gstreamer-bugs at lists.sourceforge.net
      GNOME target: ---
     GNOME version: ---


When muxing aac, qtmux should only accept raw format. The problem here is how
to detect and expose that in the template caps.

Raw aac can be identified by the presence of codec_data in the caps, but there
is no way to signal that qtmux accepts aac caps if it has codec_data (whatever
that field contains).

I discussed this briefly with Tim and Mark and we have the following
ideas/suggestions:

1) Create a way to expose in template caps that an element needs a certain
field without specifying any values for it.

2) Add a new field to aac caps, something like framing/layout/format to
identify if it is ADTS or raw or whatever.

Apparently this same problem applies to h264.

Ideas? Votes?

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