[Bug 770469] New: aacparse converts mpeg2 aac to mpeg4 aac unconditionally

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=770469

            Bug ID: 770469
           Summary: aacparse converts mpeg2 aac to mpeg4 aac
                    unconditionally
    Classification: Platform
           Product: GStreamer
           Version: 1.9.1
                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: ---

Created attachment 334261
  --> https://bugzilla.gnome.org/attachment.cgi?id=334261&action=edit
TS file with mpeg2 aac audio

aacparse element always converts mpeg2 aac to mpeg4 aac though it should
support mpeg2aac parsing as per the src & sink caps.

I have attahced the file. Following gst-launch pipeline demonstrates it on
1.9.1 on windows

e:\gstreamer\1.0\x86\bin>gst-launch-1.0.exe filesrc location=c:/temp/out.ts !
tsdemux ! aacparse ! fakesink -v
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
/GstPipeline:pipeline0/GstAacParse:aacparse0.GstPad:sink: caps = audio/mpeg,
mpegversion=(int)2, stream-format=(string)adts
/GstPipeline:pipeline0/GstAacParse:aacparse0.GstPad:src: caps = audio/mpeg,
framed=(boolean)true, mpegversion=(int)4, level=(string)2,
base-profile=(string)lc, profile=(s
tring)lc, rate=(int)48000, channels=(int)2, stream-format=(string)adts
/GstPipeline:pipeline0/GstFakeSink:fakesink0.GstPad:sink: caps = audio/mpeg,
framed=(boolean)true, mpegversion=(int)4, level=(string)2,
base-profile=(string)lc, profile=(
string)lc, rate=(int)48000, channels=(int)2, stream-format=(string)adts
Pipeline is PREROLLED ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
Got EOS from element "pipeline0".
Execution ended after 0:00:00.013933636
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
Freeing pipeline ...

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