[Bug 746781] Audio track that does not play correctly

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=746781

--- Comment #7 from Vincent Penquerc'h <vincent.penquerch at collabora.co.uk> ---
Seems the issue isn't to do with the sink as I first expected.

I get corrupt/missing sound with:

gst-launch-1.0 playbin uri=file:///home/v/Downloads/air-anaconda1080-sample.mkv
video-sink='fakesink sync=1' flags=2

But not with:

gst-launch-1.0 filesrc location=/home/v/Downloads/air-anaconda1080-sample.mkv !
matroskademux name=d  d. ! queue ! h264parse ! avdec_h264 ! fakesink d. ! queue
! fakesink  d. ! queue ! ac3parse ! a52dec ! audioconvert ! pulsesink

And I do get corrupt/missing sound with:

gst-play-1.0 --audiosink 'queue ! tee name=t ! queue ! pulsesink t. ! queue !
wavenc ! filesink location=out.wav'
file:///home/v/Downloads/air-anaconda1080-sample.mkv

Which doesn't involve an audio sink.

None of the cores seem maxed when I get the corrupt sound.

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