[Bug 757472] New: Invalid channel positions with headerless wav file

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=757472

            Bug ID: 757472
           Summary: Invalid channel positions with headerless wav file
    Classification: Platform
           Product: GStreamer
           Version: 1.6.1
                OS: All
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: happylogin at gmail.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

Created attachment 314632
  --> https://bugzilla.gnome.org/attachment.cgi?id=314632&action=edit
An example wav file that I have tested with

I have tried to playback several WAV files that are mono, PCM but gstreamer can
not playback properly. There are various mono audio files that I have tried but
couldn't find success case yet, the attachment file is an example for this
case.
I can not 100% sure but just guess those files are all "headerless pcm .wav
file".

Test case 1) problematic pipeline
 gst-launch-1.0 filesrc location=./infloop.wav ! decodebin ! audioconvert !
volume ! autoaudiosink

Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...

** (gst-launch-1.0:7333): WARNING **: Invalid channel positions

** (gst-launch-1.0:7333): WARNING **: Invalid channel positions
ERROR: from element
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstWavParse:wavparse0: Internal
data flow error.
Additional debug info:
gstwavparse.c(2249): gst_wavparse_loop ():
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstWavParse:wavparse0:
streaming task paused, reason not-negotiated (-4)
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...

** (gst-launch-1.0:7333): WARNING **: Invalid channel positions
Freeing pipeline ...


Test case 2) gstreamer makes sound but sounds *really* bad comparing other
audio player
gst-launch-1.0 filesrc location=./infloop.wav ! decodebin ! autoaudiosink

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