[Gnash-commit] [bug #45722] Gnash emitted loud screech after playing PCM audio object

[Nutchanon Wetchasit]

Follow-up Comment #18, bug #45722 (project gnash):

These are summary of result on current Gnash playing test files:
* FFmpeg/libAV backend:
** `pcmplay.swf`: played OK
** `pcmplay-stereo.swf`: played OK
** `pcmplay-8bit.swf: *played with weird wail followed*
** `pcmplay-stereo-8bit.swf`: *aborted, or crashed*
* GStreamer backend:
** `pcmplay.swf`: played OK
** `pcmplay-stereo.swf`: played OK
** `pcmplay-8bit.swf: played OK
** `pcmplay-stereo-8bit.swf`: *played with gibberish followed, or crashed*

For audio dumps from 8-bit PCM tests (including log message, and GDB
backtrace
when Gnash aborted or crashed), see the previously attached
`pcmplay-8bit_gnash0.8.11dev-775c5fe_diagnostic.zip`.

Gnash: 0.8.11dev (git 775c5fe 9-Sep-2015 with
`show-sound-decoding-diagnostic.patch`)
SDL: libsdl1.2debian 1.2.15-5 (debian)
libAV: libavcodec53 6:0.8.17-1 (debian), libavformat53 6:0.8.17-1 (debian),
libavutil51 6:0.8.17-1 (debian), libav-tools 6:0.8.10-1 (debian) 
GStreamer: libgstreamer0.10-0 0.10.36-1.2 (debian)
CSound: libcsound64-5.2 1:5.17.11~dfsg-3 (debian)
System: Debian GNU/Linux 7.0 Wheezy i386

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