[FFmpeg-trac] #4134(avcodec:open): wmalossless: fix 24bit support

[FFmpeg]

#4134: wmalossless: fix  24bit  support
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             Reporter:  ami_stuff    |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  wmalossless  |               Blocked By:
  bounty                             |  Reproduced by developer:  1
             Blocking:               |
Analyzed by developer:  0            |
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Comment (by ami_stuff):

 Replying to [comment:11 v0lt]:
 > http://www.mediafire.com/listen/n08r66dkgc1tul4/9_2lossless_sample.wma
 > After 12 seconds of play in ffplay.exe noises appear.

 It looks like ffmpeg's wmalossless decoder (24bit 44khz mode) has problems
 with high amplitudes:

 org.wma - file encoded from org.wav
 org_0_99.wma - file encoded from org_0_99.wav

 ffmpeg -i org.wav -af "volume=0.99" org_0_99.wav

 What's also interesting: org.wma size vs org_0_99.wma size.

 https://www.datafilehost.com/d/491d926a

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Ticket URL: <https://trac.ffmpeg.org/ticket/4134#comment:12>
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