[Bug 38421] Windows Media Player 9 & 10: mp3 sound plays too fast

wine-bugs at winehq.org wine-bugs at winehq.org
Mon Jun 19 14:26:02 CDT 2017


https://bugs.winehq.org/show_bug.cgi?id=38421

Zebediah Figura <z.figura12 at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |z.figura12 at gmail.com

--- Comment #9 from Zebediah Figura <z.figura12 at gmail.com> ---
Created attachment 58481
  --> https://bugs.winehq.org/attachment.cgi?id=58481
PATCH: Use nAvgBytesPerSec to calculate length

There are two different unrelated bugs here, although I suspect only one was
actually encountered. The first is that .wav files encoded with mp3 played too
fast at a constant rate. This should be fixed by the attached patch, which I
have submitted to wine-patches as well.

The second and probably more relevant bug, which affects plain .mp3 files,
stems from something removing silence from the audio. The program first
converts the mp3 to wav via msacm, and this works correctly, however, the
samples it passes in to DirectShow have any sound quieter than some level
truncated out. I would guess that the program is doing this, and not WINE, but
I have no idea why.

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