[FFmpeg-trac] #8918(avcodec:new): ape 24bit decode error

FFmpeg trac at avcodec.org
Sun Oct 4 17:33:31 EEST 2020


#8918: ape 24bit decode error
-------------------------------------+-------------------------------------
             Reporter:  ajax16384    |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:  avcodec      |                  Version:
                                     |  unspecified
             Keywords:  ape monkey   |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 ffmpeg contains ape decoder which can not properly handle 24bit
 How to reproduce:
 {{{
 latest Monkey audio cli 5.55

 MAC.exe cut.wav cut.ape -c5000

 MAC.exe cut.ape cut_mac.wav -d

 ffmpeg.exe -i cut.ape -c:a pcm_s24le cut_ffmpeg.wav

 cut_mac.wav - equals to source cut.wav
 cut_ffmpeg.wav - contains garbage

 ffmpeg version N-99456-g45070eec4c Copyright (c) 2000-2020 the FFmpeg
 developers
 built with gcc 9.3-win32 (GCC) 20200320
 }}}

 It seems ffmpeg contains outdated apedecoder which unable to handle non
 16bit properly.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/8918>
FFmpeg <https://ffmpeg.org>
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