[FFmpeg-trac] #6585(avcodec:new): Transcode audio to ADPCM for XAudio

FFmpeg trac at avcodec.org
Sun Aug 13 03:10:33 EEST 2017

#6585: Transcode audio to ADPCM for XAudio
             Reporter:  nkast        |                     Type:
               Status:  new          |  enhancement
            Component:  avcodec      |                 Priority:  normal
             Keywords:  ADPCM        |                  Version:
  XAudio  BLOCK_SIZE                 |  unspecified
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
 We are trying to trans-code audio into ADPCM format (codec: adpcm_ms) for
 use by XAudio (DirectX SDK).

 The problem is that XAudio seems to require adpcm blocks of size
 32,64,128,256 or 512. FFmpeg always generates blocks of 1024.

 It would be nice if there was a parameter for adpcm_ms to set the

Ticket URL: <https://trac.ffmpeg.org/ticket/6585>
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