[FFmpeg-trac] #849(avcodec:closed): libvorbis: problem with odd sample rate

FFmpeg trac at avcodec.org
Fri Dec 30 19:43:36 CET 2011

#849: libvorbis: problem with odd sample rate
             Reporter:  ami_stuff   |                    Owner:
                 Type:  defect      |                   Status:  closed
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:  invalid
             Keywords:              |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
Changes (by Cigaes):

 * status:  new => closed
 * resolution:   => invalid
 * version:  unspecified => git-master
 * component:  undetermined => avcodec


 cigaes at hellroy /tmp $ oggenc -b 128 12345.wav
 Opening with wav module: WAV file reader
 Encoding "12345.wav" to
 at approximate bitrate 128 kbps (VBR encoding enabled)
 Mode initialisation failed: invalid parameters for bitrate
 zsh: exit 1     oggenc -b 128 12345.wav

 It works with {{{-b 64}}}: apparently it is a libvorbis limitation, that
 was brought into evidence when the default bitrate was changed from 64k
 (quite awful with real audio) to 128k.

 And it has nothing to do with the sample rate being odd, just it being to

 Why would you use fixed bitrate anyway?

 OTOH, error reporting from libvorbis is not good at all.

Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/849#comment:1>
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