[FFmpeg-devel] [PATCH] libspeex Speex encoding

Justin Ruggles justin.ruggles
Sun Oct 25 14:04:45 CET 2009


Hi,

This patch combines parts of my previous libspeex encoding patch with
parts of the one sent by Art Clarke.

The rate control is not as intuitive to use as I would like, but it
works.  libspeex has the option to have the library choose a CBR bitrate
based on a quality setting.  Providing that option doesn't really fit
well into our current system since there is no way to tell if the user
is specifying CBR quality or VBR quality.  So instead it just uses
bitrate for CBR and quality for VBR like our other audio encoders.  The
default bitrate of 64kbps is higher than the maximum Speex bitrate, so
at least it will be good quality by default.

Thanks,
Justin

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