[FFmpeg-devel] [PATCH] 8 channel layout fix for Vorbis decoder

Frank Barchard fbarchard
Wed Nov 4 02:52:59 CET 2009

On Tue, Nov 3, 2009 at 5:33 PM, Jason Tackaberry <tack at urandom.ca> wrote:

> On Tue, 2009-11-03 at 20:10 -0500, Justin Ruggles wrote:
> > How about using AVCodecContext.request_channel_layout?  I don't agree
> > with unconditionally assuming channel layouts that are not in the
> > specification.  But I think adding support for reordering common layouts
> > when requested would be fine.
> In practice, ffmpeg is currently already assuming a channel layout
> that's not in the specification anyway.
> I think the patch moves the default behaviour for 8 channel content much
> closer to the realm of objectively sane.  I can't fathom anyone would
> expect or desire the current behaviour when passing it 8 channel Vorbis
> content.

This layout sounds sensible.  But mainly it would help if Vorbis were the
same as AAC.

More information about the ffmpeg-devel mailing list