[FFmpeg-devel] Make Vorbis encoder not invert samples

Frank Barchard fbarchard
Sat May 22 01:51:29 CEST 2010

On Fri, May 21, 2010 at 4:11 PM, Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:

> Carl Eugen Hoyos <cehoyos <at> ag.or.at> writes:
> > M?ns Rullg?rd <mans <at> mansr.com> writes:
> >
> > > This was done in r7873.  I have no idea why.
> >
> > (Without looking at svn-log)
> > To match the behaviour of the decoder at the time?
> (Looking at svn-log)
> Perhaps related to r18878?

Looks likely, yes.  If you use libvorbis or oggenc to encode, and vorbis to
decode, the samples are normal.
If you use vorbis to encode, and vorbis to decode, they're inverted.
There is no libvorbis decoder at the moment.

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