[FFmpeg-cvslog] r24892 - trunk/libavcodec/aacpsy.c

Carl Eugen Hoyos cehoyos
Mon Aug 30 12:56:48 CEST 2010

Nathan Caldwell <saintdev <at> gmail.com> writes:

> > ffmpeg -i appletrailer.mov -ab 256k test.aac
> > ffmpeg -i dvbrecording.ts -ab 256k test.aac
> >
> > Both sound ok with r24891, both sound heavily distorted with 24892.
> >
> > Does it work fine for you?
> I'm looking into this. Do note, that stereo encoding is known to be
> broken, even with the old 3GPP attack detection, it gives very poor
> results!
> My first hunch is it is a bug in stereo handling when common windows
> are NOT used.

Since I also get heavily distorted output with 5.1, I will revert this patch if
nobody objects.

(With the patch reverted, native aac decoder can be used with high bitrate for
all kind of mov A/V sync tests, atm it basically produces noise.)

Carl Eugen

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