[vlc-devel] playing AC3 audio files

Rémi Denis-Courmont remi at remlab.net
Wed Dec 2 16:47:31 CET 2009

On Wed, 2 Dec 2009 14:00:53 +0000, Mohamed AbdElwahed
<mohameeed2010 at hotmail.com> wrote:
> i cross-compiled(to ARM) liba52 and link it with VLC (which also
> cross-compiled to ARM) but when i try to play AC3 audio files. the heared
> sound is not clear and it seems like it contains noise beside the
> sound. also VLC report this message at run time "No accelerated IMDCT
> transform found". i googled and know that this message related to a fast
> fourier transform library(djbfft-0.76.tar.gz) that useful for pentium
> processors and i thing i does not need it, AM I right !
> any help is highly appreciated.

Make sure you compiled both liba52 and the VLC a52 plugin in fixed-point

If those are mismatched, you will get horrible background noise. And if
both are floating point, you will get horrible CPU slowness.

Rémi Denis-Courmont

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