[MPlayer-dev-eng] [PATCH] AC3/DTS passthrough on big endian system, not test

? ? ulion2002 at msn.com
Fri Aug 10 10:35:22 CEST 2007


yes, I think it's the only way.

a big endian system with audio digital output connected with an external 
audio decoder are needed to do the test.

I has a creative decoder, but only has a mac intel system, so big endian 
situation is not tested.

>From: Guillaume Poirier <gpoirier at mplayerhq.hu>
>Reply-To: mplayer-dev-eng at mplayerhq.hu
>To: mplayer-dev-eng at mplayerhq.hu
>Subject: Re: [MPlayer-dev-eng] [PATCH] AC3/DTS passthrough on big endian 
>system, not tested.
>Date: Fri, 10 Aug 2007 09:55:31 +0200
>
>Hey,
>
>? ? wrote:
> > this patch is for test, it also include code to identity more type of
> > dts streams (14bits, 16bits, little endian, big endian).
> >
> > main change to make passthrough work on big endian system, is accounding
> > sources of vlc, when passthrough, the bytes of ac3/dts passthrough
> > header should also be swapped. as I known, vlc passthrough works fine on
> > G4/G5 machines. so for mplayer passthrough work on bit endian system,
> > this patch is probably necessary althrough it not being tested on real
> > big endian machine. PLEASE TEST IT!
>
>Am I right to understand that passthrough can only be tested by
>connecting the computer's digital out connector to an external
>dolby/DTS decoder (hooked to a hifi stereo) and verify that sounds
>come out of it?
>
>Guillaume
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