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

[Nicolas Plourde]

On 10-Aug-07, at 4:35 AM, ? ? wrote:

>
> 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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>> MPlayer-dev-eng at mplayerhq.hu
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>
>
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I also dont have a decoder to test this patch. I suppose you could  
cross compile mplayer for ppc and run it through rosetta emulation.

====
Nicolas Plourde <nicolas.plourde at gmail.com>