[MPlayer-users] Pulsing static sound with -ac hwac3 in Mac OS X

Marcus Svensson macke at illion.se
Sun Mar 4 22:54:58 CET 2007


Guillaume POIRIER wrote:
> Hi,
> 
> On 3/4/07, Marcus Svensson <macke at illion.se> wrote:
>> Guillaume POIRIER wrote:
>> > Hi,
>> >
>> > On 3/4/07, Marcus Svensson <macke at illion.se> wrote:
>> >> I have a problem getting AC3 passthrough to work. With the command 
>> line
>> >> option -ac hwac3 set all I get is a nasty pulsing static sound.
>> >>
>> >> The log tells me:
>> >>
>> >> Forced audio codec: hwac3
>> >> Opening audio decoder: [hwac3] AC3/DTS pass-through S/PDIF
>> >> No accelerated IMDCT transform found
>> >> hwac3: switched to AC3, 384000 bps, 48000 Hz
>> >> AUDIO: 48000 Hz, 2 ch, ac3, 384.0 kbit/25.00% (ratio: 48000->192000)
>> >> Selected audio codec: [hwac3] afm: hwac3 (AC3 through S/PDIF)
>> >> 
>> ========================================================================== 
>>
>> >>
>> >> AO: [macosx] 48000Hz 2ch ac3 (1 bytes per sample)
>> >>
>> >> Any suggestions?
>> >
>> > I don't think hwac3 is supposed to work on OSX, sorry :(
> 
>> Is there any way to get spdif passthrough to work in OS X then?
>>
>> It works fine in VLC.
> 
> I don't know. I don't have any audio setup that allows me to enjoy
> SPDIF, so I never was able to test it. It just seems like no one
> managed to port/fix hwac3 so that it works on OSX.

Ok, I see. Let me know if you need a tester. It would be nice to get it 
working.

/Marcus



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