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

Marcus Svensson macke at illion.se
Sun Mar 4 19:59:31 CET 2007


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?

/Marcus



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