[mythtv-commits] Ticket #2539: Mac OS X doesn't correctly handle AC3 Passthru

MythTV mythtv at cvs.mythtv.org
Fri Oct 6 02:33:20 UTC 2006

#2539: Mac OS X doesn't correctly handle AC3 Passthru
 Reporter:  awk at awkward.org  |       Owner:  ijr    
     Type:  defect           |      Status:  new    
 Priority:  minor            |   Milestone:  unknown
Component:  mythtv           |     Version:  0.20   
 Severity:  medium           |  
 The attached patch to audiooutputca.h and new audiooutputca.cpp implements
 AC3/SPDIF passthru on those Macintoshes with appropriate hardware (e.g.
 Intel & PPC Minis, iMac's, G5's and Mac Pro's). It may well also work on
 other audio devices that support a co-axial or fibre-optic SPDIF
 connector, make the device your default output device in the Audio MIDI
 Settings utility app and try.

 Note that if you enable AC3/SPDIF Passthru in the settings but do NOT have
 a SPDIF connection to an external decoder you're quite likely to hear
 potentially damaging to your hearing (depending on level) amounts of
 'noise' (undecoded AC3 data) through either your headphones, built-in
 audio or analog external speakers.

Ticket URL: <http://svn.mythtv.org/trac/ticket/2539>
MythTV <http://www.mythtv.org/>

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