[mythtv-commits] Ticket #8500: more accurate audio timestamps

MythTV mythtv at cvs.mythtv.org
Sun May 30 12:00:30 UTC 2010

#8500: more accurate audio timestamps
 Reporter:  markspieth             |       Owner:  jyavenard 
     Type:  patch                  |      Status:  new       
 Priority:  minor                  |   Milestone:  unknown   
Component:  MythTV - Audio Output  |     Version:  Trunk Head
 Severity:  medium                 |     Mlocked:  0         

Comment(by jyavenard):

 The whole concept of the lockless audio framework was that timecode would
 be calculated in one thread only, not two (read and write). It's the
 reason why SetAudioTime was removed
 this patch breaks that, without having any of the required lock.

 There is no need to increase the size of the audio buffer by a factor of
 2, it will only cause seeking delays. Where does that requirement of 2.6s
 delay comes from?

 yes, there is a "race" in audiotime calc, but the worst case error is

 Will try to implement your timecode calculation cleanly and neatly soon.

Ticket URL: <http://svn.mythtv.org/trac/ticket/8500#comment:2>
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