[mythtv] Re: Ticket #900: HDTV at greater than 1.0 speed stutters

[Steve Adeff]

On Saturday 31 December 2005 20:52, Mark Spieth wrote:
> >> was this stuttering showing face in regular playback? I just updated to
> >> 8453
> >> and am noticing 1080i is stuttering on 1080i playback where I never had
> >> issue
> >> before.
> >
> > I am seeing stuttering at normal playback speeds with the latest svn.
> > Changing that read size did help, but does not eliminate it.
>
> if you are using my multi channel patch, I was seeing this with the 6
> channel audio.
> try upping the value 768000 in audiooutputbase.h. was ok for 2 channels
> originally and had to substantially increase it to eliminate stuttering for
> 6 channels. you should see audio data lost message if this is happening.
> mark

here's my output with 1080i 5.1 source with extra audio buffering enabled (ie 
what i was using before that worked fine. As for your patch, is it part of 
SVN?

2005-12-31 21:44:42.594 Broadcasting free space avail
2005-12-31 21:44:42.594 WriteAudio: Preparing 6144 bytes (1536 frames)
2005-12-31 21:44:42.594 Broadcasting free space avail
2005-12-31 21:44:42.594 WriteAudio: Preparing 6144 bytes (1536 frames)
2005-12-31 21:44:42.594 Broadcasting free space avail
2005-12-31 21:44:42.594 WriteAudio: Preparing 6144 bytes (1536 frames)
2005-12-31 21:44:42.594 audio waiting for space on soundcard: have 5792 need 
6144
2005-12-31 21:44:42.609 Broadcasting free space avail
2005-12-31 21:44:42.609 WriteAudio: Preparing 6144 bytes (1536 frames)
2005-12-31 21:44:42.609 audio waiting for space on soundcard: have 2560 need 
6144
2005-12-31 21:44:42.623 audio waiting for space on soundcard: have 5184 need 
6144
2005-12-31 21:44:42.641 Broadcasting free space avail
2005-12-31 21:44:42.641 WriteAudio: Preparing 6144 bytes (1536 frames)
2005-12-31 21:44:42.641 audio waiting for space on soundcard: have 2560 need 
6144
2005-12-31 21:44:42.654 audio waiting for space on soundcard: have 5024 need 
6144
2005-12-31 21:44:42.672 Broadcasting free space avail
2005-12-31 21:44:42.672 WriteAudio: Preparing 6144 bytes (1536 frames)
2005-12-31 21:44:42.673 Broadcasting free space avail
2005-12-31 21:44:42.681 Broadcasting free space avail
2005-12-31 21:44:42.695 Broadcasting free space avail
2005-12-31 21:44:42.703 Broadcasting free space avail
2005-12-31 21:44:42.713 Broadcasting free space avail
2005-12-31 21:44:42.722 Broadcasting free space avail

-- 
Steve