[mythtv-users] DTS dropouts

[Rick Hudson]

On 21/04/2008 10:09 p.m., Ashley Bostock wrote:

> On 21/04/2008, Teet Niin <teet.niin at gmail.com> wrote:
>> 
>> I'm having similar issue when i try to play DTS audio track with Internal
>>  player. I get choppy sound every few seconds. DTS indicator stays always
>> on with my system. When i get chance to look what myth will show on
>> verbose mode...

I've never had sound I would call 'choppy'. Some (DTS) movies will play right 
through without a glitch, others I will get maybe 4 or 5 micro dropouts. I've 
only seen the termination frame problem happen either once in a movie (where 
you get a second or more of silence) or not at all.

> I've also seen DTS drop outs using Internal player from DVD play back, but
> from your log I don't think it's the same issue as mine... 
> http://svn.mythtv.org/trac/ticket/4576

I think they're related in that they're both shortcomings of the 
implementation but, no, they're not the exact some problem. The stuff in the 
trac ticket looks similar to this which I logged last night:

2008-04-21 19:41:13.584 AFD: DTS: Only 48kHz supported (sfreq 1)
2008-04-21 19:41:13.585 AFD: DTS: Only 48kHz supported (sfreq 1)
2008-04-21 19:41:13.585 AFD: DTS: 2496-sample bursts not supported
2008-04-21 20:20:19.894 AFD: DTS: Termination frames not handled (ftype 0)
2008-04-21 20:20:19.900 AFD: DTS: Only 48kHz supported (sfreq 1)
2008-04-21 20:20:19.900 AFD: DTS: Termination frames not handled (ftype 0)
2008-04-21 20:20:19.900 AFD: DTS: Only 48kHz supported (sfreq 1)
2008-04-21 20:20:19.900 AFD: DTS: 1312-sample bursts not supported

At least as far as the 48kHz thing is concerned, but you don't seem to get the 
unsupported burst length at the same time.

-- 
Rick Hudson
http://www.kpo.org.nz/                                        rick at kpo.org.nz