[mythtv] [PATCH] high speed smooth video v2
Rob Rosenfeld
mythtv.org at rosenfeld.to
Tue Apr 19 11:37:36 UTC 2005
Ashley Bostock wrote:
>After upgrading cvs to 0.18 I found that I had to turn off "use video
>as timebase" otherwise I would get the slow then fast then slow,
>etc... video.
>
>On 4/19/05, Rob Rosenfeld <mythtv.org at rosenfeld.to> wrote:
>
>
>>Mark Spieth wrote:
>>
>>
>>
>>>still looking at this. not enough time in the day.
>>>not sure why its jerky but also seems to happen at x1 for me so must be
>>>something fundamental.
>>>wont be a recording thing.
>>>not in CVS yet.
>>>all it was supposed to do is drop frames from being rendered to allow less
>>>CPU to do faster playback rates.
>>>must have something to do with the way XV interacts but this is only
>>>speculation until I do some more timing analysis.
>>>happens for at least usleep and RTC vsyncs.
>>>I suspect yours is a different problem. timestamp related.
>>>cheers
>>>mark
>>>
>>>
>>>
>>>
>>>
>>>>Did this get applied? I just built CVS tonight and am seeing what seems
>>>>to be the same behavior. Live TV is trying to play at double speed.
>>>>So, roughly 1/2 the time it's fast and 1/2 the time it's stuck in a
>>>>prebuffer pause. Setting timestretch to 50% helps, but doesn't correct
>>>>it.
>>>>
>>>>Old recordings I have still playback at the proper speed. Don't have a
>>>>new recording yet to check out.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>>
Changing that setting has no effect for me.
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