[mythtv-users] Playback problem -- random short pauses

[Don Lewis]

On 23 May, Michael T. Dean wrote:
> On 05/23/2011 02:16 PM, Don Lewis wrote:
>> On 23 May, Michael T. Dean wrote:

>>> There are 3 types of pauses that occur during playback with current
>>> MythTV on a properly-configured system.  These are distinct and
>>> unrelated issues.  This thread has various users talking about the 3
>>> different issues and providing information that seems contradictory, but
>>> that is well explained by the fact that they're discussing very
>>> different things.  The 3 issues are:
>>>
>>> 1) Short pauses that occur when the UI thread is blocked during
>>> qapp-processEvents() call.  This is the at-recording-start/stop pauses I
>>> mention.  These will occur regardless of which decoder/renderer you use.
>>>
>>> 2) Short pauses that occur due to video buffer starvation due to a
>>> combination of ffmpeg demux (reading data from the file to pass to the
>>> decoder) and vdpau decode.  These pauses occur at "random" intervals
>>> during playback--even when nothing is happening on the backend or the
>>> frontend.  These can be worked around by not using VDPAU decode--instead
>>> use ffmpeg decode.
>>>
>>> 3) Short pauses that occur at Live TV program boundaries.  These may or
>>> may not be related to #1, and I know nothing at all about them because I
>>> don't use Live TV.
>> 4) Short pauses while watching a previously recorded program that occur
>> when mythbackend starts and/or stops recording.
>>
>> I have problems #1 and #4.
> 
> Ummm...  #1 is #4.  This pause occurs whether watching recordings in 
> progress or previously recorded.

Great!  I'm really glad to hear that the cause is known.  Is there a
ticket that I can use to follow the progress of a fix?