[mythtv-users] A/V diverged by -3 frames
doug at ties.org
Mon Dec 27 14:57:14 UTC 2004
Christian Hack wrote:
> Using the libav option on mythfrontend (very recent CVS), I'm getting jerky
> playback on one channel (SBS for the Australians) which seems related to
> these error messages. It also seems that the pitch of the sound is off by
> small fraction - slightly deeper. Using video as timebase results in exactly
> the same result.
> Input #0, mpeg, from
> Stream #0.0: Video: mpeg2video, 720x576, 25.00 fps
> Stream #0.1: Audio: mp2, 48000 Hz, stereo, 192 kb/s
> 2004-12-27 21:50:04.916 Refresh rate: 16665, frame interval: 40000
This is at least part of your problem... your video is at 25Hz but your
screen is at 60 Hz. 50 or 75 Hz would work much better.
I would guess that maybe your soundcard is using 44100 Hz output as well?
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