[mythtv-users] Video too slow on some mpeg2's (actually layer 1 audio problem)
Ken Mandelberg
km at mathcs.emory.edu
Sun Feb 24 00:29:11 UTC 2008
I posted recently about a problem with using the internal player with
mpeg2's imported from an HD Tivo. They played properly with
mplayer/xine/vlc, but not the internal player. I described it as slow
video since the internal player was dropping frames and getting behind
the audio.
I thought the problem was the resolution which was a little different
than the HD streams captured directly on myth.
As it turns out, thats not it. It the audio. The Tivo mpeg2's have
Audio : Mpeg 1 layer 1
free bitrate 44100 Hz
while the internally captured streams are
Audio : Mpeg 1 layer 3
192 kbps 32000 Hz
I can get around the problem by transcoding which will convert it to
layer 3, but thats expensive and I would rather process the video as
little as possible.
Is there a way to get the internal player to deal with this format of
audio correctly (since the other players do). Is it a bug?
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