[MEncoder-users] Audio/Video Sync Issue

llarevo at gmx.net llarevo at gmx.net
Tue Jun 19 12:47:16 CEST 2012


Hi, 

I have the same problems with dvb-t-captureing using the 1.1 release as
reported by Linux <linux at thehoytfamily.com> on 2012-06-01. The problem
occured the first time when upgrading to Fedora 16. MPlayer-1.0rc4 is
working well in F16, but i couldn't get it to compile in F17.

There seams to be some issue with the detection of duplicate frames. The
output of the 1.1 release while capturing is

http://pastebin.com/TfRvWpFp

Every 10th frame is marked as duplicate, the framrate remains at about
22 fps.

For comparison the output of an older working mencoder release is 

http://pastebin.com/p8nQLGEx

After 102 frames there are no more duplicate frames and the framerate
rises to 25 fps.

I tried the options

mpegopts=format=dvdmpeg2:tsaf=1:vframerate=25:muxrate=10000:vbitrate=10000
noskip=1
fps=25
ofps=25
mc=0
vf=softskip,harddup

in different combinations, none worked. What to do next? Can anybody
help?

Regards
--
Felix



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