[mythtv-users] Transcoding hdpvr output?

bob dolet bgcladd at gmail.com
Tue Apr 7 08:43:01 UTC 2009


Hello everyone, i recently setup an hdpvr using mythtv trunk and seem to
have everything working great, except for the life of me i cannot figure out
how to transcode the hdpvr files. There are two things i would like to do to
each newly recorded show: 1) Cut the commercials out but retain full
quality, 2) cut commercials and transcode to lower resolution h264 or xvid
for playback on xbox's running xbmc. I have tried the mythnuv2mkv.sh script,
but it errors with this output on each attempt:

mythnuv2mkv.sh --chanid=1060 --starttime=20090403100000
05/04,23:40 [3129] INFO 1060 20090403100000 matches The Daily Show With Jon
Stewart    Tom Zoellner (/media/terabyte/mythtv//1060_20090403100000.mpg)
05/04,23:40 [3129] INFO Unknown 0x0 16:9 (Found in Channel) 59.940 FPS Audio
Rate 48000 Channels 2
05/04,23:40 [3129] INFO Output is a greater scale than input. This is not
sensible.
05/04,23:40 [3129] INFO Crop to -16:-16:8:8. Scale to 624x352.
05/04,23:40 [3129] INFO MENCODEROPTS: -ovc lavc -lavcopts
vcodec=mpeg4:threads=1:mbd=2:trell:v4mv:last_pred=2:dia=-1:vmax_b_frames=2:vb_strategy=1:cmp=3:subcmp=3:precmp=0:vqcomp=0.6:vbitrate=1156
    -oac mp3lame -lameopts vbr=2:br=192     -vf
crop=-16:-16:8:8,scale=624:352,harddup -sws 7 .
05/04,23:40 [3129] START Starting lavc 1st video pass trans of
/media/terabyte/mythtv//1060_20090403100000.mpg. vbr 1156 abr 192.
2009-04-05 23:40:29.752 Using runtime prefix = /usr/local
2009-04-05 23:40:29.752 Empty LocalHostName.
2009-04-05 23:40:29.761 New DB connection, total: 1
2009-04-05 23:40:29.764 Closing DB connection named 'DBManager0'
2009-04-05 23:40:29.764 Enabled verbose msgs: important
2009-04-05 23:40:29.765 New DB connection, total: 2
2009-04-05 23:40:29.780 Using protocol version 44
2009-04-05 23:40:29.811 [h264 @ 0x7fdad9731300]mmco: unref short failure
2009-04-05 23:40:30.012 [h264 @ 0x7fdad9731300]mmco: unref short failure
2009-04-05 23:40:30.012 [h264 @ 0x7fdad9731300]B picture before any
references, skipping
2009-04-05 23:40:30.012 [h264 @ 0x7fdad9731300]decode_slice_header error
2009-04-05 23:40:30.012 [h264 @ 0x7fdad9731300]no frame!
2009-04-05 23:40:30.012 AFD Error: Unknown decoding error
2009-04-05 23:40:30.013 [h264 @ 0x7fdad9731300]B picture before any
references, skipping
2009-04-05 23:40:30.013 [h264 @ 0x7fdad9731300]decode_slice_header error
2009-04-05 23:40:30.013 [h264 @ 0x7fdad9731300]no frame!
2009-04-05 23:40:30.013 AFD Error: Unknown decoding error
2009-04-05 23:40:30.013 [h264 @ 0x7fdad9731300]B picture before any
references, skipping
2009-04-05 23:40:30.013 [h264 @ 0x7fdad9731300]decode_slice_header error
2009-04-05 23:40:30.013 [h264 @ 0x7fdad9731300]no frame!
2009-04-05 23:40:30.013 AFD Error: Unknown decoding error
2009-04-05 23:40:30.030 [h264 @ 0x7fdad9731300]mmco: unref short failure
2009-04-05 23:40:30.032 mythtranscode: 0% Completed @ -22.2222 fps.
MEncoder dev-SVN-r26940 (C) 2000-2008 MPlayer Team
CPU: Intel(R) Core(TM)2 Quad CPU    Q6600  @ 2.40GHz (Family: 6, Model: 15,
Stepping: 11)
CPUflags: Type: 6 MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled with runtime CPU detection.
The w option must be >= 1: 0


Thank you for any help!
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