[mythtv-commits] Ticket #3274: Lossless/MPEG2 transcode doesn't work on HD recordings

MythTV mythtv at cvs.mythtv.org
Mon Mar 3 18:31:03 UTC 2008


#3274: Lossless/MPEG2 transcode doesn't work on HD recordings
---------------------------+------------------------------------------------
 Reporter:  xris           |        Owner:  ijr    
     Type:  defect         |       Status:  new    
 Priority:  minor          |    Milestone:  unknown
Component:  mythtranscode  |      Version:  head   
 Severity:  medium         |   Resolution:         
  Mlocked:  0              |  
---------------------------+------------------------------------------------

Comment(by robert.mcnamara at gmail.com):

 While we (hopefully) work towards a more permanent solution, I have found
 a workaround that basically works. I have written a script that demuxes
 and remuxes the broken recordings, resulting in a file that does, finally,
 work with myth's lossless transcode. I've put it on my talk page at the
 mythtv wiki:

 http://www.mythtv.org/wiki/index.php/User_talk:Iamlindoro

 This is the first solution that I know of that doesn't use a Windows
 program through Wine. ProjectX has never worked for me, but this appears
 to work consistently. Read the comments on the script carefully. You will
 need to compile one tiny prerequisite, and will also need ffmpeg. The
 script should be set up as a user job, and I personally run in on all
 recordings from my Firewire source. There is no quality loss involved as
 there is no real transcoding, just demux/remux. I use mythtranscode to
 rebuild the index of the file (mythcommflag --rebuild doesn't work
 properly) but no quality is lost there. The resultant file can be marked
 and losslessly transcoded successfully. Obviously the elegant solution is
 to get mythtranscode fixed, but this is working for me in the meantime.

-- 
Ticket URL: <http://svn.mythtv.org/trac/ticket/3274#comment:4>
MythTV <http://svn.mythtv.org/trac>
MythTV


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