[mythtv-users] Mythtranscode and H.264

[belcampo]

Robert wrote:
> Hi,
> 
> Trying to losslessly transcode BBC HD h.264 -> h.264 to cut the start and
> end from a recording.  Mythtranscode dies saying  "Unknown video codec:
> H.264" (more log stuff below)
> 
> Reading this thread from a few months ago
> [http://www.gossamer-threads.com/lists/mythtv/users/325822] it "doesn't
> work".  I was wondering if anything was being done to make it work?  Or is
> there another way I can chop up H.264 recordings?
The way I do it:
ffmpeg -i source.mpg -vcodec copy -acodec copy -f mpeg 
source-withtimestamps-thatstartatzero.mpg
ffmpeg -i source-withtimestamps-thatstartatzero.mpg -ss first 
calculatetime(4611/25) -vframes firstcalculate(16586-4611) -vcodec copy 
-acodec copy -f mpeg choppedup.mpg
> 
> Thanks,
> Robert.
> 
> 
> 2008-08-11 19:29:03.952 Transcoding from
> /store/mythtv/recordings/7940_20080810224700.mpg to
> /store/mythtv/recordings/7940_20080810224700.mpg.tmp
> 2008-08-11 19:29:03.960 Connecting to backend server: 192.168.0.104:6543
> (try 1 of 5)
> 2008-08-11 19:29:03.965 Using protocol version 40
> 2008-08-11 19:29:03.966 MainServer::HandleAnnounce Monitor
> 2008-08-11 19:29:03.973 adding: quad as a client (events: 0)
> 2008-08-11 19:29:03.986 MainServer::HandleAnnounce Monitor
> 2008-08-11 19:29:03.997 adding: quad as a client (events: 1)
> 2008-08-11 19:29:04.230 AFD: Opened codec 0xb3d20fb0, id(H264) type(Video)
> 2008-08-11 19:29:04.236 AFD: codec MP3 has 2 channels
> 2008-08-11 19:29:04.237 AFD: Opened codec 0xb3d215a0, id(MP3) type(Audio)
> 2008-08-11 19:29:04.237 AFD: codec AC3 has 2 channels
> 2008-08-11 19:29:04.238 AFD: Opened codec 0xb3d276d0, id(AC3) type(Audio)
> 2008-08-11 19:29:04.256 Honoring the cutlist while transcoding
> 2008-08-11 19:29:04.257 Cutlist        : 0-4611,16586-19428
> 2008-08-11 19:29:04.267 Original Length: 19428 frames
> 2008-08-11 19:29:04.268 New Length     : 11975 frames
> 2008-08-11 19:29:04.269 Found video height of 1088.  This is unusual and
> more than likely the video is actually 1080 so mythtranscode will treat it
> as such.
> 2008-08-11 19:29:04.281 SampleRate: Attempted to add a rate 32000 Hz,
> which is not in the list of allowed rates.
> 2008-08-11 19:29:04.283 Unknown video codec: H.264
> 2008-08-11 19:29:04.284 Transcoding
> /store/mythtv/recordings/7940_20080810224700.mpg failed
> 2008-08-11 19:29:04.305 Deleting
> /store/mythtv/recordings/7940_20080810224700.mpg.tmp
> 2008-08-11 19:29:04.315 JobQueue: Transcode Errored: A LIttle Later: KT
> Tunstall: High Quality (exit status 255, job status was "Errored")
> 
> _______________________________________________
> mythtv-users mailing list
> mythtv-users at mythtv.org
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users