[mythtv-users] mythtranscode & Removing Commercials

Drew Tomlinson drew at mykitchentable.net
Sun Feb 15 02:46:47 UTC 2009


Mark Wormgoor wrote:
>
> --------------------------------------------------
> From: "Drew Tomlinson" <drew at mykitchentable.net>
> Sent: Saturday, February 14, 2009 5:32 PM
> To: <mythtv-users at mythtv.org>
> Subject: [mythtv-users] mythtranscode & Removing Commercials
>
>> I'm trying to remove commercials following the script at .  However the
>> commercials remain.  Please help me understand what steps I might be
>> missing.
>>
>> I start with this file:
>>
>> -rw-r--r-- 1 mythtv mythtv 4855732228 Feb 14 07:57
>> /tv2/record/2401_20090203210100.mpg
>>
>> I use the frontend to mark commercials and create a cutlist:
>>
>> mythcommflag --getcutlist -f /tv2/record/2401_20090203210100.mpg
>> 2009-02-14 08:21:56.878 Using runtime prefix = /usr
>> 2009-02-14 08:21:56.899 Empty LocalHostName.
>> 2009-02-14 08:21:57.019 New DB connection, total: 1
>> 2009-02-14 08:21:57.036 Closing DB connection named 'DBManager0'
>> 2009-02-14 08:21:57.041 New DB connection, total: 2
>> Cutlist:
>> 0-896,19457-23388,69559-75306,95427-99059,134951-140382,173228-184232,208510-212498
>>
>>
>> Then I run this to cut commercials:
>> mythtranscode --honorcutlist --showprogress -i
>> /tv2/record/2401_20090203210100.mpg
>> 2009-02-14 08:14:21.324 Using runtime prefix = /usr
>> 2009-02-14 08:14:21.369 Empty LocalHostName.
>> 2009-02-14 08:14:21.456 New DB connection, total: 1
>> 2009-02-14 08:14:21.472 Closing DB connection named 'DBManager0'
>> 2009-02-14 08:14:21.473 Enabled verbose msgs: important
>> 2009-02-14 08:14:21.479 New DB connection, total: 2
>> 2009-02-14 08:14:21.488 New DB connection, total: 3
>> 2009-02-14 08:14:21.548 Using protocol version 40
>> 2009-02-14 08:14:24.397 Transcode: Looking for autodetect profile:
>> Autodetect from 720p
>> 2009-02-14 08:14:24.456 Transcode: Using autodetect profile: MPEG2
>> 2009-02-14 08:14:24.456 Switching to MPEG-2 transcoder.
>> Mux rate: 20.36 Mbit/s
>> 2009-02-14 08:14:29.586 3.6% complete
>>
>> <snip>
>>
>> 2009-02-14 08:17:05.131 96.9% complete
>> $
>>
>> Yet the resulting file is actually a bit larger and still contains all
>> the commercials.
>>
>> -rw-r--r-- 1 mythtv mythtv 4855830532 Feb 14 08:17
>> /tv2/record/2401_20090203210100.mpg.tmp
>>
>> I'm using 0.21-fixes and this particular file is a 720p ATSC recording.
>> I have also had the same problem on a 1080i ATSC recording.  I have both
>> a HDHR and a pcHDTV 3000 tuner and could not tell you from which tuner
>> these were recorded (if it matters).  I have not tried with any
>> recordings captured via S-Video in on my PVR-250.
>
> From what I understand from the wiki, you can't use mythtranscode with
> a cutlist and the filename. You need to use the -s startime and -c
> channel paramters instead.

That was it.

Thanks,

Drew

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