[mythtv-users] Deleting commercials and transcoding

[J. Donavan Stanley]

Matthew M Murphy wrote:

>On Fri, 6 Feb 2004, J. Donavan Stanley wrote:
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>>Matthew M Murphy wrote:
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>>>On Fri, 6 Feb 2004, J. Donavan Stanley wrote:
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>>>>malcolm-mythtv wrote:
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>>>>>On Thursday 05 February 2004 09:55 pm, Robert Kulagowski wrote:
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>>>>>>These are MythTV features.
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>>>>>That sounds good.  I tried playing around with it some to figure it out.
>>>>>keys.txt leaves a lot to the imagination.  I assume to edit commercials out
>>>>>of a file you go to "watch recordings" and then select a recording?  Then
>>>>>when it's playing hit "m" which brings up a progress bar at the bottom of the
>>>>>screen.  I then hit Z to load the commercial list.  From there it gets kinda
>>>>>iffy and I'm not sure what more to do?
>>>>>
>>>>>Also since I record with a pvr-250 card can commercials be cut out of the
>>>>>mpeg2 file without having to re-transcode?
>>>>>
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>>>>Marking commercials and marking cutpoints are two different things.  You
>>>>turn on commcercial flagging in the setup section of the frontend.
>>>>
>>>>The "m" key lets you mark cut points (sections to be skipped over during
>>>>playback / transcode).  You can load your automagicly marked commercials
>>>>as cutpoints, tweak them and what not.  Pressing the space bar while in
>>>>this edit mode allows you to mark a point as a cut point.  You block out
>>>>sections by creating high/low water marks of "Delete after this frame" /
>>>>"delete before this frame" cutpoints.
>>>>
>>>>If you press "X" during playback it will mark the file to be
>>>>transcodeded to MPEG4 (in your case).  Anything marked with the cutlist
>>>>will be removed from the transcoded file.
>>>>
>>>>Right now there's no good way to transcode from MPEG2 to MPEG2 and
>>>>remove commercials.  There's some rough code in CVS but it was some
>>>>issues that need resolved before it's usable.  (Which is one of the
>>>>reasons I've not finished the DVD modules yet)
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>>>Where does the MPEG4 version end up when you press X?  Do you need to have
>>>the MPEG4 transcoding profile set up in order for this to work?
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>>Well you already have an MPEG4 profile setup it's just the default one...
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>>As for where it goes, it replaces your MPEG2 recording, though you can
>>tell it to keep the old copy.
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>
>Thanks for the info.  How would one tell if an .nuv file is an MPEG2 or
>MPEG4 file?
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 From within MythTV I don't think there is a way. .  From the command 
line use "file <path/to/nuv>"