[mythtv-users] Transcoding HD-PVR Recordings

Brian Wood beww at beww.org
Mon Sep 20 20:03:54 UTC 2010


On Monday, September 20, 2010 01:51:58 pm Kirk Bocek wrote:
> On 9/20/2010 12:39 PM, Doug Vaughan wrote:
> > John and Kirk,
> > 
> >     I regularly edit and transcode HDPVR recordings. There are some
> > 
> > restrictions which may not suit you but here is what I do.
> > 
> > 1) I locked my STB to 1280x720p output. This keeps the recording size
> > down but allows me to reliably use a video editor.
> 
> That's a *really* good idea! Even though we have a 60" plasma, I can
> *barely* tell the difference between 720p and fully 1080. 720 seems just
> fine to me. That would cut down storage and bandwidth requirements quite a
> bit.
> 
> > 2) I use a compiled version of Avidemux 2.4 as I found at least the
> > Ubuntu packaged version could not handle the audio AC3 tracks. Avidemux
> > has not worked for me with 1920x1080i HDPVR recordings. I have reliably
> > edited up to 8Gb files if the 1280x720p restriction is adheared to.
> > Although I rarely record more than 6Gb HDPVR file.
> 
> I'm looking for a Windows editing solution. But similarly, the Windows
> version of avidemux couldn't hand the large 1080 files. I'll have to try
> it with 720 resolution files.

Could you have a problem with Windows apps and file sizes? Are you using FAT?

Look at the second paragraph here:

http://www.windowsitpro.com/article/file-systems/understanding-file-size-limits-on-ntfs-and-fat.aspx

Could this be your problem?


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