[mythtv-users] Share your transcode settings!
jeremy.dwain.jones at gmail.com
Wed Jan 11 17:35:55 UTC 2012
On Wed, Jan 11, 2012 at 11:24 AM, Raymond Wagner <raymond at wagnerrp.com>wrote:
> On 1/11/2012 12:16, Jeremy Jones wrote:
>> I really like the results obtained by running mythtranscode, used in
>> fifodir mode into ffmpeg. You still get to cut adverts out, plus
>> you get full control of recompression. You can maintain interlace, or
>> deinterlace and double the frame rate. My script is linked to from
>> the mythtranscode wiki page: http://www.mythtv.org/wiki/Mythtranscode.
>> May not do exactly what you want, but should be easy to alter.
> Can you change from HD to SD and still keep the Mpeg-ts container? Or
> does it have to go into a nuv?
> No and no. FIFO mode in mythtranscode opens a pair of named pipes on the
> filesystem, and feeds the raw audio and video streams into them. These
> pipes use the standard 64KB POSIX buffering, so as you pull data from them,
> mythtranscode pushes more data into them, in FIFO ordering. The video is
> clipped, deinterlaced, cropped, and filtered however you have configured,
> but it is not encoded nor is it multiplexed into any form of container. It
> is left up to you to do those things.
I didn't realize how far over my head that post was until you explained
what was going on. Thanks for making it simple with the transcode wrapper
Is the information that I wrote above (and several other posts I
made) something should be reformatted (and expanded upon) to a narrative
and put on the wiki? Maybe with a title something like: custom
transcoding? I know you and Mike Dean help me out a bunch when I was
getting set up. I hate for you guys to always have to answer these
If you think it would be helpful and not just clutter, then I'll add it to
my to-do list (right behind repaint the hallway).
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