[mythtv-users] Myth's internal lossless transcode

[Kevin Kuphal]

On Mon, Dec 17, 2012 at 9:51 PM, Ian Evans <dheianevans at gmail.com> wrote:

> Just wondering what's happening with Myth's internal lossless
> transcode. I used it all the time to save space cutting the
> commercials out while not compressing the program itself.
>
> When I moved to .26 the mythtranscode stopped working as per
> http://code.mythtv.org/trac/ticket/11090
>
> I've been using the new Lossless Cut program but with my HDHomerun
> recordings I've noticed issues with the cuts being slightly off or the
> audio sync drifting to a noticeable error. For me the lossless cut
> mode of mythtranscode worked and worked like gold.
>
> I'm not able to code in the language used for Myth so I don't know
> what's changed, but how did mythtranscode going from 100% solid to a
> 100% failure for many of us? That's not meant to be a knock, but I'm
> just curious what changed between .25 and .26 and why there isn't much
> noise about it. I know many argue against compression transcoding here
> not worth the CPU/power cost, but I thought the view was different for
> lossless transcoding.
>

It's most likely in the ffmpeg merge.  If you happen to be able to test on
master compiled from source, I believe another ffmpeg merge was done very
recently which could give you something to test against to see if the
problem still exists in the latest code.

Kevin
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