[Cin] MKV containers

[Phyllis Smith]

>
> To be precise with mkv the 8 threads range from 0% to 75%, while with mp4
> they range from 40% to
> 100%. (seen with the KDE system monitor; I don't know how significant it
> is).
> Note that using ffmpeg from the command line does not show any slowdowns
> (but the settings of cfr or other may be different; I don't know).
>

The above is helpful information that gg is going to be interested in
investigating further. Why such a big difference in cpu usage? --- he will
want to see if he can figure that out!


> Adam Williams in the 7.1 introduced corrections regarding mkvs
> (although for quicktime and not ffmpeg). Could it not be that Cin (not
> only CinGG) has an internal problem, not of the engine it uses, that
> can decrease efficiency?
>

>From the comments below in filemkv.C from version 7.1 of Adam's, I do not
think it is a lack in CinGG, but rather MKV.  GG is going to have to look
at it as it is way beyond me.

// NOT USED
>
> // an attempt to get frame accurate seeking with MKV, which ended up
> // showing MKV doesn't have the required information in the 1st place.
>

I




> Adam Williams in the 7.1 introduced corrections regarding mkvs
> (although for quicktime and not ffmpeg). Could it not be that Cin (not
> only CinGG) has an internal problem, not of the engine it uses, that
> can decrease efficiency?
>
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