[CinCV TNG] [PATCH] Removed can_copy_from from file* sources

Johannes Sixt j6t at kdbg.org
Sat Jul 15 17:53:22 CEST 2017

Am 15.07.2017 um 17:05 schrieb Andrew Randrianasulu:
> В сообщении от Saturday 15 July 2017 17:40:36 Einar Rc3bcnkaru написал(а):
>> Direct copy works when there is 1 video track, no effects, input and
>> output have the same size, input and output media is all I-frames.
>> DV - DV, PNG - PNG, TIFF - TIFF work.
> Can it be extended  to work with mjpeg, DNxHD, I-frames only mpeg2 , ffv1, and
> alikes ?

Can it? Probably, yes. Is easy? Most probably not. It can certainly not 
be extended to formats that have inter-frame compression.

> I personally never used  workflow with reencoded source videos  due to extreme
> lack of free space, ...

Do you misunderstand the feature? The "reencoding" that is talked about 
in this context does not use up disk space.

-- Hannes

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