https://bugs.kde.org/show_bug.cgi?id=360246

Evert Vorster <evert.vors...@yandex.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|git master 2016-03-08 -     |git master 2016-03-08 -
                   |kdenlive ignores rotation   |melt ignores rotation flag,
                   |flag on video clips, proxy  |proxy clip generator does
                   |clips go nuts.              |not....

--- Comment #1 from Evert Vorster <evert.vors...@yandex.com> ---
Some more info on this footage. 
melt footage.mpg plays the video, with no rotation, ie: the way it was recorded
vlc footage.mpg plays it rotated, ie: honors the rotation flag

The main problem here is that the proxy generator (ffmpeg) honors the rotation
flag, while the rest of kdenlive, using mlt, does not. 

I have not noticed this issue before, as I used to edit without proxy clips on
much more powerful hardware. :D

I am able to manually strip out the rotation flag in the original footage with
ffmpeg and 
-metadata:s:v rotate="0"

But manually stripping out the rotation flag is a pain. 
So, I tried to just put the same command argument into the proxy clip generator
command line, but for some reason, it looks like kdenlive is messing with the
command line being passed to the proxy clip generator.
It does not pass this command to ffmpeg when I add it to the proxy clip
generator. 

I am also noticing something else now.... 
When I used to rotate these clips manually before, I was able to hit "fit to
width" and it would scale the clip so that the width fitted, or scale height so
that the entire thing fitted. 
It does not do that anymore, basically.... it does not look like the rotate
filters (I tried all of them) does not modify the width/height parameters of
the video clip. 

Wait, let me upload a small clip with the rotation flag set, and you can play
with it yourself.

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