You could try doing it in OpenShot. I do not know about loss of quality,
but here is what the manual says:
Rotate Effect
* OpenShot Video Editor Manual – v1.2.0
If you need to rotate a clip 90 degrees, 180 degrees, or even animate the
rotation around in circles, OpenShot has a Rotate effect which can help.
OpenShot has two types of rotation effects available, fixed and animated.
To apply a rotation effect, switch to the Effects Tab on the main window,
and drag the Rotate effect onto your clip.
To adjust your rotation settings, right-click on the clip and choose
Properties. Then switch to the Effects tab on the properties window, and
click on the Rotate effect. This will bring up a list of rotation settings
that can be adjusted. Try changing each setting, and use the Play Button to
preview the effect.
* 16.1. Fixed Rotation
* 16.2. Animated Rotation
16.1. Fixed Rotation
A fixed rotation can rotate a video 90 degrees, 180 degrees, or any number
of degrees you need. It does not animate the rotation. This is useful when
you record a video sideways, and need to rotate it. To use a fixed
rotation, only adjust the settings with that start with “Fixed”. Be sure to
adjust the other settings back to zero.
On Tue, Nov 23, 2010 at 5:46 PM, <
joe@actionline.com> wrote:
>
> Searching the 'net for a simple command-line solution for rotating videos,
> I found one method using 'mencoder' but the quality deteriorated terribly.
>
> mencoder -ovc lavc -vf rotate=1 -oac pcm input.mp3 -o input2.mp3
>
> Is there a modification to retain the image quality ... or another better
> solution?
>
>
>
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--
Dazed_75 a.k.a. Larry
The spirit of resistance to government is so valuable on certain occasions,
that I wish it always to be kept alive.
- Thomas Jefferson
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