You could try doing it in OpenShot.  I do not know about loss of quality, but here is what the manual says:<br><br>Rotate Effect<br><br>    * OpenShot Video Editor Manual – v1.2.0<br><br>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.<br>
<br>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.  <br><br>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.<br>
<br>    * 16.1. Fixed Rotation<br>    * 16.2. Animated Rotation<br><br>16.1. Fixed Rotation<br><br>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.<br>
<br><br><div class="gmail_quote">On Tue, Nov 23, 2010 at 5:46 PM,  <span dir="ltr">&lt;<a href="mailto:joe@actionline.com">joe@actionline.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<br>
Searching the &#39;net for a simple command-line solution for rotating videos,<br>
I found one method using &#39;mencoder&#39; but the quality deteriorated terribly.<br>
<br>
mencoder -ovc lavc -vf rotate=1 -oac pcm input.mp3 -o input2.mp3<br>
<br>
Is there a modification to retain the image quality ... or another better<br>
solution?<br>
<br>
<br>
<br>
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</blockquote></div><br><br clear="all"><br>-- <br>Dazed_75 a.k.a. Larry<br><br>The spirit of resistance to government is so valuable on certain occasions, that I wish it always to be kept alive.<br>  - Thomas Jefferson<br>