[MEncoder-users] help encoding jpeg frames to video with soundtrack

[Mario Valle]

Seen this effect when images where 16 bits and not 8 bits.
Hope it helps
                 mario

On Apr 18, 2006 05:50 AM, Ken and Timi Cecka wrote:

>Hi All,
>
>I'm new to video encoding, so I may be making some simple blunders, but
>I
>can't for the life of me get this animation to work right. I've got
>approximately 4000 frames of time-lapse photography stored as 480x640
>jpegs. I'm trying to encode them at 15 fps in a format that will play
>easily on windows, and add a soundtrack. Emphasis is on quality over
>size.
>
>No matter what I do, I seem to either get lots of blocks showing up in
>the
>cloudy background, orange streaks across the middle of the image, or
>both.
>I've tried a variety of commands, but here's one for reference:
>
>mencoder "mf://*.jpg" -mf fps=15 -o test800.avi -ovc lavc -lavcopts
>vcodec=msmpeg4v2:vbitrate=800
>
>I'm omitting the audio for now until I get the video playing correctly,
>but
>the audio track is a wav file (soundtrack.wav) of approximately
>equivalent
>length to the animation (assuming 15fps).
>
>I think a big part of my problem is that there is so much changing from
>frame to frame; the images were shot on a 6 minute interval, so the
>cloudscape and light level has changed significantly from one frame to
>the
>next. But I would think there should be some way to encode this, even
>if
>it means storing each frame in full (I've tried motion-jpeg, but it
>doesn't
>play in windows).
>
>Thanks in advance for any help,
>Ken
>
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--
Mario Valle
Somewere @ Varese
http://www.cscs.ch/~mvalle/