[PD] file format for GEM

[me.grimm]

>> Also, I selected JPEG-Photo using the program "MPEGStreamclip" at %100

this actually worked pretty decent. thanks for the tip!

> I assume JPEG-Photo is MJPEG: The video file gets so large, because you

might someone know: what is the difference between photo-jpeg and
motion-jpeg? i am assuming from reading around the web that they are
the same thing... but maybe not?


m



On Sun, Feb 3, 2013 at 4:09 PM, Thomas Mayer <thomas at residuum.org> wrote:
> Hi,
>
> please respond to the list, as others may help in answering your
> follow-up questions, and / or may benefit from the conversation.0
>
> On 03.02.2013 21:49, Stephan Elliot Perez wrote:
>> Thanks. I have no idea what a bash script is or what to do with it, but I
>> will read through the thread...
>
> If you use Linux or Mac OS X, bash is usually installed on your system.
> It is a command line interface and can be used for scripting.
> (http://en.wikipedia.org/wiki/Bash_%28Unix_shell%29)
>
> This particular script is nothing fancy, and I have made it mostly to
> remind the parameters for mencoder.
>
>> Also, I selected JPEG-Photo using the program "MPEGStreamclip" at %100
>> quality and it produces quite a large file. With "auto", the CPU goes over
>> 90, but if I drag up or down on the framerate's number box, it stays at
>> around 30-40...
>
> I assume JPEG-Photo is MJPEG: The video file gets so large, because you
> store a JPEG for each frame instead of full image for keyframes only and
> then changes for subsequent frames as do other video codecs (rough
> explanation). [pix_film] can then read each frame as a JPEG and does not
> need to find the last keyframe and apply the changes to it, so playback
> should be possible with lower CPU usage.
>
> Please tell us some information about your system, i.e. CPU, graphic
> card, operating system etc., maybe someone with a similar setup can
> respond with further advice for optimisation.
>
> Hth,
> Thomas
> --
> "Chaney was aware that anything, however small, can get the eye of the
> media if it's repulsive enough." (Robert Anton Wilson - The Universe
> Next Door)
> http://www.residuum.org/
>
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m.e.grimm | m.f.a | ed.m.
megrimm at gmail.com
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