Motion JPEG is a two field per frame format (like ye olde TV) while Photo JPEG is a single frame progressive format. There is nothing random nor messed up about the naming.
On Wed, Nov 30, 2011 at 9:04 PM, Hans-Christoph Steiner hans@at.or.atwrote:
On Nov 30, 2011, at 12:05 PM, Mathieu Bouchard wrote:
Le 2011-11-30 à 11:13:00, Hans-Christoph Steiner a écrit :
That should defintiely work, I've run it on slower machines. It
depends a lot on your graphics card too. As for video playback, if you want to manipulate the video, then you should convert it to a JPEG (aka MJPEG) codec. .mov is a pretty common container format for JPEG videos.
There are three different codecs named JPEG, MJPEG-A and MJPEG-B. They
are very similar but not fully interchangeable. So, you can't just say «aka».
I say 'aka' because unfortunately its not that simple. I believe that Apple labeled JPEG in .mov as "Motion JPEG" for a while, and it was just a JPEG codec. But it was not MJPEG. So the whole naming is messed up.
In any case, JPEG is the one that most people want.
.hc
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