Video capture from PS3

UPDATED: Better upload here,

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I just captured a 720p video play of Ninja Gaiden Sigma 2. Just wanted to test the quality of the capture card called Blackmagic intensity pro.

The originally capture video is MJPEG avi file. The size is 311MB. I just uploaded whole thing and let Youtube converted it to whatever it wanted. The newly created Youtube video is MP4 file and the size is only 8MB.

Interesting thing is, somehow, the MP4 (which was solely converted by Youtube) has interesting interlace-kinda artifacts. These are screen capture of two files being played by windows media player.


MJPEG (click to enlarge)


MP4 (click to enlarge)

The blade on the left part of the screen clearly shows there is a problem with conversion. The question is, does MJPEG has originally recorded as interlaced version? or some information got lost during the conversion. I guess I need to learn more about MJPEG and video conversion.

UPDATE: This link has a good conversation about the interlace problem. It seems the option in the MJPEG decoding is confused depending on decoders.

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