Hi, >* Is it possible to extract frame uncontinuos ( one each ten for example ) *>* from an avi and save it in jpg? *>* At the moment I'm only able to extract all the frame from a time to *>* another. * > Yes, if you input AVI is 25fps and you want one of each ten frames > then use as output rate 25/10 > $ ffmpeg -i small.avi -r 25/10 -f image2 out%03d.jpg > The result is not exact, there will be maybe a few frames more. > Regards, > V?ctor I've tried ffmpeg -i small.avi -r 25/10 -f image2 out%03d.jpg now I get picture size invalid (0x0) Segmentation fault The extraction I talked about (all the frame) was done in this way: ffmpeg -i small.avi out%03d.jpg without -f image2, but in this it seems to ignore if I add the tag -r 25/10 with -f image2 if I add the tag -r 25/10 ffmpeg says me 2.5 fps so it seems to work but then I get the error picture size invalid Thanks a lot for the previous answer
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