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Here is what I do if I want a bunch of frame grabs from a movie or clip:
1. Increase the speed of the sequence to 2000% (or whatever) This is to reduce the total number of frames.
2. Export to movie but set the file type to Windows Bitmap rather than AVI. (uncheck add to project)
3. On video tab (in export window still) set frame rate to 1 fps.
When you export, the 2000% speed change combined with 1fps will yield snapshots of the project every few seconds. Want more snapshots, decrease the speed.
So, you end up with a folder of bmps. Use the image processor in PS to batch process the whole folder to jpg or whatever you want. Use bridge to select the ones you want to keep and toss the rest.
That's not a bad idea at all. Only problem I see is that it doesn't allow me to actually CHOOSE which frames to use as snapshots. That's kind of important to me too. I like to pick and choose for the effect I want. Plus, it seems to me that you would end up with a lot of pics that are unuseable...for instance somebody waving their arms or other actions that are undesirable.
put the timeline indicator on the frame you want, click export>frame and select windows bitmap
make sure to select "deinterlace" and make sure "recompress" isn't selected. thats about the best quality your gunna get while grabbing from video.
Remember that you can use a Photoshop action to convert the entire directory to a different format all at once. In CS3, the Ctrl-Shift-M is missing as a shortcut, so put it back in the Keyboard Customization so it is easier to export a frame.
Actually, you dont even have to create an action for this in PS. Use the built in batch image processor.
I never noticed that. Cool.