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@ -4589,7 +4589,7 @@ Alternatively, the options can be specified as a flat string:
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@var{layout}[:@var{nb_frames}[:@var{margin}[:@var{padding}]]]
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For example, produce 8×8 PNG tiles of all keyframes (@option{-skip_frame
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For example, produce 8x8 PNG tiles of all keyframes (@option{-skip_frame
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nokey}) in a movie:
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@example
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ffmpeg -skip_frame nokey -i file.avi -vf 'scale=128:72,tile=8x8' -an -vsync 0 keyframes%03d.png
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