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This answer to the question How to extract one frame of a video every N seconds to an image? also shows how to number the output image filenames with %0xd

ffmpeg -i inputFile.mp4 -r 1 outputFile_%02d.png

I would like to know how I can get a timestamp instead (minutes_seconds offset from beginning), for example, the frame @ 5 min 23 sec 98 ms should be written to the file outputFile_05_23_98.png

Tetsujin
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jamacoe
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    Not possible, but you can output (milli)seconds. See [ffmpeg output images filename with time position](https://stackoverflow.com/a/50100263/) and the `-frame_pts` option in the [image muxer](https://ffmpeg.org/ffmpeg-formats.html#image2-2). You may have to adjust the `round` option for the [fps filter](https://ffmpeg.org/ffmpeg-filters.html#fps). – llogan Feb 24 '21 at 18:42

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