2

Use ffmpeg -start_at_zero -copyts -ss 00:00:14.435 -i input.mp4 -vf "drawtext=fontfile=/path/to/Arial.ttf: fontsize=45:fontcolor=yellow:box=1:boxcolor=black:x=(W-tw)/2:y=H-th-10: text='Time\: %{pts\:hms}'" -vframes 1 output.png


2

No ffmpeg code can identify interesting frames. At most, there are filters which detect representative frames and filters which identify frames with a scene change. So, at best, there's a thumbnail filter for this, sort of. It can't detect "interesting" frames but it detects representative frames. So, frames from the middle of fades should be out. Syntax ...


1

-map 0 will map all streams from the first input. A negative mapping can then be applied to disable an already mapped stream. So, ffmpeg -i toto1.mp4 -map 0 -map -0:v:0 -c copy toto2.mp4


1

Allocate as much RAM to Premiere as possible (in the settings), and, as Kazanaki suggested, learn to use proxies (lower resolution copies of your master files).


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