rohit khali (12020-06-01): > As part of initial checks, I came across below command, which seems to be > working however was wondering why '-vsync 0' parameter is needed.
The output format you are using does not support timestamps, and therefore must be used with constant frame rate, but keyframes are not guaranteed to be constant frame rate. Therefore, ffmpeg will duplicate frame as needed to meet the constant frame rate, by default the same as the input. -vsync 0 disables that: it tells ffmpeg to not bother about timestamps. Regards, -- Nicolas George
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