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FFmpeg is a free software project that produces libraries and programs for handling multimedia data. The most notable parts of FFmpeg are libavcodec, an audio/video codec library used by several other projects, libavformat, an audio/video container mux and demux library, and the ffmpeg command line program for transcoding multimedia files.

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How to calculate the length of the video file that was encoded so far?

I am using ffmpeg to convert a video file to H.264 format. If I call ffprobe while ffmpeg is still running the duration of the video is not known. … But I would like to know how much did ffmpeg encode so far. …
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