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is it possible to precisely concatenate multiple DNxHR (HQ) videos into one without re-encoding?

It seems that ffmpeg can only handle MPEG streams.

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As long as the streams have the same properties - resolution, pixel format, timebase, reference frame count, then they can be concatenated by ffmpeg. Strictly speaking, FFmpeg will concat non-matching streams, only throwing warnings for discontinuous timestamps in the input streams, but that output will not be accepted by most (or any) players.

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  • Indeed, it worked flawlessly with this command: ffmpeg -f concat -i mydnxhrfiles.txt -c copy result.mov
    – dforce
    Dec 5 '16 at 11:11

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