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I have some mkv files with a hevc encoding which is not allowing me to burn to disc in covertxtodvd as it shows no video track as the encoding isn't supported, i was wondering if it was possible to convert the files encoding into avc encoding whilst keeping embedded subtitles and the same mkv format. Thank you for reading, Nick W

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ffmpeg, a command-line tool, can do this:

ffmpeg -i input.mkv -c:v libx264 -crf 23 -c:a copy -c:s copy -fflags +genpts output.mkv

Adjust the CRF for larger or smaller size (lower number produces better quality but larger size)

Download ffmpeg (32-bit static version) from here.

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  • thank you, i was also wondering if there is a command like this that allows me to keep dual audio streams?
    – user12302
    Commented Dec 17, 2015 at 3:26
  • If the source has dual audio streams, then the above command will keep them both.
    – Gyan
    Commented Dec 17, 2015 at 4:16

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