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I found that if you run 'ffmpeg -i inputfile.mkv -c copy video.hevc audio.eac3' then the audio file will not contain the Atmos data, so I had to run ffmpeg twice. Mp4muxer -dv-profile 5 -i video.hevc -i audio.ec3 -media-lang eng -o outputfile.mp4 Open a command prompt in the folder where your MKV file is, and do the following:įfmpeg -i inputfile.mkv -c copy video.hevcįfmpeg -i inputfile.mkv -c copy audio.eac3Ĭhange audio file extenstion from eac3 to ec3 In this case, the file will be converted from the dummy.mkv format to the dummy.mp4 format. ffmpeg -i filename.mkv -vcodec copy -acodec copy 1.mp4. Dont re encode as you will definitely lose quality. Both of these are just wrappers over the same content so the CPU only needs to do a.

The following command structure is used to simply convert a media file into a different format. you only want to convert MKV to MP4 then you will save quality and time by changing the.

Unzip the contents to your C:\Program Files directoryĮdit your Environment so you have C:\Program Files\dlb_mp4base-master\bin in your PATH Any FFmpeg command will have the following structure. You will need mp4muxer, and you can downlaod it from here: Using ffpmeg to copy a MKV to MP4 does not transfer the Dolby Vision metadata, and you end up with only HDR10 in your MP4 file.Īssuming you have a MKV file of a web streamed video with Dolby Vision (not from UHD BR Disk, DV profile 5) and a Dolby Digital Plus audio track with Dolby Atmos, here is how I was able to create a MP4 file with Dolby Vision intact.

I have a TCL Roku TV and it can recognize Dolby Vision in MP4 containers but not in MKV containers.