The only downside to this is that it really is only practical for MKV files out there that already use H.264 for encoding, and that have settings compatible with iTunes. This blog had a wonderful, detailed step-by-step process, with screenshots. Once you have Perian, you just open the MKV file with Quicktime, and export it to either MP4 (with specific settings), or use the AppleTV or iPod export settings. Quick download, mount disk image, double-click on preference panel file, and you are ready to convert. The magic free extension, which is distributed as a System Preference panel file, is called Perian, the Swiss Army Knife for Quicktime.
Then this forum discussion popped up, and pointed me to a very cool solution that I had to share.īasically, you can do it with Quicktime Pro, but only if you download this free extension to Quicktime that adds support for a large number of video formats. Not knowing anything about this format, I did a search for ways to convert this to MP4 for the AppleTV/MacMini/iTunes family, but found mostly Windows-based or command-line utilities. How could I use this but convert the audio to 2.0 AAC and keep the dts or AC3 original audio too?Ĭ:\Users\no u cant see this\Downloads>ffmpeg -i video.mkv -c:v libvpx -b:v 1M -c:a libvorbis -map 0:d intro2.mp4įfmpeg version 4.3.1-full_build-Copyright (c) 2000-2020 the FFmpeg developersīuilt with gcc 10.2.A lot of video online is being distributed in MKV format (aka “Matroska Video”). mkv might need to re-encode and it might failed to play in mplayer player, in that case either you want to re-encode that files without -c copy option OR play with better player such as mpv player. MacOS/Linux: for f in *.mkv do ffmpeg -i "$f" -c copy "$ \ All MKV files found in the directory will be converted with their original filename. This can be run directly from command line. If you want to batch convert multiple MKV files, you can switch into the directory that contains MKV files and run the following, depending on OS.
Single file conversion example ffmpeg -i example.mkv -c copy example.mp4 If not just substitute with the full path to your ffmpeg binary. These examples assume ffmpeg is in your PATH. Older examples may use -vcodec copy -acodec copy which does the same thing. With ffmpeg this can be achieved with -c copy. The main factor is disk read/write speed. This avoids any encoding task and hence no quality will be lost, it is also a fairly quick process and requires very little CPU power. The easiest way to "convert" MKV to MP4, is to copy the existing video and audio streams and place them into a new container. Converting mkv to mp4 with ffmpeg Essentially just copy the existing video and audio stream as is into a new container, no funny business!
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