Step 3: Select files that you want to operate In addition, the slider on the right of "×264 Present" can determine the speed of the decoding process.( From left to right, it would be slower to have it finished and the file we get would be smaller) Also, adjust the seekbar (From left to right, the quality will be increased). Just follow the steps below, and you'll find it easy to convert MKV to MP4.ĭownload and install Handbrake into your device.īetween "Constant Quality" and "Average Bitrate(kpbs)", you need to select "Constant Quality". Also, it can function as a tool to remux an MKV file into MP4 format. It's a ripping tool, meanwhile creates MP4 files with excellent video and audio quality. The second software we recommended here is Handbrake. If you have already copied your original file into bin.catalog, you can delete G: in the command ) G refers to the disk where you save your file into. MKV is the input filename and A.MP4 IS the output filename. ![]() Step 1: Download and install appropriate version for your device.Ĭommand ───ffmpeg -i G:A.MKV -c:v copy -c:a copy A.MP4 (Here A. What I must mention is that it's very convenient and user-friendly because we don't need to set parameters. As a result, the only thing it changed during the process is the container. When it operating to remux, the content of the video (or the audio) won't be altered. It's lossless when you remux your file format from MKV to MP4. Ffmpeg to remux MKV to MP4įfmpeg is an audio/video encoding tool and it can handle multiple tasks. Have hundreds of MKV files and need to remux to MP4? Which is the best way? Well, this article presents you top 3 options to remux MKV to MP4 which guarantees no quality loss. Only audio, video, and subtitles are supported for Matroska.Top 3 Ways to Remux MKV to MP4 without Conversion ![]() Multiple -c, -codec, -acodec, -vcodec, -scodec or -dcodec options specified for stream 3, only the last option '-c:s srt' will be used. So why would using "-map 0" cause it to fail when I used the exact same command to remux the original MKV into an MP4? And why does omitting "-map 0" cause it to work, but then it doesn't copy both audio streams?įfmpeg version git-43a08d9 Copyright (c) 2000-2020 the FFmpeg developersĬonfiguration: -enable-gpl -enable-version3 -enable-sdl2 -enable-fontconfig -enable-gnutls -enable-iconv -enable-libass -enable-libdav1d -enable-libbluray -enable-libfreetype -enable-libmp3lame -enable-libopencore-amrnb -enable-libopencore-amrwb -enable-libopenjpeg -enable-libopus -enable-libshine -enable-libsnappy -enable-libsoxr -enable-libsrt -enable-libtheora -enable-libtwolame -enable-libvpx -enable-libwavpack -enable-libwebp -enable-libx264 -enable-libx265 -enable-libxml2 -enable-libzimg -enable-lzma -enable-zlib -enable-gmp -enable-libvidstab -enable-libvmaf -enable-libvorbis -enable-libvo-amrwbenc -enable-libmysofa -enable-libspeex -enable-libxvid -enable-libaom -enable-libgsm -disable-w32threads -enable-libmfx -enable-ffnvcodec -enable-cuda-llvm -enable-cuvid -enable-d3d11va -enable-nvenc -enable-nvdec -enable-dxva2 -enable-avisynth -enable-libopenmpt -enable-amf When I try to use either of the two commands below using "-map 0" just like I did when I remuxed the original MKV into an MP4, the commands fail and both result in the following output.įfmpeg.exe -i input.mp4 -map 0 -c copy -c:s srt output.mkvįfmpeg.exe -i input.mp4 -map 0 -c:v copy -c:a copy -c:s srt output.mkv These two commands work, however, the output MKV only contains ONE of the TWO audio streams.įfmpeg.exe -i input.mp4 -c copy -c:s srt output.mkvįfmpeg.exe -i input.mp4 -c:v copy -c:a copy -c:s srt output.mkv ![]() However, if I omit "-map 0" from the command, it works but only ONE of the audio streams get copied to the output MKV file. The resulting output MP4 contains all the streams from the original MKV.īut if I try to remux the output MP4 into an MKV using the same command, but with a different codec for the subtitles and different file extension, I get an error. I was able to remux the MKV into an MP4 using this command.įfmpeg.exe -i input.mp4 -c copy -c:s mov_text output.mkv I have an MKV file that contains 5 streams.
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