Remuxing containers, e.g. MKV or AVI to MP4, with FFmpeg will only keep a single – it tries to choose the best one available – audio and video stream from the input file in the output file.

Feb 10, 2015 · MKV and MP4 are just containers. Looks like you just want to Remux the video and audio into a new container, without re-converting the video and audio. To do so just …

Jun 26, 2024 · I'm trying to write a program that lets me convert a series of .mkv files with subtitle files into .mp4 files with the subs hardcoded. Right now, the script I use is ffmpeg -i input.mkv …

I suggest you first check whether your .mkv file already has H.264/AAC streams in the first place. Because if it does, all you have to do is copy the streams and change the container: ffmpeg -i …

Sep 1, 2025 · This is the official BD3D2MK3D support thread at VideoHelp. BD3D2MK3D is a tool to convert a 3D blu-ray (or a 3D AVC+MVC MKV created with MakeMKV) to

Sep 29, 2017 · I have tried several different MKV to MP4 converters that are recommended on the Videohelp website, and each of them generates an mp4 file with no sound. The only tool …

Aug 31, 2020 · So I am trying to convert a really long video from MKV to MP4. I tried this command first which is supposed to be the fastest way to convert mkv to mp4 ffmpeg -i …

Mar 18, 2024 · In my experience MKV produces a smaller file size compared with mp4. The difference might not be much, but if you store the files in a NAS, or whatever, it is an important …

Nov 3, 2023 · United States Originally Posted by ian curtis I have an MKV file with Dolby Vision and ATMOS 7.1 My TV does not support MKV, so i need to convert it to something that my TV …

Jul 20, 2024 · So I know that by using this command we can loop through all the MKV / MP4 files in the current folder. But I don't want to have to Google and find out what all possible file-types …