It's armed with Remux function to help you with remuxing MKV to MP4, MOV, AVI and many more formats. Method 1: Remux MKV to MP4 With DumboFab Video ConverterĭumboFab Video Converter (available for Windows and Mac) is one powerful video processing software that enables you to edit & process your video in a trouble-free manner.
2 Methods to Remux MKV to MP4 Without Re-encoding Then the extraction is encapsulated into another format that we are familiar with. Remux means lossless extraction of video and audio data from a certain format. This doesn't lose quality, and it'll be a much faster process. If you only want to change the container from MKV to MP4, you usually don't need to encode anything, you just change the "wrapping" around the video. The second reason is that re-encoding may take too much time. This is because the original has already been compressed by throwing away information, and by doing it again you're introducing generation loss. The first reason is that you can (usually) not retain full quality after the video is re-encoded. I've been reading about -metadata, -map_metadata and metadata_specifier for stream tagging in ffmpeg, but can't seem to figure out how to achieve what i want.Why People Choose to Remux MKV to MP4 instead of Re-encoding? For example, in MediaInfo, the mkvs have a "title: bla bla" entry, whilst the mp4s don't. However, only the language "tags" or metadata are being transferred. To do that, i'm using ffmpeg with the following command lines:įfmpeg -i in.mkv -acodec copy -vcodec copy out.mp4 (for videos having 1 single video stream + 1 single audio stream)įfmpeg -i in.mkv -map 0:0 -vcodec copy -map 0:1 -acodec copy -map 0:2 -acodec copy out.mp4 (for videos having 1 single video stream + 2 audio streams)
The mkvs mostly consist of h264 video and aac audio, though i don't think that changes anything in what i'm trying to do. Now i'm trying to batch convert a bunch of mkv files to mp4 container without reencoding. In MKVToolNix, when muxing, i usually set a language and a title for the video and audio tracks. I use MKVToolNix for simple mkv container manipulations, muxing, demuxing, etc.
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