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MKV: which one wins? Many devices will play an MP4 file but not an MKV file. Finding a Matroska (MKV) video format player narrows down options a lot, so many people opt to convert to MP4 so that they can view videos on other devices. MP4s, the latter are significantly smaller in file size, without diminishing the video quality, and tend to be compatible with more media players. MP4s also store information in one file, but looking at MKVs vs. MKV stores subtitle, audio, and video all in one large file and is typically how Blu-rays and DVDs store data for their videos. Matroska (MKV) and MPEG-4 (MP4) files are both video files capable of storing HD video. A common issue users encounter is to convert MKV files to MP4 files. Different programs use different formats and file extensions, and some will be difficult to playback using some software. Thats it! Test by opening the MP4 in VLC or streaming to your Galaxy tab.Managing video formats and compatibilities can sometimes be a chore. The above command adds the video track and the audio track.
![linux convert mkv to mp4 linux convert mkv to mp4](https://i.stack.imgur.com/CcRTT.png)
Now we have the two individual files for video (H.264) and audio (AAC), they need to be combined into a MP4 container. The other steps should completed in seconds. Note that the audio conversion is the most time consuming step, usually taking minutes. These and other options may be modified to suit your needs. The above command uses 6 channels in the output and a bit rate of 328kb/s. $ ffmpeg -i 3 -ac6 -acodec libfaac -ab 328k For the conversion I'll use FFMPEG (other software, like MEncoder, should work as well): But the audio needs to be converted to AAC. The video file ( 264) can be included as is in the MP4 container. | + CodecPrivate, length 49 (h.264 profile: High + Default duration: 40.000ms (25.000 fps for a video track)įrom the above example, note there are five tracks: To view the track information use mkvinfo: Note that the original MKV may have multiple audio tracks, e.g. The steps are to extract the video and audio tracks from the MKV container, transcode the tracks (if necessary) into H.264 and AAC, and then combine the resulting tracks putting them in a MP4 container. It would be even better (faster) if the MKV contained AAC audio. So the video does not need to be transcoded, only the audio (from AC3 to AAC). The MP4 container commonly uses H.264 video and AAC audio. In my case the video in the MKV container is H.264 and the audio is AC3. The video and audio in the containers can be created with different codecs. Remember that MKV and MP4 are just container formats.
![linux convert mkv to mp4 linux convert mkv to mp4](https://i.ytimg.com/vi/37QhHsr2mxA/maxresdefault.jpg)
#LINUX CONVERT MKV TO MP4 INSTALL#
$ sudo apt-get install gpac mkvtoolnix ffmpeg The following summarises the steps that mkvtomp4 takes so you can tailor the conversion to your needs (without using mkvtomp4).įirst, install the necessary software: MP4Box (in gpac package), mkvextract (in mkvtoolnix package) and FFMPEG. Luckily mkvtomp4 has the -dry-run option that prints the commands used. I found mkvtomp4 would use the AAC audio track, when I wanted the English AC3 track.
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For example, my MKV has H.264 video, an English AC3 audio track and a Thai AAC audio track. The problem I've had on occasions is extracting the correct audio track when there are multipled in the MKV. Its a python script that conveniently calls the correct command line programs for the conversion. This works well, and is what I've used to learn the steps below. Has a simple to use GUI, and even a command line interface.
#LINUX CONVERT MKV TO MP4 HOW TO#
How to do the conversion in Ubuntu? Its rather easy, assuming the MKV contains H.264 encoded video.Ī recommended approach is to use Handbrake. You have videos using the MKV container but need them to use the MP4 container to, for example, stream from your Ubuntu computer to a Samsung tablet using DLNA (see my notes on streaming using minidlna). Convert MKV to MP4 in Ubuntu VOBSUB English