Questions tagged [mkv]

Questions relating to the Matroska (mkv) audio/video multimedia file format

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75 views

How to get libdvdread4 in 20.04

I use Ubuntu Studio 20.04 LTS in three PCs: two desktops and one laptop. But, because some reason I don't know, into the Laptop there are not some DVD libraries I have in the desktops. The libraries ...
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0answers
24 views

How can I run a .mkv file in VLC (or an equivalent)?

I have some .mkv files and I'm trying to play then in VLC. The audio works but the video does not (just a black screen). I tried in the "Videos" program. There is video but its very choppy ...
5
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1answer
66 views

How to easily convert an MKV video to an MP4

I would like to easily be able to convert a MKV video to MP4 video in Ubuntu. Is there any way I can easily do this at all?
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23 views

SMPlayer not showing video in ubuntu 20.04

SMPlayer only playing audio for some files. They are working fine in vlc. When I try to close that file this log is showing up. There is another issue with it also. Whenever I speed up any video ...
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1answer
72 views

How to get video audio stream using ffmpeg pipe fdkaac m4a?

I want final file as .mkv containing video stream copy and audio stream encoded by fdkaac bt unfortunately i only get audio file pls help me how to pipe video stream also here??? I tried this: ...
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60 views

H265 videos stuttering on ubuntu 20.04 (Intel Nuc)

I use an Intel Nuc and try to play h265 Videos via Kodi/Vlc but the videos are stuttering and sometimes the audio is out of sync. Is there any way to get h265 mkv videos running smoothly on the Intel ...
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1answer
139 views

plex: how to add a local .mkv file to a library?

Looking to play this mkv file: thufir@dur:~$ thufir@dur:~$ tree /home/thufir/plex/ /home/thufir/plex/ └── The.Last.Dance.S01E01.HDTV.x264-BRISK[TGx] ├── [TGx]Downloaded from torrentgalaxy.to ....
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1answer
122 views

Error on videos (.mkv) after software upgrade

My system: Laptop Dell inspiron 15 3000 RAM: 16 GB SSD 480 GB Kingston Intel Core i3 7th Generation OS: Ubuntu 18.04 with Software and System Updates Web Browser: Mozilla Firefox, Google Chrome, ...
2
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1answer
1k views

Ffmpeg: can TS video be converted directly to MP4 video without re-coding?

I see here (How to convert .ts file into a mainstream format losslessly?) that MKV is recommended for that purpose (ffmpeg -i input -map 0 -c copy output.mkv), but not MP4, which is said to involve re-...
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1answer
346 views

How to extract video, audio and subtitles files from an MKV file

I have some MKV video files and I want to extract (not convert) the internal files (video, audio and subtitles). I thought MKVToolNix GUI was the appropiate app to do that, but... I cannot to find ...
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0answers
3k views

How do I get VLC on Ubuntu 18.04 to play mkv files

When I try playing an mkv file with vlc I get: Codec not supported: VLC could not decode the format "av01" (AOMedia's AV1 Video) When I close the message the file actually plays only the sound track ...
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1answer
41 views

Trouble updating MKVToolnix apt repo on bionic

I used Ubuntu Bionic. I have, among others, the following apt sources configured deb https://mkvtoolnix.download/ubuntu/bionic/ ./ deb-src https://mkvtoolnix.download/ubuntu/bionic/ ./ when I apt-...
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0answers
115 views

Samsung TV unable to play .mkv files downloaded with Ubuntu

The weirdest thing is happening. If I download .mkv files in Ubuntu, save them to my external drive and then try to play them on Samsung TV - the TV says that file format is unsupported. But if I ...
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0answers
425 views

Fast method for hardcoding subtitles to MP4/MKV

Until now I have tried 4-5 methods to hardcoding subtitles to mp4/mkv videos. ffmpeg - too slow mkvmerge - not sure thats hardcoding, because on TV subtitles are missing mkvtoolnix - program is ...
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1answer
93 views

How to install latest MKVToolnix to Ubuntu 16.04?

MKVToolnix developer stopped providing repo for Ubuntu 16.04. Now mininum Ubuntu version he supports is 18.04 Can someone tell me how can I install latest version (40.0 right now) to a Ubuntu 16.04 ...
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56 views

Ubuntu 18.04 Handbrake mkv encoding problem

In the past few days Handbrake has been unable to encode several DVDs in mkv format, that is my usual the past few years. Encoding in mp4 does work with all other settings remaining the same. Anyone ...
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0answers
598 views

check if list of mp4/m4v/mkv files has subtitles

i have list of about 230 video files (mp4, m4v and mkv), i want to make sure that all of them has english subtitles. is there an easy way to check it? (instead of open each 1 to see if it contains ...
2
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2answers
601 views

How do I extraxt audio files from mkv files? TO DELET THE MUSIC IN THE BACKGROUND

I want to know how to get all the audio files from the mkv file. it has to be more than one file. SO I CAN DELETE THE MUSIC IN THE BACKGROUND of THE VIDEO. What software I can use? And how to use it? ...
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0answers
750 views

How to remove chapters from mkv metadata

How do you remove chapters from mkv metadata on command line? Can ffpmeg be used for this?
2
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1answer
1k views

Merging mkv file chapters into one chapter

How would you merge chapters in mkv files into one chapter? I've only found threads about adding, removing and splitting chapters. I'm looking for a command line tool. Can ffmpeg be used for this?
3
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1answer
1k views

How to bulk extract bitrate data from videos and output them in a text file?

I have several videos in a folder; ~/Downloads/movie1.mkv ~/Downloads/movie2.mkv ~/Downloads/movie3.mkv I would like to extract the bitrate for each file, and output the data into a single text file,...
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1answer
119 views

HD .mkv files - any hope for improvement in 18.04

I am having difficulty running HD .mkv files in 17.04. I was wanting to upgrade to 18.04 but read that the graphics drivers don't work properly and have been downgraded in current releases. Is there ...
3
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4answers
677 views

Double file extension with FFmpeg

I'm trying to get FFmpeg to go through all files and sub-folders under the path I run the command in, to convert any MKV file to an MP4 container instead. I've got the below command working but the ...
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0answers
6k views

Convert .mkv to .mp4

I am trying to convert .mkv to .mp4 Following is the my terminal. I get an error saying Cannot find H264 start code. Error importing video.h264: BitStream Not Compliant gayan@GayanF:~/Videos/...
2
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1answer
2k views

Nautilus crashes, ubuntu 18.04

Since I updated to Ubuntu 18.04 I've been having this weird problem: every time I right click properties on any .mkv, .mp4, .avi file Nautilus crashes. This had never happened before. Anyone can help? ...
2
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3answers
735 views

Script to combine movie audio tracks in order to learn a language

I would like to build a special script to learn English from a movie (dvd, mkv ...). I would like to extract the audio part in my native language then in English and the subtitles with the timeline. ...
0
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1answer
510 views

How to include directories and subdirectories in a batch file

I found a batch file script to do the job I need to do. I posed the question of how to add directories and subdirectories recursively in the batch process in a comment on the post I got this code from,...
5
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2answers
9k views

How to play MKV videos in Mozilla FIrefox?

I can't play or stream online videos with MKV extesions in Firefox though I can play these videos through Chrome. It says "The media could not be loaded, either because the server or network failed or ...
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0answers
407 views

MKV files won't play, or plays muted

I have an MKV file here that will play in the default Videos app but muted, and won't play at all in VLC (no error message, but a black screen and no sound). I already installed the recommended codecs ...
1
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2answers
666 views

converting several mkv files to avi at once

My crappy samsung will not read anything that has a .mkv extension. There's no way to install another video player since the android version is no longer 'updatable'. Since 99% of video files right ...
2
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0answers
82 views

Green Thumbnails in Ubuntu Gnome 17.04 [duplicate]

My video (.mkv) thumbnails are green (or monochromatic)? This didn't solve my problem, the situation is exactly the same, it used to work in 16.10 but it's not working now. Is this a bug should I ...
6
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3answers
2k views

My video (.mkv) thumbnails are green (or monochromatic)?

When I installed Ubuntu Gnome 17.04 thumbnails for .mkv were not showing up at all, Then it automatically got fixed, now it's generating the Thumbnails but as weird as it may sound, they're all green (...
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1answer
687 views

Mkv thumbnails are not generating at all

After updating to Ubuntu 17.04 my .mkv files aren't showing any thumbnails What have I tried so far? Installed ubuntu-restricted-extras that didn't work. Rebooted after installing ubuntu-restricted-...
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0answers
326 views

Can't play MKV - Ubuntu 12.04 [duplicate]

Some MKV videos are not working and I get this message: Could not find GStreamer caps mapping for FFmpeg codec 'h264', and you are using an external libavcodec. This is most likely due to a ...
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2answers
2k views

How can I convert a .MXF video file to .MKV with Ubuntu?

I have some videos recorded on a Sony PXW-X70 camera that I wish to convert to something else, possibly an .mkv file. What program or command line utility can I use to do this?
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1answer
422 views

Questions about compiz, sound control and mkv movies

I'm totally fresh with Ubuntu. I've got the newest (16.04) release, my laptop is Lenovo Y50-70. My issues: How do I get rid of compiz? Sounds, like music or sounds from movies are... like really ...
1
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1answer
961 views

Can't generate thumbnails from some mkv files

I've been using Ubuntu for a time but still not that professional one. My problem -that I've been stuck with last two days- is I downloaded an MKV video with HEVC stream which is unknown to VLC, but ...
6
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1answer
10k views

VLC does not support the audio or video format “hevc” [duplicate]

I'm trying to run an .mkv video, I even installed the codecs from this page: How to install all existing media codecs? But still keep getting this error on VLC player: No suitable decoder module: ...
8
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2answers
6k views

Intel vaapi : can't play mkv with vlc

I can find why I can't play any mkv file with vlc, it seems there is a drawing error, is there a workaround or something ? I have optimus (intel+nvidia) and i'm using bumblebee with last nvidia driver ...
-1
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1answer
2k views

problem running .mkv files in ubuntu 14.04

I have been trying to run .mkv files in my ubuntu 14.04 and it says weird things different times, for the last few days it showed some diffrent errors, today it says "Can't play a text file without ...
0
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1answer
254 views

MKV seek broken after re-encoding

I have a few MKV files that need the title to be changed. My searching has led me to understand that re-encoding is the the easiest way to do so. mediainfo on one of the files General Unique ID ...
6
votes
1answer
20k views

When playing mkv movie by vlc media player, sometimes I only get the video not the audio

I have VLC media player installed on Ubuntu 14.04 64 bit. The problem is when I play movies that are in .mkv format using VLC it sometimes cannot play the sound of the movie and I only see the video. ...
1
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1answer
878 views

App to get audio file information like what mkvinfo does for mkv files

Does anyone know of an app that can get the file information of a file like flac and wav files? An app like mkvinfo but for audio files for flac and wav files? Thanks An example is below of what ...
6
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4answers
30k views

How to play this file?

I have this video file with the extension .mkv but it is not playing in totem video player and this works in the new versions of VLC(Windows) and I havent tried it on VLC for Ubuntu yet. Is there any ...
1
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0answers
852 views

How do I extract and rename .ass subtitles from multiple MVK files?

I have a BUNCH of mkv files that I want to play on my Blue-ray player. However it won't read the subs unless they are out of the file. I need a way to extract and rename them. I want to give them the ...
-1
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3answers
5k views

ISO to MKV batch conversion for dummies

I've tried finding a solution to my problem - unfortunately without luck. I've just installed Plex Media Server and are loving in! However, it can't play the 100 ISO-files with my DVD-movies that I ...
1
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0answers
640 views

Cannot play .mkv files after installing Codecs

After installing codecs to watch files in x265, the Totem player now doesn't play .mkv files any more. It says it is invalid and shows this: --transient-for=69206027 gstreamer|1.0|totem|Matroska ...
-1
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2answers
169 views

MKV Video files are not paying properly. [duplicate]

MKV Video files are not paying properly. SM player only plays the audio, not the video. Please hep.
2
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3answers
1k views

Convert mkv to ogv

How to convert mkv file (with multiple audio track) to ogv format by presrving all the audio track? Is it possible to create a ogg file (audio) with multiple track?
3
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0answers
1k views

How to convert Softsub Video file to Hardsub Video file?

How to convert Soft-sub Video file to Hard-sub Video file ? I have many mkv video files but I can't watch this videos because the subtitles don’t appear so I want to convert this files to Hard-sub ...