Questions tagged [mkv]
Questions relating to the Matroska (mkv) audio/video multimedia file format
20
questions
200
votes
7
answers
374k
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How to convert .mkv file into .mp4 file losslessly?
I need to convert a video file from Matroska container into mp4 container. Matroska file contains one h.264 video track and one AC3 sound track. It should be possible to do this losslessly, but how to ...
- 5,645
68
votes
3
answers
101k
views
Extract subtitle from mkv files
The problem is that videoplayers in Ubuntu have a problem with integrated central european subtitles.The solution is to extract them. Does anyone knows if there is a command in the terminal or a ...
- 1,435
26
votes
6
answers
114k
views
Convert mkv to mp4 with ffmpeg
When I try converting mkv to mp4 using ffmpeg, the following error occurs:
version 0.8.3-4:0.8.3-0ubuntu0.12.04.1, Copyright (c) 2000-2012 the Libav developers built on Jun 12 2012 16:52:09 with ...
- 261
7
votes
3
answers
4k
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 (...
- 8,856
4
votes
1
answer
15k
views
Why can I hear only a few audio channels when playing video files?
When I play specific MKV files there is not all the sound. There is actually only the background sound, like a song on the background, but I hear no talking.
The strangest thing is that it is not for ...
- 41
3
votes
2
answers
33k
views
How to properly play .mkv files?
I am having a problem while playing .mkv files. Every time I play a .mkv file, the audio can be heard but video cannot be seen. The only way to see the video if I actually right click on it or put a ...
- 395
11
votes
3
answers
23k
views
Add an audio file to and mkv video
I'm quite new to multimedia things, I'm trying to find a way to make nice screencasts, I've already been able to capture my desktop with ffmpeg:
$ ffmpeg -f alsa -ac 2 -i hw:0,0 -f x11grab -r 30 -s $(...
- 1,446
8
votes
2
answers
7k
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 ...
- 624
7
votes
3
answers
27k
views
Ripping DVD movie to near lossless video and audio quality
In the past I've been backing up my DVDs films as an .iso image to ensure that I have the best possible quality and that I could at a later date encode a movie/show to any format I want.
However, as ...
- 911
6
votes
4
answers
14k
views
Trying to convert MKV to MP4 with avconv, failing
I am trying to convert an MKV file to MP4 to be compatible with my PS3. I am using:
avconv -i file.mkv -c copy file.mp4
It fails and I get the following error:
[mp4 @ 0x8a17c00] pts < dts in ...
6
votes
0
answers
7k
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 ...
- 115
4
votes
4
answers
2k
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 ...
- 43
4
votes
2
answers
20k
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-...
- 3,474
3
votes
4
answers
6k
views
Why doesn't .mkv files play properly with ubuntu-restricted-extra?
I am running Ubuntu 10.04 with ubuntu-resticted-extra installed. When I play .mkv with the default player, totem it causes the player to stop suddenly without any warning after a random amount of time!...
- 1,491
3
votes
2
answers
2k
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?
...
- 33
2
votes
0
answers
83
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 ...
- 73
1
vote
1
answer
1k
views
Set MakeMKV installed with snap to see optical drive
Snap seemed to me the easiest way to install MakeMKV.
I ended up with a program that starts but doesn't react to the presence of a DVD. Trying to navigate manually to the drive, the /media folder is ...
- 3,474
1
vote
1
answer
1k
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-...
- 8,856
0
votes
1
answer
1k
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, ...
- 19.5k
0
votes
0
answers
939
views
Ver 20.04 LTS trying to play MKV files in VLC
Ubuntu ver 20.04.2 LTS
VLC ver is 3.0.12.1
Updates are current
Using the below list of Preferences changes to VLC I have managed to get some MKV files to play but not all.
Here is one video that ...