Ask Ubuntu
Ask Ubuntu

Questions tagged [mkv]

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

The Matroska (mkv) container was first developed in 2002 and can hold almost unlimited video, audio and subtitle streams. Playback of files using this container is easily undertaken with any of the major media players under Ubuntu with creation and manipulation of these files possible with such utilities as avconv and mkvtoolnix-gui.

86 questions
210
votes
7 answers

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 do it with native Ubuntu tools? Transcoding is…
Seppo Erviälä
  • 5,825
72
votes
3 answers

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 program to extract the subtitle from a mkv file?
vladmateinfo
  • 1,475
34
votes
6 answers

Joining Two MKV files in Ubuntu?

I have an opera that I'm ripping to my computer in MKV format with Handbrake. This opera is on two discs. Is there a way to join the resulting MKV's together? They will have the same bitrate, resolution, etc. If I do this, can I keep chapters from…
Ryan McClure
  • 6,119
29
votes
6 answers

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 gcc 4.6.3 *** THIS PROGRAM IS DEPRECATED *** …
JohnS
  • 291
  • 1
  • 3
  • 6
13
votes
3 answers

How to check the integrity of downloaded big mkv files

Just downloaded a big mkv file which is more than 20GB. It took me several days to finish the downloading. But, how to check whether the download has been completed, or it was just aborted halfway? I have this question, because for a mkv file,…
Qiang Xu
  • 267
  • 2
  • 3
  • 8
11
votes
3 answers

Using avconv, when remuxing to MKV, is there a way to fix packed AVI input files?

Due to compatibility bugs between Plex server and Panasonic TVs, the only way to get it to work well is remux everything to MKV, straight copy all streams (video, audio, subtitle) Seems simple enough: avconv -i "input.avi" -c copy…
RoboJ1M
  • 732
11
votes
2 answers

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?
tandoni86
  • 113
11
votes
3 answers

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 $(xwininfo -root | grep 'geometry' | awk '{print…
Javier López
  • 1,476
10
votes
2 answers

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 because the format is not supported." while…
arbitropy
  • 413
8
votes
2 answers

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 358. VLC media player 2.2.1 Terry Pratchett…
Kwaadpepper
  • 634
7
votes
3 answers

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 (or purple or pink but they are all monochromatic…
Sumeet Deshmukh
  • 9,296
7
votes
4 answers

Can't play .MKV files

Im using a an Acer Aspire Revo R1600 and for some odd reason with this new version of Ubuntu i can't play .MKV files anywhere. I have always had flawless playback but now im getting a weird message from the video player. "Could not find GStreamer…
Lorenzo L.
  • 83
7
votes
3 answers

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 my DVD collection is continuing to expand I'm…
nf313743
  • 941
6
votes
1 answer

VLC does not support the audio or video format "hevc"

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: VLC does not support the audio or video format…
Tammy
  • 61
6
votes
1 answer

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. This problem occurs in the middle of the movie…
user2548663
  • 61
  • 1
  • 1
  • 2
1
2 3 4 5 6