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Questions tagged [codecs]

Device or computer program capable of encoding and/or decoding a digital data stream or signal.

293 questions
150
votes
3 answers

How to install H.265 / HEVC codec on Ubuntu Linux?

I have seen that the new DivX Player 10 shows off H.265/HEVC playback, the successor of H.264. I wonder how I may get this support in Linux. Is there a need to install a codec specific for this format? How?
Majal
  • 8,249
146
votes
7 answers

How to install the MPEG-4 AAC decoder and the H.264 decoder?

Where do I get the MPEG-4 AAC decoder, and the H.264 decoder. How to install them and play the multimedia?
Balram Jamale
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100
votes
9 answers

How can I play encrypted DVD movies?

My machine can't play encrypted DVDs on a fresh install. How do I add this capability? Another useful bit of information would be what programs are best for playing DVDs, once I'm able to do so. See the similar question here. Will I be able to…
eugenemarshall
  • 3,213
89
votes
5 answers

After installing Ubuntu 22.04, the default video player is unable to play any videos

The default video player (Totem) is unable to play videos after installing Ubuntu 22.04. I tried opening an MP4 file and I get the error (also shown in the screenshot): An error occured The specified movie could not be found. I also tried…
Balakumar
  • 991
65
votes
3 answers

How can I convert an ogv file to mp4?

I created a screencast using recordmydesktop which produced an .ogv file. I believe this is an OGG file encoded using the Theora codec. I'm wondering how can I convert this to MPEG4/H.264? I've tried to use FFmpeg in a naive way, as follows: ffmpeg…
jbeard4
  • 1,101
49
votes
6 answers

How to update libavcodec on ubuntu 14.04?

On Ubuntu 14.04.5 I just upgraded firefox to version 50.0; now there is a message on some pages which reads: libavcodec may be vulnerable or is not supported, and should be updated to play videos So how can I update libavcodec? A simple sudo…
Alex
  • 1,115
46
votes
4 answers

How to install all existing media codecs?

How to install all possible media codecs from console? Is there a way to load and save them for some cases without Internet connection? Thanks in Advance!
skater_nex
  • 571
34
votes
2 answers

Fastest way to convert videos (batch or single)?

I know there are a lot of questions about video encoders around here, but my question is more about workflow/efficiency. For my day job, I need to convert videos, frequently, from many random formats (usually large AVI, M4V, and what not) and…
Garrett
  • 393
33
votes
6 answers

How can I watch Blu-ray discs?

I've got a Blu-ray drive and I'd like to be able to use it to watch movies under Ubuntu.
Kees Cook
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33
votes
4 answers

How to find out what codec is being used in a video

How can i see what codec was used in a video (Audio/Video) and extra information about what to use to reproduce the same compression/quality to the video.
Luis Alvarado
  • 216,643
32
votes
8 answers

How to play .mp4 movies?

I have a .mp4 movie (it's an .mp4 file, and the "video codec" is Xvid, and the "audio codec" is mp3) that I want to play, but when I try to open it in MPlayer, it says "The steam is encrypted and decryption is not supported." I tried to apply the…
Andrew
  • 515
24
votes
3 answers

How to install / compile NVENC in ubuntu?

I see support for nvidia NVENC in this document, but it seems confusing, some step by step? or PPA with ffmpeg-nvenc for…
Fast OS
  • 241
23
votes
4 answers

100.0% usage by Audio codec hwC0D0: Realtek

I ran powertop, and it says that the Realtek audio codec is using 100.0% of the cpu. Is this a problem? I'm running Ubuntu 11.10 32-bit on Intel® Core™ i7 CPU M 640 @ 2.80GHz × 4 Sony VAIO laptop.
functionptr
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22
votes
2 answers

Twitter media cannot be played from Firefox

I just installed Ubuntu 16.10 but it cannot play some videos from Twitter in Firefox. Instead, I get a message, something like This media cannot be reproduced. If I open the Firefox console, I see this message: The video on this page can’t be…
brandizzi
  • 1,594
22
votes
3 answers

Is it possible to view WebP images in nautilus / photo program?

I've converted some images from jpeg to google's WebP image format, which reduces my images' size by about 90%! The big problem is that WebP images can only be viewed with a web browser, not with nautilus (the thumbnails) and/or any photo program at…
Kapé
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