Questions tagged [codecs]
Device or computer program capable of encoding and/or decoding a digital data stream or signal.
0
votes
1answer
74 views
Convert .gsm to .wav wiht SOX
I'm trying to convert one music files with format .gsm to format .wav. This is how I tried
for f in *.gsm; do sox $f new/${f%.wav}; done
The result is that I get the same files with the same format ...
1
vote
0answers
42 views
videoplayer can't decode subtitles
While playing video it says that PGS subtitle decoder is required to play.
Is there anyway I can install these codecs from, as Ubuntu software center doesn't find it?
Thank you.
0
votes
0answers
73 views
How to add mp4 support for MATLAB via GStreamer
Symptom: implay('OverheadCam.mp4'); returns:
Error Occurred while attempting to read file. Incorrect chunk size information in AVI file.
Display supported video formats from the MATLAB command line:...
0
votes
1answer
50 views
Curlew reporting missing codecs
Just did a fresh install of Bionic Beaver and used aptik to restore my PPAs and software from Xenial. When I try to convert an MP4 video to WebM using curlew I am seeing:
"libvorbis" audio codec not ...
1
vote
1answer
172 views
Compile opus-tools with opus 1.2.1
I would like to compile opus-tools with libopus 1.2.1.
I got libopus 1.2.1 source code from here :
https://opus-codec.org/release/stable/2017/06/26/libopus-1_2_1.html
I extracted it, and then did :
...
0
votes
0answers
44 views
codecs: why keeping useless codecs?
After having updated from Ubuntu TLS 16.2 to Ubuntu 18.4.1 I experienced some problems by reading videos stored on my hard disk, the formats of which are mpeg or mp4. Effects are intermittent ...
0
votes
1answer
117 views
How to play AV1 videos on Ubuntu 16.04.5
In both totem and vlc, I cannot play AV1 videos. Sample videos can be downloaded here.
How can I watch AV1 videos on Ubuntu 16.04.5?
3
votes
2answers
912 views
How to encode and playback video with the AV1 codec under Bionic Beaver?
Apparently, Chrome 69 beta includes support for the Alliance for Open Media AV1 codec. The feature seems pointless without the ability to encode video with the new codec.
How can video be encoded ...
0
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0answers
11 views
how when i will add a parameter like this?YUV [duplicate]
I am trying to encode a raw yuv file.
how when i will add a parameter like this?
Video name = akiyo_cif.yuv speed frame=30fps type frame = IPP Codec=MPEG4 bitrate(bps)=29745bps
Can anyone help me ...
0
votes
2answers
532 views
install FFmpeg codecs to make gifcurry work
I'm trying to use gifcurry on Ubuntu 16.04 but I get the following warning which will not allow me to select my mp4 I created in KdenLive.
I installed gifcurry as instructed on the site. It opens up ...
0
votes
0answers
32 views
Video playback artifacts [duplicate]
When I watch movies I see annoying "artifacts". It looks like parts of video are slid a bit horizontally. Artifacts depend on how different is frame from next one, in other words on how much action is ...
0
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0answers
25 views
FFMPEG Installing codecs into right directory [duplicate]
I have installed ffmpeg manually into home/pi/x264/ffmpeg directory. Now i need to install codecs. I tried all of them in this page but i had no chance. Still getting Unknown encoder 'libvo_aacenc' ...
1
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1answer
514 views
Problems playing videos
When I open video files (mp4, mkv, avi) in default Ubuntu 17.10 app ("Videos") I get messy picture with little color squares and after few seconds it totally freezes my screen, so I must restart ...
0
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0answers
31 views
MPEG-1 Layer 3 suddenly became extremely quiet
After an update yesterday on Linux Mint 18.1 Serena some video and audio files suddendly became quiet.
They are extremely quiet, but not 100% silent. I can hear wispering.
All of them are encoded as "...
1
vote
1answer
1k views
Not able to play .avi files with VLC media player on Ubuntu Mate on Raspberry pi2
What to do if I can't play a .avi file with VLC media player? (the only video software installed on Ubuntu mate).
The window is automatically closed.
I'm not able to play any other .avi files.
fresh ...
0
votes
2answers
345 views
Compile opus-tools with opus 1.2.1 (Ubuntu 17.04)
How do I compile opus-tools to use Opus 1.2.1?
I've manually installed the latest version of Opus
wget https://archive.mozilla.org/pub/opus/opus-1.2.1.tar.gz
tar -xzf opus-1.2.1.tar.gz
cd opus-1.2.1
...
0
votes
1answer
463 views
configure: error: vpx_codec.h not found while installing php-gd bundled extension
While installing php-gd bundled extension to make imageantialias() function work without re-compiling php, ./configure script have thrown following error:
sudo ./configure --with-php-config=/usr/bin/...
0
votes
1answer
377 views
What's wrong when VLC says “cannot find hdrl or movi chunks”?
I BT-downloaded an avi movie "Gintama 2017.avi". I want to play it but I fail.
ffprobe:
ffprobe version 2.8.11-0ubuntu0.16.04.1 Copyright (c) 2007-2017 the FFmpeg developers
built with gcc 5.4.0 (...
1
vote
1answer
305 views
error: Unable to initialize the encoder: Transport library initialization error
I'm trying to run an audio encoder using ffmpeg command but when I try to encode in aac_ld codec or aac_eld codec, it gives me an error stating that...
[libfdk_aac @ 0x1e20770] Unable to initialize ...
0
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0answers
25 views
Installing plugin to play media files [duplicate]
I just installed Ubuntu, when I want to play a media file it requires to install plugins to play media files. how to do that?
0
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0answers
274 views
Installed packages suggested and still can't play DVDs?
I'm using Ubuntu 16.04 LTS on a 2007 iMac. When I try playing DVDs with VLC, the language selection menu takes me back to the orange cone screen or just doesn't play at all. I've installed all the ...
1
vote
0answers
285 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 ...
0
votes
1answer
462 views
Why can't the default Ubuntu video player play MPEG4 movies without downloading additional codecs?
I know default video player in Ubuntu can download required codecs to
play MPEG4 files.
But I wonder why they are not embed this wide using codecs by default.
Suppose a user cannot access to ...
6
votes
1answer
9k views
How to convert a video with ffmpeg into the DNxHD / DNxHR format?
I am following a tutorial on how to work with cinelerra-cv,
in the very beginning it was said, that the very first step
in working with cinelerra, is to convert whatever video clip
one has into the ...
1
vote
0answers
31 views
How can I make the audio of this mp4 downloaded with youtube-dl work? [duplicate]
I opened the terminal of blender suite and typed:
youtube-dl -f22 youtubeaddress
The specifics of format 22 of the youtube-dl program is as follows:
22 mp4 1280x720 hd720 , ...
1
vote
0answers
246 views
What packages are required to play .mp3 files in Chromium?
I have the following packages installed.
ubuntu-restricted-extras
chromium-codecs-ffmpeg-extra
Howevever, I still cannot play .mp3 files in Chromium.
Example: https://degrowthaudiobook.wordpress....
0
votes
0answers
95 views
Playing Apple's iMovie dv-file on Ubuntu?
I couple of years ago I copied a lot of old family videos using firewire and Apple's iMovie.
I moved now more or less to Ubuntu. I was wondering how I can play this files? I can play them with VLC, ...
1
vote
2answers
1k views
Clementine doesn't play m4a anymore after 16.04 upgrade
When my system was 14.04 I had this problem and this fixed it.
Now I upgraded the system to 16.04, I didn't find clementine so I installed it. It couldn't play m4a files so I found my old solution ...
1
vote
1answer
1k views
video.js won't playback in Firefox, video/mp4" is not supported warning
I'm new to Linux desktop environment.
I've just recently install a fresh Ubuntu Desktop 16.04 and Fedora 25 to learn.
I've installed Firefox 51.0.1 on both Linux platforms as well as on a Windows 7 ...
1
vote
1answer
460 views
How to play Geovision video files in Ubuntu
I will need to playback some video that was made in a Geovision video camera which has its own format.
I was told that there may not be a way to play them in VLC or any other because the video file ...
0
votes
2answers
280 views
PhotoFilmStrip bug
I finally managed to install PhotoFilmStrip on my Ubuntu 16.04.
The latest version I found was photofilmstrip_2.1.0-1_all.deb.
Although I had to install manually some dependencies, it looked like I ...
5
votes
2answers
8k views
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 ...
2
votes
1answer
3k views
vlc cannot play mkv and mp4 formats
Installed vlc (VLC version 2.2.2 Weatherwax) from the 16.04 LTS official repo. I have the ubuntu-restricted-extras. Videos play with totem (3.18.1) but if I try to run vlc -vvv file_name it crashes ...
1
vote
1answer
222 views
Multimedia/codecs issue
After upgrading my 16.04LTS to 16.10 last night, neither videos nor music is playing with standard players (rhythmbox, etc). It is definitely a codec issue b/c vlc player works fine.
I reinstalled ...
1
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0answers
31 views
USB Camera streams with very low brightness with motion
Trying to make live view from USB camera. But it shows dark screen (Low brightness) but you can see things like - light, flashlight :D I'm using motion package. Any Ideas?
1
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0answers
32 views
How to install codec [duplicate]
How to install codec on live Ubuntu 16.04 LTS?
If I try run sudo apt-get update, I get this message:
comunicate "** (appstreamcli:6785): CRITICAL **: Error while moving old database out of the way....
5
votes
3answers
6k views
How to update libavcodec on Ubuntu 14.04 : vulnerability associated [duplicate]
The fix to the error in Firefox showing libavcodec may be vulnerable is contained in the following link, however the vulnerability referred to in the notification is not exactly described.
The ...
45
votes
5answers
101k views
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
...
2
votes
0answers
53 views
Anyone else getting errors when installing codecs with 16.10?
If I click the box to install codecs during install I'll get a system has encountered a problem error, no details, by the time I go to create my user. If I install codecs after an install it errors ...
0
votes
0answers
397 views
“GNOME Videos” (Totem) does not play web videos
When I copy a url from Youtube for example, and go to GNOME-Videos's menu and click on
Movie>Add web video.
It does not work.
Just only once "GNOME Videos" showed me a error message saying that I ...
0
votes
1answer
258 views
Videos Do Not Play in Ubuntu/Kubuntu/Mint 16.04 VM
I have the exact same Kubuntu virtual machines set up on a Windows host and a Mac host in VirtualBox.
The VMs under the Mac can play web media right out of the box. The VMs under the Windows 10 host ...
0
votes
0answers
246 views
Kubuntu video playing problem
Recently I switched to Kubuntu 16.04, and any video won't play. I use vlc, Dragon-something, it just won't play. I hear the sound of the video, but it won't show picture. I searched for codecs/drivers,...
3
votes
1answer
1k views
Audex ripper codecs and FreeDB database access
I'd rather know how to download the codecs (mp3 flac etc etc) for Audex (ripper), is there a way to get them using the terminal? I have tried with the links available on ubuntu site but nothing ...
1
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0answers
64 views
Great quality video and audio with ffmpeg2theora?
Xenial Xerus has a decent version of ffmpeg2theora:
andrew@athens:~$ ffmpeg2theora | head -n 6
ffmpeg2theora 0.29
Xiph.Org libtheora 1.1 20090822 (Thusnelda)
Xiph.Org libVorbis 1.3.5
...
1
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0answers
710 views
VLC Crashing x265 video despite installing all codecs (14.04, 32bit)
I have installed the libde plugin and the restricted Ubuntu extras. It crashes immediately on launch whenever I open an x265 file.
I am using the iGPU:
description: VGA compatible controller product:...
0
votes
1answer
2k views
How do I convert from wav to GSM under Ubuntu?
I would like to convert some wav files to GSM:
https://en.wikipedia.org/wiki/GSM
How can I go about this under Ubuntu?
1
vote
1answer
1k views
Matlab cannot find the mpeg codec on ubuntu 16.04
I have MATLAB(64 bit) 2011a and Ubuntu 16.04.
When I try to execute the following MATLAB command-
v=VideoReader('demo.mp4');
I get the following error -
------------
??? The file requires ...
1
vote
0answers
521 views
Skylake iGPUs support hardware accelerated decoding of most video formats. What libraries do I need to enable them in Chrome and Totem?
According to Wikipedia, Skylake iGPUs support hardware accelerated decoding of H.265/HEVC, H.264/MPEG-4 AVC, MPEG-2, VC-1, WMV9, JPEG/MJPEG and VP9. What packages do I need to install to enable ...
2
votes
1answer
782 views
Using ffmpeg to encode from yuv to m4v with MPEG-4 encoder
I am trying to encode a raw yuv file to m4v as follows:
ffmpeg -s cif -r 30 -b 64000 -bt 3200 -g 30 -i akiyo_cif.yuv -vcodec mpeg4 a02.m4v
But it did not work and I got this error from the console ...
1
vote
1answer
1k views
Lossless video compression codecs
I want to create a video (bar.xxx) that is lossless from a video (foo.xxx) using ffmpeg. Could you please show me the parameters for such a video. The video must be playable on VLC and/or Totem. The ...
