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Questions tagged [libav]

Libav is a complete, cross-platform solution to record, convert and stream audio and video. It includes libavcodec - the leading audio/video codec library.

Libav is a complete, cross-platform solution to record, convert and stream audio and video. It includes libavcodec - the leading audio/video codec library.

Source: libav.org

40 questions
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Are ffmpeg56 and ffmpeg54 packages discontinued?

It seems that the following packages were not included in official yakkety repos, even if they were in xenial. libavcodec-ffmpeg-extra56 libavformat-ffmpeg56 libavutil-ffmpeg54 Are they unuseful / discontinued or should I consider that the…
jasmines
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6
votes
2 answers

Very slow conversion with avconv (libav) - Trusty Tahr 14.04?

Yesterday I installed the latest Kubuntu release 14.04. So I meet a little problems with the media conversions. The old FFmpeg is finally replaced with avconv which is in the libav-tools library. Till now i was using ffmpeg and every mp4 or flv to…
m1nev
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2 answers

Why can't I watch video after installing the original ffmpeg fork from Jon Severinson's PPA?

I just installed the Jon Severinsson ffmpeg PPA, and I cant watch any video and get audio only, I get a need extra plugins needed install? and then packaged dependencies could no be resolved . Here are the screenshots, any help?
Gabriel Rojas
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5
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1 answer

configure: error: avcodec headers not found

I'm compiling a source code that generates following error: checking for avcodec.h... no checking for libavcodec/avcodec.h... no checking for ffmpeg/avcodec.h... no checking for libav/avcodec.h... no checking for ffmpeg/libavcodec/avcodec.h...…
SuB
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5
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2 answers

How to install libavcodec54 in ubuntu vivid?

Apparently spotify needs libavcodec54 (or 53 or 52) to play local mp3 files. Unfortunately - it doesn't work with libavcodec56 which is in Vivid. I tried symlinking libavcodec56 under name of *54, but it didn't work. I also tried to compile from…
user70436
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5
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1 answer

Is it possible to have both libav and ffmpeg installed and running on ubuntu 14.04?

I want to use Clementine but it needs ffmpeg to be installed if I want to play .ape files from it. On the other way, I still want to have VLC up and running, and I understand that VLC does no longer use ffmpeg, but libav. (by the way, VLC plays all…
oneaty
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How to install libavcodec53 and libavformat53 so that I can use JavaFx in Ubuntu 16.04

I want to use JavaFX in Ubuntu. According to this link, I have to install libavcodec53 and libavformat53. I googled and came across sites like this, which suggests to use sudo apt-get update sudo apt-get install libavcodec53 for Ubuntu 12.04 and…
george
  • 141
4
votes
1 answer

Gnome videos (Totem) cannot play mp4 video

My attempts to get it to work with gnome video (Totem) fail due to a missing decoder: $ xdg-open some.mp4 The error message displayed is: meta/x-gst-fourcc-mett decoder is required to play the file, but is not installed Clicking "Find in Ubuntu…
Brett Holman
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3
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1 answer

using ffmpeg in bash script prints video data to stdout

I'm writing a bash script to convert some videos the problem is when I run ffmpeg directly in terminal it is OK and converts video correctly but when I use it in bash script it prints lots of data (like the dump of video file) in stdout…
Ariyan
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3
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2 answers

Self-compiled FFmpeg, checkinstall and APT dependencies

I've compiled FFmpeg and installed it with checkinstall. Now, I'm trying to install OpenCV development files, but it wants to install libavcodec-dev libavcodec54 libavformat54 libavutil-dev libavutil52 from Ubuntu's repositories, which breaks…
m132
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3
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2 answers

converting multiple files with avconv...libmp3lame0 not found

I have about 20 .webm files that I would like to convert to audio in the terminal. I want to do avconv -i *.webm -acodec libmp3lame0 -aq 4 *.mp3 I tried: for i in *.webm; do avconv -i "${i}" -acodec libmp3lame0 -aq 4 "${i%.wemb}.mp3"; done but it…
yung galbanum
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3
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1 answer

Video Conversion using libav with libopus

i need to convert my video files with VP8 / Opus in Matroska(mkv) container using avconv in terminal Can anyone give example usage of it?
Sam
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1 answer

How can I revert libavcodec-extra-54 to libavcodec54?

I am on Ubuntu 14.04.3 32bit platform. I want to compile opencv, it requires libavcodec-dev. I want to install it but it needs a long list of packages. It would be easy if I could just install them all with just one click. Unfortunately I encounter…
kenn
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Open Cv installation problem

I am following this link for installing OpenCv but on the make step I came across an error: home/aman/opencv/opencv/modules/videoio/src/ffmpeg_codecs.hpp:98:7: error: ‘CODEC_ID_H264’ was not declared in this scope { CODEC_ID_H264, MKTAG('H', '2',…
iec2011007
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2
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1 answer

build libav from GIT using --enable-*

I need to get a newer version of libav-tools (containing avconv) to get the AAC-encoder to resample an input 6-channel audio stream into an output 2-channel one. I successfully built the package, but I realized after that I needed to ./configure…
MrVaykadji
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