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

learn more… | top users | synonyms

1
vote
0answers
49 views

How do I install ffmpeg? [duplicate]

I need to install the package ffmpeg because I am trying to install subsonic server on my new Ubuntu Gnome 14.04 When I try: apt-get install ffmpeg I get: Some packages could not be installed. ...
0
votes
1answer
36 views

libav : deinsterlace option?

I have compiled from GIT sources the libav 2014-march-10. On usual libav from Ubuntu repositories, I was able to use -deinterlace to... well, deinterlace the video. Now this option appears to be ...
0
votes
1answer
36 views

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, ...
1
vote
0answers
202 views

avprobe - doesn't output json document

I'm trying to create a json file with information of a mp4 file with avprobe, but it doesn't print nothing. The command avprobe -v 0 -show_format -of json myvideo.mp4 My avprobe version avprobe ...
0
votes
1answer
4k views

Installation of libavcodec-extra or libmp3lame fails

I'm trying to install ffmpeg on my dedicated server running on ubuntu 10.04. I want to convert flv-videos to mp3 sound files. As I found out, I have to install libavcodec-extra-52. When I use sudo ...
1
vote
0answers
77 views

Specify shared library location for VLC

I built (from source) a newer version of libavcodec.so, libavformat.so, etc. than provided by the Ubuntu repositories. (My newer versions are installed in /usr/local/lib). Using ldd /usr/bin/vlc to ...
4
votes
2answers
916 views

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 ...
2
votes
2answers
368 views

12.04 upgrade libav from 53 to 54

I am using the latest release of blender 2.66 on 12.04 from the command line. It is looking for libavformat.so.54 but I only seem to have libavformat.so.53 installed, and cant find a way to upgrade ...
0
votes
0answers
194 views

'libpostproc' requires 'libavutil = 51.22.1'

I get the following error when I ./configure vlc source: configure: error: Package 'libpostproc' requires 'libavutil = 51.22.1' but version of libavutil is 52.38.100. Pass --disable-postproc to ...
1
vote
1answer
904 views

How to install libav from launchpad?

How could I install this package from launchpad on ubuntu 12.04?? https://launchpad.net/ubuntu/+source/libav
0
votes
0answers
102 views

Avconv secondary audio input not working

Hello my fellow Ubuntu users, i have written a simple shell script so it starts avconv and records my screen video, microphone and speakers. The problem is that it only records the first audio device ...
1
vote
0answers
331 views

Is 'libavcodec-unstripped-52' still available?

When coming to converting media in ffmpeg and avconv, there are a lot of solutions on the net as well as on askubuntu indicating to install libavcodec-unstripped-52. But in Lubuntu and Xubuntu ...
1
vote
1answer
3k views

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}" ...
1
vote
0answers
88 views

Which settings for re-compiling libav-tools?

Which settings is Ubuntu's package libav-tools compiled with? I want to re-compile libav-tools (even better: the whole libav) without adding or removing its features.
2
votes
1answer
294 views

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?
1
vote
1answer
440 views

Muxing h264 stream into mp4

I've a H.264 stream (.264). How do I pack (mux) it into a .mp4 file? I know I need to use avconv, but I couldn't get it to work.
2
votes
1answer
83 views

Can Not install available update

i can't check to install this available update here is my problem about my ubuntu: i have tried it from terminal with sudo apt-get update, but it still unsolved