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

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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.
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Can't locate specific package

I'm completely new to ubuntu. I would like to install this package But when I try to install it using commandline apt-get install libavcodec57 the package is not found. So my question: Is this ...
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250 views

Installing libav 10 on Ubuntu 14.04

I need libav version 10 or higher. I'm running Ubuntu 14.0.3. I have versions 9.18-6 installed. Looking at https://libav.org/download/ - I see some source files I could try to compile - but I'd ...
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566 views

To install Ubuntu restricted extras, these items must be removed

when I want to install Ubuntu restricted extras, it says that to install Ubuntu restricted extras, these items must be removed: Libav codec library libavcodec54. I want to know that what will ...
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328 views

Uninstall libav packages after re-installing from source

I'm running kubuntu 14.04 and don't plan on upgrading until at least these summer holidays. The libav packages provided are somewhat outdated (two major versions behind) and produce unsatisfying ...
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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 ...
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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 ...
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LibAv: Set a custom Header in RTSP stream

I am trying to play a chunk of video retrieved from an Axis M3004V camera. The camera is continuously recording video in an internal MicroSD card. That video receives a recordingid I can use to query. ...
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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 ...