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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42 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 The libav packages provided are somewhat outdated (two major versions behind) and produce unsatisfying ...
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6k 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 ...
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68 views

can't play wmv files - Failed to initialize the VAAPI device

I'm trying to run wmv files, and tryed some advices from here, but without any success. I have vlc and ubuntu-restricted-extras. I also did a purge, autoremove and re-installthem. This is what I ...
2
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0answers
841 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 ...
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84 views

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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180 views

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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421 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 ...
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configure: error: Could not find libavformat - part of ffmpeg after installing libav from source and trying to compile minidlna

I tried to install minidlna on my machine but it appeared to me that it's not in repositories anymore. Well then I decided to compile it myself. After downloading version 1.1.3 I tried to compile but ...