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Libav provides cross-platform tools and libraries to convert, manipulate and stream a wide range of multimedia formats and protocols. avconv is a very fast video and audio converter that can also grab from a live audio/video source. It can also convert between arbitrary sample rates and resize video on the fly with a high quality polyphase filter. AVplay is a very simple and portable media player using the Libav libraries and the SDL library. avprobe gathers information from multimedia streams and prints it in human- and machine-readable fashion. avserver is a streaming server for both audio and video. Command line tools.

Free software
OS:Linux
Version:12.2
Released:Sep 30,2017
File size:7.2MB
6.9/10
6 votes

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Libav screenshot
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Latest version

12.2 (September 30, 2017)




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Download Libav 12.2  [7.2MB]  [Linux]  [Portable]




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Download Libav old versions




Supported operating systems

LinuxLinux




License

Free software




Version history / Release notes / Changelog


version 12.2:

- mpegvideo_motion: Handle edge emulation even without unrestricted_mv (bug/962, bug/1060)
- smacker: Check that the data size is a multiple of a sample vector (CVE-2015-8365)
- build: Add an option for passing linker flags to the shared library build
- configure: Simplify and fix libxcb check
- openssl: Support version 1.1.0.
- rtmpdh: Don't use the OpenSSL DH struct
- dvbsubdec: Fixed segfault when decoding subtitles
- doc: Drop the legacy symlink to README
- dfa: Disallow odd width/height and add proper bounds check for DDS1 chunks (CVE-2017-9992)
- rmdec: don't ignore the return value of av_get_packet()
- caf: add an Opus tag
- h264dec: Fix mix of lossless and lossy MBs decoding
- h264_cabac: Fix CABAC+8x8dct in 4:4:4
- h264dec: fix Lossless Decoding (Profile 244) for 8x8 Intra Prediction
- h264dec: track the last seen value of x264_build
- h264dec: use a large enough field for reference list modification values
- yadif: Account for the buffer alignment while processing the frame edges (bug/1031)
- mov: log and return early on non-positive stsd entry counts
- mov: Do not set stsd_count if mov_read_stsd() fails
- mov: move stsd finalization to an appropriate place (bug/1072)
- arm: Fix SIGBUS on ARM when compiled with binutils 2.29
- smacker: return meaningful error codes on failure
- smacker: fix integer overflow with pts_inc (bug/1073)

View full changelog




Sections/Browse similar tools






Alternative to Libav


ffmpeg







Guides and How to's




Acronyms / Also Known As

Libav, avconv, avplayer, avprobe, avserver



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6 reviews, Showing 1 to 5 reviews

It seems that branch 12 will bot released before I am 6 feet under!
That sucks! LIBAV is not a good choice for developers who wants to be up-to-date!
Your overall better choice is FFMPEG!



Aug 4, 2016 Version: 11,7 OS: Windows 7 64-bit Ease of use: 3/10 Functionality: 10/10 Value for money: 10/10 Overall: 5/10



Still no branch 12 to see on the horizon!
That makes me tired...



Mar 1, 2016 Version: 12 OS: Windows 7 64-bit Ease of use: 1/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10



It still does not have proper support for Avisynth 2.6, is a shame.


Feb 29, 2016 Version: Libav OS: Windows 7 Ease of use: 5/10 Functionality: 5/10 Value for money: 5/10 Overall: 5/10



Simply annoying is the long time between major release versions. Version 12 is under development since more than a half year, but we still see no release version announced. I just complain about it because most open source software developer do not use nightly builds so new features not come to life in proper libav based softwsae tools while ffmpeg based tools have it included due to their faster integration to release versions & the shorter release cycles.
I do not say that ffmpeg is more better than libav or the other way around. I just say that great developments does not cone to life without a force to release it soon. Development in libav is great, but please let it out all the good work you did to can use all the good work in great tools such as VLC Player or Handbrake. If these tools would use ffmpeg libraries the missing features & format support would be already a part of it...

My hope for the future is to see libav & ffmpeg teams joined.



Nov 1, 2015 Version: 12 OS: Windows 7 64-bit Ease of use: 5/10 Functionality: 10/10 Value for money: 10/10 Overall: 5/10



Twelve years ago that Avisynth use, in ffmpeg I have no problems, in mencoder I have no problems, in libav:

"avconv version v12_dev0-1322-g4e17946, Copyright (c) 2000-2015 the Libav developers
built on May 24 2015 18:24:04 with gcc 4.8.3 (Gentoo 4.8.3 p1.1, pie-0.5.9)
C:\Program Files (x86)\LIBAV\usr\bin\LIBRA.avs: Invalid data found when processing input"

Please fix it.
Thank you.






Jun 2, 2015 Version: Libav 11.4 OS: Windows 7 64-bit Ease of use: 10/10 Functionality: 5/10 Value for money: 10/10 Overall: 5/10


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