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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
Win Win Linux Linux

Version:10 History
Released:

Size:20MB


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6.5/10
1 votes


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  Latest version:
10 (March 23, 2014)


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Download Libav from developer's site (20MB)


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Download Libav latest beta version

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Supported operating systems:
Windows Linux


Sections/Browse similar tools:
Linux video toolsVideo Encoders / Converters

Libav screenshot
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Version history/Release notes:
version 10~beta2:
- compand audio filter
- and many various smaller fixes, for a full changelog, please refer to:
cf. https://git.libav.org/?p=libav.git;a=shortlog;h=refs/tags/v10_beta2

version 10~beta1:
- av_strnstr
- support ID3v2 tags in ASF files
- reference-counting for AVFrame and AVPacket data
- avconv now fails when input options are used for output file
or vice versa
- avconv options -filter_script and -filter_complex_script, which allow a
filtergraph description to be read from a file
- uniform options syntax across all filters
- interlace filter
- JPEG 2000 decoder
- asetpts filter (same as setpts, but for audio)
- trim and atrim filters
- avconv -t and -ss (output-only) options are now sample-accurate when
transcoding audio
- Matroska muxer can now put the index at the beginning of the file.
- avconv -deinterlace option removed, the yadif filter should be used instead
- Apple Intermediate Codec decoder
- Escape 130 video decoder
- support for slice multithreading in libavfilter
- VC-1 interlaced B-frame support
- support for WavPack muxing (raw and in Matroska)
- Go2Webinar decoder
- WavPack encoding through libwavpack
- Added the -n parameter to avconv
- RTMP seek support
- when transcoding with avconv (i.e. not streamcopying), -ss is now accurate
even when used as an input option. Previous behavior can be restored with
the -noaccurate_seek option.
- avconv -t option can now be used for inputs, to limit the duration of
data read from an input file
- Voxware MetaSound decoder
- WebP decoder
- Error Resilient AAC syntax (ER AAC LC) decoding
- Low Delay AAC (ER AAC LD) decoding
- mux chapters in ASF files
- Opus in Ogg demuxing
- Enhanced Low Delay AAC (ER AAC ELD) decoding (no LD SBR support)
- F4V muxer
- HNM version 4 demuxer and video decoder
- HEVC decoder
- raw HEVC, HEVC in MOV/MP4, HEVC in Matroska, HEVC in MPEG-TS demuxing
- remove avplay -vismv option, which has not worked for a long time
- Live HDS muxer
- setsar/setdar filters now support variables in ratio expressions
- dar variable in the scale filter now returns the actual DAR (i.e. a * sar)
- VP9 decoder
- support for decoding through VDPAU in avconv (the -hwaccel option)
- remove mp3_header_(de)compress bitstream filters
- stereoscopic 3d metadata handling
- png standalone parser
- WebP encoding via libwebp
- ATRAC3+ decoder
- framepack filter
- Mirillis FIC video decoder
- Support DNx444
version 9.12:
- configure: Update freetype check to follow upstream
- drawtext: Drop pointless header
- configure: Support preprocessor macros as header names
- arm: hpeldsp: fix put_pixels8_y2_{,no_rnd_}armv6
- qt-faststart: Check offset_count before reading from the moov_atom buffer
- arm: hpeldsp: prevent overreads in armv6 asm
- configure: enable PIC on s390(x)
- ituh263: reject b-frame with pp_time = 0
- lagarith: reallocate rgb_planes when needed
- truemotion1: check the header size
- shorten: pad the internal bitstream buffer
- samplefmt: avoid integer overflow in av_samples_get_buffer_size()
- h264: Fix a typo from the previous commit
- h264: Lower bound check for slice offsets
- Add missing header to fix compilation after d2a0654
- configure: Add missing dependency of Snow decoder on videodsp
- rpza: limit the number of blocks to the total remaining blocks in the frame

View full changelog



Alternative to Libav:
ffmpeg



Guides and How to's:
No guides/tutorials, submit guides here.



Acronyms / Also Known As:
Libav, avconv, avplayer, avprobe, avserver

Comments Post comment
1 comments, Showing 1 to 1 comments
 - 

Seems to work as it should. Although, I still don't see the point why I should use this rather than ffmpeg. Developer's page says:

"It originates from the FFmpeg codebase, but goes its own way these days, providing its users with reliable releases and a clear vision how to go forward."

Doesn't say much to me. Is there any remarkable difference?



Posted March 24, 2013 by . Tool version 9.4 using OS Linux
Ease of use 8 of 10 Functionality 9 of 10 Value for money 1 of 10 Overall score 8 of 10

1 comments, Showing 1 to 1 comments
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