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Thomas Lee 7a00653be6 tiny_psnr: Support large files 
If an input file is bigger than 2GB (assume sizeof(int) == 4)),
size0/size1 will overflow, making stddev and PSNR invalid.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2016-02-09 20:03:34 +01:00
compat w32pthreads: Map MemoryBarrier to __sync_synchronize on mingw 2015-10-30 20:15:11 +02:00
doc doc: Improve the channelsplit example 2016-02-06 13:19:25 +01:00
libavcodec dnxhd: Make the encoder message friendlier 2016-02-09 20:02:31 +01:00
libavdevice avfoundation: Simple capture 2015-11-26 10:55:28 +01:00
libavfilter lavfi: Use AV_CEIL_RSHIFT where needed 2016-01-25 12:09:48 -05:00
libavformat asfdec: make sure packet_size is non-zero before seeking 2016-02-07 03:12:33 +01:00
libavresample avresample: Mark avresample_buffer() as pointer to const 2015-12-14 15:16:33 +01:00
libavutil x86: Add ymm_reg struct 2016-01-28 00:41:19 +01:00
libswscale yuv2rgb: Document the color space coefficients 2016-01-20 11:18:31 -05:00
presets
tests tiny_psnr: Support large files 2016-02-09 20:03:34 +01:00
tools avpacket: Replace av_free_packet with av_packet_unref 2015-10-26 18:00:55 +01:00
.gitattributes Treat all '*.pnm' files as non-text file 2014-11-28 17:52:43 -05:00
.gitignore Checkasm: assembly testing and benchmarking tool 2015-07-12 16:39:07 +02:00
.travis.yml travis: Enable OSX integration 2015-11-17 16:51:00 +01:00
arch.mak ppc: vsx: Implement float_dsp 2015-05-31 12:07:11 +02:00
avconv_dxva2.c avconv_dxva2: add hevc support 2015-01-27 09:06:05 +01:00
avconv_filter.c avconv: Do not try to configure filter outputs without streams 2015-10-07 18:45:50 +02:00
avconv_opt.c avconv: add support for Intel QSV-accelerated transcoding 2015-10-16 20:01:37 +02:00
avconv_qsv.c avconv: add support for Intel QSV-accelerated transcoding 2015-10-16 20:01:37 +02:00
avconv_vda.c avconv: vda: Unlock the pixel buffer once it is accessed 2015-07-09 00:10:13 +02:00
avconv_vdpau.c avconv_vdpau: allocate video surface of VDPAU-specified size 2014-12-25 20:47:49 +01:00
avconv.c avconv: Drop an impossible check 2016-01-04 16:58:32 +01:00
avconv.h avconv: add support for Intel QSV-accelerated transcoding 2015-10-16 20:01:37 +02:00
avplay.c avplay: drop support for building without lavfi 2016-02-09 11:31:24 +01:00
avprobe.c avprobe: Unref the packet once it is used 2015-10-26 18:00:54 +01:00
Changelog swfdec: support compressed swf 2016-01-11 15:32:56 -05:00
cmdutils_common_opts.h
cmdutils.c cmdutils: Check for and report the correct codec capability 2015-10-25 22:47:13 +01:00
cmdutils.h avconv: use read_file() for reading the 2pass stats 2015-07-19 09:37:11 +02:00
common.mak build: add Solaris symbol versioning 2015-10-11 15:42:36 +02:00
configure configure: Refactor toolchain flag setting 2016-02-09 20:02:31 +01:00
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS
INSTALL
library.mak
LICENSE license: Mention that vf_interlace is GPL, not LGPL 2014-08-28 19:47:43 +02:00
Makefile configure: ObjC support 2015-11-26 10:39:15 +01:00
README
README.md doc: Add travis badge 2015-09-14 00:19:08 +02:00
RELEASE Make the RELEASE file match with the most recent tag 2014-12-01 07:51:14 -05:00
version.sh

README.md

Libav

Build Status

Libav is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.

Libraries

  • libavcodec provides implementation of a wider range of codecs.
  • libavformat implements streaming protocols, container formats and basic I/O access.
  • libavutil includes hashers, decompressors and miscellaneous utility functions.
  • libavfilter provides a mean to alter decoded Audio and Video through chain of filters.
  • libavdevice provides an abstraction to access capture and playback devices.
  • libavresample implements audio mixing and resampling routines.
  • libswscale implements color conversion and scaling routines.

Tools

  • avconv is a command line toolbox to manipulate, convert and stream multimedia content.
  • avplay is a minimalistic multimedia player.
  • avprobe is a simple analisys tool to inspect multimedia content.
  • Additional small tools such as aviocat, ismindex and qt-faststart.

Documentation

The offline documentation is available in the doc/ directory.

The online documentation is available in the main website and in the wiki.

Examples

Conding examples are available in the doc/example directory.

License

Libav codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.