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Timothy Gu a678d66781 vf_blend: Use integers for divide mode 
2.5x faster for 8-bit mode without autovectorization in GCC, 2x
slower with it on x86. However, since the platforms we enable GCC
autovectorization on most probably has support for SSE2
optimization (added in the subsequent commit), this commit should
in general do good.
2016-02-14 09:12:37 -08:00
compat all: Make header guard names consistent 2016-01-31 15:44:11 -08:00
doc doc/APIchanges: fill in more missing things 2016-02-13 16:20:59 +01:00
libavcodec avcodec: Fix a typo. 2016-02-14 16:14:08 +01:00
libavdevice libavdevice/dshow.c: Correct CoGetMalloc check 2016-02-13 22:57:26 +01:00
libavfilter vf_blend: Use integers for divide mode 2016-02-14 09:12:37 -08:00
libavformat lavf/spdifenc: Support MLP encapsulation. 2016-02-14 18:02:22 +01:00
libavresample Merge commit 'cc4c24208159200b7aff5b5c313903c7f23fa345' 2016-01-02 10:13:58 +01:00
libavutil avutil/parseutils: accept everything in av_parse_time that ff_iso8601_to_unix_time accepts 2016-02-14 01:46:35 +01:00
libpostproc all: Make header guard names consistent 2016-01-31 15:44:11 -08:00
libswresample all: Make header guard names consistent 2016-01-31 15:44:11 -08:00
libswscale sws/output: fix ordered dither threshold for mono output 2016-02-10 17:22:26 +01:00
presets
tests avutil/parseutils: accept everything in av_parse_time that ff_iso8601_to_unix_time accepts 2016-02-14 01:46:35 +01:00
tools avcodec: Remove libstagefright 2016-01-06 16:43:06 +00:00
.gitattributes Treat all '*.pnm' files as non-text file 2014-11-28 17:52:43 -05:00
.gitignore build: use a link instead of changing current directory when compiling 2016-01-25 20:43:34 +01:00
.travis.yml Merge commit 'eda183287489b2c705843aa373a19c4e46fb2fec' 2015-11-22 17:12:24 +00:00
arch.mak mips: rename mipsdspr1 to mipsdsp 2015-12-04 02:35:42 +01:00
Changelog avfilter: add metadata filters 2016-02-10 09:55:39 +01:00
cmdutils_common_opts.h opts: add list device sources/sinks options 2014-10-25 20:20:31 +02:00
cmdutils_opencl.c all: use FFDIFFSIGN to resolve possible undefined behavior in comparators 2015-11-03 16:28:30 -05:00
cmdutils.c cmdutils: realign for some additional filters with very long name 2016-02-06 12:48:51 +01:00
cmdutils.h fate/source: Do not use GNU extensions in sed 2016-02-13 07:59:00 -08:00
common.mak build: use a link instead of changing current directory when compiling 2016-01-25 20:43:34 +01:00
configure configure: Enable GCC vectorization on ≥4.9 on x86 2016-02-08 16:25:44 -08:00
COPYING.GPLv2
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CREDITS
ffmpeg_dxva2.c ffmpeg_dxva2: support vp9 hwaccel 2015-12-07 09:47:51 +01:00
ffmpeg_filter.c ffmpeg_filter: Factor get_compliance_unofficial_pix_fmts() out 2016-02-10 13:28:23 +01:00
ffmpeg_opt.c ffmpeg_opt: Fix memleaks in "manually set programs" loop 2016-02-08 15:57:24 +01:00
ffmpeg_qsv.c Merge commit 'fb472e1a11a4e0caed2c3c91da01ea8e35d9e3f8' 2015-10-22 16:18:02 +02:00
ffmpeg_vdpau.c ffmpeg_vdpau: Ignore decoder's max supported level 2015-08-16 15:02:33 -07:00
ffmpeg_videotoolbox.c ffmpeg/videotoolbox: protect UTGetOSTypeFromString on both VDA and VT 2015-10-15 10:22:31 +02:00
ffmpeg.c ffmpeg: replace "flush Media" with "flush_media" in benchmark_all output 2016-01-29 10:58:18 +01:00
ffmpeg.h ffmpeg: use lavf API for applying bitstream filters 2015-12-28 08:34:30 -06:00
ffplay.c ffplay: update docs after previous changes in ffplay mouse behaviour 2016-01-20 21:23:03 +01:00
ffprobe.c ffprobe: Deprecate stream timecode field and add frame side data timecode field 2016-02-01 18:19:30 +00:00
ffserver_config.c ffserver_config: check for INT_MIN before doing FFABS 2015-10-13 19:40:09 -04:00
ffserver_config.h ffserver: Use singlejpeg muxer for jpeg 2015-06-08 03:36:22 +02:00
ffserver.c ffserver: Cast time_t value when using it in a format string. 2015-12-29 16:00:34 +01:00
INSTALL.md
library.mak build: use a link instead of changing current directory when compiling 2016-01-25 20:43:34 +01:00
LICENSE.md avcodec: Remove libaacplus 2016-01-29 17:14:37 -08:00
MAINTAINERS MAINTAINERS: Add myself as libutvideo maintainer. 2016-02-14 15:51:38 +01:00
Makefile build: use intermediate lcov coverage file 2016-02-06 15:42:09 +01:00
README.md README: replace http with https 2015-10-06 13:27:29 +02:00
RELEASE RELEASE: update to 2.8.git 2015-09-09 23:53:15 -03:00
version.sh version.sh: add note that ffversion.h is auto-generated 2015-10-25 10:14:44 -04:00

README.md

FFmpeg README

FFmpeg 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.
  • libswresample implements audio mixing and resampling routines.
  • libswscale implements color conversion and scaling routines.

Tools

  • ffmpeg is a command line toolbox to manipulate, convert and stream multimedia content.
  • ffplay is a minimalistic multimedia player.
  • ffprobe is a simple analysis tool to inspect multimedia content.
  • ffserver is a multimedia streaming server for live broadcasts.
  • 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

Coding examples are available in the doc/examples directory.

License

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

Contributing

Patches should be submitted to the ffmpeg-devel mailing list using git format-patch or git send-email. Github pull requests should be avoided because they are not part of our review process. Few developers follow pull requests so they will likely be ignored.