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Jorge Ramirez-Ortiz 0b9b7f0b46 avcodec: v4l2_m2m: context: fix raising warning on POLLERR 
During the initialization stage, the codec attempts to get free
buffers from the driver before any have been queued (this is to keep
the code simple and generic)

When the kernel driver detects this situation, it returns POLLERR in
revents and ffmpeg therefore raises a warning.

This commit disables the warning since no buffers were queued to the
driver yet.

Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
2018-01-21 00:37:35 +00:00
compat compat/os2threads: support static mutexes 2018-01-07 00:14:12 -03:00
doc avdevice/decklink: addition of absolute wallclock option for pts source 2018-01-20 18:38:27 +01:00
ffbuild Merge commit '17b6c7efb4' 2017-11-12 01:02:02 -03:00
fftools fftools/ffmpeg_opt: Remove a write-only variable. 2018-01-08 00:17:00 +01:00
libavcodec avcodec: v4l2_m2m: context: fix raising warning on POLLERR 2018-01-21 00:37:35 +00:00
libavdevice avdevice/decklink: Fix compilation of module on OSX 2018-01-20 18:38:29 +01:00
libavfilter avfilter/drawtext - implement fix_bounds 2018-01-20 16:30:56 -08:00
libavformat avformat/lrcdec: Fix memory leak in lrc_read_header() 2018-01-20 21:32:04 +01:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil x86inc: Drop cpuflags_slowctz 2018-01-20 19:23:37 +01:00
libpostproc postproc: Drop deprecated qp typedef 2017-10-22 00:35:23 -03:00
libswresample lswr/rematrix: Support s32p. 2017-11-01 01:04:43 +01:00
libswscale Fix missing used attribute for inline assembly variables 2017-11-13 03:58:34 +01:00
presets
tests avfilter/formats: remove support for deprecated channel count specification 2018-01-20 18:07:44 +01:00
tools Remove the ffserver program 2018-01-06 18:31:37 +00:00
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
.gitignore Remove the ffserver program 2018-01-06 18:31:37 +00:00
.travis.yml Merge commit '4809781586' 2017-10-28 15:08:31 -03:00
Changelog Changelog: add VideoToolbox HEVC support 2018-01-06 15:30:07 -08:00
configure configure: Simplify detection of static x264 on systems without pkg-config. 2018-01-11 11:12:38 +01:00
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS
INSTALL.md
LICENSE.md Merge commit '4fef648d10' 2017-03-15 22:07:47 +01:00
MAINTAINERS Remove the ffserver program 2018-01-06 18:31:37 +00:00
Makefile Makefile: fix distclean target 2017-11-13 17:37:56 -03:00
README.md Remove the ffserver program 2018-01-06 18:31:37 +00:00
RELEASE RELEASE: update for git after 3.4 branchpoint 2017-10-11 02:46:23 +02:00

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.
  • 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 and will be ignored.