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Timo Rothenpieler bbe1b21022 avcodec/nvenc: refcount input frame mappings 
If some logic like vsync in ffmpeg.c duplicates frames, it might pass
the same frame twice, which will result in a crash due it being
effectively mapped and unmapped twice.

Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
2018-01-28 12:29:24 +01:00
compat compat/os2threads: support static mutexes 2018-01-07 00:14:12 -03:00
doc avformat, hls: add a flag to signal unavailability of seeking 2018-01-27 04:10:52 +01:00
ffbuild Merge commit '17b6c7efb471e8ff1b8a7271f6531ba1d52bf69c' 2017-11-12 01:02:02 -03:00
fftools ffmpeg: Ignore SIGPIPE 2018-01-25 22:54:10 +00:00
libavcodec avcodec/nvenc: refcount input frame mappings 2018-01-28 12:29:24 +01:00
libavdevice avdevice/decklink: Fix compilation of module on OSX 2018-01-20 18:38:29 +01:00
libavfilter avfilter/vf_transpose: Fix used plane count. 2018-01-27 04:29:30 +01:00
libavformat hls: don't print a certain warning if playlist loading is aborted 2018-01-27 04:10:52 +01:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil Merge commit '85e10c0a9321bfe0d2afe0f3983ab6a8df6e3fba' 2018-01-25 22:45:45 +00:00
libpostproc
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
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.travis.yml Merge commit '4809781586d1c956005f72946a2aab5915eab350' 2017-10-28 15:08:31 -03:00
Changelog lavfi: add denoise and sharpness VAAPI video filters. 2018-01-21 22:56:52 +00:00
configure configure: fix vaapi_encode_example dependencies 2018-01-23 23:42:04 -03:00
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MAINTAINERS MAINTAINERS: Add dashenc maintainer 2018-01-24 00:19:55 +01:00
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RELEASE

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.