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Andriy Gelman 35eb5eeca8 ffmpeg: use sigaction() instead of signal() on linux 
As per signal() help (man 2 signal) the semantics of using signal may
vary across platforms. It is suggested to use sigaction() instead.

Reviewed-by: Zane van Iperen <zane@zanevaniperen.com>
Signed-off-by: Andriy Gelman <andriy.gelman@gmail.com>
2021-01-16 16:21:09 -05:00
compat avfilter/scale_cuda: add lanczos algorithm 2020-11-04 01:43:21 +01:00
doc avfilter/vf_phase: add support for commands 2021-01-16 20:47:52 +01:00
ffbuild ffbuild: Refine MIPS handling 2020-07-23 16:30:02 +02:00
fftools ffmpeg: use sigaction() instead of signal() on linux 2021-01-16 16:21:09 -05:00
libavcodec avcodec/libvpxenc: add a way to set VP9E_SET_SVC_REF_FRAME_CONFIG 2021-01-14 11:08:33 -08:00
libavdevice kmsgrab: Do not require the modifier to stay constant. 2021-01-13 23:08:02 +00:00
libavfilter avfilter/vf_detelecine: use ff_formats_pixdesc_filter() 2021-01-16 21:35:44 +01:00
libavformat avformat/hlsenc: reindent the code 2021-01-16 08:53:27 +08:00
libavresample
libavutil avutil/timecode: fix sscanf format string with garbage at the end 2021-01-16 08:51:11 +08:00
libpostproc lavu/mem: move the DECLARE_ALIGNED macro family to mem_internal on next+1 bump 2021-01-01 14:14:57 +01:00
libswresample swresample/audioconvert: Fix left shift of negative value 2020-09-30 10:50:45 +02:00
libswscale lavu/mem: move the DECLARE_ALIGNED macro family to mem_internal on next+1 bump 2021-01-01 14:14:57 +01:00
presets
tests movenc: Present durations in mvhd/tkhd/mdhd as they are after edits 2021-01-15 15:01:03 +02:00
tools tools/target_dem_fuzzer.c: Decrease maxblocks 2021-01-05 02:00:05 +01:00
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.travis.yml
Changelog avfilter: add estdif video filter 2021-01-16 14:08:59 +01:00
configure configure: update copyright year 2021-01-01 00:38:22 +01:00
CONTRIBUTING.md
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INSTALL.md
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS smvjpegdec: merge into mjpegdec 2020-12-10 10:07:09 +01:00
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README.md
RELEASE RELEASE: We are after the 4.3 branch point, update for that 2020-06-10 00:20:24 +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.