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checkasm: add av_tx FFT SIMD testing code 
This sadly required making changes to the code itself,
due to the same context needing to be reused for both versions.
The lookup table had to be duplicated for both versions.
2021-04-24 17:19:17 +02:00
compat atomics: Fix the win32 atomic_exchange function 2021-04-04 11:06:08 +03:00
doc lavu: bump minor and add APIchanges entry for the lavu/tx changes 2021-04-24 17:17:28 +02:00
ffbuild ffbuild/common: Make deletion of templates possible 2021-02-07 09:45:04 +01:00
fftools fftools/ffprobe: Remove check on show_frames and show_packets in XML writer 2021-04-16 08:40:09 +02:00
libavcodec avcodec/exr: Return correct error code on allocation failure 2021-04-24 14:03:29 +02:00
libavdevice libavdevice/gdigrab: fix capture of windows with non-ASCII titles 2021-04-13 19:34:33 +03:00
libavfilter Include attributes.h directly 2021-04-19 14:34:10 +02:00
libavformat avformat/asfdec_o: Use ff_get_extradata() 2021-04-24 11:36:47 +02:00
libavresample
libavutil checkasm: add av_tx FFT SIMD testing code 2021-04-24 17:19:17 +02:00
libpostproc Bump minor versions after release branch 2021-03-20 01:02:11 +01:00
libswresample Include attributes.h directly 2021-04-19 14:34:10 +02:00
libswscale Include attributes.h directly 2021-04-19 14:34:10 +02:00
presets
tests checkasm: add av_tx FFT SIMD testing code 2021-04-24 17:19:17 +02:00
tools tools/target_dec_fuzzer: Adjust threshold for paf video 2021-04-22 15:06:55 +02:00
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configure lavfi: add filter dnn_detect for object detection 2021-04-17 17:27:02 +08:00
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MAINTAINERS MAINTAINERS: add myself as adpcm maintainer 2021-03-25 12:51:10 +10:00
Makefile avcodec: move core AVCodecContext functions from util.c to a new file 2021-03-19 15:35:35 -03:00
README.md
RELEASE Bump Versions before release/4.4 branch 2021-03-20 01:01:12 +01:00

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.