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James Almer 26cb36f357 Revert "lavc: deprecate avcodec_dct, av_fft, av_dct, av_rdft and av_mdct" 
There are sill many users of these APIs within libav*, so this commit
introduced too many deprecation warnings, making compilation too noisy and
potentially hiding legit warnings.
Once the remaining users are ported, this can be reapplied.

This reverts commit 76d0038579.
2022-11-06 12:15:56 -03:00
compat
doc Revert "lavc: deprecate avcodec_dct, av_fft, av_dct, av_rdft and av_mdct" 2022-11-06 12:15:56 -03:00
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fftools ffmpeg: fix implementation of updated input start time 2022-11-03 14:38:42 +05:30
libavcodec Revert "lavc: deprecate avcodec_dct, av_fft, av_dct, av_rdft and av_mdct" 2022-11-06 12:15:56 -03:00
libavdevice avdevice/avdevice: Fix mismatching argument name 2022-10-17 09:51:47 +02:00
libavfilter lavfi/vf_fieldmatch: keep fields as-is if not matched properly 2022-11-05 11:50:36 +01:00
libavformat avformat/replaygain: avoid undefined / negative abs 2022-11-04 22:44:16 +01:00
libavutil avutil/dict: Improve documentation 2022-11-06 08:26:50 +01:00
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libswresample swresample/rematrix: support mixing top front left/right channels 2022-11-03 19:39:52 -03:00
libswscale swscale/output: Bias 16bps output calculations to improve non overflowing range for GBRP16/GBRPF32 2022-11-04 22:44:16 +01:00
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tests imc: convert to lavu/tx, remove NIH iMDCT and replace with a standard one 2022-11-06 14:39:42 +01:00
tools tools/target_dec_fuzzer: Adjust threshold for FFV1 2022-10-20 21:42:21 +02:00
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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 means to alter decoded audio and video through a directed graph of connected 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.