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Lynne 2465fe1302 lavu/tx: add 2-point FFT transform 
By itself, this allows 6-point, 10-point and 30-point transforms.
When the 9-point transform is added it allows for 18-point FFT,
and also for a 36-point MDCT (used by MP3).
 		2020-03-23 21:26:25 +00:00
compat avformat/udp: support w32pthreads compat 2020-03-08 19:08:04 +01:00
doc doc/general: Fix entry for AMQP 2020-03-19 20:06:03 +01:00
ffbuild common.mak: Also clean Windows debug files. 2020-03-21 18:46:00 +01:00
fftools fftools/ffmpeg_opt: Fix [u]int64_t specifier string 2020-03-19 20:06:12 +01:00
libavcodec avcodec/wmadec: cosmetics 2020-03-22 11:55:44 -03:00
libavdevice remove CHAR_MIN/CHAR_MAX usage 2020-03-17 22:46:36 +01:00
libavfilter lavfi/vf_dnn_processing: Fix compile warning of mixed declarations and code 2020-03-19 14:27:23 +08:00
libavformat avformat/hnm: Check for extradata allocation failure 2020-03-22 13:00:19 +01:00
libavresample
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libavutil lavu/tx: add 2-point FFT transform 2020-03-23 21:26:25 +00:00
libpostproc libavcodec, libpostproc: Remove outcommented START/STOP_TIMER 2020-03-14 18:24:04 +01:00
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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 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.