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Tristan Matthews 25d3f96db7 librtmp: use AVBPrint instead of char * 
This avoids having to do one pass to calculate the full length to allocate
followed by a second pass to actually append values.

Signed-off-by: Martin Storsjö <martin@martin.st>
2022-04-19 23:19:16 +03:00
compat Replace all occurences of av_mallocz_array() by av_calloc() 2021-09-20 01:03:52 +02:00
doc avfilter/vf_ciescope: add option to disable CIE tongue filling 2022-04-19 22:08:15 +02:00
ffbuild Fix libversion.sh for split version headers, to unbreak shared library builds 2022-03-17 11:11:17 +02:00
fftools fftools/ffmpeg: store output format separately from the muxer context 2022-04-13 12:07:54 +02:00
libavcodec avcodec/mjpegenc: Don't unnecessarily grow buffer 2022-04-14 18:38:55 +02:00
libavdevice avdevice/dshow: Fix dshow device name/description 2022-04-09 21:29:39 +02:00
libavfilter avfilter/vf_ciescope: add option to disable CIE tongue filling 2022-04-19 22:08:15 +02:00
libavformat librtmp: use AVBPrint instead of char * 2022-04-19 23:19:16 +03:00
libavutil libavutil/hwcontext_qsv: Align width and heigh when download qsv frame 2022-04-13 13:41:27 +08:00
libpostproc Keep including the full version.h when headers are included externally 2022-03-19 00:01:57 +02:00
libswresample swresample/rematrix: fix typo in clean_layout() 2022-03-28 00:07:42 -03:00
libswscale Keep including the full version.h when headers are included externally 2022-03-19 00:01:57 +02:00
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tests fate/oma: Use REMUX where appropriate 2022-04-14 18:40:30 +02:00
tools avcodec/codec_internal: Add FFCodec, hide internal part of AVCodec 2022-03-21 01:33:09 +01:00
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Changelog avfilter: add pixelize video filter 2022-04-14 22:37:21 +02:00
configure avformat: Add IPFS protocol support. 2022-04-12 19:58:33 +02:00
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LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +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 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.