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Anton Khirnov 3785b27b76 lavu/opt: consolidate common prologue for av_opt_set*() 
The options-setting functions share several operations at their
beginnings - locating the option and the object to operate on, handling
the read-only and deprecated flags, and constructing the pointer to the
target value. Some of the functions also do not perform some of the
checks, although they should. E.g. a deprecation warning is currently
only printed for av_opt_set().

Introduce a prologue function that is called from every av_opt_set*()
and performs all these common initialization operations.
2024-10-01 09:57:41 +02:00
compat compat: Fix the fallback definition of stdc_trailing_zeros 2024-09-24 14:00:27 +03:00
doc avformat/avformat: add side data to AVStreamGroupTileGrid 2024-09-30 14:36:24 -03:00
ffbuild configure: Add detection of assembler support for SVE/SVE2 2024-09-27 00:03:04 +03:00
fftools fftools/ffmpeg_mux_init: consolidate connecting source to mux stream 2024-09-30 09:29:18 +02:00
libavcodec avcodec/vvc: Don't use large array on stack 2024-10-01 11:30:22 +08:00
libavdevice avdevice/decklink_dec: fix leaks on error 2024-09-29 10:12:41 +02:00
libavfilter lavfi/buffersink: add array-type options to replace "int-list" ones 2024-09-30 09:10:19 +02:00
libavformat avformat/mov: get heif image rotation from irot box 2024-09-30 14:37:27 -03:00
libavutil lavu/opt: consolidate common prologue for av_opt_set*() 2024-10-01 09:57:41 +02:00
libpostproc */version.h: bump after release/7.1 branch 2024-09-24 17:10:35 +02:00
libswresample */version.h: bump after release/7.1 branch 2024-09-24 17:10:35 +02:00
libswscale */version.h: bump after release/7.1 branch 2024-09-24 17:10:35 +02:00
presets
tests fate/filter-audio: add missing aresample filter dependency to fate-filter-crazychannels 2024-09-30 09:07:54 -03:00
tools tools/target_swr_fuzzer: Limit the number of samples 2024-09-24 15:37:18 +02:00
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.mailmap mailmap: add entry for myself 2024-07-15 01:59:37 +02:00
Changelog Changelog: Add version <next> 2024-09-24 17:11:27 +02:00
configure configure: Silence Xcode warnings about duplicate libraries 2024-09-27 13:42:42 +03:00
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MAINTAINERS MAINTAINERS: update myself for dvdvideo, rcwtdec, rcwtenc 2024-09-29 17:38:12 +02:00
Makefile add tools/target_swr_fuzzer 2024-08-08 15:26:52 +02:00
README.md
RELEASE RELEASE: update after 7.0 branch 2024-04-02 13:02:39 -03:00

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 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.