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Andreas Rheinhardt f705b8b5b4 avutil/opt: Use correct function pointer type 
av_get_sample/pix_fmt() return their respective enums
and are therefore not of the type int (*)(const char*),
yet they are called as-if they were of this type.
This works in practice, but is actually undefined behaviour.

With Clang 17 UBSan these violations are flagged, affecting lots
of tests. The number of failing tests went down from 3363 to 164
here with this patch.

Reviewed-by: Mark Thompson <sw@jkqxz.net>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2024-02-25 02:19:18 +01:00
compat configure: Set WIN32_LEAN_AND_MEAN at configure time 2023-08-14 22:57:28 +03:00
doc doc: Add infra.txt 2024-02-24 15:05:19 +01:00
ffbuild riscv: test for assembler support 2023-12-08 17:21:09 +02:00
fftools fftools/ffprobe: Use int64_t instead of long long int 2024-02-25 02:19:18 +01:00
libavcodec avcodec/cbs_h266_syntax_template: Don't omit unused function parameter 2024-02-25 02:19:18 +01:00
libavdevice all: use designated initializers for AVOption.unit 2024-02-14 14:53:41 +01:00
libavfilter avfilter/af_pan: Uninitialize channel layout 2024-02-20 18:41:45 +01:00
libavformat avformat/libsrt: use SRT_EPOLL_IN for waiting for an incoming connection 2024-02-25 00:35:02 +01:00
libavutil avutil/opt: Use correct function pointer type 2024-02-25 02:19:18 +01:00
libpostproc Bump versions after 6.1 2023-10-29 16:19:14 +01:00
libswresample all: use designated initializers for AVOption.unit 2024-02-14 14:53:41 +01:00
libswscale libswscale/utils: Fix bayer to yuvj 2024-02-21 18:24:17 +01:00
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tests fate/mxf: fix mxf-probe-j2k on big endian systems 2024-02-25 00:35:02 +01:00
tools tools: Add target_sws_fuzzer.c 2024-02-21 18:24:17 +01:00
.gitattributes lavf/assenc: normalize line endings to \n 2024-02-11 17:01:07 -08:00
.gitignore gitignore: add config_components.h 2022-03-17 18:35:41 -03:00
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.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
Changelog Require compilers to support C11. 2024-02-18 07:38:28 +01:00
configure configure: select iamfenc as movenc dep 2024-02-24 19:44:38 -03:00
CONTRIBUTING.md
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CREDITS Use https for repository links 2023-03-01 21:59:10 +01:00
INSTALL.md INSTALL.md: Fix Markdown formatting 2019-01-31 10:29:16 -09:00
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: remove myself from here 2024-02-04 22:22:42 +01:00
Makefile tools: Add target_sws_fuzzer.c 2024-02-21 18:24:17 +01:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE RELEASE: update after 5.1 branch 2022-07-13 00:31:42 +02:00

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.