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Martin Storsjö 01f58f3646 lavu/video_enc_params: Avoid relying on an undefined C construct The construct of using offsetof on a (potentially anonymous) struct defined within the offsetof expression, while supported by all current compilers, has been declared explicitly undefined by the C standards committee [1]. Clang recently got a change to identify this as an issue [2]; initially it was treated as a hard error, but it was soon after softened into a warning under the -Wgnu-offsetof-extensions option (not enabled automatically as part of -Wall though). Nevertheless - in this particular case, it's trivial to fix the code not to rely on the construct that the standards committee has explicitly called out as undefined. [1] https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2350.htm [2] https://reviews.llvm.org/D133574 Signed-off-by: Martin Storsjö <martin@martin.st>		2023-01-31 14:22:54 +02:00
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doc	fftools/ffmpeg: support input frame params in encoding stats	2023-01-31 09:09:23 +01:00
ffbuild	…
fftools	fftools/ffmpeg: support input frame params in encoding stats	2023-01-31 09:09:23 +01:00
libavcodec	lavc: add null codecs	2023-01-31 09:00:56 +01:00
libavdevice	avdevice/avfoundation: convert to new channel layout-API	2022-11-08 14:08:05 -03:00
libavfilter	avfilter/vf_libplacebo: suppress cast warning	2023-01-30 20:34:55 +01:00
libavformat	avformat: add XMD demuxer	2023-01-30 21:02:48 +01:00
libavutil	lavu/video_enc_params: Avoid relying on an undefined C construct	2023-01-31 14:22:54 +02:00
libpostproc	postproc/postprocess_template: Fix alignment	2022-11-09 17:39:00 +01:00
libswresample	swresample/swresample_frame: fix regression in detecting changes	2023-01-04 18:19:07 +01:00
libswscale	swscale/utils: Fix indentation	2022-11-24 21:02:57 +01:00
presets	…
tests	avcodec/png: use libavutil/csp.h for cHRM chunks	2023-01-25 08:09:16 -05:00
tools	tools/target_dec_fuzzer: Adjust threshold for RSCC	2022-12-01 21:43:57 +01:00
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.gitignore	…
.mailmap	mailmap: stop git lying about who I commit things as	2022-11-04 19:37:46 +01:00
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CONTRIBUTING.md	…
COPYING.GPLv2	…
COPYING.GPLv3	…
COPYING.LGPLv2.1	…
COPYING.LGPLv3	…
CREDITS	…
Changelog	avformat: add XMD demuxer	2023-01-30 21:02:48 +01:00
INSTALL.md	…
LICENSE.md	…
MAINTAINERS	MAINTAINERS: add myself as amfenc* maintainer	2022-11-10 16:28:07 +01:00
Makefile	…
README.md	…
RELEASE	…
configure	lavfi/scale_qsv: simplify scale_qsv filter	2023-01-30 08:48:58 +08:00

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.