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James Almer 7dabad079b avformat/iamf: byteswap values in OpusHeader 
Clause 3.11.1 of IAMF[1] states the values are stored in big endian, in
contrast to the Ogg Encapsulation for Opus[2] where they are in little endian.

[1]https://aomediacodec.github.io/iamf/v1.0.0-errata.html#opus-specific
[2]https://datatracker.ietf.org/doc/html/rfc7845#section-5.1

Signed-off-by: James Almer <jamrial@gmail.com>
2024-07-18 23:27:20 -03:00
compat avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
doc doc/examples/mux: remove nop 2024-07-12 16:40:51 +02:00
ffbuild riscv: add Zvbb vector bit manipulation extension 2024-05-11 11:38:49 +03:00
fftools fftools/ffmpeg_filter: use the correct specifier for crop arguments 2024-07-18 23:27:20 -03:00
libavcodec avcodec/png: more informative error message for invalid sBIT size 2024-07-18 21:20:38 -04:00
libavdevice avdevice/dshow_capture: Fix error handling in ff_dshow_##prefix##_Create() 2024-07-15 01:59:40 +02:00
libavfilter avfilter: Free out on error 2024-07-15 01:59:41 +02:00
libavformat avformat/iamf: byteswap values in OpusHeader 2024-07-18 23:27:20 -03:00
libavutil avutil/file_open: Fix build error with wasi 2024-07-16 22:50:21 +08:00
libpostproc avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
libswresample swresample/swresample: Rectify invalid function in the documentation 2024-07-02 21:57:17 +02:00
libswscale swscale/utils: fix leak on threaded ctx init failure 2024-07-14 13:48:59 +02:00
presets
tests avformat/iamf: byteswap values in OpusHeader 2024-07-18 23:27:20 -03:00
tools tools/target_dec_fuzzer: Adjust threshold for RV30 2024-07-16 18:43:15 +02:00
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.mailmap mailmap: add entry for myself 2024-07-15 01:59:37 +02:00
Changelog Changelog: mention cropping support in Matroska and MP4 2024-07-11 21:35:40 -03:00
configure configure: Fix Apple framework dependencies in .pc file 2024-07-16 22:50:41 +08:00
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MAINTAINERS MAINTAINERS: add myself as d3d12va_encode maintainer 2024-07-10 18:10:08 +02:00
Makefile riscv: add Zvbb vector bit manipulation extension 2024-05-11 11:38:49 +03:00
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.