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Rémi Denis-Courmont 982376660c lavu/riscv: align functions to 4 bytes 
Currently the start of the byte range for each function is aligned to
4 bytes. But this can lead to situations whence the function is preceded
by a 2-byte C.NOP at the aligned 4-byte boundary. Then the first actual
instruction and the function symbol are only aligned on 2 bytes.

This forcefully disables compression for the alignment and the symbol,
thus ensuring that there is no padding before the function.
2024-07-25 23:10:14 +03:00
compat avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
doc lavu/riscv: add CPU flag for B bit manipulations 2024-07-25 23:09:58 +03:00
ffbuild riscv: add Zvbb vector bit manipulation extension 2024-05-11 11:38:49 +03:00
fftools fftools/ffmpeg: prefer real errors over EOF in err_merge() 2024-07-24 08:20:21 +02:00
libavcodec lavc/h264dsp: use RISC-V B extension 2024-07-25 23:10:01 +03:00
libavdevice avdevice/dshow: Don't skip audio devices if no video device is present 2024-07-24 14:45:20 +02:00
libavfilter lavfi/riscv: require B or zba explicitly 2024-07-25 18:55:48 +03:00
libavformat avformat/mov: add an EOF check in IPRP 2024-07-23 23:21:13 +02:00
libavutil lavu/riscv: align functions to 4 bytes 2024-07-25 23:10:14 +03:00
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 sws/riscv: require B or zba explicitly 2024-07-25 18:55:48 +03:00
presets
tests lavu/riscv: add CPU flag for B bit manipulations 2024-07-25 23:09:58 +03:00
tools tools/target_dec_fuzzer: Adjust threshold for RV30 2024-07-16 18:43:15 +02:00
.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
.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
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: 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 README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
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.