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Martin Storsjö 77e6293735 arm: Consistently use proper interworking function returns 
Use "bx lr", or "pop {lr}", which do proper mode switching
between thumb and arm modes. A plain "mov pc, lr" does not switch
from thumb mode to arm mode (while in arm mode, it does switch
mode for a thumb caller).

This is normally not an issue, as CONFIG_THUMB only is enabled if
the C compiler defaults to thumb; but stick to patterns that can
do mode switching if needed, for consistency.

Signed-off-by: Martin Storsjö <martin@martin.st>
2024-10-09 15:52:51 +03:00
compat compat: Fix the fallback definition of stdc_trailing_zeros 2024-09-24 14:00:27 +03:00
doc avutil/pixfmt: add V30X pixel format 2024-10-08 19:45:10 -03:00
ffbuild configure: Add detection of assembler support for SVE/SVE2 2024-09-27 00:03:04 +03:00
fftools fftools/ffmpeg_filter: stop setting a no-op option 2024-10-07 10:53:13 +02:00
libavcodec avcodec/vulkan: Add support for generating GLSL strings from comp shaders 2024-10-06 01:32:51 +02:00
libavdevice avdevice/decklink_dec: fix leaks on error 2024-09-29 10:12:41 +02:00
libavfilter avfilter/src_movie: configure correct YUV attributes 2024-10-07 19:51:34 +02:00
libavformat avformat/mov: split off lcevc stream group initialization to its own function 2024-10-05 14:36:28 -03:00
libavutil vulkan: fix ImageView flexible array struct allocation 2024-10-09 02:39:34 +02:00
libpostproc */version.h: bump after release/7.1 branch 2024-09-24 17:10:35 +02:00
libswresample arm: Consistently use proper interworking function returns 2024-10-09 15:52:51 +03:00
libswscale arm: Consistently use proper interworking function returns 2024-10-09 15:52:51 +03:00
presets
tests swscale/rgb2xyz: add explicit width parameter 2024-10-09 13:14:57 +02:00
tools tools/target_swr_fuzzer: Limit the number of samples 2024-09-24 15:37:18 +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 configure: drop yasm support 2024-10-06 01:32:47 +02:00
configure configure: explicitly disable spirv_compiler 2024-10-09 00:59:33 +02:00
CONTRIBUTING.md
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CREDITS Use https for repository links 2023-03-01 21:59:10 +01:00
INSTALL.md
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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 release number after release/7.1 branch 2024-10-09 01:55:50 +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.