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J. Dekker 3090106635 configure: simplify bigendian check 
The preferred way to use LTO is --enable-lto but often times packagers
still end up with -flto in cflags for various reasons. Using grep
on binary object files is brittle and relies on specific object
representation, which in the case of LLVM bitcode, debug information or
other intermediary formats can fail silently.

This patch changes the check to a more commonly used define for GCC
style compilers. More checks may be needed to cover other potential
compilers that don't use the __BYTE_ORDER__ define.

Signed-off-by: J. Dekker <jdek@itanimul.li>
2024-04-09 15:34:13 +02:00
compat avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
doc doc/ffmpeg: document that there can be multiple complex filtergraphs 2024-04-09 10:34:18 +02:00
ffbuild makefile: Clean up missed object files with "make clean" 2024-03-10 23:45:51 +02:00
fftools fftools/ffmpeg_filter: implement filtergraph chaining 2024-04-09 10:34:18 +02:00
libavcodec avcodec/hevcdec: fix segfault on invalid film grain metadata 2024-04-09 15:01:58 +02:00
libavdevice avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
libavfilter lavfi/avfilter: add an "auto" constant to the threads option 2024-04-09 10:34:18 +02:00
libavformat lavf/lrc: fix comments in headers 2024-04-06 12:59:56 +02:00
libavutil avutil/pix{desc,fmt}: add new matrix coefficients from H.273 v3 2024-04-03 21:31:35 +03:00
libpostproc avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
libswresample avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
libswscale swscale/utils: Fix xInc overflow 2024-04-04 19:38:29 +02:00
presets
tests avcodec/ac3: Implement sum_square_butterfly_float for aarch64 NEON 2024-04-08 13:36:40 +03:00
tools tools/target_dec_fuzzer: Adjust threshold for RV30 2024-04-03 00:44:37 +02:00
.gitattributes lavf/assenc: normalize line endings to \n 2024-02-11 17:01:07 -08:00
.gitignore
.mailmap .mailmap: Update my mailmap entry 2024-02-23 00:17:21 +01:00
.travis.yml
Changelog fftools/ffmpeg_filter: implement filtergraph chaining 2024-04-09 10:34:18 +02:00
configure configure: simplify bigendian check 2024-04-09 15:34:13 +02:00
CONTRIBUTING.md
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
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INSTALL.md
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MAINTAINERS MAINTAINERS: add myself as dvdvideo demuxer, rcwt muxer maintainer 2024-03-10 15:21:23 +01:00
Makefile tools: Add target_sws_fuzzer.c 2024-02-21 18:24:17 +01:00
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.