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2705c0bd81
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Martin Storsjö 2705c0bd81 configure: Enable -Wno-implicit-const-int-float-conversion if available 
This silences a lot of compile warnings (around 160 instances at least), when
compiling with Clang.

These warnings look like this:

    libavformat/http.c:176:133: warning: implicit conversion from 'long long' to 'double' changes value from 9223372036854775807 to 9223372036854775808 [-Wimplicit-const-int-float-conversion]
      176 |     { "end_offset", "try to limit the request to bytes preceding this offset", OFFSET(end_off), AV_OPT_TYPE_INT64, { .i64 = 0 }, 0, INT64_MAX, D },
          |     ~                                                                                                                               ^~~~~~~~~

Signed-off-by: Martin Storsjö <martin@martin.st>
2024-10-04 22:57:51 +03:00
compat compat: Fix the fallback definition of stdc_trailing_zeros 2024-09-24 14:00:27 +03:00
doc lavu/log,opt: detect setting non-runtime options post-init 2024-10-01 09:57:57 +02:00
ffbuild configure: Add detection of assembler support for SVE/SVE2 2024-09-27 00:03:04 +03:00
fftools fftools: log unconnected filter output label 2024-10-04 14:27:20 +02:00
libavcodec libavcodec: x86: Remove an explicit include of config.asm 2024-10-04 22:57:38 +03:00
libavdevice avdevice/decklink_dec: fix leaks on error 2024-09-29 10:12:41 +02:00
libavfilter vulkan: add profiling debug setting 2024-10-04 10:10:46 +02:00
libavformat avformat/mov: don't abort on invalid clap box data 2024-10-02 12:38:24 -03:00
libavutil hwcontext_vulkan: guard all uses of new spec defines and fix stray bracket 2024-10-04 10:41:03 +02:00
libpostproc */version.h: bump after release/7.1 branch 2024-09-24 17:10:35 +02:00
libswresample */version.h: bump after release/7.1 branch 2024-09-24 17:10:35 +02:00
libswscale */version.h: bump after release/7.1 branch 2024-09-24 17:10:35 +02:00
presets
tests fate/mov: add a test for heic images with cropping and rotation metadata 2024-10-02 12:38:24 -03:00
tools tools/target_swr_fuzzer: Limit the number of samples 2024-09-24 15:37:18 +02:00
.gitattributes
.gitignore
.mailmap mailmap: add entry for myself 2024-07-15 01:59:37 +02:00
Changelog Changelog: Add version <next> 2024-09-24 17:11:27 +02:00
configure configure: Enable -Wno-implicit-const-int-float-conversion if available 2024-10-04 22:57:51 +03:00
CONTRIBUTING.md
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS
INSTALL.md
LICENSE.md
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 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.