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Niklas Haas dfc3256da1 avfilter/af_afade: support multiple inputs 
Instead of just 2 files, generalize this filter to support crossfading
arbitrarily many files. This makes the filter essentially operate similar
to the `concat` filter, chaining multiple files one after another.

Aside from just adding more input pads, this requires rewriting the
activate function. Instead of a finite state machine, we keep track of the
currently active input index; and advance it only once the current input is
fully exhausted.

This results in arguably simpler logic overall.
2025-09-04 23:12:34 +00:00
.forgejo .forgejo/CODEOWNERS: add myself for various files 2025-09-02 13:17:02 +00:00
compat w32pthreads: add support for setting thread name 2025-08-15 19:54:01 +00:00
doc avfilter/af_afade: support multiple inputs 2025-09-04 23:12:34 +00:00
ffbuild ffbuild/commonmak: Consolidate pattern rules for compression 2025-08-13 17:39:49 +00:00
fftools all: Use "" instead of <> to include internal headers 2025-09-04 22:20:58 +02:00
libavcodec avcodec/mjpegdec: ignore APPx stubs unless AV_EF_EXPLODE is set 2025-09-04 15:28:41 +00:00
libavdevice Bump versions for master after release/8.0 2025-08-09 18:03:05 +02:00
libavfilter avfilter/af_afade: support multiple inputs 2025-09-04 23:12:34 +00:00
libavformat avformat/demux: Reindent after the previous commit 2025-09-03 21:10:21 +00:00
libavutil avutil/hwcontext_drm: fix mapping when dst format is unset 2025-09-03 20:21:51 -05:00
libswresample Bump versions for master after release/8.0 2025-08-09 18:03:05 +02:00
libswscale all: Use "" instead of <> to include internal headers 2025-09-04 22:20:58 +02:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests fftools/ffprobe: add AVFrame.alpha_mode support 2025-09-02 17:06:25 +02:00
tools tools: Split the list of source plugins out of "merge-all-source-plugins" 2025-08-13 11:50:52 +00:00
.gitattributes gitattributes: End merge conflicts in Changelog 2025-03-17 15:26:10 +01:00
.gitignore forgejo/workflows: add initial rudimentary CI 2025-07-22 20:06:20 +02:00
.mailmap mailmap: add entry for myself 2025-08-08 21:51:15 +00:00
Changelog avcodec/libaom: Add HDR10+ metadata support 2025-09-02 15:56:56 +02:00
configure configure: report if unstable is enabled 2025-09-01 22:37:17 -03:00
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
COPYING.GPLv2
COPYING.GPLv3 Add configure option to upgrade (L)GPL to version 3. 2009-06-05 11:04:03 +00:00
COPYING.LGPLv2.1 all: fix whitespace/new-line issues 2025-08-03 13:48:47 +02:00
COPYING.LGPLv3 Add configure option to upgrade (L)GPL to version 3. 2009-06-05 11:04:03 +00:00
CREDITS Use https for repository links 2023-03-01 21:59:10 +01:00
FUNDING.json Add FUNDING.json 2025-06-23 14:48:40 +02:00
INSTALL.md all: fix typos found by codespell 2025-08-03 13:48:47 +02:00
LICENSE.md Remove libpostproc 2025-05-07 15:35:47 +02:00
MAINTAINERS MAINTAINERS: add myself as hwcontext_d3d12va maintainer 2025-08-08 21:51:15 +00:00
Makefile Makefile: Split ALLFFLIBS 2025-05-26 20:33:10 +02:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE RELEASE: update to 8.0 2025-08-14 08:42:29 -04:00

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.