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Niklas Haas dd8ff89adf swscale/ops_dispatch: add helper to explicitly control pixel->bytes rounding 
This makes it far less likely to accidentally add or remove a +7 bias when
repeating this often-used expression.

Signed-off-by: Niklas Haas <git@haasn.dev>
2026-04-16 20:59:39 +00:00
.forgejo .forgejo/CODEOWNERS: add myself for hls.* 2026-04-11 01:58:35 +02:00
compat avfilter/scale_cuda: fix color bleeding in lanczos scaling 2026-04-04 11:31:16 +00:00
doc doc/APIchanges: fix date and version in the latest entry 2026-04-09 17:21:28 -03:00
ffbuild ffbuild/common: remove DBG=1 to preprocess external asm 2026-04-03 16:15:33 +02:00
fftools ffprobe: Support printing SMPTE 2094 APP5 side data 2026-04-14 20:41:14 +00:00
libavcodec avcodec/lcevcdec: poll on LCEVC_Again from LCEVC_ReceiveDecoderPicture 2026-04-16 17:19:28 -03:00
libavdevice avdevice/v4l2: rename 'buff_data' -> 'buf_desc' 2026-04-10 16:02:28 +00:00
libavfilter avfilter/vf_ssim360: fix integer overflow in tape_length allocation 2026-04-13 19:49:32 +08:00
libavformat avformat/wavenc: Keep fmt chunk first for -rf64 auto 2026-04-16 09:12:45 +00:00
libavutil avutil/tests/.gitignore: Add recently added test tools 2026-04-13 16:12:31 +02:00
libswresample swresample/x86/{audio_convert,rematrix}: Remove remnants of MMX 2026-04-13 01:16:46 +02:00
libswscale swscale/ops_dispatch: add helper to explicitly control pixel->bytes rounding 2026-04-16 20:59:39 +00:00
presets
tests tests/checkasm/sw_ops: fix too large shift for int 2026-04-16 18:56:22 +00:00
tools fuzzer: improve documentation 2026-03-14 21:36:58 +00:00
.gitattributes gitattributes: End merge conflicts in Changelog 2025-03-17 15:26:10 +01:00
.gitignore swscale/aarch64: add NEON sws_ops backend 2026-03-30 11:38:35 +00:00
.mailmap mailmap: add entry for myself 2025-08-08 21:51:15 +00:00
Changelog Changelog: add v360_vulkan to the changelog 2026-04-09 16:51:30 +02:00
configure configure: collapse else + if into elif 2026-04-13 12:46:49 +00:00
CONTRIBUTING.md CONTRIBUTING.md: Add Forgejo 2026-02-22 04:39:22 +00:00
COPYING.GPLv2
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COPYING.LGPLv3
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 HLS demuxer maintainer 2026-04-11 01:58:35 +02:00
Makefile configure: add detection of assembler support for SME2 2026-03-04 23:52:36 +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.