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marcos ashton 0bdda94ccc tests/fate/libavutil: add FATE test for csp 
Test the five public functions not already covered by
tests/color_utils: av_csp_luma_coeffs_from_avcsp,
av_csp_primaries_desc_from_id, av_csp_primaries_id_from_desc,
av_csp_approximate_trc_gamma, and av_csp_approximate_eotf_gamma.
Iterates every AVCOL_SPC, AVCOL_PRI, and AVCOL_TRC value including
the extended ranges, round-trips primaries via desc_eq so the
canonical first-match (e.g. smpte170m for smpte240m) is accepted,
checks that a garbage desc returns AVCOL_PRI_UNSPECIFIED, and that
out-of-range enum values return NULL or 0.0 as documented. The
trc/eotf gamma values come from static lookup tables so the
floating point output is bitexact across platforms.

Coverage for libavutil/csp.c: 88.50% -> 94.46%
2026-05-25 21:18:34 +00:00
.forgejo tests/fate/libavutil: add FATE test for csp 2026-05-25 21:18:34 +00:00
compat avfilter/scale_cuda: fix color bleeding in lanczos scaling 2026-04-04 11:31:16 +00:00
doc avformat/libsrt: fix ipv6 wildcard listener 2026-05-23 10:03:33 -05:00
ffbuild ffbuild/common: remove DBG=1 to preprocess external asm 2026-04-03 16:15:33 +02:00
fftools fftools/ffprobe: print downmix_info frame side data 2026-05-25 00:55:19 +00:00
libavcodec avcodec/x86/h264_intrapred: cosmetic fix 2026-05-25 12:18:09 -07:00
libavdevice avdevice/v4l2: fix mmap_free() skipping first buffer 2026-04-28 13:45:20 +00:00
libavfilter lavfi/blackdetect_vulkan: use integer timestamps and fix crash 2026-05-22 14:06:03 +09:00
libavformat avformat/movenc: don't overwrite track_duration on every src_track 2026-05-25 02:31:09 +00:00
libavutil tests/fate/libavutil: add FATE test for csp 2026-05-25 21:18:34 +00:00
libswresample libswresample/arm: Change to the common indentation size 2026-04-29 13:49:27 +03:00
libswscale swscale/options: add missing option value for SWS_STRICT 2026-05-23 11:31:54 +02:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests tests/fate/libavutil: add FATE test for csp 2026-05-25 21:18:34 +00:00
tools tools/zmqsend: close the input FILE 2026-05-15 20:35:56 -03:00
.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 avformat/ogg: drop CELT support 2026-05-23 10:16:38 -05:00
configure avcodec: remove CELT decoder 2026-05-22 09:33:52 +00:00
CONTRIBUTING.md CONTRIBUTING.md: add blank line after top heading 2026-04-20 12:32:50 +00:00
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1 all: fix whitespace/new-line issues 2025-08-03 13:48:47 +02:00
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 INSTALL.md: add title heading and normalize section levels 2026-04-20 12:32:50 +00:00
LICENSE.md Remove libpostproc 2025-05-07 15:35:47 +02:00
MAINTAINERS MAINTAINERS: add myself for libavfilter 2026-04-25 19:18:28 +02:00
Makefile configure: add detection of assembler support for SME2 2026-03-04 23:52:36 +02:00
README.md README.md: use consistent ATX heading style 2026-04-20 12:32:50 +00:00
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.