x/ffmpeg

mirror of https://git.ffmpeg.org/ffmpeg.git synced 2026-08-11 12:19:29 +00:00

T

Ramiro Polla ca889b1328 swscale/aarch64: add neon {lum,chr}ConvertRange16

aarch64 A55:
chrRangeFromJpeg16_1920_c:    32684.2
chrRangeFromJpeg16_1920_neon:  8431.2 (3.88x)
chrRangeToJpeg16_1920_c:      24996.8
chrRangeToJpeg16_1920_neon:    9395.0 (2.66x)
lumRangeFromJpeg16_1920_c:    17305.2
lumRangeFromJpeg16_1920_neon:  4586.5 (3.77x)
lumRangeToJpeg16_1920_c:      21144.8
lumRangeToJpeg16_1920_neon:    5069.8 (4.17x)

aarch64 A76:
chrRangeFromJpeg16_1920_c:    11523.8
chrRangeFromJpeg16_1920_neon:  3367.5 (3.42x)
chrRangeToJpeg16_1920_c:      11655.2
chrRangeToJpeg16_1920_neon:    4087.2 (2.85x)
lumRangeFromJpeg16_1920_c:     5762.0
lumRangeFromJpeg16_1920_neon:  1815.8 (3.17x)
lumRangeToJpeg16_1920_c:       5946.2
lumRangeToJpeg16_1920_neon:    2148.2 (2.77x)

2024-12-05 21:10:29 +01:00

compat

compat: Fix the fallback definition of stdc_trailing_zeros

2024-09-24 14:00:27 +03:00

doc

avutil/csp: add EOTF function definitions

2024-12-05 12:27:32 +01:00

ffbuild

configure: Add wasm as a fake arch

2024-12-04 16:43:06 +08:00

fftools

fftools/ffmpeg_sched: signal the main thread when a task fails

2024-11-25 05:26:49 +01:00

libavcodec

avcodec/hevc: Add wasm simd128 idct

2024-12-04 16:43:07 +08:00

libavdevice

avdevice/dshow: fix unused variable warning

2024-10-17 13:04:17 +02:00

libavfilter

avfilter/asrc_sine: increase frequency accuracy

2024-11-29 21:16:22 +01:00

libavformat

avformat/mov: add support for pssh box

2024-12-05 14:22:16 -03:00

libavutil

avutil/tests/color_utils: add tests for av_csp_itu_eotf

2024-12-05 12:27:33 +01:00

libpostproc

*/version.h: bump after release/7.1 branch

2024-09-24 17:10:35 +02:00

libswresample

arm: Consistently use proper interworking function returns

2024-10-09 15:52:51 +03:00

libswscale

swscale/aarch64: add neon {lum,chr}ConvertRange16

2024-12-05 21:10:29 +01:00

presets

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tests

swscale/range_convert: fix mpeg ranges in yuv range conversion for non-8-bit pixel formats

2024-12-05 21:10:29 +01:00

tools

tools/general_assembly: exclude Derek from GA emails

2024-11-28 15:51:37 +01:00

.gitattributes

…

.gitignore

.gitignore: add exclusions for shader .c files

2024-11-18 07:54:21 +01:00

.mailmap

mailmap: add entry for myself

2024-07-15 01:59:37 +02:00

Changelog

lavc: deprecate the omx encoders

2024-11-09 02:46:17 +01:00

configure

configure: Add wasm as a fake arch

2024-12-04 16:43:06 +08:00

CONTRIBUTING.md

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COPYING.GPLv2

…

COPYING.GPLv3

…

COPYING.LGPLv2.1

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COPYING.LGPLv3

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CREDITS

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INSTALL.md

INSTALL: explain the circular dependency issue and solution

2024-11-03 19:35:23 +01:00

LICENSE.md

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MAINTAINERS

MAINTAINERS: Lauri is still available but is really low on time nowadays

2024-11-28 23:19:00 +01:00

Makefile

configure: Add wasm as a fake arch

2024-12-04 16:43:06 +08:00

README.md

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RELEASE

RELEASE: update release number after release/7.1 branch

2024-10-09 01:55:50 +02:00

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.