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Logan Lyu 595f97028b lavc/aarch64: new optimization for 8-bit hevc_qpel_bi_v 
put_hevc_qpel_bi_v4_8_c: 166.1
put_hevc_qpel_bi_v4_8_neon: 61.9
put_hevc_qpel_bi_v6_8_c: 309.4
put_hevc_qpel_bi_v6_8_neon: 75.6
put_hevc_qpel_bi_v8_8_c: 531.1
put_hevc_qpel_bi_v8_8_neon: 78.1
put_hevc_qpel_bi_v12_8_c: 1139.9
put_hevc_qpel_bi_v12_8_neon: 238.1
put_hevc_qpel_bi_v16_8_c: 2063.6
put_hevc_qpel_bi_v16_8_neon: 308.9
put_hevc_qpel_bi_v24_8_c: 4317.1
put_hevc_qpel_bi_v24_8_neon: 629.9
put_hevc_qpel_bi_v32_8_c: 8241.9
put_hevc_qpel_bi_v32_8_neon: 1140.1
put_hevc_qpel_bi_v48_8_c: 18422.9
put_hevc_qpel_bi_v48_8_neon: 2533.9
put_hevc_qpel_bi_v64_8_c: 37508.6
put_hevc_qpel_bi_v64_8_neon: 4520.1

Co-Authored-By: J. Dekker <jdek@itanimul.li>
Signed-off-by: Martin Storsjö <martin@martin.st>
2023-12-01 21:25:39 +02:00
compat configure: Set WIN32_LEAN_AND_MEAN at configure time 2023-08-14 22:57:28 +03:00
doc avfilter: add Affine Projection adaptive audio filter 2023-11-28 15:40:34 +01:00
ffbuild ffbuild: Add gzip -n flag to fix reproducible builds 2023-11-05 11:30:13 +01:00
fftools fftools/ffplay_renderer: declare function argument as const 2023-11-27 23:39:48 +08:00
libavcodec lavc/aarch64: new optimization for 8-bit hevc_qpel_bi_v 2023-12-01 21:25:39 +02:00
libavdevice avdevice/decklink_dec: add explicit specifier 2023-11-21 08:02:29 +08:00
libavfilter avfilter/framesync: fix OOM case 2023-11-30 11:08:34 +01:00
libavformat avformat: add QOA demuxer 2023-11-26 17:49:11 +01:00
libavutil lavu/fixed_dsp: R-V V fmul_window_scaled 2023-11-23 18:57:18 +02:00
libpostproc Bump versions after 6.1 2023-10-29 16:19:14 +01:00
libswresample Bump versions after 6.1 2023-10-29 16:19:14 +01:00
libswscale lavc/hevcdsp_qpel_neon: using movi.16b instead of movi.2d 2023-11-28 15:54:49 +02:00
presets
tests checkasm/ac3dsp: add float_to_fixed24 test 2023-12-01 20:26:48 +02:00
tools tools/general_assembly: add newly voted-in extra GA members 2023-11-28 09:07:23 +01:00
.gitattributes
.gitignore gitignore: add config_components.h 2022-03-17 18:35:41 -03:00
.mailmap mailmap: remap my email accounts 2023-11-03 20:57:49 +08:00
.travis.yml
Changelog avfilter: add Affine Projection adaptive audio filter 2023-11-28 15:40:34 +01:00
configure avcodec/evc_decoder: Provided support for EVC decoder 2023-11-20 11:55:51 -03:00
CONTRIBUTING.md
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS Use https for repository links 2023-03-01 21:59:10 +01:00
INSTALL.md
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: add myself as a mediacodec and videotoolbox maintainer 2023-11-08 16:15:04 +08:00
Makefile tools: Don't include the direct library names when linking 2023-10-02 22:49:07 +03:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE RELEASE: update after 5.1 branch 2022-07-13 00:31:42 +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.