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Zhao Zhili 0ba9e8d0d4 aarch64/vvc: Add w_avg 
w_avg_8_2x2_c:                                           0.0 ( 0.00x)
w_avg_8_2x2_neon:                                        0.0 ( 0.00x)
w_avg_8_4x4_c:                                           0.2 ( 1.00x)
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w_avg_8_8x8_c:                                           1.2 ( 1.00x)
w_avg_8_8x8_neon:                                        0.2 ( 5.00x)
w_avg_8_16x16_c:                                         4.2 ( 1.00x)
w_avg_8_16x16_neon:                                      0.8 ( 5.67x)
w_avg_8_32x32_c:                                        16.2 ( 1.00x)
w_avg_8_32x32_neon:                                      2.5 ( 6.50x)
w_avg_8_64x64_c:                                        64.5 ( 1.00x)
w_avg_8_64x64_neon:                                      9.0 ( 7.17x)
w_avg_8_128x128_c:                                     269.5 ( 1.00x)
w_avg_8_128x128_neon:                                   35.5 ( 7.59x)
w_avg_10_2x2_c:                                          0.2 ( 1.00x)
w_avg_10_2x2_neon:                                       0.2 ( 1.00x)
w_avg_10_4x4_c:                                          0.2 ( 1.00x)
w_avg_10_4x4_neon:                                       0.2 ( 1.00x)
w_avg_10_8x8_c:                                          1.0 ( 1.00x)
w_avg_10_8x8_neon:                                       0.2 ( 4.00x)
w_avg_10_16x16_c:                                        4.2 ( 1.00x)
w_avg_10_16x16_neon:                                     0.8 ( 5.67x)
w_avg_10_32x32_c:                                       16.2 ( 1.00x)
w_avg_10_32x32_neon:                                     2.5 ( 6.50x)
w_avg_10_64x64_c:                                       66.2 ( 1.00x)
w_avg_10_64x64_neon:                                    10.0 ( 6.62x)
w_avg_10_128x128_c:                                    277.8 ( 1.00x)
w_avg_10_128x128_neon:                                  39.8 ( 6.99x)
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w_avg_12_4x4_c:                                          0.2 ( 1.00x)
w_avg_12_4x4_neon:                                       0.0 ( 0.00x)
w_avg_12_8x8_c:                                          1.2 ( 1.00x)
w_avg_12_8x8_neon:                                       0.5 ( 2.50x)
w_avg_12_16x16_c:                                        4.8 ( 1.00x)
w_avg_12_16x16_neon:                                     0.8 ( 6.33x)
w_avg_12_32x32_c:                                       17.0 ( 1.00x)
w_avg_12_32x32_neon:                                     2.8 ( 6.18x)
w_avg_12_64x64_c:                                       64.0 ( 1.00x)
w_avg_12_64x64_neon:                                    10.0 ( 6.40x)
w_avg_12_128x128_c:                                    269.2 ( 1.00x)
w_avg_12_128x128_neon:                                  42.0 ( 6.41x)

Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
2024-10-01 10:28:54 +08:00
compat
doc avformat/avformat: add side data to AVStreamGroupTileGrid 2024-09-30 14:36:24 -03:00
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libavcodec aarch64/vvc: Add w_avg 2024-10-01 10:28:54 +08:00
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libavutil lavu: deprecate av_opt_set_int_list() and related infrastructure 2024-09-30 09:14:04 +02:00
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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.