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FFmpeg git repo
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Zhao Zhili 2d4ef304c9 avcodec/vvc: Add aarch64 neon optimization for ALF 
vvc_alf_filter_chroma_4x4_8_c: 3.0
vvc_alf_filter_chroma_4x4_8_neon: 1.0
vvc_alf_filter_chroma_4x4_10_c: 2.7
vvc_alf_filter_chroma_4x4_10_neon: 1.0
vvc_alf_filter_chroma_4x4_12_c: 2.7
vvc_alf_filter_chroma_4x4_12_neon: 1.0
vvc_alf_filter_chroma_8x8_8_c: 10.2
vvc_alf_filter_chroma_8x8_8_neon: 3.0
vvc_alf_filter_chroma_8x8_10_c: 10.0
vvc_alf_filter_chroma_8x8_10_neon: 2.5
vvc_alf_filter_chroma_8x8_12_c: 10.0
vvc_alf_filter_chroma_8x8_12_neon: 2.5
vvc_alf_filter_chroma_16x16_8_c: 41.7
vvc_alf_filter_chroma_16x16_8_neon: 11.2
vvc_alf_filter_chroma_16x16_10_c: 39.0
vvc_alf_filter_chroma_16x16_10_neon: 10.0
vvc_alf_filter_chroma_16x16_12_c: 40.2
vvc_alf_filter_chroma_16x16_12_neon: 10.2
vvc_alf_filter_chroma_32x32_8_c: 162.0
vvc_alf_filter_chroma_32x32_8_neon: 45.0
vvc_alf_filter_chroma_32x32_10_c: 155.5
vvc_alf_filter_chroma_32x32_10_neon: 39.5
vvc_alf_filter_chroma_32x32_12_c: 155.5
vvc_alf_filter_chroma_32x32_12_neon: 40.0
vvc_alf_filter_chroma_64x64_8_c: 646.0
vvc_alf_filter_chroma_64x64_8_neon: 175.5
vvc_alf_filter_chroma_64x64_10_c: 708.2
vvc_alf_filter_chroma_64x64_10_neon: 166.7
vvc_alf_filter_chroma_64x64_12_c: 619.2
vvc_alf_filter_chroma_64x64_12_neon: 157.2
vvc_alf_filter_chroma_128x128_8_c: 2611.5
vvc_alf_filter_chroma_128x128_8_neon: 698.2
vvc_alf_filter_chroma_128x128_10_c: 2470.0
vvc_alf_filter_chroma_128x128_10_neon: 616.0
vvc_alf_filter_chroma_128x128_12_c: 2531.5
vvc_alf_filter_chroma_128x128_12_neon: 620.2
vvc_alf_filter_luma_8x8_8_c: 25.2
vvc_alf_filter_luma_8x8_8_neon: 4.2
vvc_alf_filter_luma_8x8_10_c: 18.5
vvc_alf_filter_luma_8x8_10_neon: 4.0
vvc_alf_filter_luma_8x8_12_c: 19.0
vvc_alf_filter_luma_8x8_12_neon: 4.0
vvc_alf_filter_luma_16x16_8_c: 106.5
vvc_alf_filter_luma_16x16_8_neon: 16.2
vvc_alf_filter_luma_16x16_10_c: 75.2
vvc_alf_filter_luma_16x16_10_neon: 14.7
vvc_alf_filter_luma_16x16_12_c: 79.7
vvc_alf_filter_luma_16x16_12_neon: 14.7
vvc_alf_filter_luma_32x32_8_c: 400.5
vvc_alf_filter_luma_32x32_8_neon: 63.2
vvc_alf_filter_luma_32x32_10_c: 299.2
vvc_alf_filter_luma_32x32_10_neon: 57.7
vvc_alf_filter_luma_32x32_12_c: 299.2
vvc_alf_filter_luma_32x32_12_neon: 57.7
vvc_alf_filter_luma_64x64_8_c: 1602.5
vvc_alf_filter_luma_64x64_8_neon: 251.7
vvc_alf_filter_luma_64x64_10_c: 1197.0
vvc_alf_filter_luma_64x64_10_neon: 235.5
vvc_alf_filter_luma_64x64_12_c: 1220.2
vvc_alf_filter_luma_64x64_12_neon: 235.7
vvc_alf_filter_luma_128x128_8_c: 6570.2
vvc_alf_filter_luma_128x128_8_neon: 1007.7
vvc_alf_filter_luma_128x128_10_c: 4822.7
vvc_alf_filter_luma_128x128_10_neon: 936.2
vvc_alf_filter_luma_128x128_12_c: 4791.2
vvc_alf_filter_luma_128x128_12_neon: 938.5

Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
2024-07-22 21:09:56 +08:00
compat
doc doc/filters: fix outpad labels in libvmaf_cuda example 2024-07-22 13:00:04 +05:30
ffbuild
fftools fftools/ffmpeg_filter: use the correct specifier for crop arguments 2024-07-18 23:27:20 -03:00
libavcodec avcodec/vvc: Add aarch64 neon optimization for ALF 2024-07-22 21:09:56 +08:00
libavdevice
libavfilter avfilter/vf_xfade: Check ff_inlink_consume_frame() for failure 2024-07-21 17:02:14 +02:00
libavformat avformat/xmv: Check this_packet_size 2024-07-21 17:02:12 +02:00
libavutil avutil/slicethread: Check pthread_*_init() for failure 2024-07-21 17:02:13 +02:00
libpostproc
libswresample
libswscale swscale/output: Fix integer overflows in yuv2rgba64_X_c_template 2024-07-21 15:35:08 +02:00
presets
tests checkasm/h264dsp: test TX bypass 2024-07-21 22:36:48 +03:00
tools tools/target_dec_fuzzer: Adjust threshold for RV30 2024-07-16 18:43:15 +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.