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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-01-29 22:00:58 +02:00
Martin Storsjö 58d1549227 aarch64: vp8: Port epel4 functions from arm version
Cortex A53    A72    A73
vp8_put_epel4_h4_c:        631.4  291.7  367.8
vp8_put_epel4_h4_neon:     241.0  131.0  155.7
vp8_put_epel4_h4v4_c:      967.5  529.3  667.7
vp8_put_epel4_h4v4_neon:   429.3  241.8  279.7
vp8_put_epel4_h4v6_c:     1374.7  657.5  864.5
vp8_put_epel4_h4v6_neon:   515.5  295.5  334.7
vp8_put_epel4_h6_c:        851.0  421.0  486.0
vp8_put_epel4_h6_neon:     321.5  195.0  217.7
vp8_put_epel4_h6v4_c:     1111.3  621.1  781.2
vp8_put_epel4_h6v4_neon:   539.2  328.0  365.3
vp8_put_epel4_h6v6_c:     1561.3  763.3  999.7
vp8_put_epel4_h6v6_neon:   645.5  401.0  434.7
vp8_put_epel4_v4_c:        663.8  298.3  357.0
vp8_put_epel4_v4_neon:     116.0   81.5   72.5
vp8_put_epel4_v6_c:        870.5  437.0  507.4
vp8_put_epel4_v6_neon:     147.7  108.8   92.0

Signed-off-by: Martin Storsjö <martin@martin.st>
2019-02-19 11:46:11 +02:00
2017-10-13 23:57:59 +02:00
2018-11-06 12:39:15 -03:00
2019-02-19 10:05:10 +01:00
2016-07-29 19:03:10 +02:00
2015-09-14 00:19:08 +02:00

Libav

Build Status

Libav 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 a mean to alter decoded Audio and Video through chain of filters.
  • libavdevice provides an abstraction to access capture and playback devices.
  • libavresample implements audio mixing and resampling routines.
  • libswscale implements color conversion and scaling routines.

Tools

  • avconv is a command line toolbox to manipulate, convert and stream multimedia content.
  • avplay is a minimalistic multimedia player.
  • avprobe is a simple analisys 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

Conding examples are available in the doc/example directory.

License

Libav codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.

Languages
C 90.3%
Assembly 7.8%
Makefile 1.3%
C++ 0.2%
Objective-C 0.2%
Other 0.1%