mirror of https://github.com/FFmpeg/FFmpeg.git synced 2026-06-19 19:03:00 +02:00

T

Martin Storsjö c582cb8537 arm/aarch64: vp9lpf: Keep the comparison to E within 8 bit

The theoretical maximum value of E is 193, so we can just
saturate the addition to 255.

Before:                     Cortex A7      A8      A9     A53  A53/AArch64
vp9_loop_filter_v_4_8_neon:     143.0   127.7   114.8    88.0         87.7
vp9_loop_filter_v_8_8_neon:     241.0   197.2   173.7   140.0        136.7
vp9_loop_filter_v_16_8_neon:    497.0   419.5   379.7   293.0        275.7
vp9_loop_filter_v_16_16_neon:   965.2   818.7   731.4   579.0        452.0
After:
vp9_loop_filter_v_4_8_neon:     136.0   125.7   112.6    84.0         83.0
vp9_loop_filter_v_8_8_neon:     234.0   195.5   171.5   136.0        133.7
vp9_loop_filter_v_16_8_neon:    490.0   417.5   377.7   289.0        271.0
vp9_loop_filter_v_16_16_neon:   951.2   814.7   732.3   571.0        446.7

Signed-off-by: Martin Storsjö <martin@martin.st>

2017-02-24 00:02:36 +02:00

avbuild

build: Add version numbers to "Requires" entries in pkg-config files

2016-12-28 17:41:54 +01:00

avtools

build: Move cli tool sources to a separate subdirectory

2017-02-21 16:10:51 +01:00

compat

compat/atomics: add typecasts in atomic_compare_exchange_strong()

2016-12-08 15:53:58 -05:00

doc

build: Separate logic for building examples from that for building avtools

2017-02-21 16:10:51 +01:00

libavcodec

arm/aarch64: vp9lpf: Keep the comparison to E within 8 bit

2017-02-24 00:02:36 +02:00

libavdevice

build: Generate pkg-config files from Make and not from configure

2016-12-22 12:30:54 +01:00

libavfilter

vf_deinterlace_vaapi: Create filter buffer after context

2017-02-17 23:20:39 +00:00

libavformat

matroskaenc: factor ts_offset into block timecode computation

2017-02-21 14:20:31 -07:00

libavresample

Mark some arrays that never change as const.

2017-02-01 10:42:59 +01:00

libavutil

aarch64: Add parentheses around the offset parameter in movrel

2017-02-16 09:56:11 +02:00

libswscale

swscale-test: const correctness for pointer variable

2017-01-24 13:03:57 +01:00

presets

presets: spelling error in libvpx 1080p50_60

2011-10-22 00:28:56 +02:00

tests

mkv: Update the seek test to match 5d3953a5dc

2017-02-22 10:15:00 +01:00

tools

build: Move entries related to building TOOLS to a subdirectory Makefile

2016-12-07 11:02:31 +01:00

.gitattributes

Treat all '*.pnm' files as non-text file

2014-11-28 17:52:43 -05:00

.gitignore

build: Ignore generated .version files

2017-02-03 11:37:53 +01:00

.travis.yml

travis: Enable OSX integration

2015-11-17 16:51:00 +01:00

Changelog

vaapi_encode: Add VP8 support

2017-01-30 23:03:46 +00:00

configure

configure: Restructure the way check_pkg_config() operates

2017-02-20 20:16:05 +01:00

COPYING.GPLv2

…

COPYING.GPLv3

…

COPYING.LGPLv2.1

cosmetics: Delete empty lines at end of file.

2012-02-09 12:26:45 +01:00

COPYING.LGPLv3

…

CREDITS

partially rename FFmpeg to Libav

2011-03-16 21:54:39 +01:00

INSTALL

doc: clarify configure features

2011-04-07 02:54:12 +02:00

LICENSE

Remove the legacy X11 screen grabber

2016-07-29 19:03:10 +02:00

Makefile

build: Move cli tool sources to a separate subdirectory

2017-02-21 16:10:51 +01:00

README

doc: Add more information in the README

2014-08-16 00:49:22 +02:00

README.md

doc: Add travis badge

2015-09-14 00:19:08 +02:00

RELEASE

Make the RELEASE file match with the most recent tag

2016-10-14 13:52:51 -04:00

README.md

Libav

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.