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Lauri Kasanen 3256e949be swscale/ppc: VSX-optimize yuv2rgb_full_2 
./ffmpeg -f lavfi -i yuvtestsrc=duration=1:size=1200x1440 -sws_flags area \
            -s 1200x720 -f null -vframes 100 -pix_fmt $i -nostats \
            -cpuflags 0 -v error -

32-bit mul, power8 only.

~4x speedup:

rgb24
  52763 UNITS in yuv2packed2,   16384 runs,      0 skips
  13453 UNITS in yuv2packed2,   16384 runs,      0 skips
bgr24
  53144 UNITS in yuv2packed2,   16384 runs,      0 skips
  13616 UNITS in yuv2packed2,   16384 runs,      0 skips
rgba
  52796 UNITS in yuv2packed2,   16384 runs,      0 skips
  12904 UNITS in yuv2packed2,   16384 runs,      0 skips
bgra
  52732 UNITS in yuv2packed2,   16384 runs,      0 skips
  13262 UNITS in yuv2packed2,   16384 runs,      0 skips
argb
  52661 UNITS in yuv2packed2,   16384 runs,      0 skips
  12879 UNITS in yuv2packed2,   16384 runs,      0 skips
bgra
  52662 UNITS in yuv2packed2,   16384 runs,      0 skips
  12932 UNITS in yuv2packed2,   16384 runs,      0 skips
2019-04-07 09:20:33 +03:00
compat
additional math.h functions for djgpp
2018-11-28 22:16:07 +11:00
doc
doc/examples/metadata: fix the example can't dump FLV metadata
2019-04-07 10:18:42 +08:00
ffbuild
Merge commit '7e5bde93a1e7641e1622814dafac0be3f413d79b'
2019-03-10 19:31:13 -03:00
fftools
fftools/ffmpeg: Check if we do have also a filter_complex filter.
2019-03-28 21:29:20 +01:00
libavcodec
avcodec/agm: Fix integer overflow with w/h
2019-04-05 12:05:47 +02:00
libavdevice
lavd/x11grab: fix vertical repositioning
2019-04-06 15:20:36 +02:00
libavfilter
avfilter/vf_yadif_cuda: Remove unnecessary stream synchronisation
2019-03-30 08:55:15 -07:00
libavformat
lavf/Makefile: Fix kux demuxer standalone compilation.
2019-04-07 02:00:30 +02:00
libavresample
avresample: remove deprecated attribute from the AVAudioResampleContext struct
2018-01-09 10:56:53 -03:00
libavutil
avutil/hcontext_cuda: Remove unnecessary stream synchronisation
2019-03-30 10:56:49 -07:00
libpostproc
postproc/postprocess_template: remove FF_REG_sp from clobber list
2018-12-22 17:41:44 +01:00
libswresample
Bump minor version for master after 4.1 branchpoint
2018-11-02 00:53:07 +01:00
libswscale
swscale/ppc: VSX-optimize yuv2rgb_full_2
2019-04-07 09:20:33 +03:00
presets
…
tests
FATE: Add test for HEVC files that claim to have two first slices
2019-04-05 14:16:52 +01:00
tools
tools/target_dec_fate.list: add issues 4000 to 6000
2019-03-20 21:12:45 +01:00
.gitattributes
fate: add SCC test
2017-01-27 17:06:42 +01:00
.gitignore
Remove the ffserver program
2018-01-06 18:31:37 +00:00
.travis.yml
Merge commit '899ee03088d55152a48830df0899887f055da1de'
2019-03-14 15:53:16 -03:00
Changelog
lavf/flvdec: added support for KUX container
2019-04-06 15:54:38 +02:00
configure
configure: include pkgconfig path as vaapi header search
2019-03-28 21:47:15 +08:00
CONTRIBUTING.md
Add CONTRIBUTING.md
2016-09-18 10:02:13 +01:00
COPYING.GPLv2
…
COPYING.GPLv3
…
COPYING.LGPLv2.1
…
COPYING.LGPLv3
…
CREDITS
…
INSTALL.md
INSTALL.md: Fix Markdown formatting
2019-01-31 10:29:16 -09:00
LICENSE.md
Merge commit '4fef648d10bf3bcfd4b8fa5755c1128966a2427c'
2017-03-15 22:07:47 +01:00
MAINTAINERS
MAINTAINERS: remove myself as mailing list maintainer
2019-03-21 11:34:13 -08:00
Makefile
Merge commit '7e5bde93a1e7641e1622814dafac0be3f413d79b'
2019-03-10 19:31:13 -03:00
README.md
Remove the ffserver program
2018-01-06 18:31:37 +00:00
RELEASE
RELEASE: bump to 4.1.git
2018-11-02 00:55:49 +01:00

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 a mean to alter decoded Audio and Video through chain of 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.

Description
Mirror of https://git.ffmpeg.org/ffmpeg.git
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Readme 536 MiB
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