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Jun Zhao a271025215 lavfi/vf_scale_vaapi: add scaling mode setting support. before this change, scale_vaapi hard coding the scaling mode, add a new option "mode" to setting the scaling mode, it can be use to change scaling algorithm for performance/quality trade off. Note: VA_FILTER_SCALING_NL_ANAMORPHIC(nolinear ananorphic scaling algorithm) doesn't support by i965/iHD driver now, add this just for completeness. Reviewed-by: Mark Thompson <sw@jkqxz.net> Signed-off-by: Jun Zhao <mypopydev@gmail.com>		2018-12-10 15:24:47 +08:00
compat	additional math.h functions for djgpp	2018-11-28 22:16:07 +11:00
doc	avformat/hlsenc : Added an option to ignore IO errors	2018-12-10 14:19:23 +08:00
ffbuild	…
fftools	ffplay: fix -x and -y options when only one of them is used	2018-12-02 00:57:10 +01:00
libavcodec	lavc/qsvenc: replace assert with error return	2018-12-10 11:19:24 +08:00
libavdevice	avdevice/decklink_enc: add support for setting genlock timing offset	2018-12-02 00:57:10 +01:00
libavfilter	lavfi/vf_scale_vaapi: add scaling mode setting support.	2018-12-10 15:24:47 +08:00
libavformat	avformat/hlsenc : Added an option to ignore IO errors	2018-12-10 14:19:23 +08:00
libavresample	…
libavutil	hwcontext_opencl: Use correct function to enumerate devices	2018-12-02 23:39:19 +00:00
libpostproc	Bump minor version for master after 4.1 branchpoint	2018-11-02 00:53:07 +01:00
libswresample	Bump minor version for master after 4.1 branchpoint	2018-11-02 00:53:07 +01:00
libswscale	swscale/ppc: Move VSX-using code to its own file	2018-12-04 02:59:07 +01:00
presets	…
tests	avcodec/r210: use correct pixel format	2018-12-03 17:17:42 +01:00
tools	tools/qt-faststart: Allow free atoms after moov atom.	2018-08-01 00:49:54 +02:00
.gitattributes	…
.gitignore	…
.travis.yml	…
CONTRIBUTING.md	…
COPYING.GPLv2	…
COPYING.GPLv3	…
COPYING.LGPLv2.1	…
COPYING.LGPLv3	…
CREDITS	…
Changelog	avcodec: add PCM-DVD encoder	2018-12-01 19:41:48 +01:00
INSTALL.md	…
LICENSE.md	…
MAINTAINERS	MAINTAINERS: remove myself as hls demuxer maintainer	2018-10-16 01:18:00 +03:00
Makefile	avcodec/parser: move parsers list and related API to its own file	2018-07-21 16:08:29 -03:00
README.md	…
RELEASE	RELEASE: bump to 4.1.git	2018-11-02 00:55:49 +01:00
configure	configure: check if dlfcn.h is present for ladspa and frei0r, if not abort early	2018-12-03 11:07:49 +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.