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Jerome Borsboom 797c1536a4 avcodec/vc1: correct AC inverse quantization scaling HALFQP should only be added to the inverse quantizer when the block is coded with PQUANT. See 8.1.3.8 in VC-1 spec. Signed-off-by: Jerome Borsboom <jerome.borsboom@carpalis.nl>		2018-04-25 22:07:20 +02:00
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doc	doc/examples/filtering_audio: Remove setting deprecated refcounted_frames	2018-04-22 15:39:22 +08:00
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fftools	make swresample optional for ffmpeg	2018-04-25 12:38:03 +02:00
libavcodec	avcodec/vc1: correct AC inverse quantization scaling	2018-04-25 22:07:20 +02:00
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libavfilter	avfiler/vf_mix: fix crash with >8 bit depth	2018-04-25 14:08:21 +02:00
libavformat	avformat/yuv4mpegdec: fix seeking backwards	2018-04-25 18:30:46 +02:00
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libswscale	swscale/swscale_unscaled : add X86_64 (SSE2 and AVX) for uyvyto422	2018-04-22 19:15:32 +02:00
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tests	avcodec/vc1: add overlap smooting and loop filter for frame/field-interlace	2018-04-25 22:07:20 +02:00
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Changelog	Revert "libavformat: add mbedTLS based TLS"	2018-04-23 20:29:02 +01:00
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configure	make swresample optional for ffmpeg	2018-04-25 12:38:03 +02:00

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.