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Vittorio Giovara ce7ca726b2 vf_tonemap: Fix logic for detecting the maximum peak of untagged sources When there is no metadata attached to a frame, take into account both the PQ and HLG transfers, and change the HLG default value to 10: the value of 12 is the maximum range in scene referred light, but the reference OOTF maps this from 0 to 1000 cd/m² on the ideal HLG monitor. This matches what vf_tonemap_opencl does.		2018-08-06 18:34:49 +02:00
compat	…
doc	doc/formats: Add documentation for skip_estimate_duration_from_pts	2018-07-30 10:00:04 +05:30
ffbuild	…
fftools	cmdutils: print a more descriptive error message in show_help_bsf() when no bsf is specified	2018-07-28 11:14:45 -03:00
libavcodec	avcodec/libaomenc: correct range for cpu-used	2018-08-06 10:19:27 +05:30
libavdevice	avdevice/v4l2enc: add video4linux2 name alias	2018-06-18 16:26:23 -08:00
libavfilter	vf_tonemap: Fix logic for detecting the maximum peak of untagged sources	2018-08-06 18:34:49 +02:00
libavformat	avformat/flvenc: Check audio packet size	2018-08-04 16:17:01 +02:00
libavresample	…
libavutil	x86/pixelutils: don't use the AVX2 functions on CPUs known to be slow with them	2018-07-31 22:14:53 -03:00
libpostproc	Bump minor versions after release/4.0 branching	2018-04-16 12:35:12 +02:00
libswresample	swresample/swresample: Fix input channel count in resample_first computation	2018-07-26 02:42:42 +02:00
libswscale	lsws/rgb2rgb_template: Do not compile unneeded shuffle functions on big-endian.	2018-06-10 03:22:59 +02:00
presets	…
tests	lavutil/pixelutils: add sad_32x32 in pixelutils API.	2018-07-31 19:09:35 +08:00
tools	tools/qt-faststart: Allow free atoms after moov atom.	2018-08-01 00:49:54 +02:00
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CONTRIBUTING.md	…
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CREDITS	…
Changelog	lavc, doc, configure: add avs2 video decoder wrapper	2018-07-27 20:07:56 +08:00
INSTALL.md	…
LICENSE.md	…
MAINTAINERS	avfilter: Add colorconstancy filter	2018-07-23 22:34:52 +02:00
Makefile	avcodec/parser: move parsers list and related API to its own file	2018-07-21 16:08:29 -03:00
README.md	…
RELEASE	…
configure	avcodec/libaomdec: auto insert dump_extra bitstream filter	2018-08-02 12:41:05 -03:00

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.