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Jerome Borsboom 19c3df0cd6 avcodec/vc1: fix mquant calculation 
In vc1_decode_i_blocks_adv mquant needs to be reset to its default value for
each macroblock, instead of once at the beginning of the slice.

DQPROFILE specifies which macroblocks can have an alternative quantizer step
size. When DQPROFILE specifies edges, the selection is applicable to the edges
of the picture. Slice edges are not selected by DQPROFILE.

Signed-off-by: Jerome Borsboom <jerome.borsboom@carpalis.nl>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-04-29 03:57:33 +02:00
compat compat: remove in-tree NVidia headers 2018-02-27 16:22:12 +01:00
doc doc/ffmpeg - update benchmark option readout details 2018-04-28 22:51:04 +05:30
ffbuild Merge commit '17b6c7efb4' 2017-11-12 01:02:02 -03:00
fftools fftools/ffmpeg: change fps progress log message to show two decimal digits 2018-04-28 18:08:52 +02:00
libavcodec avcodec/vc1: fix mquant calculation 2018-04-29 03:57:33 +02:00
libavdevice avdevice/android_camera: Fix AVClass.version 2018-04-19 23:44:33 +02:00
libavfilter avfilter/vf_fieldmatch: use correct subsamplings for y0a, y1a and startx 2018-04-28 22:49:09 +02:00
libavformat avformat/mpegts: set AV_DISPOSITION_DESCRIPTIONS for OIPF cases 2018-04-27 01:14:45 +02:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil hwcontext_vaapi: Fix compilation with libva versions < 1.4.0 2018-04-27 23:29:51 +01:00
libpostproc Bump minor versions after release/4.0 branching 2018-04-16 12:35:12 +02:00
libswresample swresample/arm: rename labels to fix xcode build error 2018-04-28 18:08:52 +02:00
libswscale swscale/swscale_unscaled : add X86_64 (SSE2 and AVX) for uyvyto422 2018-04-22 19:15:32 +02:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests avfilter/vf_fieldmatch: use correct subsamplings for y0a, y1a and startx 2018-04-28 22:49:09 +02:00
tools lav*,tests: remove several register_all calls 2018-04-02 03:26:22 +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 '4809781586' 2017-10-28 15:08:31 -03:00
Changelog avfilter: add tmix filter 2018-04-26 16:44:15 +02:00
configure make swresample optional for ffmpeg 2018-04-25 12:38:03 +02:00
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: add markdown syntax 2014-05-28 22:38:38 +02:00
LICENSE.md Merge commit '4fef648d10' 2017-03-15 22:07:47 +01:00
MAINTAINERS MAINTAINERS: add myself to documentation section 2018-04-13 09:40:27 -08:00
Makefile Revert "lavd: add new API for iterating input and output devices" 2018-03-31 23:26:31 +01:00
README.md Remove the ffserver program 2018-01-06 18:31:37 +00:00
RELEASE RELEASE: update for git after 3.4 branchpoint 2017-10-11 02:46:23 +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.