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Rostislav Pehlivanov 79450adfc8 opus: simplify coarse energy beta coefficients 
Just put the subtraction in the table.

Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>
2017-07-18 20:52:06 +01:00
compat compat/cuda: make cuvidGetDecoderCaps optional 2017-06-01 12:39:06 +02:00
doc avdevice/decklink_dec: add support for receiving op47 teletext 2017-07-18 18:28:57 +02:00
ffbuild build: Allow generating dependencies as a side-effect of assembling 2017-06-21 17:00:29 -03:00
libavcodec opus: simplify coarse energy beta coefficients 2017-07-18 20:52:06 +01:00
libavdevice avdevice/decklink_dec: add support for receiving op47 teletext 2017-07-18 18:28:57 +02:00
libavfilter avfilter: add LIBVMAF filter 2017-07-16 08:21:32 -04:00
libavformat webmdashenc: Fix memory leak 2017-07-16 16:09:17 +01:00
libavresample build: Generalize yasm/nasm-related variable names 2017-06-21 17:00:29 -03:00
libavutil avutil/threadmessage: fix error return in case of av_fifo_alloc failure 2017-07-14 02:30:37 +02:00
libpostproc Merge commit '92db5083077a8b0f8e1050507671b456fd155125' 2017-05-04 19:59:30 -03:00
libswresample libswresample: check input to swr_convert_frame for NULL 2017-07-08 18:13:43 +02:00
libswscale build: Generalize yasm/nasm-related variable names 2017-06-21 17:00:29 -03:00
presets
tests fate: add sub-srt-badsyntax test 2017-07-15 04:16:44 +02:00
tools build: Generalize yasm/nasm-related variable names 2017-06-21 17:00:29 -03:00
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
.gitignore build: add support for building .cu files via nvcc 2017-05-15 11:46:50 +02:00
.travis.yml build: Prefer NASM assembler over YASM 2017-06-21 17:00:30 -03:00
Changelog avfilter: add LIBVMAF filter 2017-07-16 08:21:32 -04:00
cmdutils_opencl.c cmdutils_opencl: Fix read of uinitialized cl_mem 2017-05-11 13:02:12 +02:00
cmdutils.c avformat, ffmpeg: deprecate old rotation API 2017-03-27 13:20:27 +02:00
cmdutils.h Merge commit '122de16dd8108a59a55d30543c9f28b5f61b02d1' 2017-05-05 14:04:30 +02:00
configure configure: Fix libvmaf name 2017-07-16 16:12:25 +01:00
CONTRIBUTING.md
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS
ffmpeg_cuvid.c ffmpeg_cuvid: adapt for recent filter graph initialization changes 2017-03-03 08:45:43 +01:00
ffmpeg_filter.c ffmpeg: Support setting the hardware device to use when filtering 2017-06-14 22:27:07 +01:00
ffmpeg_hw.c avconv_hw: Free device on initialisation failure 2017-06-18 17:07:25 +01:00
ffmpeg_opt.c ffmpeg: reindent after previous commit 2017-07-18 10:39:38 +02:00
ffmpeg_qsv.c ffmpeg: init filtergraphs only after we have a frame on each input 2017-03-03 08:45:43 +01:00
ffmpeg_videotoolbox.c ffmpeg_videotoolbox: fix usage of av_get_codec_tag_string() 2017-03-29 14:49:29 +02:00
ffmpeg.c ffmpeg: Fix typos in the comment for decode() ("." vs. "->") 2017-07-07 03:48:56 +02:00
ffmpeg.h dxva: add support for new dxva2 and d3d11 hwaccel APIs 2017-06-27 18:05:02 +02:00
ffplay.c ffplay: reindent after previous commit 2017-07-18 10:39:43 +02:00
ffprobe.c ffprobe: reindent after previous commit 2017-07-18 10:39:46 +02:00
ffserver_config.c ffserver_config: Check for failure to allocate FFServerIPAddressACL 2016-12-22 19:23:08 +01:00
ffserver_config.h ffsrever: Make the status page bitexact if any stream is bitexact 2016-11-29 19:26:26 +01:00
ffserver.c Merge commit '122de16dd8108a59a55d30543c9f28b5f61b02d1' 2017-05-05 14:04:30 +02:00
INSTALL.md
LICENSE.md Merge commit '4fef648d10bf3bcfd4b8fa5755c1128966a2427c' 2017-03-15 22:07:47 +01:00
MAINTAINERS MAINTAINERS: Add Manojkumar Bhosale for MIPS, remove myself. 2017-06-08 01:25:15 +02:00
Makefile dxva: add support for new dxva2 and d3d11 hwaccel APIs 2017-06-27 18:05:02 +02:00
README.md
RELEASE Bump minor versions for master after release/3.3 branchpoint 2017-03-31 13:21:06 +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.
  • ffserver is a multimedia streaming server for live broadcasts.
  • 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.