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Marton Balint 15d160cc0b avformat/udp: increase the default buffer size of a receiving socket to 384K 
It is a common mistake that people only increase fifo_size when they experience
drops, unfortunately this does not help for higher bitrate (> 100 Mbps) streams
when the reader thread simply might not receive the packets in time (especially
under high CPU load) if the default 64 KB of kernel buffer size is used.

New default is determined so that common linux systems can set this buffer size
without tuning kernel parameters.

Signed-off-by: Marton Balint <cus@passwd.hu>
2020-01-25 23:16:47 +01:00
compat avutil/thread: Add pthread_cond_timedwait function 2020-01-21 22:34:15 +01:00
doc avformat/udp: increase the default buffer size of a receiving socket to 384K 2020-01-25 23:16:47 +01:00
ffbuild build: add support for building CUDA files with clang 2019-08-04 19:08:08 +02:00
fftools cmdutils: Fix compilation on cygwin wrt SetDllDirectory and GetModuleHandle 2020-01-08 13:53:31 +02:00
libavcodec avcodec/cbs_av1_syntax_template: Remove unused variable 2020-01-24 20:03:47 -03:00
libavdevice avdevice/xcbgrab: check if frame size fits in INT_MAX 2020-01-24 01:17:14 +01:00
libavfilter avfilter/vf_v360: do not remap alpha plane if that will be overwritten later 2020-01-25 20:00:53 +01:00
libavformat avformat/udp: increase the default buffer size of a receiving socket to 384K 2020-01-25 23:16:47 +01:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil avutil/thread: fix strict_pthread_cond_timedwait 2020-01-25 23:16:18 +01:00
libpostproc Silence "string-plus-int" warning shown by clang. 2020-01-06 22:38:56 +01:00
libswresample Silence "string-plus-int" warning shown by clang. 2020-01-06 22:38:56 +01:00
libswscale swscale/input: Fix several invalid shifts related to rgb2yuv constants 2020-01-22 21:50:49 +01:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests checkasm: Check HAVE_GETSTDHANDLE here as well 2020-01-24 22:17:18 +02:00
tools tools/target_dec_fuzzer: Use codec_tags list 2020-01-22 21:50:49 +01:00
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
.gitignore tools/python: add script to convert TensorFlow model (.pb) to native model (.model) 2019-07-01 10:23:47 -03:00
.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
Changelog avfilter: add freezeframes video filter 2020-01-11 19:05:17 +01:00
configure configure: Check for GetStdHandle in addition to SetConsoleTextAttribute 2020-01-23 18:30:09 +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 CREDITS: redirect to Git log, remove current outdated content 2013-01-31 18:02:52 +01:00
INSTALL.md INSTALL.md: Fix Markdown formatting 2019-01-31 10:29:16 -09:00
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: add myself as libxavs2 maintainer 2019-12-07 19:34:57 +01:00
Makefile tools: add a fuzzer tool for bitstream filters 2019-12-05 20:49:15 -03:00
README.md Remove the ffserver program 2018-01-06 18:31:37 +00:00
RELEASE RELEASE: Update value for post 4.2 branch 2019-07-21 18:37:32 +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.