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Ganesh Ajjanagadde 39f8c7961d lavu/random_seed: use arc4random() when available 
arc4random() was designed as a superior interface for system random
number generation, designed for OpenBSD and subsequently incorporated by
other BSD's, Mac OS X, and some non-standard libc's. It is thus an improvement to
use it whenever available.

As a side note, this may or may not get included in glibc, and there is
a proposal to create a posix_random family based on these ideas:
http://austingroupbugs.net/view.php?id=859.

Tested on Mac OS X.

Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
2015-12-17 08:12:41 -08:00
compat
doc Merge commit 'e02de9df4b218bd6e1e927b67fd4075741545688' 2015-12-17 14:48:46 +01:00
libavcodec Merge commit '68e547ae8b455e5e2b60839f35c359d77a6d94bc' 2015-12-17 14:52:28 +01:00
libavdevice
libavfilter avfilter/af_sofalizer: use SIMD in compensate_volume() 2015-12-16 15:00:14 +01:00
libavformat Merge commit 'b8b21dee0f0b4bcc1888067c497d6e838859d2cd' 2015-12-17 14:49:24 +01:00
libavresample
libavutil lavu/random_seed: use arc4random() when available 2015-12-17 08:12:41 -08:00
libpostproc
libswresample
libswscale swscale/x86/rgb2rgb_template: Fallback to mmx in interleaveBytes() if the alignment is insufficient for SSE* 2015-12-15 03:06:33 +01:00
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Changelog movenc: support cenc (common encryption) 2015-12-15 14:16:28 +01:00
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configure lavu/random_seed: use arc4random() when available 2015-12-17 08:12:41 -08:00
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CREDITS
ffmpeg_dxva2.c
ffmpeg_filter.c
ffmpeg_opt.c ffmpeg: Allow specifying the program number for created programs 2015-12-16 14:03:57 +01:00
ffmpeg_qsv.c
ffmpeg_vdpau.c
ffmpeg_videotoolbox.c
ffmpeg.c Merge commit 'e63e3797a1ed9346f529848e6ba3d27fd2d2cc8d' 2015-12-17 13:20:37 +01:00
ffmpeg.h
ffplay.c
ffprobe.c ffprobe: use print_val to print the frame pkt_size value 2015-12-16 18:59:23 +01:00
ffserver_config.c
ffserver_config.h
ffserver.c ffserver: explicitly use time_t for uptime calc 2015-12-15 10:04:59 -08:00
INSTALL.md
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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. Few developers follow pull requests so they will likely be ignored.