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Deb Mukherjee b543a29020 avcodec/libvpxenc: Adds support for constant quality mode in VP9. 
Changes in the parameter mapping for libvpx to support the constant
quality mode in VP9. The assumption in the patch is that if crf is
provided but bitrate is 0, then the 'constant quality' mode of VP9
is used. However if both are present, the 'constrained quality' mode
is used as before.

Reviewed-by: James Zern <jzern@google.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-08-28 15:21:57 +02:00
compat
doc doc/ffprobe: fix -show_entries example 2014-08-28 12:20:18 +02:00
libavcodec avcodec/libvpxenc: Adds support for constant quality mode in VP9. 2014-08-28 15:21:57 +02:00
libavdevice bktr: Fix Fabrice's name 2014-08-27 19:17:58 +02:00
libavfilter avfilter: add codecview filter 2014-08-24 14:35:11 +02:00
libavformat avformat/icoenc: Remove deprecated use of codec_name 2014-08-28 14:34:55 +02:00
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libavutil Replace incorrect use of "multiply" with "multiple" 2014-08-27 16:00:17 -08:00
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version.sh

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 analisys 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

Conding examples are available in the doc/example directory.

License

FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.