f8d429e0c5
add yuv444p, yuv422p, and yuv420p output format (lower cpu usage on ffplay playback because it does not do format conversion) custom size with size/s option (fullhd option is deprecated) custom layout with bar_h, axis_h, and sono_h option support rational frame rate (within fps/r/rate option) relaxed frame rate restriction (support fractional sample step) support all input sample rates separate sonogram and bargraph volume (with volume/sono_v and volume2/bar_v) timeclamp option alias (timeclamp/tc) fcount option gamma option alias (gamma/sono_g and gamma2/bar_g) support custom frequency range (basefreq and endfreq) support drawing axis using external image file (axisfile option) alias for disabling drawing to axis (text/axis) possibility to optimize it using arch specific asm code Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
FFmpeg README
FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.
Libraries
libavcodecprovides implementation of a wider range of codecs.libavformatimplements streaming protocols, container formats and basic I/O access.libavutilincludes hashers, decompressors and miscellaneous utility functions.libavfilterprovides a mean to alter decoded Audio and Video through chain of filters.libavdeviceprovides an abstraction to access capture and playback devices.libswresampleimplements audio mixing and resampling routines.libswscaleimplements 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,ismindexandqt-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.