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FFmpeg is a very fast video and audio converter. It can also grab from a live audio/video source. The command line interface is designed to be intuitive, in the sense that ffmpeg tries to figure out all the parameters, when possible. You have usually to give only the target bitrate you want. FFmpeg can also convert from any sample rate to any other, and resize video on the fly with a high quality polyphase filter.
ffmpeg-libs is a collection of libraries that provide encoding, decoding, muxing, demuxing, grabbing, recording, rendering, media filters, highly optimized image scaling and color space/pixel format conversion operations for a large variety of A/V containers, codecs, and input/output devices.
FFTW is a C subroutine library for computing the Discrete Fourier Transform (DFT) in one or more dimensions, of both real and complex data, and of arbitrary input size.
This is a dummy package package, pulling in the individual FFTW run-time libraries.
This package contains the FFTW library compiled in double precision.
This package contains the FFTW library compiled in long double precision.