Update to new combined build
This commit is contained in:
Chris Cannam
545
README.txt
545
README.txt
@@ -4,155 +4,86 @@ Rubber Band
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An audio time-stretching and pitch-shifting library and utility program.
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Copyright 2007-2011 Chris Cannam, chris.cannam@breakfastquay.com.
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Written by Chris Cannam, chris.cannam@breakfastquay.com.
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Copyright 2007-2012 Particular Programs Ltd.
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Distributed under the GNU General Public License.
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Rubber Band is a library and utility program that permits changing the
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tempo and pitch of an audio recording independently of one another.
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See http://breakfastquay.com/rubberband/ for more information.
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Contents
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========
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Licence
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=======
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1. About Rubber Band
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- Attractive features
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- Limitations
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Rubber Band is distributed under the GNU General Public License. See
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the file COPYING for more information.
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2. Compiling Rubber Band
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If you wish to distribute code using the Rubber Band Library under
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terms other than those of the GNU General Public License, you must
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obtain a commercial licence from us before doing so. In particular,
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you may not legally distribute through any Apple App Store unless you
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have a commercial licence. See http://breakfastquay.com/rubberband/
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for licence terms.
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3. Using the Rubber Band utility
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If you have obtained a valid commercial licence, your licence
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supersedes this README and the enclosed COPYING file and you may
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redistribute and/or modify Rubber Band under the terms described in
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that licence. Please refer to your licence agreement for more details.
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4. Using the Rubber Band library
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Note that Rubber Band may link with other GPL libraries or with
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proprietary libraries, depending on its build configuration. See the
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section "FFT and resampler selection" below. It is your responsibility
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to ensure that you redistribute only in accordance with the licence
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terms of any other libraries you may build with.
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Contents of this README
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-----------------------
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About Rubber Band
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-----------------
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Rubber Band is a library and utility program that permits you to
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change the tempo and pitch of an audio recording independently of one
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another.
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1. Code components
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2. Using the Rubber Band command-line tool
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3. Using the Rubber Band Library
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4. Compiling Rubber Band
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a. FFT and resampler selection
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b. Other supported #defines
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c. GNU/POSIX systems and Makefiles
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d. OS/X and iOS
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e. Win32 and Visual Studio
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f. Android and Java
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5. Copyright notes for bundled libraries
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Attractive features
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~~~~~~~~~~~~~~~~~~~
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1. Code components
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------------------
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* High quality results suitable for musical use
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Rubber Band consists of:
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Rubber Band is a phase-vocoder-based frequency domain time
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stretcher with phase resynchronisation at noisy transients and a
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phase lamination technique to reduce phasiness. It is suitable for
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most musical uses with its default settings, and has a range of
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options for fine tuning.
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* The Rubber Band library code. This is the code that will normally
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be used by your applications. The headers for this are in the
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rubberband/ directory, and the source code is in src/.
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The Rubber Band library depends upon resampler and FFT code; see
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section 3a below for details.
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* Real-time capable
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* The Rubber Band command-line tool. This is in main/main.cpp.
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This program uses the Rubber Band library and also requires libsndfile
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(http://www.mega-nerd.com/libsndfile/, licensed under the GNU Lesser
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General Public License) for audio file loading.
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In addition to the offline mode (for use in situations where all
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audio data is available beforehand), Rubber Band supports a true
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real-time, lock-free streaming mode, in which the time and pitch
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scaling ratios may be dynamically adjusted during use.
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* A pitch-shifter LADSPA audio effects plugin. This is in ladspa/.
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It requires the LADSPA SDK header ladspa.h (not included).
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* Sample-accurate duration adjustment
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In offline mode, Rubber Band ensures that the output has exactly
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the right number of samples for the given stretch ratio. (In
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real-time mode Rubber Band aims to keep as closely as possible to
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the exact ratio, although this depends on the audio material
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itself.)
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* Multiprocessor/multi-core support
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Rubber Band's offline mode can take advantage of more than one
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processor core if available, when processing data with two or more
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audio channels.
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* No job too big, or too small
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Rubber Band is tuned so as to work well with the default settings
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for any stretch ratio, from tiny deviations from the original
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speed to very extreme stretches.
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* Handy utilities included
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The Rubber Band code includes a useful command-line time-stretch
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and pitch shift utility (called simply rubberband), two LADSPA
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pitch shifter plugins (Rubber Band Mono Pitch Shifter and Rubber
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Band Stereo Pitch Shifter), and a Vamp audio analysis plugin which
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may be used to inspect the stretch profile decisions Rubber Band
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is taking.
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* Free Software
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Rubber Band is Free Software published under the GNU General
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Public License.
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* A Vamp audio analysis plugin which may be used to inspect the
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dynamic stretch ratios and other decisions taken by the Rubber Band
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library when in use. This is in vamp/. It requires the Vamp
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plugin SDK (http://www.vamp-plugins.org/develop.html) (not included).
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Limitations
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~~~~~~~~~~~
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2. Using the Rubber Band command-line tool
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------------------------------------------
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* Not especially fast
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The algorithm used by Rubber Band is very processor intensive, and
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Rubber Band is not the fastest implementation on earth.
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* Not especially state of the art
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Rubber Band employs well known algorithms which work well in many
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situations, but it isn't "cutting edge" in any interesting sense.
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* Relatively complex
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While the fundamental algorithms in Rubber Band are not especially
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complex, the implementation is complicated by the support for
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multiple processing modes, exact sample precision, threading, and
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other features that add to the flexibility of the API.
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Compiling Rubber Band
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---------------------
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Rubber Band Library is supplied with a configure script for Linux and
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other systems with pkg-config, and a separate Makefile for basic OS/X
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builds without pkg-config. It's also possible to build the Rubber
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Band Library GPL edition for Windows using MinGW, though you'll have
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to hack your own Makefile for that.
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Using configure
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~~~~~~~~~~~~~~~
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To build Rubber Band you will also need libsndfile, libsamplerate,
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FFTW3, the Vamp plugin SDK, the LADSPA plugin header, the pthread
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library (except on Win32), and a C++ compiler. The code has been
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tested with GCC 4.x and with the Intel C++ compiler.
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Rubber Band comes with a simple autoconf script. Run
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$ ./configure
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$ make
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to compile, and optionally
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# make install
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to install.
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Simple build for OS/X
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~~~~~~~~~~~~~~~~~~~~~
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To build just the library (but not the command-line utility, Vamp
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plugin or LADSPA plugin) for OS/X, run
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$ make -f build/Makefile.osx
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You will need libsamplerate and libfftw3 installed, but no other
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non-system dependencies.
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Using the Rubber Band utility
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-----------------------------
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The Rubber Band command-line utility builds as bin/rubberband. The
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basic incantation is
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The Rubber Band command-line tool builds as bin/rubberband. The basic
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incantation is
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$ rubberband -t <timeratio> -p <pitchratio> <infile.wav> <outfile.wav>
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@@ -168,8 +99,8 @@ In particular, different types of music may benefit from different
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"crispness" options (-c <n> where <n> is from 0 to 6).
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Using the Rubber Band library
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-----------------------------
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3. Using the Rubber Band library
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--------------------------------
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The Rubber Band library has a public API that consists of one C++
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class, called RubberBandStretcher in the RubberBand namespace. You
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@@ -189,11 +120,353 @@ pitch shifter plugin (ladspa/RubberBandPitchShifter.cpp) may be used
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as an example of Rubber Band in real-time mode.
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IMPORTANT: Please ensure you have read and understood the licensing
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terms for Rubber Band before using it in another application. This
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terms for Rubber Band before using it in your application. This
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library is provided under the GNU General Public License, which means
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that any application that uses it must also be published under the GPL
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or a compatible license (i.e. with its full source code also available
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for modification and redistribution). See the file COPYING for more
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details. Alternative commercial and proprietary licensing terms are
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available; please contact the author if you are interested.
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or a compatible licence (i.e. with its full source code also available
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for modification and redistribution) unless you have separately
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acquired a commercial licence from the author.
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4. Compiling Rubber Band
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------------------------
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4a. FFT and resampler selection
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-------------------------------
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Rubber Band requires additional library code for FFT calculation and
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resampling. Several libraries are supported. The selection is
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controlled using preprocessor flags at compile time, as detailed in
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the tables below.
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Flags that declare that you want to use an external library begin with
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HAVE_; flags that select from the bundled options begin with USE_.
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You must enable one resampler implementation and one FFT
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implementation. Do not enable more than one of either unless you know
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what you're doing.
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If you are building this software using one of the bundled library
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options (Speex or KissFFT), please be sure to review the terms for
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those libraries in src/speex/COPYING and src/kissfft/COPYING as
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applicable.
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FFT libraries supported
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-----------------------
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Name Flags required Notes
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---- -------------- -----
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FFTW3 -DHAVE_FFTW GPL.
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Accelerate -DHAVE_VDSP Platform library on OS/X and iOS.
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Intel IPP -DHAVE_IPP Proprietary library, can only be used with
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Rubber Band commercial licence. Define
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USE_IPP_STATIC as well to build with static
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IPP libraries.
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KissFFT -DUSE_KISSFFT Bundled, can be used with GPL or commercial
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licence. Single-precision. Slower than the
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above options.
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Resampler libraries supported
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-----------------------------
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Name Flags required Notes
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---- -------------- -----
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libsamplerate -DHAVE_LIBSAMPLERATE GPL.
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libresample -DHAVE_LIBRESAMPLE LGPL.
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Speex -DUSE_SPEEX Bundled, can be used with GPL or commercial
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licence.
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4b. Other supported #defines
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----------------------------
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Other symbols you may define at compile time are as follows. (Usually
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the supplied build files will handle these for you.)
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-DLACK_BAD_ALLOC
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Define on systems lacking std::bad_alloc in the C++ library.
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-DLACK_POSIX_MEMALIGN
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Define on systems lacking posix_memalign.
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-DUSE_OWN_ALIGNED_MALLOC
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Define on systems lacking any aligned malloc implementation.
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-DLACK_SINCOS
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Define on systems lacking sincos().
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-DNO_EXCEPTIONS
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Build without use of C++ exceptions.
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-DNO_THREADING
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Build without any multithread support.
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-DPROCESS_SAMPLE_TYPE=float
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Select single precision for internal calculations. The default is
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double precision. Consider using for mobile architectures with
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slower double-precision support.
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-DUSE_POMMIER_MATHFUN
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Select the Julien Pommier implementations of trig functions for ARM
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NEON or x86 SSE architectures. These are usually faster but may be
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of lower precision than system implementations. Consider using this
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for mobile architectures.
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4c. GNU/POSIX systems and Makefiles
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-----------------------------------
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A GNU-style configure script is included for use on Linux and similar
|
||||
systems.
|
||||
|
||||
Run ./configure, then adjust the generated Makefile according to your
|
||||
preference for FFT and resampler implementations. The default is to
|
||||
use FFTW3 and libsamplerate.
|
||||
|
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The following Makefile targets are available:
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||||
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||||
static -- build static libraries only
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||||
dynamic -- build dynamic libraries only
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library -- build static and dynamic libraries only
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||||
program -- build the command-line tool
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vamp -- build Vamp plugin
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ladspa -- build LADSPA plugin
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all -- build everything.
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The default target is "all".
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4d. OS/X and iOS
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||||
----------------
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||||
|
||||
A Makefile for OS/X is provided as Makefile.osx.
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||||
|
||||
Adjust the Makefile according to your preference for compiler and
|
||||
platform SDK, FFT and resampler implementations. The default is to
|
||||
use the Accelerate framework and the Speex resampler.
|
||||
|
||||
The following Makefile targets are available:
|
||||
|
||||
static -- build static libraries only
|
||||
dynamic -- build dynamic libraries only
|
||||
library -- build static and dynamic libraries only
|
||||
program -- build the command-line tool
|
||||
vamp -- build Vamp plugin
|
||||
ladspa -- build LADSPA plugin
|
||||
all -- build everything.
|
||||
|
||||
The default target is to build the static and dynamic libraries and
|
||||
the command line tool. The sndfile library is required for the
|
||||
command line tool.
|
||||
|
||||
If you prefer to add the Rubber Band library files to an existing
|
||||
build project instead of using the Makefile, the files in src/ (except
|
||||
for RubberBandStretcherJNI.cpp) and the API headers in rubberband/
|
||||
should be all you need.
|
||||
|
||||
Note that you cannot legally distribute applications using Rubber Band
|
||||
through the iPhone/iPad App Store or OS/X App Store unless you have a
|
||||
valid commercial licence. GPL code is not permitted in these stores.
|
||||
|
||||
|
||||
4e. Win32 and Visual Studio
|
||||
---------------------------
|
||||
|
||||
Two Visual Studio 2005 projects are supplied.
|
||||
|
||||
rubberband-library.vcproj builds the Rubber Band static libraries
|
||||
only.
|
||||
|
||||
rubberband-program.vcproj builds the Rubber Band command-line tool
|
||||
only (requires the Rubber Band libraries, and libsndfile).
|
||||
|
||||
You will need to adjust the project settings so as to set the compile
|
||||
flags according to your preference for FFT and resampler
|
||||
implementation, and set the include path and library path
|
||||
appropriately. The default is to use the bundled KissFFT and the
|
||||
Speex resampler.
|
||||
|
||||
If you prefer to add the Rubber Band library files to an existing
|
||||
build project instead of using the supplied one, the files in src/
|
||||
(except for RubberBandStretcherJNI.cpp) and the API headers in
|
||||
rubberband/ should be all you need.
|
||||
|
||||
|
||||
4f. Android and Java
|
||||
--------------------
|
||||
|
||||
An Android NDK build file is provided as Android.mk. This includes
|
||||
compile definitions for a shared library built for ARM architectures
|
||||
which can be loaded from a Java application using the Java native
|
||||
interface (i.e. the Android NDK).
|
||||
|
||||
The Java side of the interface can be found in
|
||||
com/breakfastquay/rubberband/RubberBandStretcher.java.
|
||||
|
||||
The supplied .mk file uses KissFFT and the Speex resampler.
|
||||
|
||||
|
||||
5. Copyright notes for bundled libraries
|
||||
========================================
|
||||
|
||||
5a. Speex
|
||||
---------
|
||||
|
||||
[files in src/speex]
|
||||
|
||||
Copyright 2002-2007 Xiph.org Foundation
|
||||
Copyright 2002-2007 Jean-Marc Valin
|
||||
Copyright 2005-2007 Analog Devices Inc.
|
||||
Copyright 2005-2007 Commonwealth Scientific and Industrial Research
|
||||
Organisation (CSIRO)
|
||||
Copyright 1993, 2002, 2006 David Rowe
|
||||
Copyright 2003 EpicGames
|
||||
Copyright 1992-1994 Jutta Degener, Carsten Bormann
|
||||
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted provided that the following conditions
|
||||
are met:
|
||||
|
||||
- Redistributions of source code must retain the above copyright
|
||||
notice, this list of conditions and the following disclaimer.
|
||||
|
||||
- Redistributions in binary form must reproduce the above copyright
|
||||
notice, this list of conditions and the following disclaimer in the
|
||||
documentation and/or other materials provided with the distribution.
|
||||
|
||||
- Neither the name of the Xiph.org Foundation nor the names of its
|
||||
contributors may be used to endorse or promote products derived from
|
||||
this software without specific prior written permission.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
|
||||
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
||||
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
||||
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
||||
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
||||
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
||||
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
|
||||
5b. KissFFT
|
||||
-----------
|
||||
|
||||
[files in src/kissfft]
|
||||
|
||||
Copyright (c) 2003-2004 Mark Borgerding
|
||||
|
||||
All rights reserved.
|
||||
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted provided that the following conditions are
|
||||
met:
|
||||
|
||||
* Redistributions of source code must retain the above copyright
|
||||
notice, this list of conditions and the following disclaimer.
|
||||
* Redistributions in binary form must reproduce the above
|
||||
copyright notice, this list of conditions and the following
|
||||
disclaimer in the documentation and/or other materials provided
|
||||
with the distribution.
|
||||
* Neither the author nor the names of any contributors may be used
|
||||
to endorse or promote products derived from this software
|
||||
without specific prior written permission.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
|
||||
5c. Pommier math functions
|
||||
--------------------------
|
||||
|
||||
[files in src/pommier]
|
||||
|
||||
Copyright (C) 2011 Julien Pommier
|
||||
|
||||
This software is provided 'as-is', without any express or implied
|
||||
warranty. In no event will the authors be held liable for any damages
|
||||
arising from the use of this software.
|
||||
|
||||
Permission is granted to anyone to use this software for any purpose,
|
||||
including commercial applications, and to alter it and redistribute it
|
||||
freely, subject to the following restrictions:
|
||||
|
||||
1. The origin of this software must not be misrepresented; you must not
|
||||
claim that you wrote the original software. If you use this software
|
||||
in a product, an acknowledgment in the product documentation would be
|
||||
appreciated but is not required.
|
||||
2. Altered source versions must be plainly marked as such, and must not be
|
||||
misrepresented as being the original software.
|
||||
3. This notice may not be removed or altered from any source distribution.
|
||||
|
||||
|
||||
5d. float_cast
|
||||
--------------
|
||||
|
||||
[files in src/float_cast]
|
||||
|
||||
Copyright (C) 2001 Erik de Castro Lopo <erikd AT mega-nerd DOT com>
|
||||
|
||||
Permission to use, copy, modify, distribute, and sell this file for any
|
||||
purpose is hereby granted without fee, provided that the above copyright
|
||||
and this permission notice appear in all copies. No representations are
|
||||
made about the suitability of this software for any purpose. It is
|
||||
provided "as is" without express or implied warranty.
|
||||
|
||||
|
||||
5d. getopt
|
||||
----------
|
||||
|
||||
[files in src/getopt, used by command-line tool on some platforms]
|
||||
|
||||
Copyright (c) 2000 The NetBSD Foundation, Inc.
|
||||
All rights reserved.
|
||||
|
||||
This code is derived from software contributed to The NetBSD Foundation
|
||||
by Dieter Baron and Thomas Klausner.
|
||||
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted provided that the following conditions
|
||||
are met:
|
||||
1. Redistributions of source code must retain the above copyright
|
||||
notice, this list of conditions and the following disclaimer.
|
||||
2. Redistributions in binary form must reproduce the above copyright
|
||||
notice, this list of conditions and the following disclaimer in the
|
||||
documentation and/or other materials provided with the distribution.
|
||||
3. All advertising materials mentioning features or use of this software
|
||||
must display the following acknowledgement:
|
||||
This product includes software developed by the NetBSD
|
||||
Foundation, Inc. and its contributors.
|
||||
4. Neither the name of The NetBSD Foundation nor the names of its
|
||||
contributors may be used to endorse or promote products derived
|
||||
from this software without specific prior written permission.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
||||
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
||||
BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
Reference in New Issue
Block a user