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Update from main repo.

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* Add a more reliable transient detection mode, and make the mode
   selectable using OptionDetectorXXX flags -- the new method is
   the default
 * Band-limit transient detectors to avoid being distracted by
   inaudible garbage
 * Add a key-frame mapping facility for variable stretch ratio
   management during offline stretches
This commit is contained in:
Chris Cannam
2010-03-24 09:44:51 +00:00
parent 45a7ec1868
commit 87dc720243
53 changed files with 1287 additions and 294 deletions
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12
rubberband/rubberband-c.h
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@@ -3,7 +3,7 @@
/*
Rubber Band
An audio time-stretching and pitch-shifting library.
Copyright 2007-2009 Chris Cannam.
Copyright 2007-2010 Chris Cannam.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
@@ -19,9 +19,9 @@
extern "C" {
#endif
#define RUBBERBAND_VERSION "1.4.0-gpl"
#define RUBBERBAND_VERSION "1.5.0-gpl"
#define RUBBERBAND_API_MAJOR_VERSION 2
#define RUBBERBAND_API_MINOR_VERSION 1
#define RUBBERBAND_API_MINOR_VERSION 3
/**
* This is a C-linkage interface to the Rubber Band time stretcher.
@@ -48,6 +48,10 @@ enum RubberBandOption {
RubberBandOptionTransientsMixed = 0x00000100,
RubberBandOptionTransientsSmooth = 0x00000200,
RubberBandOptionDetectorCompound = 0x00000000,
RubberBandOptionDetectorPercussive = 0x00000400,
RubberBandOptionDetectorSoft = 0x00000800,
RubberBandOptionPhaseLaminar = 0x00000000,
RubberBandOptionPhaseIndependent = 0x00002000,
@@ -91,6 +95,7 @@ extern double rubberband_get_pitch_scale(const RubberBandState);
extern unsigned int rubberband_get_latency(const RubberBandState);
extern void rubberband_set_transients_option(RubberBandState, RubberBandOptions options);
extern void rubberband_set_detector_option(RubberBandState, RubberBandOptions options);
extern void rubberband_set_phase_option(RubberBandState, RubberBandOptions options);
extern void rubberband_set_formant_option(RubberBandState, RubberBandOptions options);
extern void rubberband_set_pitch_option(RubberBandState, RubberBandOptions options);
@@ -100,6 +105,7 @@ extern void rubberband_set_expected_input_duration(RubberBandState, unsigned int
extern unsigned int rubberband_get_samples_required(const RubberBandState);
extern void rubberband_set_max_process_size(RubberBandState, unsigned int samples);
extern void rubberband_set_key_frame_map(RubberBandState, unsigned int keyframecount, unsigned int *from, unsigned int *to);
extern void rubberband_study(RubberBandState, const float *const *input, unsigned int samples, int final);
extern void rubberband_process(RubberBandState, const float *const *input, unsigned int samples, int final);