Introduce first cut of live shifter
This commit is contained in:
Chris Cannam
582
ladspa-lv2/RubberBandLivePitchShifter.cpp
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582
ladspa-lv2/RubberBandLivePitchShifter.cpp
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@@ -0,0 +1,582 @@
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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/*
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Rubber Band Library
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An audio time-stretching and pitch-shifting library.
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Copyright 2007-2023 Particular Programs Ltd.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version. See the file
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COPYING included with this distribution for more information.
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Alternatively, if you have a valid commercial licence for the
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Rubber Band Library obtained by agreement with the copyright
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holders, you may redistribute and/or modify it under the terms
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described in that licence.
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If you wish to distribute code using the Rubber Band Library
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under terms other than those of the GNU General Public License,
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you must obtain a valid commercial licence before doing so.
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*/
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#include "RubberBandLivePitchShifter.h"
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#include "RubberBandLiveShifter.h"
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#include <iostream>
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#include <cmath>
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using namespace RubberBand;
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using std::cout;
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using std::cerr;
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using std::endl;
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using std::min;
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#ifdef RB_PLUGIN_LADSPA
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const char *const
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RubberBandLivePitchShifter::portNamesMono[PortCountMono] =
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{
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"latency",
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"Cents",
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"Semitones",
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"Octaves",
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"Formant Preserving",
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"Wet-Dry Mix",
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"Input",
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"Output"
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};
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const char *const
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RubberBandLivePitchShifter::portNamesStereo[PortCountStereo] =
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{
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"latency",
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"Cents",
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"Semitones",
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"Octaves",
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"Formant Preserving",
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"Wet-Dry Mix",
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"Input L",
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"Output L",
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"Input R",
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"Output R"
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};
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const LADSPA_PortDescriptor
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RubberBandLivePitchShifter::portsMono[PortCountMono] =
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{
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LADSPA_PORT_OUTPUT | LADSPA_PORT_CONTROL,
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LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL,
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LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL,
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LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL,
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LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL,
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LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL,
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LADSPA_PORT_INPUT | LADSPA_PORT_AUDIO,
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LADSPA_PORT_OUTPUT | LADSPA_PORT_AUDIO
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};
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const LADSPA_PortDescriptor
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RubberBandLivePitchShifter::portsStereo[PortCountStereo] =
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{
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LADSPA_PORT_OUTPUT | LADSPA_PORT_CONTROL,
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LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL,
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LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL,
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LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL,
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LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL,
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LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL,
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LADSPA_PORT_INPUT | LADSPA_PORT_AUDIO,
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LADSPA_PORT_OUTPUT | LADSPA_PORT_AUDIO,
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LADSPA_PORT_INPUT | LADSPA_PORT_AUDIO,
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LADSPA_PORT_OUTPUT | LADSPA_PORT_AUDIO
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};
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const LADSPA_PortRangeHint
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RubberBandLivePitchShifter::hintsMono[PortCountMono] =
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{
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{ 0, 0, 0 }, // latency
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{ LADSPA_HINT_DEFAULT_0 | // cents
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LADSPA_HINT_BOUNDED_BELOW |
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LADSPA_HINT_BOUNDED_ABOVE,
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-100.0, 100.0 },
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{ LADSPA_HINT_DEFAULT_0 | // semitones
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LADSPA_HINT_BOUNDED_BELOW |
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LADSPA_HINT_BOUNDED_ABOVE |
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LADSPA_HINT_INTEGER,
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-12.0, 12.0 },
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{ LADSPA_HINT_DEFAULT_0 | // octaves
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LADSPA_HINT_BOUNDED_BELOW |
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LADSPA_HINT_BOUNDED_ABOVE |
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LADSPA_HINT_INTEGER,
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-2.0, 2.0 },
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{ LADSPA_HINT_DEFAULT_0 | // formant preserving
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LADSPA_HINT_BOUNDED_BELOW |
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LADSPA_HINT_BOUNDED_ABOVE |
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LADSPA_HINT_TOGGLED,
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0.0, 1.0 },
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{ LADSPA_HINT_DEFAULT_0 | // wet-dry mix
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LADSPA_HINT_BOUNDED_BELOW |
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LADSPA_HINT_BOUNDED_ABOVE,
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0.0, 1.0 },
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{ 0, 0, 0 },
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{ 0, 0, 0 }
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};
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const LADSPA_PortRangeHint
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RubberBandLivePitchShifter::hintsStereo[PortCountStereo] =
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{
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{ 0, 0, 0 }, // latency
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{ LADSPA_HINT_DEFAULT_0 | // cents
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LADSPA_HINT_BOUNDED_BELOW |
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LADSPA_HINT_BOUNDED_ABOVE,
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-100.0, 100.0 },
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{ LADSPA_HINT_DEFAULT_0 | // semitones
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LADSPA_HINT_BOUNDED_BELOW |
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LADSPA_HINT_BOUNDED_ABOVE |
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LADSPA_HINT_INTEGER,
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-12.0, 12.0 },
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{ LADSPA_HINT_DEFAULT_0 | // octaves
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LADSPA_HINT_BOUNDED_BELOW |
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LADSPA_HINT_BOUNDED_ABOVE |
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LADSPA_HINT_INTEGER,
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-2.0, 2.0 },
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{ LADSPA_HINT_DEFAULT_0 | // formant preserving
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LADSPA_HINT_BOUNDED_BELOW |
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LADSPA_HINT_BOUNDED_ABOVE |
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LADSPA_HINT_TOGGLED,
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0.0, 1.0 },
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{ LADSPA_HINT_DEFAULT_0 | // wet-dry mix
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LADSPA_HINT_BOUNDED_BELOW |
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LADSPA_HINT_BOUNDED_ABOVE,
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0.0, 1.0 },
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{ 0, 0, 0 },
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{ 0, 0, 0 },
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{ 0, 0, 0 },
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{ 0, 0, 0 }
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};
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const LADSPA_Properties
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RubberBandLivePitchShifter::properties = LADSPA_PROPERTY_HARD_RT_CAPABLE;
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const LADSPA_Descriptor
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RubberBandLivePitchShifter::ladspaDescriptorMono =
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{
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29791, // "Unique" ID
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"rubberband-live-pitchshifter-mono", // Label
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properties,
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"Rubber Band Live Mono Pitch Shifter", // Name
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"Breakfast Quay",
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"GPL",
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PortCountMono,
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portsMono,
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portNamesMono,
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hintsMono,
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nullptr, // Implementation data
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instantiate,
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connectPort,
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activate,
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run,
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nullptr, // Run adding
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nullptr, // Set run adding gain
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deactivate,
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cleanup
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};
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const LADSPA_Descriptor
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RubberBandLivePitchShifter::ladspaDescriptorStereo =
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{
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97921, // "Unique" ID
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"rubberband-live-pitchshifter-stereo", // Label
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properties,
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"Rubber Band Live Stereo Pitch Shifter", // Name
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"Breakfast Quay",
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"GPL",
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PortCountStereo,
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portsStereo,
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portNamesStereo,
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hintsStereo,
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nullptr, // Implementation data
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instantiate,
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connectPort,
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activate,
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run,
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nullptr, // Run adding
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nullptr, // Set run adding gain
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deactivate,
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cleanup
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};
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const LADSPA_Descriptor *
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RubberBandLivePitchShifter::getDescriptor(unsigned long index)
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{
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if (index == 0) return &ladspaDescriptorMono;
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if (index == 1) return &ladspaDescriptorStereo;
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else return 0;
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}
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#else
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const LV2_Descriptor
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RubberBandLivePitchShifter::lv2DescriptorMono =
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{
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"http://breakfastquay.com/rdf/lv2-rubberband-live#mono",
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instantiate,
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connectPort,
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activate,
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run,
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deactivate,
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cleanup,
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nullptr
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};
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const LV2_Descriptor
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RubberBandLivePitchShifter::lv2DescriptorStereo =
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{
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"http://breakfastquay.com/rdf/lv2-rubberband-live#stereo",
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instantiate,
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connectPort,
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activate,
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run,
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deactivate,
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cleanup,
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nullptr
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};
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const LV2_Descriptor *
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RubberBandLivePitchShifter::getDescriptor(uint32_t index)
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{
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if (index == 0) return &lv2DescriptorMono;
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if (index == 1) return &lv2DescriptorStereo;
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else return 0;
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}
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#endif
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RubberBandLivePitchShifter::RubberBandLivePitchShifter(int sampleRate, size_t channels) :
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m_latency(nullptr),
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m_cents(nullptr),
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m_semitones(nullptr),
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m_octaves(nullptr),
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m_formant(nullptr),
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m_wetDry(nullptr),
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m_ratio(1.0),
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m_prevRatio(1.0),
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m_currentFormant(false),
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m_shifter(new RubberBandLiveShifter
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(sampleRate, channels,
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RubberBandLiveShifter::OptionWindowLong |
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RubberBandLiveShifter::OptionPitchModeB |
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RubberBandLiveShifter::OptionChannelsTogether)),
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m_sampleRate(sampleRate),
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m_channels(channels),
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m_blockSize(0),
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m_bufferSize(65536),
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m_delay(0)
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{
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m_input = new float *[m_channels];
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m_output = new float *[m_channels];
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m_irb = new RingBuffer<float> *[m_channels];
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m_orb = new RingBuffer<float> *[m_channels];
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m_ib = new float *[m_channels];
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m_ob = new float *[m_channels];
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m_delayMixBuffer = new RingBuffer<float> *[m_channels];
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m_blockSize = m_shifter->getBlockSize();
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m_delay = m_shifter->getStartDelay();
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for (int c = 0; c < m_channels; ++c) {
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m_irb[c] = new RingBuffer<float>(m_bufferSize);
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m_orb[c] = new RingBuffer<float>(m_bufferSize);
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m_irb[c]->zero(m_blockSize);
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m_ib[c] = new float[m_blockSize];
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m_ob[c] = new float[m_blockSize];
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m_delayMixBuffer[c] = new RingBuffer<float>(m_bufferSize + m_delay);
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m_irb[c]->zero(m_delay);
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}
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activateImpl();
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}
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RubberBandLivePitchShifter::~RubberBandLivePitchShifter()
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{
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delete m_shifter;
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for (int c = 0; c < m_channels; ++c) {
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delete m_irb[c];
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delete m_orb[c];
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delete[] m_ib[c];
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delete[] m_ob[c];
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delete m_delayMixBuffer[c];
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}
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delete[] m_irb;
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delete[] m_orb;
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delete[] m_ib;
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delete[] m_ob;
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delete[] m_delayMixBuffer;
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delete[] m_output;
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delete[] m_input;
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}
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#ifdef RB_PLUGIN_LADSPA
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LADSPA_Handle
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RubberBandLivePitchShifter::instantiate(const LADSPA_Descriptor *desc, unsigned long rate)
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{
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if (desc->PortCount == ladspaDescriptorMono.PortCount) {
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return new RubberBandLivePitchShifter(rate, 1);
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} else if (desc->PortCount == ladspaDescriptorStereo.PortCount) {
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return new RubberBandLivePitchShifter(rate, 2);
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}
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return nullptr;
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}
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#else
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LV2_Handle
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RubberBandLivePitchShifter::instantiate(const LV2_Descriptor *desc, double rate,
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const char *, const LV2_Feature *const *)
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{
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if (rate < 1.0) {
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std::cerr << "RubberBandLivePitchShifter::instantiate: invalid sample rate "
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<< rate << " provided" << std::endl;
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return nullptr;
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}
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size_t srate = size_t(round(rate));
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if (std::string(desc->URI) == lv2DescriptorMono.URI) {
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return new RubberBandLivePitchShifter(srate, 1);
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} else if (std::string(desc->URI) == lv2DescriptorStereo.URI) {
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return new RubberBandLivePitchShifter(srate, 2);
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} else {
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std::cerr << "RubberBandLivePitchShifter::instantiate: unrecognised URI "
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<< desc->URI << " requested" << std::endl;
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return nullptr;
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}
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}
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#endif
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#ifdef RB_PLUGIN_LADSPA
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void
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RubberBandLivePitchShifter::connectPort(LADSPA_Handle handle,
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unsigned long port, LADSPA_Data *location)
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#else
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void
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RubberBandLivePitchShifter::connectPort(LV2_Handle handle,
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uint32_t port, void *location)
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#endif
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{
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RubberBandLivePitchShifter *shifter = (RubberBandLivePitchShifter *)handle;
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float **ports[PortCountStereo] = {
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||||
&shifter->m_latency,
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&shifter->m_cents,
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||||
&shifter->m_semitones,
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&shifter->m_octaves,
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&shifter->m_formant,
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&shifter->m_wetDry,
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&shifter->m_input[0],
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&shifter->m_output[0],
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||||
&shifter->m_input[1],
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&shifter->m_output[1]
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};
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||||
if (shifter->m_channels == 1) {
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if (port >= PortCountMono) return;
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||||
} else {
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||||
if (port >= PortCountStereo) return;
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||||
}
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||||
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||||
*ports[port] = (float *)location;
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||||
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||||
if (shifter->m_latency) {
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||||
*(shifter->m_latency) = shifter->getLatency();
|
||||
}
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||||
}
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||||
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||||
#ifdef RB_PLUGIN_LADSPA
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||||
void
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||||
RubberBandLivePitchShifter::activate(LADSPA_Handle handle)
|
||||
#else
|
||||
void
|
||||
RubberBandLivePitchShifter::activate(LV2_Handle handle)
|
||||
#endif
|
||||
{
|
||||
RubberBandLivePitchShifter *shifter = (RubberBandLivePitchShifter *)handle;
|
||||
shifter->activateImpl();
|
||||
}
|
||||
|
||||
#ifdef RB_PLUGIN_LADSPA
|
||||
void
|
||||
RubberBandLivePitchShifter::run(LADSPA_Handle handle, unsigned long samples)
|
||||
#else
|
||||
void
|
||||
RubberBandLivePitchShifter::run(LV2_Handle handle, uint32_t samples)
|
||||
#endif
|
||||
{
|
||||
RubberBandLivePitchShifter *shifter = (RubberBandLivePitchShifter *)handle;
|
||||
shifter->runImpl(samples);
|
||||
}
|
||||
|
||||
#ifdef RB_PLUGIN_LADSPA
|
||||
void
|
||||
RubberBandLivePitchShifter::deactivate(LADSPA_Handle handle)
|
||||
#else
|
||||
void
|
||||
RubberBandLivePitchShifter::deactivate(LV2_Handle handle)
|
||||
#endif
|
||||
{
|
||||
activate(handle); // both functions just reset the plugin
|
||||
}
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||||
|
||||
#ifdef RB_PLUGIN_LADSPA
|
||||
void
|
||||
RubberBandLivePitchShifter::cleanup(LADSPA_Handle handle)
|
||||
#else
|
||||
void
|
||||
RubberBandLivePitchShifter::cleanup(LV2_Handle handle)
|
||||
#endif
|
||||
{
|
||||
delete (RubberBandLivePitchShifter *)handle;
|
||||
}
|
||||
|
||||
void
|
||||
RubberBandLivePitchShifter::activateImpl()
|
||||
{
|
||||
updateRatio();
|
||||
m_prevRatio = m_ratio;
|
||||
m_shifter->reset();
|
||||
m_shifter->setPitchScale(m_ratio);
|
||||
|
||||
for (int c = 0; c < m_channels; ++c) {
|
||||
m_irb[c]->reset();
|
||||
m_irb[c]->zero(m_blockSize);
|
||||
m_orb[c]->reset();
|
||||
m_delayMixBuffer[c]->reset();
|
||||
m_delayMixBuffer[c]->zero(m_delay);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
RubberBandLivePitchShifter::updateRatio()
|
||||
{
|
||||
// The octaves, semitones, and cents parameters are supposed to be
|
||||
// integral: we want to enforce that, just to avoid
|
||||
// inconsistencies between hosts if some respect the hints more
|
||||
// than others
|
||||
|
||||
#ifdef RB_PLUGIN_LADSPA
|
||||
|
||||
// But we don't want to change the long-standing behaviour of the
|
||||
// LADSPA plugin, so let's leave this as-is and only do "the right
|
||||
// thing" for LV2
|
||||
double oct = (m_octaves ? *m_octaves : 0.0);
|
||||
oct += (m_semitones ? *m_semitones : 0.0) / 12;
|
||||
oct += (m_cents ? *m_cents : 0.0) / 1200;
|
||||
m_ratio = pow(2.0, oct);
|
||||
|
||||
#else
|
||||
|
||||
// LV2
|
||||
|
||||
double octaves = round(m_octaves ? *m_octaves : 0.0);
|
||||
if (octaves < -2.0) octaves = -2.0;
|
||||
if (octaves > 2.0) octaves = 2.0;
|
||||
|
||||
double semitones = round(m_semitones ? *m_semitones : 0.0);
|
||||
if (semitones < -12.0) semitones = -12.0;
|
||||
if (semitones > 12.0) semitones = 12.0;
|
||||
|
||||
double cents = round(m_cents ? *m_cents : 0.0);
|
||||
if (cents < -100.0) cents = -100.0;
|
||||
if (cents > 100.0) cents = 100.0;
|
||||
|
||||
m_ratio = pow(2.0,
|
||||
octaves +
|
||||
semitones / 12.0 +
|
||||
cents / 1200.0);
|
||||
#endif
|
||||
}
|
||||
|
||||
void
|
||||
RubberBandLivePitchShifter::updateFormant()
|
||||
{
|
||||
if (!m_formant) return;
|
||||
|
||||
bool f = (*m_formant > 0.5f);
|
||||
if (f == m_currentFormant) return;
|
||||
|
||||
RubberBandLiveShifter *s = m_shifter;
|
||||
|
||||
s->setFormantOption(f ?
|
||||
RubberBandLiveShifter::OptionFormantPreserved :
|
||||
RubberBandLiveShifter::OptionFormantShifted);
|
||||
|
||||
m_currentFormant = f;
|
||||
}
|
||||
|
||||
int
|
||||
RubberBandLivePitchShifter::getLatency() const
|
||||
{
|
||||
return m_shifter->getStartDelay() + m_blockSize;
|
||||
}
|
||||
|
||||
void
|
||||
RubberBandLivePitchShifter::runImpl(uint32_t insamples)
|
||||
{
|
||||
updateRatio();
|
||||
if (m_ratio != m_prevRatio) {
|
||||
m_shifter->setPitchScale(m_ratio);
|
||||
m_prevRatio = m_ratio;
|
||||
}
|
||||
|
||||
updateFormant();
|
||||
|
||||
if (m_latency) {
|
||||
*m_latency = getLatency();
|
||||
}
|
||||
|
||||
for (int c = 0; c < m_channels; ++c) {
|
||||
m_irb[c]->write(m_input[c], insamples);
|
||||
m_delayMixBuffer[c]->write(m_input[c], insamples);
|
||||
}
|
||||
|
||||
while (m_irb[0]->getReadSpace() >= m_blockSize) {
|
||||
|
||||
for (int c = 0; c < m_channels; ++c) {
|
||||
m_irb[c]->read(m_ib[c], m_blockSize);
|
||||
}
|
||||
|
||||
m_shifter->shift(m_ib, m_ob);
|
||||
|
||||
for (int c = 0; c < m_channels; ++c) {
|
||||
m_orb[c]->write(m_ob[c], m_blockSize);
|
||||
}
|
||||
}
|
||||
|
||||
for (int c = 0; c < m_channels; ++c) {
|
||||
m_orb[c]->read(m_output[c], insamples);
|
||||
}
|
||||
|
||||
float mix = 0.0;
|
||||
if (m_wetDry) mix = *m_wetDry;
|
||||
|
||||
for (int c = 0; c < m_channels; ++c) {
|
||||
if (mix > 0.0) {
|
||||
for (uint32_t i = 0; i < insamples; ++i) {
|
||||
float dry = m_delayMixBuffer[c]->readOne();
|
||||
m_output[c][i] *= (1.0 - mix);
|
||||
m_output[c][i] += dry * mix;
|
||||
}
|
||||
} else {
|
||||
m_delayMixBuffer[c]->skip(insamples);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
148
ladspa-lv2/RubberBandLivePitchShifter.h
Normal file
148
ladspa-lv2/RubberBandLivePitchShifter.h
Normal file
@@ -0,0 +1,148 @@
|
||||
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
|
||||
|
||||
/*
|
||||
Rubber Band Library
|
||||
An audio time-stretching and pitch-shifting library.
|
||||
Copyright 2007-2023 Particular Programs Ltd.
|
||||
|
||||
This program is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU General Public License as
|
||||
published by the Free Software Foundation; either version 2 of the
|
||||
License, or (at your option) any later version. See the file
|
||||
COPYING included with this distribution for more information.
|
||||
|
||||
Alternatively, if you have a valid commercial licence for the
|
||||
Rubber Band Library obtained by agreement with the copyright
|
||||
holders, you may redistribute and/or modify it under the terms
|
||||
described in that licence.
|
||||
|
||||
If you wish to distribute code using the Rubber Band Library
|
||||
under terms other than those of the GNU General Public License,
|
||||
you must obtain a valid commercial licence before doing so.
|
||||
*/
|
||||
|
||||
#ifndef RUBBER_BAND_LIVE_SHIFTER_H
|
||||
#define RUBBER_BAND_LIVE_SHIFTER_H
|
||||
|
||||
#ifdef RB_PLUGIN_LADSPA
|
||||
#ifdef RB_PLUGIN_LV2
|
||||
#error "Only one of RB_PLUGIN_LADSPA and RB_PLUGIN_LV2 may be defined at once"
|
||||
#endif
|
||||
#else
|
||||
#ifndef RB_PLUGIN_LV2
|
||||
#error "Including code must define either RB_PLUGIN_LADSPA or RB_PLUGIN_LV2"
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#ifdef RB_PLUGIN_LADSPA
|
||||
#include <ladspa.h>
|
||||
#else
|
||||
#include <lv2.h>
|
||||
#endif
|
||||
|
||||
#include "common/RingBuffer.h"
|
||||
|
||||
namespace RubberBand {
|
||||
class RubberBandLiveShifter;
|
||||
}
|
||||
|
||||
class RubberBandLivePitchShifter
|
||||
{
|
||||
public:
|
||||
#ifdef RB_PLUGIN_LADSPA
|
||||
static const LADSPA_Descriptor *getDescriptor(unsigned long index);
|
||||
#else
|
||||
static const LV2_Descriptor *getDescriptor(uint32_t index);
|
||||
#endif
|
||||
|
||||
protected:
|
||||
RubberBandLivePitchShifter(int sampleRate, size_t channels);
|
||||
~RubberBandLivePitchShifter();
|
||||
|
||||
enum {
|
||||
LatencyPort = 0,
|
||||
CentsPort = 1,
|
||||
SemitonesPort = 2,
|
||||
OctavesPort = 3,
|
||||
FormantPort = 4,
|
||||
WetDryPort = 5,
|
||||
InputPort1 = 6,
|
||||
OutputPort1 = 7,
|
||||
PortCountMono = OutputPort1 + 1,
|
||||
InputPort2 = 8,
|
||||
OutputPort2 = 9,
|
||||
PortCountStereo = OutputPort2 + 1
|
||||
};
|
||||
|
||||
#ifdef RB_PLUGIN_LADSPA
|
||||
static const char *const portNamesMono[PortCountMono];
|
||||
static const LADSPA_PortDescriptor portsMono[PortCountMono];
|
||||
static const LADSPA_PortRangeHint hintsMono[PortCountMono];
|
||||
|
||||
static const char *const portNamesStereo[PortCountStereo];
|
||||
static const LADSPA_PortDescriptor portsStereo[PortCountStereo];
|
||||
static const LADSPA_PortRangeHint hintsStereo[PortCountStereo];
|
||||
|
||||
static const LADSPA_Properties properties;
|
||||
|
||||
static const LADSPA_Descriptor ladspaDescriptorMono;
|
||||
static const LADSPA_Descriptor ladspaDescriptorStereo;
|
||||
|
||||
static LADSPA_Handle instantiate(const LADSPA_Descriptor *, unsigned long);
|
||||
static void connectPort(LADSPA_Handle, unsigned long, LADSPA_Data *);
|
||||
static void activate(LADSPA_Handle);
|
||||
static void run(LADSPA_Handle, unsigned long);
|
||||
static void deactivate(LADSPA_Handle);
|
||||
static void cleanup(LADSPA_Handle);
|
||||
|
||||
#else
|
||||
|
||||
static const LV2_Descriptor lv2DescriptorMono;
|
||||
static const LV2_Descriptor lv2DescriptorStereo;
|
||||
|
||||
static LV2_Handle instantiate(const LV2_Descriptor *, double,
|
||||
const char *, const LV2_Feature *const *);
|
||||
static void connectPort(LV2_Handle, uint32_t, void *);
|
||||
static void activate(LV2_Handle);
|
||||
static void run(LV2_Handle, uint32_t);
|
||||
static void deactivate(LV2_Handle);
|
||||
static void cleanup(LV2_Handle);
|
||||
|
||||
#endif
|
||||
|
||||
void activateImpl();
|
||||
void runImpl(uint32_t count);
|
||||
void process();
|
||||
void updateRatio();
|
||||
void updateFormant();
|
||||
|
||||
float **m_input;
|
||||
float **m_output;
|
||||
float *m_latency;
|
||||
float *m_cents;
|
||||
float *m_semitones;
|
||||
float *m_octaves;
|
||||
float *m_formant;
|
||||
float *m_wetDry;
|
||||
double m_ratio;
|
||||
double m_prevRatio;
|
||||
bool m_currentFormant;
|
||||
|
||||
RubberBand::RubberBandLiveShifter *m_shifter;
|
||||
RubberBand::RingBuffer<float> **m_irb;
|
||||
RubberBand::RingBuffer<float> **m_orb;
|
||||
float **m_ib;
|
||||
float **m_ob;
|
||||
RubberBand::RingBuffer<float> **m_delayMixBuffer;
|
||||
|
||||
int m_sampleRate;
|
||||
int m_channels;
|
||||
int m_blockSize;
|
||||
int m_bufferSize;
|
||||
int m_delay;
|
||||
|
||||
int getLatency() const;
|
||||
};
|
||||
|
||||
|
||||
#endif
|
||||
@@ -2,3 +2,5 @@ ladspa:ladspa-rubberband:rubberband-pitchshifter-mono::Frequency > Pitch shifter
|
||||
ladspa:ladspa-rubberband:rubberband-pitchshifter-stereo::Frequency > Pitch shifters
|
||||
ladspa:ladspa-rubberband:rubberband-r3-pitchshifter-mono::Frequency > Pitch shifters
|
||||
ladspa:ladspa-rubberband:rubberband-r3-pitchshifter-stereo::Frequency > Pitch shifters
|
||||
ladspa:ladspa-rubberband:rubberband-live-pitchshifter-mono::Frequency > Pitch shifters
|
||||
ladspa:ladspa-rubberband:rubberband-live-pitchshifter-stereo::Frequency > Pitch shifters
|
||||
|
||||
@@ -9,6 +9,10 @@
|
||||
|
||||
<ladspa:PitchPlugin rdf:about="&ladspa;2979"/>
|
||||
<ladspa:PitchPlugin rdf:about="&ladspa;9792"/>
|
||||
<ladspa:PitchPlugin rdf:about="&ladspa;29790"/>
|
||||
<ladspa:PitchPlugin rdf:about="&ladspa;97920"/>
|
||||
<ladspa:PitchPlugin rdf:about="&ladspa;29791"/>
|
||||
<ladspa:PitchPlugin rdf:about="&ladspa;97921"/>
|
||||
|
||||
</rdf:RDF>
|
||||
|
||||
|
||||
@@ -25,6 +25,7 @@
|
||||
#undef RB_PLUGIN_LV2
|
||||
#include "RubberBandPitchShifter.cpp"
|
||||
#include "RubberBandR3PitchShifter.cpp"
|
||||
#include "RubberBandLivePitchShifter.cpp"
|
||||
|
||||
#include <stdio.h>
|
||||
|
||||
@@ -34,8 +35,10 @@ const LADSPA_Descriptor *ladspa_descriptor(unsigned long index)
|
||||
{
|
||||
if (index < 2) {
|
||||
return RubberBandPitchShifter::getDescriptor(index);
|
||||
} else {
|
||||
} else if (index < 4) {
|
||||
return RubberBandR3PitchShifter::getDescriptor(index - 2);
|
||||
} else {
|
||||
return RubberBandLivePitchShifter::getDescriptor(index - 4);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@@ -25,6 +25,7 @@
|
||||
#undef RB_PLUGIN_LADSPA
|
||||
#include "RubberBandPitchShifter.cpp"
|
||||
#include "RubberBandR3PitchShifter.cpp"
|
||||
#include "RubberBandLivePitchShifter.cpp"
|
||||
|
||||
#include <stdio.h>
|
||||
|
||||
@@ -35,8 +36,10 @@ const LV2_Descriptor *lv2_descriptor(uint32_t index)
|
||||
{
|
||||
if (index < 2) {
|
||||
return RubberBandPitchShifter::getDescriptor(index);
|
||||
} else {
|
||||
} else if (index < 4) {
|
||||
return RubberBandR3PitchShifter::getDescriptor(index - 2);
|
||||
} else {
|
||||
return RubberBandLivePitchShifter::getDescriptor(index - 4);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@@ -201,6 +201,43 @@ rubberband:r3mono
|
||||
lv2:designation pg:center ;
|
||||
] .
|
||||
|
||||
rubberband:livemono
|
||||
a doap:Project, lv2:Plugin, lv2:PitchPlugin ;
|
||||
doap:name "Rubber Band Live Mono Pitch Shifter" ;
|
||||
doap:license <http://usefulinc.com/doap/licenses/gpl> ;
|
||||
foaf:maker :maker ;
|
||||
doap:developer :maker ;
|
||||
doap:maintainer :maker ;
|
||||
# Minor version will be 2x the Rubber Band API minor version
|
||||
lv2:minorVersion 4 ;
|
||||
lv2:microVersion 1 ;
|
||||
lv2:optionalFeature lv2:hardRTCapable ;
|
||||
pg:mainInput rubberband:mono_in_group ;
|
||||
pg:mainOutput rubberband:mono_out_group ;
|
||||
dc:replaces <urn:ladspa:29791> ;
|
||||
lv2:port :latencyPort ,
|
||||
:centsPort ,
|
||||
:semitonesPort ,
|
||||
:octavesPort ,
|
||||
:formantPortR3 ,
|
||||
:wetDryPortR3 ,
|
||||
[ a lv2:AudioPort, lv2:InputPort ;
|
||||
lv2:index 6 ;
|
||||
lv2:symbol "input" ;
|
||||
lv2:name "Input" ;
|
||||
lv2:shortName "Input" ;
|
||||
pg:group rubberband:mono_in_group ;
|
||||
lv2:designation pg:center ;
|
||||
], [
|
||||
a lv2:AudioPort, lv2:OutputPort ;
|
||||
lv2:index 7 ;
|
||||
lv2:symbol "output" ;
|
||||
lv2:name "Output" ;
|
||||
lv2:shortName "Output" ;
|
||||
pg:group rubberband:mono_out_group ;
|
||||
lv2:designation pg:center ;
|
||||
] .
|
||||
|
||||
rubberband:stereo
|
||||
a doap:Project, lv2:Plugin, lv2:PitchPlugin ;
|
||||
doap:name "Rubber Band Stereo Pitch Shifter" ;
|
||||
@@ -306,3 +343,55 @@ rubberband:r3stereo
|
||||
lv2:designation pg:right ;
|
||||
] .
|
||||
|
||||
rubberband:livestereo
|
||||
a doap:Project, lv2:Plugin, lv2:PitchPlugin ;
|
||||
doap:name "Rubber Band Live Stereo Pitch Shifter" ;
|
||||
doap:license <http://usefulinc.com/doap/licenses/gpl> ;
|
||||
foaf:maker :maker ;
|
||||
doap:developer :maker ;
|
||||
doap:maintainer :maker ;
|
||||
# Minor version will be 2x the Rubber Band API minor version
|
||||
lv2:minorVersion 4 ;
|
||||
lv2:microVersion 1 ;
|
||||
lv2:optionalFeature lv2:hardRTCapable ;
|
||||
pg:mainInput rubberband:stereo_in_group ;
|
||||
pg:mainOutput rubberband:stereo_out_group ;
|
||||
dc:replaces <urn:ladspa:97921> ;
|
||||
lv2:port :latencyPort ,
|
||||
:centsPort ,
|
||||
:semitonesPort ,
|
||||
:octavesPort ,
|
||||
:formantPortR3 ,
|
||||
:wetDryPortR3 ,
|
||||
[ a lv2:AudioPort, lv2:InputPort ;
|
||||
lv2:index 6 ;
|
||||
lv2:symbol "input_l" ;
|
||||
lv2:name "Input L" ;
|
||||
lv2:shortName "Input L" ;
|
||||
pg:group rubberband:stereo_in_group ;
|
||||
lv2:designation pg:left ;
|
||||
], [
|
||||
a lv2:AudioPort, lv2:OutputPort ;
|
||||
lv2:index 7 ;
|
||||
lv2:symbol "output_l" ;
|
||||
lv2:name "Output L" ;
|
||||
lv2:shortName "Output L" ;
|
||||
pg:group rubberband:stereo_out_group ;
|
||||
lv2:designation pg:left ;
|
||||
], [ a lv2:AudioPort, lv2:InputPort ;
|
||||
lv2:index 8 ;
|
||||
lv2:symbol "input_r" ;
|
||||
lv2:name "Input R" ;
|
||||
lv2:shortName "Input R" ;
|
||||
pg:group rubberband:stereo_in_group ;
|
||||
lv2:designation pg:right ;
|
||||
], [
|
||||
a lv2:AudioPort, lv2:OutputPort ;
|
||||
lv2:index 9 ;
|
||||
lv2:symbol "output_r" ;
|
||||
lv2:name "Output R" ;
|
||||
lv2:shortName "Output R" ;
|
||||
pg:group rubberband:stereo_out_group ;
|
||||
lv2:designation pg:right ;
|
||||
] .
|
||||
|
||||
|
||||
@@ -12,6 +12,11 @@ rubberband:r3mono
|
||||
lv2:binary <lv2-rubberband.so> ;
|
||||
rdfs:seeAlso <lv2-rubberband.ttl> .
|
||||
|
||||
rubberband:livemono
|
||||
a lv2:Plugin ;
|
||||
lv2:binary <lv2-rubberband.so> ;
|
||||
rdfs:seeAlso <lv2-rubberband.ttl> .
|
||||
|
||||
rubberband:stereo
|
||||
a lv2:Plugin ;
|
||||
lv2:binary <lv2-rubberband.so> ;
|
||||
@@ -22,3 +27,8 @@ rubberband:r3stereo
|
||||
lv2:binary <lv2-rubberband.so> ;
|
||||
rdfs:seeAlso <lv2-rubberband.ttl> .
|
||||
|
||||
rubberband:livestereo
|
||||
a lv2:Plugin ;
|
||||
lv2:binary <lv2-rubberband.so> ;
|
||||
rdfs:seeAlso <lv2-rubberband.ttl> .
|
||||
|
||||
|
||||
@@ -29,11 +29,13 @@ pkg = import('pkgconfig')
|
||||
public_headers = [
|
||||
'rubberband/rubberband-c.h',
|
||||
'rubberband/RubberBandStretcher.h',
|
||||
'rubberband/RubberBandLiveShifter.h',
|
||||
]
|
||||
|
||||
library_sources = [
|
||||
'src/rubberband-c.cpp',
|
||||
'src/RubberBandStretcher.cpp',
|
||||
'src/RubberBandLiveShifter.cpp',
|
||||
'src/faster/AudioCurveCalculator.cpp',
|
||||
'src/faster/CompoundAudioCurve.cpp',
|
||||
'src/faster/HighFrequencyAudioCurve.cpp',
|
||||
@@ -52,6 +54,7 @@ library_sources = [
|
||||
'src/common/mathmisc.cpp',
|
||||
'src/common/Thread.cpp',
|
||||
'src/finer/R3Stretcher.cpp',
|
||||
'src/finer/R3LiveShifter.cpp',
|
||||
]
|
||||
|
||||
jni_sources = [
|
||||
@@ -89,6 +92,7 @@ lv2_sources = [
|
||||
unit_test_sources = [
|
||||
'src/test/TestAllocators.cpp',
|
||||
'src/test/TestFFT.cpp',
|
||||
'src/test/TestLiveShifter.cpp',
|
||||
'src/test/TestResampler.cpp',
|
||||
'src/test/TestVectorOpsComplex.cpp',
|
||||
'src/test/TestVectorOps.cpp',
|
||||
|
||||
310
rubberband/RubberBandLiveShifter.h
Normal file
310
rubberband/RubberBandLiveShifter.h
Normal file
@@ -0,0 +1,310 @@
|
||||
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
|
||||
|
||||
/*
|
||||
Rubber Band Library
|
||||
An audio time-stretching and pitch-shifting library.
|
||||
Copyright 2007-2023 Particular Programs Ltd.
|
||||
|
||||
This program is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU General Public License as
|
||||
published by the Free Software Foundation; either version 2 of the
|
||||
License, or (at your option) any later version. See the file
|
||||
COPYING included with this distribution for more information.
|
||||
|
||||
Alternatively, if you have a valid commercial licence for the
|
||||
Rubber Band Live Pitch Shifter obtained by agreement with the
|
||||
copyright holders, you may redistribute and/or modify it under the
|
||||
terms described in that licence.
|
||||
|
||||
If you wish to distribute code using Rubber Band Live under terms
|
||||
other than those of the GNU General Public License, you must
|
||||
obtain a valid commercial licence before doing so.
|
||||
*/
|
||||
|
||||
#ifndef RUBBERBAND_LIVE_SHIFTER_H
|
||||
#define RUBBERBAND_LIVE_SHIFTER_H
|
||||
|
||||
#define RUBBERBAND_LIVE_VERSION "0.0.1"
|
||||
#define RUBBERBAND_LIVE_API_MAJOR_VERSION 0
|
||||
#define RUBBERBAND_LIVE_API_MINOR_VERSION 0
|
||||
|
||||
#undef RUBBERBAND_LIVE_DLLEXPORT
|
||||
#ifdef _MSC_VER
|
||||
#define RUBBERBAND_LIVE_DLLEXPORT __declspec(dllexport)
|
||||
#else
|
||||
#define RUBBERBAND_LIVE_DLLEXPORT
|
||||
#endif
|
||||
|
||||
#include <vector>
|
||||
#include <map>
|
||||
#include <string>
|
||||
#include <memory>
|
||||
#include <cstddef>
|
||||
|
||||
namespace RubberBand
|
||||
{
|
||||
|
||||
/**
|
||||
* @mainpage RubberBandLiveShifter
|
||||
*/
|
||||
class RUBBERBAND_LIVE_DLLEXPORT
|
||||
RubberBandLiveShifter
|
||||
{
|
||||
public:
|
||||
enum Option {
|
||||
OptionWindowShort = 0x00000000,
|
||||
OptionWindowMedium = 0x00100000,
|
||||
OptionWindowLong = 0x00200000,
|
||||
|
||||
OptionFormantShifted = 0x00000000,
|
||||
OptionFormantPreserved = 0x01000000,
|
||||
|
||||
OptionPitchModeA = 0x00000000,
|
||||
OptionPitchModeB = 0x02000000,
|
||||
|
||||
OptionChannelsApart = 0x00000000,
|
||||
OptionChannelsTogether = 0x10000000,
|
||||
|
||||
// n.b. Options is int, so we must stop before 0x80000000
|
||||
};
|
||||
|
||||
/**
|
||||
* A bitwise OR of values from the RubberBandLiveShifter::Option
|
||||
* enum.
|
||||
*/
|
||||
typedef int Options;
|
||||
|
||||
enum PresetOption {
|
||||
DefaultOptions = 0x00000000
|
||||
};
|
||||
|
||||
/**
|
||||
* Interface for log callbacks that may optionally be provided to
|
||||
* the shifter on construction.
|
||||
*
|
||||
* If a Logger is provided, the shifter will call one of these
|
||||
* functions instead of sending output to \c cerr when there is
|
||||
* something to report. This allows debug output to be diverted to
|
||||
* an application's logging facilities, and/or handled in an
|
||||
* RT-safe way. See setDebugLevel() for details about how and when
|
||||
* RubberBandLiveShifter reports something in this way.
|
||||
*
|
||||
* The message text passed to each of these log functions is a
|
||||
* C-style string with no particular guaranteed lifespan. If you
|
||||
* need to retain it, copy it before returning. Do not free it.
|
||||
*
|
||||
* @see setDebugLevel
|
||||
* @see setDefaultDebugLevel
|
||||
*/
|
||||
struct Logger {
|
||||
/// Receive a log message with no numeric values.
|
||||
virtual void log(const char *) = 0;
|
||||
|
||||
/// Receive a log message and one accompanying numeric value.
|
||||
virtual void log(const char *, double) = 0;
|
||||
|
||||
/// Receive a log message and two accompanying numeric values.
|
||||
virtual void log(const char *, double, double) = 0;
|
||||
|
||||
virtual ~Logger() { }
|
||||
};
|
||||
|
||||
/**
|
||||
* Construct a pitch shifter object to run at the given sample
|
||||
* rate, with the given number of channels.
|
||||
*/
|
||||
RubberBandLiveShifter(size_t sampleRate, size_t channels,
|
||||
Options options);
|
||||
|
||||
/**
|
||||
* Construct a pitch shifter object with a custom debug
|
||||
* logger. This may be useful for debugging if the default logger
|
||||
* output (which simply goes to \c cerr) is not visible in the
|
||||
* runtime environment, or if the application has a standard or
|
||||
* more realtime-appropriate logging mechanism.
|
||||
*
|
||||
* See the documentation for the other constructor above for
|
||||
* details of the arguments other than the logger.
|
||||
*
|
||||
* Note that although the supplied logger gets to decide what to
|
||||
* do with log messages, the separately-set debug level (see
|
||||
* setDebugLevel() and setDefaultDebugLevel()) still determines
|
||||
* whether any given debug message is sent to the logger in the
|
||||
* first place.
|
||||
*/
|
||||
RubberBandLiveShifter(size_t sampleRate, size_t channels,
|
||||
std::shared_ptr<Logger> logger,
|
||||
Options options);
|
||||
|
||||
~RubberBandLiveShifter();
|
||||
|
||||
/**
|
||||
* Reset the shifter's internal buffers. The shifter should
|
||||
* subsequently behave as if it had just been constructed
|
||||
* (although retaining the current pitch ratio).
|
||||
*/
|
||||
void reset();
|
||||
|
||||
/**
|
||||
* Set the pitch scaling ratio for the shifter. This is the ratio
|
||||
* of target frequency to source frequency. For example, a ratio
|
||||
* of 2.0 would shift up by one octave; 0.5 down by one octave; or
|
||||
* 1.0 leave the pitch unaffected.
|
||||
*
|
||||
* To put this in musical terms, a pitch scaling ratio
|
||||
* corresponding to a shift of S equal-tempered semitones (where S
|
||||
* is positive for an upwards shift and negative for downwards) is
|
||||
* pow(2.0, S / 12.0).
|
||||
*
|
||||
* This function may be called at any time, so long as it is not
|
||||
* called concurrently with process(). You should either call
|
||||
* this function from the same thread as process(), or provide
|
||||
* your own mutex or similar mechanism to ensure that
|
||||
* setPitchScale and process() cannot be run at once (there is no
|
||||
* internal mutex for this purpose).
|
||||
*/
|
||||
void setPitchScale(double scale);
|
||||
|
||||
/**
|
||||
* Set a pitch scale for the vocal formant envelope separately
|
||||
* from the overall pitch scale. This is a ratio of target
|
||||
* frequency to source frequency. For example, a ratio of 2.0
|
||||
* would shift the formant envelope up by one octave; 0.5 down by
|
||||
* one octave; or 1.0 leave the formant unaffected.
|
||||
*
|
||||
* By default this is set to the special value of 0.0, which
|
||||
* causes the scale to be calculated automatically. It will be
|
||||
* treated as 1.0 / the pitch scale if OptionFormantPreserved is
|
||||
* specified, or 1.0 for OptionFormantShifted.
|
||||
*
|
||||
* Conversely, if this is set to a value other than the default
|
||||
* 0.0, formant shifting will happen regardless of the state of
|
||||
* the OptionFormantPreserved/OptionFormantShifted option.
|
||||
*
|
||||
* This function is provided for special effects only. You do not
|
||||
* need to call it for ordinary pitch shifting, with or without
|
||||
* formant preservation - just specify or omit the
|
||||
* OptionFormantPreserved option as appropriate. Use this function
|
||||
* only if you want to shift formants by a distance other than
|
||||
* that of the overall pitch shift.
|
||||
*/
|
||||
void setFormantScale(double scale);
|
||||
|
||||
/**
|
||||
* Return the last pitch scaling ratio value that was set (either
|
||||
* on construction or with setPitchScale()).
|
||||
*/
|
||||
double getPitchScale() const;
|
||||
|
||||
/**
|
||||
* Return the last formant scaling ratio that was set with
|
||||
* setFormantScale, or 0.0 if the default automatic scaling is in
|
||||
* effect.
|
||||
*/
|
||||
double getFormantScale() const;
|
||||
|
||||
/**
|
||||
* Return the output delay of the shifter. This is the number of
|
||||
* audio samples that one should discard at the start of the
|
||||
* output, in order to ensure that the resulting audio has the
|
||||
* expected time alignment with the input.
|
||||
*
|
||||
* Ensure you have set the pitch scale to its proper starting
|
||||
* value before calling getStartDelay().
|
||||
*/
|
||||
size_t getStartDelay() const;
|
||||
|
||||
/**
|
||||
* Return the number of channels this shifter was constructed
|
||||
* with.
|
||||
*/
|
||||
size_t getChannelCount() const;
|
||||
|
||||
/**
|
||||
* Change an OptionFormant configuration setting. This may be
|
||||
* called at any time in any mode.
|
||||
*
|
||||
* Note that if running multi-threaded in Offline mode, the change
|
||||
* may not take effect immediately if processing is already under
|
||||
* way when this function is called.
|
||||
*/
|
||||
void setFormantOption(Options options);
|
||||
|
||||
/**
|
||||
* Query the number of sample frames that must be passed to, and
|
||||
* will be returned by, each process() call. This value is fixed
|
||||
* for the lifetime of the shifter.
|
||||
*
|
||||
* Note that the blocksize refers to the number of audio sample
|
||||
* frames, which may be multi-channel, not the number of
|
||||
* individual samples.
|
||||
*/
|
||||
size_t getBlockSize() const;
|
||||
|
||||
/**
|
||||
* Pitch-shift a single block of sample frames. The number of
|
||||
* sample frames (samples per channel) processed per call is
|
||||
* constant.
|
||||
*
|
||||
* "input" should point to de-interleaved audio data with one
|
||||
* float array per channel, with each array containing n samples
|
||||
* where n is the value returned by getBlockSize().
|
||||
*
|
||||
* "output" should point to a float array per channel, with each
|
||||
* array having enough room to store n samples where n is the value
|
||||
* returned by getBlockSize().
|
||||
*
|
||||
* Sample values are conventionally expected to be in the range
|
||||
* -1.0f to +1.0f.
|
||||
*/
|
||||
void shift(const float *const *input, float *const *output);
|
||||
|
||||
/**
|
||||
* Set the level of debug output. The supported values are:
|
||||
*
|
||||
* 0. Report errors only.
|
||||
*
|
||||
* 1. Report some information on construction and ratio
|
||||
* change. Nothing is reported during normal processing unless
|
||||
* something changes.
|
||||
*
|
||||
* 2. Report a significant amount of information about ongoing
|
||||
* calculations during normal processing.
|
||||
*
|
||||
* The default is whatever has been set using
|
||||
* setDefaultDebugLevel(), or 0 if that function has not been
|
||||
* called.
|
||||
*
|
||||
* All output goes to \c cerr unless a custom
|
||||
* RubberBandLiveShifter::Logger has been provided on
|
||||
* construction. Because writing to \c cerr is not RT-safe, only
|
||||
* debug level 0 is RT-safe in normal use by default. Debug levels
|
||||
* 0 and 1 use only C-string constants as debug messages, so they
|
||||
* are RT-safe if your custom logger is RT-safe. Levels 2 and 3
|
||||
* are not guaranteed to be RT-safe in any conditions as they may
|
||||
* construct messages by allocation.
|
||||
*
|
||||
* @see Logger
|
||||
* @see setDefaultDebugLevel
|
||||
*/
|
||||
void setDebugLevel(int level);
|
||||
|
||||
/**
|
||||
* Set the default level of debug output for subsequently
|
||||
* constructed shifters.
|
||||
*
|
||||
* @see setDebugLevel
|
||||
*/
|
||||
static void setDefaultDebugLevel(int level);
|
||||
|
||||
protected:
|
||||
class Impl;
|
||||
Impl *m_d;
|
||||
|
||||
RubberBandLiveShifter(const RubberBandLiveShifter &) =delete;
|
||||
RubberBandLiveShifter &operator=(const RubberBandLiveShifter &) =delete;
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
273
src/RubberBandLiveShifter.cpp
Normal file
273
src/RubberBandLiveShifter.cpp
Normal file
@@ -0,0 +1,273 @@
|
||||
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
|
||||
|
||||
/*
|
||||
Rubber Band Library
|
||||
An audio time-stretching and pitch-shifting library.
|
||||
Copyright 2007-2023 Particular Programs Ltd.
|
||||
|
||||
This program is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU General Public License as
|
||||
published by the Free Software Foundation; either version 2 of the
|
||||
License, or (at your option) any later version. See the file
|
||||
COPYING included with this distribution for more information.
|
||||
|
||||
Alternatively, if you have a valid commercial licence for the
|
||||
Rubber Band Live Pitch Shifter obtained by agreement with the copyright
|
||||
holders, you may redistribute and/or modify it under the terms
|
||||
described in that licence.
|
||||
|
||||
If you wish to distribute code using the Rubber Band Live Pitch Shifter
|
||||
under terms other than those of the GNU General Public License,
|
||||
you must obtain a valid commercial licence before doing so.
|
||||
*/
|
||||
|
||||
#include "../rubberband/RubberBandLiveShifter.h"
|
||||
#include "finer/R3LiveShifter.h"
|
||||
|
||||
#include <iostream>
|
||||
|
||||
namespace RubberBand {
|
||||
|
||||
class RubberBandLiveShifter::Impl
|
||||
{
|
||||
R3LiveShifter *m_s;
|
||||
|
||||
class CerrLogger : public RubberBandLiveShifter::Logger {
|
||||
public:
|
||||
void log(const char *message) override {
|
||||
std::cerr << "RubberBandLive: " << message << "\n";
|
||||
}
|
||||
void log(const char *message, double arg0) override {
|
||||
auto prec = std::cerr.precision();
|
||||
std::cerr.precision(10);
|
||||
std::cerr << "RubberBandLive: " << message << ": " << arg0 << "\n";
|
||||
std::cerr.precision(prec);
|
||||
}
|
||||
void log(const char *message, double arg0, double arg1) override {
|
||||
auto prec = std::cerr.precision();
|
||||
std::cerr.precision(10);
|
||||
std::cerr << "RubberBandLive: " << message
|
||||
<< ": (" << arg0 << ", " << arg1 << ")" << "\n";
|
||||
std::cerr.precision(prec);
|
||||
}
|
||||
};
|
||||
|
||||
Log makeRBLog(std::shared_ptr<RubberBandLiveShifter::Logger> logger) {
|
||||
if (logger) {
|
||||
return Log(
|
||||
[=](const char *message) {
|
||||
logger->log(message);
|
||||
},
|
||||
[=](const char *message, double arg0) {
|
||||
logger->log(message, arg0);
|
||||
},
|
||||
[=](const char *message, double arg0, double arg1) {
|
||||
logger->log(message, arg0, arg1);
|
||||
}
|
||||
);
|
||||
} else {
|
||||
return makeRBLog(std::shared_ptr<RubberBandLiveShifter::Logger>
|
||||
(new CerrLogger()));
|
||||
}
|
||||
}
|
||||
|
||||
public:
|
||||
Impl(size_t sampleRate, size_t channels,
|
||||
std::shared_ptr<RubberBandLiveShifter::Logger> logger,
|
||||
RubberBandLiveShifter::Options options) :
|
||||
m_s (new R3LiveShifter
|
||||
(R3LiveShifter::Parameters(double(sampleRate), channels,
|
||||
options),
|
||||
makeRBLog(logger)))
|
||||
{
|
||||
}
|
||||
|
||||
~Impl()
|
||||
{
|
||||
delete m_s;
|
||||
}
|
||||
|
||||
void reset()
|
||||
{
|
||||
m_s->reset();
|
||||
}
|
||||
|
||||
RTENTRY__
|
||||
void
|
||||
setPitchScale(double scale)
|
||||
{
|
||||
m_s->setPitchScale(scale);
|
||||
}
|
||||
|
||||
RTENTRY__
|
||||
void
|
||||
setFormantScale(double scale)
|
||||
{
|
||||
m_s->setFormantScale(scale);
|
||||
}
|
||||
|
||||
RTENTRY__
|
||||
double
|
||||
getPitchScale() const
|
||||
{
|
||||
return m_s->getPitchScale();
|
||||
}
|
||||
|
||||
RTENTRY__
|
||||
double
|
||||
getFormantScale() const
|
||||
{
|
||||
return m_s->getFormantScale();
|
||||
}
|
||||
|
||||
RTENTRY__
|
||||
void
|
||||
setFormantOption(RubberBandLiveShifter::Options options)
|
||||
{
|
||||
m_s->setFormantOption(options);
|
||||
}
|
||||
|
||||
RTENTRY__
|
||||
size_t
|
||||
getStartDelay() const
|
||||
{
|
||||
return m_s->getStartDelay();
|
||||
}
|
||||
|
||||
RTENTRY__
|
||||
size_t
|
||||
getBlockSize() const
|
||||
{
|
||||
return m_s->getBlockSize();
|
||||
}
|
||||
|
||||
RTENTRY__
|
||||
void
|
||||
shift(const float *const *input, float *const *output)
|
||||
{
|
||||
m_s->shift(input, output);
|
||||
}
|
||||
|
||||
RTENTRY__
|
||||
size_t
|
||||
getChannelCount() const
|
||||
{
|
||||
return m_s->getChannelCount();
|
||||
}
|
||||
|
||||
void
|
||||
setDebugLevel(int level)
|
||||
{
|
||||
m_s->setDebugLevel(level);
|
||||
}
|
||||
|
||||
static void
|
||||
setDefaultDebugLevel(int level)
|
||||
{
|
||||
Log::setDefaultDebugLevel(level);
|
||||
}
|
||||
};
|
||||
|
||||
RubberBandLiveShifter::RubberBandLiveShifter(size_t sampleRate,
|
||||
size_t channels,
|
||||
Options options) :
|
||||
m_d(new Impl(sampleRate, channels, nullptr, options))
|
||||
{
|
||||
}
|
||||
|
||||
RubberBandLiveShifter::RubberBandLiveShifter(size_t sampleRate,
|
||||
size_t channels,
|
||||
std::shared_ptr<Logger> logger,
|
||||
Options options) :
|
||||
m_d(new Impl(sampleRate, channels, logger, options))
|
||||
{
|
||||
}
|
||||
|
||||
RubberBandLiveShifter::~RubberBandLiveShifter()
|
||||
{
|
||||
delete m_d;
|
||||
}
|
||||
|
||||
void
|
||||
RubberBandLiveShifter::reset()
|
||||
{
|
||||
m_d->reset();
|
||||
}
|
||||
|
||||
RTENTRY__
|
||||
void
|
||||
RubberBandLiveShifter::setPitchScale(double scale)
|
||||
{
|
||||
m_d->setPitchScale(scale);
|
||||
}
|
||||
|
||||
RTENTRY__
|
||||
void
|
||||
RubberBandLiveShifter::setFormantScale(double scale)
|
||||
{
|
||||
m_d->setFormantScale(scale);
|
||||
}
|
||||
|
||||
RTENTRY__
|
||||
double
|
||||
RubberBandLiveShifter::getPitchScale() const
|
||||
{
|
||||
return m_d->getPitchScale();
|
||||
}
|
||||
|
||||
RTENTRY__
|
||||
double
|
||||
RubberBandLiveShifter::getFormantScale() const
|
||||
{
|
||||
return m_d->getFormantScale();
|
||||
}
|
||||
|
||||
RTENTRY__
|
||||
size_t
|
||||
RubberBandLiveShifter::getStartDelay() const
|
||||
{
|
||||
return m_d->getStartDelay();
|
||||
}
|
||||
|
||||
RTENTRY__
|
||||
void
|
||||
RubberBandLiveShifter::setFormantOption(Options options)
|
||||
{
|
||||
m_d->setFormantOption(options);
|
||||
}
|
||||
|
||||
RTENTRY__
|
||||
size_t
|
||||
RubberBandLiveShifter::getBlockSize() const
|
||||
{
|
||||
return m_d->getBlockSize();
|
||||
}
|
||||
|
||||
RTENTRY__
|
||||
void
|
||||
RubberBandLiveShifter::shift(const float *const *input, float *const *output)
|
||||
{
|
||||
m_d->shift(input, output);
|
||||
}
|
||||
|
||||
RTENTRY__
|
||||
size_t
|
||||
RubberBandLiveShifter::getChannelCount() const
|
||||
{
|
||||
return m_d->getChannelCount();
|
||||
}
|
||||
|
||||
void
|
||||
RubberBandLiveShifter::setDebugLevel(int level)
|
||||
{
|
||||
m_d->setDebugLevel(level);
|
||||
}
|
||||
|
||||
void
|
||||
RubberBandLiveShifter::setDefaultDebugLevel(int level)
|
||||
{
|
||||
Impl::setDefaultDebugLevel(level);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
1169
src/finer/R3LiveShifter.cpp
Normal file
1169
src/finer/R3LiveShifter.cpp
Normal file
File diff suppressed because it is too large
Load Diff
413
src/finer/R3LiveShifter.h
Normal file
413
src/finer/R3LiveShifter.h
Normal file
@@ -0,0 +1,413 @@
|
||||
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
|
||||
|
||||
/*
|
||||
Rubber Band Library
|
||||
An audio time-stretching and pitch-shifting library.
|
||||
Copyright 2007-2023 Particular Programs Ltd.
|
||||
|
||||
This program is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU General Public License as
|
||||
published by the Free Software Foundation; either version 2 of the
|
||||
License, or (at your option) any later version. See the file
|
||||
COPYING included with this distribution for more information.
|
||||
|
||||
Alternatively, if you have a valid commercial licence for the
|
||||
Rubber Band Library obtained by agreement with the copyright
|
||||
holders, you may redistribute and/or modify it under the terms
|
||||
described in that licence.
|
||||
|
||||
If you wish to distribute code using the Rubber Band Library
|
||||
under terms other than those of the GNU General Public License,
|
||||
you must obtain a valid commercial licence before doing so.
|
||||
*/
|
||||
|
||||
#ifndef RUBBERBAND_R3_LIVE_SHIFTERIMPL_H
|
||||
#define RUBBERBAND_R3_LIVE_SHIFTERIMPL_H
|
||||
|
||||
#include "BinSegmenter.h"
|
||||
#include "Guide.h"
|
||||
#include "Peak.h"
|
||||
#include "PhaseAdvance.h"
|
||||
|
||||
#include "../common/Resampler.h"
|
||||
#include "../common/FFT.h"
|
||||
#include "../common/FixedVector.h"
|
||||
#include "../common/Allocators.h"
|
||||
#include "../common/Window.h"
|
||||
#include "../common/VectorOpsComplex.h"
|
||||
#include "../common/Log.h"
|
||||
|
||||
#include "../../rubberband/RubberBandLiveShifter.h"
|
||||
|
||||
#include <map>
|
||||
#include <memory>
|
||||
#include <atomic>
|
||||
|
||||
namespace RubberBand
|
||||
{
|
||||
|
||||
class R3LiveShifter
|
||||
{
|
||||
public:
|
||||
struct Parameters {
|
||||
double sampleRate;
|
||||
int channels;
|
||||
RubberBandLiveShifter::Options options;
|
||||
Parameters(double _sampleRate, int _channels,
|
||||
RubberBandLiveShifter::Options _options) :
|
||||
sampleRate(_sampleRate), channels(_channels), options(_options) { }
|
||||
};
|
||||
|
||||
R3LiveShifter(Parameters parameters, Log log);
|
||||
~R3LiveShifter() { }
|
||||
|
||||
void reset();
|
||||
|
||||
void setPitchScale(double scale);
|
||||
void setFormantScale(double scale);
|
||||
|
||||
double getPitchScale() const;
|
||||
double getFormantScale() const;
|
||||
|
||||
void setFormantOption(RubberBandLiveShifter::Options);
|
||||
|
||||
size_t getBlockSize() const;
|
||||
void shift(const float *const *input, float *const *output);
|
||||
|
||||
size_t getPreferredStartPad() const;
|
||||
size_t getStartDelay() const;
|
||||
|
||||
size_t getChannelCount() const;
|
||||
|
||||
void setDebugLevel(int level) {
|
||||
m_log.setDebugLevel(level);
|
||||
for (auto &sd : m_scaleData) {
|
||||
sd.second->guided.setDebugLevel(level);
|
||||
}
|
||||
m_guide.setDebugLevel(level);
|
||||
}
|
||||
|
||||
protected:
|
||||
struct Limits {
|
||||
int minPreferredOuthop;
|
||||
int maxPreferredOuthop;
|
||||
int minInhop;
|
||||
int maxInhopWithReadahead;
|
||||
int maxInhop;
|
||||
Limits(RubberBandLiveShifter::Options options, double rate) :
|
||||
// commented values are results when rate = 44100 or 48000
|
||||
minPreferredOuthop(roundUpDiv(rate, 512)), // 128
|
||||
maxPreferredOuthop(roundUpDiv(rate, 128)), // 512
|
||||
minInhop(1),
|
||||
maxInhopWithReadahead(roundUpDiv(rate, 64)), // 1024
|
||||
maxInhop(roundUpDiv(rate, 32)) // 2048
|
||||
{
|
||||
if (!(options & RubberBandLiveShifter::OptionWindowLong)) {
|
||||
minPreferredOuthop = roundUpDiv(rate, 256); // 256
|
||||
maxPreferredOuthop = (roundUpDiv(rate, 128) * 5) / 4; // 640
|
||||
maxInhopWithReadahead = roundUpDiv(rate, 128); // 512
|
||||
maxInhop = (roundUpDiv(rate, 64) * 3) / 2; // 1536
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
struct ClassificationReadaheadData {
|
||||
FixedVector<process_t> timeDomain;
|
||||
FixedVector<process_t> mag;
|
||||
FixedVector<process_t> phase;
|
||||
ClassificationReadaheadData(int _fftSize) :
|
||||
timeDomain(_fftSize, 0.f),
|
||||
mag(_fftSize/2 + 1, 0.f),
|
||||
phase(_fftSize/2 + 1, 0.f)
|
||||
{ }
|
||||
|
||||
private:
|
||||
ClassificationReadaheadData(const ClassificationReadaheadData &) =delete;
|
||||
ClassificationReadaheadData &operator=(const ClassificationReadaheadData &) =delete;
|
||||
};
|
||||
|
||||
struct ChannelScaleData {
|
||||
int fftSize;
|
||||
int bufSize; // size of every freq-domain array here: fftSize/2 + 1
|
||||
FixedVector<process_t> timeDomain;
|
||||
FixedVector<process_t> real;
|
||||
FixedVector<process_t> imag;
|
||||
FixedVector<process_t> mag;
|
||||
FixedVector<process_t> phase;
|
||||
FixedVector<process_t> advancedPhase;
|
||||
FixedVector<process_t> prevMag;
|
||||
FixedVector<process_t> pendingKick;
|
||||
FixedVector<process_t> accumulator;
|
||||
int accumulatorFill;
|
||||
|
||||
ChannelScaleData(int _fftSize, int _longestFftSize) :
|
||||
fftSize(_fftSize),
|
||||
bufSize(fftSize/2 + 1),
|
||||
timeDomain(fftSize, 0.f),
|
||||
real(bufSize, 0.f),
|
||||
imag(bufSize, 0.f),
|
||||
mag(bufSize, 0.f),
|
||||
phase(bufSize, 0.f),
|
||||
advancedPhase(bufSize, 0.f),
|
||||
prevMag(bufSize, 0.f),
|
||||
pendingKick(bufSize, 0.f),
|
||||
accumulator(_longestFftSize, 0.f),
|
||||
accumulatorFill(0)
|
||||
{ }
|
||||
|
||||
void reset() {
|
||||
v_zero(prevMag.data(), prevMag.size());
|
||||
v_zero(pendingKick.data(), pendingKick.size());
|
||||
v_zero(accumulator.data(), accumulator.size());
|
||||
accumulatorFill = 0;
|
||||
}
|
||||
|
||||
private:
|
||||
ChannelScaleData(const ChannelScaleData &) =delete;
|
||||
ChannelScaleData &operator=(const ChannelScaleData &) =delete;
|
||||
};
|
||||
|
||||
struct FormantData {
|
||||
int fftSize;
|
||||
FixedVector<process_t> cepstra;
|
||||
FixedVector<process_t> envelope;
|
||||
FixedVector<process_t> spare;
|
||||
|
||||
FormantData(int _fftSize) :
|
||||
fftSize(_fftSize),
|
||||
cepstra(_fftSize, 0.0),
|
||||
envelope(_fftSize/2 + 1, 0.0),
|
||||
spare(_fftSize/2 + 1, 0.0) { }
|
||||
|
||||
process_t envelopeAt(process_t bin) const {
|
||||
int b0 = int(floor(bin)), b1 = int(ceil(bin));
|
||||
if (b0 < 0 || b0 > fftSize/2) {
|
||||
return 0.0;
|
||||
} else if (b1 == b0 || b1 > fftSize/2) {
|
||||
return envelope.at(b0);
|
||||
} else {
|
||||
process_t diff = bin - process_t(b0);
|
||||
return envelope.at(b0) * (1.0 - diff) + envelope.at(b1) * diff;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
struct ChannelData {
|
||||
std::map<int, std::shared_ptr<ChannelScaleData>> scales;
|
||||
FixedVector<process_t> windowSource;
|
||||
ClassificationReadaheadData readahead;
|
||||
bool haveReadahead;
|
||||
std::unique_ptr<BinClassifier> classifier;
|
||||
FixedVector<BinClassifier::Classification> classification;
|
||||
FixedVector<BinClassifier::Classification> nextClassification;
|
||||
std::unique_ptr<BinSegmenter> segmenter;
|
||||
BinSegmenter::Segmentation segmentation;
|
||||
BinSegmenter::Segmentation prevSegmentation;
|
||||
BinSegmenter::Segmentation nextSegmentation;
|
||||
Guide::Guidance guidance;
|
||||
FixedVector<float> mixdown;
|
||||
FixedVector<float> resampled;
|
||||
std::unique_ptr<RingBuffer<float>> inbuf;
|
||||
std::unique_ptr<RingBuffer<float>> outbuf;
|
||||
std::unique_ptr<FormantData> formant;
|
||||
ChannelData(BinSegmenter::Parameters segmenterParameters,
|
||||
BinClassifier::Parameters classifierParameters,
|
||||
int longestFftSize,
|
||||
int windowSourceSize,
|
||||
int inRingBufferSize,
|
||||
int outRingBufferSize) :
|
||||
scales(),
|
||||
windowSource(windowSourceSize, 0.0),
|
||||
readahead(segmenterParameters.fftSize),
|
||||
haveReadahead(false),
|
||||
classifier(new BinClassifier(classifierParameters)),
|
||||
classification(classifierParameters.binCount,
|
||||
BinClassifier::Classification::Residual),
|
||||
nextClassification(classifierParameters.binCount,
|
||||
BinClassifier::Classification::Residual),
|
||||
segmenter(new BinSegmenter(segmenterParameters)),
|
||||
segmentation(), prevSegmentation(), nextSegmentation(),
|
||||
mixdown(longestFftSize, 0.f),
|
||||
resampled(outRingBufferSize, 0.f),
|
||||
inbuf(new RingBuffer<float>(inRingBufferSize)),
|
||||
outbuf(new RingBuffer<float>(outRingBufferSize)),
|
||||
formant(new FormantData(segmenterParameters.fftSize)) { }
|
||||
void reset() {
|
||||
haveReadahead = false;
|
||||
classifier->reset();
|
||||
segmentation = BinSegmenter::Segmentation();
|
||||
prevSegmentation = BinSegmenter::Segmentation();
|
||||
nextSegmentation = BinSegmenter::Segmentation();
|
||||
for (size_t i = 0; i < nextClassification.size(); ++i) {
|
||||
nextClassification[i] = BinClassifier::Classification::Residual;
|
||||
}
|
||||
inbuf->reset();
|
||||
outbuf->reset();
|
||||
for (auto &s : scales) {
|
||||
s.second->reset();
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
struct ChannelAssembly {
|
||||
// Vectors of bare pointers, used to package container data
|
||||
// from different channels into arguments for PhaseAdvance
|
||||
FixedVector<const float *> input;
|
||||
FixedVector<process_t *> mag;
|
||||
FixedVector<process_t *> phase;
|
||||
FixedVector<process_t *> prevMag;
|
||||
FixedVector<Guide::Guidance *> guidance;
|
||||
FixedVector<process_t *> outPhase;
|
||||
FixedVector<float *> mixdown;
|
||||
FixedVector<float *> resampled;
|
||||
ChannelAssembly(int channels) :
|
||||
input(channels, nullptr),
|
||||
mag(channels, nullptr), phase(channels, nullptr),
|
||||
prevMag(channels, nullptr), guidance(channels, nullptr),
|
||||
outPhase(channels, nullptr), mixdown(channels, nullptr),
|
||||
resampled(channels, nullptr) { }
|
||||
};
|
||||
|
||||
struct ScaleData {
|
||||
int fftSize;
|
||||
bool singleWindowMode;
|
||||
FFT fft;
|
||||
Window<process_t> analysisWindow;
|
||||
Window<process_t> synthesisWindow;
|
||||
process_t windowScaleFactor;
|
||||
GuidedPhaseAdvance guided;
|
||||
|
||||
ScaleData(GuidedPhaseAdvance::Parameters guidedParameters,
|
||||
Log log) :
|
||||
fftSize(guidedParameters.fftSize),
|
||||
singleWindowMode(guidedParameters.singleWindowMode),
|
||||
fft(fftSize),
|
||||
analysisWindow(analysisWindowShape(),
|
||||
analysisWindowLength()),
|
||||
synthesisWindow(synthesisWindowShape(),
|
||||
synthesisWindowLength()),
|
||||
windowScaleFactor(0.0),
|
||||
guided(guidedParameters, log)
|
||||
{
|
||||
int asz = analysisWindow.getSize(), ssz = synthesisWindow.getSize();
|
||||
int off = (asz - ssz) / 2;
|
||||
for (int i = 0; i < ssz; ++i) {
|
||||
windowScaleFactor += analysisWindow.getValue(i + off) *
|
||||
synthesisWindow.getValue(i);
|
||||
}
|
||||
}
|
||||
|
||||
WindowType analysisWindowShape();
|
||||
int analysisWindowLength();
|
||||
WindowType synthesisWindowShape();
|
||||
int synthesisWindowLength();
|
||||
};
|
||||
|
||||
Log m_log;
|
||||
Parameters m_parameters;
|
||||
const Limits m_limits;
|
||||
|
||||
std::atomic<double> m_pitchScale;
|
||||
std::atomic<double> m_formantScale;
|
||||
|
||||
std::vector<std::shared_ptr<ChannelData>> m_channelData;
|
||||
std::map<int, std::shared_ptr<ScaleData>> m_scaleData;
|
||||
Guide m_guide;
|
||||
Guide::Configuration m_guideConfiguration;
|
||||
ChannelAssembly m_channelAssembly;
|
||||
std::unique_ptr<Resampler> m_inResampler;
|
||||
std::unique_ptr<Resampler> m_outResampler;
|
||||
bool m_useReadahead;
|
||||
int m_prevInhop;
|
||||
int m_prevOuthop;
|
||||
bool m_contractThenExpand; // otherwise expand then contract
|
||||
bool m_firstProcess;
|
||||
uint32_t m_unityCount;
|
||||
|
||||
void initialise();
|
||||
|
||||
void readIn(const float *const *input);
|
||||
void generate(int required);
|
||||
int readOut(float *const *output, int outcount, int origin);
|
||||
|
||||
void createResamplers();
|
||||
void analyseChannel(int channel, int inhop, int prevInhop, int prevOuthop);
|
||||
void analyseFormant(int channel);
|
||||
void adjustFormant(int channel);
|
||||
void adjustPreKick(int channel);
|
||||
void synthesiseChannel(int channel, int outhop, bool draining);
|
||||
|
||||
struct ToPolarSpec {
|
||||
int magFromBin;
|
||||
int magBinCount;
|
||||
int polarFromBin;
|
||||
int polarBinCount;
|
||||
};
|
||||
|
||||
Parameters validateSampleRate(const Parameters ¶ms) {
|
||||
Parameters validated { params };
|
||||
double minRate = 8000.0, maxRate = 192000.0;
|
||||
if (params.sampleRate < minRate) {
|
||||
m_log.log(0, "R3LiveShifter: WARNING: Unsupported sample rate", params.sampleRate);
|
||||
m_log.log(0, "R3LiveShifter: Minimum rate is", minRate);
|
||||
validated.sampleRate = minRate;
|
||||
} else if (params.sampleRate > maxRate) {
|
||||
m_log.log(0, "R3LiveShifter: WARNING: Unsupported sample rate", params.sampleRate);
|
||||
m_log.log(0, "R3LiveShifter: Maximum rate is", maxRate);
|
||||
validated.sampleRate = maxRate;
|
||||
}
|
||||
return validated;
|
||||
}
|
||||
|
||||
void convertToPolar(process_t *mag, process_t *phase,
|
||||
const process_t *real, const process_t *imag,
|
||||
const ToPolarSpec &s) const {
|
||||
v_cartesian_to_polar(mag + s.polarFromBin,
|
||||
phase + s.polarFromBin,
|
||||
real + s.polarFromBin,
|
||||
imag + s.polarFromBin,
|
||||
s.polarBinCount);
|
||||
if (s.magFromBin < s.polarFromBin) {
|
||||
v_cartesian_to_magnitudes(mag + s.magFromBin,
|
||||
real + s.magFromBin,
|
||||
imag + s.magFromBin,
|
||||
s.polarFromBin - s.magFromBin);
|
||||
}
|
||||
if (s.magFromBin + s.magBinCount > s.polarFromBin + s.polarBinCount) {
|
||||
v_cartesian_to_magnitudes(mag + s.polarFromBin + s.polarBinCount,
|
||||
real + s.polarFromBin + s.polarBinCount,
|
||||
imag + s.polarFromBin + s.polarBinCount,
|
||||
s.magFromBin + s.magBinCount -
|
||||
s.polarFromBin - s.polarBinCount);
|
||||
}
|
||||
}
|
||||
|
||||
bool useMidSide() const {
|
||||
return m_parameters.channels == 2 &&
|
||||
(m_parameters.options &
|
||||
RubberBandLiveShifter::OptionChannelsTogether);
|
||||
}
|
||||
|
||||
bool isSingleWindowed() const {
|
||||
return !(m_parameters.options &
|
||||
RubberBandLiveShifter::OptionWindowLong);
|
||||
}
|
||||
|
||||
int getWindowSourceSize() const {
|
||||
if (m_useReadahead) {
|
||||
int sz = m_guideConfiguration.classificationFftSize +
|
||||
m_limits.maxInhopWithReadahead;
|
||||
if (m_guideConfiguration.longestFftSize > sz) {
|
||||
return m_guideConfiguration.longestFftSize;
|
||||
} else {
|
||||
return sz;
|
||||
}
|
||||
} else {
|
||||
return m_guideConfiguration.longestFftSize;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
1272
src/test/TestLiveShifter.cpp
Normal file
1272
src/test/TestLiveShifter.cpp
Normal file
File diff suppressed because it is too large
Load Diff
Reference in New Issue
Block a user