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/**
bespoke synth, a software modular synthesizer
Copyright (C) 2021 Ryan Challinor (contact: awwbees@gmail.com)
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 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
**/
//
// VinylTempoControl.cpp
// Bespoke
//
// Created by Ryan Challinor on 12/18/14.
//
//
#include "VinylTempoControl.h"
#include "OpenFrameworksPort.h"
#include "DrumPlayer.h"
#include "ModularSynth.h"
#include "Profiler.h"
VinylTempoControl* TheVinylTempoControl = nullptr;
VinylTempoControl::VinylTempoControl()
: IAudioProcessor(gBufferSize)
, mVinylProcessor(gSampleRate)
{
//mModulationBuffer = new float[gBufferSize];
}
VinylTempoControl::~VinylTempoControl()
{
//delete[] mModulationBuffer;
}
void VinylTempoControl::CreateUIControls()
{
IDrawableModule::CreateUIControls();
mUseVinylControlCheckbox = new Checkbox(this, "control", 4, 2, &mUseVinylControl);
mTargetCable = new PatchCableSource(this, kConnectionType_Modulator);
mTargetCable->SetModulatorOwner(this);
AddPatchCableSource(mTargetCable);
}
void VinylTempoControl::DrawModule()
{
if (Minimized() || IsVisible() == false)
return;
mUseVinylControlCheckbox->Draw();
if (CanStartVinylControl())
DrawTextNormal(ofToString(mVinylProcessor.GetPitch(), 2), 60, 14);
}
void VinylTempoControl::Process(double time)
{
PROFILER(VinylTempoControl);
if (!mEnabled)
return;
ComputeSliders(0);
SyncBuffers();
assert(GetBuffer()->BufferSize());
if (GetBuffer()->NumActiveChannels() >= 2)
{
mVinylProcessor.Process(GetBuffer()->GetChannel(0), GetBuffer()->GetChannel(1), gBufferSize);
if (mUseVinylControl)
{
float speed = mVinylProcessor.GetPitch() / mReferencePitch;
if (speed == 0 || mVinylProcessor.GetStopped())
speed = .0001f;
mSpeed = speed;
}
else
{
mReferencePitch = mVinylProcessor.GetPitch();
}
}
GetBuffer()->Reset();
}
void VinylTempoControl::PostRepatch(PatchCableSource* cableSource, bool fromUserClick)
{
OnModulatorRepatch();
}
float VinylTempoControl::Value(int samplesIn)
{
//return mModulationBuffer[samplesIn];
return mSpeed;
}
bool VinylTempoControl::CanStartVinylControl()
{
return !mVinylProcessor.GetStopped() && fabsf(mVinylProcessor.GetPitch()) > .001f;
}
void VinylTempoControl::CheckboxUpdated(Checkbox* checkbox, double time)
{
if (checkbox == mUseVinylControlCheckbox)
{
if (!CanStartVinylControl())
mUseVinylControl = false;
}
}
void VinylTempoControl::SaveLayout(ofxJSONElement& moduleInfo)
{
}
void VinylTempoControl::LoadLayout(const ofxJSONElement& moduleInfo)
{
SetUpFromSaveData();
}
void VinylTempoControl::SetUpFromSaveData()
{
}
void VinylTempoControl::SaveState(FileStreamOut& out)
{
out << GetModuleSaveStateRev();
IDrawableModule::SaveState(out);
}
void VinylTempoControl::LoadState(FileStreamIn& in, int rev)
{
if (rev < 1)
{
// Temporary additional cable source
mTargetCable = new PatchCableSource(this, kConnectionType_Audio);
mTargetCable->SetModulatorOwner(this);
AddPatchCableSource(mTargetCable);
}
IDrawableModule::LoadState(in, rev);
if (rev < 1)
{
auto target = GetPatchCableSource(1)->GetTarget();
if (target != nullptr)
GetPatchCableSource()->SetTarget(target);
RemovePatchCableSource(GetPatchCableSource(1));
mTargetCable = GetPatchCableSource();
}
if (ModularSynth::sLoadingFileSaveStateRev < 423)
in >> rev;
LoadStateValidate(rev <= GetModuleSaveStateRev());
}
////////////////////////////////////////////////////////////////////////////////
VinylProcessor::VinylProcessor(int sampleRate)
: mSampleRate(sampleRate)
{
struct timecode_def* def;
def = timecoder_find_definition("serato_2a");
assert(def != NULL);
timecoder_init(&mTimecoder, def, 1.0, gSampleRate, false);
}
VinylProcessor::~VinylProcessor()
{
timecoder_clear(&mTimecoder);
timecoder_free_lookup();
}
//@TODO(Noxy): Warning C6262 Function uses '16448' bytes of stack : exceeds / analyze : stacksize '16384'. Consider moving some data to heap.
void VinylProcessor::Process(float* left, float* right, int numSamples)
{
float* in[2];
in[0] = left;
in[1] = right;
const float kConvert = (float)(1 << 15);
signed short data[8196];
for (int n = 0; n < numSamples; n++)
{
for (int ch = 0; ch < 2; ch++)
data[n * 2 + ch] = (signed short)(kConvert * (float)in[ch][n]);
}
timecoder_submit(&mTimecoder, data, numSamples);
mPitch = timecoder_get_pitch(&mTimecoder);
}
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