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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/>.
**/
//
// OutputChannel.cpp
// modularSynth
//
// Created by Ryan Challinor on 12/17/12.
//
//
#include "OutputChannel.h"
#include "SynthGlobals.h"
#include "ModularSynth.h"
#include "PatchCableSource.h"
OutputChannel::OutputChannel()
: IAudioProcessor(gBufferSize)
{
}
OutputChannel::~OutputChannel()
{
}
void OutputChannel::CreateUIControls()
{
IDrawableModule::CreateUIControls();
mChannelSelector = new DropdownList(this, "ch", 3, 3, &mChannelSelectionIndex);
for (int i = 0; i < TheSynth->GetNumOutputChannels(); ++i)
mChannelSelector->AddLabel(ofToString(i + 1), i);
mStereoSelectionOffset = mChannelSelector->GetNumValues(); //after this, the stereo pairs
for (int i = 0; i < TheSynth->GetNumOutputChannels() - 1; ++i)
mChannelSelector->AddLabel(ofToString(i + 1) + "&" + ofToString(i + 2), mChannelSelector->GetNumValues());
mChannelSelector->DrawLabel(true);
mChannelSelector->SetWidth(43);
GetPatchCableSource()->SetEnabled(false);
}
void OutputChannel::Process(double time)
{
int numChannels = GetNumChannels();
SyncBuffers(numChannels);
int channelSelectionIndex = mChannelSelectionIndex;
if (numChannels == 1)
{
int channel = channelSelectionIndex;
auto getBufferGetChannel0 = GetBuffer()->GetChannel(0);
if (channel >= 0 && channel < TheSynth->GetNumOutputChannels())
{
if (mLimit > std::numeric_limits<float>::epsilon())
{
for (int i = 0; i < gBufferSize; ++i)
TheSynth->GetOutputBuffer(channel)[i] += std::clamp(getBufferGetChannel0[i], -mLimit, mLimit);
}
else
{
for (int i = 0; i < gBufferSize; ++i)
TheSynth->GetOutputBuffer(channel)[i] += getBufferGetChannel0[i];
}
}
GetVizBuffer()->WriteChunk(getBufferGetChannel0, gBufferSize, 0);
mLevelMeterDisplay.Process(0, TheSynth->GetOutputBuffer(channel), gBufferSize);
}
else //stereo
{
int channel1 = channelSelectionIndex - mStereoSelectionOffset;
if (channel1 >= 0 && channel1 < TheSynth->GetNumOutputChannels())
{
auto getBufferGetChannel0 = GetBuffer()->GetChannel(0);
if (mLimit > std::numeric_limits<float>::epsilon())
{
for (int i = 0; i < gBufferSize; ++i)
TheSynth->GetOutputBuffer(channel1)[i] += CLAMP(getBufferGetChannel0[i], -mLimit, mLimit);
}
else
{
for (int i = 0; i < gBufferSize; ++i)
TheSynth->GetOutputBuffer(channel1)[i] += getBufferGetChannel0[i];
}
GetVizBuffer()->WriteChunk(getBufferGetChannel0, gBufferSize, 0);
}
int channel2 = channel1 + 1;
int inputChannel2 = (GetBuffer()->NumActiveChannels() >= 2) ? 1 : 0;
if (channel2 >= 0 && channel2 < TheSynth->GetNumOutputChannels())
{
auto getBufferGetChannel2 = GetBuffer()->GetChannel(inputChannel2);
if (mLimit > std::numeric_limits<float>::epsilon())
{
for (int i = 0; i < gBufferSize; ++i)
TheSynth->GetOutputBuffer(channel2)[i] += CLAMP(getBufferGetChannel2[i], -mLimit, mLimit);
}
else
{
for (int i = 0; i < gBufferSize; ++i)
TheSynth->GetOutputBuffer(channel2)[i] += getBufferGetChannel2[i];
}
GetVizBuffer()->WriteChunk(getBufferGetChannel2, gBufferSize, 1);
}
mLevelMeterDisplay.Process(0, TheSynth->GetOutputBuffer(channel1), gBufferSize);
mLevelMeterDisplay.Process(1, TheSynth->GetOutputBuffer(channel2), gBufferSize);
}
GetBuffer()->Reset();
}
void OutputChannel::DrawModule()
{
mChannelSelector->Draw();
if (GetNumChannels() == 1)
{
mLevelMeterDisplay.Draw(3, 20, 58, 8, GetNumChannels());
mHeight = 30;
}
else
{
mLevelMeterDisplay.Draw(3, 20, 58, 18, GetNumChannels());
mHeight = 40;
}
}
void OutputChannel::LoadLayout(const ofxJSONElement& moduleInfo)
{
if (!moduleInfo["channel"].isNull())
mModuleSaveData.LoadInt("channel", moduleInfo, 0, 0, TheSynth->GetNumOutputChannels() - 1);
mModuleSaveData.LoadEnum<int>("channels", moduleInfo, 0, mChannelSelector);
mModuleSaveData.LoadFloat("limit", moduleInfo, 1, 0, 1000, K(isTextField));
SetUpFromSaveData();
}
void OutputChannel::SetUpFromSaveData()
{
if (mModuleSaveData.HasProperty("channel")) //old version
mChannelSelectionIndex = mModuleSaveData.GetInt("channel") - 1;
else
mChannelSelectionIndex = mModuleSaveData.GetEnum<int>("channels");
mLimit = mModuleSaveData.GetFloat("limit");
mLevelMeterDisplay.SetLimit(mLimit);
}
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