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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/>.
**/
//
// AudioMeter.cpp
// Bespoke
//
// Created by Ryan Challinor on 6/18/15.
//
//
#include "AudioMeter.h"
#include "Profiler.h"
#include "ModularSynth.h"
AudioMeter::AudioMeter()
: IAudioProcessor(gBufferSize)
{
mAnalysisBuffer = new float[gBufferSize];
}
void AudioMeter::CreateUIControls()
{
IDrawableModule::CreateUIControls();
mLevelSlider = new FloatSlider(this, "level", 5, 2, 110, 15, &mLevel, 0, mMaxLevel);
}
AudioMeter::~AudioMeter()
{
delete[] mAnalysisBuffer;
}
void AudioMeter::Process(double time)
{
PROFILER(AudioMeter);
IAudioReceiver* target = GetTarget();
if (target == nullptr)
return;
SyncBuffers();
mNumChannels = GetBuffer()->NumActiveChannels();
if (mEnabled)
{
ComputeSliders(0);
Clear(mAnalysisBuffer, gBufferSize);
for (int ch = 0; ch < GetBuffer()->NumActiveChannels(); ++ch)
{
Add(mAnalysisBuffer, GetBuffer()->GetChannel(ch), GetBuffer()->BufferSize());
mLevelMeterDisplay.Process(ch, GetBuffer()->GetChannel(ch), GetBuffer()->BufferSize());
}
mPeakTracker.Process(mAnalysisBuffer, gBufferSize);
mLevel = sqrtf(mPeakTracker.GetPeak());
}
for (int ch = 0; ch < GetBuffer()->NumActiveChannels(); ++ch)
{
Add(target->GetBuffer()->GetChannel(ch), GetBuffer()->GetChannel(ch), GetBuffer()->BufferSize());
GetVizBuffer()->WriteChunk(GetBuffer()->GetChannel(ch), GetBuffer()->BufferSize(), ch);
}
GetBuffer()->Reset();
}
void AudioMeter::DrawModule()
{
if (Minimized() || IsVisible() == false)
return;
mLevelSlider->Draw();
mLevelMeterDisplay.Draw(3, 20, 114, 18, mNumChannels);
}
void AudioMeter::LoadLayout(const ofxJSONElement& moduleInfo)
{
mModuleSaveData.LoadString("target", moduleInfo);
mModuleSaveData.LoadFloat("maxlevel", moduleInfo, 1);
SetUpFromSaveData();
}
void AudioMeter::SetUpFromSaveData()
{
SetTarget(TheSynth->FindModule(mModuleSaveData.GetString("target")));
mMaxLevel = mModuleSaveData.GetFloat("maxlevel");
mLevelSlider->SetExtents(0, mMaxLevel);
mLevelMeterDisplay.SetLimit(mMaxLevel);
}
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