void DemoMainloop()
{
gSoloud.setFilterParameter(gMusichandle, 0, 0, filter_param0[0]);
gSoloud.setFilterParameter(gMusichandle, 1, 0, filter_param0[1]);
gSoloud.setFilterParameter(gMusichandle, 2, 0, filter_param0[2]);
gSoloud.setFilterParameter(gMusichandle, 3, 0, filter_param0[3]);
gSoloud.setFilterParameter(gMusichandle, 0, 2, filter_param1[0]);
gSoloud.setFilterParameter(gMusichandle, 0, 3, filter_param2[0]);
gSoloud.setFilterParameter(gMusichandle, 1, 1, filter_param1[1]);
gSoloud.setFilterParameter(gMusichandle, 1, 2, filter_param2[1]);
DemoUpdateStart();
float *buf = gSoloud.getWave();
float *fft = gSoloud.calcFFT();
ONCE(ImGui::SetNextWindowPos(ImVec2(500, 20)));
ImGui::Begin("Output");
ImGui::PlotLines("##Wave", buf, 256, 0, "Wave", -1, 1, ImVec2(264, 80));
ImGui::PlotHistogram("##FFT", fft, 256/2, 0, "FFT", 0, 10, ImVec2(264,80),8);
ImGui::Text("Music volume : %d%%", (int)floor(gSoloud.getVolume(gMusichandle) * 100));
ImGui::Text("Active voices : %d", gSoloud.getActiveVoiceCount());
ImGui::End();
ONCE(ImGui::SetNextWindowPos(ImVec2(20, 20)));
ImGui::Begin("Control");
if (ImGui::SliderInt("Channels", &hwchannels, 1, 4))
{
gMusic.setParams(hwchannels, waveform);
}
if (ImGui::CollapsingHeader("Waveform", (const char*)0, true, false))
{
if (ImGui::RadioButton("Square", waveform == SoLoud::Monotone::SQUARE))
{
waveform = SoLoud::Monotone::SQUARE;
gMusic.setParams(hwchannels, waveform);
}
if (ImGui::RadioButton("Saw", waveform == SoLoud::Monotone::SAW))
{
waveform = SoLoud::Monotone::SAW;
gMusic.setParams(hwchannels, waveform);
}
if (ImGui::RadioButton("Sin", waveform == SoLoud::Monotone::SIN))
{
waveform = SoLoud::Monotone::SIN;
gMusic.setParams(hwchannels, waveform);
}
if (ImGui::RadioButton("SawSin", waveform == SoLoud::Monotone::SAWSIN))
{
waveform = SoLoud::Monotone::SAWSIN;
gMusic.setParams(hwchannels, waveform);
}
}
ImGui::Separator();
ImGui::Text("Biquad filter (lowpass)");
ImGui::SliderFloat("Wet##4", &filter_param0[0], 0, 1);
ImGui::SliderFloat("Frequency##4", &filter_param1[0], 0, 8000);
ImGui::SliderFloat("Resonance##4", &filter_param2[0], 1, 20);
ImGui::Separator();
ImGui::Text("Lofi filter");
ImGui::SliderFloat("Wet##2", &filter_param0[1], 0, 1);
ImGui::SliderFloat("Rate##2", &filter_param1[1], 1000, 8000);
ImGui::SliderFloat("Bit depth##2", &filter_param2[1], 0, 8);
ImGui::Separator();
ImGui::Text("Echo filter");
ImGui::SliderFloat("Wet##3", &filter_param0[2], 0, 1);
ImGui::Separator();
ImGui::Text("DC removal filter");
ImGui::SliderFloat("Wet##1", &filter_param0[3], 0, 1);
ImGui::End();
DemoUpdateEnd();
}
// Entry point
int main(int argc, char *argv[])
{
DemoInit();
gMusic.load("audio/Jakim - Aboriginal Derivatives.mon");
gMusic.setParams(10);
gEcho.setParams(0.2f, 0.5f, 0.05f);
gBiquad.setParams(SoLoud::BiquadResonantFilter::LOWPASS, 44100, 4000, 2);
gMusic.setLooping(1);
gMusic.setFilter(0, &gBiquad);
gMusic.setFilter(1, &gLofi);
gMusic.setFilter(2, &gEcho);
gMusic.setFilter(3, &gDCRemoval);
gSoloud.init(SoLoud::Soloud::CLIP_ROUNDOFF | SoLoud::Soloud::ENABLE_VISUALIZATION);
gMusichandle = gSoloud.play(gMusic);
float filter_param0[4] = { 0, 0, 0, 0 };
float filter_param1[4] = { 1000, 8000, 0, 0 };
float filter_param2[4] = { 2, 3, 0, 0 };
int hwchannels = 4;
int waveform = 0;
// Main loop: loop forever.
while (1)
{
gSoloud.setFilterParameter(gMusichandle, 0, 0, filter_param0[0]);
gSoloud.setFilterParameter(gMusichandle, 1, 0, filter_param0[1]);
gSoloud.setFilterParameter(gMusichandle, 2, 0, filter_param0[2]);
gSoloud.setFilterParameter(gMusichandle, 3, 0, filter_param0[3]);
gSoloud.setFilterParameter(gMusichandle, 0, 2, filter_param1[0]);
gSoloud.setFilterParameter(gMusichandle, 0, 3, filter_param2[0]);
gSoloud.setFilterParameter(gMusichandle, 1, 1, filter_param1[1]);
gSoloud.setFilterParameter(gMusichandle, 1, 2, filter_param2[1]);
DemoUpdateStart();
float *buf = gSoloud.getWave();
float *fft = gSoloud.calcFFT();
ONCE(ImGui::SetNextWindowPos(ImVec2(500, 20)));
ImGui::Begin("Output");
ImGui::PlotLines("##Wave", buf, 256, 0, "Wave", -1, 1, ImVec2(264, 80));
ImGui::PlotHistogram("##FFT", fft, 256/2, 0, "FFT", 0, 10, ImVec2(264,80),8);
ImGui::Text("Music volume : %d%%", (int)floor(gSoloud.getVolume(gMusichandle) * 100));
ImGui::Text("Active voices : %d", gSoloud.getActiveVoiceCount());
ImGui::End();
ONCE(ImGui::SetNextWindowPos(ImVec2(20, 20)));
ImGui::Begin("Control");
if (ImGui::SliderInt("Channels", &hwchannels, 1, 4))
{
gMusic.setParams(hwchannels, waveform);
}
if (ImGui::CollapsingHeader("Waveform", (const char*)0, true, false))
{
if (ImGui::RadioButton("Square", waveform == SoLoud::Monotone::SQUARE))
{
waveform = SoLoud::Monotone::SQUARE;
gMusic.setParams(hwchannels, waveform);
}
if (ImGui::RadioButton("Saw", waveform == SoLoud::Monotone::SAW))
{
waveform = SoLoud::Monotone::SAW;
gMusic.setParams(hwchannels, waveform);
}
if (ImGui::RadioButton("Sin", waveform == SoLoud::Monotone::SIN))
{
waveform = SoLoud::Monotone::SIN;
gMusic.setParams(hwchannels, waveform);
}
if (ImGui::RadioButton("SawSin", waveform == SoLoud::Monotone::SAWSIN))
{
waveform = SoLoud::Monotone::SAWSIN;
gMusic.setParams(hwchannels, waveform);
}
}
ImGui::Separator();
ImGui::Text("Biquad filter (lowpass)");
ImGui::SliderFloat("Wet##4", &filter_param0[0], 0, 1);
ImGui::SliderFloat("Frequency##4", &filter_param1[0], 0, 8000);
ImGui::SliderFloat("Resonance##4", &filter_param2[0], 1, 20);
ImGui::Separator();
ImGui::Text("Lofi filter");
ImGui::SliderFloat("Wet##2", &filter_param0[1], 0, 1);
ImGui::SliderFloat("Rate##2", &filter_param1[1], 1000, 8000);
ImGui::SliderFloat("Bit depth##2", &filter_param2[1], 0, 8);
ImGui::Separator();
ImGui::Text("Echo filter");
ImGui::SliderFloat("Wet##3", &filter_param0[2], 0, 1);
ImGui::Separator();
ImGui::Text("DC removal filter");
ImGui::SliderFloat("Wet##1", &filter_param0[3], 0, 1);
ImGui::End();
DemoUpdateEnd();
}
return 0;
}