示例#1
0
	void DemoMainloop()
	{
		DemoUpdateStart();

		if (speechtick < DemoTick())
		{
			int h = gSpeechbus.play(gSpeech[speechcount % 10], (rand() % 200) / 50.0f + 2, (rand() % 20) / 10.0f - 1);
			speechcount++;
			gSoloud.setRelativePlaySpeed(h, (rand() % 100) / 200.0f + 0.75f);
			gSoloud.fadePan(h, (rand() % 20) / 10.0f - 1, 2);
			speechtick = DemoTick() + 4000;
		}

		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("Speech bus volume : %d%%", (int)floor(gSoloud.getVolume(gSpeechbusHandle) * 100));
		ImGui::Text("Music bus volume  : %d%%", (int)floor(gSoloud.getVolume(gMusicbusHandle) * 100));
		ImGui::Text("Sfx bus volume    : %d%%", (int)floor(gSoloud.getVolume(gSfxbusHandle) * 100));
		ImGui::Text("Active voices     : %d", gSoloud.getActiveVoiceCount());
		ImGui::End();

		ONCE(ImGui::SetNextWindowPos(ImVec2(20, 20)));
		ImGui::Begin("Control");
		if (ImGui::SliderFloat("Speech bus volume", &gSpeechvol, 0, 2))
		{
			gSoloud.setVolume(gSpeechbusHandle, gSpeechvol);
		}
		if (ImGui::SliderFloat("Music bus volume", &gMusicvol, 0, 2))
		{
			gSoloud.setVolume(gMusicbusHandle, gMusicvol);
		}
		if (ImGui::SliderFloat("Sfx bus volume", &gSfxvol, 0, 2))
		{
			gSoloud.setVolume(gSfxbusHandle, gSfxvol);
		}
		ImGui::End();
		DemoUpdateEnd();
	}
示例#2
0
// 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;
}
示例#3
0
文件: main.cpp 项目: neilogd/soloud
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();
}
示例#4
0
文件: main.cpp 项目: Fincodr/soloud
void render()
{   
	// Lock surface if needed
	if (SDL_MUSTLOCK(screen))
		if (SDL_LockSurface(screen) < 0) 
			return;

	// Ask SDL for the time in milliseconds
	int tick = SDL_GetTicks();

	float *buf = gSoloud.getWave();
	float *fft = gSoloud.calcFFT();


	if (buf && fft)
	{
		int i, j;
		for (i = 0; i < 256; i++)
			for (j = 0; j < 400; j++)
				putpixel(j, i, 0);

		int last = 0;
		for (i = 0; i < 256; i++)
		{			
			int v = 256-(int)floor(fft[i] * 127);
			if (v < 0) v = 0;
			if (v > 256) v = 256;
			for (j = v; j < 256; j++)
			{
				putpixel(i,j,0x0000ff);
			}

			v = (int)floor(buf[i] * 127 + 128);
			if (v < 0) v = 0;
			if (v > 256) v = 256;
			for (j = 0; j < 6; j++)
			{
				putpixel(i,j+v,0xff0000);
			}

			putpixel(200 + v,128+(v-last),0x00ff00);
			last = v;
		}
	}

	drawstring("1-6: sfxr sound effects",0,0);
	drawstring("7-8: switch music",0,16);
	drawstring("9-0: slow down/speed up",0,32);

	char temp[256];
	sprintf(temp, "Music1 volume: %d%%", (int)floor(gSoloud.getVolume(gMusichandle1) * 100));
	drawstring(temp,0,48);
	sprintf(temp, "Music2 volume: %d%%", (int)floor(gSoloud.getVolume(gMusichandle2) * 100));
	drawstring(temp,0,64);
	sprintf(temp, "Music rel. speed: %d%%", (int)floor(gSoloud.getRelativePlaySpeed(gMusichandle2) * 100));
	drawstring(temp,0,80);
	sprintf(temp, "Active voices: %d", gSoloud.getActiveVoiceCount());
	drawstring(temp,0,96);

	// Unlock if needed
	if (SDL_MUSTLOCK(screen)) 
		SDL_UnlockSurface(screen);

	// Tell SDL to update the whole screen
	SDL_UpdateRect(screen, 0, 0, 400, 256);    
}