Set up CMake build systemHEADmaster

1 files changed, 0 insertions, 88 deletions

diff --git a/audio.cpp b/audio.cpp
deleted file mode 100644
index 712dddc..0000000
--- a/audio.cpp
+++ /dev/null
@@ -1,88 +0,0 @@
-#include "audio.h"
-
-#define _USE_MATH_DEFINES
-#include <cmath>
-#include <iostream>
-#include <SDL2/SDL.h>
-
-#include "sequence.h"
-
-static const float AMPLITUDE = 0.2f;
-
-// SDL periodically calls this function to fill a chunk of the audio output buffer
-static void AudioCallback(void* userData, Uint8* rawBuffer, int bytes)
-{
-	float* buffer = (float*)rawBuffer;
-	int length = bytes / sizeof(float);
-	CallbackInfo* info = (CallbackInfo*)userData;
-	StepData& step = info->seq->steps[info->currentStep];
-
-	for (int i = 0; i < length; i++, info->samplesDone++) {
-		float time = (float)info->samplesDone / (float)info->sampleRate;
-		float modWave = sinf(2.0f * M_PI * step.modFreq * time);
-		float freq = step.carrierFreq + modWave * step.modDepth;
-
-		// Check if enough samples have been generated for this step
-		if (info->samplesDone >= info->samplesPerStep) {
-			// If so, move on to the next step
-			info->samplesDone = 0;
-			step = info->seq->steps[info->currentStep];
-			info->currentStep = (info->currentStep + 1) % 8;
-		}
-
-		buffer[i] = (sinf(2.0f * M_PI * freq * time)) * AMPLITUDE;
-	}
-}
-
-AudioContext::AudioContext(Sequence& seq)
-{
-	SDL_AudioSpec desiredSpec;
-	desiredSpec.freq = 44100;
-	desiredSpec.format = AUDIO_F32SYS;
-	desiredSpec.channels = 1;
-	desiredSpec.samples = 2048;
-	desiredSpec.callback = AudioCallback;
-	desiredSpec.userdata = &m_info;
-
-	SDL_AudioSpec obtainedSpec;
-	if (SDL_OpenAudio(&desiredSpec, &obtainedSpec) < 0) {
-		std::cerr << "Failed to initalize audio! " << SDL_GetError() << std::endl;
-		std::exit(1);
-	}
-
-	// The audio callback expects float values, so if a different data type 
-	// is obtained we should throw an error.
-	if (desiredSpec.format != obtainedSpec.format) {
-		std::cerr << "Unexpected audio format: " << obtainedSpec.format << std::endl;
-		std::exit(1);
-	}
-
-	m_info.samplesDone = 0;
-	m_info.samplesPerStep = obtainedSpec.freq * 0.4f;
-	m_info.currentStep = 0;
-	m_info.sampleRate = obtainedSpec.freq;
-	m_info.seq = &seq;
-
-	this->Start();
-}
-
-AudioContext::~AudioContext()
-{
-	this->Stop();
-	SDL_CloseAudio();
-}
-
-void AudioContext::Start()
-{
-	SDL_PauseAudio(0);
-}
-
-void AudioContext::Stop()
-{
-	SDL_PauseAudio(1);
-}
-
-int AudioContext::CurrentStep()
-{
-	return m_info.currentStep;
-}
\ No newline at end of file