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Raimon Zamora
2021-09-02 22:22:01 +02:00
commit 0ceccb0d5d
6 changed files with 222 additions and 0 deletions
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main.cpp Executable file
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#include <SDL2/SDL.h>
#include "tonegen.h"
#include "audio.h"
#define SOUND_DURATION 0.25f
#define SOUND_NUM_SAMPLES SOUND_DURATION*SAMPLES_PER_SECOND
#define SOUND_SIZE_IN_BYTES SOUND_NUM_SAMPLES*AUDIO_FORMAT_SIZE
SDL_AudioSpec audioSpec{SAMPLES_PER_SECOND, AUDIO_FORMAT, 1, 0, 512, 0, 0, NULL, NULL};
int main(int argc, char* argv[]) {
SDL_Init(SDL_INIT_EVERYTHING);
SDL_AudioDeviceID sdlAudioDevice = SDL_OpenAudioDevice(NULL, 0, &audioSpec, NULL, 0);
AUDIO_FORMAT_TYPE beeps[int(SOUND_NUM_SAMPLES*8)];
AUDIO_FORMAT_TYPE beeps2[int(SOUND_NUM_SAMPLES*8)];
AUDIO_FORMAT_TYPE *pointer = beeps;
toneGen tonegen(SOUND_NUM_SAMPLES);
tonegen.setup(22, CHIPTUNE_INSTRUMENT_TRIANGLE, 13, CHIPTUNE_EFFECT_DROP);
int numSamples = tonegen.getSamples(SOUND_NUM_SAMPLES, pointer); pointer += int(SOUND_NUM_SAMPLES);
tonegen.setup(32, CHIPTUNE_INSTRUMENT_SQUARE, 0, CHIPTUNE_EFFECT_NONE);
numSamples = tonegen.getSamples(SOUND_NUM_SAMPLES, pointer); pointer += int(SOUND_NUM_SAMPLES);
tonegen.setup(32, CHIPTUNE_INSTRUMENT_NOISE, 4, CHIPTUNE_EFFECT_FADEOUT);
numSamples = tonegen.getSamples(SOUND_NUM_SAMPLES, pointer); pointer += int(SOUND_NUM_SAMPLES);
tonegen.setup(32, CHIPTUNE_INSTRUMENT_SQUARE, 0, CHIPTUNE_EFFECT_NONE);
numSamples = tonegen.getSamples(SOUND_NUM_SAMPLES, pointer); pointer += int(SOUND_NUM_SAMPLES);
tonegen.setup(22, CHIPTUNE_INSTRUMENT_TRIANGLE, 13, CHIPTUNE_EFFECT_DROP);
numSamples = tonegen.getSamples(SOUND_NUM_SAMPLES, pointer); pointer += int(SOUND_NUM_SAMPLES);
tonegen.setup(22, CHIPTUNE_INSTRUMENT_TRIANGLE, 13, CHIPTUNE_EFFECT_DROP);
numSamples = tonegen.getSamples(SOUND_NUM_SAMPLES, pointer); pointer += int(SOUND_NUM_SAMPLES);
tonegen.setup(32, CHIPTUNE_INSTRUMENT_NOISE, 4, CHIPTUNE_EFFECT_FADEOUT);
numSamples = tonegen.getSamples(SOUND_NUM_SAMPLES, pointer); pointer += int(SOUND_NUM_SAMPLES);
tonegen.setup(32, CHIPTUNE_INSTRUMENT_SQUARE, 0, CHIPTUNE_EFFECT_NONE);
numSamples = tonegen.getSamples(SOUND_NUM_SAMPLES, pointer); pointer += int(SOUND_NUM_SAMPLES);
pointer = beeps2;
tonegen.setup(35, CHIPTUNE_INSTRUMENT_SQUARE, 1, CHIPTUNE_EFFECT_NONE);
numSamples = tonegen.getSamples(SOUND_NUM_SAMPLES, pointer); pointer += int(SOUND_NUM_SAMPLES);
tonegen.setup(37, CHIPTUNE_INSTRUMENT_SQUARE, 1, CHIPTUNE_EFFECT_NONE);
numSamples = tonegen.getSamples(SOUND_NUM_SAMPLES, pointer); pointer += int(SOUND_NUM_SAMPLES);
tonegen.setup(39, CHIPTUNE_INSTRUMENT_SQUARE, 1, CHIPTUNE_EFFECT_NONE);
numSamples = tonegen.getSamples(SOUND_NUM_SAMPLES, pointer); pointer += int(SOUND_NUM_SAMPLES);
tonegen.setup(40, CHIPTUNE_INSTRUMENT_SQUARE, 1, CHIPTUNE_EFFECT_NONE);
numSamples = tonegen.getSamples(SOUND_NUM_SAMPLES, pointer); pointer += int(SOUND_NUM_SAMPLES);
tonegen.setup(42, CHIPTUNE_INSTRUMENT_SQUARE, 1, CHIPTUNE_EFFECT_NONE);
numSamples = tonegen.getSamples(SOUND_NUM_SAMPLES, pointer); pointer += int(SOUND_NUM_SAMPLES);
tonegen.setup(44, CHIPTUNE_INSTRUMENT_SQUARE, 1, CHIPTUNE_EFFECT_NONE);
numSamples = tonegen.getSamples(SOUND_NUM_SAMPLES, pointer); pointer += int(SOUND_NUM_SAMPLES);
tonegen.setup(46, CHIPTUNE_INSTRUMENT_SQUARE, 1, CHIPTUNE_EFFECT_NONE);
numSamples = tonegen.getSamples(SOUND_NUM_SAMPLES, pointer); pointer += int(SOUND_NUM_SAMPLES);
tonegen.setup(47, CHIPTUNE_INSTRUMENT_SQUARE, 1, CHIPTUNE_EFFECT_NONE);
numSamples = tonegen.getSamples(SOUND_NUM_SAMPLES, pointer); pointer += int(SOUND_NUM_SAMPLES);
for (int i=0; i<SOUND_NUM_SAMPLES*8;++i) {
beeps[i] += beeps2[i];
}
SDL_Window *sdlWindow = SDL_CreateWindow("Mus", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 1102, 700, SDL_WINDOW_SHOWN);
SDL_Renderer *sdlRenderer = SDL_CreateRenderer(sdlWindow, -1, 0);
SDL_SetRenderDrawColor(sdlRenderer, 255, 255, 255, 255);
int last_x = 0, last_y = 120;
for (int x=0; x<1102; ++x) {
int y = 700 - (350+300*(float(beeps[x*10])/float(AUDIO_FORMAT_MAX_VALUE)));
SDL_RenderDrawLine(sdlRenderer, x, y, last_x, last_y);
last_x = x; last_y = y;
}
SDL_RenderPresent(sdlRenderer);
SDL_QueueAudio(sdlAudioDevice, &beeps[0], SOUND_SIZE_IN_BYTES*8);
SDL_PauseAudioDevice(sdlAudioDevice, 0);
bool exit = false;
SDL_Event sdlEvent;
while (!exit) {
while (SDL_PollEvent(&sdlEvent)) {
if (sdlEvent.type == SDL_QUIT) { exit = true; break;}
}
}
SDL_DestroyRenderer(sdlRenderer);
SDL_DestroyWindow(sdlWindow);
SDL_Quit();
return 0;
}