init C version

C/compile.sh

@@ -0,0 +1 @@
+g++ -o main -I/usr/include/SDL2  main.cpp -lSDL2 -lSDL2_image -lSDL2_ttf -lSDL2_mixer

C/main.cpp

@@ -0,0 +1,120 @@
+#include <stdio.h>
+
+#include "SDL.h"
+#include "SDL_mixer.h"
+#include "SDL_image.h"
+#include <unistd.h>
+#include <syslog.h>
+#include <string.h>
+#include <math.h>
+
+#define NUM_WAVEFORMS 6
+const char* _waveFileNames[] = {
+  "BANK1/1.wav",
+  "BANK1/2.wav",
+  "BANK1/3.wav",
+  "BANK1/4.wav",
+  "BANK1/5.wav",
+  "BANK1/6.wav",
+};
+
+Mix_Chunk* _sample[6];
+
+int Init(void) {
+
+  memset(_sample, 0, sizeof(Mix_Chunk*) * 6);
+
+  // Set up the audio stream
+  int result = Mix_OpenAudio(44100, AUDIO_S16SYS, 2, 512);
+  if( result < 0 ) {
+    fprintf(stderr, "Unable to open audio: %s\n", SDL_GetError());
+    exit(-1);
+  }
+
+  result = Mix_AllocateChannels(4);
+  if( result < 0 ) {
+    fprintf(stderr, "Unable to allocate mixing channels: %s\n", SDL_GetError());
+    exit(-1);
+  }
+
+  // Load waveforms
+  for( int i = 0; i < NUM_WAVEFORMS; i++ ) {
+    _sample[i] = Mix_LoadWAV(_waveFileNames[i]);
+    if( _sample[i] == NULL ) {
+      fprintf(stderr, "Unable to load wave file: %s\n", _waveFileNames[i]);
+    }
+  }
+
+  return true;
+}
+
+int main(int argc, char** argv) {
+
+  SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO );
+  atexit(SDL_Quit);
+
+  SDL_Window* window = SDL_CreateWindow("Sonquencer",
+                                        SDL_WINDOWPOS_UNDEFINED,
+                                        SDL_WINDOWPOS_UNDEFINED,
+                                        800,
+                                        600,
+                                        SDL_WINDOW_RESIZABLE);
+
+  if (Init() == false) { return -1;}
+
+  SDL_Event Event;
+
+  bool done = false;
+  while (!done) {
+    bool gotEvent = SDL_PollEvent(&Event);
+
+    while (!done && gotEvent) {
+      switch (Event.type) {
+        case SDL_KEYDOWN:
+
+          switch (Event.key.keysym.sym) {
+            case '1':
+              Mix_PlayChannel(-1, _sample[0], 0);
+              break;
+            case '2':
+              Mix_PlayChannel(-1, _sample[1], 0);
+              break;
+            case '3':
+              Mix_PlayChannel(-1, _sample[2], 0);
+              break;
+            case '4':
+              Mix_PlayChannel(-1, _sample[3], 0);
+              break;
+            case '5':
+              Mix_PlayChannel(-1, _sample[4], 0);
+              break;
+            case '6':
+              Mix_PlayChannel(-1, _sample[5], 0);
+              break;
+            default:
+              break;
+          }
+          break;
+
+            case SDL_QUIT:
+              done = true;
+              break;
+
+            default:
+              break;
+      }
+      if( !done ) { gotEvent = SDL_PollEvent(&Event); }
+    }
+
+    usleep(1000);
+
+  }
+
+  for( int i = 0; i < NUM_WAVEFORMS; i++ ) {
+    Mix_FreeChunk(_sample[i]);
+  }
+
+  Mix_CloseAudio();
+  SDL_Quit();
+  return 0;
+}