test audio

#include <pspkernel.h>
#include <pspaudio.h>
#include <math.h>

int exit_callback(int arg1, int arg2, void *common) {
  sceKernelExitGame();
  return 0; }
int CallbackThread(SceSize args, void *argp) {
  int cbid;
  cbid = sceKernelCreateCallback("Exit Callback", exit_callback, NULL);
  sceKernelRegisterExitCallback(cbid);
  sceKernelSleepThreadCB();
  return 0; }
int SetupCallbacks() {
  int thid = 0;
  thid = sceKernelCreateThread("update_thread", CallbackThread, 0x11, 0xFA0, 0, 0);
  if(thid >= 0) sceKernelStartThread(thid, 0, 0);
  return thid; }

PSP_MODULE_INFO("App",0,1,1);
PSP_HEAP_SIZE_MAX();

int main()
{
  SetupCallbacks();

  short pcm[32768] = {0};
  int i;

  // On génère la sinusoide
  for (i=0; i<32768; i++) pcm[i] = 32700*sinf(i*0.3f);

  // On réserve un canal audio
  sceAudioChReserve(0, 32768, PSP_AUDIO_FORMAT_MONO);

  for (i=0; i<10; i++)
  {
    // On joue le sample 10x d'affilée, volume maximum
    sceAudioOutputBlocking(0, 0x8000, pcm);
  }

  // On libère le canal audio
  sceAudioChRelease(0);

  sceKernelExitGame();
  return 0;
}