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Platform_Win32_Sound_DSound.cpp

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//*** Platform_Win32_Sound_DSound.cpp ***

#include "Platform_Win32_Sound_DSound.h"
#include "Platform_Win32_Sound_SoundStream_DSound.h"
#include "Platform_OS.h"

//#define WIN32_LEAN_AND_MEAN 
#define VC_EXTRALEAN


#define DIRECTSOUND_VERSION 0x0300
#include <dsound.h>


//*** Constructor ***

Platform_Win32_Sound_DSound::Platform_Win32_Sound_DSound(struct HWND__* windowHandle):
   windowHandle_(windowHandle),
   dsoundDLL_(0),
   directSound_(0)
   {

   }


//*** Setup ***

bool Platform_Win32_Sound_DSound::Setup()
   {
   dsoundDLL_=LoadLibrary("dsound.dll");

   if (dsoundDLL_)
      {
      typedef HRESULT (WINAPI *DirectSoundCreateDefinition)(LPCGUID pcGuidDevice, LPDIRECTSOUND *ppDS, LPUNKNOWN pUnkOuter);
      DirectSoundCreateDefinition DirectSoundCreate=(DirectSoundCreateDefinition)GetProcAddress((HMODULE)dsoundDLL_, "DirectSoundCreate"); 


      HRESULT hr;
      hr = DirectSoundCreate(NULL, &directSound_, NULL);
      if (!SUCCEEDED(hr))
         {
         Platform::GetPlatform_OS()->OutputDebugText("Couldn't create DirectSound object\n");
         return false;
         }
      
      hr = directSound_->SetCooperativeLevel(windowHandle_, /* DSSCL_EXCLUSIVE*/ DSSCL_NORMAL);
      if (!SUCCEEDED(hr))
         {
         Platform::GetPlatform_OS()->OutputDebugText("Couldn't set cooperative level for DirectSound object\n");
         return false;
         }
   
      return true;
      }

   Platform::GetPlatform_OS()->OutputDebugText("Couldn't load dsound.dll\n");
   return false;
   }


//*** Start ***

Platform_Win32_Sound_DSound::~Platform_Win32_Sound_DSound()
   {
   if (dsoundDLL_)
      {
      if (directSound_)
         {
         directSound_->Release();
         }
      FreeLibrary((HMODULE)dsoundDLL_);
      }
   }


//*** Update ***

void Platform_Win32_Sound_DSound::Update()
   {
   }


//*** CreateSoundStream ***

Platform_Sound_SoundStream* Platform_Win32_Sound_DSound::CreateSoundStream(int channels, int frequency, int bitsPerSample, int size)
   {
   return new Platform_Win32_Sound_SoundStream_DSound(directSound_,channels,frequency,bitsPerSample,size);
   }

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