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Mesen-X/Windows/DirectXTK/Audio.h

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Added simple GUI + DirectX render target
2014-06-12 21:48:04 -04:00
//--------------------------------------------------------------------------------------
// File: Audio.h
//
// DirectXTK for Audio header
//
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
// PARTICULAR PURPOSE.
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// http://go.microsoft.com/fwlink/?LinkId=248929
//--------------------------------------------------------------------------------------
#pragma once
#include <objbase.h>
#include <mmreg.h>
#include <audioclient.h>
#if defined(_XBOX_ONE) && defined(_TITLE)
#include <xma2defs.h>
#pragma comment(lib,"acphal.lib")
#endif
#if defined(WINAPI_FAMILY) && WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
#pragma comment(lib,"PhoneAudioSes.lib")
#endif
#if (_WIN32_WINNT >= 0x0602 /*_WIN32_WINNT_WIN8*/)
#if defined(_MSC_VER) && (_MSC_VER < 1700)
#error DirectX Tool Kit for Audio does not support VS 2010 without the DirectX SDK
#endif
#include <xaudio2.h>
#include <xaudio2fx.h>
#include <x3daudio.h>
#include <xapofx.h>
#pragma comment(lib,"xaudio2.lib")
#else
// Using XAudio 2.7 requires the DirectX SDK
#include <C:\Program Files (x86)\Microsoft DirectX SDK (June 2010)\Include\comdecl.h>
#include <C:\Program Files (x86)\Microsoft DirectX SDK (June 2010)\Include\xaudio2.h>
#include <C:\Program Files (x86)\Microsoft DirectX SDK (June 2010)\Include\xaudio2fx.h>
#include <C:\Program Files (x86)\Microsoft DirectX SDK (June 2010)\Include\xapofx.h>
#pragma warning(push)
#pragma warning( disable : 4005 )
#include <C:\Program Files (x86)\Microsoft DirectX SDK (June 2010)\Include\x3daudio.h>
#pragma warning(pop)
#pragma comment(lib,"x3daudio.lib")
#pragma comment(lib,"xapofx.lib")
#endif
#include <DirectXMath.h>
#pragma warning(push)
#pragma warning(disable : 4005)
#include <stdint.h>
#pragma warning(pop)
#include <functional>
#include <memory>
#include <string>
#include <vector>
#pragma warning(push)
#pragma warning(disable : 4481)
// VS 2010 considers 'override' to be a extension, but it's part of C++11 as of VS 2012
namespace DirectX
{
#if (DIRECTXMATH_VERSION < 305) && !defined(XM_CALLCONV)
#define XM_CALLCONV __fastcall
typedef const XMVECTOR& HXMVECTOR;
typedef const XMMATRIX& FXMMATRIX;
#endif
class SoundEffectInstance;
//----------------------------------------------------------------------------------
struct AudioStatistics
{
size_t playingOneShots; // Number of one-shot sounds currently playing
size_t playingInstances; // Number of sound effect instances currently playing
size_t allocatedInstances; // Number of SoundEffectInstance allocated
size_t allocatedVoices; // Number of XAudio2 voices allocated (standard, 3D, one-shots, and idle one-shots)
size_t allocatedVoices3d; // Number of XAudio2 voices allocated for 3D
size_t allocatedVoicesOneShot; // Number of XAudio2 voices allocated for one-shot sounds
size_t allocatedVoicesIdle; // Number of XAudio2 voices allocated for one-shot sounds but not currently in use
size_t audioBytes; // Total wave data (in bytes) in SoundEffects and in-memory WaveBanks
#if defined(_XBOX_ONE) && defined(_TITLE)
size_t xmaAudioBytes; // Total wave data (in bytes) in SoundEffects and in-memory WaveBanks allocated with ApuAlloc
#endif
};
//----------------------------------------------------------------------------------
class IVoiceNotify
{
public:
virtual void OnBufferEnd() = 0;
// Notfication that a voice buffer has finished
// Note this is called from XAudio2's worker thread, so it should perform very minimal and thread-safe operations
virtual void OnCriticalError() = 0;
// Notification that the audio engine encountered a critical error
virtual void OnReset() = 0;
// Notification of an audio engine reset
virtual void OnUpdate() = 0;
// Notification of an audio engine per-frame update (opt-in)
virtual void OnDestroyEngine() = 0;
// Notification that the audio engine is being destroyed
virtual void OnTrim() = 0;
// Notification of a request to trim the voice pool
virtual void GatherStatistics( AudioStatistics& stats ) const = 0;
// Contribute to statistics request
};
//----------------------------------------------------------------------------------
enum AUDIO_ENGINE_FLAGS
{
AudioEngine_Default = 0x0,
AudioEngine_EnvironmentalReverb = 0x1,
AudioEngine_ReverbUseFilters = 0x2,
AudioEngine_UseMasteringLimiter = 0x4,
AudioEngine_Debug = 0x10000,
AudioEngine_ThrowOnNoAudioHW = 0x20000,
AudioEngine_DisableVoiceReuse = 0x40000,
};
inline AUDIO_ENGINE_FLAGS operator|(AUDIO_ENGINE_FLAGS a, AUDIO_ENGINE_FLAGS b) { return static_cast<AUDIO_ENGINE_FLAGS>( static_cast<int>(a) | static_cast<int>(b) ); }
enum SOUND_EFFECT_INSTANCE_FLAGS
{
SoundEffectInstance_Default = 0x0,
SoundEffectInstance_Use3D = 0x1,
SoundEffectInstance_ReverbUseFilters = 0x2,
SoundEffectInstance_NoSetPitch = 0x4,
SoundEffectInstance_UseRedirectLFE = 0x10000,
};
inline SOUND_EFFECT_INSTANCE_FLAGS operator|(SOUND_EFFECT_INSTANCE_FLAGS a, SOUND_EFFECT_INSTANCE_FLAGS b) { return static_cast<SOUND_EFFECT_INSTANCE_FLAGS>( static_cast<int>(a) | static_cast<int>(b) ); }
enum AUDIO_ENGINE_REVERB
{
Reverb_Off,
Reverb_Default,
Reverb_Generic,
Reverb_Forest,
Reverb_PaddedCell,
Reverb_Room,
Reverb_Bathroom,
Reverb_LivingRoom,
Reverb_StoneRoom,
Reverb_Auditorium,
Reverb_ConcertHall,
Reverb_Cave,
Reverb_Arena,
Reverb_Hangar,
Reverb_CarpetedHallway,
Reverb_Hallway,
Reverb_StoneCorridor,
Reverb_Alley,
Reverb_City,
Reverb_Mountains,
Reverb_Quarry,
Reverb_Plain,
Reverb_ParkingLot,
Reverb_SewerPipe,
Reverb_Underwater,
Reverb_SmallRoom,
Reverb_MediumRoom,
Reverb_LargeRoom,
Reverb_MediumHall,
Reverb_LargeHall,
Reverb_Plate,
Reverb_MAX
};
enum SoundState
{
STOPPED = 0,
PLAYING,
PAUSED
};
//----------------------------------------------------------------------------------
class AudioEngine
{
public:
explicit AudioEngine( AUDIO_ENGINE_FLAGS flags = AudioEngine_Default, _In_opt_ const WAVEFORMATEX* wfx = nullptr, _In_opt_z_ const wchar_t* deviceId = nullptr,
AUDIO_STREAM_CATEGORY category = AudioCategory_GameEffects );
AudioEngine(AudioEngine&& moveFrom);
AudioEngine& operator= (AudioEngine&& moveFrom);
virtual ~AudioEngine();
bool Update();
// Performs per-frame processing for the audio engine, returns false if in 'silent mode'
bool Reset( _In_opt_ const WAVEFORMATEX* wfx = nullptr, _In_opt_z_ const wchar_t* deviceId = nullptr );
// Reset audio engine from critical error/silent mode using a new device; can also 'migrate' the graph
// Returns true if succesfully reset, false if in 'silent mode' due to no default device
// Note: One shots are lost, all SoundEffectInstances are in the STOPPED state after successful reset
void Suspend();
void Resume();
// Suspend/resumes audio processing (i.e. global pause/resume)
void SetReverb( AUDIO_ENGINE_REVERB reverb );
void SetReverb( _In_opt_ const XAUDIO2FX_REVERB_PARAMETERS* native );
// Sets environmental reverb for 3D positional audio (if active)
void SetMasteringLimit( int release, int loudness );
// Sets the mastering volume limiter properties (if active)
AudioStatistics GetStatistics() const;
// Gathers audio engine statistics
WAVEFORMATEXTENSIBLE GetOutputFormat() const;
// Returns the format consumed by the mastering voice (which is the same as the device output if defaults are used)
uint32_t GetChannelMask() const;
// Returns the output channel mask
int GetOutputChannels() const;
// Returns the number of output channels
bool IsAudioDevicePresent() const;
// Returns true if the audio graph is operating normally, false if in 'silent mode'
bool IsCriticalError() const;
// Returns true if the audio graph is halted due to a critical error (which also places the engine into 'silent mode')
// Voice pool management.
void SetDefaultSampleRate( int sampleRate );
// Sample rate for voices in the reuse pool (defaults to 44100)
void SetMaxVoicePool( size_t maxOneShots, size_t maxInstances );
// Maximum number of voices to allocate for one-shots and instances
// Note: one-shots over this limit are ignored; too many instance voices throws an exception
void TrimVoicePool();
// Releases any currently unused voices
void AllocateVoice( _In_ const WAVEFORMATEX* wfx, SOUND_EFFECT_INSTANCE_FLAGS flags, bool oneshot, _Outptr_result_maybenull_ IXAudio2SourceVoice** voice );
void DestroyVoice( _In_ IXAudio2SourceVoice* voice );
// Should only be called for instance voices, not one-shots
void RegisterNotify( _In_ IVoiceNotify* notify, bool usesUpdate );
void UnregisterNotify( _In_ IVoiceNotify* notify, bool usesOneShots, bool usesUpdate );
// XAudio2 interface access
IXAudio2* GetInterface() const;
IXAudio2MasteringVoice* GetMasterVoice() const;
IXAudio2SubmixVoice* GetReverbVoice() const;
X3DAUDIO_HANDLE& Get3DHandle() const;
struct RendererDetail
{
std::wstring deviceId;
std::wstring description;
};
static std::vector<RendererDetail> GetRendererDetails();
// Returns a list of valid audio endpoint devices
private:
// Private implementation.
class Impl;
std::unique_ptr<Impl> pImpl;
// Prevent copying.
AudioEngine(AudioEngine const&);
AudioEngine& operator= (AudioEngine const&);
};
//----------------------------------------------------------------------------------
class WaveBank
{
public:
WaveBank( _In_ AudioEngine* engine, _In_z_ const wchar_t* wbFileName );
WaveBank(WaveBank&& moveFrom);
WaveBank& operator= (WaveBank&& moveFrom);
virtual ~WaveBank();
void Play( int index );
void Play( _In_z_ const char* name );
std::unique_ptr<SoundEffectInstance> CreateInstance( int index, SOUND_EFFECT_INSTANCE_FLAGS flags = SoundEffectInstance_Default );
std::unique_ptr<SoundEffectInstance> CreateInstance( _In_z_ const char* name, SOUND_EFFECT_INSTANCE_FLAGS flags = SoundEffectInstance_Default );
bool IsPrepared() const;
bool IsInUse() const;
bool IsStreamingBank() const;
size_t GetSampleSizeInBytes( int index ) const;
// Returns size of wave audio data
size_t GetSampleDuration( int index ) const;
// Returns the duration in samples
size_t GetSampleDurationMS( int index ) const;
// Returns the duration in milliseconds
const WAVEFORMATEX* GetFormat( int index, _Out_writes_bytes_(maxsize) WAVEFORMATEX* wfx, size_t maxsize ) const;
int Find( _In_z_ const char* name ) const;
#if defined(_XBOX_ONE) || (_WIN32_WINNT < _WIN32_WINNT_WIN8)
bool FillSubmitBuffer( int index, _Out_ XAUDIO2_BUFFER& buffer, _Out_ XAUDIO2_BUFFER_WMA& wmaBuffer ) const;
#else
void FillSubmitBuffer( int index, _Out_ XAUDIO2_BUFFER& buffer ) const;
#endif
private:
// Private implementation.
class Impl;
std::unique_ptr<Impl> pImpl;
// Prevent copying.
WaveBank(WaveBank const&);
WaveBank& operator= (WaveBank const&);
// Private interface
void UnregisterInstance( _In_ SoundEffectInstance* instance );
friend class SoundEffectInstance;
};
//----------------------------------------------------------------------------------
class SoundEffect
{
public:
SoundEffect( _In_ AudioEngine* engine, _In_z_ const wchar_t* waveFileName );
SoundEffect( _In_ AudioEngine* engine, _Inout_ std::unique_ptr<uint8_t[]>& wavData,
_In_ const WAVEFORMATEX* wfx, _In_reads_bytes_(audioBytes) const uint8_t* startAudio, size_t audioBytes );
SoundEffect( _In_ AudioEngine* engine, _Inout_ std::unique_ptr<uint8_t[]>& wavData,
_In_ const WAVEFORMATEX* wfx, _In_reads_bytes_(audioBytes) const uint8_t* startAudio, size_t audioBytes,
uint32_t loopStart, uint32_t loopLength );
#if defined(_XBOX_ONE) || (_WIN32_WINNT < _WIN32_WINNT_WIN8)
SoundEffect( _In_ AudioEngine* engine, _Inout_ std::unique_ptr<uint8_t[]>& wavData,
_In_ const WAVEFORMATEX* wfx, _In_reads_bytes_(audioBytes) const uint8_t* startAudio, size_t audioBytes,
_In_reads_(seekCount) const uint32_t* seekTable, size_t seekCount );
#endif
SoundEffect(SoundEffect&& moveFrom);
SoundEffect& operator= (SoundEffect&& moveFrom);
virtual ~SoundEffect();
void Play();
std::unique_ptr<SoundEffectInstance> CreateInstance( SOUND_EFFECT_INSTANCE_FLAGS flags = SoundEffectInstance_Default );
bool IsInUse() const;
size_t GetSampleSizeInBytes() const;
// Returns size of wave audio data
size_t GetSampleDuration() const;
// Returns the duration in samples
size_t GetSampleDurationMS() const;
// Returns the duration in milliseconds
const WAVEFORMATEX* GetFormat() const;
#if defined(_XBOX_ONE) || (_WIN32_WINNT < _WIN32_WINNT_WIN8)
bool FillSubmitBuffer( _Out_ XAUDIO2_BUFFER& buffer, _Out_ XAUDIO2_BUFFER_WMA& wmaBuffer ) const;
#else
void FillSubmitBuffer( _Out_ XAUDIO2_BUFFER& buffer ) const;
#endif
private:
// Private implementation.
class Impl;
std::unique_ptr<Impl> pImpl;
// Prevent copying.
SoundEffect(SoundEffect const&);
SoundEffect& operator= (SoundEffect const&);
// Private interface
void UnregisterInstance( _In_ SoundEffectInstance* instance );
friend class SoundEffectInstance;
};
//----------------------------------------------------------------------------------
struct AudioListener : public X3DAUDIO_LISTENER
{
AudioListener()
{
memset( this, 0, sizeof(X3DAUDIO_LISTENER) );
OrientFront.z =
OrientTop.y = 1.f;
}
void XM_CALLCONV SetPosition( FXMVECTOR v )
{
XMStoreFloat3( reinterpret_cast<XMFLOAT3*>( &Position ), v );
}
void SetPosition( const XMFLOAT3& pos )
{
Position.x = pos.x;
Position.y = pos.y;
Position.z = pos.z;
}
void XM_CALLCONV SetVelocity( FXMVECTOR v )
{
XMStoreFloat3( reinterpret_cast<XMFLOAT3*>( &Velocity ), v );
}
void SetVelocity( const XMFLOAT3& vel )
{
Velocity.x = vel.x;
Velocity.y = vel.y;
Velocity.z = vel.z;
}
void XM_CALLCONV SetOrientation( FXMVECTOR forward, FXMVECTOR up )
{
XMStoreFloat3( reinterpret_cast<XMFLOAT3*>( &OrientFront ), forward );
XMStoreFloat3( reinterpret_cast<XMFLOAT3*>( &OrientTop ), up );
}
void SetOrientation( const XMFLOAT3& forward, const XMFLOAT3& up )
{
OrientFront.x = forward.x; OrientTop.x = up.x;
OrientFront.y = forward.y; OrientTop.y = up.y;
OrientFront.z = forward.z; OrientTop.z = up.z;
}
void XM_CALLCONV SetOrientationFromQuaternion( FXMVECTOR quat )
{
XMVECTOR forward = XMVector3Rotate( g_XMIdentityR2, quat );
XMStoreFloat3( reinterpret_cast<XMFLOAT3*>( &OrientFront ), forward );
XMVECTOR up = XMVector3Rotate( g_XMIdentityR1, quat );
XMStoreFloat3( reinterpret_cast<XMFLOAT3*>( &OrientTop ), up );
}
void XM_CALLCONV Update( FXMVECTOR newPos, XMVECTOR upDir, float dt )
// Updates velocity and orientation by tracking changes in position over time...
{
if ( dt > 0.f )
{
XMVECTOR lastPos = XMLoadFloat3( reinterpret_cast<const XMFLOAT3*>( &Position ) );
XMVECTOR vDelta = ( newPos - lastPos );
XMVECTOR v = vDelta / dt;
XMStoreFloat3( reinterpret_cast<XMFLOAT3*>( &Velocity ), v );
vDelta = XMVector3Normalize( vDelta );
XMStoreFloat3( reinterpret_cast<XMFLOAT3*>( &OrientFront ), vDelta );
v = XMVector3Cross( upDir, vDelta );
v = XMVector3Normalize( v );
v = XMVector3Cross( vDelta, v );
v = XMVector3Normalize( v );
XMStoreFloat3( reinterpret_cast<XMFLOAT3*>( &OrientTop ), v );
XMStoreFloat3( reinterpret_cast<XMFLOAT3*>( &Position ), newPos );
}
}
};
//----------------------------------------------------------------------------------
struct AudioEmitter : public X3DAUDIO_EMITTER
{
float EmitterAzimuths[XAUDIO2_MAX_AUDIO_CHANNELS];
AudioEmitter()
{
memset( this, 0, sizeof(X3DAUDIO_EMITTER) );
memset( EmitterAzimuths, 0, sizeof(EmitterAzimuths) );
OrientFront.z =
OrientTop.y =
ChannelRadius =
CurveDistanceScaler =
DopplerScaler = 1.f;
ChannelCount = 1;
pChannelAzimuths = EmitterAzimuths;
InnerRadiusAngle = X3DAUDIO_PI / 4.0f;
}
void XM_CALLCONV SetPosition( FXMVECTOR v )
{
XMStoreFloat3( reinterpret_cast<XMFLOAT3*>( &Position ), v );
}
void SetPosition( const XMFLOAT3& pos )
{
Position.x = pos.x;
Position.y = pos.y;
Position.z = pos.z;
}
void XM_CALLCONV SetVelocity( FXMVECTOR v )
{
XMStoreFloat3( reinterpret_cast<XMFLOAT3*>( &Velocity ), v );
}
void SetVelocity( const XMFLOAT3& vel )
{
Velocity.x = vel.x;
Velocity.y = vel.y;
Velocity.z = vel.z;
}
void XM_CALLCONV SetOrientation( FXMVECTOR forward, FXMVECTOR up )
{
XMStoreFloat3( reinterpret_cast<XMFLOAT3*>( &OrientFront ), forward );
XMStoreFloat3( reinterpret_cast<XMFLOAT3*>( &OrientTop ), up );
}
void SetOrientation( const XMFLOAT3& forward, const XMFLOAT3& up )
{
OrientFront.x = forward.x; OrientTop.x = up.x;
OrientFront.y = forward.y; OrientTop.y = up.y;
OrientFront.z = forward.z; OrientTop.z = up.z;
}
void XM_CALLCONV SetOrientationFromQuaternion( FXMVECTOR quat )
{
XMVECTOR forward = XMVector3Rotate( g_XMIdentityR2, quat );
XMStoreFloat3( reinterpret_cast<XMFLOAT3*>( &OrientFront ), forward );
XMVECTOR up = XMVector3Rotate( g_XMIdentityR1, quat );
XMStoreFloat3( reinterpret_cast<XMFLOAT3*>( &OrientTop ), up );
}
void XM_CALLCONV Update( FXMVECTOR newPos, XMVECTOR upDir, float dt )
// Updates velocity and orientation by tracking changes in position over time...
{
if ( dt > 0.f )
{
XMVECTOR lastPos = XMLoadFloat3( reinterpret_cast<const XMFLOAT3*>( &Position ) );
XMVECTOR vDelta = ( newPos - lastPos );
XMVECTOR v = vDelta / dt;
XMStoreFloat3( reinterpret_cast<XMFLOAT3*>( &Velocity ), v );
vDelta = XMVector3Normalize( vDelta );
XMStoreFloat3( reinterpret_cast<XMFLOAT3*>( &OrientFront ), vDelta );
v = XMVector3Cross( upDir, vDelta );
v = XMVector3Normalize( v );
v = XMVector3Cross( vDelta, v );
v = XMVector3Normalize( v );
XMStoreFloat3( reinterpret_cast<XMFLOAT3*>( &OrientTop ), v );
XMStoreFloat3( reinterpret_cast<XMFLOAT3*>( &Position ), newPos );
}
}
};
//----------------------------------------------------------------------------------
class SoundEffectInstance
{
public:
SoundEffectInstance(SoundEffectInstance&& moveFrom);
SoundEffectInstance& operator= (SoundEffectInstance&& moveFrom);
virtual ~SoundEffectInstance();
void Play( bool loop = false );
void Stop( bool immediate = true );
void Pause();
void Resume();
void SetVolume( float volume );
void SetPitch( float pitch );
void SetPan( float pan );
void Apply3D( const AudioListener& listener, const AudioEmitter& emitter );
bool IsLooped() const;
SoundState GetState();
// Notifications.
void OnDestroyParent();
private:
// Private implementation.
class Impl;
std::unique_ptr<Impl> pImpl;
// Private constructors
SoundEffectInstance( _In_ AudioEngine* engine, _In_ SoundEffect* effect, SOUND_EFFECT_INSTANCE_FLAGS flags );
SoundEffectInstance( _In_ AudioEngine* engine, _In_ WaveBank* effect, int index, SOUND_EFFECT_INSTANCE_FLAGS flags );
friend std::unique_ptr<SoundEffectInstance> SoundEffect::CreateInstance( SOUND_EFFECT_INSTANCE_FLAGS );
friend std::unique_ptr<SoundEffectInstance> WaveBank::CreateInstance( int, SOUND_EFFECT_INSTANCE_FLAGS );
// Prevent copying.
SoundEffectInstance(SoundEffectInstance const&);
SoundEffectInstance& operator= (SoundEffectInstance const&);
};
//----------------------------------------------------------------------------------
class DynamicSoundEffectInstance
{
public:
DynamicSoundEffectInstance( _In_ AudioEngine* engine,
_In_opt_ std::function<void(DynamicSoundEffectInstance*)> bufferNeeded,
int sampleRate, int channels, int sampleBits = 16,
SOUND_EFFECT_INSTANCE_FLAGS flags = SoundEffectInstance_Default );
DynamicSoundEffectInstance(DynamicSoundEffectInstance&& moveFrom);
DynamicSoundEffectInstance& operator= (DynamicSoundEffectInstance&& moveFrom);
virtual ~DynamicSoundEffectInstance();
void Play();
void Stop( bool immediate = true );
void Pause();
void Resume();
void SetVolume( float volume );
void SetPitch( float pitch );
void SetPan( float pan );
void Apply3D( const AudioListener& listener, const AudioEmitter& emitter );
void SubmitBuffer( _In_reads_bytes_(audioBytes) const uint8_t* pAudioData, size_t audioBytes );
void SubmitBuffer( _In_reads_bytes_(audioBytes) const uint8_t* pAudioData, uint32_t offset, size_t audioBytes );
SoundState GetState();
size_t GetSampleDuration( size_t bytes ) const;
// Returns duration in samples of a buffer of a given size
size_t GetSampleDurationMS( size_t bytes ) const;
// Returns duration in milliseconds of a buffer of a given size
size_t GetSampleSizeInBytes( uint64_t duration ) const;
// Returns size of a buffer for a duration given in milliseconds
int GetPendingBufferCount() const;
const WAVEFORMATEX* GetFormat() const;
private:
// Private implementation.
class Impl;
std::unique_ptr<Impl> pImpl;
// Prevent copying.
DynamicSoundEffectInstance(DynamicSoundEffectInstance const&);
DynamicSoundEffectInstance& operator= (DynamicSoundEffectInstance const&);
};
}
#pragma warning(pop)
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