307 lines
13 KiB
C
307 lines
13 KiB
C
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// Copyright (c) 1998-1999 Microsoft Corporation
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// DMSStObj.h : Declaration of the CSegState
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#ifndef __AUDIOPATH_H_
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#define __AUDIOPATH_H_
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#include "dmusici.h"
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#include "dmusicf.h"
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#include "TrkList.h"
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#include "alist.h"
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#include "..\shared\dmstrm.h"
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#include "dmscriptautguids.h"
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#include "..\shared\dmusiccp.h"
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class CPerformance;
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class CSegState;
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class CGraph;
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class CAudioPathConfig;
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class CBufferConfig;
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struct IDirectSoundConnect;
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class CBufferNode : public AListItem
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{
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friend class CBufferManager;
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friend class CAudioPath;
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public:
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CBufferNode();
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~CBufferNode();
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ULONG AddRef();
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ULONG Release();
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IDirectSoundBuffer *GetBuffer() { if (m_pBuffer) m_pBuffer->AddRef(); return m_pBuffer;}
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HRESULT Activate(BOOL fActivate);
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private:
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void FinalDeactivate();
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CBufferNode* GetNext() { return (CBufferNode*)AListItem::GetNext();}
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IDirectSoundBuffer * m_pBuffer; // DSound buffer that this manages.
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DMUS_IO_BUFFER_ATTRIBUTES_HEADER m_BufferHeader; // GUID that identifies this buffer and flags (can it be shared?).
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CBufferManager * m_pManager; // Pointer to parent list.
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long m_lActivateCount; // How many times this has been activated.
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long m_cRef; // How many objects point at this.
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};
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class CBufferManager : public AList
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{
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public:
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CBufferManager();
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~CBufferManager() ;
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HRESULT Init(CPerformance *pPerf, DMUS_AUDIOPARAMS *pAudioParams) ;
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HRESULT InitSink();
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void AddHead(CBufferNode* pBufferNode) { AList::AddHead((AListItem*)pBufferNode);}
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CBufferNode* GetHead(){return (CBufferNode*)AList::GetHead();}
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CBufferNode* RemoveHead() {return (CBufferNode *) AList::RemoveHead();}
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void Remove(CBufferNode* pBufferNode){AList::Remove((AListItem*)pBufferNode);}
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void AddTail(CBufferNode* pBufferNode){AList::AddTail((AListItem*)pBufferNode);}
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void Clear();
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void FinalDeactivate();
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CBufferNode * GetBufferNode(REFGUID guidBufferID);
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HRESULT CreateBuffer(CBufferConfig *pConfig, CBufferConfig **pNew);
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private:
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CPerformance *m_pPerf; // Pointer to parent performance.
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CBufferConfig *m_pFirstBuffer; // Actual buffer created by config.
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public:
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IDirectSoundConnect* m_pSinkConnect; // The sink object which manages creation of buffers in dsound.
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IDirectSoundSynthSink *m_pSynthSink; // Used to activate sink.
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DMUS_AUDIOPARAMS m_AudioParams;
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};
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#define BUFFER_REVERB 1
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#define BUFFER_ENVREVERB 2
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#define BUFFER_3D 3
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#define BUFFER_3D_DRY 4
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#define BUFFER_MONO 6
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#define BUFFER_STEREO 7
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#define BUFFER_MUSIC 8
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DEFINE_GUID(GUID_Buffer_Primary,0x186cc544, 0xdb29, 0x11d3, 0x9b, 0xd1, 0x0, 0x80, 0xc7, 0x15, 0xa, 0x74);
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#define DMUS_BUFFERF_PRIMARY 4 // This buffer flag is a private definition.
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#define DMUS_STANDARD_PATH_DX7 20 // This is for internal use only.
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#define MAX_CONNECTIONS 32 // Maximum of 32 buffers connected to one PChannel.
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class CBufferConfig : public AListItem
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{
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public:
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CBufferConfig(DWORD dwType) ;
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~CBufferConfig();
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void DecideType(); // Looks at embedded GUID and infers default type, if one exists.
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HRESULT Load(IStream *pStream);
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CBufferConfig* GetNext() { return (CBufferConfig*)AListItem::GetNext();}
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IUnknown * m_pBufferConfig; // Buffer definition.
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CBufferNode * m_pBufferNode; // Manages the DSound buffer.
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DMUS_IO_BUFFER_ATTRIBUTES_HEADER m_BufferHeader; // GUID that identifies this buffer and flags.
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DWORD m_dwStandardBufferID;// Optionally, one of the standard buffer types.
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HRESULT Activate(BOOL fActivate);
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};
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class CBufferConfigList : public AList
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{
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public:
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void AddHead(CBufferConfig* pBufferConfig) { AList::AddHead((AListItem*)pBufferConfig);}
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CBufferConfig* GetHead(){return (CBufferConfig*)AList::GetHead();}
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CBufferConfig* RemoveHead() {return (CBufferConfig *) AList::RemoveHead();}
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void Remove(CBufferConfig* pBufferConfig){AList::Remove((AListItem*)pBufferConfig);}
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void AddTail(CBufferConfig* pBufferConfig){AList::AddTail((AListItem*)pBufferConfig);}
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void Clear();
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CBufferNode * GetBufferNode(REFGUID guidBufferID);
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HRESULT CreateRunTimeVersion(CBufferConfigList *pCopy, CBufferManager *pManager);
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HRESULT Activate(BOOL fActivate);
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};
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class CPortConfig;
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class CBufferConnect : public AListItem
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{
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public:
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CBufferConnect() ;
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~CBufferConnect();
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CBufferConnect *CreateRunTimeVersion(CPortConfig *pParent);
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HRESULT Load(CRiffParser *pParser);
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CBufferConnect* GetNext() { return (CBufferConnect*)AListItem::GetNext();}
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DMUS_IO_PCHANNELTOBUFFER_HEADER m_ConnectHeader;
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GUID * m_pguidBufferIDs;// Set of guids identifying buffers to connect to.
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CBufferNode ** m_ppBufferNodes; // Array of equivalent Buffer nodes.
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};
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class CBufferConnectList : public AList
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{
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public:
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void AddHead(CBufferConnect* pBufferConnect) { AList::AddHead((AListItem*)pBufferConnect);}
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CBufferConnect* GetHead(){return (CBufferConnect*)AList::GetHead();}
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CBufferConnect* RemoveHead() {return (CBufferConnect *) AList::RemoveHead();}
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void Remove(CBufferConnect* pBufferConnect){AList::Remove((AListItem*)pBufferConnect);}
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void AddTail(CBufferConnect* pBufferConnect){AList::AddTail((AListItem*)pBufferConnect);}
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HRESULT CreateRunTimeVersion(CBufferConnectList *pDestination, CPortConfig *pParent);
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void Clear();
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};
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class CAudioPath;
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class CPortConfig : public AListItem
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{
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public:
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CPortConfig() ;
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~CPortConfig();
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HRESULT CreateRunTimeVersion(CPortConfig ** ppCopy, CAudioPath *pParent,CBufferManager *pManager);
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CPortConfig* GetNext() { return (CPortConfig*)AListItem::GetNext();}
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CBufferNode * GetBufferNode(REFGUID guidBuffer);
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HRESULT Activate(BOOL fActivate);
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HRESULT CPortConfig::Load(CRiffParser *pParser);
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DMUS_IO_PORTCONFIG_HEADER m_PortHeader; // Port configuration header, from file.
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DMUS_PORTPARAMS8 m_PortParams; // Port params for opening the port, also from file.
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DWORD m_dwPortID; // Used to track the index of a created port, once connecting.
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CBufferConnectList m_BufferConnectList; // Pchannel to buffer mappings.
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CBufferConfigList m_BufferConfigList; // List of dsound buffer configurations.
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CAudioPath * m_pParent; // Parent audio path.
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IDirectMusicPort * m_pPort; // Pointer to port, if run time version.
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BOOL m_fAlreadyHere; // Check for recursive case looking for buffer nodes.
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};
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class CPortConfigList : public AList
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{
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public:
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void AddHead(CPortConfig* pPortConfig) { AList::AddHead((AListItem*)pPortConfig);}
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CPortConfig* GetHead(){return (CPortConfig*)AList::GetHead();}
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CPortConfig* RemoveHead() {return (CPortConfig *) AList::RemoveHead();}
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void Remove(CPortConfig* pPortConfig){AList::Remove((AListItem*)pPortConfig);}
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void AddTail(CPortConfig* pPortConfig){AList::AddTail((AListItem*)pPortConfig);}
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HRESULT CreateRunTimeVersion(CPortConfigList *pDestination,CAudioPath *pParent,CBufferManager *pManager);
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void Clear();
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HRESULT Activate(BOOL fActivate);
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BOOL UsesPort(IDirectMusicPort *pPort);
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};
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class CAudioPath;
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DEFINE_GUID(IID_CAudioPath,0xb06c0c23, 0xd3c7, 0x11d3, 0x9b, 0xd1, 0x44, 0x45, 0x53, 0x54, 0x0, 0x0);
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/* The AudioPath represents a configuration of pchannels, ports, and buffers to play
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segments. The performance creates CAudioPath objects from CAudioPathConfig file
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objects and stores them in a linked list, which it uses to keep track of them.
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*/
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class CAudioPath :
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public IDirectMusicAudioPath,
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public IDirectMusicGraph,
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public AListItem
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{
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public:
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CAudioPath();
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~CAudioPath();
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CAudioPath* GetNext() { return (CAudioPath*)AListItem::GetNext();}
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// IUnknown
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STDMETHODIMP QueryInterface(const IID &iid, void **ppv);
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STDMETHODIMP_(ULONG) AddRef();
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STDMETHODIMP_(ULONG) Release();
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// IDirectMusicAudioPath
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STDMETHODIMP GetObjectInPath( DWORD dwPChannel,DWORD dwStage,DWORD dwBuffer, REFGUID guidObject,
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DWORD dwIndex,REFGUID iidInterface, void ** ppObject);
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STDMETHODIMP Activate(BOOL fActivate) ;
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STDMETHODIMP SetVolume(long lVolume,DWORD dwDuration) ;
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STDMETHODIMP ConvertPChannel( DWORD dwPChannelIn,DWORD *pdwPChannelOut) ;
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// IDirectMusicGraph
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STDMETHODIMP Shutdown();
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STDMETHODIMP InsertTool(IDirectMusicTool *pTool,DWORD *pdwPChannels,DWORD cPChannels,LONG lIndex);
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STDMETHODIMP GetTool(DWORD,IDirectMusicTool**);
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STDMETHODIMP RemoveTool(IDirectMusicTool*);
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STDMETHODIMP StampPMsg(DMUS_PMSG* pEvent);
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HRESULT Init(IUnknown *pSourceConfig,CPerformance *pPerf);
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HRESULT ConnectToPorts(CPerformance *pPerf,DWORD dwSampleRate);
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CBufferNode * GetBufferNode(REFGUID guidBuffer);
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void SetGraph(CGraph *pGraph);
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CGraph *GetGraph();
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void Deactivate();
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BOOL IsActive() { return m_fActive; }
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BOOL NoPorts() { return m_PortConfigList.IsEmpty(); }
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BOOL UsesPort(IDirectMusicPort *pPort) { return m_PortConfigList.UsesPort(pPort); }
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private:
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BOOL m_fDeactivating; // State variable.
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BYTE m_bLastVol; // Last volume change.
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CRITICAL_SECTION m_CriticalSection;
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BOOL m_fActive; // Indicates that the audio path is active.
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long m_cRef; // Reference counter.
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DWORD * m_pdwVChannels; // Array of source VChannels.
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DWORD * m_pdwPChannels; // Array of destination PChannels.
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DWORD m_dwChannelCount; // Size of arrays.
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CGraph * m_pGraph; // Route tool graph.
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CPerformance * m_pPerformance; // Pointer to performance, needed to release PChannels.
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CAudioPathConfig * m_pConfig; // Source configuration.
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CPortConfigList m_PortConfigList; // List of port definitions (copied from source.)
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CBufferConfigList m_BufferConfigList; // List of DSound buffers connected to the ports.
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IUnknown * m_pUnkDispatch; // holds the controlling unknown of the scripting object that implements IDispatch
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};
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class CAudioPathList : public AList
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{
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public:
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void Clear();
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void AddHead(CAudioPath* pAudioPath) { AList::AddHead((AListItem*)pAudioPath);}
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CAudioPath* GetHead(){return (CAudioPath*)AList::GetHead();}
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CAudioPath* RemoveHead() {return (CAudioPath *) AList::RemoveHead();}
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void Remove(CAudioPath* pAudioPath){AList::Remove((AListItem*)pAudioPath);}
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void AddTail(CAudioPath* pAudioPath){AList::AddTail((AListItem*)pAudioPath);}
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BOOL IsMember(CAudioPath* pAudioPath){return AList::IsMember((AListItem*)pAudioPath);}
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BOOL UsesPort(IDirectMusicPort *pPort);
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CBufferNode * GetBufferNode(REFGUID guidBufferID);
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};
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DEFINE_GUID(IID_CAudioPathConfig,0xe9874261, 0xab52, 0x11d3, 0x9b, 0xd1, 0x44, 0x45, 0x53, 0x54, 0x0, 0x0);
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class CAudioPathConfig :
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public IPersistStream,
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public IDirectMusicObject
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{
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friend class CAudioPath;
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public:
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CAudioPathConfig();
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~CAudioPathConfig();
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static CAudioPathConfig *CreateStandardConfig(DWORD dwType,DWORD dwPChannelCount,DWORD dwSampleRate);
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// IUnknown
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STDMETHODIMP QueryInterface(const IID &iid, void **ppv);
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STDMETHODIMP_(ULONG) AddRef();
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STDMETHODIMP_(ULONG) Release();
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// IPersist functions
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STDMETHODIMP GetClassID( CLSID* pClsId );
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// IPersistStream functions
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STDMETHODIMP IsDirty();
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STDMETHODIMP Load( IStream* pIStream );
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STDMETHODIMP Save( IStream* pIStream, BOOL fClearDirty );
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STDMETHODIMP GetSizeMax( ULARGE_INTEGER FAR* pcbSize );
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// IDirectMusicObject
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STDMETHODIMP GetDescriptor(LPDMUS_OBJECTDESC pDesc);
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STDMETHODIMP SetDescriptor(LPDMUS_OBJECTDESC pDesc);
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STDMETHODIMP ParseDescriptor(LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc);
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HRESULT Load( CRiffParser *pParser);
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protected:
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CGraph * m_pGraph; // Audio path tool graph.
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CPortConfigList m_PortConfigList; // List of port definitions.
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CBufferConfigList m_BufferConfigList; // List of global dsound buffer configurations.
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CRITICAL_SECTION m_CriticalSection;
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long m_cRef;
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DWORD m_fPartialLoad;
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// IDirectMusicObject variables
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DWORD m_dwValidData;
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GUID m_guidObject;
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FILETIME m_ftDate; /* Last edited date of object. */
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DMUS_VERSION m_vVersion; /* Version. */
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WCHAR m_wszName[DMUS_MAX_NAME]; /* Name of object. */
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WCHAR m_wszCategory[DMUS_MAX_CATEGORY]; /* Category for object */
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WCHAR m_wszFileName[DMUS_MAX_FILENAME]; /* File path. */
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IUnknown * m_pUnkDispatch; // holds the controlling unknown of the scripting object that implements IDispatch
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};
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#endif // __AUDIOPATH_H_
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