winamp/Src/Plugins/Library/ml_plg/IDScanner.h

97 lines
2.5 KiB
C++

#ifndef NULLSOFT_ML_PLG_IDSCANNER_H
#define NULLSOFT_ML_PLG_IDSCANNER_H
#include "../gracenote/gracenote.h"
#include <api/syscb/callbacks/svccb.h>
#include <api/syscb/api_syscb.h>
#include "../ml_local/api_mldb.h"
//#include "../nu/lockfreestack.h"
// Regular declarations
struct ProcessItem
{
wchar_t *filename;
ProcessItem *next;
};
class IDScanner : public _ICDDBMusicIDManagerEvents, public SysCallback
{
public:
IDScanner();
~IDScanner();
void ScanDatabase();
bool GetStatus(long *state, long *track, long *tracks);
void Kill() { killswitch=1; }
void Shutdown();
// Processing data for step 4
//LockFreeStack<ProcessItem> process_items;
// Thread functions
static int MLDBFileAddedOnThread(HANDLE handle, void *user_data, intptr_t id);
static int MLDBFileRemovedOnThread(HANDLE handle, void *user_data, intptr_t id);
static int MLDBClearedOnThread(HANDLE handle, void *user_data, intptr_t id);
static int Pass2OnThread(HANDLE handle, void *user_data, intptr_t id);
int ProcessStackItems(void);
enum
{
STATE_ERROR = -1,
STATE_IDLE = 0,
STATE_INITIALIZING=1,
STATE_SYNC = 2,
STATE_METADATA = 3,
STATE_MUSICID = 4,
STATE_DONE = 5,
};
private:
// *** IUnknown Methods ***
STDMETHOD(QueryInterface)(REFIID riid, PVOID *ppvObject);
STDMETHOD_(ULONG, AddRef)(void);
STDMETHOD_(ULONG, Release)(void);
// *** IDispatch Methods ***
STDMETHOD (GetIDsOfNames)(REFIID riid, OLECHAR FAR* FAR* rgszNames, unsigned int cNames, LCID lcid, DISPID FAR* rgdispid);
STDMETHOD (GetTypeInfo)(unsigned int itinfo, LCID lcid, ITypeInfo FAR* FAR* pptinfo);
STDMETHOD (GetTypeInfoCount)(unsigned int FAR * pctinfo);
STDMETHOD (Invoke)(DISPID dispid, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, EXCEPINFO FAR * pexecinfo, unsigned int FAR *puArgErr);
// *** Sys callback ***
api_syscb *systemCallbacks;
FOURCC GetEventType();
int notify(int msg, intptr_t param1, intptr_t param2);
static void DebugCallbackMessage(const intptr_t text, const wchar_t *message);
// *** ***
void Pass1();
void Pass2();
// *** Helper functions ***
bool SetupMusicID();
void CommitFileInfo(ICddbFileInfo *match);
void SetGracenoteData(BSTR filename, BSTR tagId, BSTR extData); // extData can be NULL
// *** Data ***
ICDDBMusicIDManager3 *musicID;
volatile int killswitch;
volatile long filesComplete, filesTotal;
volatile long state;
DWORD m_dwCookie;
bool syscb_registered;
protected:
RECVS_DISPATCH;
};
IConnectionPoint *GetConnectionPoint(IUnknown *punk, REFIID riid);
#endif