Leaked source code of windows server 2003
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/////////////////////////////////////////////////////////////////////
//
// Module: tssnd.h
//
// Copyright(C) Microsoft Corporation 2000
//
// History: 4-10-2000 vladimis [created]
//
/////////////////////////////////////////////////////////////////////
#ifndef _TSSND_H
#define _TSSND_H
//
// Includes
//
#include <nt.h>
#include <ntrtl.h>
#include <nturtl.h>
#include <windows.h>
#include <mmsystem.h>
#include <mmreg.h>
#include <mmddk.h>
#include <winsock.h>
#include "rdpstrm.h"
//
// Defines
//
#undef ASSERT
#ifdef DBG
#define TRC _DebugMessage
#define ASSERT(_x_) if (!(_x_)) \
{ TRC(FATAL, "ASSERT failed, line %d, file %s\n", \
__LINE__, __FILE__); DebugBreak(); }
#else // !DBG
#define TRC
#define ASSERT
#endif // !DBG
#define TSHEAPINIT {g_hHeap = HeapCreate(0, 800, 0);}
#define TSISHEAPOK (NULL != g_hHeap)
#define TSMALLOC(_x_) HeapAlloc(g_hHeap, 0, _x_)
#define TSREALLOC(_p_, _x_) \
HeapReAlloc(g_hHeap, 0, _p_, _x_);
#define TSFREE(_p_) HeapFree(g_hHeap, 0, _p_)
#define TSHEAPDESTROY { HeapDestroy(g_hHeap); g_hHeap = 0; }
#define TSSND_DRIVER_VERSION 1
#define IDS_DRIVER_NAME 101
#define IDS_VOLUME_NAME 102
//
// Constants
//
extern const CHAR *ALV;
extern const CHAR *INF;
extern const CHAR *WRN;
extern const CHAR *ERR;
extern const CHAR *FATAL;
//
// Structures
//
typedef struct _WAVEOUTCTX {
HANDLE hWave; // handle passed by the user
DWORD_PTR dwOpenFlags; //
DWORD_PTR dwCallback; // callback parmeter
DWORD_PTR dwInstance; // user's instance
DWORD dwSamples; // samples played
DWORD dwBytesPerSample; //
DWORD dwXlateRate; //
BOOL bPaused; // is the stream paused
BOOL bDelayed;
VOID (*lpfnPlace)(PVOID, PVOID, DWORD); // mixer fn
BYTE cLastStreamPosition; // last position in the stream
DWORD dwLastStreamOffset; //
DWORD dwLastHeaderOffset; //
DWORD Format_nBlockAlign; // current format params
DWORD Format_nAvgBytesPerSec;
DWORD Format_nChannels;
HANDLE hNoDataEvent; // signaled when all blocks are done
LONG lNumberOfBlocksPlaying; // number of blocks in the queue
PWAVEHDR pFirstWaveHdr; // block list
PWAVEHDR pFirstReadyHdr; // list of done blocks
PWAVEHDR pLastReadyHdr;
struct _WAVEOUTCTX *lpNext;
} WAVEOUTCTX, *PWAVEOUTCTX;
//
// mixer context
//
typedef struct _MIXERCTX {
PVOID pReserved;
} MIXERCTX, *PMIXERCTX;
//
// Internal function definitions
//
//
// Trace
//
VOID
_cdecl
_DebugMessage(
LPCSTR szLevel,
LPCSTR szFormat,
...
);
//
// Threads
//
DWORD
WINAPI
waveMixerThread(
PVOID pParam
);
LRESULT
drvEnable(
VOID
);
LRESULT
drvDisable(
VOID
);
BOOL
_waveCheckSoundAlive(
VOID
);
BOOL
_waveAcquireStream(
VOID
);
HANDLE
_CreateInitEvent(
VOID
);
BOOL
_EnableMixerThread(
VOID
);
BOOL
AudioRedirDisabled(
VOID
);
//
// Globals
//
extern HANDLE g_hHeap; // private heap
extern HINSTANCE g_hDllInst;
extern CRITICAL_SECTION g_cs;
extern HANDLE g_hMixerEvent;
extern HANDLE g_hMixerThread;
extern HANDLE g_hWaitToInitialize;
extern HANDLE g_hDataReadyEvent;
extern HANDLE g_hStreamIsEmptyEvent;
extern HANDLE g_hStreamMutex;
extern HANDLE g_hStream;
extern PSNDSTREAM g_Stream;
extern BOOL g_bMixerRunning;
extern BOOL g_bPersonalTS;
#endif // !_TSSND_H