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