| 1 | /* $Id: dwavestrm.hpp 178 2001-04-30 21:08:00Z sandervl $ */
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| 2 |
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| 3 | /* SCCSID = %W% %E% */
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| 4 | /****************************************************************************
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| 5 | * *
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| 6 | * Copyright (c) IBM Corporation 1994 - 1997. *
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| 7 | * *
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| 8 | * The following IBM OS/2 source code is provided to you solely for the *
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| 9 | * the purpose of assisting you in your development of OS/2 device drivers. *
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| 10 | * You may use this code in accordance with the IBM License Agreement *
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| 11 | * provided in the IBM Device Driver Source Kit for OS/2. *
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| 12 | * *
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| 13 | ****************************************************************************/
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| 14 | /**@internal %W%
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| 15 | * Defines, class definations and prototypes for
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| 16 | * @version %I%
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| 17 | * @context Unless otherwise noted, all interfaces are Ring-0, 16-bit,
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| 18 | * <stack context>.
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| 19 | * @history
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| 20 | *
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| 21 | */
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| 22 | #ifndef DWAVESTREAM_INCLUDED
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| 23 | #define DWAVESTREAM_INCLUDED
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| 24 |
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| 25 | #ifndef OS2_INCLUDED
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| 26 | #define INCL_NOPMAPI
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| 27 | #include <os2.h>
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| 28 | #include <os2medef.h>
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| 29 | #include <audio.h>
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| 30 | #endif
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| 31 |
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| 32 | #include "stream.hpp"
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| 33 | #include "wavestrm.hpp"
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| 34 | #include "waudio.hpp"
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| 35 | #include "strmbuff.hpp"
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| 36 |
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| 37 | extern "C" {
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| 38 | void HookHandlerAsm();
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| 39 | void cdecl HookHandler(ULONG ulSysFileNum);
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| 40 | }
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| 41 |
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| 42 | class DWAVESTREAM : public WAVESTREAM {
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| 43 |
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| 44 | public:
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| 45 | virtual ULONG Write(PSTREAMBUF, ULONG, BOOL fLooping = 0);
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| 46 | virtual ULONG Register(PDDCMDREGISTER);
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| 47 | virtual void DeRegister(void);
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| 48 | virtual ULONG StartStream();
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| 49 |
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| 50 | DWAVESTREAM(ULONG streamtype, LPMCI_AUDIO_INIT pinit, USHORT filesysnum);
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| 51 | virtual ~DWAVESTREAM();
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| 52 |
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| 53 | BOOL IsEverythingOk() { return (fError == FALSE); };
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| 54 |
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| 55 | virtual BOOL SetProperty(int type, ULONG value, ULONG reserved = 0);
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| 56 | virtual ULONG GetProperty(int type);
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| 57 |
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| 58 | private:
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| 59 | virtual void ReturnBuffer(void); // returns one buffer
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| 60 |
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| 61 | virtual void AddBuffers(BOOL fFirst); // Initialize the audio buffer object
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| 62 |
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| 63 | QUEUEHEAD qhReturn; //queue with buffers to be returned
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| 64 | ULONG hCtxHook;
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| 65 | ULONG hSem;
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| 66 | BOOL fError;
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| 67 |
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| 68 | friend void cdecl HookHandler(ULONG ulSysFileNum);
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| 69 | };
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| 70 | typedef DWAVESTREAM *PDWAVESTREAM;
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| 71 |
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| 72 | #endif
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