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94 lines
3.5 KiB
C
94 lines
3.5 KiB
C
#pragma once
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// FIXME: Should be moved somewhere else?
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typedef struct _WAVE_DD_VOLUME {
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ULONG Left;
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ULONG Right;
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} WAVE_DD_VOLUME, *PWAVE_DD_VOLUME;
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// driver
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#define WAVE_DD_STOP 0x0001
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#define WAVE_DD_PLAY 0x0002 // output devices only
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#define WAVE_DD_RECORD 0x0003 // input devices only
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#define WAVE_DD_RESET 0x0004
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// ioctl
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#define WAVE_DD_IDLE 0x0000
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#define WAVE_DD_STOPPED 0x0001 // stopped
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#define WAVE_DD_PLAYING 0x0002 // output devices only
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#define WAVE_DD_RECORDING 0x0003 // input devices only
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typedef enum {
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WaveThreadInvalid,
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WaveThreadAddBuffer,
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WaveThreadSetState,
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WaveThreadSetData,
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WaveThreadGetData,
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WaveThreadBreakLoop,
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WaveThreadClose,
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WaveThreadTerminate
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} WAVETHREADFUNCTION;
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// WARNING: MS code below!!
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typedef struct {
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OVERLAPPED Ovl;
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LPWAVEHDR WaveHdr;
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} WAVEOVL, *PWAVEOVL;
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// WARNING: MS code below!!
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// per allocation structure for wave
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typedef struct tag_WAVEALLOC {
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struct tag_WAVEALLOC *Next; // Chaining
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UINT DeviceNumber; // Which device
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UINT DeviceType; // WaveInput or WaveOutput
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DWORD dwCallback; // client's callback
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DWORD dwInstance; // client's instance data
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DWORD dwFlags; // Open flags
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HWAVE hWave; // handle for stream
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HANDLE hDev; // Wave device handle
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LPWAVEHDR DeviceQueue; // Buffers queued by application
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LPWAVEHDR NextBuffer; // Next buffer to send to device
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DWORD BufferPosition; // How far we're into a large buffer
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DWORD BytesOutstanding;
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// Bytes being processed by device
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LPWAVEHDR LoopHead; // Start of loop if any
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DWORD LoopCount; // Number more loops to go
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WAVEOVL DummyWaveOvl; // For break loop
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//
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HANDLE Event; // Event for driver synchronization
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// and notification of auxiliary
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// task operation completion.
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WAVETHREADFUNCTION AuxFunction; // Function for thread to perform
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union {
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LPWAVEHDR pHdr; // Buffer to pass in aux task
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ULONG State; // State to set
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struct {
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ULONG Function; // IOCTL to use
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PBYTE pData; // Data to set or get
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ULONG DataLen; // Length of data
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} GetSetData;
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} AuxParam;
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// 0 means terminate task.
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HANDLE AuxEvent1; // Aux thread waits on this
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HANDLE AuxEvent2; // Caller of Aux thread waits on this
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HANDLE ThreadHandle; // Handle for thread termination ONLY
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MMRESULT AuxReturnCode; // Return code from Aux task
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}WAVEALLOC, *PWAVEALLOC;
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/* Misc should move to own header */
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MMRESULT GetDeviceCapabilities(DWORD ID, UINT DeviceType,
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LPBYTE pCaps, DWORD Size);
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DWORD AuxGetAudio(DWORD dwID, PBYTE pVolume, DWORD sizeVolume);
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DWORD AuxSetAudio(DWORD dwID, PBYTE pVolume, DWORD sizeVolume);
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typedef struct _AUX_DD_VOLUME {
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ULONG Left;
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ULONG Right;
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} AUX_DD_VOLUME, *PAUX_DD_VOLUME;
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