reactos/dll/win32/mmdrv/wave.h

94 lines
3.5 KiB
C

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