coreaudio

Documentation

Overview

Use the Core Audio framework to interact with device’s audio hardware.

Apple Documentation

Index

• type ClassID
• type DeviceClockAlgorithmSelector
• type DeviceID
• type DeviceIOBlock
• type DeviceIOProc
• type DevicePropertyID
• type DevicePropertyListenerProc
• type DriverPlugInDevicePropertyChangedProc
• type DriverPlugInStreamPropertyChangedProc
• type HardwareIOProcStreamUsage
• type HardwarePowerHint
• type HardwarePropertyID
• type HardwarePropertyListenerProc
• type LevelControlTransferFunction
• type ObjectID
• type ObjectPropertyAddress
• type ObjectPropertyElement
• type ObjectPropertyListenerBlock
• type ObjectPropertyListenerProc
• type ObjectPropertyScope
• type ObjectPropertySelector
• type ServerPlugInCustomPropertyDataType
• type ServerPlugInIOOperation
• type StreamID
• type StreamPropertyListenerProc
• type StreamRangedDescription

Types

type ClassID

type ClassID uint32

[Full Topic]

type DeviceClockAlgorithmSelector

type DeviceClockAlgorithmSelector uint32

[Full Topic]

type DeviceID

type DeviceID ObjectID

[Full Topic]

type DeviceIOBlock

type DeviceIOBlock = func(inNow *coreaudiotypes.TimeStamp, inInputData *coreaudiotypes.BufferList, inInputTime *coreaudiotypes.TimeStamp, outOutputData *coreaudiotypes.BufferList, inOutputTime *coreaudiotypes.TimeStamp)

[Full Topic]

type DeviceIOProc

type DeviceIOProc = func(inDevice ObjectID, inNow *coreaudiotypes.TimeStamp, inInputData *coreaudiotypes.BufferList, inInputTime *coreaudiotypes.TimeStamp, outOutputData *coreaudiotypes.BufferList, inOutputTime *coreaudiotypes.TimeStamp, inClientData unsafe.Pointer) uint

[Full Topic]

type DevicePropertyID

type DevicePropertyID ObjectPropertySelector

[Full Topic]

type DevicePropertyListenerProc

type DevicePropertyListenerProc = func(inDevice DeviceID, inChannel uint32, isInput bool, inPropertyID DevicePropertyID, inClientData unsafe.Pointer) uint

[Full Topic]

type DriverPlugInDevicePropertyChangedProc

type DriverPlugInDevicePropertyChangedProc = func(inDevice DeviceID, inChannel uint32, isInput bool, inPropertyID DevicePropertyID) uint

[Full Topic]

type DriverPlugInStreamPropertyChangedProc

type DriverPlugInStreamPropertyChangedProc = func(inDevice DeviceID, inIOAudioStream unsafe.Pointer, inChannel uint32, inPropertyID DevicePropertyID) uint

[Full Topic]

type HardwareIOProcStreamUsage

type HardwareIOProcStreamUsage struct {
	MIOProc        uintptr
	MNumberStreams uint32
	MStreamIsOn    [1]uint32
}

[Full Topic]

type HardwarePowerHint

type HardwarePowerHint uint32

[Full Topic]

const (
	KHardwarePowerHintFavorSavingPower HardwarePowerHint = 1
	KHardwarePowerHintNone             HardwarePowerHint = 0
)

type HardwarePropertyID

type HardwarePropertyID ObjectPropertySelector

[Full Topic]

type HardwarePropertyListenerProc

type HardwarePropertyListenerProc = func(inPropertyID HardwarePropertyID, inClientData unsafe.Pointer) uint

[Full Topic]

type LevelControlTransferFunction

type LevelControlTransferFunction uint32

[Full Topic]

const (
	KLevelControlTranferFunction10Over1 LevelControlTransferFunction = 13
	KLevelControlTranferFunction11Over1 LevelControlTransferFunction = 14
	KLevelControlTranferFunction12Over1 LevelControlTransferFunction = 15
	KLevelControlTranferFunction1Over2  LevelControlTransferFunction = 2
	KLevelControlTranferFunction1Over3  LevelControlTransferFunction = 1
	KLevelControlTranferFunction2Over1  LevelControlTransferFunction = 5
	KLevelControlTranferFunction3Over1  LevelControlTransferFunction = 6
	KLevelControlTranferFunction3Over2  LevelControlTransferFunction = 4
	KLevelControlTranferFunction3Over4  LevelControlTransferFunction = 3
	KLevelControlTranferFunction4Over1  LevelControlTransferFunction = 7
	KLevelControlTranferFunction5Over1  LevelControlTransferFunction = 8
	KLevelControlTranferFunction6Over1  LevelControlTransferFunction = 9
	KLevelControlTranferFunction7Over1  LevelControlTransferFunction = 10
	KLevelControlTranferFunction8Over1  LevelControlTransferFunction = 11
	KLevelControlTranferFunction9Over1  LevelControlTransferFunction = 12
	KLevelControlTranferFunctionLinear  LevelControlTransferFunction = 0
)

type ObjectID

type ObjectID uint32

[Full Topic]

type ObjectPropertyAddress

type ObjectPropertyAddress struct {
	MSelector uint32
	MScope    uint32
	MElement  uint32
}

[Full Topic]

type ObjectPropertyElement

type ObjectPropertyElement uint32

[Full Topic]

type ObjectPropertyListenerBlock

type ObjectPropertyListenerBlock = func(inNumberAddresses uint32, inAddresses *ObjectPropertyAddress)

[Full Topic]

type ObjectPropertyListenerProc

type ObjectPropertyListenerProc = func(inObjectID ObjectID, inNumberAddresses uint32, inAddresses *ObjectPropertyAddress, inClientData unsafe.Pointer) uint

[Full Topic]

type ObjectPropertyScope

type ObjectPropertyScope uint32

[Full Topic]

type ObjectPropertySelector

type ObjectPropertySelector uint32

[Full Topic]

type ServerPlugInCustomPropertyDataType

type ServerPlugInCustomPropertyDataType uint32

[Full Topic]

type ServerPlugInIOOperation

type ServerPlugInIOOperation uint32

[Full Topic]

type StreamID

type StreamID ObjectID

[Full Topic]

type StreamPropertyListenerProc

type StreamPropertyListenerProc = func(inStream StreamID, inChannel uint32, inPropertyID DevicePropertyID, inClientData unsafe.Pointer) uint

[Full Topic]

type StreamRangedDescription

type StreamRangedDescription struct {
	MFormat          uintptr // _Ctype_struct_AudioStreamBasicDescription
	MSampleRateRange uintptr // _Ctype_struct_AudioValueRange
}

[Full Topic]