WadResMacHAL Class Reference

Core Audio sample rate conversion device. More...

#include <WadMacHAL.h>

Inheritance diagram for WadResMacHAL:

List of all members.

Public Member Functions
int	Open (WadParam *param, WadCallbackFn *inFn, WadCallbackFn *outFn, void *arg)
	Open devices for streaming.
void	Close ()
	Close devices and release memory.
Protected Attributes
WadResPort *	resPort
	sample rate conversion port
bool	openingViaResPort
	true if Open is being called recursively
bool	closingViaResPort
	true if Close is being called recursively
WadConvPort *	convPort
	format conversion port

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Detailed Description

Core Audio sample rate conversion device.

WadResMacHAL is a derived class that implements sample rate conversion when the Core Audio device can't be opened at the desired sampling rate. WadMacHAL handles channel and format conversions but not sample rate conversion.

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Member Function Documentation

void WadResMacHAL::Close

(

)

[virtual]

Close devices and release memory.

Close the devices and release all memory associated with streaming. Different devices can be re-opened with different parameters without having to recreate the WaAudioDev object.

Reimplemented from WadMacHAL.

int WadResMacHAL::Open	(	WadParam *	param,
		WadCallbackFn *	inFn,
		WadCallbackFn *	outFn,
		void *	arg
	)		[virtual]

Open devices for streaming.

Open devices for streaming with provided parameters. Asynchronous callbacks fetch and deliver sample buffers: inFn delivers input sample buffers and outFn fetches output sample buffers. Streaming directions are determined by valid device IDs in parameter structure, at least one direction must be enabled. Pass NULL for callback if that direction is not enabled.

Parameters:

[in]	param	Stream parameters
[in]	inFn	Input callback function, or NULL
[in]	outFn	Output callback function, or NULL
[in]	arg	Argument to callbacks

Reimplemented from WadMacHAL.

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The documentation for this class was generated from the following files:

• WadMacHAL.h
• WadMacHAL.cpp