cog/Audio/Chain/ConverterNode.h

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//
// ConverterNode.h
// Cog
//
// Created by Zaphod Beeblebrox on 8/2/05.
// Copyright 2005 __MyCompanyName__. All rights reserved.
//
#import <Cocoa/Cocoa.h>
#import <CoreAudio/AudioHardware.h>
#import <AudioToolbox/AudioToolbox.h>
#import <AudioUnit/AudioUnit.h>
#import "Node.h"
@interface ConverterNode : Node {
NSDictionary * rgInfo;
AudioConverterRef converter;
AudioConverterRef converterFloat;
void *callbackBuffer;
size_t callbackBufferSize;
BOOL stopping;
BOOL convertEntered;
BOOL ACInputEntered;
BOOL ACFloatEntered;
float sampleRatio;
float volumeScale;
void *floatBuffer;
size_t floatBufferSize;
int floatSize, floatOffset;
AudioStreamBasicDescription inputFormat;
AudioStreamBasicDescription floatFormat;
AudioStreamBasicDescription dmFloatFormat; // downmixed float format
AudioStreamBasicDescription outputFormat;
}
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- (id)initWithController:(id)c previous:(id)p;
- (BOOL)setupWithInputFormat:(AudioStreamBasicDescription)inputFormat outputFormat:(AudioStreamBasicDescription)outputFormat;
- (void)cleanUp;
- (void)process;
- (int)convert:(void *)dest amount:(int)amount;
- (void)setRGInfo:(NSDictionary *)rgi;
- (void)setOutputFormat:(AudioStreamBasicDescription)format;
- (void)inputFormatDidChange:(AudioStreamBasicDescription)format;
- (void)refreshVolumeScaling;
@end