cog/Audio/Output/OutputCoreAudio.h

85 lines
1.5 KiB
Objective-C

//
// OutputCoreAudio.h
// Cog
//
// Created by Vincent Spader on 8/2/05.
// Copyright 2005 Vincent Spader. All rights reserved.
//
#import <AssertMacros.h>
#import <Cocoa/Cocoa.h>
#import <CoreAudio/AudioHardware.h>
#import <AudioToolbox/AudioToolbox.h>
#import <AudioUnit/AudioUnit.h>
#import <AVFoundation/AVFoundation.h>
#import <CoreAudio/CoreAudioTypes.h>
#import <stdatomic.h>
#import "Semaphore.h"
//#define OUTPUT_LOG
#ifdef OUTPUT_LOG
#import <stdio.h>
#endif
@class OutputNode;
@interface OutputCoreAudio : NSObject {
OutputNode * outputController;
Semaphore * writeSemaphore;
Semaphore * readSemaphore;
BOOL stopInvoked;
BOOL running;
BOOL stopping;
BOOL stopped;
BOOL started;
BOOL paused;
BOOL stopNext;
BOOL eqEnabled;
atomic_long bytesRendered;
atomic_long bytesHdcdSustained;
BOOL listenerapplied;
BOOL observersapplied;
float volume;
AVAudioFormat *_deviceFormat;
AudioDeviceID outputDeviceID;
AudioStreamBasicDescription deviceFormat; // info about the default device
AUAudioUnit *_au;
size_t _bufferSize;
AudioUnit _eq;
#ifdef OUTPUT_LOG
FILE *_logFile;
#endif
}
- (id)initWithController:(OutputNode *)c;
- (BOOL)setup;
- (OSStatus)setOutputDeviceByID:(AudioDeviceID)deviceID;
- (BOOL)setOutputDeviceWithDeviceDict:(NSDictionary *)deviceDict;
- (void)start;
- (void)pause;
- (void)resume;
- (void)stop;
- (void)setVolume:(double) v;
- (void)setEqualizerEnabled:(BOOL)enabled;
- (void)sustainHDCD;
@end