cog/Audio/Output/OutputCoreAudio.h

116 lines
2.1 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 <AVFoundation/AVFoundation.h>
#import <AudioToolbox/AudioToolbox.h>
#import <AudioUnit/AudioUnit.h>
#import <CoreAudio/AudioHardware.h>
#import <CoreAudio/CoreAudioTypes.h>
#ifdef __cplusplus
#import <atomic>
using std::atomic_long;
#else
#import <stdatomic.h>
#endif
#import "Downmix.h"
#import "VisualizationController.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 restarted;
BOOL eqEnabled;
BOOL eqInitialized;
BOOL streamFormatStarted;
atomic_long bytesRendered;
atomic_long bytesHdcdSustained;
BOOL defaultdevicelistenerapplied;
BOOL currentdevicelistenerapplied;
BOOL devicealivelistenerapplied;
BOOL observersapplied;
BOOL outputdevicechanged;
float volume;
float eqPreamp;
AVAudioFormat *_deviceFormat;
AudioDeviceID outputDeviceID;
AudioStreamBasicDescription deviceFormat; // info about the default device
AudioStreamBasicDescription streamFormat; // stream format last seen in render callback
AudioStreamBasicDescription visFormat; // Mono format for vis
uint32_t deviceChannelConfig;
uint32_t streamChannelConfig;
AUAudioUnit *_au;
size_t _bufferSize;
AudioUnit _eq;
DownmixProcessor *downmixer;
DownmixProcessor *downmixerForVis;
VisualizationController *visController;
os_workgroup_t wg;
os_workgroup_join_token_s wgToken;
#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