15eaa877b1
Whew, what a mess! And this may pave the way for crossfading. Signed-off-by: Christopher Snowhill <kode54@gmail.com>
135 lines
2.4 KiB
Objective-C
135 lines
2.4 KiB
Objective-C
//
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// OutputCoreAudio.h
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// Cog
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//
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// Created by Christopher Snowhill on 7/25/23.
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// Copyright 2023-2024 Christopher Snowhill. All rights reserved.
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//
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#import <AssertMacros.h>
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#import <Cocoa/Cocoa.h>
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#import <AVFoundation/AVFoundation.h>
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#import <AudioToolbox/AudioToolbox.h>
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#import <AudioUnit/AudioUnit.h>
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#import <CoreAudio/AudioHardware.h>
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#import <CoreAudio/CoreAudioTypes.h>
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#ifdef __cplusplus
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#import <atomic>
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using std::atomic_long;
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#else
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#import <stdatomic.h>
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#endif
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#import <simd/simd.h>
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#import <CogAudio/ChunkList.h>
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#import <CogAudio/HeadphoneFilter.h>
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//#define OUTPUT_LOG
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#ifdef OUTPUT_LOG
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#import <stdio.h>
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#endif
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@class OutputNode;
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@class AudioChunk;
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@interface OutputCoreAudio : NSObject {
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OutputNode *outputController;
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dispatch_semaphore_t writeSemaphore;
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dispatch_semaphore_t readSemaphore;
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NSLock *outputLock;
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double streamTimestamp;
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BOOL stopInvoked;
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BOOL stopCompleted;
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BOOL running;
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BOOL stopping;
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BOOL stopped;
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BOOL started;
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BOOL paused;
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BOOL restarted;
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BOOL commandStop;
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BOOL resetting;
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BOOL cutOffInput;
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BOOL fading, faded;
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float fadeLevel;
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float fadeStep;
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float fadeTarget;
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BOOL eqEnabled;
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BOOL eqInitialized;
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BOOL streamFormatStarted;
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BOOL streamFormatChanged;
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double secondsHdcdSustained;
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BOOL defaultdevicelistenerapplied;
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BOOL currentdevicelistenerapplied;
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BOOL devicealivelistenerapplied;
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BOOL observersapplied;
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BOOL outputdevicechanged;
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float volume;
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float eqPreamp;
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AVAudioFormat *_deviceFormat;
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AudioDeviceID outputDeviceID;
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AudioStreamBasicDescription deviceFormat;
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AudioStreamBasicDescription realStreamFormat; // stream format pre-hrtf
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AudioStreamBasicDescription streamFormat; // stream format last seen in render callback
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uint32_t deviceChannelConfig;
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uint32_t realStreamChannelConfig;
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uint32_t streamChannelConfig;
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AUAudioUnit *_au;
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size_t _bufferSize;
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BOOL resetStreamFormat;
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BOOL shouldPlayOutBuffer;
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ChunkList *outputBuffer;
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#ifdef OUTPUT_LOG
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FILE *_logFile;
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#endif
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}
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- (id)initWithController:(OutputNode *)c;
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- (BOOL)setup;
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- (OSStatus)setOutputDeviceByID:(int)deviceID;
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- (BOOL)setOutputDeviceWithDeviceDict:(NSDictionary *)deviceDict;
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- (void)start;
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- (void)pause;
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- (void)resume;
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- (void)stop;
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- (void)fadeOut;
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- (void)fadeOutBackground;
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- (void)fadeIn;
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- (double)latency;
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- (double)volume;
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- (void)setVolume:(double)v;
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- (void)setShouldPlayOutBuffer:(BOOL)enabled;
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- (void)sustainHDCD;
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- (AudioStreamBasicDescription)deviceFormat;
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- (uint32_t)deviceChannelConfig;
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@end
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