2006-01-20 15:34:02 +00:00
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//
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2022-06-24 06:17:31 +00:00
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// OutputAVFoundation.h
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2006-01-20 15:34:02 +00:00
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// Cog
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//
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2022-06-24 06:17:31 +00:00
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// Created by Christopher Snowhill on 6/23/22.
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// Copyright 2022 Christopher Snowhill. All rights reserved.
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2006-01-20 15:34:02 +00:00
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//
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2020-03-23 08:46:41 +00:00
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#import <AssertMacros.h>
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2006-01-20 15:34:02 +00:00
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#import <Cocoa/Cocoa.h>
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2022-02-07 05:49:27 +00:00
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#import <AVFoundation/AVFoundation.h>
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2006-01-20 15:34:02 +00:00
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#import <AudioToolbox/AudioToolbox.h>
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#import <AudioUnit/AudioUnit.h>
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2022-02-07 05:49:27 +00:00
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#import <CoreAudio/AudioHardware.h>
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2022-01-16 15:32:47 +00:00
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#import <CoreAudio/CoreAudioTypes.h>
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2006-01-20 15:34:02 +00:00
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2022-06-06 15:18:33 +00:00
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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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2022-01-15 10:09:26 +00:00
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#import <stdatomic.h>
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2022-06-06 15:18:33 +00:00
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#endif
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2022-01-15 10:09:26 +00:00
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2022-02-06 11:08:34 +00:00
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#import "Downmix.h"
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2022-02-13 07:04:03 +00:00
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#import "VisualizationController.h"
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2022-01-19 08:41:42 +00:00
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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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2007-02-24 20:36:27 +00:00
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@class OutputNode;
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2022-06-24 06:17:31 +00:00
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@interface OutputAVFoundation : NSObject {
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OutputNode *outputController;
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2022-06-24 09:46:23 +00:00
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BOOL r8bFlushing, r8bFlushed, r8bDone;
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void *r8bstate, *r8bold;
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2022-02-07 05:49:27 +00:00
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BOOL stopInvoked;
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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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2022-02-08 06:44:56 +00:00
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BOOL restarted;
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BOOL eqEnabled;
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2022-06-11 01:43:56 +00:00
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BOOL eqInitialized;
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BOOL dontRemix;
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BOOL streamFormatStarted;
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2022-06-24 06:17:31 +00:00
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double secondsHdcdSustained;
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2022-02-07 05:49:27 +00:00
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2022-06-17 06:28:25 +00:00
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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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2022-02-14 07:37:58 +00:00
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float eqPreamp;
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AudioDeviceID outputDeviceID;
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AudioStreamBasicDescription streamFormat; // stream format last seen in render callback
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AudioStreamBasicDescription newFormat; // in case of resampler flush
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2022-02-07 05:49:27 +00:00
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2022-02-13 07:04:03 +00:00
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AudioStreamBasicDescription visFormat; // Mono format for vis
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2022-02-07 08:56:05 +00:00
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uint32_t deviceChannelConfig;
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uint32_t streamChannelConfig;
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AVSampleBufferAudioRenderer *audioRenderer;
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AVSampleBufferRenderSynchronizer *renderSynchronizer;
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CMAudioFormatDescriptionRef audioFormatDescription;
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AudioChannelLayoutTag streamTag;
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id currentPtsObserver;
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NSLock *currentPtsLock;
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CMTime currentPts, lastPts;
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double secondsLatency;
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CMTime outputPts, trackPts, lastCheckpointPts;
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AudioTimeStamp timeStamp;
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2022-02-07 05:49:27 +00:00
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size_t _bufferSize;
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AudioUnit _eq;
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2022-02-13 07:04:03 +00:00
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DownmixProcessor *downmixerForVis;
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VisualizationController *visController;
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2022-06-24 06:17:31 +00:00
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float inputBuffer[2048 * 32]; // 2048 samples times maximum supported channel count
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float eqBuffer[2048 * 32];
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2022-06-09 07:27:55 +00:00
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2022-01-19 08:41:42 +00:00
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#ifdef OUTPUT_LOG
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2022-02-07 05:49:27 +00:00
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FILE *_logFile;
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2022-01-19 08:41:42 +00:00
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#endif
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2006-01-20 15:34:02 +00:00
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}
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2007-02-24 20:36:27 +00:00
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- (id)initWithController:(OutputNode *)c;
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2006-01-20 15:34:02 +00:00
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- (BOOL)setup;
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2020-02-17 17:20:48 +00:00
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- (OSStatus)setOutputDeviceByID:(AudioDeviceID)deviceID;
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- (BOOL)setOutputDeviceWithDeviceDict:(NSDictionary *)deviceDict;
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2006-01-20 15:34:02 +00:00
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- (void)start;
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2007-02-20 01:02:23 +00:00
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- (void)pause;
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- (void)resume;
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- (void)stop;
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2006-01-20 15:34:02 +00:00
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2022-02-07 05:49:27 +00:00
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- (void)setVolume:(double)v;
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2006-01-20 15:34:02 +00:00
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2022-01-17 09:22:15 +00:00
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- (void)setEqualizerEnabled:(BOOL)enabled;
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2022-01-19 10:08:57 +00:00
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- (void)sustainHDCD;
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2006-01-20 15:34:02 +00:00
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@end
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