7994929a80
Audio Chunks now have full timestamp accounting, including DSP playback speed ratio for the one DSP that can change play ratio, Rubber Band. Inputs which support looping and actually reporting the absolute play position now do so. Signed-off-by: Christopher Snowhill <kode54@gmail.com>
151 lines
2.8 KiB
Objective-C
151 lines
2.8 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 "Downmix.h"
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#import <CogAudio/CogAudio-Swift.h>
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#import <simd/simd.h>
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#import "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 secondsLatency;
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double visPushed;
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double streamTimestamp;
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double lastClippedSampleRate;
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void *rsvis;
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double lastVisRate;
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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 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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AudioStreamBasicDescription visFormat; // Mono format for vis
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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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DownmixProcessor *downmixer;
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DownmixProcessor *downmixerForVis;
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VisualizationController *visController;
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int inputRemain;
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AudioChunk *chunkRemain;
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int visResamplerRemain;
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BOOL resetStreamFormat;
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BOOL shouldPlayOutBuffer;
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float *samplePtr;
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float tempBuffer[512 * 32];
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float inputBuffer[4096 * 32]; // 4096 samples times maximum supported channel count
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float downmixBuffer[4096 * 8];
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float visAudio[4096];
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float visResamplerInput[8192];
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float visTemp[8192];
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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:(AudioDeviceID)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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- (double)latency;
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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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@end
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