fa34d469df
Seeking now mutes properly, and will not leave the audio muted across other operations. Audio output changes should also mute and destroy the buffers of the input chain, so that the audio resets properly. Signed-off-by: Christopher Snowhill <kode54@gmail.com>
139 lines
2.6 KiB
Objective-C
139 lines
2.6 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 <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 streamTimestamp;
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double lastClippedSampleRate;
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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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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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VisualizationController *visController;
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int inputRemain;
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AudioChunk *chunkRemain;
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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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BOOL muted;
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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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- (double)volume;
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- (void)setVolume:(double)v;
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- (void)mute;
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- (void)unmute;
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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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