Cog/Audio/Output/OutputAVFoundation.h
Christopher Snowhill f1381b11fd Implemented all new HRTF filter
This filter replaces the old one, and uses OpenAL Soft presets. Since
there aren't that many of those, I've left off configuration for now,
except to turn it on or off.

Signed-off-by: Christopher Snowhill <kode54@gmail.com>
2022-07-09 16:23:43 -07:00

137 lines
2.8 KiB
Objective-C

//
// OutputAVFoundation.h
// Cog
//
// Created by Christopher Snowhill on 6/23/22.
// Copyright 2022 Christopher Snowhill. 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 "HeadphoneFilter.h"
//#define OUTPUT_LOG
#ifdef OUTPUT_LOG
#import <stdio.h>
#endif
@class OutputNode;
@interface OutputAVFoundation : NSObject {
OutputNode *outputController;
BOOL r8bDone;
void *r8bstate, *r8bold;
void *r8bvis;
double lastVisRate;
BOOL stopInvoked;
BOOL stopCompleted;
BOOL running;
BOOL stopping;
BOOL stopped;
BOOL started;
BOOL paused;
BOOL restarted;
BOOL commandStop;
BOOL eqEnabled;
BOOL eqInitialized;
BOOL streamFormatStarted;
double secondsHdcdSustained;
BOOL defaultdevicelistenerapplied;
BOOL currentdevicelistenerapplied;
BOOL devicealivelistenerapplied;
BOOL observersapplied;
BOOL outputdevicechanged;
float volume;
float eqPreamp;
AudioDeviceID outputDeviceID;
AudioStreamBasicDescription realStreamFormat; // stream format pre-hrtf
AudioStreamBasicDescription streamFormat; // stream format last seen in render callback
AudioStreamBasicDescription realNewFormat; // in case of resampler flush
AudioStreamBasicDescription newFormat; // in case of resampler flush
AudioStreamBasicDescription visFormat; // Mono format for vis
uint32_t realStreamChannelConfig;
uint32_t streamChannelConfig;
uint32_t realNewChannelConfig;
uint32_t newChannelConfig;
AVSampleBufferAudioRenderer *audioRenderer;
AVSampleBufferRenderSynchronizer *renderSynchronizer;
CMAudioFormatDescriptionRef audioFormatDescription;
id currentPtsObserver;
NSLock *currentPtsLock;
CMTime currentPts, lastPts;
double secondsLatency;
CMTime outputPts, trackPts, lastCheckpointPts;
AudioTimeStamp timeStamp;
size_t _bufferSize;
AudioUnit _eq;
DownmixProcessor *downmixerForVis;
VisualizationController *visController;
BOOL enableHrtf;
HeadphoneFilter *hrtf;
float inputBuffer[2048 * 32]; // 2048 samples times maximum supported channel count
float hrtfBuffer[2048 * 2];
float eqBuffer[2048 * 32];
#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;
- (double)latency;
- (void)setVolume:(double)v;
- (void)setEqualizerEnabled:(BOOL)enabled;
- (void)sustainHDCD;
@end