tion-low

class Tracker {
    var trackers: [TrackerProtocol] = []
    
    func track(info: TrackingInfo?) {
        guard let info = info else {
            assert(false, "TrackingInfo is nil")
        }
        
        trackers.forEach { (tracker) in
            tracker.track(info: info)

tion-low

import UIKit
import AVFoundation

let engine = AVAudioEngine()
let player = AVAudioPlayerNode()
let mixer1 = AVAudioMixerNode()
let mixer2 = AVAudioMixerNode()
engine.attach(player)
engine.attach(mixer1)
engine.attach(mixer2)

tion-low

import UIKit
import AVFoundation

public func createSampleBufferBy<T>(pcm: [T], timeStamp: AudioTimeStamp, bd: AudioStreamBasicDescription) -> CMSampleBuffer? {
    var basicDescription = bd
    var formatDescription: CMAudioFormatDescription?
    _ = CMAudioFormatDescriptionCreate(allocator: kCFAllocatorDefault,
                                                asbd: &basicDescription,
                                                layoutSize: 0,
                                                layout: nil,

tion-low

import UIKit
import AVFoundation

let player = AVAudioPlayerNode()
let engine = AVAudioEngine()
engine.attach(player)
engine.connect(player, to: engine.mainMixerNode, format: player.outputFormat(forBus: 0))

try! engine.start()
player.play()

tion-low

Portrait up
▿ CGAffineTransform
  - a : 0.0
  - b : 1.0
  - c : -1.0
  - d : 0.0
  - tx : 1080.0
  - ty : 0.0
  
Landscape left 

tion-low

framework module CustomFramework {
    umbrella header "CustomFramework.h"

    link framework "GameKit"
    link framework "iAd"

    link framework "CoreMotion"
    link framework "CoreGraphics"
    link framework "AVFoundation"
    link framework "MediaToolbox"

tion-low

GCC_PREFIX_HEADER = Classes/Prefix.pch;

HEADER_SEARCH_PATHS = "$(SRCROOT)/Classes" "$(SRCROOT)/Classes/Native" "$(SRCROOT)/Libraries/libil2cpp/include";
LIBRARY_SEARCH_PATHS = "$(SRCROOT)/Libraries" "$(SRCROOT)/Libraries/libil2cpp/include" "$(SRCROOT)";

OTHER_LDFLAGS = -weak-lSystem -weak_framework CoreMotion -weak_framework GameKit -weak_framework iAd -framework CoreGraphics -framework AVFoundation -framework MediaToolbox -framework CoreVideo -framework CoreMedia -framework SystemConfiguration -framework CoreLocation -framework MediaPlayer -framework CFNetwork -framework AudioToolbox -framework OpenAL -framework OpenGLES -framework UIKit -framework Foundation -liconv.2 -liPhone-lib -lil2cpp;

ENABLE_BITCODE = YES;
IPHONEOS_DEPLOYMENT_TARGET = 8.0;
MACH_O_TYPE = staticlib;

tion-low

import UIKit
import AVFoundation

var tb = mach_timebase_info() // イニシャライザ
mach_timebase_info(&tb) // こっちは関数呼び出し
let tsc = mach_absolute_time()
let t = Double(tsc) * Double(tb.numer) / Double(tb.denom) / 1000000000.0

let seconds = AVAudioTime.seconds(forHostTime: tsc)
let cmtime = CMTime(seconds: seconds, preferredTimescale: 1000000000)

tion-low

func convertCMSampleBuffer(from pcmBuffer: AVAudioPCMBuffer) -> CMSampleBuffer? {
    let bufferList = pcmBuffer.audioBufferList
    let asbd = pcmBuffer.format.streamDescription

    var sampleBuffer: CMSampleBuffer!
    var formatDescription: CMFormatDescription!

    var status = CMAudioFormatDescriptionCreate(allocator: kCFAllocatorDefault,
                                            asbd: asbd,
                                            layoutSize: 0,