質問編集履歴

2

書式の改善

2017/09/30 23:53

投稿

ddk
ddk

スコア8

test CHANGED
File without changes
test CHANGED
@@ -16,190 +16,190 @@
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  ###該当のソースコード
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+ ```
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+
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  import AudioToolbox
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  import UIKit
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+ private func AudioQueueInputCallback(
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+
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+ _ inUserData: UnsafeMutableRawPointer?,
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+
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+ inAQ: AudioQueueRef,
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+
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+ inBuffer: AudioQueueBufferRef,
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+
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+ inStartTime: UnsafePointer<AudioTimeStamp>,
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+
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+ inNumberPacketDescriptions: UInt32,
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+
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+ inPacketDescs: UnsafePointer<AudioStreamPacketDescription>?)
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+
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+ {
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+
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+
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+
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+ /* ここでマイク入力されたデータを扱いたい*/
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+
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+ print(inBuffer); //???
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+
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+
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+
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+ }
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+
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+
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+
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+ class ViewController: UIViewController {
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+
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+
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+
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+ var queue: AudioQueueRef!
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+
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+ var audioQueue: AudioQueueRef? = nil
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+
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+ var timer: Timer!
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+
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+
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+
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+ override func viewDidLoad() {
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+
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+ super.viewDidLoad()
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+
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+ self.startUpdatingVolume()
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+
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+ }
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+
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+
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+
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+ override func viewDidDisappear(_ animated: Bool) {
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+
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+ super.viewDidDisappear(animated)
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+
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+ self.stopUpdatingVolume()
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+
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+ }
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+
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+
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+
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+ override func didReceiveMemoryWarning() {
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+
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+ super.didReceiveMemoryWarning()
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+
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+ }
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+
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+
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+
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+ func startUpdatingVolume() {
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+
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+ var dataFormat = AudioStreamBasicDescription(
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+
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+ mSampleRate: 44100.0,
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+
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+ mFormatID: kAudioFormatLinearPCM,
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+
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+ mFormatFlags: AudioFormatFlags(kLinearPCMFormatFlagIsBigEndian | kLinearPCMFormatFlagIsSignedInteger | kLinearPCMFormatFlagIsPacked),
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+
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+ mBytesPerPacket: 2,
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+
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+ mFramesPerPacket: 1,
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+
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+ mBytesPerFrame: 2,
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+
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+ mChannelsPerFrame: 1,
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+
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+ mBitsPerChannel: 16,
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+
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+ mReserved: 0)
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+
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+ var error = noErr
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+
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+
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+
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+ self.audioQueue = self.queue;
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+
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+ error = AudioQueueNewInput(
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+
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+ &dataFormat,
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+
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+ AudioQueueInputCallback,
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+
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+ UnsafeMutableRawPointer(Unmanaged.passUnretained(self).toOpaque()),
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+
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+ .none,
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+
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+ .none,
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+
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+ 0,
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+
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+ &self.audioQueue)
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+
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+
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+
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+ if error == noErr {
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+
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+ self.queue = audioQueue
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+
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+ var bu :AudioQueueBufferRef?;
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+
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+ AudioQueueAllocateBuffer(self.queue, 16000, &bu) //16000は何の値かは不明です
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+
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+ AudioQueueEnqueueBuffer (self.queue, bu!, 0, nil)
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+
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+ }
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+
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+
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+
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+ AudioQueueStart(self.queue, nil)
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+
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+
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+
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+ self.timer = Timer.scheduledTimer(timeInterval: 1.0,
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+
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+ target: self,
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+
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+ selector: #selector(ViewController.detectVolume(_:)),
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+
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+ userInfo: nil,
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+
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+ repeats: true)
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+
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+ self.timer?.fire()
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+
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+ }
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+
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+
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+
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+ func stopUpdatingVolume()
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+
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+ {
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+
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+ self.timer.invalidate()
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+
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+ self.timer = nil
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+
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+ AudioQueueFlush(self.queue)
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+
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+ AudioQueueStop(self.queue, false)
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+
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+ AudioQueueDispose(self.queue, true)
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+
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+ }
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+
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+
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+
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+ func detectVolume(_ timer: Timer)
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+
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+ {
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+
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+
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+
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+
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+
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+ }
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+
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+
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+
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+ }
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+
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  ```
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-
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- private func AudioQueueInputCallback(
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-
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- _ inUserData: UnsafeMutableRawPointer?,
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-
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- inAQ: AudioQueueRef,
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-
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- inBuffer: AudioQueueBufferRef,
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-
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- inStartTime: UnsafePointer<AudioTimeStamp>,
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-
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- inNumberPacketDescriptions: UInt32,
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-
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- inPacketDescs: UnsafePointer<AudioStreamPacketDescription>?)
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-
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- {
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-
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-
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-
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- /* ここでマイク入力されたデータを扱いたい*/
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-
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- print(inBuffer); //???
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-
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-
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-
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- }
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-
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-
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-
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- class ViewController: UIViewController {
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-
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-
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-
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- var queue: AudioQueueRef!
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-
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- var audioQueue: AudioQueueRef? = nil
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-
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- var timer: Timer!
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-
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-
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-
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- override func viewDidLoad() {
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-
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- super.viewDidLoad()
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-
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- self.startUpdatingVolume()
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-
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- }
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-
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-
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-
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- override func viewDidDisappear(_ animated: Bool) {
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-
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- super.viewDidDisappear(animated)
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-
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- self.stopUpdatingVolume()
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-
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- }
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-
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-
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-
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- override func didReceiveMemoryWarning() {
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-
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- super.didReceiveMemoryWarning()
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-
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- }
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-
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-
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-
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- func startUpdatingVolume() {
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-
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- var dataFormat = AudioStreamBasicDescription(
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-
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- mSampleRate: 44100.0,
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-
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- mFormatID: kAudioFormatLinearPCM,
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-
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- mFormatFlags: AudioFormatFlags(kLinearPCMFormatFlagIsBigEndian | kLinearPCMFormatFlagIsSignedInteger | kLinearPCMFormatFlagIsPacked),
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-
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- mBytesPerPacket: 2,
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-
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- mFramesPerPacket: 1,
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-
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- mBytesPerFrame: 2,
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-
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- mChannelsPerFrame: 1,
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-
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- mBitsPerChannel: 16,
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-
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- mReserved: 0)
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-
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- var error = noErr
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-
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-
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-
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- self.audioQueue = self.queue;
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-
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- error = AudioQueueNewInput(
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-
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- &dataFormat,
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-
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- AudioQueueInputCallback,
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-
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- UnsafeMutableRawPointer(Unmanaged.passUnretained(self).toOpaque()),
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-
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- .none,
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-
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- .none,
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-
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- 0,
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-
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- &self.audioQueue)
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-
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-
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-
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- if error == noErr {
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-
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- self.queue = audioQueue
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-
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- var bu :AudioQueueBufferRef?;
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-
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- AudioQueueAllocateBuffer(self.queue, 16000, &bu) //16000は何の値かは不明です
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-
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- AudioQueueEnqueueBuffer (self.queue, bu!, 0, nil)
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-
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- }
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-
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-
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-
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- AudioQueueStart(self.queue, nil)
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-
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-
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-
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- self.timer = Timer.scheduledTimer(timeInterval: 1.0,
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-
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- target: self,
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-
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- selector: #selector(ViewController.detectVolume(_:)),
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-
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- userInfo: nil,
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-
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- repeats: true)
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-
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- self.timer?.fire()
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-
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- }
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-
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-
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-
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- func stopUpdatingVolume()
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-
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- {
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-
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- self.timer.invalidate()
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-
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- self.timer = nil
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-
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- AudioQueueFlush(self.queue)
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-
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- AudioQueueStop(self.queue, false)
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-
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- AudioQueueDispose(self.queue, true)
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-
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- }
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-
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-
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-
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- func detectVolume(_ timer: Timer)
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-
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- {
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-
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-
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-
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-
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-
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- }
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-
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-
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-
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- }
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-
205
- ```

1

書式の改善

2017/09/30 23:53

投稿

ddk
ddk

スコア8

test CHANGED
File without changes
test CHANGED
@@ -20,7 +20,7 @@
20
20
 
21
21
  import UIKit
22
22
 
23
-
23
+ ```
24
24
 
25
25
  private func AudioQueueInputCallback(
26
26
 
@@ -201,3 +201,5 @@
201
201
 
202
202
 
203
203
  }
204
+
205
+ ```