iOS录音功能
目录
1 前言
iOS原生API录音功能
2 代码
import AVFoundation
class Recorder {
var recorder: AVAudioRecorder?
func startRecord() {
let session = AVAudioSession.sharedInstance()
do {
try session.setCategory(.playAndRecord, mode: .default, options: [])
try session.setActive(true, options: [])
session.requestRecordPermission { [unowned self] allowed in
DispatchQueue.main.async {
if allowed {
self.startRecording()
} else {
// failed to record!
}
}
}
} catch {
// failed to record!
}
}
func startRecording() {
// 输出mav格式
let audioFilename = getDocumentsDirectory().appendingPathComponent("recording.wav")
let settings = [
AVFormatIDKey: Int(kAudioFormatLinearPCM),
AVSampleRateKey: 44100,
AVNumberOfChannelsKey: 2,
AVEncoderAudioQualityKey: AVAudioQuality.high.rawValue
]
do {
recorder = try AVAudioRecorder(url: audioFilename, settings: settings)
recorder?.record()
} catch {
finishRecording(success: false)
}
}
func finishRecording(success: Bool) {
recorder?.stop()
recorder = nil
if success {
print("Finished recording")
} else {
print("Failed recording")
}
}
func getDocumentsDirectory() -> URL {
let paths = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)
return paths[0]
}
func stopRecord() {
finishRecording(success: true)
}
}3 使用
let recorder = Recorder() // 初始化
recorder.startRecord() // 开始录音
recorder.stopRecord() // 结束录音4 使用form-data上传
private func recordComplete() {
// 1. 获取录音文件
let filePath = recorder.getDocumentsDirectory().appendingPathComponent("recording.wav")
// 2. 上传录音文件地址
let uploadUrl = "http://xxx.com/upload"
// 3. 设置请求头
let headers: HTTPHeaders = [
"Content-type": "multipart/form-data",
"Accept": "application/json",
]
// 4. 使用alamofire上传
AF.upload(multipartFormData: { (multipartFormData) in
multipartFormData.append(filePath, withName: "file", fileName: "recoding.wav", mimeType: "audio/wav")
}, to: uploadUrl, method: .post, headers: headers).responseJSON { (response) in
switch response.result {
case .success(let value):
print(value)
case .failure(let error):
print("error: \(error)")
}
}
}