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MainPage.xaml.cs
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// Copyright (c) Microsoft. All rights reserved.
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices.WindowsRuntime;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;
#region my reference namespace
using Windows.Media.Capture;
using Windows.Media.Audio;
using Windows.Storage;
using Windows.Media.MediaProperties;
#endregion
// The Blank Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=402352&clcid=0x409
namespace AudioInSample
{
/// <summary>
/// An empty page that can be used on its own or navigated to within a Frame.
/// </summary>
public sealed partial class MainPage : Page
{
Windows.Media.Capture.MediaCapture audioCapture;
MediaCaptureInitializationSettings captureInitSettings;
List<Windows.Devices.Enumeration.DeviceInformation> deviceList;
// string audioFileName = "audioOut.mp3";
string audioFileName=null;
void startoPlay()
{
media.Play();
}
public MainPage()
{
this.InitializeComponent();
EnumerateAudioDevice();
}
private async void startRecord(object sender, RoutedEventArgs e)
{
var storageFile = await Windows.Storage.KnownFolders.VideosLibrary.CreateFileAsync("audioOut.mp3", Windows.Storage.CreationCollisionOption.GenerateUniqueName);
audioFileName = storageFile.Name;
MediaEncodingProfile profile = null;
profile = MediaEncodingProfile.CreateM4a(Windows.Media.MediaProperties.AudioEncodingQuality.Auto);
await audioCapture.StartRecordToStorageFileAsync(profile, storageFile);
}
private async void EnumerateAudioDevice()
{
var devices = await Windows.Devices.Enumeration.DeviceInformation.FindAllAsync(Windows.Devices.Enumeration.DeviceClass.AudioCapture);
deviceList = new List<Windows.Devices.Enumeration.DeviceInformation>();
if (devices.Count > 0)
{
for(var i = 0; i < devices.Count; i++)
{
deviceList.Add(devices[i]);
}
InitCaptureSettings();
InitMediaCapture();
}
}
private void InitCaptureSettings()
{
// Set the capture setting
captureInitSettings = null;
captureInitSettings = new Windows.Media.Capture.MediaCaptureInitializationSettings();
captureInitSettings.AudioDeviceId = "";
captureInitSettings.StreamingCaptureMode = Windows.Media.Capture.StreamingCaptureMode.AudioAndVideo;
if (deviceList.Count > 0)
{
captureInitSettings.AudioDeviceId = deviceList[0].Id;
}
}
private async void InitMediaCapture()
{
audioCapture = null;
audioCapture = new Windows.Media.Capture.MediaCapture();
// for dispose purpose
(App.Current as App).MediaCapture = audioCapture;
await audioCapture.InitializeAsync(captureInitSettings);
// CreateProfile();
}
//public void CreateProfile()
//{
// _profile = Windows.Media.MediaProperties.MediaEncodingProfile.CreateMp3(Windows.Media.MediaProperties.AudioEncodingQuality.Auto);
//}
private async void endRecord(object sender, RoutedEventArgs e)
{
await audioCapture.StopRecordAsync();
}
private async void playRecordedAudio(object sender, RoutedEventArgs e)
{
Windows.Storage.StorageFile storageFile = await Windows.Storage.KnownFolders.VideosLibrary.GetFileAsync(audioFileName);
var stream = await storageFile.OpenAsync(Windows.Storage.FileAccessMode.Read);
if (null != stream)
{
media.SetSource(stream, storageFile.ContentType);
media.Play();
}
}
}
}