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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using UpgradeTest.Renderers;
using UpgradeTest.WinPhone.Renderers;
using Windows.Media.Capture;
using Windows.Media.MediaProperties;
using Windows.Storage;
using Xamarin.Forms;
using Xamarin.Forms.Platform.WinPhone;
[assembly: ExportRenderer(typeof(VideoView), typeof(VideoViewRenderer))]
namespace UpgradeTest.WinPhone.Renderers
{
public class VideoViewRenderer : ViewRenderer<VideoView, MediaElement>
{
MediaCapture dev;
StorageFile outputFile;
bool _isRecording = false;
bool _isPlaying = false;
VideoView _control;
private MediaElement newControl;
protected override void OnElementChanged(ElementChangedEventArgs<VideoView> e)
{
newControl = Application.Current.Resources["GlobalMedia"] as MediaElement;
_control = e.NewElement;
_control.Status = "IDLE";
base.OnElementChanged(e);
_control.StopAction = async () =>
{
if (_isPlaying)
{
newControl.Stop();
_isPlaying = false;
}
else if (_isRecording)
{
await dev.StopRecordAsync();
dev.Dispose();
_isRecording = false;
}
_control.Status = "STOPPED";
};
_control.PlayAction = () =>
{
_isPlaying = true;
_control.Status = "Playing";
newControl.Source = new Uri(outputFile.Path, UriKind.Absolute);
newControl.Play();
};
_control.RecordAction = () =>
{
_control.Status = "Recording";
StartRecording(_control.FileSource);
};
var mediaElement = new MediaElement();
mediaElement.AutoPlay = false;
mediaElement.Height = 200;
mediaElement.Width = 200;
base.SetNativeControl(mediaElement);
newControl.CurrentStateChanged += Control_CurrentStateChanged;
}
void Control_CurrentStateChanged(object sender, RoutedEventArgs e)
{
if (newControl.CurrentState == System.Windows.Media.MediaElementState.Stopped || newControl.CurrentState == System.Windows.Media.MediaElementState.Closed)
{
_isPlaying = false;
}
_control.Status = newControl.CurrentState.ToString();
}
public async void StartRecording(string filename)
{
_isRecording = true;
filename += ".wav";
dev = new MediaCapture();
var settings = new MediaCaptureInitializationSettings();
settings.StreamingCaptureMode = StreamingCaptureMode.Audio;
settings.MediaCategory = Windows.Media.Capture.MediaCategory.Other;
settings.AudioProcessing = Windows.Media.AudioProcessing.Default;
await dev.InitializeAsync(settings);
StorageFolder applicationFolder = ApplicationData.Current.LocalFolder;
try
{
outputFile = await applicationFolder.GetFileAsync(filename);
await outputFile.DeleteAsync();
}
catch
{
}
outputFile = await applicationFolder.CreateFileAsync(filename);
MediaEncodingProfile recordProfile = MediaEncodingProfile.CreateWav(AudioEncodingQuality.Medium);
await dev.StartRecordToStorageFileAsync(recordProfile, outputFile);
}
}
}
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