async void OnTakeVideo(object sender, RoutedEventArgs e)
{
var op = new CaptureVideoOptions();
if ((bool)_cbFront.IsChecked)
{
op.UseFrontCamera = true;
}
if ((bool)_cbSpan.IsChecked)
{
op.DesiredLength = TimeSpan.FromSeconds(6);
}
var fd = await Kit.TakeVideo(op);
if (fd != null)
{
_mp.Source = MediaSource.CreateFromUri(new Uri(fd.FilePath));
if (!string.IsNullOrEmpty(fd.ThumbPath))
{
_img.Source = new BitmapImage(new Uri(fd.ThumbPath));
}
else
{
_img.Source = null;
}
}
else
{
_mp.Source = null;
_img.Source = null;
}
}
public async Task <FileData> TakeVideo(CaptureVideoOptions p_options)
{
if (await IsCameraAvailable())
{
return(await TakeMedia(false, p_options ?? new CaptureVideoOptions()));
}
return(null);
}
public async Task <FileData> TakeVideo(CaptureVideoOptions p_options)
{
if (!await IsCameraAvailable())
{
return(null);
}
var options = p_options ?? new CaptureVideoOptions();
var capture = new CameraCaptureUI();
capture.VideoSettings.Format = CameraCaptureUIVideoFormat.Mp4;
capture.VideoSettings.MaxResolution = (options.VideoQuality == 1) ? CameraCaptureUIMaxVideoResolution.HighDefinition : CameraCaptureUIMaxVideoResolution.LowDefinition;
capture.VideoSettings.AllowTrimming = options.AllowCropping;
if (capture.VideoSettings.AllowTrimming)
{
capture.VideoSettings.MaxDurationInSeconds = (float)options.DesiredLength.TotalSeconds;
}
var result = await capture.CaptureFileAsync(CameraCaptureUIMode.Video);
if (result == null)
{
return(null);
}
// 将文件移动到CachePath
await result.MoveAsync(await StorageFolder.GetFolderFromPathAsync(Kit.CachePath), Kit.NewGuid + ".mp4");
var fd = new FileData(result.Path, result.Name, (await result.GetBasicPropertiesAsync()).Size);
var prop = await result.Properties.GetVideoPropertiesAsync();
fd.Desc = string.Format("{0:HH:mm:ss} ({1} x {2})", new DateTime(prop.Duration.Ticks), prop.Width, prop.Height);
// 生成缩略图
fd.ThumbPath = Path.Combine(Kit.CachePath, Kit.NewGuid + "-t.jpg");
using (var fs = File.Create(fd.ThumbPath))
{
// 默认根据DPI调整缩略图大小
var fl = await result.GetThumbnailAsync(ThumbnailMode.SingleItem, FileData.ThumbSize, ThumbnailOptions.ResizeThumbnail);
await fl.AsStreamForRead().CopyToAsync(fs);
}
return(fd);
}
/// <summary>
/// Launches our own video recording control to capture video
/// </summary>
/// <param name="options">may contains additional parameters</param>
public void captureVideo(string options)
{
try
{
try
{
this.captureVideoOptions = String.IsNullOrEmpty(options) ?
CaptureVideoOptions.Default : JSON.JsonHelper.Deserialize <CaptureVideoOptions>(options);
}
catch (Exception ex)
{
this.DispatchCommandResult(new PluginResult(PluginResult.Status.JSON_EXCEPTION, ex.Message));
return;
}
videoCaptureTask = new VideoCaptureTask();
videoCaptureTask.Completed += videoRecordingTask_Completed;
videoCaptureTask.Show();
}
catch (Exception e)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, e.Message));
}
}
/// <summary>
/// Launches our own video recording control to capture video
/// </summary>
/// <param name="options">may contains additional parameters</param>
public void captureVideo(string options)
{
try
{
try
{
this.captureVideoOptions = String.IsNullOrEmpty(options) ?
CaptureVideoOptions.Default : JSON.JsonHelper.Deserialize<CaptureVideoOptions>(options);
}
catch (Exception ex)
{
this.DispatchCommandResult(new PluginResult(PluginResult.Status.JSON_EXCEPTION, ex.Message));
return;
}
videoCaptureTask = new VideoCaptureTask();
videoCaptureTask.Completed += videoRecordingTask_Completed;
videoCaptureTask.Show();
}
catch (Exception e)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, e.Message));
}
}
/// <summary>
/// Launches our own video recording control to capture video
/// </summary>
/// <param name="options">may contains additional parameters</param>
public async void captureVideo(string options)
{
try
{
try
{
string args = JSON.JsonHelper.Deserialize <string[]>(options)[0];
this.captureVideoOptions = String.IsNullOrEmpty(args) ? CaptureVideoOptions.Default : JSON.JsonHelper.Deserialize <CaptureVideoOptions>(args);
}
catch (Exception ex)
{
this.DispatchCommandResult(new PluginResult(PluginResult.Status.JSON_EXCEPTION, ex.Message));
return;
}
cameraTask = new CameraCaptureUI();
cameraTask.VideoSettings.AllowTrimming = true;
cameraTask.VideoSettings.Format = CameraCaptureUIVideoFormat.Mp4;
StorageFile video = await cameraTask.CaptureFileAsync(CameraCaptureUIMode.Video);
if (video != null)
{
await video.CopyAsync(Windows.Storage.KnownFolders.VideosLibrary, video.Name, Windows.Storage.NameCollisionOption.GenerateUniqueName);
long size = 0;
string modifiedDate = "";
var tasks = new List <Task <BasicProperties> >();
tasks.Add(video.GetBasicPropertiesAsync().AsTask());
var result = await Task.WhenAll(tasks);
foreach (var prop in result)
{
size = (long)prop.Size;
modifiedDate = prop.DateModified.ToString();
}
MediaFile data = new MediaFile(video.Path, video.ContentType, video.Name, size, modifiedDate);
this.files.Add(data);
if (files.Count < this.captureVideoOptions.Limit)
{
//dosomething here
}
else
{
DispatchCommandResult(new PluginResult(PluginResult.Status.OK, files));
files.Clear();
}
}
else
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Error in capturing video"));
}
}
catch (Exception ex)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, ex.Message));
}
}
/// <summary>
/// 录像
/// </summary>
/// <param name="p_options">选项</param>
/// <returns>视频文件信息，失败或放弃时返回null</returns>
public Task <FileData> TakeVideo(CaptureVideoOptions p_options = null)
{
return(new CameraCapture().TakeVideo(p_options));
}
