private async void DownloadSingle(int index)
{
if (index >= taskModel.CompleteCount)
{
taskModel.Reset();
return;
}
var file = files[index].file;
var request = new MediaFileDownloadRequest
{
index = file.fileIndex,
count = 1,
dataSize = -1,
offSet = 0,
segSubIndex = 0,
subIndex = 0,
type = MediaRequestType.ORIGIN
};
var task = MediaTask.FromRequest(request);
var storageFile = await KnownFolders.VideosLibrary.CreateFileAsync(file.fileName, CreationCollisionOption.GenerateUniqueName);
var stream = await storageFile.OpenAsync(Windows.Storage.FileAccessMode.ReadWrite);
var outputStream = stream.GetOutputStreamAt(0);
var fileWriter = new DataWriter(outputStream);
task.OnDataReqResponse += (sender, req, data, speed) =>
{
Dispatcher.RunAsync(CoreDispatcherPriority.Low, async() =>
{
taskModel.cachedByte += data.Length;
taskModel.MBSpeed = (speed / 8388608);
fileWriter.WriteBytes(data);
await fileWriter.StoreAsync();
await outputStream.FlushAsync();
});
};
task.OnRequestTearDown += (sender, retCode, res) =>
{
Dispatcher.RunAsync(CoreDispatcherPriority.Low, () =>
{
taskModel.Sync = String.Format("DownloadMediaFile index {0} complete {1}", res?.dataReq.index, retCode);
//this.DownloadSingle(this.taskModel.runTasks.Count);
});
};
taskModel.runTasks.Add(task);
taskManager.PushBack(task);
}
/// <summary>
/// Developer should get file list first, in case developer gets the file index for download
/// </summary>
private async void Reload()
{
var result = await cameraHandler.GetCameraWorkModeAsync();
if (result.value == null)
{
return;
}
var mode = result.value?.value;
if (mode != CameraWorkMode.TRANSCODE && mode != CameraWorkMode.PLAYBACK)
{
return;
}
this.files.Clear();
var fileListTask = MediaTask.FromRequest(new MediaFileListRequest
{
count = -1,
index = 1,
subType = MediaRequestType.ORIGIN,
isAllList = true,
location = MediaFileListLocation.SD_CARD,
});
fileListTask.OnListReqResponse += async(fileSender, files) =>
{
taskModel.Sync = String.Format("LaunchFileDataTask get files : {0}", files.Count);
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
files.ForEach(obj => this.files.Add(new MediaItem(obj)));
});
};
fileListTask.OnRequestTearDown += (fileSender, retCode, response) =>
{
if (retCode == SDKError.NO_ERROR)
{
return;
}
taskModel.Sync = String.Format("LaunchFileDataTask get files : {0}. Switch Mode or try again", retCode);
};
taskManager.PushBack(fileListTask);
}
