public async Task Execute()
{
// hack for testing from a project file
//var videoFile = await StorageFile.GetFileFromApplicationUriAsync(new Uri(this.filePath));
var videoFile = await StorageFile.GetFileFromPathAsync(this.filePath);
var videoFileProperties = await videoFile.GetBasicPropertiesAsync();
// determine number of chunks
var fileSize = videoFileProperties.Size;
var totalChunks = (long)((fileSize + CHUNK_SIZE) / CHUNK_SIZE);
// send chunked upload request
var chunkedUploadRequest = new ApiRequest("video/uploadchunked/request");
chunkedUploadRequest.Authenticated = true;
chunkedUploadRequest.AddJsonContent(new { VideoId = this.videoId, TotalChunks = totalChunks });
var chunkedUploadRequestResponse = await chunkedUploadRequest.ExecuteAsync();
// check response
if (!chunkedUploadRequestResponse)
{
if (this.UploadFailed != null)
this.UploadFailed.Invoke(this, new EventArgs());
return;
}
// open file for reading
var newFileStream = await videoFile.OpenReadAsync();
var videoFileStream = newFileStream.AsStream();
byte[] buffer = new byte[CHUNK_SIZE];
// iterate
if (this.MissingChunks != null)
{
foreach (var chunk in this.MissingChunks)
{
videoFileStream.Seek(chunk * CHUNK_SIZE, SeekOrigin.Begin);
int readCount = await videoFileStream.ReadAsync(buffer, 0, CHUNK_SIZE);
if (readCount > 0)
{
var uploadChunkRequest = new ApiRequest("video/uploadchunked/upload");
uploadChunkRequest.Authenticated = true;
uploadChunkRequest.Parameters.Add("VideoId", videoId.ToString());
uploadChunkRequest.Parameters.Add("ChunkId", chunk.ToString());
uploadChunkRequest.AddByteContent(buffer, 0, readCount);
var uploadChunkRequestResponse = await uploadChunkRequest.ExecuteAsync();
if (this.Progess != null)
this.Progess.Invoke(this, new ApiChunkedVideoUploadProgressEventArgs(chunk + 1, (int)totalChunks));
}
}
}
else
{
//Parallel.For(0, totalChunks, async i =>
//{
// int readCount = await videoFileStream.ReadAsync(buffer, 0, CHUNK_SIZE);
// if (readCount > 0)
// {
// var uploadChunkRequest = new ApiRequest("video/uploadchunked/upload");
// uploadChunkRequest.Authenticated = true;
// uploadChunkRequest.Parameters.Add("VideoId", videoId.ToString());
// uploadChunkRequest.Parameters.Add("ChunkId", i.ToString());
// uploadChunkRequest.AddByteContent(buffer, 0, readCount);
// var uploadChunkRequestResponse = await uploadChunkRequest.ExecuteAsync();
// if (this.Progess != null)
// this.Progess.Invoke(this, new ApiChunkedVideoUploadProgressEventArgs((int)i + 1, (int)totalChunks));
// }
//});
for (int i = 0; i < totalChunks; i++)
{
int readCount = await videoFileStream.ReadAsync(buffer, 0, CHUNK_SIZE);
if (readCount > 0)
{
var uploadChunkRequest = new ApiRequest("video/uploadchunked/upload");
uploadChunkRequest.Authenticated = true;
uploadChunkRequest.Parameters.Add("VideoId", videoId.ToString());
uploadChunkRequest.Parameters.Add("ChunkId", i.ToString());
uploadChunkRequest.AddByteContent(buffer, 0, readCount);
var uploadChunkRequestResponse = await uploadChunkRequest.ExecuteAsync();
if (this.Progess != null)
this.Progess.Invoke(this, new ApiChunkedVideoUploadProgressEventArgs(i + 1, (int)totalChunks));
}
}
}
// fire upload complete event
if (this.UploadComplete != null)
this.UploadComplete.Invoke(this, new EventArgs());
}