protected override void Dispose(bool disposing)
{
_stream?.Dispose();
}
private static async Task <CloudBlockBlob> HandleVideoBlob(string videoUrl, CloudBlobContainer serverContainer, HttpClient httpClient, TraceWriter log)
{
VideoUrlHelper videoUrlHelper = VideoUrlHelper.Parse(videoUrl);
CloudBlockBlob videoBlob;
if (videoUrlHelper != null)
{
videoBlob = serverContainer.GetBlockBlobReference(videoUrlHelper.FileName.ToLower());
}
else
{
throw new ArgumentException("Unable to parse: " + videoUrl);
}
videoBlob.Properties.CacheControl = "max-age=31536000";
if (videoUrlHelper.FileName.EndsWith(".mp4", StringComparison.OrdinalIgnoreCase))
{
videoBlob.Properties.ContentType = "video/mp4";
}
else if (videoUrlHelper.FileName.EndsWith(".mov", StringComparison.OrdinalIgnoreCase))
{
videoBlob.Properties.ContentType = "video/quicktime";
}
else if (videoUrlHelper.Server.Contains("youtube.com"))
{
log.Warning("Video from youtube.com skipped: " + videoUrl);
}
else if (videoUrlHelper.Server.Contains("instagram.com"))
{
log.Warning("Video from instagram.com skipped: " + videoUrl);
}
else if (videoUrlHelper.Server.Contains("vimeo.com"))
{
log.Warning("Video from vimeo.com skipped: " + videoUrl);
}
else
{
throw new ArgumentException("Unexpected ending in: " + videoUrl);
}
var response = await httpClient.GetAsync(videoUrl);
response.EnsureSuccessStatusCode();
Stream sourceStream = null;
CloudBlobStream uploadStream = null;
try
{
sourceStream = await httpClient.GetStreamAsync(videoUrl);
uploadStream = await videoBlob.OpenWriteAsync();
byte[] bytes = new byte[64 * 1024];
int length;
do
{
length = await sourceStream.ReadAsync(bytes, 0, 64 * 1024);
await uploadStream.WriteAsync(bytes, 0, length);
}while (length > 0);
}
finally
{
if (sourceStream != null)
{
sourceStream.Dispose();
}
if (uploadStream != null)
{
await uploadStream.FlushAsync();
uploadStream.Dispose();
}
}
await videoBlob.FetchAttributesAsync();
return(videoBlob);
}