public static async Task ProcessNewMediaUploadedMessageAsync([ServiceBusTrigger("NewMediaUploaded", "MediaServices")] BrokeredMessage message, TextWriter log)
{
var video = message.GetBody <Common.Video>();
var mediaServicesWrapper = new MediaServicesWrapper(MediaServiceName, MediaServiceKey, StorageConnectionString);
var mediaServiceAsset = await mediaServicesWrapper.CreateMediaServiceAssetFromExistingBlobAsync(video.OriginalUrl);
var job = await mediaServicesWrapper.CreateJobAsync(mediaServiceAsset);
job.StateChanged += OnJobStateChanged;
var jobTask = job.GetExecutionProgressTask(CancellationToken.None);
await jobTask;
}
private static async void OnJobStateChanged(object sender, Microsoft.WindowsAzure.MediaServices.Client.JobStateChangedEventArgs e)
{
NamespaceManager nsMgr = NamespaceManager.CreateFromConnectionString(ServiceBusConnectionString);
TopicDescription topic = null;
if (!(await nsMgr.TopicExistsAsync("MediaJobStateChanged")))
{
topic = await nsMgr.CreateTopicAsync("MediaJobStateChanged");
}
else
{
topic = await nsMgr.GetTopicAsync("MediaJobStateChanged");
}
MessagingFactory factory = MessagingFactory.CreateFromConnectionString(ServiceBusConnectionString);
TopicClient topicClient = factory.CreateTopicClient(topic.Path);
var job = ((IJob)sender);
Common.AdaptiveStreamingInfo streamingInfo = null;
if (job.State == JobState.Finished)
{
var mediaServicesWrapper = new MediaServicesWrapper(MediaServiceName, MediaServiceKey, StorageConnectionString);
streamingInfo = await mediaServicesWrapper.PrepareAssetsForAdaptiveStreamingAsync(job.Id);
}
var jobStateChangedMessage = new Common.JobStateChangedMessage
{
JobId = job.Id,
NewState = e.CurrentState.ToString(),
OldState = e.PreviousState.ToString(),
StreamingInfo = streamingInfo
};
await topicClient.SendAsync(new BrokeredMessage(jobStateChangedMessage));
}
