/// <summary>
/// Methods triggered when a new message is push by Azure Media Services
/// in the "job-progress" storage queue.
/// </summary>
public static async Task ProcessMediaServicesJobStateChanged(
[QueueTrigger("job-progress")] CloudQueueMessage message,
TextWriter log)
{
var jobMessage = Newtonsoft.Json.JsonConvert.DeserializeObject <EncodingJobMessage>(message.AsString);
//if the event type is a state change
if (jobMessage.EventType == "JobStateChange")
{
//try get old and new state
if (jobMessage.Properties.Any(p => p.Key == "OldState") &&
jobMessage.Properties.Any(p => p.Key == "NewState"))
{
string oldJobState = jobMessage.Properties.First(p => p.Key == "OldState").Value.ToString();
string newJobState = jobMessage.Properties.First(p => p.Key == "NewState").Value.ToString();
await log.WriteLineAsync(string.Format("job state has changed from {0} to {1}", oldJobState, newJobState));
string newState = jobMessage.Properties["NewState"].ToString();
if (newState == "Finished")
{
string jobId = jobMessage.Properties["JobId"].ToString();
var mediaServiceWrapper = new MediaServiceWrapper(_mediaServiceName, _mediaServiceKey, _azureStorageAccount);
var result = await mediaServiceWrapper.PrepareAssetsForAdaptiveStreamingAsync(jobId);
await log.WriteLineAsync(string.Format("Smooth Streaming available at {0}", result.SmoothStreamingUrl));
}
}
}
}
/// <summary>
/// Methods triggered when a new blob is created in the "uploads" container
/// </summary>
public static async Task ProcessNewBlobAsync(
[BlobTrigger("uploads/{name}")] ICloudBlob cloudBlob,
string name,
TextWriter logger)
{
await logger.WriteLineAsync(string.Format("New blob received: {0}", name));
var mediaServiceWrapper = new MediaServiceWrapper(
_mediaServiceName,
_mediaServiceKey,
_azureStorageAccount);
// create the media service asset from the existing blob
var asset = await mediaServiceWrapper
.CreateMediaServiceAssetFromExistingBlobAsync(cloudBlob.Uri.ToString());
// create a job with two tasks : multibirate mp4 generation and thumbnails generation
var job = await mediaServiceWrapper
.CreateJobAsync(asset, notificationEndpointsQueueName : "job-progress");
await logger.WriteLineAsync(
string.Format("The job has been submitted (job id = {0})",
job.Id));
}
