public static async Task Run(
[QueueTrigger("%PublishJobsQueueName%", Connection = "MediaStorageAccount")] string assetId,
[Queue("%UpdateCMSQueueName%", Connection = "MediaStorageAccount")] ICollector <UpdateReferenceMessage> updateCMSQueue,
TraceWriter log)
{
log.Info($"C# Queue trigger function processed: {assetId}");
var context = MediaContextHelper.CreateContext();
var asset = context.Assets.Where(a => a.Id == assetId).FirstOrDefault();
if (asset == null)
{
return;
}
var locator = await context.Locators.CreateAsync(
LocatorType.OnDemandOrigin,
asset,
AccessPermissions.Read,
TimeSpan.FromDays(365 * 10));
updateCMSQueue.Add(new UpdateReferenceMessage
{
AssetId = asset.Id,
Status = AssetWorkflowStatus.Published
});
}
public static async Task Run(
[QueueTrigger("%ContentProtectionJobsQueueName%", Connection = "MediaStorageAccount")]
string assetId,
[Queue("%PublishJobsQueueName%", Connection = "MediaStorageAccount")]
ICollector <string> outputPublishQueue,
TraceWriter log)
{
log.Info($"C# Queue trigger function processed: {assetId}");
var context = MediaContextHelper.CreateContext();
var asset = context.Assets.Where(a => a.Id == assetId).FirstOrDefault();
if (asset == null)
{
return;
}
// PlayReady + Widevine
await AddPlayReadyWidevineEncryption(context, asset);
// FairPlay
await AddFairPlayEncryption(context, asset);
outputPublishQueue.Add(asset.Id);
}
public static async Task Run(
[BlobTrigger("%BlobIngestContainer%/{name}", Connection = "MediaStorageAccount")]
CloudBlockBlob blob,
TraceWriter log)
{
log.Info($"C# Blob trigger function Processed blob Name: {blob.Name}");
// We're avoiding incomplete blob processing. Eventually the engine
// will pick it up from the container, when it's completed.
if (blob.CopyState.Status != CopyStatus.Success)
{
return;
}
var mediaStorageAccountCredentials = blob.ServiceClient.Credentials;
var context = MediaContextHelper.CreateContext();
var asset = await context.Assets.CreateFromBlobAsync(blob,
mediaStorageAccountCredentials,
AssetCreationOptions.None,
CancellationToken.None);
// Add the Alternate ID original stored on the Blob Name as partial path
asset.AlternateId = blob.Name.Split('-').First();
await asset.UpdateAsync();
var mediaEncoderStandardTaskPreset =
Environment.GetEnvironmentVariable("MediaEncoderStandardTaskPreset");
var job = context.Jobs.CreateWithSingleTask(
MediaProcessorNames.MediaEncoderStandard,
mediaEncoderStandardTaskPreset,
asset,
$"{asset.Name} MES encoded",
AssetCreationOptions.None);
var notificationName = Environment.GetEnvironmentVariable("QueueNotificationEndpointName");
var queueName = Environment.GetEnvironmentVariable("EncodeJobsQueueName");
var endpoint = await GetOrCreateQueueNotificationEndpoint(context, notificationName, queueName);
job.JobNotificationSubscriptions.AddNew(NotificationJobState.All, endpoint);
await job.SubmitAsync();
// Clean up the original Blob from the Storage Account.
await blob.DeleteIfExistsAsync();
}
public static async Task Run(
[QueueTrigger("%EncodeJobsQueueName%", Connection = "MediaStorageAccount")]
dynamic queueItem,
[Queue("%ContentProtectionJobsQueueName%", Connection = "MediaStorageAccount")]
ICollector <string> outputContentProtectionQueue,
TraceWriter log)
{
log.Info($"C# Queue trigger function processed: {queueItem}");
if (queueItem.Properties.NewState != JobState.Finished.ToString())
{
return;
}
var context = MediaContextHelper.CreateContext();
var jobId = (string)queueItem.Properties.JobId;
var job = context.Jobs.Where(j => j.Id == jobId).FirstOrDefault();
if (job == null)
{
return;
}
// Copy the Alternate ID from the Mezzanine Asset to the Output Asset
var mezzanineAsset = job.InputMediaAssets.FirstOrDefault();
var outputAsset = job.OutputMediaAssets.FirstOrDefault();
outputAsset.AlternateId = mezzanineAsset.AlternateId;
await outputAsset.UpdateAsync();
// Cleanup mezzanine asset
await mezzanineAsset.DeleteAsync();
// Add Content Protection
outputContentProtectionQueue.Add(outputAsset.Id);
}
public static async Task Run(
[QueueTrigger("%UpdateCMSQueueName%", Connection = "MediaStorageAccount")]
UpdateReferenceMessage message,
TraceWriter log)
{
log.Info($"C# Queue trigger function processed: {message.AssetId}");
var context = MediaContextHelper.CreateContext();
var asset = context.Assets.Where(a => a.Id == message.AssetId).FirstOrDefault();
// We're filtering out the Published options, however this would be a great
// place to update with error status and implement and error control flow.
// e.g. Needs re-encoding and such.
if (asset == null || message.Status != AssetWorkflowStatus.Published)
{
return;
}
// At this point you have the asset to do call the CMS and update it, all the required
// information for the CMS, will be read from the Asset Metadata as follows.
var metadata = await asset.GetMetadataAsync(CancellationToken.None);
// Sometimes by the time we reach this point the locator ain't ready. Hence we're
// we're throwing an exception when metadata isn't ready, to reprocess on a
// future iteration.
if (metadata == null || metadata.Count() == 0)
{
throw new Exception($"Asset {asset.Id} metadata is not ready yet.");
}
var aggregatedMetadata = new
{
AssetId = asset.Id,
AssetAlternateId = asset.AlternateId,
BaseStreamingUri = asset.GetSmoothStreamingUri(),
Duration = metadata.Max(m => m.Duration),
AudioTracksCount = metadata.Max(m => m.AudioTracks.Count()),
VideoBitratesCount = metadata.Count(),
Bitrate = metadata.SelectMany(m => m.VideoTracks).Max(vt => vt.Bitrate),
Height = metadata.SelectMany(m => m.VideoTracks).Max(vt => vt.Height),
Width = metadata.SelectMany(m => m.VideoTracks).Max(vt => vt.Width),
AspectRatio = metadata.SelectMany(m => m.VideoTracks).Select(vt => $"{vt.DisplayAspectRatioNumerator}:{vt.DisplayAspectRatioDenominator}").FirstOrDefault()
};
log.Info($"AssetId: {aggregatedMetadata.AssetId}");
log.Info($"AssetAlternateId: {aggregatedMetadata.AssetAlternateId}");
log.Info($"Base Streaming URL: {asset.GetSmoothStreamingUri()}");
log.Info($"Duration: {aggregatedMetadata.Duration}");
log.Info($"Number of Audio Tracks: {aggregatedMetadata.AudioTracksCount}");
log.Info($"Number of Video Bitrates: {aggregatedMetadata.VideoBitratesCount}");
log.Info($"Bitrate: {aggregatedMetadata.Bitrate}");
log.Info($"Height: {aggregatedMetadata.Height}");
log.Info($"Width: {aggregatedMetadata.Width}");
log.Info($"AspectRatio: {aggregatedMetadata.AspectRatio}");
using (var client = new HttpClient())
{
await client.PostAsJsonAsync(
Environment.GetEnvironmentVariable("CMSCallbackUrl"), aggregatedMetadata);
}
}
