public static Job CreateJob([ActivityTrigger] DurableActivityContext context)
{
ValueTuple <MediaWorkflowManifest, string, Asset> jobInput = context.GetInput <(MediaWorkflowManifest, string, Asset)>();
MediaWorkflowManifest workflowManifest = jobInput.Item1;
string inputFileUrl = jobInput.Item2;
Asset inputAsset = jobInput.Item3;
Job job = null;
string insightId = null;
MediaClient mediaClient = new MediaClient(workflowManifest);
bool videoIndexer = workflowManifest.TransformPresets.Contains <MediaTransformPreset>(MediaTransformPreset.VideoIndexer);
bool audioIndexer = workflowManifest.TransformPresets.Contains <MediaTransformPreset>(MediaTransformPreset.AudioIndexer);
if (mediaClient.IndexerEnabled() && (videoIndexer || audioIndexer))
{
insightId = mediaClient.IndexerUploadVideo(inputFileUrl, inputAsset, workflowManifest.JobPriority, videoIndexer, audioIndexer);
}
Transform transform = mediaClient.GetTransform(workflowManifest.TransformPresets);
if (transform != null)
{
MediaJobOutputInsight outputInsight = new MediaJobOutputInsight()
{
Id = insightId,
VideoIndexer = videoIndexer,
AudioIndexer = audioIndexer
};
job = mediaClient.CreateJob(transform.Name, workflowManifest.JobName, null, workflowManifest.JobPriority, inputFileUrl, inputAsset, workflowManifest.OutputAssetStorage, workflowManifest.JobOutputPublish, outputInsight, false);
}
return(job);
}
public static Asset CreateAsset([ActivityTrigger] DurableActivityContext context)
{
ValueTuple <MediaWorkflowManifest, string> jobInput = context.GetInput <(MediaWorkflowManifest, string)>();
MediaWorkflowManifest workflowManifest = jobInput.Item1;
string fileName = jobInput.Item2;
MediaClient mediaClient = new MediaClient(workflowManifest);
CloudBlockBlob blob = _blobClient.GetBlockBlob(_containerName, null, fileName);
return(mediaClient.CreateAsset(workflowManifest.OutputAssetStorage, workflowManifest.AssetName, blob));
}
public static async Task Orchestrator([OrchestrationTrigger] DurableOrchestrationContext context)
{
ValueTuple <EventGridEvent, MediaWorkflowManifest> contextInput = context.GetInput <(EventGridEvent, MediaWorkflowManifest)>();
EventGridEvent queueMessage = contextInput.Item1;
MediaWorkflowManifest workflowManifest = contextInput.Item2;
string inputFileName = workflowManifest.InputFileName;
if (string.IsNullOrEmpty(inputFileName))
{
inputFileName = Path.GetFileName(queueMessage.Subject);
}
if (inputFileName.Equals(Constant.Storage.Blob.WorkflowContainerFiles, _stringComparison))
{
List <Task> parallelTasks = new List <Task>();
string[] blobNames = await context.CallActivityAsync <string[]>("MediaWorkflow-BlobList", null);
foreach (string blobName in blobNames)
{
ValueTuple <MediaWorkflowManifest, string> workflowInput = (workflowManifest, blobName);
if (workflowManifest.JobInputMode == MediaJobInputMode.Asset)
{
Task parallelTask = context.CallSubOrchestratorAsync("MediaWorkflow-InputModeAsset", workflowInput);
parallelTasks.Add(parallelTask);
}
else
{
Task parallelTask = context.CallSubOrchestratorAsync("MediaWorkflow-InputModeFile", workflowInput);
parallelTasks.Add(parallelTask);
}
}
await Task.WhenAll(parallelTasks);
}
else
{
ValueTuple <MediaWorkflowManifest, string> workflowInput = (workflowManifest, inputFileName);
if (workflowManifest.JobInputMode == MediaJobInputMode.Asset)
{
await context.CallSubOrchestratorAsync("MediaWorkflow-InputModeAsset", workflowInput);
}
else
{
await context.CallSubOrchestratorAsync("MediaWorkflow-InputModeFile", workflowInput);
}
}
}
private static bool InputComplete(EventGridEvent queueMessage, Stream manifestInput, out MediaWorkflowManifest workflowManifest)
{
workflowManifest = null;
bool inputComplete = false;
if (manifestInput != null)
{
string workflowManifestJson;
using (StreamReader manifestReader = new StreamReader(manifestInput))
{
workflowManifestJson = manifestReader.ReadToEnd();
}
workflowManifest = JsonConvert.DeserializeObject <MediaWorkflowManifest>(workflowManifestJson);
if (string.IsNullOrEmpty(workflowManifest.InputFileName))
{
inputComplete = !queueMessage.Subject.EndsWith(Constant.Storage.Blob.WorkflowManifestFile, _stringComparison);
}
else if (workflowManifest.InputFileName.Equals(Constant.Storage.Blob.WorkflowContainerFiles))
{
inputComplete = true;
}
else
{
CloudBlockBlob blob = _blobClient.GetBlockBlob(_containerName, null, workflowManifest.InputFileName);
inputComplete = blob.Exists();
}
}
return(inputComplete);
}
