private TransformOutput GetTransformOutput(MediaTransformOutput transformOutput, Image thumbnailCodec)
{
Preset transformPreset = null;
switch (transformOutput.PresetType)
{
case MediaTransformPreset.AdaptiveStreaming:
EncoderNamedPreset presetName = EncoderNamedPreset.AdaptiveStreaming;
if (!string.IsNullOrEmpty(transformOutput.PresetName))
{
presetName = transformOutput.PresetName;
}
transformPreset = new BuiltInStandardEncoderPreset(presetName);
break;
case MediaTransformPreset.ContentAwareEncoding:
transformPreset = new BuiltInStandardEncoderPreset(EncoderNamedPreset.ContentAwareEncodingExperimental);
break;
case MediaTransformPreset.ThumbnailImages:
case MediaTransformPreset.ThumbnailSprite:
transformPreset = GetThumbnailGeneration(thumbnailCodec);
break;
case MediaTransformPreset.VideoAnalyzer:
transformPreset = new VideoAnalyzerPreset()
{
InsightsToExtract = InsightsType.VideoInsightsOnly
};
break;
case MediaTransformPreset.AudioAnalyzer:
transformPreset = new AudioAnalyzerPreset();
break;
case MediaTransformPreset.FaceDetector:
transformPreset = new FaceDetectorPreset();
break;
}
if (transformPreset == null)
{
return(null);
}
else
{
return(new TransformOutput(transformPreset)
{
RelativePriority = transformOutput.RelativePriority,
OnError = transformOutput.OnError
});
}
}
private Preset GetAnalyzerPreset(bool audioOnly)
{
Preset analyzerPreset;
if (audioOnly)
{
analyzerPreset = new AudioAnalyzerPreset();
}
else
{
analyzerPreset = new VideoAnalyzerPreset();
}
return(analyzerPreset);
}
public Transform CreateTransform(string transformName, string transformDescription, MediaTransformOutput[] transformOutputs, int?thumbnailSpriteColumns)
{
Transform transform = null;
bool defaultName = string.IsNullOrEmpty(transformName);
List <TransformOutput> transformOutputPresets = new List <TransformOutput>();
foreach (MediaTransformOutput transformOutput in transformOutputs)
{
TransformOutput transformOutputPreset;
switch (transformOutput.TransformPreset)
{
case MediaTransformPreset.AdaptiveStreaming:
transformName = GetTransformName(defaultName, transformName, transformOutput);
BuiltInStandardEncoderPreset standardEncoderPreset = new BuiltInStandardEncoderPreset(EncoderNamedPreset.AdaptiveStreaming);
transformOutputPreset = GetTransformOutput(standardEncoderPreset, transformOutput);
transformOutputPresets.Add(transformOutputPreset);
break;
case MediaTransformPreset.ThumbnailImages:
transformName = GetTransformName(defaultName, transformName, transformOutput);
StandardEncoderPreset thumbnailPreset = GetThumbnailPreset(thumbnailSpriteColumns);
transformOutputPreset = GetTransformOutput(thumbnailPreset, transformOutput);
transformOutputPresets.Add(transformOutputPreset);
break;
case MediaTransformPreset.VideoAnalyzer:
transformName = GetTransformName(defaultName, transformName, transformOutput);
VideoAnalyzerPreset videoAnalyzerPreset = (VideoAnalyzerPreset)GetAnalyzerPreset(false);
transformOutputPreset = GetTransformOutput(videoAnalyzerPreset, transformOutput);
transformOutputPresets.Add(transformOutputPreset);
break;
case MediaTransformPreset.AudioAnalyzer:
transformName = GetTransformName(defaultName, transformName, transformOutput);
AudioAnalyzerPreset audioAnalyzerPreset = (AudioAnalyzerPreset)GetAnalyzerPreset(true);
transformOutputPreset = GetTransformOutput(audioAnalyzerPreset, transformOutput);
transformOutputPresets.Add(transformOutputPreset);
break;
}
}
if (transformOutputPresets.Count > 0)
{
transform = _media.Transforms.CreateOrUpdate(MediaAccount.ResourceGroupName, MediaAccount.Name, transformName, transformOutputPresets.ToArray(), transformDescription);
}
return(transform);
}
private void ListBoxOutputs_SelectedIndexChanged(object sender, EventArgs e)
{
TransformOutput output = _transform.Outputs.Skip(listBoxOutputs.SelectedIndex).Take(1).FirstOrDefault();
DGOutputs.Rows.Clear();
DGOutputs.Rows.Add("Preset type", output.Preset.GetType().ToString());
string presetJson;
if (output.Preset.GetType() == typeof(BuiltInStandardEncoderPreset))
{
BuiltInStandardEncoderPreset pmes = (BuiltInStandardEncoderPreset)output.Preset;
presetJson = JsonConvert.SerializeObject(pmes, Newtonsoft.Json.Formatting.Indented);
}
else if (output.Preset.GetType() == typeof(AudioAnalyzerPreset))
{
AudioAnalyzerPreset pmes = (AudioAnalyzerPreset)output.Preset;
presetJson = JsonConvert.SerializeObject(pmes, Newtonsoft.Json.Formatting.Indented);
}
else if (output.Preset.GetType() == typeof(StandardEncoderPreset))
{
StandardEncoderPreset pmes = (StandardEncoderPreset)output.Preset;
presetJson = JsonConvert.SerializeObject(pmes, Newtonsoft.Json.Formatting.Indented);
}
else if (output.Preset.GetType() == typeof(VideoAnalyzerPreset))
{
VideoAnalyzerPreset pmes = (VideoAnalyzerPreset)output.Preset;
presetJson = JsonConvert.SerializeObject(pmes, Newtonsoft.Json.Formatting.Indented);
}
else if (output.Preset.GetType() == typeof(FaceDetectorPreset))
{
FaceDetectorPreset pmes = (FaceDetectorPreset)output.Preset;
presetJson = JsonConvert.SerializeObject(pmes, Newtonsoft.Json.Formatting.Indented);
}
else
{
presetJson = JsonConvert.SerializeObject(output.Preset, Newtonsoft.Json.Formatting.Indented);
}
textBoxPresetJson.Text = presetJson;
DGOutputs.Rows.Add("Relative Priority", output.RelativePriority);
}
internal static void ValidateTransform(Transform transform, string expectedTransformName, string expectedTransformDescription, TransformOutput[] expectedOutputs)
{
Assert.Equal(expectedTransformDescription, transform.Description);
Assert.Equal(expectedTransformName, transform.Name);
Assert.Equal(expectedOutputs.Length, transform.Outputs.Count);
for (int i = 0; i < expectedOutputs.Length; i++)
{
Type expectedType = expectedOutputs[i].Preset.GetType();
Assert.Equal(expectedType, transform.Outputs[i].Preset.GetType());
if (typeof(BuiltInStandardEncoderPreset) == expectedType)
{
BuiltInStandardEncoderPreset expected = (BuiltInStandardEncoderPreset)expectedOutputs[i].Preset;
BuiltInStandardEncoderPreset actual = (BuiltInStandardEncoderPreset)transform.Outputs[i].Preset;
Assert.Equal(expected.PresetName, actual.PresetName);
}
else if (typeof(VideoAnalyzerPreset) == expectedType)
{
VideoAnalyzerPreset expected = (VideoAnalyzerPreset)expectedOutputs[i].Preset;
VideoAnalyzerPreset actual = (VideoAnalyzerPreset)transform.Outputs[i].Preset;
Assert.Equal(expected.InsightsToExtract, actual.InsightsToExtract);
Assert.Equal(expected.AudioLanguage, actual.AudioLanguage);
}
else if (typeof(AudioAnalyzerPreset) == expectedType)
{
AudioAnalyzerPreset expected = (AudioAnalyzerPreset)expectedOutputs[i].Preset;
AudioAnalyzerPreset actual = (AudioAnalyzerPreset)transform.Outputs[i].Preset;
Assert.Equal(expected.AudioLanguage, actual.AudioLanguage);
}
else
{
throw new InvalidOperationException($"Unexpected type {expectedType.Name}");
}
}
}
private void listBoxOutputs_SelectedIndexChanged(object sender, EventArgs e)
{
TransformOutput output = _transform.Outputs.Skip(listBoxOutputs.SelectedIndex).Take(1).FirstOrDefault();
DGOutputs.Rows.Clear();
DGOutputs.Rows.Add("Preset type", output.Preset.GetType().ToString());
if (output.Preset.GetType() == typeof(BuiltInStandardEncoderPreset))
{
BuiltInStandardEncoderPreset pmes = (BuiltInStandardEncoderPreset)output.Preset;
DGOutputs.Rows.Add("Preset name", pmes.PresetName);
}
else if (output.Preset.GetType() == typeof(AudioAnalyzerPreset))
{
AudioAnalyzerPreset pmes = (AudioAnalyzerPreset)output.Preset;
DGOutputs.Rows.Add("Audio language", pmes.AudioLanguage);
}
else if (output.Preset.GetType() == typeof(StandardEncoderPreset))
{
StandardEncoderPreset pmes = (StandardEncoderPreset)output.Preset;
// DGOutputs.Rows.Add("Audio language", pmes.);
}
else if (output.Preset.GetType() == typeof(VideoAnalyzerPreset))
{
VideoAnalyzerPreset pmes = (VideoAnalyzerPreset)output.Preset;
DGOutputs.Rows.Add("Audio language", pmes.AudioLanguage);
DGOutputs.Rows.Add("Insights To Extract", pmes.InsightsToExtract);
}
else if (output.Preset.GetType() == typeof(FaceDetectorPreset))
{
FaceDetectorPreset pmes = (FaceDetectorPreset)output.Preset;
DGOutputs.Rows.Add("Resolution", pmes.Resolution.HasValue ? pmes.Resolution.Value.ToString() : string.Empty);
}
DGOutputs.Rows.Add("Relative Priority", output.RelativePriority);
}
public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Function, "post", Route = null)] HttpRequest req,
ILogger log)
{
log.LogInformation($"AMS v3 Function - CreateTransform was triggered!");
string requestBody = new StreamReader(req.Body).ReadToEnd();
dynamic data = JsonConvert.DeserializeObject(requestBody);
if (data.transformName == null)
{
return(new BadRequestObjectResult("Please pass transformName in the input object"));
}
string transformName = data.transformName;
if (data.mode == null)
{
return(new BadRequestObjectResult("Please pass mode in the input object"));
}
string description = null;
if (data.description != null)
{
description = data.description;
}
string mode = data.mode;
if (mode != "simple" && mode != "advanced")
{
return(new BadRequestObjectResult("Please pass valid mode in the input object"));
}
//
// Simple Mode
//
if (mode == "simple" && data.preset == null)
{
return(new BadRequestObjectResult("Please pass preset in the input object"));
}
string presetName = data.preset;
if (presetName == "CustomPreset" && data.customPresetJson == null)
{
return(new BadRequestObjectResult("Please pass customPresetJson in the input object"));
}
//
// Advanced Mode
//
if (mode == "advanced" && data.transformOutputs == null)
{
return(new BadRequestObjectResult("Please pass transformOutputs in the input object"));
}
MediaServicesConfigWrapper amsconfig = new MediaServicesConfigWrapper();
string transformId = null;
JsonConverter[] jsonReaders =
{
new MediaServicesHelperJsonReader(),
new MediaServicesHelperTimeSpanJsonConverter()
};
try
{
IAzureMediaServicesClient client = MediaServicesHelper.CreateMediaServicesClientAsync(amsconfig);
// Does a Transform already exist with the desired name?
// Assume that an existing Transform with the desired name
// also uses the same recipe or Preset for processing content.
Transform transform = client.Transforms.Get(amsconfig.ResourceGroup, amsconfig.AccountName, transformName);
if (transform == null)
{
TransformOutput[] outputs = null;
List <TransformOutput> transformOutputs = new List <TransformOutput>();
if (mode == "simple")
{
Preset preset = null;
string audioLanguage = null;
if (data.audioLanguage != null)
{
audioLanguage = data.audioLanguage;
}
if (presetName == "VideoAnalyzer")
{
bool insightEnabled = false;
if (data.insightsToExtract != null && InsightTypeList.ContainsKey(data.insightsToExtract))
{
insightEnabled = true;
}
preset = new VideoAnalyzerPreset(audioLanguage, insightEnabled ? InsightTypeList[data.insightsToExtract] : null);
}
else if (presetName == "AudioAnalyzer")
{
preset = new AudioAnalyzerPreset(audioLanguage);
}
else if (presetName == "CustomPreset")
{
preset = JsonConvert.DeserializeObject <StandardEncoderPreset>(data.customPresetJson.ToString(), jsonReaders);
}
else
{
if (!EncoderNamedPresetList.ContainsKey(presetName))
{
return(new BadRequestObjectResult("Preset not found"));
}
preset = new BuiltInStandardEncoderPreset(EncoderNamedPresetList[presetName]);
}
OnErrorType onError = OnErrorType.StopProcessingJob;
string temp = data.onError;
if (!string.IsNullOrEmpty(temp) && OnErrorTypeList.ContainsKey(temp))
{
onError = OnErrorTypeList[temp];
}
Priority relativePriority = Priority.Normal;
temp = data.relativePriority;
if (!string.IsNullOrEmpty(temp) && PriorityList.ContainsKey(temp))
{
relativePriority = PriorityList[temp];
}
transformOutputs.Add(new TransformOutput(preset, onError, relativePriority));
outputs = transformOutputs.ToArray();
}
else if (mode == "advanced")
{
List <TransformOutput> transformOutputList = JsonConvert.DeserializeObject <List <TransformOutput> >(data.transformOutputs.ToString(), jsonReaders);
outputs = transformOutputList.ToArray();
}
else
{
return(new BadRequestObjectResult("Invalid mode found"));
}
// Create Transform
transform = client.Transforms.CreateOrUpdate(amsconfig.ResourceGroup, amsconfig.AccountName, transformName, outputs);
}
transformId = transform.Id;
}
catch (ApiErrorException e)
{
log.LogError($"ERROR: AMS API call failed with error code: {e.Body.Error.Code} and message: {e.Body.Error.Message}");
return(new BadRequestObjectResult("AMS API call error: " + e.Message + "\nError Code: " + e.Body.Error.Code + "\nMessage: " + e.Body.Error.Message));
}
catch (Exception e)
{
log.LogError($"ERROR: Exception with message: {e.Message}");
return(new BadRequestObjectResult("Error: " + e.Message));
}
return((ActionResult) new OkObjectResult(new
{
transformName = transformName,
transformId = transformId
}));
}
/// <summary>
/// Run the sample async.
/// </summary>
/// <param name="config">The param is of type ConfigWrapper. This class reads values from local configuration file.</param>
/// <returns></returns>
private static async Task RunAsync(ConfigWrapper config)
{
IAzureMediaServicesClient client;
try
{
client = await CreateMediaServicesClientAsync(config);
}
catch (Exception e)
{
Console.Error.WriteLine("TIP: Make sure that you have filled out the appsettings.json file before running this sample.");
Console.Error.WriteLine($"{e.Message}");
return;
}
// Set the polling interval for long running operations to 2 seconds.
// The default value is 30 seconds for the .NET client SDK
client.LongRunningOperationRetryTimeout = 2;
// Creating a unique suffix so that we don't have name collisions if you run the sample
// multiple times without cleaning up.
string uniqueness = Guid.NewGuid().ToString("N");
string jobName = $"job-{uniqueness}";
string outputAssetName = $"output-{uniqueness}";
string inputAssetName = $"input-{uniqueness}";
// Create an analyzer preset with audio insights.
Preset preset = new VideoAnalyzerPreset(audioLanguage: "en-US", insightsToExtract: InsightsType.AudioInsightsOnly);
// Ensure that you have the desired encoding Transform. This is really a one time setup operation.
// Once it is created, we won't delete it.
Transform audioAnalyzerTransform = await GetOrCreateTransformAsync(client, config.ResourceGroup, config.AccountName, AudioAnalyzerTransformName, preset);
// Create a new input Asset and upload the specified local media file into it.
await CreateInputAssetAsync(client, config.ResourceGroup, config.AccountName, inputAssetName, InputMP4FileName);
// Output from the encoding Job must be written to an Asset, so let's create one
Asset outputAsset = await CreateOutputAssetAsync(client, config.ResourceGroup, config.AccountName, outputAssetName);
Job job = await SubmitJobAsync(client, config.ResourceGroup, config.AccountName, AudioAnalyzerTransformName, jobName, inputAssetName, outputAsset.Name);
EventProcessorHost eventProcessorHost = null;
try
{
// First we will try to process Job events through Event Hub in real-time. If this fails for any reason,
// we will fall-back on polling Job status instead.
// Please refer README for Event Hub and storage settings.
string storageConnectionString = string.Format("DefaultEndpointsProtocol=https;AccountName={0};AccountKey={1}",
config.StorageAccountName, config.StorageAccountKey);
// Create a new host to process events from an Event Hub.
Console.WriteLine("Creating a new host to process events from an Event Hub...");
eventProcessorHost = new EventProcessorHost(config.EventHubName,
PartitionReceiver.DefaultConsumerGroupName, config.EventHubConnectionString,
storageConnectionString, config.StorageContainerName);
// Create an AutoResetEvent to wait for the job to finish and pass it to EventProcessor so that it can be set when a final state event is received.
AutoResetEvent jobWaitingEvent = new AutoResetEvent(false);
// Registers the Event Processor Host and starts receiving messages. Pass in jobWaitingEvent so it can be called back.
await eventProcessorHost.RegisterEventProcessorFactoryAsync(new MediaServicesEventProcessorFactory(jobName, jobWaitingEvent),
EventProcessorOptions.DefaultOptions);
// Create a Task list, adding a job waiting task and a timer task. Other tasks can be added too.
IList <Task> tasks = new List <Task>();
// Add a task to wait for the job to finish. The AutoResetEvent will be set when a final state is received by EventProcessor.
Task jobTask = Task.Run(() =>
jobWaitingEvent.WaitOne());
tasks.Add(jobTask);
// 30 minutes timeout.
var tokenSource = new CancellationTokenSource();
var timeout = Task.Delay(30 * 60 * 1000, tokenSource.Token);
tasks.Add(timeout);
// Wait for tasks.
if (await Task.WhenAny(tasks) == jobTask)
{
// Job finished. Cancel the timer.
tokenSource.Cancel();
// Get the latest status of the job.
job = await client.Jobs.GetAsync(config.ResourceGroup, config.AccountName, AudioAnalyzerTransformName, jobName);
}
else
{
// Timeout happened, Something might be wrong with job events. Fall-back on polling instead.
jobWaitingEvent.Set();
throw new Exception("Timeout happened.");
}
}
catch (Exception)
{
Console.WriteLine("Warning: Failed to connect to Event Hub, please refer README for Event Hub and storage settings.");
// Polling is not a recommended best practice for production applications because of the latency it introduces.
// Overuse of this API may trigger throttling. Developers should instead use Event Grid.
Console.WriteLine("Polling job status...");
job = await WaitForJobToFinishAsync(client, config.ResourceGroup, config.AccountName, AudioAnalyzerTransformName, jobName);
}
finally
{
if (eventProcessorHost != null)
{
Console.WriteLine("Job final state received, unregistering event processor...");
// Disposes of the Event Processor Host.
await eventProcessorHost.UnregisterEventProcessorAsync();
Console.WriteLine();
}
}
if (job.State == JobState.Finished)
{
Console.WriteLine("Job finished.");
if (!Directory.Exists(OutputFolderName))
{
Directory.CreateDirectory(OutputFolderName);
}
await DownloadOutputAssetAsync(client, config.ResourceGroup, config.AccountName, outputAsset.Name, OutputFolderName);
}
await CleanUpAsync(client, config.ResourceGroup, config.AccountName, AudioAnalyzerTransformName, inputAssetName, outputAssetName, jobName);
}
