public static async Task <HttpResponseData> Run([HttpTrigger(AuthorizationLevel.Function, "get", "post")] HttpRequestData req, FunctionContext executionContext)
{
var log = executionContext.GetLogger("SubmitSubclipJob");
log.LogInformation("C# HTTP trigger function processed a request.");
string triggerStart = DateTime.UtcNow.ToString("yyMMddHHmmss");
// Get request body data.
string requestBody = await new StreamReader(req.Body).ReadToEndAsync();
var data = (RequestBodyModel)JsonConvert.DeserializeObject(requestBody, typeof(RequestBodyModel));
// Return bad request if input asset name is not passed in
if (data.LiveEventName == null || data.LiveOutputName == null)
{
return(HttpRequest.ResponseBadRequest(req, "Please pass liveEventName and liveOutputName in the request body"));
}
data.IntervalSec ??= 60;
ConfigWrapper config = ConfigUtils.GetConfig();
IAzureMediaServicesClient client;
try
{
client = await Authentication.CreateMediaServicesClientAsync(config, log);
}
catch (Exception e)
{
if (e.Source.Contains("ActiveDirectory"))
{
log.LogError("TIP: Make sure that you have filled out the appsettings.json file before running this sample.");
}
log.LogError($"{e.Message}");
return(HttpRequest.ResponseBadRequest(req, e.Message));
}
// Set the polling interval for long running operations to 2 seconds.
// The default value is 30 seconds for the .NET client SDK
client.LongRunningOperationRetryTimeout = 2;
// Ensure that you have customized encoding Transform. This is really a one time setup operation.
Transform transform = await TransformUtils.CreateSubclipTransform(client, log, config.ResourceGroup, config.AccountName, SubclipTransformName);
var liveOutput = await client.LiveOutputs.GetAsync(config.ResourceGroup, config.AccountName, data.LiveEventName, data.LiveOutputName);
// let's analyze the client manifest and adjust times for the subclip job
var doc = await LiveManifest.TryToGetClientManifestContentAsABlobAsync(client, config.ResourceGroup, config.AccountName, liveOutput.AssetName);
var assetmanifestdata = LiveManifest.GetManifestTimingData(doc);
if (assetmanifestdata.Error)
{
return(HttpRequest.ResponseBadRequest(req, "Data cannot be read from live output / asset manifest."));
}
log.LogInformation("Timestamps : " + string.Join(",", assetmanifestdata.TimestampList.Select(n => n.ToString()).ToArray()));
var livetime = TimeSpan.FromSeconds(assetmanifestdata.TimestampEndLastChunk / (double)assetmanifestdata.TimeScale);
log.LogInformation($"Livetime : {livetime}");
var starttime = LiveManifest.ReturnTimeSpanOnGOP(assetmanifestdata, livetime.Subtract(TimeSpan.FromSeconds((int)data.IntervalSec)));
log.LogInformation($"Value starttime : {starttime}");
if (data.LastSubclipEndTime != null)
{
var lastEndTime = (TimeSpan)data.LastSubclipEndTime;
log.LogInformation($"Value lastEndTime : {lastEndTime}");
var delta = (livetime - lastEndTime - TimeSpan.FromSeconds((int)data.IntervalSec)).Duration();
log.LogInformation($"Delta: {delta}");
if (delta < (TimeSpan.FromSeconds(3 * (int)data.IntervalSec))) // less than 3 times the normal duration (3*60s)
{
starttime = lastEndTime;
log.LogInformation($"Value new starttime : {starttime}");
}
}
var duration = livetime - starttime;
log.LogInformation($"Value duration: {duration}");
if (duration == new TimeSpan(0)) // Duration is zero, this may happen sometimes !
{
return(HttpRequest.ResponseBadRequest(req, "Stopping. Duration of subclip is zero."));
}
// Output from the Job must be written to an Asset, so let's create one
Asset outputAsset = await AssetUtils.CreateAssetAsync(client, log, config.ResourceGroup, config.AccountName, liveOutput.Name + "-subclip-" + triggerStart, data.OutputAssetStorageAccount);
JobInput jobInput = new JobInputAsset(
assetName: liveOutput.AssetName,
start: new AbsoluteClipTime(starttime.Subtract(TimeSpan.FromMilliseconds(100))),
end: new AbsoluteClipTime(livetime.Add(TimeSpan.FromMilliseconds(100)))
);
Job job = await JobUtils.SubmitJobAsync(
client,
log,
config.ResourceGroup,
config.AccountName,
SubclipTransformName,
$"Subclip-{liveOutput.Name}-{triggerStart}",
jobInput,
outputAsset.Name
);
AnswerBodyModel dataOk = new()
{
SubclipAssetName = outputAsset.Name,
SubclipJobName = job.Name,
SubclipTransformName = SubclipTransformName,
SubclipEndTime = starttime + duration
};
return(HttpRequest.ResponseOk(req, dataOk));
}
}
public static async Task <HttpResponseData> Run([HttpTrigger(AuthorizationLevel.Function, "get", "post")] HttpRequestData req, FunctionContext executionContext)
{
var log = executionContext.GetLogger("PublishAsset");
log.LogInformation("C# HTTP trigger function processed a request.");
// Get request body data.
string requestBody = await new StreamReader(req.Body).ReadToEndAsync();
var data = (RequestBodyModel)JsonConvert.DeserializeObject(requestBody, typeof(RequestBodyModel));
// Return bad request if input asset name is not passed in
if (data.AssetName == null)
{
return(HttpRequest.ResponseBadRequest(req, "Please pass assetName in the request body"));
}
if (data.StreamingPolicyName == null)
{
return(HttpRequest.ResponseBadRequest(req, "Please pass streamingPolicyName in the request body"));
}
ConfigWrapper config = ConfigUtils.GetConfig();
IAzureMediaServicesClient client;
try
{
client = await Authentication.CreateMediaServicesClientAsync(config, log);
log.LogInformation("AMS Client created.");
}
catch (Exception e)
{
if (e.Source.Contains("ActiveDirectory"))
{
log.LogError("TIP: Make sure that you have filled out the appsettings.json file before running this sample.");
}
log.LogError($"{e.Message}");
return(HttpRequest.ResponseBadRequest(req, e.Message));
}
// 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().Substring(0, 13);
List <StreamingLocatorContentKey> contentKeys = new List <StreamingLocatorContentKey>();
Guid streamingLocatorId = Guid.NewGuid();
if (data.StreamingLocatorId != null)
{
streamingLocatorId = new Guid((string)(data.StreamingLocatorId));
}
string streamingLocatorName = "streaminglocator-" + streamingLocatorId.ToString();
StreamingPolicy streamingPolicy;
Asset asset;
try
{
asset = await client.Assets.GetAsync(config.ResourceGroup, config.AccountName, data.AssetName);
if (asset == null)
{
return(HttpRequest.ResponseBadRequest(req, "Asset not found"));
}
streamingPolicy = await client.StreamingPolicies.GetAsync(config.ResourceGroup, config.AccountName, data.StreamingPolicyName);
if (streamingPolicy == null)
{
return(HttpRequest.ResponseBadRequest(req, "Streaming Policy not found"));
}
if (data.ContentKeyPolicyName != null)
{
ContentKeyPolicy contentKeyPolicy = null;
contentKeyPolicy = await client.ContentKeyPolicies.GetAsync(config.ResourceGroup, config.AccountName, data.ContentKeyPolicyName);
if (contentKeyPolicy == null)
{
return(HttpRequest.ResponseBadRequest(req, "Content Key Policy not found"));
}
}
if (data.ContentKeys != null)
{
JsonConverter[] jsonConverters =
{
new MediaServicesHelperJsonReader()
};
contentKeys = JsonConvert.DeserializeObject <List <StreamingLocatorContentKey> >(data.ContentKeys.ToString(), jsonConverters);
}
var streamingLocator = new StreamingLocator()
{
AssetName = data.AssetName,
StreamingPolicyName = data.StreamingPolicyName,
DefaultContentKeyPolicyName = data.ContentKeyPolicyName,
StreamingLocatorId = streamingLocatorId,
StartTime = data.StartDateTime,
EndTime = data.EndDateTime
};
if (contentKeys.Count != 0)
{
streamingLocator.ContentKeys = contentKeys;
}
streamingLocator.Validate();
await client.StreamingLocators.CreateAsync(config.ResourceGroup, config.AccountName, streamingLocatorName, streamingLocator);
}
catch (Exception e)
{
log.LogError("Error when publishing the asset.");
log.LogError($"{e.Message}");
return(HttpRequest.ResponseBadRequest(req, e.Message));
}
AnswerBodyModel dataOk = new()
{
StreamingLocatorName = streamingLocatorName,
StreamingLocatorId = streamingLocatorId
};
return(HttpRequest.ResponseOk(req, dataOk));
}
}
/// <summary>
/// Creates the AzureMediaServicesClient object based on the credentials
/// supplied in local configuration file.
/// </summary>
/// <param name="config">The param is of type ConfigWrapper, which reads values from local configuration file.</param>
/// <returns>A task.</returns>
private static async Task <IAzureMediaServicesClient> CreateMediaServicesClientAsync(ConfigWrapper config)
{
ServiceClientCredentials credentials = await GetCredentialsAsync(config);
return(new AzureMediaServicesClient(config.ArmEndpoint, credentials)
{
SubscriptionId = config.SubscriptionId
});
}
public static async Task <HttpResponseData> Run([HttpTrigger(AuthorizationLevel.Function, "get", "post")] HttpRequestData req, FunctionContext executionContext)
{
var log = executionContext.GetLogger("CreateEmptyAsset");
log.LogInformation("C# HTTP trigger function processed a request.");
// Get request body data.
string requestBody = await new StreamReader(req.Body).ReadToEndAsync();
var data = (RequestBodyModel)JsonConvert.DeserializeObject(requestBody, typeof(RequestBodyModel));
// Return bad request if input asset name is not passed in
if (data.AssetNamePrefix == null)
{
return(HttpRequest.ResponseBadRequest(req, "Please pass asset name prefix in the request body"));
}
ConfigWrapper config = ConfigUtils.GetConfig();
IAzureMediaServicesClient client;
try
{
client = await Authentication.CreateMediaServicesClientAsync(config, log);
log.LogInformation("AMS Client created.");
}
catch (Exception e)
{
if (e.Source.Contains("ActiveDirectory"))
{
log.LogError("TIP: Make sure that you have filled out the appsettings.json file before running this sample.");
}
log.LogError($"{e.Message}");
return(HttpRequest.ResponseBadRequest(req, e.Message));
}
// 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().Substring(0, 13);
string assetName = $"{data.AssetNamePrefix}-{uniqueness}";
Asset asset;
try
{
// let's create the asset
asset = await AssetUtils.CreateAssetAsync(client, log, config.ResourceGroup, config.AccountName, assetName, data.AssetStorageAccount);
log.LogInformation($"Asset '{assetName}' created.");
// let's get the asset to have full metadata like container
asset = await client.Assets.GetAsync(config.ResourceGroup, config.AccountName, assetName);
}
catch (Exception e)
{
log.LogError("Error when creating the asset.");
log.LogError($"{e.Message}");
return(HttpRequest.ResponseBadRequest(req, e.Message));
}
AnswerBodyModel dataOk = new()
{
AssetName = asset.Name,
AssetId = asset.AssetId,
Container = asset.Container
};
return(HttpRequest.ResponseOk(req, dataOk));
}
}