/// <summary>
/// Run the sample async.
/// </summary>
/// <param name="config">The parm is of type ConfigWrapper. This class reads values from local configuration file.</param>
/// <returns></returns>
// <RunAsync>
private static async Task RunAsync(ConfigWrapper config)
{
IAzureMediaServicesClient client = await CreateMediaServicesClientAsync(config);
// 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 locatorName = $"locator-{uniqueness}";
string outputAssetName = $"output-{uniqueness}";
// Ensure that you have the desired encoding Transform. This is really a one time setup operation.
Transform transform = await GetOrCreateTransformAsync(client, config.ResourceGroup, config.AccountName, AdaptiveStreamingTransformName);
// 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, AdaptiveStreamingTransformName, outputAsset.Name, jobName);
// In this demo code, we will poll for Job status
// 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.
job = await WaitForJobToFinishAsync(client, config.ResourceGroup, config.AccountName, AdaptiveStreamingTransformName, jobName);
if (job.State == JobState.Finished)
{
Console.WriteLine("Job finished.");
if (!Directory.Exists(OutputFolderName))
{
Directory.CreateDirectory(OutputFolderName);
}
// Generate a new random token signing key to use
RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider();
rng.GetBytes(TokenSigningKey);
//Create the content key policy that configures how the content key is delivered to end clients
// via the Key Delivery component of Azure Media Services.
ContentKeyPolicy policy = await GetOrCreateContentKeyPolicyAsync(client, config.ResourceGroup, config.AccountName, ContentKeyPolicyName);
StreamingLocator locator = await CreateStreamingLocatorAsync(client, config.ResourceGroup, config.AccountName, outputAsset.Name, locatorName, ContentKeyPolicyName);
// We are using the ContentKeyIdentifierClaim in the ContentKeyPolicy which means that the token presented
// to the Key Delivery Component must have the identifier of the content key in it. Since we didn't specify
// a content key when creating the StreamingLocator, the system created a random one for us. In order to
// generate our test token we must get the ContentKeyId to put in the ContentKeyIdentifierClaim claim.
string keyIdentifier = locator.ContentKeys.First().Id.ToString();
string token = GetTokenAsync(Issuer, Audience, keyIdentifier, TokenSigningKey);
string dashPath = await GetDASHStreamingUrlAsync(client, config.ResourceGroup, config.AccountName, locator.Name);
Console.WriteLine("Copy and paste the following URL in your browser to play back the file in the Azure Media Player.");
Console.WriteLine("Note, the player is set to use the AES token and the Bearer token is specified. ");
Console.WriteLine();
Console.WriteLine($"https://ampdemo.azureedge.net/?url={dashPath}&aes=true&aestoken=Bearer%3D{token}");
Console.WriteLine();
}
Console.WriteLine("When finished press enter to cleanup.");
Console.Out.Flush();
Console.ReadLine();
Console.WriteLine("Cleaning up...");
await CleanUpAsync(client, config.ResourceGroup, config.AccountName, AdaptiveStreamingTransformName, ContentKeyPolicyName);
}
// </GetCredentialsAsync>
/// <summary>
/// Creates the AzureMediaServicesClient object based on the credentials
/// supplied in local configuration file.
/// </summary>
/// <param name="config">The parm is of type ConfigWrapper. This class reads values from local configuration file.</param>
/// <returns></returns>
// <CreateMediaServicesClient>
private static async Task <IAzureMediaServicesClient> CreateMediaServicesClientAsync(ConfigWrapper config)
{
var credentials = await GetCredentialsAsync(config);
return(new AzureMediaServicesClient(config.ArmEndpoint, credentials)
{
SubscriptionId = config.SubscriptionId,
});
}