/// <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)
{
// Set a token signing key that you want to use
TokenSigningKey = Convert.FromBase64String(config.SymmetricKey);
// 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.
// 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.
ContentKeyPolicy policy = await GetOrCreateContentKeyPolicyAsync(client, config.ResourceGroup, config.AccountName, ContentKeyPolicyName, TokenSigningKey);
StreamingLocator locator = await CreateStreamingLocatorAsync(client, config.ResourceGroup, config.AccountName, outputAsset.Name, locatorName, ContentKeyPolicyName);
// In this example, we want to play the PlayReady (CENC) encrypted stream.
// We need to get the key identifier of the content key where its type is CommonEncryptionCenc.
string keyIdentifier = locator.ContentKeys.Where(k => k.Type == StreamingLocatorContentKeyType.CommonEncryptionCenc).First().Id.ToString();
Console.WriteLine($"KeyIdentifier = {keyIdentifier}");
// In order to generate our test token we must get the ContentKeyId to put in the ContentKeyIdentifierClaim claim.
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("You can use Edge/IE11 for PlayReady and Chrome/Firefox for Widevine.");
Console.WriteLine();
Console.WriteLine($"https://ampdemo.azureedge.net/?url={dashPath}&playready=true&widevine=true&token=Bearer%3D{token}");
Console.WriteLine();
}
Console.WriteLine("When finished testing press enter to cleanup.");
Console.Out.Flush();
Console.ReadLine();
Console.WriteLine("Cleaning up...");
await CleanUpAsync(client, config.ResourceGroup, config.AccountName, AdaptiveStreamingTransformName, ContentKeyPolicyName, new List <string> {
outputAsset.Name
}, job.Name);
}
// </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,
});
}
