static void Main(string[] args)
{
ConfigWrapper config = new ConfigWrapper(new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
.AddEnvironmentVariables()
.Build());
TextModerator textModerator = new TextModerator(config);
string videoPath = "https://shigeyfampdemo.azurewebsites.net/videos/ignite.mp4";
try
{
Task <TextModerationResult> task1 = textModerator.ModerateVideo(videoPath);
TextModerationResult result = task1.Result;
Task <string> task2 = WebVttParser.LoadWebVtt(result.StreamingUrlDetails.VttUrl);
result.WebVtt = task2.Result;
List <CaptionTextModerationResult> captionTextResults = WebVttParser.ParseWebVtt(result.WebVtt);
Task <List <CaptionTextModerationResult> > task3 = textModerator.TextScreen(captionTextResults);
result.CaptionTextResults = task3.Result;
}
catch (Exception e)
{
Console.WriteLine("Error: ", e.ToString());
}
Console.WriteLine("Visual Modeation has finished.");
Console.WriteLine("Press any key to stop...");
Console.ReadKey();
}
public async Task <string> AddVideoTranscriptModerationResultToVideoReview(TextModerationResult result, string reviewId)
{
// Step 2 (c) - Add video transcript moderation result to Video Review
bool isSuccess = true;
isSuccess = await AddVideoTranscriptModerationResultToReviewWithContentModeratorReviewAPI(reviewId, result.captionTextResults);
if (!isSuccess)
{
throw new Exception("AddVideoTranscriptModerationResultToReviewWithContentModeratorReviewAPI call failed.");
}
return(reviewId);
}
private static async Task <TextModerationResult> ProcessTextModeration(string webVttUrl)
{
Console.WriteLine("[Content Moderator] Text moderation process started...");
TextModerationResult result = new TextModerationResult();
try
{
string webVttString = await WebVttParser.LoadWebVtt(webVttUrl);
result.webVtt = webVttString;
List <CaptionTextModerationResult> captionTextResults = WebVttParser.ParseWebVtt(webVttString);
result.captionTextResults = await textModerator.TextScreen(captionTextResults);
}
catch (Exception e)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("[Content Moderator] Text moderation process failed. Error: ", e.ToString());
Console.ForegroundColor = ConsoleColor.White;
}
Console.WriteLine("[Content Moderator] Text moderation process completed...");
return(result);
}
private static async Task <string> UploadVideoReview(VisualModerationResult vmResult, TextModerationResult tmResult)
{
Console.WriteLine("[Content Moderator] Video Review publishing started...");
string reviewId = string.Empty;
string videoFilePath = vmResult.VideoFilePath;
try
{
reviewId = await videoReviewUploader.CreateVideoReview(vmResult, tmResult);
await videoReviewUploader.AddVideoFramesToVideoReview(vmResult, reviewId);
await videoReviewUploader.AddVideoTranscriptToVideoReview(tmResult, reviewId);
await videoReviewUploader.AddVideoTranscriptModerationResultToVideoReview(tmResult, reviewId);
await videoReviewUploader.PublishVideoReview(reviewId);
}
catch (Exception e)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("[Content Moderator] Video Review publishing failed. Error: ", e.ToString());
Console.ForegroundColor = ConsoleColor.White;
}
FFmpegComponent.CleanUp(videoFilePath, reviewId);
Console.WriteLine("[Content Moderator] Video Review published Successfully and the review Id {0}", reviewId);
return(reviewId);
}
public async Task <string> CreateVideoReview(VisualModerationResult vmResult, TextModerationResult tmResult)
{
// Step 1 - Create Video Review
string reviewId = string.Empty;
List <FrameEvent> frameEventList = ExtractFrameEventListFromJson(vmResult.VisualModeratedJson);
frameEventList = MergeTextModerationResultToFrameEventList(frameEventList, tmResult.captionTextResults);
reviewId = await CreateVideoReviewWithContentModeratorReviewAPI(vmResult, frameEventList);
this.frameEventList = FixFrameNameInFrameEventList(frameEventList, reviewId);
return(reviewId);
}
public async Task <TextModerationResult> ModerateVideo(string videoPath)
{
string resourceGroup = this.textModeratorConfig.ResourceGroup;
string accountName = this.textModeratorConfig.AccountName;
IAzureMediaServicesClient client = await CreateMediaServicesClientAsync();
// 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;
TextModerationResult result = null;
try
{
string uniqueness = Guid.NewGuid().ToString();
string jobName = JobNamePrefix + uniqueness;
string streamingOutputAssetName = textModeratorConfig + uniqueness;
string analyticsOutputAssetName = textModeratorConfig + uniqueness;
JobInput jobInput = null;
List <Asset> outputAssetList = new List <Asset>();
Transform videoAnalyzerTransform = EnsureTransformExists(client, resourceGroup, accountName, VisualModerationTransformName);
if (videoPath.StartsWith("http://") || videoPath.StartsWith("https://"))
{
Uri inputVideoUri = new Uri(videoPath);
string baseUri = inputVideoUri.Scheme + "://" + inputVideoUri.Host;
for (int i = 0; i < inputVideoUri.Segments.Length - 1; i++)
{
baseUri = baseUri + inputVideoUri.Segments[i];
}
jobInput = new JobInputHttp(
baseUri: baseUri,
files: new List <String> {
inputVideoUri.Segments[inputVideoUri.Segments.Length - 1]
},
label: JobInputLabel
);
}
else
{
string inputAssetName = InputAssetNamePrefix + uniqueness;
CreateInputAssetWithUploading(client, resourceGroup, accountName, inputAssetName, videoPath).Wait();
jobInput = new JobInputAsset(assetName: inputAssetName, label: JobInputLabel);
}
List <JobOutput> jobOutputList = new List <JobOutput>();
Asset analyticsOutputAsset = CreateOutputAsset(client, resourceGroup, accountName, analyticsOutputAssetName);
outputAssetList.Add(analyticsOutputAsset);
jobOutputList.Add(new JobOutputAsset(assetName: analyticsOutputAsset.Name, label: JobAnalyticsOutputLabel));
if (this.textModeratorConfig.EnableStreamingVideo)
{
Asset streamingOutputAsset = CreateOutputAsset(client, resourceGroup, accountName, streamingOutputAssetName);
outputAssetList.Add(streamingOutputAsset);
jobOutputList.Add(new JobOutputAsset(assetName: streamingOutputAsset.Name, label: JobVideoOutputLabel));
}
JobOutput[] jobOutputs = jobOutputList.ToArray();
Job job = SubmitJob(client, resourceGroup, accountName, videoAnalyzerTransform.Name, jobName, jobInput, jobOutputs);
job = WaitForJobToFinish(client, resourceGroup, accountName, videoAnalyzerTransform.Name, jobName);
if (job.State == JobState.Finished)
{
Console.WriteLine("\nAMSv3 Job finished.");
List <StreamingLocator> locators = PublishAssets(client, resourceGroup, accountName, jobOutputList);
result = CreateVisualModeratorResult(client, resourceGroup, accountName, videoPath, locators);
using (var webClient = new WebClient())
{
webClient.Encoding = Encoding.UTF8;
result.VisualModerationJson = webClient.DownloadString(result.StreamingUrlDetails.ContentModerationJsonUrl);
result.OcrJson = webClient.DownloadString(result.StreamingUrlDetails.OcrJsonUrl);
}
}
else if (job.State == JobState.Error)
{
Console.WriteLine($"ERROR: Job finished with error message: {job.Outputs[0].Error.Message}");
Console.WriteLine($"ERROR: error details: {job.Outputs[0].Error.Details[0].Message}");
}
}
catch (ApiErrorException ex)
{
string code = ex.Body.Error.Code;
string message = ex.Body.Error.Message;
Console.WriteLine("ERROR:API call failed with error code: {0} and message: {1}", code, message);
}
return(result);
}
private TextModerationResult CreateVisualModeratorResult(IAzureMediaServicesClient client, string resourceGroup, string accountName, string videoPath, List <StreamingLocator> locators)
{
TextModerationResult result = new TextModerationResult();
result.StreamingUrlDetails = new PublishedUrlDetails();
result.VideoFilePath = videoPath;
var streamingEndpoint = client.StreamingEndpoints.Get(resourceGroup, accountName, "default");
UriBuilder uriBuilder = new UriBuilder();
uriBuilder.Scheme = "https";
uriBuilder.Host = streamingEndpoint.HostName;
foreach (var locator in locators)
{
if (locator.Name.StartsWith(VideoStreamingLocatorPrefix))
{
var paths = client.StreamingLocators.ListPaths(resourceGroup, accountName, locator.Name);
for (int i = 0; i < paths.StreamingPaths.Count; i++)
{
if (paths.StreamingPaths[i].Paths.Count > 0)
{
if (paths.StreamingPaths[i].StreamingProtocol == StreamingPolicyStreamingProtocol.SmoothStreaming)
{
uriBuilder.Path = paths.StreamingPaths[i].Paths[0];
result.StreamingUrlDetails.SmoothUri = uriBuilder.ToString();
}
else if (paths.StreamingPaths[i].StreamingProtocol == StreamingPolicyStreamingProtocol.Dash)
{
uriBuilder.Path = paths.StreamingPaths[i].Paths[0];
result.StreamingUrlDetails.MpegDashUri = uriBuilder.ToString();
}
else if (paths.StreamingPaths[i].StreamingProtocol == StreamingPolicyStreamingProtocol.Hls)
{
uriBuilder.Path = paths.StreamingPaths[i].Paths[0];
result.StreamingUrlDetails.HlsUri = uriBuilder.ToString();
}
}
}
result.VideoName = locator.Name;
result.AccessToken = null;
}
else if (locator.Name.StartsWith(AnalyticsStreamingLocatorPrefix))
{
var dlpaths = client.StreamingLocators.ListPaths(resourceGroup, accountName, locator.Name);
for (int i = 0; i < dlpaths.DownloadPaths.Count; i++)
{
if (dlpaths.DownloadPaths[i].EndsWith("transcript.vtt"))
{
uriBuilder.Path = dlpaths.DownloadPaths[i];
result.StreamingUrlDetails.VttUrl = uriBuilder.ToString();
}
else if (dlpaths.DownloadPaths[i].EndsWith("contentmoderation.json"))
{
uriBuilder.Path = dlpaths.DownloadPaths[i];
result.StreamingUrlDetails.VttUrl = uriBuilder.ToString();
}
else if (dlpaths.DownloadPaths[i].EndsWith("ocr.json"))
{
uriBuilder.Path = dlpaths.DownloadPaths[i];
result.StreamingUrlDetails.VttUrl = uriBuilder.ToString();
}
}
}
}
return(result);
}
