[VideoTranslation][csharp]Support lip sync and translate audio file. (#2855)

* Support lip sync and translate audio file.

* Remove old comment.

Author: DapengLi2016

samples/video-translation/csharp/VideoTranslationLib.Public/VideoTranslationLib.Public/DataContracts/DTOs/Public-2025-05-20/TranslationInput.cs

@@ -7,7 +7,6 @@ namespace Microsoft.SpeechServices.Cris.Http.DTOs.Public.VideoTranslation.Public
 
 using System;
 using System.Globalization;
-using System.Linq;
 
 public partial class TranslationInput
 {
@@ -24,4 +23,8 @@ public partial class TranslationInput
     public bool? ExportSubtitleInVideo { get; set; }
 
     public Uri VideoFileUrl { get; set; }
+
+    public Uri AudioFileUrl { get; set; }
+
+    public bool? EnableLipSync { get; set; }
 }

samples/video-translation/csharp/VideoTranslationSample/Program.cs

@@ -95,6 +95,8 @@ static async Task<int> DoRunAndReturnExitCodeAsync(BaseOptions baseOptions)
                             SubtitleMaxCharCountPerSegment = options.SubtitleMaxCharCountPerSegment,
                             ExportSubtitleInVideo = options.ExportSubtitleInVideo,
                             VideoFileUrl = options.VideoFileAzureBlobUrl,
+                            AudioFileUrl = options.AudioFileAzureBlobUrl,
+                            EnableLipSync = options.EnableLipSync ? true : null,
                         },
                     };
 
@@ -242,6 +244,8 @@ static async Task<int> DoRunAndReturnExitCodeAsync(BaseOptions baseOptions)
                             SubtitleMaxCharCountPerSegment = iteration.Input?.SubtitleMaxCharCountPerSegment,
                             ExportSubtitleInVideo = iteration.Input?.ExportSubtitleInVideo,
                             VideoFileUrl = options.VideoFileAzureBlobUrl,
+                            AudioFileUrl = options.AudioFileAzureBlobUrl,
+                            EnableLipSync = options.EnableLipSync ? true : null,
                         }
                     };