编码现有的 blob 而不是从本地文件夹上传

Encode existing blob instead of uploading from a local folder

我有一个 C# 程序可以从我的本地 folder.I 上传-编码-发布视频,想将 "filepath" 更改为 Azure 存储帐户中的 "URI of blob"。即,不是上传视频并编码发布,而是处理上传的视频并编码发布。任何人都请提出一种实现此方法的方法。

namespace OnDemandEncodingWithMES
{
    class Program
    {
        // Read values from the App.config file.

        static void Main(string[] args)
        {
            try
            {
                // Create and cache the Media Services credentials in a static class variable.
                _cachedCredentials = new MediaServicesCredentials(_mediaServicesAccountName,_mediaServicesAccountKey);

                Console.WriteLine("Upload a file.\n");
                IAsset inputAsset =
                    UploadFile(Path.(_mediaFiles, @"video.mp4"), AssetCreationOptions.None);

                Console.WriteLine("Generate thumbnails and get URLs.\n");
                IAsset thumbnailAsset = GenerateThumbnail(inputAsset, AssetCreationOptions.None);
                PublishAssetGetURLs(thumbnailAsset, false, ".bmp");

                Console.WriteLine("Encode to audio and get an on demand URL.\n");
                IAsset audioOnly = EncodeToAudioOnly(inputAsset, AssetCreationOptions.None);
                PublishAssetGetURLs(audioOnly);

                Console.WriteLine("Encode to adaptive bitraite MP4s and get on demand URLs.\n");
                IAsset encodedAsset =
                EncodeToAdaptiveBitrateMP4s(inputAsset, AssetCreationOptions.StorageEncrypted);

                PublishAssetGetURLs(encodedAsset);
            }
         }   
     } 
 }

勾选https://azure.microsoft.com/en-us/documentation/articles/media-services-copying-existing-blob/。示例显示如何从现有的 azure 存储帐户创建 azure 媒体服务资产