我有一个Azure机器人,能够使用Bing Speech API获取wav音频文件并转换为文本。我试图将其连接到Skype。我想不出如何从附件中获取信息流。我的代码的第一部分找到ContentType ='audio'好的Skype附件:
public async Task<string> GetText(IMessageActivity messageActivity)
{
var connector = new ConnectorClient(new Uri(messageActivity.ServiceUrl));
try
{
var skypeAudioAttachment = messageActivity.Attachments?.FirstOrDefault(sa => sa.ContentType.Equals("audio"));
if (skypeAudioAttachment != null)
{
var stream = await GetAudioStream(connector, skypeAudioAttachment);
但是然后我尝试使用下面的代码(从Microsoft BotBuilder示例的Controller \ MessagesController.cs文件中获取:https://github.com/Microsoft/BotBuilder-Samples/tree/master/CSharp/intelligence-SpeechToText)来获取流:
private static async Task<Stream> GetAudioStream(ConnectorClient connector, Attachment audioAttachment)
{
using (var httpClient = new HttpClient())
{
// The Skype attachment URLs are secured by JwtToken,
// you should set the JwtToken of your bot as the authorization header for the GET request your bot initiates to fetch the image.
// https://github.com/Microsoft/BotBuilder/issues/662
var uri = new Uri(audioAttachment.ContentUrl);
if (uri.Host.EndsWith("skype.com") && uri.Scheme == "https")
{
httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", await GetTokenAsync(connector));
httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/octet-stream"));
}
return await httpClient.GetStreamAsync(uri);
}
}
private static async Task<string> GetTokenAsync(ConnectorClient connector)
{
var credentials = connector.Credentials as MicrosoftAppCredentials;
if (credentials != null)
{
return await credentials.GetTokenAsync();
}
return null;
}
失败,我想是因为我无法访问该网址。有谁知道如何掌握Skype音频流或知道我应该怎么做的示例?
ContentUrl的格式为:https://smba.trafficmanager.net/apis/v3/attachments/LONG_ID_GOES_HERE/views/original。我从httpClient.GetStreamAsync请求中得到的错误是“响应状态代码不指示成功:401(未授权)。”
谢谢
您找到解决方案了吗???我处于相同的情况