http客户端支持简单验证协议 (#1289)

* 加速track的准备速度

* 重命名为isAllTrackReady

* 无须缓冲帧时，暂不用转换为可缓存帧

* 支持简单验证协议

* 优化代码

Co-authored-by: 夏楚 <771730766@qq.com>

src/Http/HttpClient.cpp

@@ -9,6 +9,7 @@
  */
 
 #include <cstdlib>
+#include "Util/base64.h"
 #include "HttpClient.h"
 #include "Common/config.h"
 
@@ -39,6 +40,13 @@ void HttpClient::sendRequest(const string &strUrl, float fTimeOutSec) {
     if (_path.empty()) {
         _path = "/";
     }
+    auto pos = host.find('@');
+    if (pos != string::npos) {
+        //去除？后面的字符串
+        auto authStr = host.substr(0, pos);
+        host = host.substr(pos + 1, host.size());
+        _header.emplace("Authorization", "Basic " + encodeBase64(authStr));
+    }
     auto host_header = host;
     uint16_t port = atoi(FindField(host.data(), ":", NULL).data());
     if (port <= 0) {
@@ -322,4 +330,4 @@ void HttpClient::checkCookie(HttpClient::HttpHeader &headers) {
     }
 }
 
-} /* namespace mediakit */
\ No newline at end of file
+} /* namespace mediakit */