use smaller value for publish timeout.

@@ -869,7 +869,7 @@ int SrsRtmpConn::do_publishing(SrsSource* source, SrsPublishRecvThread* trd)
         pprint->elapse();
 
         // cond wait for error.
-        trd->wait(SRS_CONSTS_RTMP_RECV_TIMEOUT_US / 1000);
+        trd->wait(SRS_CONSTS_RTMP_PUBLISHER_RECV_TIMEOUT_US / 1000);
 
         // check the thread error code.
         if ((ret = trd->error_code()) != ERROR_SUCCESS) {

@@ -74,6 +74,10 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 // the timeout to wait client data,
 // if timeout, close the connection.
 #define SRS_CONSTS_RTMP_RECV_TIMEOUT_US (int64_t)(30*1000*1000LL)
+// the timeout for publish recv.
+// we must use more smaller timeout, for the recv never know the status
+// of underlayer socket.
+#define SRS_CONSTS_RTMP_PUBLISHER_RECV_TIMEOUT_US (int64_t)(3*1000*1000LL)
 
 // the timeout to wait for client control message,
 // if timeout, we generally ignore and send the data to client,