fix aws race condition when 2 start transcribes are sent at the same instant

Signed-off-by: Quan HL <quan.luuhoang8@gmail.com>

mod_aws_transcribe/aws_transcribe_glue.cpp

@@ -326,8 +326,8 @@ static void *SWITCH_THREAD_FUNC aws_transcribe_thread(switch_thread_t *thread, v
 		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "transcribe_thread: Error allocating streamer\n");
 		return nullptr;
 	}
-  if (!cb->vad) pStreamer->connect();
 	cb->streamer = pStreamer;
+  if (!cb->vad) pStreamer->connect();
 	pStreamer->processData(); //blocks until done
 
 	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "transcribe_thread: stopping cb %p\n", (void *) cb);

mod_azure_transcribe/azure_transcribe_glue.cpp

@@ -135,6 +135,13 @@ public:
       properties.SetProperty(PropertyId::Speech_SegmentationSilenceTimeoutMs, segmentationInterval);
     }
 
+		//https://learn.microsoft.com/en-us/azure/ai-services/speech-service/language-identification?tabs=once&pivots=programming-language-cpp#at-start-and-continuous-language-identification
+		const char* languageIdMode = switch_channel_get_variable(channel, "AZURE_LANGUAGE_ID_MODE");
+		if (languageIdMode) {
+			switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(psession), SWITCH_LOG_DEBUG, "setting SpeechServiceConnection_LanguageIdMode to %s \n", languageIdMode);
+			properties.SetProperty(PropertyId::SpeechServiceConnection_LanguageIdMode, languageIdMode);
+		}
+
 		// recognition mode - readonly according to Azure docs: 
 		// https://docs.microsoft.com/en-us/javascript/api/microsoft-cognitiveservices-speech-sdk/propertyid?view=azure-node-latest
 		/*