modify cache folder name and various fixes from testing tts streaming (#50)

mod_azure_tts/azure_glue.cpp

@@ -59,7 +59,7 @@ extern "C" {
       return SWITCH_STATUS_FALSE;
     }
 
-    fullDirPath = std::string(baseDir) + "jambonz-tts-cache-files";
+    fullDirPath = std::string(baseDir) + "tts-cache-files";
 
     // Create the directory with read, write, and execute permissions for everyone
     mode_t oldMask = umask(0);
@@ -179,6 +179,7 @@ extern "C" {
 			speechConfig->SetEndpointId(a->endpointId);
 		}
 
+    try {
       auto speechSynthesizer = SpeechSynthesizer::FromConfig(speechConfig);
 
       speechSynthesizer->SynthesisStarted += [a](const SpeechSynthesisEventArgs& e) {
@@ -245,6 +246,10 @@ extern "C" {
 
       std::thread(start_synthesis, speechSynthesizer, text, a).detach();
       switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "azure_speech_feed_tts sent synthesize request\n");
+    } catch (const std::exception& e) {
+      switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "mod_azure_tts: Exception: %s\n", e.what());
+      return SWITCH_STATUS_FALSE;
+    }
     return SWITCH_STATUS_SUCCESS;
   }
 

mod_deepgram_tts/deepgram_glue.cpp

@@ -385,7 +385,7 @@ static size_t write_cb(void *ptr, size_t size, size_t nmemb, ConnInfo_t *conn) {
   auto d = conn->deepgram;
   CircularBuffer_t *cBuffer = (CircularBuffer_t *) d->circularBuffer;
   
-  if (conn->flushed) {
+  if (conn->flushed || cBuffer == nullptr) {
     /* this will abort the transfer */
     return 0;
   }
@@ -641,7 +641,7 @@ extern "C" {
       return SWITCH_STATUS_FALSE;
     }
 
-    fullDirPath = std::string(baseDir) + "jambonz-tts-cache-files";
+    fullDirPath = std::string(baseDir) + "tts-cache-files";
 
     // Create the directory with read, write, and execute permissions for everyone
     mode_t oldMask = umask(0);

mod_elevenlabs_tts/elevenlabs_glue.cpp

@@ -445,7 +445,7 @@ static size_t write_cb(void *ptr, size_t size, size_t nmemb, ConnInfo_t *conn) {
   CircularBuffer_t *cBuffer = (CircularBuffer_t *) el->circularBuffer;
   std::vector<uint16_t> pcm_data;
   
-  if (conn->flushed) {
+  if (conn->flushed || cBuffer == nullptr) {
     /* this will abort the transfer */
     return 0;
   }
@@ -688,7 +688,7 @@ extern "C" {
       return SWITCH_STATUS_FALSE;
     }
 
-    fullDirPath = std::string(baseDir) + "jambonz-tts-cache-files";
+    fullDirPath = std::string(baseDir) + "tts-cache-files";
 
     // Create the directory with read, write, and execute permissions for everyone
     mode_t oldMask = umask(0);

mod_playht_tts/playht_glue.cpp

@@ -436,7 +436,7 @@ static size_t write_cb(void *ptr, size_t size, size_t nmemb, ConnInfo_t *conn) {
   CircularBuffer_t *cBuffer = (CircularBuffer_t *) p->circularBuffer;
   std::vector<uint16_t> pcm_data;
   
-  if (conn->flushed) {
+  if (conn->flushed || cBuffer == nullptr) {
     /* this will abort the transfer */
     return 0;
   }
@@ -648,7 +648,7 @@ extern "C" {
       return SWITCH_STATUS_FALSE;
     }
 
-    fullDirPath = std::string(baseDir) + "jambonz-tts-cache-files";
+    fullDirPath = std::string(baseDir) + "tts-cache-files";
 
     // Create the directory with read, write, and execute permissions for everyone
     mode_t oldMask = umask(0);

mod_rimelabs_tts/rimelabs_glue.cpp

@@ -386,7 +386,7 @@ static size_t write_cb(void *ptr, size_t size, size_t nmemb, ConnInfo_t *conn) {
   auto d = conn->rimelabs;
   CircularBuffer_t *cBuffer = (CircularBuffer_t *) d->circularBuffer;
   
-  if (conn->flushed) {
+  if (conn->flushed || cBuffer == nullptr) {
     /* this will abort the transfer */
     return 0;
   }
@@ -626,7 +626,7 @@ extern "C" {
       return SWITCH_STATUS_FALSE;
     }
 
-    fullDirPath = std::string(baseDir) + "jambonz-tts-cache-files";
+    fullDirPath = std::string(baseDir) + "tts-cache-files";
 
     // Create the directory with read, write, and execute permissions for everyone
     mode_t oldMask = umask(0);

mod_whisper_tts/whisper_glue.cpp

@@ -436,7 +436,7 @@ static size_t write_cb(void *ptr, size_t size, size_t nmemb, ConnInfo_t *conn) {
   CircularBuffer_t *cBuffer = (CircularBuffer_t *) w->circularBuffer;
   std::vector<uint16_t> pcm_data;
   
-  if (conn->flushed) {
+  if (conn->flushed || cBuffer == nullptr) {
     /* this will abort the transfer */
     return 0;
   }
@@ -671,7 +671,7 @@ extern "C" {
       return SWITCH_STATUS_FALSE;
     }
 
-    fullDirPath = std::string(baseDir) + "jambonz-tts-cache-files";
+    fullDirPath = std::string(baseDir) + "tts-cache-files";
 
     // Create the directory with read, write, and execute permissions for everyone
     mode_t oldMask = umask(0);