Add more granular App init log spam to try to determine what fails for a small subset of users

indra/llaudio/llaudioengine_fmodex.cpp

@@ -258,19 +258,29 @@ bool LLAudioEngine_FMODEX::init(const S32 num_channels, void* userdata)
 
 	int r_numbuffers, r_samplerate, r_channels, r_bits;
 	unsigned int r_bufferlength;
-	char r_name[256];
 	mSystem->getDSPBufferSize(&r_bufferlength, &r_numbuffers);
+	LL_INFOS("AppInit") << "LLAudioEngine_FMODEX::init(): r_bufferlength=" << r_bufferlength << " bytes" << LL_ENDL;
+	LL_INFOS("AppInit") << "LLAudioEngine_FMODEX::init(): r_numbuffers=" << r_numbuffers << LL_ENDL;
+
 	mSystem->getSoftwareFormat(&r_samplerate, NULL, &r_channels, NULL, NULL, &r_bits);
-	mSystem->getDriverInfo(0, r_name, 255, 0);
-	r_name[255] = '\0';
-	int latency = (int)(1000.0f * r_bufferlength * r_numbuffers / r_samplerate);
+	LL_INFOS("AppInit") << "LLAudioEngine_FMODEX::init(): r_samplerate=" << r_samplerate << "Hz" << LL_ENDL;
+	LL_INFOS("AppInit") << "LLAudioEngine_FMODEX::init(): r_channels=" << r_channels << LL_ENDL;
+	LL_INFOS("AppInit") << "LLAudioEngine_FMODEX::init(): r_bits =" << r_bits << LL_ENDL;
+
+	char r_name[512];
+	mSystem->getDriverInfo(0, r_name, 511, 0);
+	r_name[511] = '\0';
+	LL_INFOS("AppInit") << "LLAudioEngine_FMODEX::init(): r_name=\"" << r_name << "\"" <<  LL_ENDL;
 
-	LL_INFOS("AppInit") << "FMOD device: "<< r_name << "\n"
-		<< "FMOD Ex parameters: " << r_samplerate << " Hz * " << r_channels << " * " <<r_bits <<" bit\n"
-		<< "\tbuffer " << r_bufferlength << " * " << r_numbuffers << " (" << latency <<"ms)" << LL_ENDL;
+	int latency = 100; // optimistic default - i suspect if sample rate is 0, everything breaks. 
+	if ( r_samplerate != 0 )
+		latency = (int)(1000.0f * r_bufferlength * r_numbuffers / r_samplerate);
+	LL_INFOS("AppInit") << "LLAudioEngine_FMODEX::init(): latency=" << latency << "ms" << LL_ENDL;
 
 	mInited = true;
 
+	LL_INFOS("AppInit") << "LLAudioEngine_FMODEX::init(): initialization complete." << LL_ENDL;
+
 	return true;
 }