Added a way to activate/deactivate logging

src/sfizz/Config.h

@@ -43,6 +43,7 @@ namespace config {
     constexpr int maxBlockSize { 8192 };
     constexpr int preloadSize { 8192 };
     constexpr int loggerQueueSize { 16 };
+    constexpr bool loggingEnabled { true };
     constexpr size_t numChannels { 2 };
     constexpr int numBackgroundThreads { 4 };
     constexpr int numVoices { 64 };

src/sfizz/Logger.cpp

@@ -50,6 +50,9 @@ sfz::Logger::~Logger()
     keepRunning.clear();
     loggingThread.join();
 
+    if (!loggingEnabled)
+        return;
+
     if (!fileTimes.empty()) {
         std::stringstream fileLogFilename;
         fileLogFilename << this << "_"
@@ -85,11 +88,17 @@ sfz::Logger::~Logger()
 
 void sfz::Logger::logCallbackTime(std::chrono::duration<double> duration, int numVoices, int numSamples)
 {
+    if (!loggingEnabled)
+        return;
+
     callbackTimeQueue.try_push<CallbackTime>({ duration, numVoices, numSamples });
 }
 
 void sfz::Logger::logFileTime(std::chrono::duration<double> waitDuration, std::chrono::duration<double> loadDuration, uint32_t fileSize, absl::string_view filename)
 {
+    if (!loggingEnabled)
+        return;
+
     fileTimeQueue.try_push<FileTime>({ waitDuration, loadDuration, fileSize, filename });
 }
 
@@ -123,3 +132,14 @@ void sfz::Logger::moveEvents()
         std::this_thread::sleep_for(50ms);
     }
 }
+
+void sfz::Logger::enableLogging()
+{
+    loggingEnabled = false;
+}
+
+void sfz::Logger::disableLogging()
+{
+    loggingEnabled = false;
+    clearFlag.clear();
+}

src/sfizz/Logger.h

@@ -55,11 +55,13 @@ public:
     ~Logger();
     void setPrefix(const std::string& prefix);
     void clear();
+    void enableLogging();
+    void disableLogging();
     void logCallbackTime(std::chrono::duration<double> duration, int numVoices, int numSamples);
     void logFileTime(std::chrono::duration<double> waitDuration, std::chrono::duration<double> loadDuration, uint32_t fileSize, absl::string_view filename);
 private:
     void moveEvents();
-
+    bool loggingEnabled { config::loggingEnabled };
     std::string prefix { "" };
 
     atomic_queue::AtomicQueue2<CallbackTime, config::loggerQueueSize, true, true, false, true> callbackTimeQueue;
@@ -67,7 +69,6 @@ private:
     std::vector<CallbackTime> callbackTimes;
     std::vector<FileTime> fileTimes;
 
-
     std::atomic_flag keepRunning;
     std::atomic_flag clearFlag;
     std::thread loggingThread;