adding set whisper log level

whisper_ros/include/whisper_utils/logs.hpp

@@ -45,6 +45,37 @@ extern LogFunction log_warn;  ///< Pointer to the warning logging function
 extern LogFunction log_info;  ///< Pointer to the info logging function
 extern LogFunction log_debug; ///< Pointer to the debug logging function
 
+/**
+ * @brief Enum representing different log levels for controlling log verbosity.
+ *
+ * This enum defines the severity levels of logs that can be used to control
+ * which log messages should be displayed. The levels are ordered from most
+ * severe to least severe. Only logs at or above the current log level will be
+ * shown.
+ */
+enum LogLevel {
+  /// Log level for error messages. Only critical errors should be logged.
+  ERROR = 0,
+  /// Log level for warning messages. Indicate potential issues that are not
+  /// critical.
+  WARN,
+  /// Log level for informational messages. General runtime information about
+  /// the system's state.
+  INFO,
+  /// Log level for debug messages. Used for detailed information, mainly for
+  /// developers.
+  DEBUG
+};
+
+/**
+ * @brief The current log level for the application.
+ *
+ * This global variable holds the current log level, which determines the
+ * verbosity of the logs. Logs at or above this level will be displayed. The
+ * default level is set to INFO.
+ */
+extern LogLevel log_level;
+
 /**
  * @brief Extracts the filename from a given file path.
  *
@@ -61,20 +92,36 @@ inline const char *extract_filename(const char *path) {
   return filename ? filename + 1 : path;
 }
 
-// Macros for logging with automatic file and function information
 #define WHISPER_LOG_ERROR(text, ...)                                           \
+  if (whisper_utils::log_level >= whisper_utils::ERROR)                        \
   whisper_utils::log_error(whisper_utils::extract_filename(__FILE__),          \
                            __FUNCTION__, __LINE__, text, ##__VA_ARGS__)
+
 #define WHISPER_LOG_WARN(text, ...)                                            \
+  if (whisper_utils::log_level >= whisper_utils::WARN)                         \
   whisper_utils::log_warn(whisper_utils::extract_filename(__FILE__),           \
                           __FUNCTION__, __LINE__, text, ##__VA_ARGS__)
+
 #define WHISPER_LOG_INFO(text, ...)                                            \
+  if (whisper_utils::log_level >= whisper_utils::INFO)                         \
   whisper_utils::log_info(whisper_utils::extract_filename(__FILE__),           \
                           __FUNCTION__, __LINE__, text, ##__VA_ARGS__)
+
 #define WHISPER_LOG_DEBUG(text, ...)                                           \
+  if (whisper_utils::log_level >= whisper_utils::DEBUG)                        \
   whisper_utils::log_debug(whisper_utils::extract_filename(__FILE__),          \
                            __FUNCTION__, __LINE__, text, ##__VA_ARGS__)
 
+/**
+ * @brief Sets the log level for the logs.
+ *
+ * This function allows the user to specify the log level error, warning, info,
+ * or debug.
+ *
+ * @param log_level Log level.
+ */
+void set_log_level(LogLevel log_level);
+
 } // namespace whisper_utils
 
 #endif // WHISPER_UTILS__LOGS_HPP

whisper_ros/src/silero_vad/vad_iterator.cpp

@@ -81,7 +81,7 @@ void VadIterator::reset_states() {
 
 Timestamp VadIterator::predict(const std::vector<float> &data) {
 
-  WHISPER_LOG_INFO("Processing audio data");
+  WHISPER_LOG_DEBUG("Processing audio data");
 
   // Pre-fill input with context
   this->input.clear();

whisper_ros/src/whisper_utils/logs.cpp

@@ -115,4 +115,9 @@ LogFunction log_warn = default_log_warn;
 LogFunction log_info = default_log_info;
 LogFunction log_debug = default_log_debug;
 
+// Initialize the log level to INFO
+LogLevel log_level = INFO;
+
+void set_log_level(LogLevel log_level) { log_level = log_level; }
+
 } // namespace whisper_utils