move sample level dumping option to CLI;

configs/bridge-config.example.yml

@@ -175,9 +175,6 @@ system:
     # Amount of time (ms) to transmit preamble tone.
     preambleLength: 200
 
-    # Flag indicating the detected VOX sample level should be dumped to the log (useful for setting VOX levels).
-    dumpSampleLevel: false
-
     # Flag indicating whether a network grant demand packet will be sent before audio.
     grantDemand: false
 

src/bridge/BridgeMain.cpp

@@ -4,7 +4,7 @@
  * GPLv2 Open Source. Use is subject to license terms.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
- *  Copyright (C) 2024 Bryan Biedenkapp, N2PLL
+ *  Copyright (C) 2024,2026 Bryan Biedenkapp, N2PLL
  *
  */
 #include "Defines.h"
@@ -48,6 +48,8 @@ bool g_hideMessages = false;
 int g_inputDevice = -1;
 int g_outputDevice = -1;
 
+bool g_dumpSampleLevels = false;
+
 uint8_t* g_gitHashBytes = nullptr;
 
 #ifdef _WIN32
@@ -116,6 +118,7 @@ void usage(const char* message, const char* arg)
         "\n"
         "  -i        input audio device\n"
         "  -o        output audio device\n"
+        "  -level    dump sample levels\n"
 #ifdef _WIN32
         "\n"
         "  -winmm    use WinMM audio on Windows\n"
@@ -211,6 +214,9 @@ int checkArgs(int argc, char* argv[])
             g_backends[2] = ma_backend_null;
         }
 #endif
+        else if (IS("-level")) {
+            g_dumpSampleLevels = true;
+        }
         else if (IS("-v")) {
             ::fprintf(stdout, __PROG_NAME__ " %s (built %s)\r\n", __VER__, __BUILD__);
             ::fprintf(stdout, "Copyright (c) 2017-2026 Bryan Biedenkapp, N2PLL and DVMProject (https://github.com/dvmproject) Authors.\n");

src/bridge/BridgeMain.h

@@ -4,7 +4,7 @@
  * GPLv2 Open Source. Use is subject to license terms.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
- *  Copyright (C) 2024 Bryan Biedenkapp, N2PLL
+ *  Copyright (C) 2024,2026 Bryan Biedenkapp, N2PLL
  * 
  */
 /**
@@ -45,6 +45,9 @@ extern int g_inputDevice;
 /** @brief Audio Output Device Index. */
 extern int g_outputDevice;
 
+/** @brief (Global) Flag indicating local audio sample levels should be dumped to the log. */
+extern bool g_dumpSampleLevels;
+
 extern uint8_t* g_gitHashBytes;
 
 #ifdef _WIN32

src/bridge/HostBridge.cpp

@@ -242,7 +242,6 @@ HostBridge::HostBridge(const std::string& confFile) :
     m_rxStreamId(0U),
     m_txStreamId(0U),
     m_detectedSampleCnt(0U),
-    m_dumpSampleLevel(false),
     m_trace(false),
     m_debug(false),
     m_rtsPttEnable(false),
@@ -959,8 +958,6 @@ bool HostBridge::readParams()
     m_preambleTone = (uint16_t)systemConf["preambleTone"].as<uint32_t>(2175);
     m_preambleLength = (uint16_t)systemConf["preambleLength"].as<uint32_t>(200);
 
-    m_dumpSampleLevel = systemConf["dumpSampleLevel"].as<bool>(false);
-
     m_grantDemand = systemConf["grantDemand"].as<bool>(false);
 
     m_localAudio = systemConf["localAudio"].as<bool>(true);
@@ -1000,7 +997,6 @@ bool HostBridge::readParams()
     LogInfo("    Generate Preamble Tone: %s", m_preambleLeaderTone ? "yes" : "no");
     LogInfo("    Preamble Tone: %uhz", m_preambleTone);
     LogInfo("    Preamble Tone Length: %ums", m_preambleLength);
-    LogInfo("    Dump Sample Levels: %s", m_dumpSampleLevel ? "yes" : "no");
     LogInfo("    Grant Demands: %s", m_grantDemand ? "yes" : "no");
     LogInfo("    Local Audio: %s", m_localAudio ? "yes" : "no");
     LogInfo("    UDP Audio: %s", m_udpAudio ? "yes" : "no");
@@ -3055,12 +3051,12 @@ void* HostBridge::threadAudioProcess(void* arg)
                     }
                     maxSample = maxSample / 1000;
 
-                    if (bridge->m_dumpSampleLevel && bridge->m_detectedSampleCnt > 50U) {
+                    if (g_dumpSampleLevels && bridge->m_detectedSampleCnt > 50U) {
                         bridge->m_detectedSampleCnt = 0U;
                         ::LogInfoEx(LOG_HOST, "Detected Sample Level: %.2f", maxSample * 1000);
                     }
 
-                    if (bridge->m_dumpSampleLevel) {
+                    if (g_dumpSampleLevels) {
                         bridge->m_detectedSampleCnt++;
                     }
 

src/bridge/HostBridge.h

@@ -249,7 +249,6 @@ private:
     uint32_t m_txStreamId;
 
     uint8_t m_detectedSampleCnt;
-    bool m_dumpSampleLevel;
 
     static bool s_running;
     bool m_trace;