From e74146132c62818907dfd4801f5ab68db9eb3f09 Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Sun, 11 May 2014 18:15:01 +0200
Subject: Add silence detection

---
 src/StatsServer.cpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'src/StatsServer.cpp')

diff --git a/src/StatsServer.cpp b/src/StatsServer.cpp
index eb30ebd..38c4607 100644
--- a/src/StatsServer.cpp
+++ b/src/StatsServer.cpp
@@ -360,6 +360,9 @@ std::string InputStat::encodeStateJSON()
         case Unstable:
             ss << "\"Unstable\"";
             break;
+        case Silence:
+            ss << "\"Silent\"";
+            break;
         case Streaming:
             ss << "\"Streaming\"";
             break;
@@ -400,7 +403,14 @@ input_state_t InputStat::determineState(void)
         state = Unstable;
     }
     else {
-        state = Streaming;
+        /* The input is streaming, check if the audio level is too low */
+
+        if (m_silence_counter > INPUT_AUDIO_LEVEL_SILENCE_COUNT) {
+            state = Silence;
+        }
+        else {
+            state = Streaming;
+        }
     }
 
     return state;
-- 
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