From 8e821c7f8ef72415d84e3f78270c1ae1a85a5304 Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Tue, 22 Nov 2022 16:52:10 +0100
Subject: EDI: do not fill logs with size mismatch entries

---
 src/input/Edi.cpp | 17 +++++++++++++----
 src/input/Edi.h   |  3 +++
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/src/input/Edi.cpp b/src/input/Edi.cpp
index ebeca77..692ecb3 100644
--- a/src/input/Edi.cpp
+++ b/src/input/Edi.cpp
@@ -140,8 +140,11 @@ size_t Edi::readFrame(uint8_t *buffer, size_t size)
     else if (not m_pending_sti_frame.frame.empty()) {
         // Can only happen when switching from timestamp-based buffer management!
         if (m_pending_sti_frame.frame.size() != size) {
-            etiLog.level(debug) << "EDI input " << m_name << " size mismatch: " <<
-                m_pending_sti_frame.frame.size() << " received, " << size << " requested";
+            if (not m_size_mismatch_printed) {
+                etiLog.level(debug) << "EDI input " << m_name << " size mismatch: " <<
+                    m_pending_sti_frame.frame.size() << " received, " << size << " requested";
+                m_size_mismatch_printed = true;
+            }
             memset(buffer, 0, size * sizeof(*buffer));
             m_stats.notifyUnderrun();
             return 0;
@@ -158,6 +161,7 @@ size_t Edi::readFrame(uint8_t *buffer, size_t size)
                     m_pending_sti_frame.frame.end(),
                     buffer);
             m_pending_sti_frame.frame.clear();
+            m_size_mismatch_printed = false;
             return size;
         }
     }
@@ -192,11 +196,15 @@ size_t Edi::readFrame(uint8_t *buffer, size_t size)
             m_stats.notifyPeakLevels(sti.audio_levels.left, sti.audio_levels.right);
 
             copy(sti.frame.cbegin(), sti.frame.cend(), buffer);
+            m_size_mismatch_printed = false;
             return size;
         }
         else {
-            etiLog.level(debug) << "EDI input " << m_name << " size mismatch: " <<
-                sti.frame.size() << " received, " << size << " requested";
+            if (not m_size_mismatch_printed) {
+                etiLog.level(debug) << "EDI input " << m_name << " size mismatch: " <<
+                    sti.frame.size() << " received, " << size << " requested";
+                m_size_mismatch_printed = true;
+            }
             memset(buffer, 0, size * sizeof(*buffer));
             m_stats.notifyUnderrun();
             return 0;
@@ -206,6 +214,7 @@ size_t Edi::readFrame(uint8_t *buffer, size_t size)
         memset(buffer, 0, size * sizeof(*buffer));
         m_is_prebuffering = true;
         etiLog.level(info) << "EDI input " << m_name << " re-enabling pre-buffering";
+        m_size_mismatch_printed = false;
         m_stats.notifyUnderrun();
         return 0;
     }
diff --git a/src/input/Edi.h b/src/input/Edi.h
index ca465bd..cf4c576 100644
--- a/src/input/Edi.h
+++ b/src/input/Edi.h
@@ -105,6 +105,9 @@ class Edi : public InputBase, public RemoteControllable {
         // State variable used in prebuffering-based buffer management
         bool m_is_prebuffering = true;
 
+        // Display the 'size mismatch' warning only once
+        bool m_size_mismatch_printed = false;
+
         /* When using prebuffering, consider the buffer to be full on the
          * receive side if it's above the overrun threshold.
          *
-- 
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