From 08b54f489b663793168764986c1d1a834c33add3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Torbj=C3=B6rn=20Andersson?=
 <eriktorbjorn@users.sourceforge.net>
Date: Wed, 13 Jan 2021 09:44:44 +0100
Subject: [PATCH] FLUIDSYNTH: Make FluidSynth logging less noisy by default

---
 audio/softsynth/fluidsynth.cpp | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/audio/softsynth/fluidsynth.cpp b/audio/softsynth/fluidsynth.cpp
index e0d7c4e3df33..fe2b0689c283 100644
--- a/audio/softsynth/fluidsynth.cpp
+++ b/audio/softsynth/fluidsynth.cpp
@@ -46,6 +46,29 @@
 #include "backends/platform/ios7/ios7_common.h"
 #endif
 
+static void logHandler(int level, const char *message, void *data) {
+	switch (level) {
+	case FLUID_PANIC:
+		error("FluidSynth: %s", message);
+		break;
+	case FLUID_ERR:
+		warning("FluidSynth: %s", message);
+		break;
+	case FLUID_WARN:
+		debug(2, "FluidSynth: %s", message);
+		break;
+	case FLUID_INFO:
+		debug(1, "FluidSynth: %s", message);
+		break;
+	case FLUID_DBG:
+		debug(3, "FluidSynth: %s", message);
+		break;
+	default:
+		fluid_default_log_function(level, message, data);
+		break;
+	}
+}
+
 class MidiDriver_FluidSynth : public MidiDriver_Emulated {
 private:
 	MidiChannel_MPU401 _midiChannels[16];
@@ -166,6 +189,12 @@ int MidiDriver_FluidSynth::open() {
 	if (_isOpen)
 		return MERR_ALREADY_OPEN;
 
+	fluid_set_log_function(FLUID_PANIC, logHandler, NULL);
+	fluid_set_log_function(FLUID_ERR, logHandler, NULL);
+	fluid_set_log_function(FLUID_WARN, logHandler, NULL);
+	fluid_set_log_function(FLUID_INFO, logHandler, NULL);
+	fluid_set_log_function(FLUID_DBG, logHandler, NULL);
+
 #if defined(FLUIDSYNTH_VERSION_MAJOR) && FLUIDSYNTH_VERSION_MAJOR > 1
 	// When provided with in-memory SoundFont data, only use the configured
 	// SoundFont instead if it's explicitly configured on the current game.