From 46127d27c3ab8331df23a200c0c2f62a59799cf6 Mon Sep 17 00:00:00 2001
From: Clo Yun-Hee Dufour <cloyunhee@gmail.com>
Date: Tue, 20 Dec 2022 07:29:03 +0100
Subject: [PATCH] Make it compile on Emscripten

---
 src/app/FormantGenerator.cpp | 24 +++++++++++++++++-------
 src/app/OneFormantFilter.h   |  2 +-
 2 files changed, 18 insertions(+), 8 deletions(-)

diff --git a/src/app/FormantGenerator.cpp b/src/app/FormantGenerator.cpp
index e51dddf..51c2fb4 100644
--- a/src/app/FormantGenerator.cpp
+++ b/src/app/FormantGenerator.cpp
@@ -4,14 +4,24 @@ using nativeformat::param::createParam;
 
 FormantGenerator::FormantGenerator(const AudioTime&           time,
                                    const std::vector<double>& input)
-    : BufferedGenerator(time),
-      m_filters({{800, 0, 80},
-                 {1150, -6, 90},
-                 {2900, -32, 120},
-                 {3900, -20, 130},
-                 {4650, -50, 140}}),
-      m_input(input) {
+    : BufferedGenerator(time), m_input(input) {
+    // Initializing it manually instead of an initializer list constructor because
+    // for some reason Emscripten doesn't like it
+    double initial[][3] = {{800, 0, 80},
+                           {1150, -6, 90},
+                           {2900, -32, 120},
+                           {3900, -20, 130},
+                           {4650, -50, 140}};
+
     for (int k = 0; k < kNumFormants; ++k) {
+        const double fk = initial[k][0];
+        const double gk = initial[k][1];
+        const double bk = initial[k][2];
+
+        m_filters[k].setFrequency(fk);
+        m_filters[k].setGain(gk);
+        m_filters[k].setBandwidth(bk);
+
         m_targetF[k] = m_filters[k].frequency();
         m_targetB[k] = m_filters[k].bandwidth();
         m_targetG[k] = m_filters[k].gain();
diff --git a/src/app/OneFormantFilter.h b/src/app/OneFormantFilter.h
index 314e25a..7691dd7 100644
--- a/src/app/OneFormantFilter.h
+++ b/src/app/OneFormantFilter.h
@@ -5,7 +5,7 @@
 
 class OneFormantFilter {
    public:
-    OneFormantFilter(double fc, double gain, double bw, double fs = 48000);
+    OneFormantFilter(double fc = 100, double gain = 0, double bw = 50, double fs = 48000);
 
     double sampleRate() const;
     void   setSampleRate(double fs);