From c820fbc591eb69e8e429a12f9ed33f21db761f56 Mon Sep 17 00:00:00 2001
From: Paul Fd <paul@ferrand.cc>
Date: Tue, 7 Apr 2020 22:01:37 +0200
Subject: [PATCH] Added sanity checks in Voice (disabled) and Synth

---
 src/sfizz/Synth.cpp |  5 +++++
 src/sfizz/Voice.cpp | 20 ++++++++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/src/sfizz/Synth.cpp b/src/sfizz/Synth.cpp
index 52dfba4c..814f5e5e 100644
--- a/src/sfizz/Synth.cpp
+++ b/src/sfizz/Synth.cpp
@@ -645,6 +645,11 @@ void sfz::Synth::renderBlock(AudioSpan<float> buffer) noexcept
 
     // Reset the dispatch counter
     dispatchDuration = Duration(0);
+
+    ASSERT(!hasNanInf(buffer.getConstSpan(0)));
+    ASSERT(!hasNanInf(buffer.getConstSpan(1)));
+    ASSERT(isValidAudio(buffer.getConstSpan(0)));
+    ASSERT(isValidAudio(buffer.getConstSpan(1)));
 }
 
 void sfz::Synth::noteOn(int delay, int noteNumber, uint8_t velocity) noexcept
diff --git a/src/sfizz/Voice.cpp b/src/sfizz/Voice.cpp
index 251a1167..fcb1d9fd 100644
--- a/src/sfizz/Voice.cpp
+++ b/src/sfizz/Voice.cpp
@@ -241,6 +241,12 @@ void sfz::Voice::renderBlock(AudioSpan<float> buffer) noexcept
 
     powerHistory.push(buffer.meanSquared());
     this->triggerDelay = absl::nullopt;
+#if 0
+    ASSERT(!hasNanInf(buffer.getConstSpan(0)));
+    ASSERT(!hasNanInf(buffer.getConstSpan(1)));
+    ASSERT(isValidAudio(buffer.getConstSpan(0)));
+    ASSERT(isValidAudio(buffer.getConstSpan(1)));
+#endif
 }
 
 void sfz::Voice::amplitudeEnvelope(absl::Span<float> modulationSpan) noexcept
@@ -515,6 +521,13 @@ void sfz::Voice::fillWithData(AudioSpan<float> buffer) noexcept
 
     sourcePosition = indices->back();
     floatPositionOffset = rightCoeffs->back();
+
+#if 0
+    ASSERT(!hasNanInf(buffer.getConstSpan(0)));
+    ASSERT(!hasNanInf(buffer.getConstSpan(1)));
+    ASSERT(isValidAudio(buffer.getConstSpan(0)));
+    ASSERT(isValidAudio(buffer.getConstSpan(1)));
+#endif
 }
 
 void sfz::Voice::fillWithGenerator(AudioSpan<float> buffer) noexcept
@@ -573,6 +586,13 @@ void sfz::Voice::fillWithGenerator(AudioSpan<float> buffer) noexcept
             }
         }
     }
+
+#if 0
+    ASSERT(!hasNanInf(buffer.getConstSpan(0)));
+    ASSERT(!hasNanInf(buffer.getConstSpan(1)));
+    ASSERT(isValidAudio(buffer.getConstSpan(0)));
+    ASSERT(isValidAudio(buffer.getConstSpan(1)));
+#endif
 }
 
 bool sfz::Voice::checkOffGroup(int delay, uint32_t group) noexcept