From a312f5b5343112bb5b1a2ee10027ffc7a2dc6e2b Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Mon, 20 Mar 2017 02:35:26 +0100
Subject: Add CV dumping debug utility

---
 src/server/Buffer.cpp | 16 ++++++++++++++++
 src/server/Buffer.hpp |  4 ++++
 2 files changed, 20 insertions(+)

(limited to 'src')

diff --git a/src/server/Buffer.cpp b/src/server/Buffer.cpp
index cf313b67..8ed1d60a 100644
--- a/src/server/Buffer.cpp
+++ b/src/server/Buffer.cpp
@@ -431,6 +431,22 @@ Buffer::update_value_buffer(SampleCount offset)
 	}
 }
 
+#ifndef NDEBUG
+void
+Buffer::dump_cv(const RunContext& context) const
+{
+	float value = samples()[0];
+	fprintf(stderr, "{ 0000: %.02f\n", value);
+	for (uint32_t i = 0; i < context.nframes(); ++i) {
+		if (samples()[i] != value) {
+			value = samples()[i];
+			fprintf(stderr, "  %4d: %.02f\n", i, value);
+		}
+	}
+	fprintf(stderr, "}\n");
+}
+#endif
+
 void
 intrusive_ptr_add_ref(Buffer* b)
 {
diff --git a/src/server/Buffer.hpp b/src/server/Buffer.hpp
index 13e0a7eb..8742445f 100644
--- a/src/server/Buffer.hpp
+++ b/src/server/Buffer.hpp
@@ -195,6 +195,10 @@ public:
 	/// Set/add to audio buffer from the Sequence of Float in `src`
 	void render_sequence(const RunContext& context, const Buffer* src, bool add);
 
+#ifndef NDEBUG
+	void dump_cv(const RunContext& context) const;
+#endif
+
 	void set_capacity(uint32_t capacity) { _capacity = capacity; }
 
 	void set_buffer(void* buf) { assert(_external); _buf = buf; }
-- 
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