From 3e38bb2672e8e93518da31cde858e202cfb9c869 Mon Sep 17 00:00:00 2001
From: lisyarus <lisyarus@gmail.com>
Date: Fri, 25 Jun 2021 13:46:23 +0300
Subject: [PATCH] Add audio::convert(sample)

---
 libs/audio/include/psemek/audio/sample.hpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/libs/audio/include/psemek/audio/sample.hpp b/libs/audio/include/psemek/audio/sample.hpp
index 5191ce98..31cb757d 100644
--- a/libs/audio/include/psemek/audio/sample.hpp
+++ b/libs/audio/include/psemek/audio/sample.hpp
@@ -18,4 +18,13 @@ namespace psemek::audio
 		return static_cast<sample>(std::min<int>(max, std::max<int>(min, std::round(v))));
 	}
 
+	// maps [-1, 1] range to samples
+	inline sample convert(float v)
+	{
+		static auto const min = static_cast<float>(std::numeric_limits<sample>::min());
+		static auto const max = static_cast<float>(std::numeric_limits<sample>::max());
+
+		return clamp(min + (v * 0.5f + 0.5f) * (max - min));
+	}
+
 }