Alpha

2023-04-16 01:13:03 -04:00
parent d05c7c7104
commit 845af2ee47
93 changed files with 3987 additions and 1688 deletions
@@ -0,0 +1,79 @@
+/*
+ *   Copyright (c) 2022 Robin E. R. Davies
+ *   All rights reserved.
+
+ *   Permission is hereby granted, free of charge, to any person obtaining a copy
+ *   of this software and associated documentation files (the "Software"), to deal
+ *   in the Software without restriction, including without limitation the rights
+ *   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *   copies of the Software, and to permit persons to whom the Software is
+ *   furnished to do so, subject to the following conditions:
+
+ *   The above copyright notice and this permission notice shall be included in all
+ *   copies or substantial portions of the Software.
+
+ *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ *   SOFTWARE.
+ */
+
+#pragma once
+
+#include "PiPedalMath.hpp"
+
+namespace pipedal
+{
+    class DbDezipper
+    {
+    public:
+        void SetSampleRate(double rate);
+        void SetRate(float seconds);
+        void Reset(float db = -96);
+        void SetMinDb(float db = -96);
+
+        void SetTarget(float db)
+        {
+            if (db < minDb)
+                db = minDb;
+            if (db != targetDb)
+            {
+                targetDb = db;
+                count = 0;
+            }
+        }
+
+        bool IsIdle() const { return count < 0;}
+        inline float Tick()
+        {
+            if (count >= 0)
+            {
+                if (count-- <= 0)
+                {
+                    NextSegment();
+                }
+                float result = x;
+                x += dx;
+
+                return result;
+            }
+            return x;
+        }
+
+    private:
+        float minDb = -96;
+        double sampleRate = 44100;
+        float rate = 0.1;
+        float targetDb = -96;
+        float currentDb = -96;
+        float targetX = 0;
+        float x = 0;
+        float dx = 0;
+        int32_t count = -1;
+        float dbPerSegment;
+        void NextSegment();
+    };
+}