From 6cc3a9948b51193dfdcb0c3527d7f3d1ca38aa3c Mon Sep 17 00:00:00 2001
From: Jean-Michel Trivi <jmtrivi@google.com>
Date: Tue, 10 Sep 2013 09:15:18 -0700
Subject: LoudnessEnhancer audio effect implementation

Implementation based on DRC effect, controlled by a
 target gain.
 The target gain is used to amplify the signal at
 the input of the DRC, and to compute the knee
 of the DRC.

Bug 8413913

Change-Id: I386d64793a9fa3f7218e053d6f0a99f6836c02bd
---
 .../libeffects/loudness/common/core/basic_types.h  | 114 +++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 media/libeffects/loudness/common/core/basic_types.h

(limited to 'media/libeffects/loudness/common/core/basic_types.h')

diff --git a/media/libeffects/loudness/common/core/basic_types.h b/media/libeffects/loudness/common/core/basic_types.h
new file mode 100644
index 0000000..593e914
--- /dev/null
+++ b/media/libeffects/loudness/common/core/basic_types.h
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef LE_FX_ENGINE_COMMON_CORE_BASIC_TYPES_H_
+#define LE_FX_ENGINE_COMMON_CORE_BASIC_TYPES_H_
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <string>
+using ::std::string;
+using ::std::basic_string;
+#include <vector>
+using ::std::vector;
+
+#include "common/core/os.h"
+
+// -----------------------------------------------------------------------------
+// Definitions of common basic types:
+// -----------------------------------------------------------------------------
+
+#if !defined(G_COMPILE) && !defined(BASE_INTEGRAL_TYPES_H_)
+
+namespace le_fx {
+
+typedef signed char         schar;
+typedef signed char         int8;
+typedef short               int16;
+typedef int                 int32;
+typedef long long           int64;
+
+typedef unsigned char       uint8;
+typedef unsigned short      uint16;
+typedef unsigned int        uint32;
+typedef unsigned long long  uint64;
+
+}  // namespace le_fx
+
+#endif
+
+namespace le_fx {
+
+struct FloatArray {
+  int length;
+  float *data;
+
+  FloatArray(void) {
+    data = NULL;
+    length = 0;
+  }
+};
+
+struct Int16Array {
+  int length;
+  int16 *data;
+
+  Int16Array(void) {
+    data = NULL;
+    length = 0;
+  }
+};
+
+struct Int32Array {
+  int length;
+  int32 *data;
+
+  Int32Array(void) {
+    data = NULL;
+    length = 0;
+  }
+};
+
+struct Int8Array {
+  int length;
+  uint8 *data;
+
+  Int8Array(void) {
+    data = NULL;
+    length = 0;
+  }
+};
+
+//
+// Simple wrapper for waveform data:
+//
+class WaveData : public vector<int16> {
+ public:
+  WaveData();
+  ~WaveData();
+
+  void Set(int number_samples, int sampling_rate, int16 *data);
+  int sample_rate(void) const;
+  void set_sample_rate(int sample_rate);
+  bool Equals(const WaveData &wave_data, int threshold = 0) const;
+
+ private:
+  int sample_rate_;
+};
+
+}  // namespace le_fx
+
+#endif  // LE_FX_ENGINE_COMMON_CORE_BASIC_TYPES_H_
-- 
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