- initial import

src/engine/audio/Audio_DataWindow.h

@@ -0,0 +1,47 @@
+/* Copyright(C) 2007-2017 VoIPobjects (voipobjects.com)
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef __AUDIO_BUFFER_H
+#define __AUDIO_BUFFER_H
+
+#include "../helper/HL_ByteBuffer.h"
+#include "../helper/HL_Sync.h"
+
+namespace Audio
+{
+  class DataWindow
+  {
+  public:
+    DataWindow();
+    ~DataWindow();
+
+    void setCapacity(int capacity);
+    int capacity() const;
+
+    void addZero(int length);
+    void add(const void* data, int length);
+    void add(short sample);
+    int read(void* buffer, int length);
+    void erase(int length = -1);
+    const char* data() const;
+    char* mutableData();
+    int filled() const;
+    void setFilled(int filled);
+    void clear();
+
+    short shortAt(int index) const;
+    void setShortAt(short value, int index);
+    void zero(int length);
+
+    static void makeStereoFromMono(DataWindow& dst, DataWindow& src);
+
+  protected:
+    mutable Mutex mMutex;
+    char* mData;
+    int mFilled;
+    int mCapacity;
+  };
+}
+#endif