Initial commit -- moved from https://github.com/LaurentGomila/SFML (bindings/c)

src/SFML/Audio/SoundStreamStruct.h

@@ -0,0 +1,97 @@
+////////////////////////////////////////////////////////////
+//
+// SFML - Simple and Fast Multimedia Library
+// Copyright (C) 2007-2009 Laurent Gomila (laurent.gom@gmail.com)
+//
+// This software is provided 'as-is', without any express or implied warranty.
+// In no event will the authors be held liable for any damages arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it freely,
+// subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented;
+//    you must not claim that you wrote the original software.
+//    If you use this software in a product, an acknowledgment
+//    in the product documentation would be appreciated but is not required.
+//
+// 2. Altered source versions must be plainly marked as such,
+//    and must not be misrepresented as being the original software.
+//
+// 3. This notice may not be removed or altered from any source distribution.
+//
+////////////////////////////////////////////////////////////
+
+#ifndef SFML_SOUNDSTREAMSTRUCT_H
+#define SFML_SOUNDSTREAMSTRUCT_H
+
+////////////////////////////////////////////////////////////
+// Headers
+////////////////////////////////////////////////////////////
+#include <SFML/Audio/SoundStream.hpp>
+
+
+////////////////////////////////////////////////////////////
+// Helper class implementing the callback forwarding from
+// C++ to C in sfSoundStream
+////////////////////////////////////////////////////////////
+class sfSoundStreamImpl : public sf::SoundStream
+{
+public :
+
+    sfSoundStreamImpl(sfSoundStreamGetDataCallback OnGetData,
+                      sfSoundStreamSeekCallback    OnSeek,
+                      unsigned int                 ChannelsCount,
+                      unsigned int                 SampleRate,
+                      void*                        UserData) :
+    myGetDataCallback(OnGetData),
+    mySeekCallback   (OnSeek),
+    myUserData       (UserData)
+    {
+        Initialize(ChannelsCount, SampleRate);
+    }
+
+private :
+
+    virtual bool OnGetData(Chunk& Data)
+    {
+        sfSoundStreamChunk Chunk = {NULL, 0};
+        bool Continue = (myGetDataCallback(&Chunk, myUserData) == sfTrue);
+
+        Data.Samples   = Chunk.Samples;
+        Data.NbSamples = Chunk.NbSamples;
+
+        return Continue;
+    }
+
+    virtual void OnSeek(sfUint32 TimeOffset)
+    {
+        if (mySeekCallback)
+            mySeekCallback(TimeOffset, myUserData);
+    }
+
+    sfSoundStreamGetDataCallback myGetDataCallback;
+    sfSoundStreamSeekCallback    mySeekCallback;
+    void*                        myUserData;
+};
+
+
+////////////////////////////////////////////////////////////
+// Internal structure of sfSoundStream
+////////////////////////////////////////////////////////////
+struct sfSoundStream
+{
+    sfSoundStream(sfSoundStreamGetDataCallback OnGetData,
+                  sfSoundStreamSeekCallback    OnSeek,
+                  unsigned int                 ChannelsCount,
+                  unsigned int                 SampleRate,
+                  void*                        UserData) :
+    This(OnGetData, OnSeek, ChannelsCount, SampleRate, UserData)
+    {
+    }
+
+    sfSoundStreamImpl This;
+};
+
+
+#endif // SFML_SOUNDSTREAMSTRUCT_H