Source

selove / src / modules / sound / lullaby / Decoder.h

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/**
* Copyright (c) 2006-2012 LOVE Development Team
*
* 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 LOVE_SOUND_LULLABY_DECODER_H
#define LOVE_SOUND_LULLABY_DECODER_H

// LOVE
#include <sound/Decoder.h>
#include <filesystem/File.h>

#include <string>

namespace love
{
namespace sound
{
namespace lullaby
{
	class Decoder : public love::sound::Decoder
	{
	protected:

		// The encoded data. This should be replaced with buffered file
		// reads in the future.
		Data * data;

		// File extension.
		std::string ext;

		// When the decoder decodes data incrementally, it writes
		// this many bytes at a time (at most).
		int bufferSize;

		// The desired frequency of the samples. 44100, 22050, or 11025.
		int sampleRate;

		// Holds internal memory.
		void * buffer;

		// Set this to true when eof has been reached.
		bool eof;

	public:

		Decoder(Data * data, const std::string & ext, int bufferSize);

		virtual ~Decoder();

		// Implement some of love::sound::Decoder, but allow subclasses
		// to override them.
		virtual void * getBuffer() const;
		virtual int getSize() const;
		virtual int getSampleRate() const;
		virtual bool isFinished();

	}; // Decoder

} // lullaby
} // sound
} // love

#endif // LOVE_SOUND_LULLABY_DECODER_H