File: soundoutput_oss.h

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/*
**  ClanLib SDK
**  Copyright (c) 1997-2005 The ClanLib 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.
**
**  Note: Some of the libraries ClanLib may link to may have additional
**  requirements or restrictions.
**
**  File Author(s):
**
**    Magnus Norddahl
**    (if your name is missing here, please add it)
*/

#ifndef header_soundoutput_oss
#define header_soundoutput_oss

#if _MSC_VER > 1000
#pragma once
#endif

#include "../soundoutput_generic.h"

class CL_SoundOutput_OSS : public CL_SoundOutput_Generic
{
//! Construction:
public:
	CL_SoundOutput_OSS(int mixing_frequency);
	
	~CL_SoundOutput_OSS();

//! Attributes:
public:
	int dev_dsp_fd;

	int frag_size;

//! Operations:
public:
	//: Called when we have no samples to play - and wants to tell the soundcard
	//: about this possible event.
	virtual void silence();

	//: Returns true if all fragments are filled with data.
	virtual bool is_full();

	//: Returns the buffer size used by device (returned as num [stereo] samples).
	virtual int get_fragment_size();

	//: Writes a fragment to the soundcard.
	virtual void write_fragment(short *data);

	//: Waits until output source isn't full anymore.
	virtual void wait();

//! Implementation:
private:
};

#endif