xref: /haiku/src/kits/game/GameSoundDevice.h (revision e7d2f0f0e8ba899556c14b1d9885b36d3cf7286a)

//------------------------------------------------------------------------------
//	Copyright (c) 2001-2002, OpenBeOS
//
//	Permission is hereby granted, free of charge, to any person obtaining a
//	copy of this software and associated documentation files (the "Software"),
//	to deal in the Software without restriction, including without limitation
//	the rights to use, copy, modify, merge, publish, distribute, sublicense,
//	and/or sell copies of the Software, and to permit persons to whom the
//	Software is furnished to do so, subject to the following conditions:
//
//	The above copyright notice and this permission notice shall be included in
//	all copies or substantial portions of the Software.
//
//	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
//	FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
//	DEALINGS IN THE SOFTWARE.
//
//	File Name:		GameSoundDevice.h
//	Author:			Christopher ML Zumwalt May (zummy@users.sf.net)
//	Description:	Manages the game producer. The class may change with out
//					notice and was only inteneded for use by the GameKit at
//					this time. Use at your own risk.
//------------------------------------------------------------------------------

#ifndef _GAMESOUNDDEVICE_H
#define _GAMESOUNDDEVICE_H

#include <GameSoundDefs.h>


class BMediaNode;
class GameSoundBuffer;
struct Connection;

class BGameSoundDevice {
public:
								BGameSoundDevice();
	virtual							~BGameSoundDevice();

			status_t				InitCheck() const;
	virtual const gs_audio_format &	Format() const;
	virtual const gs_audio_format &	Format(gs_id sound) const;

	virtual	status_t				CreateBuffer(gs_id * sound,
												 const gs_audio_format * format,
												 const void * data,
												 int64 frames);
	virtual status_t				CreateBuffer(gs_id * sound,
												 const void * object,
												 const gs_audio_format * format);
	virtual void					ReleaseBuffer(gs_id sound);

	virtual status_t				Buffer(gs_id sound,
											gs_audio_format * format,
											void *& data);

	virtual	bool					IsPlaying(gs_id sound);
	virtual	status_t				StartPlaying(gs_id sound);
	virtual status_t				StopPlaying(gs_id sound);

	virtual	status_t				GetAttributes(gs_id sound,
												gs_attribute * attributes,
												size_t attributeCount);
	virtual status_t				SetAttributes(gs_id sound,
											  	gs_attribute * attributes,
											  	size_t attributeCount);

protected:
			void					SetInitError(status_t error);

			gs_audio_format			fFormat;
private:
			status_t				Connect();
			int32					AllocateSound();

			status_t				fInitError;

			Connection *			fConnection;
			bool					fIsConnected;

			int32					fSoundCount;
			GameSoundBuffer **		fSounds;
};

BGameSoundDevice* 	GetDefaultDevice();
void				ReleaseDevice();

#endif