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59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001/2002 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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#ifndef SMUSH_MIXER_H
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#define SMUSH_MIXER_H
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#include "config.h"
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#ifdef DEBUG
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# ifndef NO_DEBUG_MIXER
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# define DEBUG_MIXER
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# endif
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#else
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# ifdef DEBUG_MIXER
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# error DEBUG_MIXER defined without DEBUG
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# endif
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#endif
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class _Channel;
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class SoundRenderer;
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/*! @brief The class for the player's sound mixer
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This class is used for sound mixing.
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It contains a list of current track and request them to mix.
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It then sends the mixed sound samples to the sound renderer.
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*/
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class Mixer {
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public:
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virtual ~Mixer() {};
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virtual bool init() = 0;
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virtual _Channel * findChannel(int32 track) = 0;
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virtual bool addChannel(_Channel * c) = 0;
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virtual bool handleFrame() = 0;
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virtual bool stop() = 0;
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};
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#endif
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