beab4eb58b
driver" modules, one for PC speaker and one for digital output. Subversion-branch: /trunk/chocolate-doom Subversion-revision: 913
46 lines
1.5 KiB
C++
46 lines
1.5 KiB
C++
// Emacs style mode select -*- C++ -*-
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//-----------------------------------------------------------------------------
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//
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// Copyright(C) 2007 Simon Howard
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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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//
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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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//
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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
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// 02111-1307, USA.
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//
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// DESCRIPTION:
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// PC speaker interface.
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//
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//-----------------------------------------------------------------------------
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#ifndef PCSOUND_H
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#define PCSOUND_H
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typedef void (*pcsound_callback_func)(int *duration, int *frequency);
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// Initialise the PC speaker subsystem. The given function is called
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// periodically to request more sound data to play.
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int PCSound_Init(pcsound_callback_func callback_func);
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// Shut down the PC speaker subsystem.
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void PCSound_Shutdown(void);
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// Set the preferred output sample rate when emulating a PC speaker.
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// This must be called before PCSound_Init.
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void PCSound_SetSampleRate(int rate);
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#endif /* #ifndef PCSOUND_H */
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