Add efacf056cd

dockerdoom/trunk/pcsound/pcsound.h

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+// Emacs style mode select   -*- C++ -*- 
+//-----------------------------------------------------------------------------
+//
+// Copyright(C) 2007 Simon Howard
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+// 02111-1307, USA.
+//
+// DESCRIPTION:
+//    PC speaker interface.
+//
+//-----------------------------------------------------------------------------
+
+#ifndef PCSOUND_H
+#define PCSOUND_H
+
+typedef void (*pcsound_callback_func)(int *duration, int *frequency);
+
+// Initialise the PC speaker subsystem.  The given function is called
+// periodically to request more sound data to play.
+
+int PCSound_Init(pcsound_callback_func callback_func);
+
+// Shut down the PC speaker subsystem.
+
+void PCSound_Shutdown(void);
+
+// Set the preferred output sample rate when emulating a PC speaker. 
+// This must be called before PCSound_Init.
+
+void PCSound_SetSampleRate(int rate);
+
+#endif /* #ifndef PCSOUND_H */
+