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49 lines
1.8 KiB
C
49 lines
1.8 KiB
C
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#ifndef __GP32STD_SOUND_H
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#define __GP32STD_SOUND_H
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// GPSOUNDBUF.userdata / Pointer to the buffer which needs to be refilled / Length of the buffer in bytes
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typedef void SoundProc(void *param, byte *buf, int len);
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typedef struct TGPSOUNDBUF {
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int32 freq;
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uint16 format;
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uint16 samples; // Buffer length (in samples)
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uint16 channels;
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uint16 padding; // Fix alignment problem
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void *userdata; // Userdata which gets passed to the callback function
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SoundProc *callback; // Callback function (just like in SDL)
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unsigned int pollfreq; // Frequency of the timer interrupt which polls the playing position
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// recommended value: 2*(playingfreq in Hz/GPSOUNDBUF.samples)
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unsigned int samplesize; // Size of one sample (8bit mono->1, 16bit stereo->4) - don't touch this
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} GPSOUNDBUF;
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int gp_soundBufStart(GPSOUNDBUF *sb);
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void gp_soundBufStop();
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#endif
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