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65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001 Ludvig Strigeus
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* Copyright (C) 2001-2003 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 SOUND_VOC_H
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#define SOUND_VOC_H
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#include "stdafx.h"
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#include "common/scummsys.h"
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#if !defined(__GNUC__)
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#pragma START_PACK_STRUCTS
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#endif
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struct VocHeader {
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uint8 desc[20];
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uint16 datablock_offset;
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uint16 version;
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uint16 id;
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} GCC_PACK;
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struct VocBlockHeader {
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uint8 blocktype;
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uint8 size[3];
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uint8 sr;
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uint8 pack;
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} GCC_PACK;
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#if !defined(__GNUC__)
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#pragma END_PACK_STRUCTS
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#endif
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static inline int getSampleRateFromVOCRate(int vocSR) {
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if (vocSR == 0xa5 || vocSR == 0xa6) {
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return 11025;
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} else if (vocSR == 0xd2 || vocSR == 0xd3) {
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return 22050;
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} else {
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int sr = 1000000L / (256L - vocSR);
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warning("inexact sample rate used: %i (0x%x)", sr, vocSR);
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return sr;
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}
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}
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#endif
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