scummvm/sound/voc.h
2003-09-07 20:23:38 +00:00

65 lines
1.5 KiB
C

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