forked from KolibriOS/kolibrios
66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
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/*
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SDL - Simple DirectMedia Layer
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Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Sam Lantinga
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slouken@devolution.com
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*/
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#ifdef SAVE_RCSID
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static char rcsid =
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"@(#) $Id: SDL_wave.h,v 1.2 2001/04/26 16:50:17 hercules Exp $";
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#endif
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/* WAVE files are little-endian */
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/*******************************************/
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/* Define values for Microsoft WAVE format */
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/*******************************************/
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#define RIFF 0x46464952 /* "RIFF" */
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#define WAVE 0x45564157 /* "WAVE" */
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#define FACT 0x74636166 /* "fact" */
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#define LIST 0x5453494c /* "LIST" */
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#define FMT 0x20746D66 /* "fmt " */
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#define DATA 0x61746164 /* "data" */
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#define PCM_CODE 0x0001
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#define MS_ADPCM_CODE 0x0002
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#define IMA_ADPCM_CODE 0x0011
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#define WAVE_MONO 1
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#define WAVE_STEREO 2
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/* Normally, these three chunks come consecutively in a WAVE file */
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typedef struct WaveFMT {
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/* Not saved in the chunk we read:
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Uint32 FMTchunk;
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Uint32 fmtlen;
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*/
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Uint16 encoding;
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Uint16 channels; /* 1 = mono, 2 = stereo */
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Uint32 frequency; /* One of 11025, 22050, or 44100 Hz */
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Uint32 byterate; /* Average bytes per second */
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Uint16 blockalign; /* Bytes per sample block */
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Uint16 bitspersample; /* One of 8, 12, 16, or 4 for ADPCM */
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} WaveFMT;
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/* The general chunk found in the WAVE file */
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typedef struct Chunk {
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Uint32 magic;
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Uint32 length;
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Uint8 *data; /* Data includes magic and length */
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} Chunk;
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