Mercurial > sdl-ios-xcode
view src/audio/SDL_wave.h @ 1224:f033d9589ca1
Debug code should check right function names.
author | Ryan C. Gordon <icculus@icculus.org> |
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date | Wed, 04 Jan 2006 20:53:55 +0000 |
parents | b8d311d90021 |
children | c9b51268668f |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2004 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Sam Lantinga slouken@libsdl.org */ #ifdef SAVE_RCSID static char rcsid = "@(#) $Id$"; #endif /* WAVE files are little-endian */ /*******************************************/ /* Define values for Microsoft WAVE format */ /*******************************************/ #define RIFF 0x46464952 /* "RIFF" */ #define WAVE 0x45564157 /* "WAVE" */ #define FACT 0x74636166 /* "fact" */ #define LIST 0x5453494c /* "LIST" */ #define FMT 0x20746D66 /* "fmt " */ #define DATA 0x61746164 /* "data" */ #define PCM_CODE 0x0001 #define MS_ADPCM_CODE 0x0002 #define IMA_ADPCM_CODE 0x0011 #define WAVE_MONO 1 #define WAVE_STEREO 2 /* Normally, these three chunks come consecutively in a WAVE file */ typedef struct WaveFMT { /* Not saved in the chunk we read: Uint32 FMTchunk; Uint32 fmtlen; */ Uint16 encoding; Uint16 channels; /* 1 = mono, 2 = stereo */ Uint32 frequency; /* One of 11025, 22050, or 44100 Hz */ Uint32 byterate; /* Average bytes per second */ Uint16 blockalign; /* Bytes per sample block */ Uint16 bitspersample; /* One of 8, 12, 16, or 4 for ADPCM */ } WaveFMT; /* The general chunk found in the WAVE file */ typedef struct Chunk { Uint32 magic; Uint32 length; Uint8 *data; } Chunk;