SDL_wave.h
资源名称:NETVIDEO.rar [点击查看]
上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:2k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 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: SDL_wave.h,v 1.4 2002/04/22 21:38:02 wmay Exp $";
- #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; /* Data includes magic and length */
- } Chunk;