/*
 * $Id: encode_riff.h,v 1.1 1997/02/28 14:02:58 tommy Exp $
 */

#ifndef _ENCODE_RIFF_H
#define _ENCODE_RIFF_H

#include <sys/types.h>

#define RIFF_MAGIC  'RIFF'
#define RIFF_TYPE   'WAVE'
#define RIFF_FORMAT 'fmt'
#define RIFF_DATA   'data'

typedef struct {
    u_int32_t magic;              /* always 'RIFF'                   */
    u_int32_t length;             /* length of file                  */
    u_int32_t chunk_type;         /* always 'WAVE'                   */
    u_int32_t chunk_format;       /* always 'fmt'                    */
    u_int32_t chunk_length;       /* length of data chunk            */
    u_int16_t format;             /* always 1 (PCM)                  */
    u_int16_t channels;           /* 1 (monoral) or 2 (stereo)       */
    u_int32_t sample_rate;        /* sampling rate (Hz)              */
    u_int32_t speed;              /* byte / sec                      */
    u_int16_t sample_size;        /* bytes / sample                  */
                                  /* mono:   1 (8bit) or 2 (16 bit)  */
                                  /* stereo: 2 (8 bit) or 4 (16 bit) */
    u_int16_t precision;          /* bits / sample 8, 12 or 16       */
    u_int32_t chunk_data;         /* always 'data'                   */
    u_int32_t data_length;        /* length of data chunk            */
} riff_header_t;
    
#endif /* _ENCODE_RIFF_H */