wavplay.h

#ifndef _WAVPLAY_H
#define _WAVPLAY_H

/*-
 * wavplay - a C library to play WAV sound via OSS/ALSA
 *
 * Copyright (c) 2011, 2012
 * Zhihao Yuan.  All rights reserved.
 *
 * Reference:
 * http://www.freshports.org/audio/waveplay/
 *
 * This file is distributed under the 2-clause BSD License.
 */

#include <stdint.h>
#include <stdio.h>

#ifndef USE_ALSA
#define DEV_NAME "/dev/dsp"
#else
#define DEV_NAME "default"
#endif

typedef struct _riffchunk {
	char		id[4];
	uint32_t	size;
} riffchunk_t;

typedef struct _wavheader {
	int16_t	format;
	int16_t	nchannels;
	int32_t	framerate;
	int32_t	byterate;
	int16_t	blocksize;
	int16_t	bitdepth;
} wavheader_t;

typedef struct _extdouble {
	int16_t		expon;
	uint32_t	himant;
	uint32_t	lomant;
} __attribute__((__packed__)) extdouble_t;

typedef struct _aifheader {
	int16_t		nchannels;
	int32_t		nframes;
	int16_t		bitdepth;
	extdouble_t	framerate;
	char		comptype[4];
} __attribute__((__packed__)) aifheader_t;

typedef struct _sunheader {
	uint32_t	size;
	int32_t		encoding;
	int32_t		framerate;
	int32_t		nchannels;
} __attribute__((__packed__)) sunheader_t;

typedef struct _wav_info {
	int	nchannels;
	int	nframes;
	int	sampwidth;
	int	framerate;
	int	devformat;
} wav_info_t;

#ifdef __cplusplus
extern "C" {
#endif

int wav_play(const char *filename);
int wav_send(FILE *stream);

int snd_init(void);
int snd_set(int format, /* OSS/ALSA format constant */
            int nchannels,
            int framerate);
int snd_send(FILE *stream,
             size_t size);
int snd_drop(void);
int snd_end(void);

#ifdef __cplusplus
}
#endif

#endif