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/*
* tplay - buffered audio player header file
*
* (c) 1997 ilkka karvinen <ik@iki.fi>
*
* Copyright under the GNU GENERAL PUBLIC LICENSE
* (see the file COPYING in this directory)
*
*/
#ifndef __TPLAYCONTROL_H
#define __TPLAYCONTROL_H
extern "C" {
#include <stdio.h>
#include <string.h>
}
/* tplay version */
#define MAJOR_VERSION 0
#define MINOR_VERSION 5
#define PATCHLEVEL 5
/* Default audio parameters */
#define DEFAULT_BITS 16
#define DEFAULT_SPEED 44100
#define DEFAULT_CHANNELS 2
/* Audio memory pool. 512k is the default. */
#define BUFFER_SIZE 0x80000
/* The minimum and maximum buffer block sizes. */
#if 0
#define MIN_BLOCK_SIZE 0x4000 /* 16k */
#else
#define MIN_BLOCK_SIZE 4096
#endif
#define MAX_BLOCK_SIZE 0x10000 /* 64k */
#ifndef TRUE
#define TRUE 1
#define FALSE 0
#endif
/* The maximum retry count for buffer fill tries. */
#define RETRY_COUNT 5
/* Magics. Little-endian. */
#define RIFF_MAGIC 0x46464952 /* ASCII: 'RIFF' */
#define WAVE_MAGIC 0x45564157 /* ASCII: 'WAVE' */
#define DATA_MAGIC 0x61746164 /* ASCII: 'data' */
#define INFO_MAGIC 0x4f464e49 /* ASCII: 'INFO' */
#define SUN_MAGIC 0x2e736e64 /* ASCII: '.snd' */
/* Magics. Big-endian. */
#define SUN_INV_MAGIC 0x646e732e /* ASCII: '.snd' */
/* Sun headersize */
#define SUN_HDRSIZE 24
/* File types */
#define UNKNOWN_FILE 0
#define RIFF_FILE 1
#define SUN_FILE 2
typedef unsigned long DWORD;
typedef unsigned short WORD;
/* Circular buffer info structure of audio data blocks. */
/* declared in tplay.c */
struct info_struct {
char *buffer; /* the audio data */
char *firstblock; /* pointer to the first block */
int readblock, writeblock; /* reading and writing block number */
long readcount, writecount;
int alldone;
int in_seconds;
double seconds;
int blocksize; /* size of one block */
int buffer_size; /* size of the buffer */
int number_of_blocks;
int last_block; /* -1 if not the last block */
int bytes_on_last_block;
int overflow;
int underflow;
int swap;
int forceraw;
int force;
int filetype;
int headerskip;
int audioset;
int show_usage;
DWORD speed;
int channels;
int bits;
char *progname;
char *device; /* Audio device name */
int loop;
int verbose;
int optind;
};
/* au.c */
int read_au(struct info_struct* info, char * buffer);
/* wav.c */
int read_wav(struct info_struct* info, char * buffer);
/* common.c */
DWORD read_big_endian_long(char * buffer);
void write_big_endian_long(char * buffer, DWORD value);
DWORD read_little_endian_long(char * buffer);
WORD read_little_endian_word(char * buffer);
void errprintf(char *fmt,...);
void warning(char *str);
void warning2(char *str1, char *str2);
void die(const char *str);
void errdie(const char *str);
void open_audio();
void set_audio_parameters();
void sync_audio(void);
void reset_audio(void);
void post_audio(void);
void destroy_buffer(void);
void nice_fputc(int c, FILE * fp);
#endif
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