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