You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
466 lines
12 KiB
466 lines
12 KiB
15 years ago
|
/*
|
||
|
|
* mpg123 defines
|
||
|
|
* used source: musicout.h from mpegaudio package
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <signal.h>
|
||
|
|
|
||
|
|
#ifndef WIN32
|
||
|
|
#include <sys/signal.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <math.h>
|
||
|
|
|
||
|
|
typedef unsigned char byte;
|
||
|
|
|
||
|
|
#ifdef OS2
|
||
|
|
#include <float.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define MPG123_REMOTE
|
||
|
|
#ifdef HPUX
|
||
|
|
#define random rand
|
||
|
|
#define srandom srand
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define FRONTEND_NONE 0
|
||
|
|
#define FRONTEND_SAJBER 1
|
||
|
|
#define FRONTEND_TK3PLAY 2
|
||
|
|
#define FRONTEND_GENERIC 3
|
||
|
|
|
||
|
|
#define SKIP_JUNK 1
|
||
|
|
|
||
|
|
#ifdef _WIN32 /* Win32 Additions By Tony Million */
|
||
|
|
# undef WIN32
|
||
|
|
# define WIN32
|
||
|
|
|
||
|
|
# define M_PI 3.14159265358979323846
|
||
|
|
# define M_SQRT2 1.41421356237309504880
|
||
|
|
# define REAL_IS_FLOAT
|
||
|
|
# define NEW_DCT9
|
||
|
|
|
||
|
|
# define random rand
|
||
|
|
# define srandom srand
|
||
|
|
|
||
|
|
# define SIGUSR1 0
|
||
|
|
# define SIGCONT 0
|
||
|
|
# define SIGSTOP 0
|
||
|
|
|
||
|
|
# undef MPG123_REMOTE /* Get rid of this stuff for Win32 */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include "xfermem.h"
|
||
|
|
|
||
|
|
#ifdef SUNOS
|
||
|
|
#define memmove(dst,src,size) bcopy(src,dst,size)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef REAL_IS_FLOAT
|
||
|
|
# define real float
|
||
|
|
#elif defined(REAL_IS_LONG_DOUBLE)
|
||
|
|
# define real long double
|
||
|
|
#elif defined(REAL_IS_FIXED)
|
||
|
|
# define real long
|
||
|
|
|
||
|
|
# define REAL_RADIX 15
|
||
|
|
# define REAL_FACTOR (32.0 * 1024.0)
|
||
|
|
|
||
|
|
# define REAL_PLUS_32767 ( 32767 << REAL_RADIX )
|
||
|
|
# define REAL_MINUS_32768 ( -32768 << REAL_RADIX )
|
||
|
|
|
||
|
|
# define DOUBLE_TO_REAL(x) ((int)((x) * REAL_FACTOR))
|
||
|
|
# define REAL_TO_SHORT(x) ((x) >> REAL_RADIX)
|
||
|
|
# define REAL_MUL(x, y) (((long long)(x) * (long long)(y)) >> REAL_RADIX)
|
||
|
|
|
||
|
|
#else
|
||
|
|
# define real double
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef DOUBLE_TO_REAL
|
||
|
|
# define DOUBLE_TO_REAL(x) (x)
|
||
|
|
#endif
|
||
|
|
#ifndef REAL_TO_SHORT
|
||
|
|
# define REAL_TO_SHORT(x) (x)
|
||
|
|
#endif
|
||
|
|
#ifndef REAL_PLUS_32767
|
||
|
|
# define REAL_PLUS_32767 32767.0
|
||
|
|
#endif
|
||
|
|
#ifndef REAL_MINUS_32768
|
||
|
|
# define REAL_MINUS_32768 -32768.0
|
||
|
|
#endif
|
||
|
|
#ifndef REAL_MUL
|
||
|
|
# define REAL_MUL(x, y) ((x) * (y))
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __GNUC__
|
||
|
|
#define INLINE inline
|
||
|
|
#else
|
||
|
|
#define INLINE
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include "audio.h"
|
||
|
|
|
||
|
|
/* AUDIOBUFSIZE = n*64 with n=1,2,3 ... */
|
||
|
|
#define AUDIOBUFSIZE 16384
|
||
|
|
|
||
|
|
#define FALSE 0
|
||
|
|
#define TRUE 1
|
||
|
|
|
||
|
|
#define MAX_NAME_SIZE 81
|
||
|
|
#define SBLIMIT 32
|
||
|
|
#define SCALE_BLOCK 12
|
||
|
|
#define SSLIMIT 18
|
||
|
|
|
||
|
|
#define MPG_MD_STEREO 0
|
||
|
|
#define MPG_MD_JOINT_STEREO 1
|
||
|
|
#define MPG_MD_DUAL_CHANNEL 2
|
||
|
|
#define MPG_MD_MONO 3
|
||
|
|
|
||
|
|
/* #define MAXFRAMESIZE 1792 */
|
||
|
|
#define MAXFRAMESIZE 4096
|
||
|
|
#define HDRCMPMASK 0xfffffd00
|
||
|
|
|
||
|
|
#define MAXOUTBURST 32768
|
||
|
|
|
||
|
|
/* Pre Shift fo 16 to 8 bit converter table */
|
||
|
|
#define AUSHIFT (3)
|
||
|
|
|
||
|
|
|
||
|
|
struct al_table
|
||
|
|
{
|
||
|
|
short bits;
|
||
|
|
short d;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct frame {
|
||
|
|
struct al_table *alloc;
|
||
|
|
int (*synth)(real *,int,unsigned char *,int *);
|
||
|
|
int (*synth_mono)(real *,unsigned char *,int *);
|
||
|
|
#ifdef USE_3DNOW
|
||
|
|
void (*dct36)(real *,real *,real *,real *,real *);
|
||
|
|
#endif
|
||
|
|
int stereo;
|
||
|
|
int jsbound;
|
||
|
|
int single;
|
||
|
|
int II_sblimit;
|
||
|
|
int down_sample_sblimit;
|
||
|
|
int lsf;
|
||
|
|
int mpeg25;
|
||
|
|
int down_sample;
|
||
|
|
int header_change;
|
||
|
|
int lay;
|
||
|
|
int error_protection;
|
||
|
|
int bitrate_index;
|
||
|
|
int sampling_frequency;
|
||
|
|
int padding;
|
||
|
|
int extension;
|
||
|
|
int mode;
|
||
|
|
int mode_ext;
|
||
|
|
int copyright;
|
||
|
|
int original;
|
||
|
|
int emphasis;
|
||
|
|
int framesize; /* computed framesize */
|
||
|
|
int padsize; /* */
|
||
|
|
|
||
|
|
int sideInfoSize; /* Layer3 sideInfo Header size */
|
||
|
|
|
||
|
|
/* FIXME: move this to another place */
|
||
|
|
unsigned long firsthead;
|
||
|
|
unsigned long thishead;
|
||
|
|
int freeformatsize;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define VBR_TOC_SIZE 100
|
||
|
|
|
||
|
|
#define VBR_FRAMES_FLAG 0x0001
|
||
|
|
#define VBR_BYTES_FLAG 0x0002
|
||
|
|
#define VBR_TOC_FLAG 0x0004
|
||
|
|
#define VBR_SCALE_FLAG 0x0008
|
||
|
|
|
||
|
|
struct vbrHeader {
|
||
|
|
unsigned long flags;
|
||
|
|
unsigned long frames;
|
||
|
|
unsigned long bytes;
|
||
|
|
unsigned long scale;
|
||
|
|
unsigned char toc[100];
|
||
|
|
};
|
||
|
|
|
||
|
|
struct parameter {
|
||
|
|
int aggressive; /* renice to max. priority */
|
||
|
|
int shuffle; /* shuffle/random play */
|
||
|
|
int remote; /* remote operation */
|
||
|
|
int outmode; /* where to out the decoded sampels */
|
||
|
|
int quiet; /* shut up! */
|
||
|
|
int xterm_title; /* print filename in xterm title */
|
||
|
|
long usebuffer; /* second level buffer size */
|
||
|
|
int tryresync; /* resync stream after error */
|
||
|
|
int verbose; /* verbose level */
|
||
|
|
#ifdef TERM_CONTROL
|
||
|
|
int term_ctrl;
|
||
|
|
#endif
|
||
|
|
int force_mono;
|
||
|
|
int force_stereo;
|
||
|
|
int force_8bit;
|
||
|
|
long force_rate;
|
||
|
|
double pitch;
|
||
|
|
int down_sample;
|
||
|
|
int checkrange;
|
||
|
|
long doublespeed;
|
||
|
|
long halfspeed;
|
||
|
|
int force_reopen;
|
||
|
|
int stat_3dnow; /* automatic/force/force-off 3DNow! optimized code */
|
||
|
|
int test_3dnow;
|
||
|
|
int realtime;
|
||
|
|
char filename[256];
|
||
|
|
char *esdserver;
|
||
|
|
char *equalfile;
|
||
|
|
int enable_equalizer;
|
||
|
|
long outscale;
|
||
|
|
long startFrame;
|
||
|
|
int print_version;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct bitstream_info {
|
||
|
|
int bitindex;
|
||
|
|
unsigned char *wordpointer;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct mpstr {
|
||
|
|
int bsize;
|
||
|
|
int framesize;
|
||
|
|
int fsizeold;
|
||
|
|
struct frame fr;
|
||
|
|
/* int (*do_layer)(struct mpstr *,struct frame *fr,int,struct audio_info_struct *); */
|
||
|
|
unsigned char bsspace[2][MAXFRAMESIZE+512]; /* MAXFRAMESIZE */
|
||
|
|
real hybrid_block[2][2][SBLIMIT*SSLIMIT];
|
||
|
|
int hybrid_blc[2];
|
||
|
|
unsigned long header;
|
||
|
|
int bsnum;
|
||
|
|
real synth_buffs[2][2][0x110];
|
||
|
|
int synth_bo;
|
||
|
|
|
||
|
|
struct bitstream_info bsi;
|
||
|
|
};
|
||
|
|
|
||
|
|
extern struct bitstream_info bsi;
|
||
|
|
|
||
|
|
struct reader {
|
||
|
|
int (*init)(struct reader *);
|
||
|
|
void (*close)(struct reader *);
|
||
|
|
int (*head_read)(struct reader *,unsigned long *newhead);
|
||
|
|
int (*head_shift)(struct reader *,unsigned long *head);
|
||
|
|
int (*skip_bytes)(struct reader *,int len);
|
||
|
|
int (*read_frame_body)(struct reader *,unsigned char *,int size);
|
||
|
|
int (*back_bytes)(struct reader *,int bytes);
|
||
|
|
int (*back_frame)(struct reader *,struct frame *,int num);
|
||
|
|
long (*tell)(struct reader *);
|
||
|
|
void (*rewind)(struct reader *);
|
||
|
|
long filelen;
|
||
|
|
long filepos;
|
||
|
|
int filept;
|
||
|
|
int flags;
|
||
|
|
unsigned char id3buf[128];
|
||
|
|
|
||
|
|
unsigned char *backbuf;
|
||
|
|
int mark;
|
||
|
|
int bufpos,bufstart,bufend;
|
||
|
|
int bufsize;
|
||
|
|
};
|
||
|
|
#define READER_FD_OPENED 0x1
|
||
|
|
#define READER_ID3TAG 0x2
|
||
|
|
|
||
|
|
extern struct reader *rd,readers[];
|
||
|
|
|
||
|
|
extern int halfspeed;
|
||
|
|
extern int buffer_fd[2];
|
||
|
|
extern txfermem *buffermem;
|
||
|
|
extern char *prgName, *prgVersion;
|
||
|
|
|
||
|
|
#ifndef NOXFERMEM
|
||
|
|
extern void buffer_loop(struct audio_info_struct *ai,sigset_t *oldsigset);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
extern void readers_pushback_header(struct reader *rds,unsigned long aLong);
|
||
|
|
extern void readers_mark_pos(struct reader *rds);
|
||
|
|
extern void readers_goto_mark(struct reader *rds);
|
||
|
|
|
||
|
|
|
||
|
|
/* ------ Declarations from "httpget.c" ------ */
|
||
|
|
|
||
|
|
extern char *proxyurl;
|
||
|
|
extern unsigned long proxyip;
|
||
|
|
extern int http_open (const char *url);
|
||
|
|
extern char *httpauth;
|
||
|
|
|
||
|
|
/* ------ Declarations from "common.c" ------ */
|
||
|
|
|
||
|
|
int sync_stream(struct reader *rds,struct frame *fr,int flags,int *skipped);
|
||
|
|
|
||
|
|
extern void audio_flush(int, struct audio_info_struct *);
|
||
|
|
extern void (*catchsignal(int signum, void(*handler)()))();
|
||
|
|
|
||
|
|
extern void print_header(struct frame *);
|
||
|
|
extern void print_header_compact(struct frame *);
|
||
|
|
extern void print_id3_tag(unsigned char *buf);
|
||
|
|
|
||
|
|
extern int split_dir_file(const char *path, char **dname, char **fname);
|
||
|
|
|
||
|
|
extern unsigned int get1bit(struct bitstream_info *);
|
||
|
|
extern unsigned int getbits(struct bitstream_info *,int);
|
||
|
|
extern unsigned int getbits_fast(struct bitstream_info *,int);
|
||
|
|
extern void backbits(struct bitstream_info *,int);
|
||
|
|
extern int getbitoffset(struct bitstream_info *);
|
||
|
|
extern int getbyte(struct bitstream_info *);
|
||
|
|
|
||
|
|
extern void set_pointer(int,long);
|
||
|
|
|
||
|
|
extern unsigned char *pcm_sample;
|
||
|
|
extern int pcm_point;
|
||
|
|
extern int audiobufsize;
|
||
|
|
|
||
|
|
extern int OutputDescriptor;
|
||
|
|
|
||
|
|
struct gr_info_s {
|
||
|
|
int scfsi;
|
||
|
|
unsigned part2_3_length;
|
||
|
|
unsigned big_values;
|
||
|
|
unsigned scalefac_compress;
|
||
|
|
unsigned block_type;
|
||
|
|
unsigned mixed_block_flag;
|
||
|
|
unsigned table_select[3];
|
||
|
|
unsigned subblock_gain[3];
|
||
|
|
unsigned maxband[3];
|
||
|
|
unsigned maxbandl;
|
||
|
|
unsigned maxb;
|
||
|
|
unsigned region1start;
|
||
|
|
unsigned region2start;
|
||
|
|
unsigned preflag;
|
||
|
|
unsigned scalefac_scale;
|
||
|
|
unsigned count1table_select;
|
||
|
|
real *full_gain[3];
|
||
|
|
real *pow2gain;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct III_sideinfo
|
||
|
|
{
|
||
|
|
unsigned main_data_begin;
|
||
|
|
unsigned private_bits;
|
||
|
|
struct {
|
||
|
|
struct gr_info_s gr[2];
|
||
|
|
} ch[2];
|
||
|
|
};
|
||
|
|
|
||
|
|
extern struct reader *open_stream(const char *,int fd);
|
||
|
|
extern void read_frame_init (struct frame *fr);
|
||
|
|
extern int read_frame(struct reader *rd,struct frame *fr);
|
||
|
|
extern int play_frame(struct mpstr *mp,int init,struct frame *fr);
|
||
|
|
extern int do_layer3(struct mpstr *mp,struct frame *fr,int,struct audio_info_struct *);
|
||
|
|
extern int do_layer2(struct mpstr *mp,struct frame *fr,int,struct audio_info_struct *);
|
||
|
|
extern int do_layer1(struct mpstr *mp,struct frame *fr,int,struct audio_info_struct *);
|
||
|
|
extern void do_equalizer(real *bandPtr,int channel);
|
||
|
|
|
||
|
|
#ifdef PENTIUM_OPT
|
||
|
|
extern int synth_1to1_pent (real *,int,unsigned char *);
|
||
|
|
#endif
|
||
|
|
extern int synth_1to1 (real *,int,unsigned char *,int *);
|
||
|
|
extern int synth_1to1_8bit (real *,int,unsigned char *,int *);
|
||
|
|
extern int synth_1to1_mono (real *,unsigned char *,int *);
|
||
|
|
extern int synth_1to1_mono2stereo (real *,unsigned char *,int *);
|
||
|
|
extern int synth_1to1_8bit_mono (real *,unsigned char *,int *);
|
||
|
|
extern int synth_1to1_8bit_mono2stereo (real *,unsigned char *,int *);
|
||
|
|
|
||
|
|
extern int synth_2to1 (real *,int,unsigned char *,int *);
|
||
|
|
extern int synth_2to1_8bit (real *,int,unsigned char *,int *);
|
||
|
|
extern int synth_2to1_mono (real *,unsigned char *,int *);
|
||
|
|
extern int synth_2to1_mono2stereo (real *,unsigned char *,int *);
|
||
|
|
extern int synth_2to1_8bit_mono (real *,unsigned char *,int *);
|
||
|
|
extern int synth_2to1_8bit_mono2stereo (real *,unsigned char *,int *);
|
||
|
|
|
||
|
|
extern int synth_4to1 (real *,int,unsigned char *,int *);
|
||
|
|
extern int synth_4to1_8bit (real *,int,unsigned char *,int *);
|
||
|
|
extern int synth_4to1_mono (real *,unsigned char *,int *);
|
||
|
|
extern int synth_4to1_mono2stereo (real *,unsigned char *,int *);
|
||
|
|
extern int synth_4to1_8bit_mono (real *,unsigned char *,int *);
|
||
|
|
extern int synth_4to1_8bit_mono2stereo (real *,unsigned char *,int *);
|
||
|
|
|
||
|
|
extern int synth_ntom (real *,int,unsigned char *,int *);
|
||
|
|
extern int synth_ntom_8bit (real *,int,unsigned char *,int *);
|
||
|
|
extern int synth_ntom_mono (real *,unsigned char *,int *);
|
||
|
|
extern int synth_ntom_mono2stereo (real *,unsigned char *,int *);
|
||
|
|
extern int synth_ntom_8bit_mono (real *,unsigned char *,int *);
|
||
|
|
extern int synth_ntom_8bit_mono2stereo (real *,unsigned char *,int *);
|
||
|
|
|
||
|
|
extern void rewindNbits(int bits);
|
||
|
|
extern int hsstell(void);
|
||
|
|
extern void huffman_decoder(int ,int *);
|
||
|
|
extern void huffman_count1(int,int *);
|
||
|
|
extern void print_stat(struct reader *rd,struct frame *fr,int no,long buffsize,struct audio_info_struct *ai);
|
||
|
|
extern int get_songlen(struct reader *rd,struct frame *fr,int no);
|
||
|
|
|
||
|
|
extern void init_layer3(int);
|
||
|
|
extern void init_layer2(void);
|
||
|
|
extern void make_decode_tables(long scale);
|
||
|
|
extern void make_conv16to8_table(int);
|
||
|
|
extern void dct64(real *,real *,real *);
|
||
|
|
|
||
|
|
#ifdef USE_MMX
|
||
|
|
extern void dct64_MMX(short *a,short *b,real *c);
|
||
|
|
extern int synth_1to1_MMX(real *, int, short *, short *, int *);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
extern void synth_ntom_set_step(long,long);
|
||
|
|
|
||
|
|
extern void control_generic(struct mpstr *,struct frame *fr);
|
||
|
|
extern void control_sajber(struct mpstr *,struct frame *fr);
|
||
|
|
extern void control_tk3play(struct mpstr *,struct frame *fr);
|
||
|
|
|
||
|
|
extern int cdr_open(struct audio_info_struct *ai, char *ame);
|
||
|
|
extern int au_open(struct audio_info_struct *ai, char *name);
|
||
|
|
extern int wav_open(struct audio_info_struct *ai, char *wavfilename);
|
||
|
|
extern int wav_write(unsigned char *buf,int len);
|
||
|
|
extern int cdr_close(void);
|
||
|
|
extern int au_close(void);
|
||
|
|
extern int wav_close(void);
|
||
|
|
|
||
|
|
extern int au_open(struct audio_info_struct *ai, char *aufilename);
|
||
|
|
extern int au_close(void);
|
||
|
|
|
||
|
|
extern int cdr_open(struct audio_info_struct *ai, char *cdrfilename);
|
||
|
|
extern int cdr_close(void);
|
||
|
|
|
||
|
|
extern int getVBRHeader(struct vbrHeader *head,unsigned char *buf,
|
||
|
|
struct frame *fr);
|
||
|
|
|
||
|
|
|
||
|
|
extern unsigned char *conv16to8;
|
||
|
|
extern long freqs[9];
|
||
|
|
extern real muls[27][64];
|
||
|
|
extern real decwin[512+32];
|
||
|
|
#ifndef USE_MMX
|
||
|
|
extern real *pnts[5];
|
||
|
|
#endif
|
||
|
|
|
||
|
|
extern real equalizer[2][32];
|
||
|
|
extern real equalizer_sum[2][32];
|
||
|
|
extern int equalizer_cnt;
|
||
|
|
|
||
|
|
extern struct audio_name audio_val2name[];
|
||
|
|
|
||
|
|
extern struct parameter param;
|
||
|
|
|
||
|
|
/* 486 optimizations */
|
||
|
|
#define FIR_BUFFER_SIZE 128
|
||
|
|
extern void dct64_486(int *a,int *b,real *c);
|
||
|
|
extern int synth_1to1_486(real *bandPtr,int channel,unsigned char *out,int nb_blocks);
|
||
|
|
|
||
|
|
/* 3DNow! optimizations */
|
||
|
|
#ifdef USE_3DNOW
|
||
|
|
extern int getcpuflags(void);
|
||
|
|
extern void dct36(real *,real *,real *,real *,real *);
|
||
|
|
extern void dct36_3dnow(real *,real *,real *,real *,real *);
|
||
|
|
extern int synth_1to1_3dnow(real *,int,unsigned char *,int *);
|
||
|
|
#endif
|