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