/* * mpg123 defines * used source: musicout.h from mpegaudio package */ #include #include #include #ifndef WIN32 #include #include #endif #include typedef unsigned char byte; #ifdef OS2 #include #endif #ifdef VMS #if __VMS_VER < 70000000 #define ____SIGSET_T 1 typedef struct {unsigned int _set[2];} __sigset_t; typedef __sigset_t sigset_t; #endif #define NOXFERMEM #endif #define MPG123_REMOTE #ifdef HPUX #define random rand #define srandom srand #endif #define FRONTEND_SAJBER 1 #define FRONTEND_TK3PLAY 2 #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 # 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 #else # define real double #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 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 *); 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 (*do_layer)(struct frame *fr,int,struct audio_info_struct *); 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 */ }; 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! */ 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; int down_sample; int checkrange; long doublespeed; long halfspeed; int force_reopen; long realtime; char filename[256]; }; 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]; }; #define READER_FD_OPENED 0x1 #define READER_ID3TAG 0x2 extern struct reader *rd,readers[]; extern char *equalfile; 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 /* ----- Declarations from "audio_esd.c" ------ */ extern char *esdserver; /* ------ Declarations from "httpget.c" ------ */ extern char *proxyurl; extern unsigned long proxyip; extern int http_open (char *url); extern char *httpauth; /* ------ Declarations from "common.c" ------ */ 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(void); extern unsigned int getbits(int); extern unsigned int getbits_fast(int); extern void backbits(int); extern int getbitoffset(void); extern int getbyte(void); extern void set_pointer(long); extern unsigned char *pcm_sample; extern int pcm_point; extern int audiobufsize; extern int OutputDescriptor; #ifdef VARMODESUPPORT extern int varmode; extern int playlimit; #endif 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 void open_stream(char *,int fd); extern void read_frame_init (void); extern int read_frame(struct frame *fr); extern void play_frame(int init,struct frame *fr); extern int do_layer3(struct frame *fr,int,struct audio_info_struct *); extern int do_layer2(struct frame *fr,int,struct audio_info_struct *); extern int do_layer1(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 #ifdef USE_3DNOW extern int synth_1to1_3dnow (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 set_pointer(long); extern void huffman_decoder(int ,int *); extern void huffman_count1(int,int *); extern void print_stat(struct frame *fr,int no,long buffsize,struct audio_info_struct *ai); extern int get_songlen(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 *); extern void synth_ntom_set_step(long,long); extern void control_generic(struct frame *fr); extern void control_sajber(struct frame *fr); extern void control_tk3play(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 unsigned char *conv16to8; extern long freqs[9]; extern real muls[27][64]; #ifdef USE_3DNOW extern real decwin[2*(512+32)]; #else extern real decwin[512+32]; #endif extern real *pnts[5]; 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);