mirror of
https://github.com/mpv-player/mpv
synced 2024-12-15 11:25:10 +00:00
593a458f0c
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8561 b3059339-0415-0410-9bf9-f77b7e298cf2
130 lines
3.1 KiB
C
130 lines
3.1 KiB
C
/*
|
|
* mpg123 defines
|
|
* used source: musicout.h from mpegaudio package
|
|
*/
|
|
|
|
#include "../config.h"
|
|
|
|
#ifndef M_PI
|
|
#define M_PI 3.141592653589793238462
|
|
#endif
|
|
#ifndef M_SQRT2
|
|
#define M_SQRT2 1.414213562373095048802
|
|
#endif
|
|
#define REAL_IS_FLOAT
|
|
#define NEW_DCT9
|
|
|
|
#undef MPG123_REMOTE /* Get rid of this stuff for Win32 */
|
|
|
|
/*
|
|
# define real float
|
|
# define real long double
|
|
# define real double
|
|
#include "audio.h"
|
|
|
|
// #define AUDIOBUFSIZE 4096
|
|
*/
|
|
|
|
#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 error_protection;
|
|
int bitrate_index;
|
|
long sampling_frequency;
|
|
int padding;
|
|
int extension;
|
|
int mode;
|
|
int mode_ext;
|
|
int copyright;
|
|
int original;
|
|
int emphasis;
|
|
long framesize; /* computed framesize */
|
|
};
|
|
|
|
|
|
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;
|
|
int full_gain[3];
|
|
int pow2gain;
|
|
};
|
|
|
|
struct III_sideinfo
|
|
{
|
|
unsigned main_data_begin;
|
|
unsigned private_bits;
|
|
struct {
|
|
struct gr_info_s gr[2];
|
|
} ch[2];
|
|
};
|
|
|
|
static long freqs[9];
|
|
extern real mp3lib_decwin[(512+32)];
|
|
extern real *pnts[];
|
|
|
|
static int do_layer2(struct frame *fr,int single);
|
|
static int do_layer3(struct frame *fr,int single);
|
|
static int synth_1to1(real *bandPtr,int channel,unsigned char *out,int *pnt);
|
|
|
|
extern int synth_1to1_pent( real *,int,short * );
|
|
extern void make_decode_tables_MMX(long scaleval);
|
|
extern int synth_1to1_MMX( real *,int,short * );
|
|
extern int synth_1to1_MMX_s(real *, int, short *, short *, int *);
|
|
extern void dct64(real *a,real *b,real *c);
|
|
|
|
extern void dct36_3dnow(real *,real *,real *,real *,real *);
|
|
extern void dct36_3dnowex(real *,real *,real *,real *,real *);
|
|
extern void dct36_sse(real *,real *,real *,real *,real *);
|
|
|
|
typedef int (*synth_func_t)( real *,int,short * );
|
|
typedef void (*dct36_func_t)(real *,real *,real *,real *,real *);
|