mp3lib/mpg123.h

   1 /*
   2  * Modified for use with MPlayer, for details see the changelog at
   3  * http://svn.mplayerhq.hu/mplayer/trunk/
   4  * $Id$
   5  */
   6
   7 /*
   8  * mpg123 defines
   9  * used source: musicout.h from mpegaudio package
  10  */
  11
  12 #ifndef MPLAYER_MP3LIB_MPG123_H
  13 #define MPLAYER_MP3LIB_MPG123_H
  14
  15 #include "config.h"
  16
  17 #ifndef M_PI
  18 #define M_PI            3.141592653589793238462
  19 #endif
  20 #ifndef M_SQRT2
  21 #define M_SQRT2         1.414213562373095048802
  22 #endif
  23 #define REAL_IS_FLOAT
  24 #define NEW_DCT9
  25
  26 #undef MPG123_REMOTE           /* Get rid of this stuff for Win32 */
  27
  28 typedef float real;
  29
  30 /*
  31 #  define real float
  32 #  define real long double
  33 #  define real double
  34 #include "audio.h"
  35
  36 // #define              AUDIOBUFSIZE            4096
  37 */
  38
  39 #define         FALSE                   0
  40 #define         TRUE                    1
  41
  42 #define         MAX_NAME_SIZE           81
  43 #define         SBLIMIT                 32
  44 #define         SCALE_BLOCK             12
  45 #define         SSLIMIT                 18
  46
  47 #define         MPG_MD_STEREO           0
  48 #define         MPG_MD_JOINT_STEREO     1
  49 #define         MPG_MD_DUAL_CHANNEL     2
  50 #define         MPG_MD_MONO             3
  51
  52 /* #define MAXOUTBURST 32768 */
  53
  54 /* Pre Shift fo 16 to 8 bit converter table */
  55 #define AUSHIFT (3)
  56
  57 struct al_table
  58 {
  59   short bits;
  60   short d;
  61 };
  62
  63 struct frame {
  64          struct al_table *alloc;
  65          int (*synth)(real *,int,unsigned char *,int *);
  66     int (*synth_mono)(real *,unsigned char *,int *);
  67     int stereo;
  68     int jsbound;
  69     int single;
  70     int II_sblimit;
  71     int down_sample_sblimit;
  72          int lsf;
  73          int mpeg25;
  74     int down_sample;
  75          int header_change;
  76     int lay;
  77     int error_protection;
  78     int bitrate_index;
  79     int sampling_frequency;
  80     int padding;
  81     int extension;
  82     int mode;
  83          int mode_ext;
  84     int copyright;
  85          int original;
  86          int emphasis;
  87          int framesize; /* computed framesize */
  88 };
  89
  90
  91 struct gr_info_s {
  92       int scfsi;
  93       unsigned part2_3_length;
  94       unsigned big_values;
  95       unsigned scalefac_compress;
  96       unsigned block_type;
  97       unsigned mixed_block_flag;
  98       unsigned table_select[3];
  99       unsigned subblock_gain[3];
 100       unsigned maxband[3];
 101       unsigned maxbandl;
 102       unsigned maxb;
 103       unsigned region1start;
 104       unsigned region2start;
 105       unsigned preflag;
 106       unsigned scalefac_scale;
 107       unsigned count1table_select;
 108       real *full_gain[3];
 109       real *pow2gain;
 110 };
 111
 112 struct III_sideinfo
 113 {
 114   unsigned main_data_begin;
 115   unsigned private_bits;
 116   struct {
 117          struct gr_info_s gr[2];
 118   } ch[2];
 119 };
 120
 121 extern real mp3lib_decwin[(512+32)];
 122 extern real *mp3lib_pnts[];
 123
 124 int synth_1to1_pent( real *, int, short * );
 125 int synth_1to1_MMX( real *, int, short * );
 126 int synth_1to1_MMX_s(real *, int, short *, short *, int *);
 127
 128 void dct36_3dnow(real *, real *, real *, real *, real *);
 129 void dct36_3dnowex(real *, real *, real *, real *, real *);
 130 void dct36_sse(real *, real *, real *, real *, real *);
 131
 132 void dct64_MMX(short *, short *, real *);
 133 void dct64_MMX_3dnow(short *, short *, real *);
 134 void dct64_MMX_3dnowex(short *, short *, real *);
 135 void dct64_sse(short *, short *, real *);
 136 void dct64_altivec(real *, real *, real *);
 137 extern void (*dct64_MMX_func)(short *, short *, real *);
 138
 139 void mp3lib_dct64(real *, real *, real *);
 140
 141 typedef int (*synth_func_t)( real *,int,short * );
 142 typedef void (*dct36_func_t)(real *,real *,real *,real *,real *);
 143
 144 #endif /* MPLAYER_MP3LIB_MPG123_H */