lib/lame/lame-analysis.h

   1 /*
   2  *      GTK plotting routines source file
   3  *
   4  *      Copyright (c) 1999 Mark Taylor
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Library General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public
  17  * License along with this library; if not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  */
  21
  22 #ifndef LAME_GTKANAL_H
  23 #define LAME_GTKANAL_H
  24
  25 #include "encoder.h"
  26
  27 #define READ_AHEAD 10             /* number of frames to read ahead */
  28 #define MAXMPGLAG READ_AHEAD      /* if the mpg123 lag becomes bigger than this                                      we have to stop */
  29 #define NUMBACK 6                 /* number of frames we can back up */
  30 #define NUMPINFO (NUMBACK+READ_AHEAD+1)
  31
  32
  33
  34 typedef struct {
  35   int frameNum;           /* current frame number */
  36   int frameNum123;
  37   int num_samples;        /* number of pcm samples read for this frame */
  38   double frametime;       /* starting time of frame, in seconds */
  39   double pcmdata[2][1600];
  40   double pcmdata2[2][1152+1152-DECDELAY];
  41   double xr[2][2][576];
  42   double mpg123xr[2][2][576];
  43   double ms_ratio[2];
  44   double ms_ener_ratio[2];
  45
  46   /* L,R, M and S values */
  47   double energy[2][4][BLKSIZE];
  48   double pe[2][4];
  49   double thr[2][4][SBMAX_l];
  50   double en[2][4][SBMAX_l];
  51   double thr_s[2][4][3*SBMAX_s];
  52   double en_s[2][4][3*SBMAX_s];
  53   double ers[2][4];
  54
  55   double sfb[2][2][SBMAX_l];
  56   double sfb_s[2][2][3*SBMAX_s];
  57   double LAMEsfb[2][2][SBMAX_l];
  58   double LAMEsfb_s[2][2][3*SBMAX_s];
  59
  60   int LAMEqss[2][2];
  61   int qss[2][2];
  62   int big_values[2][2];
  63   int sub_gain[2][2][3];
  64
  65   double xfsf[2][2][SBMAX_l];
  66   double xfsf_s[2][2][3*SBMAX_s];
  67
  68   int over[2][2];
  69   double tot_noise[2][2];
  70   double max_noise[2][2];
  71   double over_noise[2][2];
  72   int blocktype[2][2];
  73   int scalefac_scale[2][2];
  74   int preflag[2][2];
  75   int mpg123blocktype[2][2];
  76   int mixed[2][2];
  77   int mainbits[2][2];
  78   int sfbits[2][2];
  79   int LAMEmainbits[2][2];
  80   int LAMEsfbits[2][2];
  81   int framesize,stereo,js,ms_stereo,i_stereo,emph,bitrate,sampfreq,maindata;
  82   int crc,padding;
  83   int scfsi[2],mean_bits,resvsize;
  84   int totbits;
  85 } plotting_data;
  86
  87
  88 extern plotting_data *pinfo;
  89
  90 #endif