mirror of
https://github.com/cookiengineer/audacity
synced 2025-10-31 14:13:50 +01:00
5e0efd1a25
Using LAME 3.10 Windows project files substantially changed from original, and included into audacity solution.
97 lines
3.0 KiB
C
97 lines
3.0 KiB
C
/*
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* GTK plotting routines source file
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*
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* Copyright (c) 1999 Mark Taylor
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef LAME_GTKANAL_H
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#define LAME_GTKANAL_H
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#define READ_AHEAD 40 /* number of frames to read ahead */
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#define MAXMPGLAG READ_AHEAD /* if the mpg123 lag becomes bigger than this
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we have to stop */
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#define NUMBACK 6 /* number of frames we can back up */
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#define NUMPINFO (NUMBACK+READ_AHEAD+1)
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struct plotting_data {
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int frameNum; /* current frame number */
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int frameNum123;
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int num_samples; /* number of pcm samples read for this frame */
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double frametime; /* starting time of frame, in seconds */
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double pcmdata[2][1600];
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double pcmdata2[2][1152 + 1152 - DECDELAY];
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double xr[2][2][576];
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double mpg123xr[2][2][576];
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double ms_ratio[2];
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double ms_ener_ratio[2];
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/* L,R, M and S values */
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double energy_save[4][BLKSIZE]; /* psymodel is one ahead */
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double energy[2][4][BLKSIZE];
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double pe[2][4];
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double thr[2][4][SBMAX_l];
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double en[2][4][SBMAX_l];
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double thr_s[2][4][3 * SBMAX_s];
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double en_s[2][4][3 * SBMAX_s];
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double ers_save[4]; /* psymodel is one ahead */
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double ers[2][4];
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double sfb[2][2][SBMAX_l];
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double sfb_s[2][2][3 * SBMAX_s];
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double LAMEsfb[2][2][SBMAX_l];
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double LAMEsfb_s[2][2][3 * SBMAX_s];
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int LAMEqss[2][2];
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int qss[2][2];
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int big_values[2][2];
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int sub_gain[2][2][3];
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double xfsf[2][2][SBMAX_l];
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double xfsf_s[2][2][3 * SBMAX_s];
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int over[2][2];
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double tot_noise[2][2];
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double max_noise[2][2];
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double over_noise[2][2];
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int over_SSD[2][2];
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int blocktype[2][2];
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int scalefac_scale[2][2];
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int preflag[2][2];
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int mpg123blocktype[2][2];
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int mixed[2][2];
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int mainbits[2][2];
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int sfbits[2][2];
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int LAMEmainbits[2][2];
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int LAMEsfbits[2][2];
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int framesize, stereo, js, ms_stereo, i_stereo, emph, bitrate, sampfreq, maindata;
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int crc, padding;
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int scfsi[2], mean_bits, resvsize;
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int totbits;
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};
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#ifndef plotting_data_defined
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#define plotting_data_defined
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typedef struct plotting_data plotting_data;
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#endif
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#if 0
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extern plotting_data *pinfo;
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#endif
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#endif
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