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monitord / lame-3.97 / libmp3lame / .svn / text-base / psymodel.h.svn-base
@root root on 23 Jan 2012 2 KB Migration from SVN revision 455
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  1. /*
  2.  *	psymodel.h
  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_PSYMODEL_H
  23. #define LAME_PSYMODEL_H
  24.  
  25. #include "l3side.h"
  26.  
  27. int L3psycho_anal( lame_global_flags *gfc,
  28.                     const sample_t *buffer[2], int gr, 
  29. 		    FLOAT *ms_ratio, 
  30. 		    FLOAT *ms_ratio_next, 
  31. 		    III_psy_ratio ratio[2][2],
  32. 		    III_psy_ratio MS_ratio[2][2],
  33. 		   FLOAT pe[2], FLOAT pe_MS[2], FLOAT ener[2],
  34.                     int blocktype_d[2]); 
  35.  
  36. int L3psycho_anal_ns( lame_global_flags *gfc,
  37. 		      const sample_t *buffer[2], int gr, 
  38. 		      FLOAT *ms_ratio, 
  39. 		      FLOAT *ms_ratio_next, 
  40. 		      III_psy_ratio ratio[2][2],
  41. 		      III_psy_ratio MS_ratio[2][2],
  42. 		      FLOAT pe[2], FLOAT pe_MS[2], FLOAT ener[2],
  43. 		      int blocktype_d[2]); 
  44.  
  45.  
  46. int psymodel_init(lame_global_flags *gfp);
  47.  
  48.  
  49. #define rpelev 2
  50. #define rpelev2 16
  51. #define rpelev_s 2
  52. #define rpelev2_s 16
  53.  
  54. /* size of each partition band, in barks: */
  55. #define DELBARK .34
  56. #define CW_LOWER_INDEX 6
  57.  
  58.  
  59. #if 1
  60.     /* AAC values, results in more masking over MP3 values */
  61. # define TMN 18
  62. # define NMT 6
  63. #else
  64.     /* MP3 values */
  65. # define TMN 29
  66. # define NMT 6
  67. #endif
  68.  
  69. /* ISO values */
  70. #define CONV1 (-.299)
  71. #define CONV2 (-.43)
  72.  
  73. /* tuned for output level (sensitive to energy scale) */
  74. #define VO_SCALE (1./( 14752*14752 )/(BLKSIZE/2))
  75.  
  76. #define temporalmask_sustain_sec 0.01
  77.  
  78. #define NS_PREECHO_ATT0 0.8
  79. #define NS_PREECHO_ATT1 0.6
  80. #define NS_PREECHO_ATT2 0.3
  81.  
  82. #define NS_MSFIX 3.5
  83. #define NSATTACKTHRE 4.4
  84. #define NSATTACKTHRE_S 25
  85.  
  86. #endif /* LAME_PSYMODEL_H */
  87.