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godotengine
GitHub Repository: godotengine/godot
 Path: blob/master/thirdparty/libvorbis/modes/psych_8.h
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/********************************************************************

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 *                                                                  *

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 * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE.   *

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 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *

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 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *

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 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *

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 *                                                                  *

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 * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009             *

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 * by the Xiph.Org Foundation https://xiph.org/                     *

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 *                                                                  *

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 ********************************************************************

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 function: 8kHz psychoacoustic settings

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 ********************************************************************/

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static const att3 _psy_tone_masteratt_8[3]={

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  {{ 32,  25,  12},  0,   0},  /* 0 */

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  {{ 30,  25,  12},  0,   0},  /* 0 */

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  {{ 20,   0, -14},  0,   0}, /* 0 */

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};

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static const vp_adjblock _vp_tonemask_adj_8[3]={

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  /* adjust for mode zero */

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  /* 63     125     250     500     1     2     4     8    16 */

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  {{-15,-15,-15,-15,-10,-10, -6, 0, 0, 0, 0,10, 0, 0,99,99,99}}, /* 1 */

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  {{-15,-15,-15,-15,-10,-10, -6, 0, 0, 0, 0,10, 0, 0,99,99,99}}, /* 1 */

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  {{-15,-15,-15,-15,-10,-10, -6, 0, 0, 0, 0, 0, 0, 0,99,99,99}}, /* 1 */

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};

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static const noise3 _psy_noisebias_8[3]={

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  /*  63     125     250     500      1k       2k      4k      8k     16k*/

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  {{{-10,-10,-10,-10, -5, -5, -5,  0,  4,  8,  8,  8, 10, 10, 99, 99, 99},

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    {-10,-10,-10,-10, -5, -5, -5,  0,  0,  4,  4,  4,  4,  4, 99, 99, 99},

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    {-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, 99, 99, 99}}},

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  {{{-10,-10,-10,-10, -5, -5, -5,  0,  4,  8,  8,  8, 10, 10, 99, 99, 99},

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    {-10,-10,-10,-10,-10,-10, -5, -5, -5,  0,  0,  0,  0,  0, 99, 99, 99},

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    {-30,-30,-30,-30,-30,-24,-20,-14,-10, -6, -8, -8, -6, -6, 99, 99, 99}}},

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  {{{-15,-15,-15,-15,-15,-12,-10, -8,  0,  2,  4,  4,  5,  5, 99, 99, 99},

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    {-30,-30,-30,-30,-26,-22,-20,-14,-12,-12,-10,-10,-10,-10, 99, 99, 99},

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    {-30,-30,-30,-30,-26,-26,-26,-26,-26,-26,-26,-26,-26,-24, 99, 99, 99}}},

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};

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/* stereo mode by base quality level */

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static const adj_stereo _psy_stereo_modes_8[3]={

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  /*  0   1   2   3   4   5   6   7   8   9  10  11  12  13  14  */

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  {{  4,  4,  4,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3},

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   {  6,  5,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4},

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   {  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1},

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   { 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},

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  {{  4,  4,  4,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3},

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   {  6,  5,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4},

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   {  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1},

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   { 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},

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  {{  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3},

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   {  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4},

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   {  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1},

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   { 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}},

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};

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static const noiseguard _psy_noiseguards_8[2]={

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  {10,10,-1},

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  {10,10,-1},

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};

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static const compandblock _psy_compand_8[2]={

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  {{

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     0, 1, 2, 3, 4, 5, 6,  7,     /* 7dB */

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     8, 8, 9, 9,10,10,11, 11,     /* 15dB */

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    12,12,13,13,14,14,15, 15,     /* 23dB */

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    16,16,17,17,17,18,18, 19,     /* 31dB */

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    19,19,20,21,22,23,24, 25,     /* 39dB */

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  }},

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  {{

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     0, 1, 2, 3, 4, 5, 6,  6,     /* 7dB */

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     7, 7, 6, 6, 5, 5, 4,  4,     /* 15dB */

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     3, 3, 3, 4, 5, 6, 7,  8,     /* 23dB */

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     9,10,11,12,13,14,15, 16,     /* 31dB */

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    17,18,19,20,21,22,23, 24,     /* 39dB */

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  }},

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};

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static const double _psy_lowpass_8[3]={3.,4.,4.};

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static const int _noise_start_8[2]={

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  64,64,

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};

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static const int _noise_part_8[2]={

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  8,8,

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};

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static const int _psy_ath_floater_8[3]={

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  -100,-100,-105,

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};

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static const int _psy_ath_abs_8[3]={

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  -130,-130,-140,

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};

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