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شاخه‌ها تگ‌ها
esp-idf
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components
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bt
/
host
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bluedroid
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external
/
sbc
/
decoder
/
srce
/
synthesis-8-generated.c

synthesis-8-generated.c 7.8 KB
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  1. /******************************************************************************
    2. 

  2.  *
    3. 

  3.  *  Copyright (C) 2014 The Android Open Source Project
    4. 

  4.  *  Copyright 2003 - 2004 Open Interface North America, Inc. All rights reserved.
    5. 

  5.  *
    6. 

  6.  *  Licensed under the Apache License, Version 2.0 (the "License");
    7. 

  7.  *  you may not use this file except in compliance with the License.
    8. 

  8.  *  You may obtain a copy of the License at:
    9. 

  9.  *
    10. 

  10.  *  http://www.apache.org/licenses/LICENSE-2.0
    11. 

  11.  *
    12. 

  12.  *  Unless required by applicable law or agreed to in writing, software
    13. 

  13.  *  distributed under the License is distributed on an "AS IS" BASIS,
    14. 

  14.  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    15. 

  15.  *  See the License for the specific language governing permissions and
    16. 

  16.  *  limitations under the License.
    17. 

  17.  *
    18. 

  18.  ******************************************************************************/
    19. 

  19. 

  20. /**
    21. 

  21.  @file
    22. 

  22. 

  23.  DO NOT EDIT THIS FILE DIRECTLY
    24. 

  24. 

  25.  This file is automatically generated by the "synthesis-gen.pl" script.
    26. 

  26.  Any changes to this generated file will be lost when the script is re-run.
    27. 

  27. 

  28.  These functions are called by functions in synthesis.c to perform the synthesis
    29. 

  29.  filterbank computations for the SBC decoder.
    30. 

  30. 

  31. 

  32.  */
    33. 

  33. #include "common/bt_target.h"
    34. 

  34. #include <oi_codec_sbc_private.h>
    35. 

  35. 

  36. #if (defined(SBC_DEC_INCLUDED) && SBC_DEC_INCLUDED == TRUE)
    37. 

  37. 

  38. #ifndef CLIP_INT16
    39. 

  39. #define CLIP_INT16(x) do { if (x > OI_INT16_MAX) { x = OI_INT16_MAX; } else if (x < OI_INT16_MIN) { x = OI_INT16_MIN; } } while (0)
    40. 

  40. #endif
    41. 

  41. 

  42. #define MUL_16S_16S(_x, _y) ((_x) * (_y))
    43. 

  43. 

  44. PRIVATE void SynthWindow80_generated(OI_INT16 *pcm, SBC_BUFFER_T const *RESTRICT buffer, OI_UINT strideShift)
    45. 

  45. {
    46. 

  46.     OI_INT32 pcm_a, pcm_b;
    47. 

  47.     /* 1 - stage 0 */ pcm_b = 0;
    48. 

  48.     /* 1 - stage 0 */ pcm_b += (MUL_16S_16S(8235, buffer[ 12])) >> 3;
    49. 

  49.     /* 1 - stage 0 */ pcm_b += (MUL_16S_16S(-23167, buffer[ 20])) >> 3;
    50. 

  50.     /* 1 - stage 0 */ pcm_b += (MUL_16S_16S(26479, buffer[ 28])) >> 2;
    51. 

  51.     /* 1 - stage 0 */ pcm_b += (MUL_16S_16S(-17397, buffer[ 36])) << 1;
    52. 

  52.     /* 1 - stage 0 */ pcm_b += (MUL_16S_16S(9399, buffer[ 44])) << 3;
    53. 

  53.     /* 1 - stage 0 */ pcm_b += (MUL_16S_16S(17397, buffer[ 52])) << 1;
    54. 

  54.     /* 1 - stage 0 */ pcm_b += (MUL_16S_16S(26479, buffer[ 60])) >> 2;
    55. 

  55.     /* 1 - stage 0 */ pcm_b += (MUL_16S_16S(23167, buffer[ 68])) >> 3;
    56. 

  56.     /* 1 - stage 0 */ pcm_b += (MUL_16S_16S(8235, buffer[ 76])) >> 3;
    57. 

  57.     /* 1 - stage 0 */ pcm_b /= 32768; CLIP_INT16(pcm_b); pcm[0 << strideShift] = (OI_INT16)pcm_b;
    58. 

  58.     /* 1 - stage 1 */ pcm_a = 0;
    59. 

  59.     /* 1 - stage 1 */ pcm_b = 0;
    60. 

  60.     /* 1 - stage 1 */ pcm_a += (MUL_16S_16S(-3263, buffer[  5])) >> 5;
    61. 

  61.     /* 1 - stage 1 */ pcm_b += (MUL_16S_16S(9293, buffer[  5])) >> 3;
    62. 

  62.     /* 1 - stage 1 */ pcm_a += (MUL_16S_16S(29293, buffer[ 11])) >> 5;
    63. 

  63.     /* 1 - stage 1 */ pcm_b += (MUL_16S_16S(-6087, buffer[ 11])) >> 2;
    64. 

  64.     /* 1 - stage 1 */ pcm_a += (MUL_16S_16S(-5229, buffer[ 21]));
    65. 

  65.     /* 1 - stage 1 */ pcm_b += (MUL_16S_16S(1247, buffer[ 21])) << 3;
    66. 

  66.     /* 1 - stage 1 */ pcm_a += (MUL_16S_16S(30835, buffer[ 27])) >> 3;
    67. 

  67.     /* 1 - stage 1 */ pcm_b += (MUL_16S_16S(-2893, buffer[ 27])) << 3;
    68. 

  68.     /* 1 - stage 1 */ pcm_a += (MUL_16S_16S(-27021, buffer[ 37])) << 1;
    69. 

  69.     /* 1 - stage 1 */ pcm_b += (MUL_16S_16S(23671, buffer[ 37])) << 2;
    70. 

  70.     /* 1 - stage 1 */ pcm_a += (MUL_16S_16S(31633, buffer[ 43])) << 1;
    71. 

  71.     /* 1 - stage 1 */ pcm_b += (MUL_16S_16S(18055, buffer[ 43])) << 1;
    72. 

  72.     /* 1 - stage 1 */ pcm_a += (MUL_16S_16S(17319, buffer[ 53])) << 1;
    73. 

  73.     /* 1 - stage 1 */ pcm_b += (MUL_16S_16S(11537, buffer[ 53])) >> 1;
    74. 

  74.     /* 1 - stage 1 */ pcm_a += (MUL_16S_16S(26663, buffer[ 59])) >> 2;
    75. 

  75.     /* 1 - stage 1 */ pcm_b += (MUL_16S_16S(1747, buffer[ 59])) << 1;
    76. 

  76.     /* 1 - stage 1 */ pcm_a += (MUL_16S_16S(4555, buffer[ 69])) >> 1;
    77. 

  77.     /* 1 - stage 1 */ pcm_b += (MUL_16S_16S(685, buffer[ 69])) << 1;
    78. 

  78.     /* 1 - stage 1 */ pcm_a += (MUL_16S_16S(12419, buffer[ 75])) >> 4;
    79. 

  79.     /* 1 - stage 1 */ pcm_b += (MUL_16S_16S(8721, buffer[ 75])) >> 7;
    80. 

  80.     /* 1 - stage 1 */ pcm_a /= 32768; CLIP_INT16(pcm_a); pcm[1 << strideShift] = (OI_INT16)pcm_a;
    81. 

  81.     /* 1 - stage 1 */ pcm_b /= 32768; CLIP_INT16(pcm_b); pcm[7 << strideShift] = (OI_INT16)pcm_b;
    82. 

  82.     /* 1 - stage 2 */ pcm_a = 0;
    83. 

  83.     /* 1 - stage 2 */ pcm_b = 0;
    84. 

  84.     /* 1 - stage 2 */ pcm_a += (MUL_16S_16S(-10385, buffer[  6])) >> 6;
    85. 

  85.     /* 1 - stage 2 */ pcm_b += (MUL_16S_16S(11167, buffer[  6])) >> 4;
    86. 

  86.     /* 1 - stage 2 */ pcm_a += (MUL_16S_16S(24995, buffer[ 10])) >> 5;
    87. 

  87.     /* 1 - stage 2 */ pcm_b += (MUL_16S_16S(-10337, buffer[ 10])) >> 4;
    88. 

  88.     /* 1 - stage 2 */ pcm_a += (MUL_16S_16S(-309, buffer[ 22])) << 4;
    89. 

  89.     /* 1 - stage 2 */ pcm_b += (MUL_16S_16S(1917, buffer[ 22])) << 2;
    90. 

  90.     /* 1 - stage 2 */ pcm_a += (MUL_16S_16S(9161, buffer[ 26])) >> 3;
    91. 

  91.     /* 1 - stage 2 */ pcm_b += (MUL_16S_16S(-30605, buffer[ 26])) >> 1;
    92. 

  92.     /* 1 - stage 2 */ pcm_a += (MUL_16S_16S(-23063, buffer[ 38])) << 1;
    93. 

  93.     /* 1 - stage 2 */ pcm_b += (MUL_16S_16S(8317, buffer[ 38])) << 3;
    94. 

  94.     /* 1 - stage 2 */ pcm_a += (MUL_16S_16S(27561, buffer[ 42])) << 1;
    95. 

  95.     /* 1 - stage 2 */ pcm_b += (MUL_16S_16S(9553, buffer[ 42])) << 2;
    96. 

  96.     /* 1 - stage 2 */ pcm_a += (MUL_16S_16S(2309, buffer[ 54])) << 3;
    97. 

  97.     /* 1 - stage 2 */ pcm_b += (MUL_16S_16S(22117, buffer[ 54])) >> 4;
    98. 

  98.     /* 1 - stage 2 */ pcm_a += (MUL_16S_16S(12705, buffer[ 58])) >> 1;
    99. 

  99.     /* 1 - stage 2 */ pcm_b += (MUL_16S_16S(16383, buffer[ 58])) >> 2;
    100. 

  100.     /* 1 - stage 2 */ pcm_a += (MUL_16S_16S(6239, buffer[ 70])) >> 3;
    101. 

  101.     /* 1 - stage 2 */ pcm_b += (MUL_16S_16S(7543, buffer[ 70])) >> 3;
    102. 

  102.     /* 1 - stage 2 */ pcm_a += (MUL_16S_16S(9251, buffer[ 74])) >> 4;
    103. 

  103.     /* 1 - stage 2 */ pcm_b += (MUL_16S_16S(8603, buffer[ 74])) >> 6;
    104. 

  104.     /* 1 - stage 2 */ pcm_a /= 32768; CLIP_INT16(pcm_a); pcm[2 << strideShift] = (OI_INT16)pcm_a;
    105. 

  105.     /* 1 - stage 2 */ pcm_b /= 32768; CLIP_INT16(pcm_b); pcm[6 << strideShift] = (OI_INT16)pcm_b;
    106. 

  106.     /* 1 - stage 3 */ pcm_a = 0;
    107. 

  107.     /* 1 - stage 3 */ pcm_b = 0;
    108. 

  108.     /* 1 - stage 3 */ pcm_a += (MUL_16S_16S(-16457, buffer[  7])) >> 6;
    109. 

  109.     /* 1 - stage 3 */ pcm_b += (MUL_16S_16S(16913, buffer[  7])) >> 5;
    110. 

  110.     /* 1 - stage 3 */ pcm_a += (MUL_16S_16S(19083, buffer[  9])) >> 5;
    111. 

  111.     /* 1 - stage 3 */ pcm_b += (MUL_16S_16S(-8443, buffer[  9])) >> 7;
    112. 

  112.     /* 1 - stage 3 */ pcm_a += (MUL_16S_16S(-23641, buffer[ 23])) >> 2;
    113. 

  113.     /* 1 - stage 3 */ pcm_b += (MUL_16S_16S(3687, buffer[ 23])) << 1;
    114. 

  114.     /* 1 - stage 3 */ pcm_a += (MUL_16S_16S(-29015, buffer[ 25])) >> 4;
    115. 

  115.     /* 1 - stage 3 */ pcm_b += (MUL_16S_16S(-301, buffer[ 25])) << 5;
    116. 

  116.     /* 1 - stage 3 */ pcm_a += (MUL_16S_16S(-12889, buffer[ 39])) << 2;
    117. 

  117.     /* 1 - stage 3 */ pcm_b += (MUL_16S_16S(15447, buffer[ 39])) << 2;
    118. 

  118.     /* 1 - stage 3 */ pcm_a += (MUL_16S_16S(6145, buffer[ 41])) << 3;
    119. 

  119.     /* 1 - stage 3 */ pcm_b += (MUL_16S_16S(10255, buffer[ 41])) << 2;
    120. 

  120.     /* 1 - stage 3 */ pcm_a += (MUL_16S_16S(24211, buffer[ 55])) >> 1;
    121. 

  121.     /* 1 - stage 3 */ pcm_b += (MUL_16S_16S(-18233, buffer[ 55])) >> 3;
    122. 

  122.     /* 1 - stage 3 */ pcm_a += (MUL_16S_16S(23469, buffer[ 57])) >> 2;
    123. 

  123.     /* 1 - stage 3 */ pcm_b += (MUL_16S_16S(9405, buffer[ 57])) >> 1;
    124. 

  124.     /* 1 - stage 3 */ pcm_a += (MUL_16S_16S(21223, buffer[ 71])) >> 8;
    125. 

  125.     /* 1 - stage 3 */ pcm_b += (MUL_16S_16S(1499, buffer[ 71])) >> 1;
    126. 

  126.     /* 1 - stage 3 */ pcm_a += (MUL_16S_16S(26913, buffer[ 73])) >> 6;
    127. 

  127.     /* 1 - stage 3 */ pcm_b += (MUL_16S_16S(26189, buffer[ 73])) >> 7;
    128. 

  128.     /* 1 - stage 3 */ pcm_a /= 32768; CLIP_INT16(pcm_a); pcm[3 << strideShift] = (OI_INT16)pcm_a;
    129. 

  129.     /* 1 - stage 3 */ pcm_b /= 32768; CLIP_INT16(pcm_b); pcm[5 << strideShift] = (OI_INT16)pcm_b;
    130. 

  130.     /* 1 - stage 4 */ pcm_a = 0;
    131. 

  131.     /* 1 - stage 4 */ pcm_a += (MUL_16S_16S(10445, buffer[  8])) >> 4;
    132. 

  132.     /* 1 - stage 4 */ pcm_a += (MUL_16S_16S(-5297, buffer[ 24])) << 1;
    133. 

  133.     /* 1 - stage 4 */ pcm_a += (MUL_16S_16S(22299, buffer[ 40])) << 2;
    134. 

  134.     /* 1 - stage 4 */ pcm_a += (MUL_16S_16S(10603, buffer[ 56]));
    135. 

  135.     /* 1 - stage 4 */ pcm_a += (MUL_16S_16S(9539, buffer[ 72])) >> 4;
    136. 

  136.     /* 1 - stage 4 */ pcm_a /= 32768; CLIP_INT16(pcm_a); pcm[4 << strideShift] = (OI_INT16)pcm_a;
    137. 

  137. }
    138. 

  138. 

  139. #endif /* #if (defined(SBC_DEC_INCLUDED) && SBC_DEC_INCLUDED == TRUE) */
    140.