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FFmpeg/libavcodec/sbcdsp_data.c

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  1. /*

  2.  * Bluetooth low-complexity, subband codec (SBC)

  3.  *

  4.  * Copyright (C) 2017  Aurelien Jacobs <aurel@gnuage.org>

  5.  * Copyright (C) 2008-2010  Nokia Corporation

  6.  * Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>

  7.  * Copyright (C) 2004-2005  Henryk Ploetz <henryk@ploetzli.ch>

  8.  * Copyright (C) 2005-2006  Brad Midgley <bmidgley@xmission.com>

  9.  *

  10.  * This file is part of FFmpeg.

  11.  *

  12.  * FFmpeg is free software; you can redistribute it and/or

  13.  * modify it under the terms of the GNU Lesser General Public

  14.  * License as published by the Free Software Foundation; either

  15.  * version 2.1 of the License, or (at your option) any later version.

  16.  *

  17.  * FFmpeg is distributed in the hope that it will be useful,

  18.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  19.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  20.  * Lesser General Public License for more details.

  21.  *

  22.  * You should have received a copy of the GNU Lesser General Public

  23.  * License along with FFmpeg; if not, write to the Free Software

  24.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  25.  */

  26. 

  27. /**

  28.  * @file

  29.  * miscellaneous SBC tables

  30.  */

  31. 

  32. #include "sbcdsp_data.h"

  33. 

  34. #define F_PROTO(x) ((int32_t) (((x) * 2) * ((int32_t) 1 << 15) + 0.5))

  35. #define F_COS(x)   ((int32_t) (((x)    ) * ((int32_t) 1 << 15) + 0.5))

  36. 

  37. /*

  38.  * Constant tables for the use in SIMD optimized analysis filters

  39.  * Each table consists of two parts:

  40.  * 1. reordered "proto" table

  41.  * 2. reordered "cos" table

  42.  *

  43.  * Due to non-symmetrical reordering, separate tables for "even"

  44.  * and "odd" cases are needed

  45.  */

  46. 

  47. DECLARE_ALIGNED(SBC_ALIGN, const int16_t, ff_sbcdsp_analysis_consts_fixed4_simd_even)[40 + 16] = {

  48. #define C0 1.0932568993

  49. #define C1 1.3056875580

  50. #define C2 1.3056875580

  51. #define C3 1.6772280856

  52. 

  53. #define F(x) F_PROTO(x)

  54.      F(0.00000000E+00 * C0),  F(3.83720193E-03 * C0),

  55.      F(5.36548976E-04 * C1),  F(2.73370904E-03 * C1),

  56.      F(3.06012286E-03 * C2),  F(3.89205149E-03 * C2),

  57.      F(0.00000000E+00 * C3), -F(1.49188357E-03 * C3),

  58.      F(1.09137620E-02 * C0),  F(2.58767811E-02 * C0),

  59.      F(2.04385087E-02 * C1),  F(3.21939290E-02 * C1),

  60.      F(7.76463494E-02 * C2),  F(6.13245186E-03 * C2),

  61.      F(0.00000000E+00 * C3), -F(2.88757392E-02 * C3),

  62.      F(1.35593274E-01 * C0),  F(2.94315332E-01 * C0),

  63.      F(1.94987841E-01 * C1),  F(2.81828203E-01 * C1),

  64.     -F(1.94987841E-01 * C2),  F(2.81828203E-01 * C2),

  65.      F(0.00000000E+00 * C3), -F(2.46636662E-01 * C3),

  66.     -F(1.35593274E-01 * C0),  F(2.58767811E-02 * C0),

  67.     -F(7.76463494E-02 * C1),  F(6.13245186E-03 * C1),

  68.     -F(2.04385087E-02 * C2),  F(3.21939290E-02 * C2),

  69.      F(0.00000000E+00 * C3),  F(2.88217274E-02 * C3),

  70.     -F(1.09137620E-02 * C0),  F(3.83720193E-03 * C0),

  71.     -F(3.06012286E-03 * C1),  F(3.89205149E-03 * C1),

  72.     -F(5.36548976E-04 * C2),  F(2.73370904E-03 * C2),

  73.      F(0.00000000E+00 * C3), -F(1.86581691E-03 * C3),

  74. #undef F

  75. #define F(x) F_COS(x)

  76.      F(0.7071067812 / C0),  F(0.9238795325 / C1),

  77.     -F(0.7071067812 / C0),  F(0.3826834324 / C1),

  78.     -F(0.7071067812 / C0), -F(0.3826834324 / C1),

  79.      F(0.7071067812 / C0), -F(0.9238795325 / C1),

  80.      F(0.3826834324 / C2), -F(1.0000000000 / C3),

  81.     -F(0.9238795325 / C2), -F(1.0000000000 / C3),

  82.      F(0.9238795325 / C2), -F(1.0000000000 / C3),

  83.     -F(0.3826834324 / C2), -F(1.0000000000 / C3),

  84. #undef F

  85. 

  86. #undef C0

  87. #undef C1

  88. #undef C2

  89. #undef C3

  90. };

  91. 

  92. DECLARE_ALIGNED(SBC_ALIGN, const int16_t, ff_sbcdsp_analysis_consts_fixed4_simd_odd)[40 + 16] = {

  93. #define C0 1.3056875580

  94. #define C1 1.6772280856

  95. #define C2 1.0932568993

  96. #define C3 1.3056875580

  97. 

  98. #define F(x) F_PROTO(x)

  99.      F(2.73370904E-03 * C0),  F(5.36548976E-04 * C0),

  100.     -F(1.49188357E-03 * C1),  F(0.00000000E+00 * C1),

  101.      F(3.83720193E-03 * C2),  F(1.09137620E-02 * C2),

  102.      F(3.89205149E-03 * C3),  F(3.06012286E-03 * C3),

  103.      F(3.21939290E-02 * C0),  F(2.04385087E-02 * C0),

  104.     -F(2.88757392E-02 * C1),  F(0.00000000E+00 * C1),

  105.      F(2.58767811E-02 * C2),  F(1.35593274E-01 * C2),

  106.      F(6.13245186E-03 * C3),  F(7.76463494E-02 * C3),

  107.      F(2.81828203E-01 * C0),  F(1.94987841E-01 * C0),

  108.     -F(2.46636662E-01 * C1),  F(0.00000000E+00 * C1),

  109.      F(2.94315332E-01 * C2), -F(1.35593274E-01 * C2),

  110.      F(2.81828203E-01 * C3), -F(1.94987841E-01 * C3),

  111.      F(6.13245186E-03 * C0), -F(7.76463494E-02 * C0),

  112.      F(2.88217274E-02 * C1),  F(0.00000000E+00 * C1),

  113.      F(2.58767811E-02 * C2), -F(1.09137620E-02 * C2),

  114.      F(3.21939290E-02 * C3), -F(2.04385087E-02 * C3),

  115.      F(3.89205149E-03 * C0), -F(3.06012286E-03 * C0),

  116.     -F(1.86581691E-03 * C1),  F(0.00000000E+00 * C1),

  117.      F(3.83720193E-03 * C2),  F(0.00000000E+00 * C2),

  118.      F(2.73370904E-03 * C3), -F(5.36548976E-04 * C3),

  119. #undef F

  120. #define F(x) F_COS(x)

  121.      F(0.9238795325 / C0), -F(1.0000000000 / C1),

  122.      F(0.3826834324 / C0), -F(1.0000000000 / C1),

  123.     -F(0.3826834324 / C0), -F(1.0000000000 / C1),

  124.     -F(0.9238795325 / C0), -F(1.0000000000 / C1),

  125.      F(0.7071067812 / C2),  F(0.3826834324 / C3),

  126.     -F(0.7071067812 / C2), -F(0.9238795325 / C3),

  127.     -F(0.7071067812 / C2),  F(0.9238795325 / C3),

  128.      F(0.7071067812 / C2), -F(0.3826834324 / C3),

  129. #undef F

  130. 

  131. #undef C0

  132. #undef C1

  133. #undef C2

  134. #undef C3

  135. };

  136. 

  137. DECLARE_ALIGNED(SBC_ALIGN, const int16_t, ff_sbcdsp_analysis_consts_fixed8_simd_even)[80 + 64] = {

  138. #define C0 2.7906148894

  139. #define C1 2.4270044280

  140. #define C2 2.8015616024

  141. #define C3 3.1710363741

  142. #define C4 2.5377944043

  143. #define C5 2.4270044280

  144. #define C6 2.8015616024

  145. #define C7 3.1710363741

  146. 

  147. #define F(x) F_PROTO(x)

  148.      F(0.00000000E+00 * C0),  F(2.01182542E-03 * C0),

  149.      F(1.56575398E-04 * C1),  F(1.78371725E-03 * C1),

  150.      F(3.43256425E-04 * C2),  F(1.47640169E-03 * C2),

  151.      F(5.54620202E-04 * C3),  F(1.13992507E-03 * C3),

  152.     -F(8.23919506E-04 * C4),  F(0.00000000E+00 * C4),

  153.      F(2.10371989E-03 * C5),  F(3.49717454E-03 * C5),

  154.      F(1.99454554E-03 * C6),  F(1.64973098E-03 * C6),

  155.      F(1.61656283E-03 * C7),  F(1.78805361E-04 * C7),

  156.      F(5.65949473E-03 * C0),  F(1.29371806E-02 * C0),

  157.      F(8.02941163E-03 * C1),  F(1.53184106E-02 * C1),

  158.      F(1.04584443E-02 * C2),  F(1.62208471E-02 * C2),

  159.      F(1.27472335E-02 * C3),  F(1.59045603E-02 * C3),

  160.     -F(1.46525263E-02 * C4),  F(0.00000000E+00 * C4),

  161.      F(8.85757540E-03 * C5),  F(5.31873032E-02 * C5),

  162.      F(2.92408442E-03 * C6),  F(3.90751381E-02 * C6),

  163.     -F(4.91578024E-03 * C7),  F(2.61098752E-02 * C7),

  164.      F(6.79989431E-02 * C0),  F(1.46955068E-01 * C0),

  165.      F(8.29847578E-02 * C1),  F(1.45389847E-01 * C1),

  166.      F(9.75753918E-02 * C2),  F(1.40753505E-01 * C2),

  167.      F(1.11196689E-01 * C3),  F(1.33264415E-01 * C3),

  168.     -F(1.23264548E-01 * C4),  F(0.00000000E+00 * C4),

  169.      F(1.45389847E-01 * C5), -F(8.29847578E-02 * C5),

  170.      F(1.40753505E-01 * C6), -F(9.75753918E-02 * C6),

  171.      F(1.33264415E-01 * C7), -F(1.11196689E-01 * C7),

  172.     -F(6.79989431E-02 * C0),  F(1.29371806E-02 * C0),

  173.     -F(5.31873032E-02 * C1),  F(8.85757540E-03 * C1),

  174.     -F(3.90751381E-02 * C2),  F(2.92408442E-03 * C2),

  175.     -F(2.61098752E-02 * C3), -F(4.91578024E-03 * C3),

  176.      F(1.46404076E-02 * C4),  F(0.00000000E+00 * C4),

  177.      F(1.53184106E-02 * C5), -F(8.02941163E-03 * C5),

  178.      F(1.62208471E-02 * C6), -F(1.04584443E-02 * C6),

  179.      F(1.59045603E-02 * C7), -F(1.27472335E-02 * C7),

  180.     -F(5.65949473E-03 * C0),  F(2.01182542E-03 * C0),

  181.     -F(3.49717454E-03 * C1),  F(2.10371989E-03 * C1),

  182.     -F(1.64973098E-03 * C2),  F(1.99454554E-03 * C2),

  183.     -F(1.78805361E-04 * C3),  F(1.61656283E-03 * C3),

  184.     -F(9.02154502E-04 * C4),  F(0.00000000E+00 * C4),

  185.      F(1.78371725E-03 * C5), -F(1.56575398E-04 * C5),

  186.      F(1.47640169E-03 * C6), -F(3.43256425E-04 * C6),

  187.      F(1.13992507E-03 * C7), -F(5.54620202E-04 * C7),

  188. #undef F

  189. #define F(x) F_COS(x)

  190.      F(0.7071067812 / C0),  F(0.8314696123 / C1),

  191.     -F(0.7071067812 / C0), -F(0.1950903220 / C1),

  192.     -F(0.7071067812 / C0), -F(0.9807852804 / C1),

  193.      F(0.7071067812 / C0), -F(0.5555702330 / C1),

  194.      F(0.7071067812 / C0),  F(0.5555702330 / C1),

  195.     -F(0.7071067812 / C0),  F(0.9807852804 / C1),

  196.     -F(0.7071067812 / C0),  F(0.1950903220 / C1),

  197.      F(0.7071067812 / C0), -F(0.8314696123 / C1),

  198.      F(0.9238795325 / C2),  F(0.9807852804 / C3),

  199.      F(0.3826834324 / C2),  F(0.8314696123 / C3),

  200.     -F(0.3826834324 / C2),  F(0.5555702330 / C3),

  201.     -F(0.9238795325 / C2),  F(0.1950903220 / C3),

  202.     -F(0.9238795325 / C2), -F(0.1950903220 / C3),

  203.     -F(0.3826834324 / C2), -F(0.5555702330 / C3),

  204.      F(0.3826834324 / C2), -F(0.8314696123 / C3),

  205.      F(0.9238795325 / C2), -F(0.9807852804 / C3),

  206.     -F(1.0000000000 / C4),  F(0.5555702330 / C5),

  207.     -F(1.0000000000 / C4), -F(0.9807852804 / C5),

  208.     -F(1.0000000000 / C4),  F(0.1950903220 / C5),

  209.     -F(1.0000000000 / C4),  F(0.8314696123 / C5),

  210.     -F(1.0000000000 / C4), -F(0.8314696123 / C5),

  211.     -F(1.0000000000 / C4), -F(0.1950903220 / C5),

  212.     -F(1.0000000000 / C4),  F(0.9807852804 / C5),

  213.     -F(1.0000000000 / C4), -F(0.5555702330 / C5),

  214.      F(0.3826834324 / C6),  F(0.1950903220 / C7),

  215.     -F(0.9238795325 / C6), -F(0.5555702330 / C7),

  216.      F(0.9238795325 / C6),  F(0.8314696123 / C7),

  217.     -F(0.3826834324 / C6), -F(0.9807852804 / C7),

  218.     -F(0.3826834324 / C6),  F(0.9807852804 / C7),

  219.      F(0.9238795325 / C6), -F(0.8314696123 / C7),

  220.     -F(0.9238795325 / C6),  F(0.5555702330 / C7),

  221.      F(0.3826834324 / C6), -F(0.1950903220 / C7),

  222. #undef F

  223. 

  224. #undef C0

  225. #undef C1

  226. #undef C2

  227. #undef C3

  228. #undef C4

  229. #undef C5

  230. #undef C6

  231. #undef C7

  232. };

  233. 

  234. DECLARE_ALIGNED(SBC_ALIGN, const int16_t, ff_sbcdsp_analysis_consts_fixed8_simd_odd)[80 + 64] = {

  235. #define C0 2.5377944043

  236. #define C1 2.4270044280

  237. #define C2 2.8015616024

  238. #define C3 3.1710363741

  239. #define C4 2.7906148894

  240. #define C5 2.4270044280

  241. #define C6 2.8015616024

  242. #define C7 3.1710363741

  243. 

  244. #define F(x) F_PROTO(x)

  245.      F(0.00000000E+00 * C0), -F(8.23919506E-04 * C0),

  246.      F(1.56575398E-04 * C1),  F(1.78371725E-03 * C1),

  247.      F(3.43256425E-04 * C2),  F(1.47640169E-03 * C2),

  248.      F(5.54620202E-04 * C3),  F(1.13992507E-03 * C3),

  249.      F(2.01182542E-03 * C4),  F(5.65949473E-03 * C4),

  250.      F(2.10371989E-03 * C5),  F(3.49717454E-03 * C5),

  251.      F(1.99454554E-03 * C6),  F(1.64973098E-03 * C6),

  252.      F(1.61656283E-03 * C7),  F(1.78805361E-04 * C7),

  253.      F(0.00000000E+00 * C0), -F(1.46525263E-02 * C0),

  254.      F(8.02941163E-03 * C1),  F(1.53184106E-02 * C1),

  255.      F(1.04584443E-02 * C2),  F(1.62208471E-02 * C2),

  256.      F(1.27472335E-02 * C3),  F(1.59045603E-02 * C3),

  257.      F(1.29371806E-02 * C4),  F(6.79989431E-02 * C4),

  258.      F(8.85757540E-03 * C5),  F(5.31873032E-02 * C5),

  259.      F(2.92408442E-03 * C6),  F(3.90751381E-02 * C6),

  260.     -F(4.91578024E-03 * C7),  F(2.61098752E-02 * C7),

  261.      F(0.00000000E+00 * C0), -F(1.23264548E-01 * C0),

  262.      F(8.29847578E-02 * C1),  F(1.45389847E-01 * C1),

  263.      F(9.75753918E-02 * C2),  F(1.40753505E-01 * C2),

  264.      F(1.11196689E-01 * C3),  F(1.33264415E-01 * C3),

  265.      F(1.46955068E-01 * C4), -F(6.79989431E-02 * C4),

  266.      F(1.45389847E-01 * C5), -F(8.29847578E-02 * C5),

  267.      F(1.40753505E-01 * C6), -F(9.75753918E-02 * C6),

  268.      F(1.33264415E-01 * C7), -F(1.11196689E-01 * C7),

  269.      F(0.00000000E+00 * C0),  F(1.46404076E-02 * C0),

  270.     -F(5.31873032E-02 * C1),  F(8.85757540E-03 * C1),

  271.     -F(3.90751381E-02 * C2),  F(2.92408442E-03 * C2),

  272.     -F(2.61098752E-02 * C3), -F(4.91578024E-03 * C3),

  273.      F(1.29371806E-02 * C4), -F(5.65949473E-03 * C4),

  274.      F(1.53184106E-02 * C5), -F(8.02941163E-03 * C5),

  275.      F(1.62208471E-02 * C6), -F(1.04584443E-02 * C6),

  276.      F(1.59045603E-02 * C7), -F(1.27472335E-02 * C7),

  277.      F(0.00000000E+00 * C0), -F(9.02154502E-04 * C0),

  278.     -F(3.49717454E-03 * C1),  F(2.10371989E-03 * C1),

  279.     -F(1.64973098E-03 * C2),  F(1.99454554E-03 * C2),

  280.     -F(1.78805361E-04 * C3),  F(1.61656283E-03 * C3),

  281.      F(2.01182542E-03 * C4),  F(0.00000000E+00 * C4),

  282.      F(1.78371725E-03 * C5), -F(1.56575398E-04 * C5),

  283.      F(1.47640169E-03 * C6), -F(3.43256425E-04 * C6),

  284.      F(1.13992507E-03 * C7), -F(5.54620202E-04 * C7),

  285. #undef F

  286. #define F(x) F_COS(x)

  287.     -F(1.0000000000 / C0),  F(0.8314696123 / C1),

  288.     -F(1.0000000000 / C0), -F(0.1950903220 / C1),

  289.     -F(1.0000000000 / C0), -F(0.9807852804 / C1),

  290.     -F(1.0000000000 / C0), -F(0.5555702330 / C1),

  291.     -F(1.0000000000 / C0),  F(0.5555702330 / C1),

  292.     -F(1.0000000000 / C0),  F(0.9807852804 / C1),

  293.     -F(1.0000000000 / C0),  F(0.1950903220 / C1),

  294.     -F(1.0000000000 / C0), -F(0.8314696123 / C1),

  295.      F(0.9238795325 / C2),  F(0.9807852804 / C3),

  296.      F(0.3826834324 / C2),  F(0.8314696123 / C3),

  297.     -F(0.3826834324 / C2),  F(0.5555702330 / C3),

  298.     -F(0.9238795325 / C2),  F(0.1950903220 / C3),

  299.     -F(0.9238795325 / C2), -F(0.1950903220 / C3),

  300.     -F(0.3826834324 / C2), -F(0.5555702330 / C3),

  301.      F(0.3826834324 / C2), -F(0.8314696123 / C3),

  302.      F(0.9238795325 / C2), -F(0.9807852804 / C3),

  303.      F(0.7071067812 / C4),  F(0.5555702330 / C5),

  304.     -F(0.7071067812 / C4), -F(0.9807852804 / C5),

  305.     -F(0.7071067812 / C4),  F(0.1950903220 / C5),

  306.      F(0.7071067812 / C4),  F(0.8314696123 / C5),

  307.      F(0.7071067812 / C4), -F(0.8314696123 / C5),

  308.     -F(0.7071067812 / C4), -F(0.1950903220 / C5),

  309.     -F(0.7071067812 / C4),  F(0.9807852804 / C5),

  310.      F(0.7071067812 / C4), -F(0.5555702330 / C5),

  311.      F(0.3826834324 / C6),  F(0.1950903220 / C7),

  312.     -F(0.9238795325 / C6), -F(0.5555702330 / C7),

  313.      F(0.9238795325 / C6),  F(0.8314696123 / C7),

  314.     -F(0.3826834324 / C6), -F(0.9807852804 / C7),

  315.     -F(0.3826834324 / C6),  F(0.9807852804 / C7),

  316.      F(0.9238795325 / C6), -F(0.8314696123 / C7),

  317.     -F(0.9238795325 / C6),  F(0.5555702330 / C7),

  318.      F(0.3826834324 / C6), -F(0.1950903220 / C7),

  319. #undef F

  320. 

  321. #undef C0

  322. #undef C1

  323. #undef C2

  324. #undef C3

  325. #undef C4

  326. #undef C5

  327. #undef C6

  328. #undef C7

  329. };