1 /****************************************************************************** 2 * 3 * Copyright 2014 The Android Open Source Project 4 * Copyright 2003 - 2004 Open Interface North America, Inc. All rights 5 * reserved. 6 * 7 * Licensed under the Apache License, Version 2.0 (the "License"); 8 * you may not use this file except in compliance with the License. 9 * You may obtain a copy of the License at: 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, software 14 * distributed under the License is distributed on an "AS IS" BASIS, 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 * See the License for the specific language governing permissions and 17 * limitations under the License. 18 * 19 ******************************************************************************/ 20 21 /** 22 @file 23 24 DO NOT EDIT THIS FILE DIRECTLY 25 26 This file is automatically generated by the "synthesis-gen.pl" script. 27 Any changes to this generated file will be lost when the script is re-run. 28 29 These functions are called by functions in synthesis.c to perform the synthesis 30 filterbank computations for the SBC decoder. 31 32 33 */ 34 35 #include <oi_codec_sbc_private.h> 36 37 #ifndef CLIP_INT16 38 #define CLIP_INT16(x) \ 39 do { \ 40 if ((x) > OI_INT16_MAX) { \ 41 (x) = OI_INT16_MAX; \ 42 } else if ((x) < OI_INT16_MIN) { \ 43 (x) = OI_INT16_MIN; \ 44 } \ 45 } while (0) 46 #endif 47 48 #define MUL_16S_16S(_x, _y) ((_x) * (_y)) 49 50 PRIVATE void SynthWindow80_generated(int16_t* pcm, 51 SBC_BUFFER_T const* RESTRICT buffer, 52 OI_UINT strideShift) { 53 int32_t pcm_a, pcm_b; 54 /* 1 - stage 0 */ pcm_b = 0; 55 /* 1 - stage 0 */ pcm_b += (MUL_16S_16S(8235, buffer[12])) >> 3; 56 /* 1 - stage 0 */ pcm_b += (MUL_16S_16S(-23167, buffer[20])) >> 3; 57 /* 1 - stage 0 */ pcm_b += (MUL_16S_16S(26479, buffer[28])) >> 2; 58 /* 1 - stage 0 */ pcm_b += (MUL_16S_16S(-17397, buffer[36])) << 1; 59 /* 1 - stage 0 */ pcm_b += (MUL_16S_16S(9399, buffer[44])) << 3; 60 /* 1 - stage 0 */ pcm_b += (MUL_16S_16S(17397, buffer[52])) << 1; 61 /* 1 - stage 0 */ pcm_b += (MUL_16S_16S(26479, buffer[60])) >> 2; 62 /* 1 - stage 0 */ pcm_b += (MUL_16S_16S(23167, buffer[68])) >> 3; 63 /* 1 - stage 0 */ pcm_b += (MUL_16S_16S(8235, buffer[76])) >> 3; 64 /* 1 - stage 0 */ pcm_b /= 32768; 65 CLIP_INT16(pcm_b); 66 pcm[0 << strideShift] = (int16_t)pcm_b; 67 /* 1 - stage 1 */ pcm_a = 0; 68 /* 1 - stage 1 */ pcm_b = 0; 69 /* 1 - stage 1 */ pcm_a += (MUL_16S_16S(-3263, buffer[5])) >> 5; 70 /* 1 - stage 1 */ pcm_b += (MUL_16S_16S(9293, buffer[5])) >> 3; 71 /* 1 - stage 1 */ pcm_a += (MUL_16S_16S(29293, buffer[11])) >> 5; 72 /* 1 - stage 1 */ pcm_b += (MUL_16S_16S(-6087, buffer[11])) >> 2; 73 /* 1 - stage 1 */ pcm_a += (MUL_16S_16S(-5229, buffer[21])); 74 /* 1 - stage 1 */ pcm_b += (MUL_16S_16S(1247, buffer[21])) << 3; 75 /* 1 - stage 1 */ pcm_a += (MUL_16S_16S(30835, buffer[27])) >> 3; 76 /* 1 - stage 1 */ pcm_b += (MUL_16S_16S(-2893, buffer[27])) << 3; 77 /* 1 - stage 1 */ pcm_a += (MUL_16S_16S(-27021, buffer[37])) << 1; 78 /* 1 - stage 1 */ pcm_b += (MUL_16S_16S(23671, buffer[37])) << 2; 79 /* 1 - stage 1 */ pcm_a += (MUL_16S_16S(31633, buffer[43])) << 1; 80 /* 1 - stage 1 */ pcm_b += (MUL_16S_16S(18055, buffer[43])) << 1; 81 /* 1 - stage 1 */ pcm_a += (MUL_16S_16S(17319, buffer[53])) << 1; 82 /* 1 - stage 1 */ pcm_b += (MUL_16S_16S(11537, buffer[53])) >> 1; 83 /* 1 - stage 1 */ pcm_a += (MUL_16S_16S(26663, buffer[59])) >> 2; 84 /* 1 - stage 1 */ pcm_b += (MUL_16S_16S(1747, buffer[59])) << 1; 85 /* 1 - stage 1 */ pcm_a += (MUL_16S_16S(4555, buffer[69])) >> 1; 86 /* 1 - stage 1 */ pcm_b += (MUL_16S_16S(685, buffer[69])) << 1; 87 /* 1 - stage 1 */ pcm_a += (MUL_16S_16S(12419, buffer[75])) >> 4; 88 /* 1 - stage 1 */ pcm_b += (MUL_16S_16S(8721, buffer[75])) >> 7; 89 /* 1 - stage 1 */ pcm_a /= 32768; 90 CLIP_INT16(pcm_a); 91 pcm[1 << strideShift] = (int16_t)pcm_a; 92 /* 1 - stage 1 */ pcm_b /= 32768; 93 CLIP_INT16(pcm_b); 94 pcm[7 << strideShift] = (int16_t)pcm_b; 95 /* 1 - stage 2 */ pcm_a = 0; 96 /* 1 - stage 2 */ pcm_b = 0; 97 /* 1 - stage 2 */ pcm_a += (MUL_16S_16S(-10385, buffer[6])) >> 6; 98 /* 1 - stage 2 */ pcm_b += (MUL_16S_16S(11167, buffer[6])) >> 4; 99 /* 1 - stage 2 */ pcm_a += (MUL_16S_16S(24995, buffer[10])) >> 5; 100 /* 1 - stage 2 */ pcm_b += (MUL_16S_16S(-10337, buffer[10])) >> 4; 101 /* 1 - stage 2 */ pcm_a += (MUL_16S_16S(-309, buffer[22])) << 4; 102 /* 1 - stage 2 */ pcm_b += (MUL_16S_16S(1917, buffer[22])) << 2; 103 /* 1 - stage 2 */ pcm_a += (MUL_16S_16S(9161, buffer[26])) >> 3; 104 /* 1 - stage 2 */ pcm_b += (MUL_16S_16S(-30605, buffer[26])) >> 1; 105 /* 1 - stage 2 */ pcm_a += (MUL_16S_16S(-23063, buffer[38])) << 1; 106 /* 1 - stage 2 */ pcm_b += (MUL_16S_16S(8317, buffer[38])) << 3; 107 /* 1 - stage 2 */ pcm_a += (MUL_16S_16S(27561, buffer[42])) << 1; 108 /* 1 - stage 2 */ pcm_b += (MUL_16S_16S(9553, buffer[42])) << 2; 109 /* 1 - stage 2 */ pcm_a += (MUL_16S_16S(2309, buffer[54])) << 3; 110 /* 1 - stage 2 */ pcm_b += (MUL_16S_16S(22117, buffer[54])) >> 4; 111 /* 1 - stage 2 */ pcm_a += (MUL_16S_16S(12705, buffer[58])) >> 1; 112 /* 1 - stage 2 */ pcm_b += (MUL_16S_16S(16383, buffer[58])) >> 2; 113 /* 1 - stage 2 */ pcm_a += (MUL_16S_16S(6239, buffer[70])) >> 3; 114 /* 1 - stage 2 */ pcm_b += (MUL_16S_16S(7543, buffer[70])) >> 3; 115 /* 1 - stage 2 */ pcm_a += (MUL_16S_16S(9251, buffer[74])) >> 4; 116 /* 1 - stage 2 */ pcm_b += (MUL_16S_16S(8603, buffer[74])) >> 6; 117 /* 1 - stage 2 */ pcm_a /= 32768; 118 CLIP_INT16(pcm_a); 119 pcm[2 << strideShift] = (int16_t)pcm_a; 120 /* 1 - stage 2 */ pcm_b /= 32768; 121 CLIP_INT16(pcm_b); 122 pcm[6 << strideShift] = (int16_t)pcm_b; 123 /* 1 - stage 3 */ pcm_a = 0; 124 /* 1 - stage 3 */ pcm_b = 0; 125 /* 1 - stage 3 */ pcm_a += (MUL_16S_16S(-16457, buffer[7])) >> 6; 126 /* 1 - stage 3 */ pcm_b += (MUL_16S_16S(16913, buffer[7])) >> 5; 127 /* 1 - stage 3 */ pcm_a += (MUL_16S_16S(19083, buffer[9])) >> 5; 128 /* 1 - stage 3 */ pcm_b += (MUL_16S_16S(-8443, buffer[9])) >> 7; 129 /* 1 - stage 3 */ pcm_a += (MUL_16S_16S(-23641, buffer[23])) >> 2; 130 /* 1 - stage 3 */ pcm_b += (MUL_16S_16S(3687, buffer[23])) << 1; 131 /* 1 - stage 3 */ pcm_a += (MUL_16S_16S(-29015, buffer[25])) >> 4; 132 /* 1 - stage 3 */ pcm_b += (MUL_16S_16S(-301, buffer[25])) << 5; 133 /* 1 - stage 3 */ pcm_a += (MUL_16S_16S(-12889, buffer[39])) << 2; 134 /* 1 - stage 3 */ pcm_b += (MUL_16S_16S(15447, buffer[39])) << 2; 135 /* 1 - stage 3 */ pcm_a += (MUL_16S_16S(6145, buffer[41])) << 3; 136 /* 1 - stage 3 */ pcm_b += (MUL_16S_16S(10255, buffer[41])) << 2; 137 /* 1 - stage 3 */ pcm_a += (MUL_16S_16S(24211, buffer[55])) >> 1; 138 /* 1 - stage 3 */ pcm_b += (MUL_16S_16S(-18233, buffer[55])) >> 3; 139 /* 1 - stage 3 */ pcm_a += (MUL_16S_16S(23469, buffer[57])) >> 2; 140 /* 1 - stage 3 */ pcm_b += (MUL_16S_16S(9405, buffer[57])) >> 1; 141 /* 1 - stage 3 */ pcm_a += (MUL_16S_16S(21223, buffer[71])) >> 8; 142 /* 1 - stage 3 */ pcm_b += (MUL_16S_16S(1499, buffer[71])) >> 1; 143 /* 1 - stage 3 */ pcm_a += (MUL_16S_16S(26913, buffer[73])) >> 6; 144 /* 1 - stage 3 */ pcm_b += (MUL_16S_16S(26189, buffer[73])) >> 7; 145 /* 1 - stage 3 */ pcm_a /= 32768; 146 CLIP_INT16(pcm_a); 147 pcm[3 << strideShift] = (int16_t)pcm_a; 148 /* 1 - stage 3 */ pcm_b /= 32768; 149 CLIP_INT16(pcm_b); 150 pcm[5 << strideShift] = (int16_t)pcm_b; 151 /* 1 - stage 4 */ pcm_a = 0; 152 /* 1 - stage 4 */ pcm_a += (MUL_16S_16S(10445, buffer[8])) >> 4; 153 /* 1 - stage 4 */ pcm_a += (MUL_16S_16S(-5297, buffer[24])) << 1; 154 /* 1 - stage 4 */ pcm_a += (MUL_16S_16S(22299, buffer[40])) << 2; 155 /* 1 - stage 4 */ pcm_a += (MUL_16S_16S(10603, buffer[56])); 156 /* 1 - stage 4 */ pcm_a += (MUL_16S_16S(9539, buffer[72])) >> 4; 157 /* 1 - stage 4 */ pcm_a /= 32768; 158 CLIP_INT16(pcm_a); 159 pcm[4 << strideShift] = (int16_t)pcm_a; 160 } 161
