1 /****************************************************************************** 2 * 3 * Copyright (C) 2014 The Android Open Source Project 4 * Copyright 2003 - 2004 Open Interface North America, Inc. All rights reserved. 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at: 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 * 18 ******************************************************************************/ 19 20 /** 21 @file 22 23 DO NOT EDIT THIS FILE DIRECTLY 24 25 This file is automatically generated by the "synthesis-gen.pl" script. 26 Any changes to this generated file will be lost when the script is re-run. 27 28 These functions are called by functions in synthesis.c to perform the synthesis 29 filterbank computations for the SBC decoder. 30 31 32 */ 33 34 #include <oi_codec_sbc_private.h> 35 36 #ifndef CLIP_INT16 37 #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) 38 #endif 39 40 #define MUL_16S_16S(_x, _y) ((_x) * (_y)) 41 42 PRIVATE void SynthWindow80_generated(OI_INT16 *pcm, SBC_BUFFER_T const * RESTRICT buffer, OI_UINT strideShift) 43 { 44 OI_INT32 pcm_a, pcm_b; 45 /* 1 - stage 0 */ pcm_b = 0; 46 /* 1 - stage 0 */ pcm_b +=(MUL_16S_16S(8235, buffer[ 12]))>> 3; 47 /* 1 - stage 0 */ pcm_b +=(MUL_16S_16S(-23167, buffer[ 20]))>> 3; 48 /* 1 - stage 0 */ pcm_b +=(MUL_16S_16S(26479, buffer[ 28]))>> 2; 49 /* 1 - stage 0 */ pcm_b +=(MUL_16S_16S(-17397, buffer[ 36]))<< 1; 50 /* 1 - stage 0 */ pcm_b +=(MUL_16S_16S(9399, buffer[ 44]))<< 3; 51 /* 1 - stage 0 */ pcm_b +=(MUL_16S_16S(17397, buffer[ 52]))<< 1; 52 /* 1 - stage 0 */ pcm_b +=(MUL_16S_16S(26479, buffer[ 60]))>> 2; 53 /* 1 - stage 0 */ pcm_b +=(MUL_16S_16S(23167, buffer[ 68]))>> 3; 54 /* 1 - stage 0 */ pcm_b +=(MUL_16S_16S(8235, buffer[ 76]))>> 3; 55 /* 1 - stage 0 */ pcm_b /= 32768; CLIP_INT16(pcm_b); pcm[0<<strideShift] = (OI_INT16)pcm_b; 56 /* 1 - stage 1 */ pcm_a = 0; 57 /* 1 - stage 1 */ pcm_b = 0; 58 /* 1 - stage 1 */ pcm_a +=(MUL_16S_16S(-3263, buffer[ 5]))>> 5; 59 /* 1 - stage 1 */ pcm_b +=(MUL_16S_16S(9293, buffer[ 5]))>> 3; 60 /* 1 - stage 1 */ pcm_a +=(MUL_16S_16S(29293, buffer[ 11]))>> 5; 61 /* 1 - stage 1 */ pcm_b +=(MUL_16S_16S(-6087, buffer[ 11]))>> 2; 62 /* 1 - stage 1 */ pcm_a +=(MUL_16S_16S(-5229, buffer[ 21])); 63 /* 1 - stage 1 */ pcm_b +=(MUL_16S_16S(1247, buffer[ 21]))<< 3; 64 /* 1 - stage 1 */ pcm_a +=(MUL_16S_16S(30835, buffer[ 27]))>> 3; 65 /* 1 - stage 1 */ pcm_b +=(MUL_16S_16S(-2893, buffer[ 27]))<< 3; 66 /* 1 - stage 1 */ pcm_a +=(MUL_16S_16S(-27021, buffer[ 37]))<< 1; 67 /* 1 - stage 1 */ pcm_b +=(MUL_16S_16S(23671, buffer[ 37]))<< 2; 68 /* 1 - stage 1 */ pcm_a +=(MUL_16S_16S(31633, buffer[ 43]))<< 1; 69 /* 1 - stage 1 */ pcm_b +=(MUL_16S_16S(18055, buffer[ 43]))<< 1; 70 /* 1 - stage 1 */ pcm_a +=(MUL_16S_16S(17319, buffer[ 53]))<< 1; 71 /* 1 - stage 1 */ pcm_b +=(MUL_16S_16S(11537, buffer[ 53]))>> 1; 72 /* 1 - stage 1 */ pcm_a +=(MUL_16S_16S(26663, buffer[ 59]))>> 2; 73 /* 1 - stage 1 */ pcm_b +=(MUL_16S_16S(1747, buffer[ 59]))<< 1; 74 /* 1 - stage 1 */ pcm_a +=(MUL_16S_16S(4555, buffer[ 69]))>> 1; 75 /* 1 - stage 1 */ pcm_b +=(MUL_16S_16S(685, buffer[ 69]))<< 1; 76 /* 1 - stage 1 */ pcm_a +=(MUL_16S_16S(12419, buffer[ 75]))>> 4; 77 /* 1 - stage 1 */ pcm_b +=(MUL_16S_16S(8721, buffer[ 75]))>> 7; 78 /* 1 - stage 1 */ pcm_a /= 32768; CLIP_INT16(pcm_a); pcm[1<<strideShift] = (OI_INT16)pcm_a; 79 /* 1 - stage 1 */ pcm_b /= 32768; CLIP_INT16(pcm_b); pcm[7<<strideShift] = (OI_INT16)pcm_b; 80 /* 1 - stage 2 */ pcm_a = 0; 81 /* 1 - stage 2 */ pcm_b = 0; 82 /* 1 - stage 2 */ pcm_a +=(MUL_16S_16S(-10385, buffer[ 6]))>> 6; 83 /* 1 - stage 2 */ pcm_b +=(MUL_16S_16S(11167, buffer[ 6]))>> 4; 84 /* 1 - stage 2 */ pcm_a +=(MUL_16S_16S(24995, buffer[ 10]))>> 5; 85 /* 1 - stage 2 */ pcm_b +=(MUL_16S_16S(-10337, buffer[ 10]))>> 4; 86 /* 1 - stage 2 */ pcm_a +=(MUL_16S_16S(-309, buffer[ 22]))<< 4; 87 /* 1 - stage 2 */ pcm_b +=(MUL_16S_16S(1917, buffer[ 22]))<< 2; 88 /* 1 - stage 2 */ pcm_a +=(MUL_16S_16S(9161, buffer[ 26]))>> 3; 89 /* 1 - stage 2 */ pcm_b +=(MUL_16S_16S(-30605, buffer[ 26]))>> 1; 90 /* 1 - stage 2 */ pcm_a +=(MUL_16S_16S(-23063, buffer[ 38]))<< 1; 91 /* 1 - stage 2 */ pcm_b +=(MUL_16S_16S(8317, buffer[ 38]))<< 3; 92 /* 1 - stage 2 */ pcm_a +=(MUL_16S_16S(27561, buffer[ 42]))<< 1; 93 /* 1 - stage 2 */ pcm_b +=(MUL_16S_16S(9553, buffer[ 42]))<< 2; 94 /* 1 - stage 2 */ pcm_a +=(MUL_16S_16S(2309, buffer[ 54]))<< 3; 95 /* 1 - stage 2 */ pcm_b +=(MUL_16S_16S(22117, buffer[ 54]))>> 4; 96 /* 1 - stage 2 */ pcm_a +=(MUL_16S_16S(12705, buffer[ 58]))>> 1; 97 /* 1 - stage 2 */ pcm_b +=(MUL_16S_16S(16383, buffer[ 58]))>> 2; 98 /* 1 - stage 2 */ pcm_a +=(MUL_16S_16S(6239, buffer[ 70]))>> 3; 99 /* 1 - stage 2 */ pcm_b +=(MUL_16S_16S(7543, buffer[ 70]))>> 3; 100 /* 1 - stage 2 */ pcm_a +=(MUL_16S_16S(9251, buffer[ 74]))>> 4; 101 /* 1 - stage 2 */ pcm_b +=(MUL_16S_16S(8603, buffer[ 74]))>> 6; 102 /* 1 - stage 2 */ pcm_a /= 32768; CLIP_INT16(pcm_a); pcm[2<<strideShift] = (OI_INT16)pcm_a; 103 /* 1 - stage 2 */ pcm_b /= 32768; CLIP_INT16(pcm_b); pcm[6<<strideShift] = (OI_INT16)pcm_b; 104 /* 1 - stage 3 */ pcm_a = 0; 105 /* 1 - stage 3 */ pcm_b = 0; 106 /* 1 - stage 3 */ pcm_a +=(MUL_16S_16S(-16457, buffer[ 7]))>> 6; 107 /* 1 - stage 3 */ pcm_b +=(MUL_16S_16S(16913, buffer[ 7]))>> 5; 108 /* 1 - stage 3 */ pcm_a +=(MUL_16S_16S(19083, buffer[ 9]))>> 5; 109 /* 1 - stage 3 */ pcm_b +=(MUL_16S_16S(-8443, buffer[ 9]))>> 7; 110 /* 1 - stage 3 */ pcm_a +=(MUL_16S_16S(-23641, buffer[ 23]))>> 2; 111 /* 1 - stage 3 */ pcm_b +=(MUL_16S_16S(3687, buffer[ 23]))<< 1; 112 /* 1 - stage 3 */ pcm_a +=(MUL_16S_16S(-29015, buffer[ 25]))>> 4; 113 /* 1 - stage 3 */ pcm_b +=(MUL_16S_16S(-301, buffer[ 25]))<< 5; 114 /* 1 - stage 3 */ pcm_a +=(MUL_16S_16S(-12889, buffer[ 39]))<< 2; 115 /* 1 - stage 3 */ pcm_b +=(MUL_16S_16S(15447, buffer[ 39]))<< 2; 116 /* 1 - stage 3 */ pcm_a +=(MUL_16S_16S(6145, buffer[ 41]))<< 3; 117 /* 1 - stage 3 */ pcm_b +=(MUL_16S_16S(10255, buffer[ 41]))<< 2; 118 /* 1 - stage 3 */ pcm_a +=(MUL_16S_16S(24211, buffer[ 55]))>> 1; 119 /* 1 - stage 3 */ pcm_b +=(MUL_16S_16S(-18233, buffer[ 55]))>> 3; 120 /* 1 - stage 3 */ pcm_a +=(MUL_16S_16S(23469, buffer[ 57]))>> 2; 121 /* 1 - stage 3 */ pcm_b +=(MUL_16S_16S(9405, buffer[ 57]))>> 1; 122 /* 1 - stage 3 */ pcm_a +=(MUL_16S_16S(21223, buffer[ 71]))>> 8; 123 /* 1 - stage 3 */ pcm_b +=(MUL_16S_16S(1499, buffer[ 71]))>> 1; 124 /* 1 - stage 3 */ pcm_a +=(MUL_16S_16S(26913, buffer[ 73]))>> 6; 125 /* 1 - stage 3 */ pcm_b +=(MUL_16S_16S(26189, buffer[ 73]))>> 7; 126 /* 1 - stage 3 */ pcm_a /= 32768; CLIP_INT16(pcm_a); pcm[3<<strideShift] = (OI_INT16)pcm_a; 127 /* 1 - stage 3 */ pcm_b /= 32768; CLIP_INT16(pcm_b); pcm[5<<strideShift] = (OI_INT16)pcm_b; 128 /* 1 - stage 4 */ pcm_a = 0; 129 /* 1 - stage 4 */ pcm_a +=(MUL_16S_16S(10445, buffer[ 8]))>> 4; 130 /* 1 - stage 4 */ pcm_a +=(MUL_16S_16S(-5297, buffer[ 24]))<< 1; 131 /* 1 - stage 4 */ pcm_a +=(MUL_16S_16S(22299, buffer[ 40]))<< 2; 132 /* 1 - stage 4 */ pcm_a +=(MUL_16S_16S(10603, buffer[ 56])); 133 /* 1 - stage 4 */ pcm_a +=(MUL_16S_16S(9539, buffer[ 72]))>> 4; 134 /* 1 - stage 4 */ pcm_a /= 32768; CLIP_INT16(pcm_a); pcm[4<<strideShift] = (OI_INT16)pcm_a; 135 } 136
