The Tor Browser / file comparison
comparison: content/media/AudioNodeEngineNEON.cpp
content/media/AudioNodeEngineNEON.cpp
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- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:11b2a47e9d11 |
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| 1 /* -*- mode: c++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* this source code form is subject to the terms of the mozilla public | |
| 3 * license, v. 2.0. if a copy of the mpl was not distributed with this file, | |
| 4 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "AudioNodeEngineNEON.h" | |
| 7 #include <arm_neon.h> | |
| 8 | |
| 9 //#ifdef DEBUG | |
| 10 #if 0 // see bug 921099 | |
| 11 #define ASSERT_ALIGNED(ptr) \ | |
| 12 MOZ_ASSERT((((uintptr_t)ptr + 15) & ~0x0F) == (uintptr_t)ptr, \ | |
| 13 #ptr " has to be aligned 16-bytes aligned."); | |
| 14 #else | |
| 15 #define ASSERT_ALIGNED(ptr) | |
| 16 #endif | |
| 17 | |
| 18 #define ADDRESS_OF(array, index) ((float32_t*)&array[index]) | |
| 19 | |
| 20 namespace mozilla { | |
| 21 void AudioBufferAddWithScale_NEON(const float* aInput, | |
| 22 float aScale, | |
| 23 float* aOutput, | |
| 24 uint32_t aSize) | |
| 25 { | |
| 26 ASSERT_ALIGNED(aInput); | |
| 27 ASSERT_ALIGNED(aOutput); | |
| 28 | |
| 29 float32x4_t vin0, vin1, vin2, vin3; | |
| 30 float32x4_t vout0, vout1, vout2, vout3; | |
| 31 float32x4_t vscale = vmovq_n_f32(aScale); | |
| 32 | |
| 33 uint32_t dif = aSize % 16; | |
| 34 aSize -= dif; | |
| 35 unsigned i = 0; | |
| 36 for (; i < aSize; i+=16) { | |
| 37 vin0 = vld1q_f32(ADDRESS_OF(aInput, i)); | |
| 38 vin1 = vld1q_f32(ADDRESS_OF(aInput, i+4)); | |
| 39 vin2 = vld1q_f32(ADDRESS_OF(aInput, i+8)); | |
| 40 vin3 = vld1q_f32(ADDRESS_OF(aInput, i+12)); | |
| 41 | |
| 42 vout0 = vld1q_f32(ADDRESS_OF(aOutput, i)); | |
| 43 vout1 = vld1q_f32(ADDRESS_OF(aOutput, i+4)); | |
| 44 vout2 = vld1q_f32(ADDRESS_OF(aOutput, i+8)); | |
| 45 vout3 = vld1q_f32(ADDRESS_OF(aOutput, i+12)); | |
| 46 | |
| 47 vout0 = vmlaq_f32(vout0, vin0, vscale); | |
| 48 vout1 = vmlaq_f32(vout1, vin1, vscale); | |
| 49 vout2 = vmlaq_f32(vout2, vin2, vscale); | |
| 50 vout3 = vmlaq_f32(vout3, vin3, vscale); | |
| 51 | |
| 52 vst1q_f32(ADDRESS_OF(aOutput, i), vout0); | |
| 53 vst1q_f32(ADDRESS_OF(aOutput, i+4), vout1); | |
| 54 vst1q_f32(ADDRESS_OF(aOutput, i+8), vout2); | |
| 55 vst1q_f32(ADDRESS_OF(aOutput, i+12), vout3); | |
| 56 } | |
| 57 | |
| 58 for (unsigned j = 0; j < dif; ++i, ++j) { | |
| 59 aOutput[i] += aInput[i]*aScale; | |
| 60 } | |
| 61 } | |
| 62 void | |
| 63 AudioBlockCopyChannelWithScale_NEON(const float* aInput, | |
| 64 float aScale, | |
| 65 float* aOutput) | |
| 66 { | |
| 67 ASSERT_ALIGNED(aInput); | |
| 68 ASSERT_ALIGNED(aOutput); | |
| 69 | |
| 70 float32x4_t vin0, vin1, vin2, vin3; | |
| 71 float32x4_t vout0, vout1, vout2, vout3; | |
| 72 float32x4_t vscale = vmovq_n_f32(aScale); | |
| 73 | |
| 74 for (uint32_t i = 0; i < WEBAUDIO_BLOCK_SIZE; i+=16) { | |
| 75 vin0 = vld1q_f32(ADDRESS_OF(aInput, i)); | |
| 76 vin1 = vld1q_f32(ADDRESS_OF(aInput, i+4)); | |
| 77 vin2 = vld1q_f32(ADDRESS_OF(aInput, i+8)); | |
| 78 vin3 = vld1q_f32(ADDRESS_OF(aInput, i+12)); | |
| 79 | |
| 80 vout0 = vmulq_f32(vin0, vscale); | |
| 81 vout1 = vmulq_f32(vin1, vscale); | |
| 82 vout2 = vmulq_f32(vin2, vscale); | |
| 83 vout3 = vmulq_f32(vin3, vscale); | |
| 84 | |
| 85 vst1q_f32(ADDRESS_OF(aOutput, i), vout0); | |
| 86 vst1q_f32(ADDRESS_OF(aOutput, i+4), vout1); | |
| 87 vst1q_f32(ADDRESS_OF(aOutput, i+8), vout2); | |
| 88 vst1q_f32(ADDRESS_OF(aOutput, i+12), vout3); | |
| 89 } | |
| 90 } | |
| 91 | |
| 92 void | |
| 93 AudioBlockCopyChannelWithScale_NEON(const float aInput[WEBAUDIO_BLOCK_SIZE], | |
| 94 const float aScale[WEBAUDIO_BLOCK_SIZE], | |
| 95 float aOutput[WEBAUDIO_BLOCK_SIZE]) | |
| 96 { | |
| 97 ASSERT_ALIGNED(aInput); | |
| 98 ASSERT_ALIGNED(aScale); | |
| 99 ASSERT_ALIGNED(aOutput); | |
| 100 | |
| 101 float32x4_t vin0, vin1, vin2, vin3; | |
| 102 float32x4_t vout0, vout1, vout2, vout3; | |
| 103 float32x4_t vscale0, vscale1, vscale2, vscale3; | |
| 104 | |
| 105 for (uint32_t i = 0; i < WEBAUDIO_BLOCK_SIZE; i+=16) { | |
| 106 vin0 = vld1q_f32(ADDRESS_OF(aInput, i)); | |
| 107 vin1 = vld1q_f32(ADDRESS_OF(aInput, i+4)); | |
| 108 vin2 = vld1q_f32(ADDRESS_OF(aInput, i+8)); | |
| 109 vin3 = vld1q_f32(ADDRESS_OF(aInput, i+12)); | |
| 110 | |
| 111 vscale0 = vld1q_f32(ADDRESS_OF(aScale, i)); | |
| 112 vscale1 = vld1q_f32(ADDRESS_OF(aScale, i+4)); | |
| 113 vscale2 = vld1q_f32(ADDRESS_OF(aScale, i+8)); | |
| 114 vscale3 = vld1q_f32(ADDRESS_OF(aScale, i+12)); | |
| 115 | |
| 116 vout0 = vmulq_f32(vin0, vscale0); | |
| 117 vout1 = vmulq_f32(vin1, vscale1); | |
| 118 vout2 = vmulq_f32(vin2, vscale2); | |
| 119 vout3 = vmulq_f32(vin3, vscale3); | |
| 120 | |
| 121 vst1q_f32(ADDRESS_OF(aOutput, i), vout0); | |
| 122 vst1q_f32(ADDRESS_OF(aOutput, i+4), vout1); | |
| 123 vst1q_f32(ADDRESS_OF(aOutput, i+8), vout2); | |
| 124 vst1q_f32(ADDRESS_OF(aOutput, i+12), vout3); | |
| 125 } | |
| 126 } | |
| 127 | |
| 128 void | |
| 129 AudioBufferInPlaceScale_NEON(float* aBlock, | |
| 130 float aScale, | |
| 131 uint32_t aSize) | |
| 132 { | |
| 133 ASSERT_ALIGNED(aBlock); | |
| 134 | |
| 135 float32x4_t vin0, vin1, vin2, vin3; | |
| 136 float32x4_t vout0, vout1, vout2, vout3; | |
| 137 float32x4_t vscale = vmovq_n_f32(aScale); | |
| 138 | |
| 139 uint32_t dif = aSize % 16; | |
| 140 uint32_t vectorSize = aSize - dif; | |
| 141 uint32_t i = 0; | |
| 142 for (; i < vectorSize; i+=16) { | |
| 143 vin0 = vld1q_f32(ADDRESS_OF(aBlock, i)); | |
| 144 vin1 = vld1q_f32(ADDRESS_OF(aBlock, i+4)); | |
| 145 vin2 = vld1q_f32(ADDRESS_OF(aBlock, i+8)); | |
| 146 vin3 = vld1q_f32(ADDRESS_OF(aBlock, i+12)); | |
| 147 | |
| 148 vout0 = vmulq_f32(vin0, vscale); | |
| 149 vout1 = vmulq_f32(vin1, vscale); | |
| 150 vout2 = vmulq_f32(vin2, vscale); | |
| 151 vout3 = vmulq_f32(vin3, vscale); | |
| 152 | |
| 153 vst1q_f32(ADDRESS_OF(aBlock, i), vout0); | |
| 154 vst1q_f32(ADDRESS_OF(aBlock, i+4), vout1); | |
| 155 vst1q_f32(ADDRESS_OF(aBlock, i+8), vout2); | |
| 156 vst1q_f32(ADDRESS_OF(aBlock, i+12), vout3); | |
| 157 } | |
| 158 | |
| 159 for (unsigned j = 0; j < dif; ++i, ++j) { | |
| 160 aBlock[i] *= aScale; | |
| 161 } | |
| 162 } | |
| 163 | |
| 164 void | |
| 165 AudioBlockPanStereoToStereo_NEON(const float aInputL[WEBAUDIO_BLOCK_SIZE], | |
| 166 const float aInputR[WEBAUDIO_BLOCK_SIZE], | |
| 167 float aGainL, float aGainR, bool aIsOnTheLeft, | |
| 168 float aOutputL[WEBAUDIO_BLOCK_SIZE], | |
| 169 float aOutputR[WEBAUDIO_BLOCK_SIZE]) | |
| 170 { | |
| 171 ASSERT_ALIGNED(aInputL); | |
| 172 ASSERT_ALIGNED(aInputR); | |
| 173 ASSERT_ALIGNED(aOutputL); | |
| 174 ASSERT_ALIGNED(aOutputR); | |
| 175 | |
| 176 float32x4_t vinL0, vinL1; | |
| 177 float32x4_t vinR0, vinR1; | |
| 178 float32x4_t voutL0, voutL1; | |
| 179 float32x4_t voutR0, voutR1; | |
| 180 float32x4_t vscaleL = vmovq_n_f32(aGainL); | |
| 181 float32x4_t vscaleR = vmovq_n_f32(aGainR); | |
| 182 | |
| 183 if (aIsOnTheLeft) { | |
| 184 for (uint32_t i = 0; i < WEBAUDIO_BLOCK_SIZE; i+=8) { | |
| 185 vinL0 = vld1q_f32(ADDRESS_OF(aInputL, i)); | |
| 186 vinL1 = vld1q_f32(ADDRESS_OF(aInputL, i+4)); | |
| 187 | |
| 188 vinR0 = vld1q_f32(ADDRESS_OF(aInputR, i)); | |
| 189 vinR1 = vld1q_f32(ADDRESS_OF(aInputR, i+4)); | |
| 190 | |
| 191 voutL0 = vmlaq_f32(vinL0, vinR0, vscaleL); | |
| 192 voutL1 = vmlaq_f32(vinL1, vinR1, vscaleL); | |
| 193 | |
| 194 vst1q_f32(ADDRESS_OF(aOutputL, i), voutL0); | |
| 195 vst1q_f32(ADDRESS_OF(aOutputL, i+4), voutL1); | |
| 196 | |
| 197 voutR0 = vmulq_f32(vinR0, vscaleR); | |
| 198 voutR1 = vmulq_f32(vinR1, vscaleR); | |
| 199 | |
| 200 vst1q_f32(ADDRESS_OF(aOutputR, i), voutR0); | |
| 201 vst1q_f32(ADDRESS_OF(aOutputR, i+4), voutR1); | |
| 202 } | |
| 203 } else { | |
| 204 for (uint32_t i = 0; i < WEBAUDIO_BLOCK_SIZE; i+=8) { | |
| 205 vinL0 = vld1q_f32(ADDRESS_OF(aInputL, i)); | |
| 206 vinL1 = vld1q_f32(ADDRESS_OF(aInputL, i+4)); | |
| 207 | |
| 208 vinR0 = vld1q_f32(ADDRESS_OF(aInputR, i)); | |
| 209 vinR1 = vld1q_f32(ADDRESS_OF(aInputR, i+4)); | |
| 210 | |
| 211 voutL0 = vmulq_f32(vinL0, vscaleL); | |
| 212 voutL1 = vmulq_f32(vinL1, vscaleL); | |
| 213 | |
| 214 vst1q_f32(ADDRESS_OF(aOutputL, i), voutL0); | |
| 215 vst1q_f32(ADDRESS_OF(aOutputL, i+4), voutL1); | |
| 216 | |
| 217 voutR0 = vmlaq_f32(vinR0, vinL0, vscaleR); | |
| 218 voutR1 = vmlaq_f32(vinR1, vinL1, vscaleR); | |
| 219 | |
| 220 vst1q_f32(ADDRESS_OF(aOutputR, i), voutR0); | |
| 221 vst1q_f32(ADDRESS_OF(aOutputR, i+4), voutR1); | |
| 222 } | |
| 223 } | |
| 224 } | |
| 225 } |
