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| 1 /* | 1 /* |
| 2 * Copyright (C) 2010, Google Inc. All rights reserved. | 2 * Copyright (C) 2010, Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
| 8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
| 10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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| 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 23 */ | 23 */ |
| 24 | 24 |
| 25 #include "config.h" | 25 #include "config.h" |
| 26 | 26 |
| 27 #if ENABLE(WEB_AUDIO) | 27 #if ENABLE(WEB_AUDIO) |
| 28 | 28 |
| 29 #include "platform/audio/VectorMath.h" | 29 #include "platform/audio/VectorMath.h" |
| 30 #include "wtf/Assertions.h" | 30 #include "wtf/Assertions.h" |
| 31 #include "wtf/CPU.h" | 31 #include "wtf/CPU.h" |
| 32 #include "wtf/MathExtras.h" |
| 32 #include <stdint.h> | 33 #include <stdint.h> |
| 33 | 34 |
| 34 #if OS(MACOSX) | 35 #if OS(MACOSX) |
| 35 #include <Accelerate/Accelerate.h> | 36 #include <Accelerate/Accelerate.h> |
| 36 #endif | 37 #endif |
| 37 | 38 |
| 38 #if CPU(X86) || CPU(X86_64) | 39 #if CPU(X86) || CPU(X86_64) |
| 39 #include <emmintrin.h> | 40 #include <emmintrin.h> |
| 40 #endif | 41 #endif |
| 41 | 42 |
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| 668 while (destP < endP) { | 669 while (destP < endP) { |
| 669 float32x4_t source = vld1q_f32(sourceP); | 670 float32x4_t source = vld1q_f32(sourceP); |
| 670 vst1q_f32(destP, vmaxq_f32(vminq_f32(source, high), low)); | 671 vst1q_f32(destP, vmaxq_f32(vminq_f32(source, high), low)); |
| 671 sourceP += 4; | 672 sourceP += 4; |
| 672 destP += 4; | 673 destP += 4; |
| 673 } | 674 } |
| 674 n = tailFrames; | 675 n = tailFrames; |
| 675 } | 676 } |
| 676 #endif | 677 #endif |
| 677 while (n--) { | 678 while (n--) { |
| 678 *destP = std::max(std::min(*sourceP, highThreshold), lowThreshold); | 679 *destP = clampTo(*sourceP, lowThreshold, highThreshold); |
| 679 sourceP += sourceStride; | 680 sourceP += sourceStride; |
| 680 destP += destStride; | 681 destP += destStride; |
| 681 } | 682 } |
| 682 } | 683 } |
| 683 | 684 |
| 684 #endif // OS(MACOSX) | 685 #endif // OS(MACOSX) |
| 685 | 686 |
| 686 } // namespace VectorMath | 687 } // namespace VectorMath |
| 687 | 688 |
| 688 } // namespace blink | 689 } // namespace blink |
| 689 | 690 |
| 690 #endif // ENABLE(WEB_AUDIO) | 691 #endif // ENABLE(WEB_AUDIO) |
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