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| 1 /* | 1 /* |
| 2 * Copyright (C) 2011 Google Inc. All rights reserved. | 2 * Copyright (C) 2011 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 * | 7 * |
| 8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
| (...skipping 10 matching lines...) Expand all Loading... |
| 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 */ | 27 */ |
| 28 | 28 |
| 29 #include "platform/audio/SincResampler.h" | 29 #include "platform/audio/SincResampler.h" |
| 30 #include "platform/audio/AudioBus.h" | 30 #include "platform/audio/AudioBus.h" |
| 31 #include "wtf/CPU.h" | 31 #include "platform/wtf/CPU.h" |
| 32 #include "wtf/MathExtras.h" | 32 #include "platform/wtf/MathExtras.h" |
| 33 | 33 |
| 34 #if CPU(X86) || CPU(X86_64) | 34 #if CPU(X86) || CPU(X86_64) |
| 35 #include <emmintrin.h> | 35 #include <emmintrin.h> |
| 36 #endif | 36 #endif |
| 37 | 37 |
| 38 // Input buffer layout, dividing the total buffer into regions (r0 - r5): | 38 // Input buffer layout, dividing the total buffer into regions (r0 - r5): |
| 39 // | 39 // |
| 40 // |----------------|-----------------------------------------|----------------| | 40 // |----------------|-----------------------------------------|----------------| |
| 41 // | 41 // |
| 42 // blockSize + kernelSize / 2 | 42 // blockSize + kernelSize / 2 |
| (...skipping 431 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 474 memcpy(r1, r3, sizeof(float) * (m_kernelSize / 2)); | 474 memcpy(r1, r3, sizeof(float) * (m_kernelSize / 2)); |
| 475 memcpy(r2, r4, sizeof(float) * (m_kernelSize / 2)); | 475 memcpy(r2, r4, sizeof(float) * (m_kernelSize / 2)); |
| 476 | 476 |
| 477 // Step (4) | 477 // Step (4) |
| 478 // Refresh the buffer with more input. | 478 // Refresh the buffer with more input. |
| 479 consumeSource(r5, m_blockSize); | 479 consumeSource(r5, m_blockSize); |
| 480 } | 480 } |
| 481 } | 481 } |
| 482 | 482 |
| 483 } // namespace blink | 483 } // namespace blink |
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