| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 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 are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * 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 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
| (...skipping 15 matching lines...) Expand all Loading... |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 */ | 29 */ |
| 30 | 30 |
| 31 #ifndef DownSampler_h | 31 #ifndef DownSampler_h |
| 32 #define DownSampler_h | 32 #define DownSampler_h |
| 33 | 33 |
| 34 #include "platform/audio/AudioArray.h" | 34 #include "platform/audio/AudioArray.h" |
| 35 #include "platform/audio/DirectConvolver.h" | 35 #include "platform/audio/DirectConvolver.h" |
| 36 #include "wtf/Allocator.h" | 36 #include "platform/wtf/Allocator.h" |
| 37 #include "wtf/Noncopyable.h" | 37 #include "platform/wtf/Noncopyable.h" |
| 38 | 38 |
| 39 namespace blink { | 39 namespace blink { |
| 40 | 40 |
| 41 // DownSampler down-samples the source stream by a factor of 2x. | 41 // DownSampler down-samples the source stream by a factor of 2x. |
| 42 | 42 |
| 43 class PLATFORM_EXPORT DownSampler { | 43 class PLATFORM_EXPORT DownSampler { |
| 44 USING_FAST_MALLOC(DownSampler); | 44 USING_FAST_MALLOC(DownSampler); |
| 45 WTF_MAKE_NONCOPYABLE(DownSampler); | 45 WTF_MAKE_NONCOPYABLE(DownSampler); |
| 46 | 46 |
| 47 public: | 47 public: |
| (...skipping 25 matching lines...) Expand all Loading... |
| 73 AudioFloatArray m_tempBuffer; | 73 AudioFloatArray m_tempBuffer; |
| 74 | 74 |
| 75 // Used as delay-line (FIR filter history) for the input samples to account | 75 // Used as delay-line (FIR filter history) for the input samples to account |
| 76 // for the 0.5 term right in the middle of the kernel. | 76 // for the 0.5 term right in the middle of the kernel. |
| 77 AudioFloatArray m_inputBuffer; | 77 AudioFloatArray m_inputBuffer; |
| 78 }; | 78 }; |
| 79 | 79 |
| 80 } // namespace blink | 80 } // namespace blink |
| 81 | 81 |
| 82 #endif // DownSampler_h | 82 #endif // DownSampler_h |
| OLD | NEW |