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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef StereoPannerNode_h | 5 #ifndef StereoPannerNode_h |
| 6 #define StereoPannerNode_h | 6 #define StereoPannerNode_h |
| 7 | 7 |
| 8 #include "base/gtest_prod_util.h" | 8 #include "base/gtest_prod_util.h" |
| 9 #include "modules/webaudio/AudioNode.h" | 9 #include "modules/webaudio/AudioNode.h" |
| 10 #include "modules/webaudio/AudioParam.h" | 10 #include "modules/webaudio/AudioParam.h" |
| 11 #include "platform/audio/AudioBus.h" | 11 #include "platform/audio/AudioBus.h" |
| 12 #include "platform/audio/StereoPanner.h" | 12 #include "platform/audio/StereoPanner.h" |
| 13 #include <memory> | 13 #include <memory> |
| 14 | 14 |
| 15 namespace blink { | 15 namespace blink { |
| 16 | 16 |
| 17 class BaseAudioContext; | 17 class BaseAudioContext; |
| 18 class StereoPannerOptions; | 18 class StereoPannerOptions; |
| 19 | 19 |
| 20 // StereoPannerNode is an AudioNode with one input and one output. It is | 20 // StereoPannerNode is an AudioNode with one input and one output. It is |
| 21 // specifically designed for equal-power stereo panning. | 21 // specifically designed for equal-power stereo panning. |
| 22 class StereoPannerHandler final : public AudioHandler { | 22 class StereoPannerHandler final : public AudioHandler { |
| 23 public: | 23 public: |
| 24 static PassRefPtr<StereoPannerHandler> create(AudioNode&, | 24 static PassRefPtr<StereoPannerHandler> create(AudioNode&, |
| 25 float sampleRate, | 25 float sampleRate, |
| 26 AudioParamHandler& pan); | 26 AudioParamHandler& pan); |
| 27 ~StereoPannerHandler() override; | 27 ~StereoPannerHandler() override; |
| 28 | 28 |
| 29 void process(size_t framesToProcess) override; | 29 void process(size_t framesToProcess) override; |
| 30 void processOnlyAudioParams(size_t framesToProcess) override; |
| 30 void initialize() override; | 31 void initialize() override; |
| 31 | 32 |
| 32 void setChannelCount(unsigned long, ExceptionState&) final; | 33 void setChannelCount(unsigned long, ExceptionState&) final; |
| 33 void setChannelCountMode(const String&, ExceptionState&) final; | 34 void setChannelCountMode(const String&, ExceptionState&) final; |
| 34 | 35 |
| 35 private: | 36 private: |
| 36 StereoPannerHandler(AudioNode&, float sampleRate, AudioParamHandler& pan); | 37 StereoPannerHandler(AudioNode&, float sampleRate, AudioParamHandler& pan); |
| 37 | 38 |
| 38 std::unique_ptr<StereoPanner> m_stereoPanner; | 39 std::unique_ptr<StereoPanner> m_stereoPanner; |
| 39 RefPtr<AudioParamHandler> m_pan; | 40 RefPtr<AudioParamHandler> m_pan; |
| (...skipping 17 matching lines...) Expand all Loading... |
| 57 | 58 |
| 58 private: | 59 private: |
| 59 StereoPannerNode(BaseAudioContext&); | 60 StereoPannerNode(BaseAudioContext&); |
| 60 | 61 |
| 61 Member<AudioParam> m_pan; | 62 Member<AudioParam> m_pan; |
| 62 }; | 63 }; |
| 63 | 64 |
| 64 } // namespace blink | 65 } // namespace blink |
| 65 | 66 |
| 66 #endif // StereoPannerNode_h | 67 #endif // StereoPannerNode_h |
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