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1 /* | 1 /* |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_HIGH_PASS_FILTER_IMPL_H_ | 11 #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_HIGH_PASS_FILTER_IMPL_H_ |
12 #define WEBRTC_MODULES_AUDIO_PROCESSING_HIGH_PASS_FILTER_IMPL_H_ | 12 #define WEBRTC_MODULES_AUDIO_PROCESSING_HIGH_PASS_FILTER_IMPL_H_ |
13 | 13 |
14 #include "webrtc/base/constructormagic.h" | 14 #include "webrtc/base/constructormagic.h" |
15 #include "webrtc/base/criticalsection.h" | 15 #include "webrtc/base/criticalsection.h" |
16 #include "webrtc/base/scoped_ptr.h" | 16 #include "webrtc/base/scoped_ptr.h" |
17 #include "webrtc/modules/audio_processing/include/audio_processing.h" | 17 #include "webrtc/modules/audio_processing/include/audio_processing.h" |
18 | 18 |
19 namespace webrtc { | 19 namespace webrtc { |
20 | 20 |
21 class AudioBuffer; | 21 class AudioBuffer; |
22 | 22 |
23 class HighPassFilterImpl : public HighPassFilter { | 23 class HighPassFilterImpl : public HighPassFilter { |
24 public: | 24 public: |
25 explicit HighPassFilterImpl(rtc::CriticalSection* crit); | 25 explicit HighPassFilterImpl(rtc::CriticalSection* crit); |
26 ~HighPassFilterImpl() override; | 26 ~HighPassFilterImpl() override; |
27 | 27 |
28 // TODO(peah): Fold into ctor, once public API is removed. | 28 // TODO(peah): Fold into ctor, once public API is removed. |
29 void Initialize(int channels, int sample_rate_hz); | 29 void Initialize(size_t channels, int sample_rate_hz); |
30 void ProcessCaptureAudio(AudioBuffer* audio); | 30 void ProcessCaptureAudio(AudioBuffer* audio); |
31 | 31 |
32 // HighPassFilter implementation. | 32 // HighPassFilter implementation. |
33 int Enable(bool enable) override; | 33 int Enable(bool enable) override; |
34 bool is_enabled() const override; | 34 bool is_enabled() const override; |
35 | 35 |
36 private: | 36 private: |
37 class BiquadFilter; | 37 class BiquadFilter; |
38 rtc::CriticalSection* const crit_ = nullptr; | 38 rtc::CriticalSection* const crit_ = nullptr; |
39 bool enabled_ GUARDED_BY(crit_) = false; | 39 bool enabled_ GUARDED_BY(crit_) = false; |
40 std::vector<rtc::scoped_ptr<BiquadFilter>> filters_ GUARDED_BY(crit_); | 40 std::vector<rtc::scoped_ptr<BiquadFilter>> filters_ GUARDED_BY(crit_); |
41 RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(HighPassFilterImpl); | 41 RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(HighPassFilterImpl); |
42 }; | 42 }; |
43 } // namespace webrtc | 43 } // namespace webrtc |
44 | 44 |
45 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_HIGH_PASS_FILTER_IMPL_H_ | 45 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_HIGH_PASS_FILTER_IMPL_H_ |
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