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1 /* | 1 /* |
2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2015 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 |
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67 // Revert any setting done by Init(). | 67 // Revert any setting done by Init(). |
68 bool Close(); | 68 bool Close(); |
69 | 69 |
70 // Returns true if current audio mode is AudioManager.MODE_IN_COMMUNICATION. | 70 // Returns true if current audio mode is AudioManager.MODE_IN_COMMUNICATION. |
71 bool IsCommunicationModeEnabled() const; | 71 bool IsCommunicationModeEnabled() const; |
72 | 72 |
73 // Native audio parameters stored during construction. | 73 // Native audio parameters stored during construction. |
74 const AudioParameters& GetPlayoutAudioParameters(); | 74 const AudioParameters& GetPlayoutAudioParameters(); |
75 const AudioParameters& GetRecordAudioParameters(); | 75 const AudioParameters& GetRecordAudioParameters(); |
76 | 76 |
77 // Returns true if the device supports a built-in Acoustic Echo Canceler. | 77 // Returns true if the device supports built-in audio effects for AEC, AGC |
78 // Some devices can also be blacklisted for use in combination with an AEC | 78 // and NS. Some devices can also be blacklisted for use in combination with |
79 // and these devices will return false. | 79 // platform effects and these devices will return false. |
80 // Can currently only be used in combination with a Java based audio backend | 80 // Can currently only be used in combination with a Java based audio backend |
81 // for the recoring side (i.e. using the android.media.AudioRecord API). | 81 // for the recoring side (i.e. using the android.media.AudioRecord API). |
82 bool IsAcousticEchoCancelerSupported() const; | 82 bool IsAcousticEchoCancelerSupported() const; |
| 83 bool IsAutomaticGainControlSupported() const; |
| 84 bool IsNoiseSuppressorSupported() const; |
83 | 85 |
84 // Returns true if the device supports the low-latency audio paths in | 86 // Returns true if the device supports the low-latency audio paths in |
85 // combination with OpenSL ES. | 87 // combination with OpenSL ES. |
86 bool IsLowLatencyPlayoutSupported() const; | 88 bool IsLowLatencyPlayoutSupported() const; |
87 | 89 |
88 // Returns the estimated total delay of this device. Unit is in milliseconds. | 90 // Returns the estimated total delay of this device. Unit is in milliseconds. |
89 // The vaule is set once at construction and never changes after that. | 91 // The vaule is set once at construction and never changes after that. |
90 // Possible values are webrtc::kLowLatencyModeDelayEstimateInMilliseconds and | 92 // Possible values are webrtc::kLowLatencyModeDelayEstimateInMilliseconds and |
91 // webrtc::kHighLatencyModeDelayEstimateInMilliseconds. | 93 // webrtc::kHighLatencyModeDelayEstimateInMilliseconds. |
92 int GetDelayEstimateInMilliseconds() const; | 94 int GetDelayEstimateInMilliseconds() const; |
93 | 95 |
94 private: | 96 private: |
95 // Called from Java side so we can cache the native audio parameters. | 97 // Called from Java side so we can cache the native audio parameters. |
96 // This method will be called by the WebRtcAudioManager constructor, i.e. | 98 // This method will be called by the WebRtcAudioManager constructor, i.e. |
97 // on the same thread that this object is created on. | 99 // on the same thread that this object is created on. |
98 static void JNICALL CacheAudioParameters(JNIEnv* env, | 100 static void JNICALL CacheAudioParameters(JNIEnv* env, |
99 jobject obj, | 101 jobject obj, |
100 jint sample_rate, | 102 jint sample_rate, |
101 jint channels, | 103 jint channels, |
102 jboolean hardware_aec, | 104 jboolean hardware_aec, |
| 105 jboolean hardware_agc, |
| 106 jboolean hardware_ns, |
103 jboolean low_latency_output, | 107 jboolean low_latency_output, |
104 jint output_buffer_size, | 108 jint output_buffer_size, |
105 jint input_buffer_size, | 109 jint input_buffer_size, |
106 jlong native_audio_manager); | 110 jlong native_audio_manager); |
107 void OnCacheAudioParameters(JNIEnv* env, | 111 void OnCacheAudioParameters(JNIEnv* env, |
108 jint sample_rate, | 112 jint sample_rate, |
109 jint channels, | 113 jint channels, |
110 jboolean hardware_aec, | 114 jboolean hardware_aec, |
| 115 jboolean hardware_agc, |
| 116 jboolean hardware_ns, |
111 jboolean low_latency_output, | 117 jboolean low_latency_output, |
112 jint output_buffer_size, | 118 jint output_buffer_size, |
113 jint input_buffer_size); | 119 jint input_buffer_size); |
114 | 120 |
115 // Stores thread ID in the constructor. | 121 // Stores thread ID in the constructor. |
116 // We can then use ThreadChecker::CalledOnValidThread() to ensure that | 122 // We can then use ThreadChecker::CalledOnValidThread() to ensure that |
117 // other methods are called from the same thread. | 123 // other methods are called from the same thread. |
118 rtc::ThreadChecker thread_checker_; | 124 rtc::ThreadChecker thread_checker_; |
119 | 125 |
120 // Calls AttachCurrentThread() if this thread is not attached at construction. | 126 // Calls AttachCurrentThread() if this thread is not attached at construction. |
121 // Also ensures that DetachCurrentThread() is called at destruction. | 127 // Also ensures that DetachCurrentThread() is called at destruction. |
122 AttachCurrentThreadIfNeeded attach_thread_if_needed_; | 128 AttachCurrentThreadIfNeeded attach_thread_if_needed_; |
123 | 129 |
124 // Wraps the JNI interface pointer and methods associated with it. | 130 // Wraps the JNI interface pointer and methods associated with it. |
125 rtc::scoped_ptr<JNIEnvironment> j_environment_; | 131 rtc::scoped_ptr<JNIEnvironment> j_environment_; |
126 | 132 |
127 // Contains factory method for creating the Java object. | 133 // Contains factory method for creating the Java object. |
128 rtc::scoped_ptr<NativeRegistration> j_native_registration_; | 134 rtc::scoped_ptr<NativeRegistration> j_native_registration_; |
129 | 135 |
130 // Wraps the Java specific parts of the AudioManager. | 136 // Wraps the Java specific parts of the AudioManager. |
131 rtc::scoped_ptr<AudioManager::JavaAudioManager> j_audio_manager_; | 137 rtc::scoped_ptr<AudioManager::JavaAudioManager> j_audio_manager_; |
132 | 138 |
133 AudioDeviceModule::AudioLayer audio_layer_; | 139 AudioDeviceModule::AudioLayer audio_layer_; |
134 | 140 |
135 // Set to true by Init() and false by Close(). | 141 // Set to true by Init() and false by Close(). |
136 bool initialized_; | 142 bool initialized_; |
137 | 143 |
138 // True if device supports hardware (or built-in) AEC. | 144 // True if device supports hardware (or built-in) AEC. |
139 bool hardware_aec_; | 145 bool hardware_aec_; |
| 146 // True if device supports hardware (or built-in) AGC. |
| 147 bool hardware_agc_; |
| 148 // True if device supports hardware (or built-in) NS. |
| 149 bool hardware_ns_; |
140 | 150 |
141 // True if device supports the low-latency OpenSL ES audio path. | 151 // True if device supports the low-latency OpenSL ES audio path. |
142 bool low_latency_playout_; | 152 bool low_latency_playout_; |
143 | 153 |
144 // The delay estimate can take one of two fixed values depending on if the | 154 // The delay estimate can take one of two fixed values depending on if the |
145 // device supports low-latency output or not. | 155 // device supports low-latency output or not. |
146 int delay_estimate_in_milliseconds_; | 156 int delay_estimate_in_milliseconds_; |
147 | 157 |
148 // Contains native parameters (e.g. sample rate, channel configuration). | 158 // Contains native parameters (e.g. sample rate, channel configuration). |
149 // Set at construction in OnCacheAudioParameters() which is called from | 159 // Set at construction in OnCacheAudioParameters() which is called from |
150 // Java on the same thread as this object is created on. | 160 // Java on the same thread as this object is created on. |
151 AudioParameters playout_parameters_; | 161 AudioParameters playout_parameters_; |
152 AudioParameters record_parameters_; | 162 AudioParameters record_parameters_; |
153 }; | 163 }; |
154 | 164 |
155 } // namespace webrtc | 165 } // namespace webrtc |
156 | 166 |
157 #endif // WEBRTC_MODULES_AUDIO_DEVICE_ANDROID_AUDIO_MANAGER_H_ | 167 #endif // WEBRTC_MODULES_AUDIO_DEVICE_ANDROID_AUDIO_MANAGER_H_ |
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