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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 CHROMEOS_DBUS_AUDIO_DSP_CLIENT_H_ | 5 #ifndef CHROMEOS_DBUS_AUDIO_DSP_CLIENT_H_ |
6 #define CHROMEOS_DBUS_AUDIO_DSP_CLIENT_H_ | 6 #define CHROMEOS_DBUS_AUDIO_DSP_CLIENT_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include <stdint.h> |
| 9 |
| 10 #include "base/macros.h" |
9 #include "chromeos/chromeos_export.h" | 11 #include "chromeos/chromeos_export.h" |
10 #include "chromeos/dbus/dbus_client.h" | 12 #include "chromeos/dbus/dbus_client.h" |
11 #include "chromeos/dbus/dbus_method_call_status.h" | 13 #include "chromeos/dbus/dbus_method_call_status.h" |
12 | 14 |
13 namespace chromeos { | 15 namespace chromeos { |
14 | 16 |
15 // A DBus client class for the org.chromium.AudioDsp service. | 17 // A DBus client class for the org.chromium.AudioDsp service. |
16 class CHROMEOS_EXPORT AudioDspClient : public DBusClient { | 18 class CHROMEOS_EXPORT AudioDspClient : public DBusClient { |
17 public: | 19 public: |
18 // A callback to handle responses of methods returning a double value. | 20 // A callback to handle responses of methods returning a double value. |
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31 const std::string& result2, | 33 const std::string& result2, |
32 const std::string& result3)> | 34 const std::string& result3)> |
33 ThreeStringDBusMethodCallback; | 35 ThreeStringDBusMethodCallback; |
34 | 36 |
35 // Interface for observing DSP events from a DSP client. | 37 // Interface for observing DSP events from a DSP client. |
36 class Observer { | 38 class Observer { |
37 public: | 39 public: |
38 virtual ~Observer() {} | 40 virtual ~Observer() {} |
39 | 41 |
40 // Called when the Error signal is received. | 42 // Called when the Error signal is received. |
41 virtual void OnError(int32 error_code) = 0; | 43 virtual void OnError(int32_t error_code) = 0; |
42 }; | 44 }; |
43 | 45 |
44 ~AudioDspClient() override; | 46 ~AudioDspClient() override; |
45 | 47 |
46 // Adds and removes observers for AUDIO_DSP events. | 48 // Adds and removes observers for AUDIO_DSP events. |
47 virtual void AddObserver(Observer* observer) = 0; | 49 virtual void AddObserver(Observer* observer) = 0; |
48 virtual void RemoveObserver(Observer* observer) = 0; | 50 virtual void RemoveObserver(Observer* observer) = 0; |
49 | 51 |
50 // Factory function; creates a new instance which is owned by the caller. | 52 // Factory function; creates a new instance which is owned by the caller. |
51 // For normal usage, access the singleton via DBusThreadManager::Get(). | 53 // For normal usage, access the singleton via DBusThreadManager::Get(). |
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102 // Calls GetCapabilitiesOEM method. | 104 // Calls GetCapabilitiesOEM method. |
103 // |callback| will be called with a DBusMethodCallStatus indicating whether | 105 // |callback| will be called with a DBusMethodCallStatus indicating whether |
104 // the DBus method call succeeded, and three std::strings that constitute | 106 // the DBus method call succeeded, and three std::strings that constitute |
105 // the return value from the DBus method. | 107 // the return value from the DBus method. |
106 virtual void GetCapabilitiesOEM( | 108 virtual void GetCapabilitiesOEM( |
107 const ThreeStringDBusMethodCallback& callback) = 0; | 109 const ThreeStringDBusMethodCallback& callback) = 0; |
108 | 110 |
109 // Calls SetCapabilitiesOEM method. | 111 // Calls SetCapabilitiesOEM method. |
110 // |callback| will be called with a DBusMethodCallStatus indicating whether | 112 // |callback| will be called with a DBusMethodCallStatus indicating whether |
111 // the DBus method call succeeded. | 113 // the DBus method call succeeded. |
112 virtual void SetCapabilitiesOEM(uint32 speaker_id, | 114 virtual void SetCapabilitiesOEM(uint32_t speaker_id, |
113 const std::string& speaker_capabilities, | 115 const std::string& speaker_capabilities, |
114 const std::string& driver_capabilities, | 116 const std::string& driver_capabilities, |
115 const VoidDBusMethodCallback& callback) = 0; | 117 const VoidDBusMethodCallback& callback) = 0; |
116 | 118 |
117 // Calls GetFilterConfigOEM method. | 119 // Calls GetFilterConfigOEM method. |
118 // |callback| will be called with a DBusMethodCallStatus indicating whether | 120 // |callback| will be called with a DBusMethodCallStatus indicating whether |
119 // the DBus method call succeeded, and two std::strings that constitute | 121 // the DBus method call succeeded, and two std::strings that constitute |
120 // the return value from the DBus method. | 122 // the return value from the DBus method. |
121 virtual void GetFilterConfigOEM( | 123 virtual void GetFilterConfigOEM( |
122 uint32 speaker_id, | 124 uint32_t speaker_id, |
123 const TwoStringDBusMethodCallback& callback) = 0; | 125 const TwoStringDBusMethodCallback& callback) = 0; |
124 | 126 |
125 // Calls SetFilterConfigOEM method. | 127 // Calls SetFilterConfigOEM method. |
126 // |callback| will be called with a DBusMethodCallStatus indicating whether | 128 // |callback| will be called with a DBusMethodCallStatus indicating whether |
127 // the DBus method call succeeded. | 129 // the DBus method call succeeded. |
128 virtual void SetFilterConfigOEM(const std::string& speaker_config, | 130 virtual void SetFilterConfigOEM(const std::string& speaker_config, |
129 const std::string& driver_config, | 131 const std::string& driver_config, |
130 const VoidDBusMethodCallback& callback) = 0; | 132 const VoidDBusMethodCallback& callback) = 0; |
131 | 133 |
132 // Calls SetSourceType method. | 134 // Calls SetSourceType method. |
133 // |callback| will be called with a DBusMethodCallStatus indicating whether | 135 // |callback| will be called with a DBusMethodCallStatus indicating whether |
134 // the DBus method call succeeded. | 136 // the DBus method call succeeded. |
135 virtual void SetSourceType(uint16 source_type, | 137 virtual void SetSourceType(uint16_t source_type, |
136 const VoidDBusMethodCallback& callback) = 0; | 138 const VoidDBusMethodCallback& callback) = 0; |
137 | 139 |
138 // Calls AmplifierVolumeChanged method. | 140 // Calls AmplifierVolumeChanged method. |
139 // |callback| will be called with a DBusMethodCallStatus indicating whether | 141 // |callback| will be called with a DBusMethodCallStatus indicating whether |
140 // the DBus method call succeeded. | 142 // the DBus method call succeeded. |
141 virtual void AmplifierVolumeChanged( | 143 virtual void AmplifierVolumeChanged( |
142 double db_spl, | 144 double db_spl, |
143 const VoidDBusMethodCallback& callback) = 0; | 145 const VoidDBusMethodCallback& callback) = 0; |
144 | 146 |
145 protected: | 147 protected: |
146 // Create() should be used instead. | 148 // Create() should be used instead. |
147 AudioDspClient(); | 149 AudioDspClient(); |
148 | 150 |
149 private: | 151 private: |
150 DISALLOW_COPY_AND_ASSIGN(AudioDspClient); | 152 DISALLOW_COPY_AND_ASSIGN(AudioDspClient); |
151 }; | 153 }; |
152 | 154 |
153 } // namespace chromeos | 155 } // namespace chromeos |
154 | 156 |
155 #endif // CHROMEOS_DBUS_AUDIO_DSP_CLIENT_H_ | 157 #endif // CHROMEOS_DBUS_AUDIO_DSP_CLIENT_H_ |
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