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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 PPAPI_CPP_DEV_AUDIO_INPUT_DEV_H_ | 5 #ifndef PPAPI_CPP_DEV_AUDIO_INPUT_DEV_H_ |
6 #define PPAPI_CPP_DEV_AUDIO_INPUT_DEV_H_ | 6 #define PPAPI_CPP_DEV_AUDIO_INPUT_DEV_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "ppapi/c/dev/ppb_audio_input_dev.h" | 10 #include "ppapi/c/dev/ppb_audio_input_dev.h" |
11 #include "ppapi/cpp/audio_config.h" | 11 #include "ppapi/cpp/audio_config.h" |
12 #include "ppapi/cpp/completion_callback.h" | 12 #include "ppapi/cpp/completion_callback.h" |
13 #include "ppapi/cpp/dev/device_ref_dev.h" | 13 #include "ppapi/cpp/dev/device_ref_dev.h" |
14 #include "ppapi/cpp/resource.h" | 14 #include "ppapi/cpp/resource.h" |
15 | 15 |
16 namespace pp { | 16 namespace pp { |
17 | 17 |
18 class InstanceHandle; | 18 class InstanceHandle; |
19 | 19 |
20 class AudioInput_Dev : public Resource { | 20 class AudioInput_Dev : public Resource { |
21 public: | 21 public: |
22 /// An empty constructor for an AudioInput resource. | 22 /// An empty constructor for an AudioInput resource. |
23 AudioInput_Dev(); | 23 AudioInput_Dev(); |
24 | 24 |
25 /// This constructor tries to create an audio input resource using the v0.2 | 25 /// Constructor to create an audio input resource. |
26 /// interface, and falls back on the v0.1 interface if that is not available. | |
27 /// Please use the 2-parameter Open() if you used this constructor. | |
28 /// | |
29 /// Note: This constructor is deprecated. Unless your code has to deal with | |
30 /// browsers that only support the v0.1 interface, please use the 1-parameter | |
31 /// constructor instead. | |
32 AudioInput_Dev(const InstanceHandle& instance, | |
33 const AudioConfig& config, | |
34 PPB_AudioInput_Callback callback, | |
35 void* user_data); | |
36 | |
37 /// This constructor uses the v0.2 interface to create an audio input | |
38 /// resource. Please use the 5-parameter Open() if you used this constructor. | |
39 explicit AudioInput_Dev(const InstanceHandle& instance); | 26 explicit AudioInput_Dev(const InstanceHandle& instance); |
40 | 27 |
41 virtual ~AudioInput_Dev(); | 28 virtual ~AudioInput_Dev(); |
42 | 29 |
43 /// Static function for determining whether the browser supports the required | 30 /// Static function for determining whether the browser supports the required |
44 /// AudioInput interface. | 31 /// AudioInput interface. |
45 /// | 32 /// |
46 /// @return true if the interface is available, false otherwise. | 33 /// @return true if the interface is available, false otherwise. |
47 static bool IsAvailable(); | 34 static bool IsAvailable(); |
48 | 35 |
49 /// Getter function for returning the internal <code>PPB_AudioConfig</code> | |
50 /// struct. | |
51 /// | |
52 /// @return A mutable reference to the PPB_AudioConfig struct. | |
53 AudioConfig& config() { return config_; } | |
54 | |
55 /// Getter function for returning the internal <code>PPB_AudioConfig</code> | |
56 /// struct. | |
57 /// | |
58 /// @return A const reference to the internal <code>PPB_AudioConfig</code> | |
59 /// struct. | |
60 const AudioConfig& config() const { return config_; } | |
61 | |
62 int32_t EnumerateDevices( | 36 int32_t EnumerateDevices( |
63 const CompletionCallbackWithOutput<std::vector<DeviceRef_Dev> >& | 37 const CompletionCallbackWithOutput<std::vector<DeviceRef_Dev> >& |
64 callback); | 38 callback); |
65 | 39 |
66 /// If |device_ref| is null (i.e., is_null() returns true), the default device | 40 /// If |device_ref| is null (i.e., is_null() returns true), the default device |
67 /// will be used. | 41 /// will be used. |
68 /// In order to maintain backward compatibility, this method doesn't have | |
69 /// input parameters config, audio_input_callback and user_data. Instead, it | |
70 /// uses those values stored when the 4-parameter constructor was called. | |
71 /// | |
72 /// Note: This method is deprecated. Unless your code has to deal with | |
73 /// browsers that only support the v0.1 interface, please use the other | |
74 /// Open(). | |
75 int32_t Open(const DeviceRef_Dev& device_ref, | |
76 const CompletionCallback& callback); | |
77 | |
78 int32_t Open(const DeviceRef_Dev& device_ref, | 42 int32_t Open(const DeviceRef_Dev& device_ref, |
79 const AudioConfig& config, | 43 const AudioConfig& config, |
80 PPB_AudioInput_Callback audio_input_callback, | 44 PPB_AudioInput_Callback audio_input_callback, |
81 void* user_data, | 45 void* user_data, |
82 const CompletionCallback& callback); | 46 const CompletionCallback& callback); |
83 | 47 |
84 bool StartCapture(); | 48 bool StartCapture(); |
85 bool StopCapture(); | 49 bool StopCapture(); |
86 void Close(); | 50 void Close(); |
87 | |
88 private: | |
89 AudioConfig config_; | |
90 | |
91 // Used to store the arguments of Open() for the v0.2 interface. | |
92 PPB_AudioInput_Callback audio_input_callback_; | |
93 void* user_data_; | |
94 }; | 51 }; |
95 | 52 |
96 } // namespace pp | 53 } // namespace pp |
97 | 54 |
98 #endif // PPAPI_CPP_DEV_AUDIO_INPUT_DEV_H_ | 55 #endif // PPAPI_CPP_DEV_AUDIO_INPUT_DEV_H_ |
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