OLD | NEW |
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 // IPC messages for the audio. | 5 // IPC messages for the audio. |
6 // Multiply-included message file, hence no include guard. | 6 // Multiply-included message file, hence no include guard. |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <string> | 10 #include <string> |
11 | 11 |
12 #include "base/memory/shared_memory.h" | 12 #include "base/memory/shared_memory.h" |
13 #include "base/sync_socket.h" | 13 #include "base/sync_socket.h" |
14 #include "content/common/content_export.h" | 14 #include "content/common/content_export.h" |
15 #include "ipc/ipc_message_macros.h" | 15 #include "ipc/ipc_message_macros.h" |
16 #include "media/audio/audio_input_ipc.h" | 16 #include "media/audio/audio_input_ipc.h" |
17 #include "media/audio/audio_output_ipc.h" | 17 #include "media/audio/audio_output_ipc.h" |
18 #include "media/base/ipc/media_param_traits.h" | 18 #include "media/base/ipc/media_param_traits.h" |
19 #include "media/gpu/ipc/common/media_param_traits.h" | 19 #include "media/gpu/ipc/common/media_param_traits.h" |
20 #include "url/origin.h" | 20 #include "url/origin.h" |
21 | 21 |
22 #undef IPC_MESSAGE_EXPORT | 22 #undef IPC_MESSAGE_EXPORT |
23 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT | 23 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT |
24 #define IPC_MESSAGE_START AudioMsgStart | 24 #define IPC_MESSAGE_START AudioMsgStart |
25 | 25 |
26 IPC_ENUM_TRAITS_MAX_VALUE(media::AudioInputIPCDelegateState, | 26 IPC_ENUM_TRAITS_MAX_VALUE(media::AudioInputIPCDelegateState, |
27 media::AUDIO_INPUT_IPC_DELEGATE_STATE_LAST) | 27 media::AUDIO_INPUT_IPC_DELEGATE_STATE_LAST) |
28 | 28 |
29 IPC_ENUM_TRAITS_MAX_VALUE(media::AudioOutputIPCDelegateState, | |
30 media::AUDIO_OUTPUT_IPC_DELEGATE_STATE_LAST) | |
31 | |
32 IPC_ENUM_TRAITS_MAX_VALUE(media::OutputDeviceStatus, | |
33 media::OUTPUT_DEVICE_STATUS_LAST) | |
34 | |
35 IPC_STRUCT_BEGIN(AudioInputHostMsg_CreateStream_Config) | 29 IPC_STRUCT_BEGIN(AudioInputHostMsg_CreateStream_Config) |
36 IPC_STRUCT_MEMBER(media::AudioParameters, params) | 30 IPC_STRUCT_MEMBER(media::AudioParameters, params) |
37 IPC_STRUCT_MEMBER(bool, automatic_gain_control) | 31 IPC_STRUCT_MEMBER(bool, automatic_gain_control) |
38 IPC_STRUCT_MEMBER(uint32_t, shared_memory_count) | 32 IPC_STRUCT_MEMBER(uint32_t, shared_memory_count) |
39 IPC_STRUCT_END() | 33 IPC_STRUCT_END() |
40 | 34 |
41 // Messages sent from the browser to the renderer. | 35 // Messages sent from the browser to the renderer. |
42 | 36 |
43 // Tell the renderer process that an audio output device has been authorized | |
44 // for a given stream. The renderer is given the output parameters for the | |
45 // authorized device. | |
46 IPC_MESSAGE_CONTROL4(AudioMsg_NotifyDeviceAuthorized, | |
47 int /* stream id */, | |
48 media::OutputDeviceStatus /* device_status */, | |
49 media::AudioParameters /* output parameters */, | |
50 std::string /* matched_device_id */) | |
51 | |
52 // Tell the renderer process that an audio stream has been created. | |
53 // The renderer process is given a shared memory handle for the audio data | |
54 // buffer it shares with the browser process. It is also given a SyncSocket that | |
55 // it uses to communicate with the browser process about the state of the | |
56 // buffered audio data. | |
57 IPC_MESSAGE_CONTROL4( | |
58 AudioMsg_NotifyStreamCreated, | |
59 int /* stream id */, | |
60 base::SharedMemoryHandle /* handle */, | |
61 base::SyncSocket::TransitDescriptor /* socket descriptor */, | |
62 uint32_t /* length */) | |
63 | |
64 // Tell the renderer process that an audio input stream has been created. | 37 // Tell the renderer process that an audio input stream has been created. |
65 // The renderer process would be given a SyncSocket that it should read | 38 // The renderer process would be given a SyncSocket that it should read |
66 // from from then on. It is also given number of segments in shared memory. | 39 // from from then on. It is also given number of segments in shared memory. |
67 IPC_MESSAGE_CONTROL5( | 40 IPC_MESSAGE_CONTROL5( |
68 AudioInputMsg_NotifyStreamCreated, | 41 AudioInputMsg_NotifyStreamCreated, |
69 int /* stream id */, | 42 int /* stream id */, |
70 base::SharedMemoryHandle /* handle */, | 43 base::SharedMemoryHandle /* handle */, |
71 base::SyncSocket::TransitDescriptor /* socket descriptor */, | 44 base::SyncSocket::TransitDescriptor /* socket descriptor */, |
72 uint32_t /* length */, | 45 uint32_t /* length */, |
73 uint32_t /* segment count */) | 46 uint32_t /* segment count */) |
74 | 47 |
75 // Notification message sent from AudioRendererHost to renderer for state | |
76 // update after the renderer has requested a Create/Start/Close. | |
77 IPC_MESSAGE_CONTROL2(AudioMsg_NotifyStreamStateChanged, | |
78 int /* stream id */, | |
79 media::AudioOutputIPCDelegateState /* new state */) | |
80 | |
81 // Notification message sent from browser to renderer for state update. | 48 // Notification message sent from browser to renderer for state update. |
82 IPC_MESSAGE_CONTROL2(AudioInputMsg_NotifyStreamStateChanged, | 49 IPC_MESSAGE_CONTROL2(AudioInputMsg_NotifyStreamStateChanged, |
83 int /* stream id */, | 50 int /* stream id */, |
84 media::AudioInputIPCDelegateState /* new state */) | 51 media::AudioInputIPCDelegateState /* new state */) |
85 | 52 |
86 IPC_MESSAGE_CONTROL2(AudioInputMsg_NotifyStreamVolume, | 53 IPC_MESSAGE_CONTROL2(AudioInputMsg_NotifyStreamVolume, |
87 int /* stream id */, | 54 int /* stream id */, |
88 double /* volume */) | 55 double /* volume */) |
89 | 56 |
90 // Messages sent from the renderer to the browser. | 57 // Messages sent from the renderer to the browser. |
91 | 58 |
92 // Message sent to the browser to request the use of an audio output | |
93 // device. |render_frame_id| is the routing ID for the RenderFrame producing | |
94 // the audio data. | |
95 IPC_MESSAGE_CONTROL5(AudioHostMsg_RequestDeviceAuthorization, | |
96 int /* stream_id */, | |
97 int /* render_frame_id */, | |
98 int /* session_id */, | |
99 std::string /* device_id */, | |
100 url::Origin /* security_origin */) | |
101 | |
102 // Request that is sent to the browser for creating an audio output stream. | |
103 IPC_MESSAGE_CONTROL3(AudioHostMsg_CreateStream, | |
104 int /* stream_id */, | |
105 int /* render_frame_id */, | |
106 media::AudioParameters /* params */) | |
107 | |
108 // Request that is sent to the browser for creating an audio input stream. | 59 // Request that is sent to the browser for creating an audio input stream. |
109 // |render_frame_id| is the routing ID for the RenderFrame consuming the audio | 60 // |render_frame_id| is the routing ID for the RenderFrame consuming the audio |
110 // data. | 61 // data. |
111 IPC_MESSAGE_CONTROL4(AudioInputHostMsg_CreateStream, | 62 IPC_MESSAGE_CONTROL4(AudioInputHostMsg_CreateStream, |
112 int /* stream_id */, | 63 int /* stream_id */, |
113 int /* render_frame_id */, | 64 int /* render_frame_id */, |
114 int /* session_id */, | 65 int /* session_id */, |
115 AudioInputHostMsg_CreateStream_Config) | 66 AudioInputHostMsg_CreateStream_Config) |
116 | 67 |
117 // Start buffering and play the audio stream specified by stream_id. | |
118 IPC_MESSAGE_CONTROL1(AudioHostMsg_PlayStream, | |
119 int /* stream_id */) | |
120 | |
121 // Start recording the audio input stream specified by stream_id. | 68 // Start recording the audio input stream specified by stream_id. |
122 IPC_MESSAGE_CONTROL1(AudioInputHostMsg_RecordStream, | 69 IPC_MESSAGE_CONTROL1(AudioInputHostMsg_RecordStream, |
123 int /* stream_id */) | 70 int /* stream_id */) |
124 | 71 |
125 // Pause the audio stream specified by stream_id. | |
126 IPC_MESSAGE_CONTROL1(AudioHostMsg_PauseStream, | |
127 int /* stream_id */) | |
128 | |
129 // Close an audio stream specified by stream_id. | |
130 IPC_MESSAGE_CONTROL1(AudioHostMsg_CloseStream, | |
131 int /* stream_id */) | |
132 | |
133 // Close an audio input stream specified by stream_id. | 72 // Close an audio input stream specified by stream_id. |
134 IPC_MESSAGE_CONTROL1(AudioInputHostMsg_CloseStream, | 73 IPC_MESSAGE_CONTROL1(AudioInputHostMsg_CloseStream, |
135 int /* stream_id */) | 74 int /* stream_id */) |
136 | 75 |
137 // Set audio volume of the stream specified by stream_id. | |
138 // TODO(hclam): change this to vector if we have channel numbers other than 2. | |
139 IPC_MESSAGE_CONTROL2(AudioHostMsg_SetVolume, | |
140 int /* stream_id */, | |
141 double /* volume */) | |
142 | |
143 // Set audio volume of the input stream specified by stream_id. | 76 // Set audio volume of the input stream specified by stream_id. |
144 IPC_MESSAGE_CONTROL2(AudioInputHostMsg_SetVolume, | 77 IPC_MESSAGE_CONTROL2(AudioInputHostMsg_SetVolume, |
145 int /* stream_id */, | 78 int /* stream_id */, |
146 double /* volume */) | 79 double /* volume */) |
OLD | NEW |