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 // MessageFilter that handles video capture messages and delegates them to | 5 // MessageFilter that handles video capture messages and delegates them to |
6 // video captures. VideoCaptureMessageFilter is operated on IO thread of | 6 // video captures. VideoCaptureMessageFilter is operated on IO thread of |
7 // render process. It intercepts video capture messages and process them on | 7 // render process. It intercepts video capture messages and process them on |
8 // IO thread since these messages are time critical. | 8 // IO thread since these messages are time critical. |
9 | 9 |
10 #ifndef CONTENT_RENDERER_MEDIA_VIDEO_CAPTURE_MESSAGE_FILTER_H_ | 10 #ifndef CONTENT_RENDERER_MEDIA_VIDEO_CAPTURE_MESSAGE_FILTER_H_ |
11 #define CONTENT_RENDERER_MEDIA_VIDEO_CAPTURE_MESSAGE_FILTER_H_ | 11 #define CONTENT_RENDERER_MEDIA_VIDEO_CAPTURE_MESSAGE_FILTER_H_ |
12 | 12 |
13 #include <map> | 13 #include <map> |
14 | 14 |
15 #include "base/memory/shared_memory.h" | 15 #include "base/memory/shared_memory.h" |
| 16 #include "base/values.h" |
16 #include "content/common/content_export.h" | 17 #include "content/common/content_export.h" |
17 #include "content/common/media/video_capture.h" | 18 #include "content/common/media/video_capture.h" |
18 #include "ipc/message_filter.h" | 19 #include "ipc/message_filter.h" |
19 #include "media/base/video_capture_types.h" | 20 #include "media/base/video_capture_types.h" |
20 | 21 |
| 22 struct VideoCaptureMsg_BufferReady_Params; |
| 23 struct VideoCaptureMsg_MailboxBufferReady_Params; |
| 24 |
21 namespace gpu { | 25 namespace gpu { |
22 struct MailboxHolder; | 26 struct MailboxHolder; |
23 } // namespace gpu | 27 } // namespace gpu |
24 | 28 |
25 namespace content { | 29 namespace content { |
26 | 30 |
27 class CONTENT_EXPORT VideoCaptureMessageFilter : public IPC::MessageFilter { | 31 class CONTENT_EXPORT VideoCaptureMessageFilter : public IPC::MessageFilter { |
28 public: | 32 public: |
29 class CONTENT_EXPORT Delegate { | 33 class CONTENT_EXPORT Delegate { |
30 public: | 34 public: |
31 // Called when a video frame buffer is created in the browser process. | 35 // Called when a video frame buffer is created in the browser process. |
32 virtual void OnBufferCreated(base::SharedMemoryHandle handle, | 36 virtual void OnBufferCreated(base::SharedMemoryHandle handle, |
33 int length, | 37 int length, |
34 int buffer_id) = 0; | 38 int buffer_id) = 0; |
35 | 39 |
36 virtual void OnBufferDestroyed(int buffer_id) = 0; | 40 virtual void OnBufferDestroyed(int buffer_id) = 0; |
37 | 41 |
38 // Called when a video frame buffer is received from the browser process. | 42 // Called when a video frame buffer is received from the browser process. |
39 virtual void OnBufferReceived(int buffer_id, | 43 virtual void OnBufferReceived( |
40 const media::VideoCaptureFormat& format, | 44 int buffer_id, |
41 const gfx::Rect& visible_rect, | 45 const gfx::Size& coded_size, |
42 base::TimeTicks timestamp) = 0; | 46 const gfx::Rect& visible_rect, |
| 47 base::TimeTicks timestamp, |
| 48 const base::DictionaryValue& metadata) = 0; |
43 | 49 |
44 // Called when a video mailbox buffer is received from the browser process. | 50 // Called when a video mailbox buffer is received from the browser process. |
45 virtual void OnMailboxBufferReceived( | 51 virtual void OnMailboxBufferReceived( |
46 int buffer_id, | 52 int buffer_id, |
47 const gpu::MailboxHolder& mailbox_holder, | 53 const gpu::MailboxHolder& mailbox_holder, |
48 const media::VideoCaptureFormat& format, | 54 const gfx::Size& packed_frame_size, |
49 base::TimeTicks timestamp) = 0; | 55 base::TimeTicks timestamp, |
| 56 const base::DictionaryValue& metadata) = 0; |
50 | 57 |
51 // Called when state of a video capture device has changed in the browser | 58 // Called when state of a video capture device has changed in the browser |
52 // process. | 59 // process. |
53 virtual void OnStateChanged(VideoCaptureState state) = 0; | 60 virtual void OnStateChanged(VideoCaptureState state) = 0; |
54 | 61 |
55 // Called upon reception of device's supported formats back from browser. | 62 // Called upon reception of device's supported formats back from browser. |
56 virtual void OnDeviceSupportedFormatsEnumerated( | 63 virtual void OnDeviceSupportedFormatsEnumerated( |
57 const media::VideoCaptureFormats& supported_formats) = 0; | 64 const media::VideoCaptureFormats& supported_formats) = 0; |
58 | 65 |
59 // Called upon reception of format(s) in use by a device back from browser. | 66 // Called upon reception of format(s) in use by a device back from browser. |
(...skipping 35 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
95 void OnBufferCreated(int device_id, | 102 void OnBufferCreated(int device_id, |
96 base::SharedMemoryHandle handle, | 103 base::SharedMemoryHandle handle, |
97 int length, | 104 int length, |
98 int buffer_id); | 105 int buffer_id); |
99 | 106 |
100 // Release a buffer received by OnBufferCreated. | 107 // Release a buffer received by OnBufferCreated. |
101 void OnBufferDestroyed(int device_id, | 108 void OnBufferDestroyed(int device_id, |
102 int buffer_id); | 109 int buffer_id); |
103 | 110 |
104 // Receive a filled buffer from browser process. | 111 // Receive a filled buffer from browser process. |
105 void OnBufferReceived(int device_id, | 112 void OnBufferReceived(const VideoCaptureMsg_BufferReady_Params& params); |
106 int buffer_id, | |
107 const media::VideoCaptureFormat& format, | |
108 const gfx::Rect& visible_rect, | |
109 base::TimeTicks timestamp); | |
110 | 113 |
111 // Receive a filled texture mailbox buffer from browser process. | 114 // Receive a filled texture mailbox buffer from browser process. |
112 void OnMailboxBufferReceived(int device_id, | 115 void OnMailboxBufferReceived( |
113 int buffer_id, | 116 const VideoCaptureMsg_MailboxBufferReady_Params& params); |
114 const gpu::MailboxHolder& mailbox_holder, | |
115 const media::VideoCaptureFormat& format, | |
116 base::TimeTicks timestamp); | |
117 | 117 |
118 // State of browser process' video capture device has changed. | 118 // State of browser process' video capture device has changed. |
119 void OnDeviceStateChanged(int device_id, VideoCaptureState state); | 119 void OnDeviceStateChanged(int device_id, VideoCaptureState state); |
120 | 120 |
121 // Receive a device's supported formats back from browser process. | 121 // Receive a device's supported formats back from browser process. |
122 void OnDeviceSupportedFormatsEnumerated( | 122 void OnDeviceSupportedFormatsEnumerated( |
123 int device_id, | 123 int device_id, |
124 const media::VideoCaptureFormats& supported_formats); | 124 const media::VideoCaptureFormats& supported_formats); |
125 | 125 |
126 // Receive the formats in-use by a device back from browser process. | 126 // Receive the formats in-use by a device back from browser process. |
(...skipping 10 matching lines...) Expand all Loading... |
137 int32 last_device_id_; | 137 int32 last_device_id_; |
138 | 138 |
139 IPC::Sender* sender_; | 139 IPC::Sender* sender_; |
140 | 140 |
141 DISALLOW_COPY_AND_ASSIGN(VideoCaptureMessageFilter); | 141 DISALLOW_COPY_AND_ASSIGN(VideoCaptureMessageFilter); |
142 }; | 142 }; |
143 | 143 |
144 } // namespace content | 144 } // namespace content |
145 | 145 |
146 #endif // CONTENT_RENDERER_MEDIA_VIDEO_CAPTURE_MESSAGE_FILTER_H_ | 146 #endif // CONTENT_RENDERER_MEDIA_VIDEO_CAPTURE_MESSAGE_FILTER_H_ |
OLD | NEW |