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Side by Side Diff: content/common/video_capture.mojom

Issue 2524103002: [Mojo Video Capture] Move Mojo struct VideoFrameInfo from content/common to media/capture/mojo (Closed)
Patch Set: Created 4 years ago
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1 // Copyright 2016 The Chromium Authors. All rights reserved. 1 // Copyright 2016 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 module content.mojom; 5 module content.mojom;
6 6
7 import "gpu/ipc/common/sync_token.mojom"; 7 import "gpu/ipc/common/sync_token.mojom";
8 import "media/mojo/interfaces/media_types.mojom"; 8 import "media/mojo/interfaces/media_types.mojom";
9 import "media/capture/mojo/video_capture_types.mojom"; 9 import "media/capture/mojo/video_capture_types.mojom";
10 import "mojo/common/common_custom_types.mojom"; 10 import "mojo/common/common_custom_types.mojom";
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44 // | ---> ReleaseBuffer(2) | 44 // | ---> ReleaseBuffer(2) |
45 // | OnBufferDestroyed(2) <--- | 45 // | OnBufferDestroyed(2) <--- |
46 // | OnBufferCreated(5) <--- | 46 // | OnBufferCreated(5) <--- |
47 // | OnBufferReady(5) <--- | 47 // | OnBufferReady(5) <--- |
48 // = = 48 // = =
49 // In the communication epilogue, the client Stop()s capture, receiving a last 49 // In the communication epilogue, the client Stop()s capture, receiving a last
50 // status update: 50 // status update:
51 // | ---> StopCapture | 51 // | ---> StopCapture |
52 // | OnStateChanged(STOPPED) <--- | 52 // | OnStateChanged(STOPPED) <--- |
53 53
54 struct VideoFrameInfo{
55 mojo.common.mojom.TimeDelta timestamp;
56 mojo.common.mojom.DictionaryValue metadata;
57 media.mojom.VideoPixelFormat pixel_format;
58 media.mojom.VideoPixelStorage storage_type;
59 gfx.mojom.Size coded_size;
60 gfx.mojom.Rect visible_rect;
61 };
62
63 enum VideoCaptureState { 54 enum VideoCaptureState {
64 STARTED, 55 STARTED,
65 PAUSED, 56 PAUSED,
66 RESUMED, 57 RESUMED,
67 STOPPED, 58 STOPPED,
68 FAILED, 59 FAILED,
69 ENDED, 60 ENDED,
70 }; 61 };
71 62
72 // Interface for notifications from Browser/Host back to Renderer/Client. This 63 // Interface for notifications from Browser/Host back to Renderer/Client. This
73 // interface is used between VideoCaptureHost.Start() and Stop(). 64 // interface is used between VideoCaptureHost.Start() and Stop().
74 interface VideoCaptureObserver { 65 interface VideoCaptureObserver {
75 // Gets notified about a VideoCaptureState update. 66 // Gets notified about a VideoCaptureState update.
76 OnStateChanged(VideoCaptureState state); 67 OnStateChanged(VideoCaptureState state);
77 68
78 // A new buffer identified by |buffer_id| has been created for video capture. 69 // A new buffer identified by |buffer_id| has been created for video capture.
79 OnBufferCreated(int32 buffer_id, handle<shared_buffer> handle_fd); 70 OnBufferCreated(int32 buffer_id, handle<shared_buffer> handle_fd);
80 71
81 // |buffer_id| has video capture data with |info| containing the associated 72 // |buffer_id| has video capture data with |info| containing the associated
82 // VideoFrame constituent parts. 73 // VideoFrame constituent parts.
83 OnBufferReady(int32 buffer_id, VideoFrameInfo info); 74 OnBufferReady(int32 buffer_id, media.mojom.VideoFrameInfo info);
84 75
85 // |buffer_id| has been released by VideoCaptureHost and must not be used. 76 // |buffer_id| has been released by VideoCaptureHost and must not be used.
86 OnBufferDestroyed(int32 buffer_id); 77 OnBufferDestroyed(int32 buffer_id);
87 }; 78 };
88 79
89 interface VideoCaptureHost { 80 interface VideoCaptureHost {
90 // Start the |session_id| session with |params|. The video capture will be 81 // Start the |session_id| session with |params|. The video capture will be
91 // identified as |device_id|, a new id picked by the renderer process. 82 // identified as |device_id|, a new id picked by the renderer process.
92 // |observer| will be used for notifications. 83 // |observer| will be used for notifications.
93 Start(int32 device_id, int32 session_id, media.mojom.VideoCaptureParams params , 84 Start(int32 device_id, int32 session_id, media.mojom.VideoCaptureParams params ,
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112 double consumer_resource_utilization); 103 double consumer_resource_utilization);
113 104
114 // Get the formats supported by a device referenced by |session_id|. 105 // Get the formats supported by a device referenced by |session_id|.
115 GetDeviceSupportedFormats(int32 device_id, int32 session_id) 106 GetDeviceSupportedFormats(int32 device_id, int32 session_id)
116 => (array<media.mojom.VideoCaptureFormat> formats_supported); 107 => (array<media.mojom.VideoCaptureFormat> formats_supported);
117 108
118 // Get the format(s) in use by a device referenced by |session_id|. 109 // Get the format(s) in use by a device referenced by |session_id|.
119 GetDeviceFormatsInUse(int32 device_id, int32 session_id) 110 GetDeviceFormatsInUse(int32 device_id, int32 session_id)
120 => (array<media.mojom.VideoCaptureFormat> formats_in_use); 111 => (array<media.mojom.VideoCaptureFormat> formats_in_use);
121 }; 112 };
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