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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 media.mojom; | 5 module media.mojom; |
6 | 6 |
7 import "media/mojo/interfaces/demuxer_stream.mojom"; | 7 import "media/mojo/interfaces/demuxer_stream.mojom"; |
8 import "media/mojo/interfaces/media_types.mojom"; | 8 import "media/mojo/interfaces/media_types.mojom"; |
| 9 import "mojo/common/common_custom_types.mojom"; |
9 import "ui/gfx/geometry/mojo/geometry.mojom"; | 10 import "ui/gfx/geometry/mojo/geometry.mojom"; |
10 import "url/mojo/url.mojom"; | 11 import "url/mojo/url.mojom"; |
11 | 12 |
12 interface Renderer { | 13 interface Renderer { |
13 // Initializes the Renderer with one or both of an audio and video stream, | 14 // Initializes the Renderer with one or both of an audio and video stream, |
14 // executing the callback with whether the initialization succeeded. | 15 // executing the callback with whether the initialization succeeded. |
15 Initialize(RendererClient client, | 16 Initialize(RendererClient client, |
16 DemuxerStream? audio, | 17 DemuxerStream? audio, |
17 DemuxerStream? video, | 18 DemuxerStream? video, |
18 url.mojom.Url? url) => (bool success); | 19 url.mojom.Url? url) => (bool success); |
19 | 20 |
20 // Discards any buffered data, executing callback when completed. | 21 // Discards any buffered data, executing callback when completed. |
21 // NOTE: If an error occurs, RendererClient::OnError() can be called | 22 // NOTE: If an error occurs, RendererClient::OnError() can be called |
22 // before the callback is executed. | 23 // before the callback is executed. |
23 Flush() => (); | 24 Flush() => (); |
24 | 25 |
25 // Starts rendering from |time_usec|. | 26 // Starts rendering from |time|. |
26 StartPlayingFrom(int64 time_usec); | 27 StartPlayingFrom(mojo.common.mojom.TimeDelta time); |
27 | 28 |
28 // Updates the current playback rate. The default playback rate should be 1. | 29 // Updates the current playback rate. The default playback rate should be 1. |
29 SetPlaybackRate(double playback_rate); | 30 SetPlaybackRate(double playback_rate); |
30 | 31 |
31 // Sets the output volume. The default volume should be 1. | 32 // Sets the output volume. The default volume should be 1. |
32 SetVolume(float volume); | 33 SetVolume(float volume); |
33 | 34 |
34 // Attaches the CDM associated with |cdm_id| to the renderer service, | 35 // Attaches the CDM associated with |cdm_id| to the renderer service, |
35 // executing the callback with whether the CDM was successfully attached. | 36 // executing the callback with whether the CDM was successfully attached. |
36 SetCdm(int32 cdm_id) => (bool success); | 37 SetCdm(int32 cdm_id) => (bool success); |
37 }; | 38 }; |
38 | 39 |
39 interface RendererClient { | 40 interface RendererClient { |
40 // Called to report media time advancement by |time_usec|. | 41 // Called to report media time advancement by |time|. |
41 // |time_usec| and |max_time_usec| can be used to interpolate time between | 42 // |time| and |max_time| can be used to interpolate time between |
42 // calls to OnTimeUpdate(). | 43 // calls to OnTimeUpdate(). |
43 // |max_time_usec| is typically the media timestamp of the last audio frame | 44 // |max_time| is typically the media timestamp of the last audio frame |
44 // buffered by the audio hardware. | 45 // buffered by the audio hardware. |
45 // |max_time_usec| must be greater or equal to |time_usec|. | 46 // |max_time| must be greater or equal to |time|. |
46 OnTimeUpdate(int64 time_usec, int64 max_time_usec); | 47 OnTimeUpdate(mojo.common.mojom.TimeDelta time, |
| 48 mojo.common.mojom.TimeDelta max_time); |
47 | 49 |
48 // Called to report buffering state changes, see media_types.mojom. | 50 // Called to report buffering state changes, see media_types.mojom. |
49 OnBufferingStateChange(BufferingState state); | 51 OnBufferingStateChange(BufferingState state); |
50 | 52 |
51 // Executed when rendering has reached the end of stream. | 53 // Executed when rendering has reached the end of stream. |
52 OnEnded(); | 54 OnEnded(); |
53 | 55 |
54 // Executed if any error was encountered during decode or rendering. If | 56 // Executed if any error was encountered during decode or rendering. If |
55 // this error happens during an operation that has a completion callback, | 57 // this error happens during an operation that has a completion callback, |
56 // OnError() will be called before firing the completion callback. | 58 // OnError() will be called before firing the completion callback. |
57 OnError(); | 59 OnError(); |
58 | 60 |
59 // Executed for the first video frame and whenever natural size changes. | 61 // Executed for the first video frame and whenever natural size changes. |
60 OnVideoNaturalSizeChange(gfx.mojom.Size size); | 62 OnVideoNaturalSizeChange(gfx.mojom.Size size); |
61 | 63 |
62 // Executed for the first video frame and whenever opacity changes. | 64 // Executed for the first video frame and whenever opacity changes. |
63 OnVideoOpacityChange(bool opaque); | 65 OnVideoOpacityChange(bool opaque); |
64 | 66 |
65 // Called periodically to pass statistics to the web player. See | 67 // Called periodically to pass statistics to the web player. See |
66 // media_types.mojom. | 68 // media_types.mojom. |
67 OnStatisticsUpdate(PipelineStatistics stats); | 69 OnStatisticsUpdate(PipelineStatistics stats); |
68 | 70 |
69 // Called when the remote renderering service is waiting on the decryption | 71 // Called when the remote renderering service is waiting on the decryption |
70 // key. | 72 // key. |
71 OnWaitingForDecryptionKey(); | 73 OnWaitingForDecryptionKey(); |
72 | 74 |
73 // Executed the first time the metadata is updated, and whenever the duration | 75 // Executed the first time the metadata is updated, and whenever the duration |
74 // changes. | 76 // changes. |
75 OnDurationChange(int64 duration_usec); | 77 OnDurationChange(mojo.common.mojom.TimeDelta duration); |
76 }; | 78 }; |
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