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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.interfaces; | 5 module media.interfaces; |
6 | 6 |
7 import "media/mojo/interfaces/media_types.mojom"; | 7 import "media/mojo/interfaces/media_types.mojom"; |
8 | 8 |
9 // DemuxerStream is modeled after media::DemuxerStream using mojo in order to | 9 // DemuxerStream is modeled after media::DemuxerStream using mojo in order to |
10 // enable proxying between a media::Pipeline and media::Renderer living in two | 10 // enable proxying between a media::Pipeline and media::Renderer living in two |
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28 // Initializes the DemuxerStream. Read() can only be called after the callback | 28 // Initializes the DemuxerStream. Read() can only be called after the callback |
29 // is received. The returned |pipe| will be used to fill out the data section | 29 // is received. The returned |pipe| will be used to fill out the data section |
30 // of the media::DecoderBuffer returned via DemuxerStream::Read(). Only the | 30 // of the media::DecoderBuffer returned via DemuxerStream::Read(). Only the |
31 // config for |type| should be non-null, which is the initial config of the | 31 // config for |type| should be non-null, which is the initial config of the |
32 // stream. | 32 // stream. |
33 Initialize() => (Type type, | 33 Initialize() => (Type type, |
34 handle<data_pipe_consumer> pipe, | 34 handle<data_pipe_consumer> pipe, |
35 AudioDecoderConfig? audio_config, | 35 AudioDecoderConfig? audio_config, |
36 VideoDecoderConfig? video_config); | 36 VideoDecoderConfig? video_config); |
37 | 37 |
38 // Requests a MediaDecoderBuffer from this stream for decoding and rendering. | 38 // Requests a DecoderBuffer from this stream for decoding and rendering. |
39 // See media::DemuxerStream::ReadCB for a general explanation of the fields. | 39 // See media::DemuxerStream::ReadCB for a general explanation of the fields. |
40 // | 40 // |
41 // Notes on the callback: | 41 // Notes on the callback: |
42 // - If |status| is OK, |buffer| should be non-null and clients must fill out | 42 // - If |status| is OK, |buffer| should be non-null and clients must fill out |
43 // the data section of the returned media::DecoderBuffer by reading from | 43 // the data section of the returned media::DecoderBuffer by reading from |
44 // the |pipe| provided during Initialize(). | 44 // the |pipe| provided during Initialize(). |
45 // - If |status| is ABORTED, all other fields should be null. | 45 // - If |status| is ABORTED, all other fields should be null. |
46 // - If |status| is CONFIG_CHANGED, the config for the stream type should be | 46 // - If |status| is CONFIG_CHANGED, the config for the stream type should be |
47 // non-null. | 47 // non-null. |
48 // | 48 // |
49 // TODO(dalecurtis): Remove this method in favor of serializing everything | 49 // TODO(dalecurtis): Remove this method in favor of serializing everything |
50 // into the DataPipe given to Initialize() once DataPipe supports framed data | 50 // into the DataPipe given to Initialize() once DataPipe supports framed data |
51 // in a nicer fashion. | 51 // in a nicer fashion. |
52 Read() => (Status status, | 52 Read() => (Status status, |
53 MediaDecoderBuffer? buffer, | 53 DecoderBuffer? buffer, |
54 AudioDecoderConfig? audio_config, | 54 AudioDecoderConfig? audio_config, |
55 VideoDecoderConfig? video_config); | 55 VideoDecoderConfig? video_config); |
56 }; | 56 }; |
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