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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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