OLD | NEW |
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 media.mojom; | 5 module media.mojom; |
6 | 6 |
7 import "media/mojo/interfaces/media_types.mojom"; | 7 import "media/mojo/interfaces/media_types.mojom"; |
| 8 import "mojo/common/common_custom_types.mojom"; |
| 9 |
| 10 // Identifies a GpuCommandBufferStub. MediaGpuChannelManager is responsible |
| 11 // for minting |channel_token| objects. |
| 12 struct CommandBufferId { |
| 13 mojo.common.mojom.UnguessableToken channel_token; |
| 14 int32 route_id; |
| 15 }; |
8 | 16 |
9 interface VideoDecoder { | 17 interface VideoDecoder { |
10 // Initialize the decoder. This must be called before any other method. | 18 // Initialize the decoder. This must be called before any other method. |
11 // | 19 // |
| 20 // |command_buffer_id|, when present, identifies a GpuCommandBufferStub that |
| 21 // the decoder can use for GL operations. Implementations that require GL will |
| 22 // fail Initialize() if |command_buffer_id| is not provided. |
| 23 // |
12 // |decoder_buffer_pipe| will be used to transfer encoded data for each | 24 // |decoder_buffer_pipe| will be used to transfer encoded data for each |
13 // DecoderBuffer. | 25 // DecoderBuffer. |
14 // | 26 // |
15 // TODO(sandersd): Rename to Initialize() if/when | 27 // TODO(sandersd): Rename to Initialize() if/when |
16 // media::VideoDecoder::Initialize() is renamed to Configure(). | 28 // media::VideoDecoder::Initialize() is renamed to Configure(). |
17 Construct(associated VideoDecoderClient client, | 29 Construct(associated VideoDecoderClient client, |
18 handle<data_pipe_consumer> decoder_buffer_pipe); | 30 handle<data_pipe_consumer> decoder_buffer_pipe, |
| 31 CommandBufferId? command_buffer_id); |
19 | 32 |
20 // Configure (or reconfigure) the decoder. This must be called before decoding | 33 // Configure (or reconfigure) the decoder. This must be called before decoding |
21 // any frames, and must not be called while there are pending Initialize(), | 34 // any frames, and must not be called while there are pending Initialize(), |
22 // Decode(), or Reset() requests. | 35 // Decode(), or Reset() requests. |
23 // | 36 // |
24 // If |low_delay| is true, the decoder must output frames as soon as possible; | 37 // If |low_delay| is true, the decoder must output frames as soon as possible; |
25 // in particular, it must not wait for another Decode() request, except as | 38 // in particular, it must not wait for another Decode() request, except as |
26 // required for frame reordering. Implementations must fail initialization if | 39 // required for frame reordering. Implementations must fail initialization if |
27 // they cannot satisfy this requirement. | 40 // they cannot satisfy this requirement. |
28 // | 41 // |
(...skipping 22 matching lines...) Expand all Loading... |
51 // Reset the decoder. All ongoing Decode() requests must be completed or | 64 // Reset the decoder. All ongoing Decode() requests must be completed or |
52 // aborted before executing the callback. This must not be called while there | 65 // aborted before executing the callback. This must not be called while there |
53 // is a pending Initialize() request. | 66 // is a pending Initialize() request. |
54 Reset() => (); | 67 Reset() => (); |
55 }; | 68 }; |
56 | 69 |
57 interface VideoDecoderClient { | 70 interface VideoDecoderClient { |
58 // Output a decoded frame. Frames must be output in presentation order. | 71 // Output a decoded frame. Frames must be output in presentation order. |
59 OnVideoFrameDecoded(VideoFrame frame); | 72 OnVideoFrameDecoded(VideoFrame frame); |
60 }; | 73 }; |
OLD | NEW |