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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 #ifndef MOJO_MEDIA_MODELS_MULTISTREAM_SOURCE_H_ | 5 #ifndef MOJO_MEDIA_MODELS_MULTISTREAM_SOURCE_H_ |
6 #define MOJO_MEDIA_MODELS_MULTISTREAM_SOURCE_H_ | 6 #define MOJO_MEDIA_MODELS_MULTISTREAM_SOURCE_H_ |
7 | 7 |
8 #include "services/media/framework/models/part.h" | 8 #include "services/media/framework/models/part.h" |
9 #include "services/media/framework/packet.h" | 9 #include "services/media/framework/packet.h" |
10 | 10 |
11 namespace mojo { | 11 namespace mojo { |
12 namespace media { | 12 namespace media { |
13 | 13 |
14 // Synchronous source of packets for multiple streams. This is currently used | 14 // Synchronous source of packets for multiple streams. This is currently used |
15 // by Demux, though it would be better if Demux were asynchronous. | 15 // by Demux, though it would be better if Demux were asynchronous. |
16 class MultistreamSource : public Part { | 16 class MultistreamSource : public Part { |
17 public: | 17 public: |
18 ~MultistreamSource() override {} | 18 ~MultistreamSource() override {} |
19 | 19 |
20 // Returns the number of streams the source produces. | 20 // Returns the number of streams the source produces. |
21 virtual size_t stream_count() const = 0; | 21 virtual size_t stream_count() const = 0; |
22 | 22 |
23 // Gets a packet for the stream indicated via stream_index_out. This call | 23 // Gets a packet for the stream indicated via stream_index_out. This call |
24 // should always produce a packet until end-of-stream. The caller is | 24 // should always produce a packet until end-of-stream. The caller is |
25 // responsible for releasing the packet. | 25 // responsible for releasing the packet. |
26 virtual PacketPtr PullPacket(size_t *stream_index_out) = 0; | 26 virtual PacketPtr PullPacket(size_t* stream_index_out) = 0; |
27 }; | 27 }; |
28 | 28 |
29 } // namespace media | 29 } // namespace media |
30 } // namespace mojo | 30 } // namespace mojo |
31 | 31 |
32 #endif // MOJO_MEDIA_MODELS_MULTISTREAM_SOURCE_H_ | 32 #endif // MOJO_MEDIA_MODELS_MULTISTREAM_SOURCE_H_ |
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