| 1 | /* |
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| 2 | Copyright 2018 Google Inc. All Rights Reserved. |
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| 3 | |
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| 4 | Licensed under the Apache License, Version 2.0 (the "License"); |
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| 5 | you may not use this file except in compliance with the License. |
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| 6 | You may obtain a copy of the License at |
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| 7 | |
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| 8 | http://www.apache.org/licenses/LICENSE-2.0 |
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| 9 | |
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| 10 | Unless required by applicable law or agreed to in writing, software |
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| 11 | distributed under the License is distributed on an "AS-IS" BASIS, |
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| 12 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 13 | See the License for the specific language governing permissions and |
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| 14 | limitations under the License. |
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| 15 | */ |
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| 16 | |
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| 17 | #ifndef RESONANCE_AUDIO_NODE_SUBSCRIBER_NODE_H_ |
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| 18 | #define RESONANCE_AUDIO_NODE_SUBSCRIBER_NODE_H_ |
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| 19 | |
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| 20 | #include <memory> |
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| 21 | |
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| 22 | #include "base/logging.h" |
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| 23 | #include "node/publisher_node.h" |
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| 24 | |
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| 25 | namespace vraudio { |
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| 26 | |
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| 27 | // Interface for subscriber nodes that declares the connection and |
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| 28 | // disconnection methods. All subscribing nodes need to implement this |
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| 29 | // interface. |
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| 30 | // |
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| 31 | // @tparam InputType Input data type, i. e., the output data type of nodes to |
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| 32 | // connect to. |
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| 33 | // @interface |
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| 34 | template <typename InputType> |
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| 35 | class SubscriberNode { |
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| 36 | public: |
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| 37 | virtual ~SubscriberNode() {} |
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| 38 | |
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| 39 | // Connects this node to |publisher_node|. |
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| 40 | // |
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| 41 | // @param publisher_node Publisher node to connect to. |
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| 42 | virtual void Connect( |
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| 43 | const std::shared_ptr<PublisherNode<InputType>>& publisher_node) = 0; |
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| 44 | }; |
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| 45 | |
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| 46 | } // namespace vraudio |
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| 47 | |
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| 48 | #endif // RESONANCE_AUDIO_NODE_SUBSCRIBER_NODE_H_ |
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| 49 | |
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