1 /* 2 * Copyright 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef FLOWGRAPH_MANY_TO_MULTI_CONVERTER_H 18 #define FLOWGRAPH_MANY_TO_MULTI_CONVERTER_H 19 20 #include <unistd.h> 21 #include <sys/types.h> 22 #include <vector> 23 24 #include "FlowGraphNode.h" 25 26 namespace FLOWGRAPH_OUTER_NAMESPACE { 27 namespace flowgraph { 28 29 /** 30 * Combine multiple mono inputs into one interleaved multi-channel output. 31 */ 32 class ManyToMultiConverter : public flowgraph::FlowGraphNode { 33 public: 34 explicit ManyToMultiConverter(int32_t channelCount); 35 36 virtual ~ManyToMultiConverter() = default; 37 38 int32_t onProcess(int numFrames) override; 39 setEnabled(bool enabled)40 void setEnabled(bool enabled) {} 41 42 std::vector<std::unique_ptr<flowgraph::FlowGraphPortFloatInput>> inputs; 43 flowgraph::FlowGraphPortFloatOutput output; 44 getName()45 const char *getName() override { 46 return "ManyToMultiConverter"; 47 } 48 49 private: 50 }; 51 52 } /* namespace flowgraph */ 53 } /* namespace FLOWGRAPH_OUTER_NAMESPACE */ 54 55 #endif //FLOWGRAPH_MANY_TO_MULTI_CONVERTER_H 56