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::flowgraph {
27 
28 /**
29  * Combine multiple mono inputs into one interleaved multi-channel output.
30  */
31 class ManyToMultiConverter : public flowgraph::FlowGraphNode {
32 public:
33     explicit ManyToMultiConverter(int32_t channelCount);
34 
35     virtual ~ManyToMultiConverter() = default;
36 
37     int32_t onProcess(int numFrames) override;
38 
setEnabled(bool)39     void setEnabled(bool /*enabled*/) {}
40 
41     std::vector<std::unique_ptr<flowgraph::FlowGraphPortFloatInput>> inputs;
42     flowgraph::FlowGraphPortFloatOutput output;
43 
getName()44     const char *getName() override {
45         return "ManyToMultiConverter";
46     }
47 
48 private:
49 };
50 
51 } /* namespace FLOWGRAPH_OUTER_NAMESPACE::flowgraph */
52 
53 #endif //FLOWGRAPH_MANY_TO_MULTI_CONVERTER_H
54