48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
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/*
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* Copyright 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <unistd.h>
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#include "oboe_flowgraph_FlowGraphNode_android.h"
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#include "oboe_flowgraph_MultiToManyConverter_android.h"
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using namespace FLOWGRAPH_OUTER_NAMESPACE::flowgraph;
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MultiToManyConverter::MultiToManyConverter(int32_t channelCount)
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: outputs(channelCount)
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, input(*this, channelCount) {
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for (int i = 0; i < channelCount; i++) {
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outputs[i] = std::make_unique<FlowGraphPortFloatOutput>(*this, 1);
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}
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}
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MultiToManyConverter::~MultiToManyConverter() = default;
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int32_t MultiToManyConverter::onProcess(int32_t numFrames) {
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int32_t channelCount = input.getSamplesPerFrame();
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for (int ch = 0; ch < channelCount; ch++) {
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const float *inputBuffer = input.getBuffer() + ch;
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float *outputBuffer = outputs[ch]->getBuffer();
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for (int i = 0; i < numFrames; i++) {
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*outputBuffer++ = *inputBuffer;
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inputBuffer += channelCount;
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}
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}
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return numFrames;
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}
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