47 lines
1.5 KiB
C++
Vendored
47 lines
1.5 KiB
C++
Vendored
/*
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* Copyright 2018 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 <algorithm>
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#include <unistd.h>
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#include "oboe_flowgraph_FlowGraphNode_android.h"
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#include "oboe_flowgraph_SinkFloat_android.h"
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using namespace FLOWGRAPH_OUTER_NAMESPACE::flowgraph;
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SinkFloat::SinkFloat(int32_t channelCount)
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: FlowGraphSink(channelCount) {
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}
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int32_t SinkFloat::read(void *data, int32_t numFrames) {
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float *floatData = (float *) data;
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const int32_t channelCount = input.getSamplesPerFrame();
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int32_t framesLeft = numFrames;
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while (framesLeft > 0) {
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// Run the graph and pull data through the input port.
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int32_t framesPulled = pullData(framesLeft);
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if (framesPulled <= 0) {
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break;
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}
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const float *signal = input.getBuffer();
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int32_t numSamples = framesPulled * channelCount;
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memcpy(floatData, signal, numSamples * sizeof(float));
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floatData += numSamples;
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framesLeft -= framesPulled;
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}
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return numFrames - framesLeft;
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}
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