mirror of
https://github.com/hajimehoshi/ebiten.git
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56 lines
1.8 KiB
C++
Vendored
56 lines
1.8 KiB
C++
Vendored
/*
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* Copyright 2020 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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#if FLOWGRAPH_ANDROID_INTERNAL
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#include <audio_utils/primitives.h>
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#endif
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#include "oboe_flowgraph_FlowGraphNode_android.h"
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#include "oboe_flowgraph_FlowgraphUtilities_android.h"
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#include "oboe_flowgraph_SinkI32_android.h"
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using namespace FLOWGRAPH_OUTER_NAMESPACE::flowgraph;
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SinkI32::SinkI32(int32_t channelCount)
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: FlowGraphSink(channelCount) {}
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int32_t SinkI32::read(void *data, int32_t numFrames) {
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int32_t *intData = (int32_t *) 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 framesRead = pullData(framesLeft);
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if (framesRead <= 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 = framesRead * channelCount;
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#if FLOWGRAPH_ANDROID_INTERNAL
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memcpy_to_i32_from_float(intData, signal, numSamples);
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intData += numSamples;
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signal += numSamples;
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#else
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for (int i = 0; i < numSamples; i++) {
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*intData++ = FlowgraphUtilities::clamp32FromFloat(*signal++);
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}
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#endif
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framesLeft -= framesRead;
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}
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return numFrames - framesLeft;
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}
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