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https://github.com/hajimehoshi/ebiten.git
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53 lines
1.5 KiB
C++
Vendored
53 lines
1.5 KiB
C++
Vendored
/*
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* Copyright 2019 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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#ifndef OBOE_SOURCE_I32_CALLER_H
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#define OBOE_SOURCE_I32_CALLER_H
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#include <memory.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include "oboe_flowgraph_FlowGraphNode_android.h"
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#include "oboe_common_AudioSourceCaller_android.h"
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#include "oboe_common_FixedBlockReader_android.h"
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namespace oboe {
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/**
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* AudioSource that uses callback to get more data.
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*/
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class SourceI32Caller : public AudioSourceCaller {
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public:
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SourceI32Caller(int32_t channelCount, int32_t framesPerCallback)
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: AudioSourceCaller(channelCount, framesPerCallback, sizeof(int32_t)) {
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mConversionBuffer = std::make_unique<int32_t[]>(channelCount * output.getFramesPerBuffer());
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}
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int32_t onProcess(int32_t numFrames) override;
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const char *getName() override {
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return "SourceI32Caller";
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}
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private:
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std::unique_ptr<int32_t[]> mConversionBuffer;
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static constexpr float kScale = 1.0 / (1UL << 31);
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};
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}
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#endif //OBOE_SOURCE_I32_CALLER_H
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