39 lines
1.5 KiB
C++
Vendored
39 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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#include "oboe_common_AudioSourceCaller_android.h"
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using namespace oboe;
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using namespace flowgraph;
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int32_t AudioSourceCaller::onProcessFixedBlock(uint8_t *buffer, int32_t numBytes) {
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AudioStreamDataCallback *callback = mStream->getDataCallback();
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int32_t result = 0;
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int32_t numFrames = numBytes / mStream->getBytesPerFrame();
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if (callback != nullptr) {
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DataCallbackResult callbackResult = callback->onAudioReady(mStream, buffer, numFrames);
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// onAudioReady() does not return the number of bytes processed so we have to assume all.
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result = (callbackResult == DataCallbackResult::Continue)
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? numBytes
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: -1;
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} else {
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auto readResult = mStream->read(buffer, numFrames, mTimeoutNanos);
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if (!readResult) return (int32_t) readResult.error();
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result = readResult.value() * mStream->getBytesPerFrame();
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}
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return result;
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}
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