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53 lines
1.6 KiB
53 lines
1.6 KiB
/*
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* Copyright (C) 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 <cmath>
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#include <mediautils/AImageReaderUtils.h>
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#include <hidl/HybridInterface.h>
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namespace android {
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namespace aimg {
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using hardware::hidl_vec;
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static sp<HGraphicBufferProducer> convertNativeHandleToHGBP (
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const native_handle_t *handle) {
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// Read the size of the halToken vec<uint8_t>
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hidl_vec<uint8_t> halToken;
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halToken.setToExternal(
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reinterpret_cast<uint8_t *>(const_cast<int *>(&(handle->data[1]))),
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handle->data[0]);
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sp<HGraphicBufferProducer> hgbp =
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HGraphicBufferProducer::castFrom(retrieveHalInterface(halToken));
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return hgbp;
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}
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sp<HGraphicBufferProducer> AImageReader_getHGBPFromHandle(
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const native_handle_t *handle) {
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if (handle == nullptr) {
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return nullptr;
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}
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if (handle->numFds != 0 ||
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handle->numInts < std::ceil(sizeof(size_t) / sizeof(int))) {
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return nullptr;
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}
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return convertNativeHandleToHGBP(handle);
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}
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} //namespace aimg
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} //namespace android
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