You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

53 lines
1.6 KiB

/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <cmath>
#include <mediautils/AImageReaderUtils.h>
#include <hidl/HybridInterface.h>
namespace android {
namespace aimg {
using hardware::hidl_vec;
static sp<HGraphicBufferProducer> convertNativeHandleToHGBP (
const native_handle_t *handle) {
// Read the size of the halToken vec<uint8_t>
hidl_vec<uint8_t> halToken;
halToken.setToExternal(
reinterpret_cast<uint8_t *>(const_cast<int *>(&(handle->data[1]))),
handle->data[0]);
sp<HGraphicBufferProducer> hgbp =
HGraphicBufferProducer::castFrom(retrieveHalInterface(halToken));
return hgbp;
}
sp<HGraphicBufferProducer> AImageReader_getHGBPFromHandle(
const native_handle_t *handle) {
if (handle == nullptr) {
return nullptr;
}
if (handle->numFds != 0 ||
handle->numInts < std::ceil(sizeof(size_t) / sizeof(int))) {
return nullptr;
}
return convertNativeHandleToHGBP(handle);
}
} //namespace aimg
} //namespace android