devices/VirtualCamera/util/Util.cc

/*
 * Copyright (C) 2023 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.
 */

// #define LOG_NDEBUG 0
#define LOG_TAG "VirtualCameraUtil"
#include "Util.h"

#include <unistd.h>

#include "log/log.h"

namespace android {
namespace services {
namespace virtualcamera {

using ::aidl::android::hardware::common::NativeHandle;

sp<Fence> importFence(const NativeHandle& aidlHandle) {
  if (aidlHandle.fds.size() != 1) {
    ALOGE(
        "%s: Cannot import fence from aidlHandle containing %d file "
        "descriptors.",
        __func__, static_cast<int>(aidlHandle.fds.size()));
    return sp<Fence>::make();
  }

  return sp<Fence>::make(::dup(aidlHandle.fds[0].get()));
}

}  // namespace virtualcamera
}  // namespace services
}  // namespace android