services/camera/virtualcamera/VirtualCameraCaptureResultConsumer.h

/*
 * Copyright (C) 2025 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.
 */

#ifndef ANDROID_COMPANION_VIRTUALCAMERA_VIRTUALCAMERACAPTURERESULTCONSUMER_H
#define ANDROID_COMPANION_VIRTUALCAMERA_VIRTUALCAMERACAPTURERESULTCONSUMER_H

#include <mutex>

#include "aidl/android/companion/virtualcamera/BnCaptureResultConsumer.h"
#include "android-base/thread_annotations.h"
#include "system/camera_metadata.h"

namespace android {
namespace companion {
namespace virtualcamera {

// Consumer for capture results, filled by the client application and consumed
// by the VirtualCameraRenderThread.
class VirtualCameraCaptureResultConsumer
    : public aidl::android::companion::virtualcamera::BnCaptureResultConsumer {
 public:
  ~VirtualCameraCaptureResultConsumer();

  ndk::ScopedAStatus acceptCaptureResult(
      int64_t timestamp,
      const aidl::android::companion::virtualcamera::VirtualCameraMetadata&
          captureResultMetadata) override;

  const camera_metadata_t* getCaptureResultMetadataForTimestamp(
      int64_t timestamp);

 private:
  std::mutex mLock;
  int64_t mLastTimestamp GUARDED_BY(mLock);
  camera_metadata_t* mLastMetadata GUARDED_BY(mLock) = nullptr;
};

}  // namespace virtualcamera
}  // namespace companion
}  // namespace android

#endif  // ANDROID_COMPANION_VIRTUALCAMERA_VIRTUALCAMERACAPTURERESULTCONSUMER_H