text: /*
   * Copyright (C) 2017-2018 Intel Corporation.
   *
   * 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 PSL_IPU3_WORKERS_FRAMEWORKER_H_
  #define PSL_IPU3_WORKERS_FRAMEWORKER_H_
  
  #include "IDeviceWorker.h"
  #include <cros-camera/camera_buffer_manager.h>
  #include <cros-camera/v4l2_device.h>
  
  namespace cros {
  namespace intel {
  
  class FrameWorker : public IDeviceWorker
  {
  public:
      FrameWorker(std::shared_ptr<cros::V4L2VideoNode> node, int cameraId,
                  size_t pipelineDepth, std::string name = "FrameWorker");
      virtual ~FrameWorker();
  
      virtual status_t configure(std::shared_ptr<GraphConfig> &config);
      virtual status_t startWorker();
      virtual status_t stopWorker();
      virtual status_t prepareRun(std::shared_ptr<DeviceMessage> msg) = 0;
      virtual status_t run() = 0;
      virtual status_t postRun() = 0;
      virtual bool needPolling() { return mPollMe; }
  
  protected:
      status_t allocateWorkerBuffers(uint32_t gralloc_usage, int pixelFormat);
      status_t setWorkerDeviceFormat(FrameInfo &frame);
      status_t setWorkerDeviceBuffers(enum v4l2_memory memType);
  
  protected:
      std::vector<cros::V4L2Buffer> mBuffers;
      unsigned int mIndex;
      std::vector<std::shared_ptr<CameraBuffer>> mCameraBuffers;
  
      cros::V4L2Format mFormat;
      bool mPollMe;
      size_t mPipelineDepth;
  
      // TODO: allocate handles in a buffer wrapper type (CameraBuffer?) and
      // remove |mBufferManager|
      cros::CameraBufferManager* mBufferManager;
  
      std::vector<buffer_handle_t> mBufferHandles;
  
      std::vector<void*> mBufferAddr;
  };
  
  } /* namespace intel */
  } /* namespace cros */
  
  #endif /* PSL_IPU3_WORKERS_FRAMEWORKER_H_ */
  