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#ifndef CAFFE_HDF5_OUTPUT_LAYER_HPP_
#define CAFFE_HDF5_OUTPUT_LAYER_HPP_
#include "hdf5.h"
#include <string>
#include <vector>
#include "caffe/blob.hpp"
#include "caffe/layer.hpp"
#include "caffe/proto/caffe.pb.h"
namespace caffe {
#define HDF5_DATA_DATASET_NAME "data"
#define HDF5_DATA_LABEL_NAME "label"
/**
* @brief Write blobs to disk as HDF5 files.
*
* TODO(dox): thorough documentation for Forward and proto params.
*/
template <typename Dtype>
class HDF5OutputLayer : public Layer<Dtype> {
public:
explicit HDF5OutputLayer(const LayerParameter& param)
: Layer<Dtype>(param), file_opened_(false) {}
virtual ~HDF5OutputLayer();
virtual void LayerSetUp(const vector<Blob<Dtype>*>& bottom,
const vector<Blob<Dtype>*>& top);
// Data layers have no bottoms, so reshaping is trivial.
virtual void Reshape(const vector<Blob<Dtype>*>& bottom,
const vector<Blob<Dtype>*>& top) {}
virtual inline const char* type() const { return "HDF5Output"; }
// TODO: no limit on the number of blobs
virtual inline int ExactNumBottomBlobs() const { return 2; }
virtual inline int ExactNumTopBlobs() const { return 0; }
inline std::string file_name() const { return file_name_; }
protected:
virtual void Forward_cpu(const vector<Blob<Dtype>*>& bottom,
const vector<Blob<Dtype>*>& top);
virtual void Forward_gpu(const vector<Blob<Dtype>*>& bottom,
const vector<Blob<Dtype>*>& top);
virtual void Backward_cpu(const vector<Blob<Dtype>*>& top,
const vector<bool>& propagate_down, const vector<Blob<Dtype>*>& bottom);
virtual void Backward_gpu(const vector<Blob<Dtype>*>& top,
const vector<bool>& propagate_down, const vector<Blob<Dtype>*>& bottom);
virtual void SaveBlobs();
bool file_opened_;
std::string file_name_;
hid_t file_id_;
Blob<Dtype> data_blob_;
Blob<Dtype> label_blob_;
};
} // namespace caffe
#endif // CAFFE_HDF5_OUTPUT_LAYER_HPP_
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