LibexifMetadataExtractor.h

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// SPDX-License-Identifier: BSD-3-Clause
// SPDX-FileCopyrightText: Czech Technical University in Prague
 
#pragma once
 
#include <memory>
#include <string>
 
#include <cras_cpp_common/optional.hpp>
#include <cras_cpp_common/log_utils.h>
#include <movie_publisher/metadata_manager.h>
#include <movie_publisher/metadata/ExifBaseMetadataExtractor.h>
 
namespace movie_publisher
{
 
struct LibexifMetadataPrivate;
 
class LibexifMetadataExtractor : public ExifBaseMetadataExtractor
{
public:
  LibexifMetadataExtractor(
    const cras::LogHelperPtr& log, const std::weak_ptr<MetadataManager>& manager,
    const std::string& filename, size_t width, size_t height);
  ~LibexifMetadataExtractor() override;
 
  std::string getName() const override;
  int getPriority() const override;
 
protected:
  cras::optional<ExifData<ExifAscii>> getExifMake() override;
  cras::optional<ExifData<ExifAscii>> getExifModel() override;
  cras::optional<ExifData<ExifAscii>> getExifLensMake() override;
  cras::optional<ExifData<ExifAscii>> getExifLensModel() override;
  cras::optional<ExifData<ExifAscii>> getExifBodySerialNumber() override;
  cras::optional<ExifData<ExifAscii>> getExifLensSerialNumber() override;
  cras::optional<ExifData<ExifAscii>> getExifDateTimeOriginal() override;
  cras::optional<ExifData<ExifAscii>> getExifOffsetTimeOriginal() override;
  cras::optional<ExifData<ExifAscii>> getExifSubSecTimeOriginal() override;
  cras::optional<ExifData<ExifShort>> getExifOrientation() override;
  cras::optional<ExifData<ExifRational>> getExifFocalPlaneXRes() override;
  cras::optional<ExifData<ExifRational>> getExifFocalPlaneYRes() override;
  cras::optional<ExifData<ExifShort>> getExifFocalPlaneResUnit() override;
  cras::optional<ExifData<ExifShort>> getExifResUnit() override;
  cras::optional<ExifData<ExifShort>> getExifFocalLength35MM() override;
  cras::optional<ExifData<ExifRational>> getExifFocalLength() override;
  cras::optional<ExifData<ExifAscii>> getExifGpsLatRef() override;
  cras::optional<ExifData<ExifRational>> getExifGpsLat(size_t n) override;
  cras::optional<ExifData<ExifAscii>> getExifGpsLonRef() override;
  cras::optional<ExifData<ExifRational>> getExifGpsLon(size_t n) override;
  cras::optional<ExifData<ExifByte>> getExifGpsAltRef() override;
  cras::optional<ExifData<ExifRational>> getExifGpsAlt() override;
  cras::optional<ExifData<ExifAscii>> getExifGpsMeasureMode() override;
  cras::optional<ExifData<ExifRational>> getExifGpsDOP() override;
  cras::optional<ExifData<ExifAscii>> getExifGpsSpeedRef() override;
  cras::optional<ExifData<ExifRational>> getExifGpsSpeed() override;
  cras::optional<ExifData<ExifAscii>> getExifGpsTrackRef() override;
  cras::optional<ExifData<ExifRational>> getExifGpsTrack() override;
  cras::optional<ExifData<ExifRational>> getExifGpsTimeStamp(size_t n) override;
  cras::optional<ExifData<ExifAscii>> getExifGpsDateStamp() override;
  cras::optional<ExifData<ExifShort>> getExifGpsDifferential() override;
  cras::optional<ExifData<ExifRational>> getExifGpsHPositioningError() override;
  cras::optional<ExifData<ExifAscii>> getExifGpsImgDirectionRef() override;
  cras::optional<ExifData<ExifRational>> getExifGpsImgDirection() override;
  cras::optional<ExifData<ExifSRational>> getExifAcceleration(size_t n) override;
  cras::optional<ExifData<ExifSRational>> getExifRollAngle() override;
  cras::optional<ExifData<ExifSRational>> getExifPitchAngle() override;
 
private:
  std::unique_ptr<LibexifMetadataPrivate> data;
};
 
struct LibexifMetadataExtractorPlugin : MetadataExtractorPlugin
{
  MetadataExtractor::Ptr getExtractor(const MetadataExtractorParams& params) override;
};
 
}