LibavStreamMetadataExtractor.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 <movie_publisher/metadata_extractor.h>
#include <ros/time.h>
 
struct AVFormatContext;
 
namespace movie_publisher
{
 
struct LibavStreamMetadataPrivate;
 
class LibavStreamMetadataExtractor : public MetadataExtractor
{
public:
  LibavStreamMetadataExtractor(
    const cras::LogHelperPtr& log, const AVFormatContext* avFormatContext, size_t streamIndex);
  ~LibavStreamMetadataExtractor() override;
 
  std::string getName() const override;
  int getPriority() const override;
  cras::optional<std::string> getCameraMake() override;
  cras::optional<std::string> getCameraModel() override;
  cras::optional<ros::Time> getCreationTime() override;
  cras::optional<int> getRotation() override;
  std::pair<cras::optional<sensor_msgs::NavSatFix>, cras::optional<gps_common::GPSFix>> getGNSSPosition() override;
 
private:
  std::unique_ptr<LibavStreamMetadataPrivate> data;  
};
 
struct LibavStreamMetadataExtractorPlugin : MetadataExtractorPlugin
{
  MetadataExtractor::Ptr getExtractor(const MetadataExtractorParams& params) override;
};
 
}