filmout_display/include/dpx.hpp

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#ifndef DPX_HPP
#define DPX_HPP
#include <opencv2/opencv.hpp>
#include <string>
#include <fstream>
#include <vector>
#include <stdexcept>
using namespace std;
using namespace cv;
class DPX {
public:
DPX();
bool read(const string& filename);
Mat getMat() const;
Mat getMatBitDepth(int targetBitDepth) const;
int getWidth() const;
int getHeight() const;
int getBitDepth() const;
private:
struct DPXHeader {
uint32_t magic; // Magic number (0x53445058 "SDPX" or 0x58504453 "XPDS")
uint32_t imageOffset; // Offset to image data
uint16_t width;
uint16_t height;
uint8_t descriptor; // Image descriptor
uint8_t bitDepth; // Bits per component
uint8_t imageElements; // Number of image elements
bool isBigEndian; // File endianness
};
DPXHeader header;
Mat image;
bool readHeader(ifstream& file);
void readImageData(ifstream& file);
uint32_t swapEndian(uint32_t value);
uint16_t swapEndian(uint16_t value);
};
#endif
/* Example usage
int main() {
try {
DPX dpx;
dpx.read("image.dpx");
// Get the original 16-bit Mat
Mat mat16 = dpx.getMat();
// Get 8-bit version
Mat mat8 = dpx.getMatBitDepth(8);
return 0;
}
catch (const exception& e) {
cerr << "Error: " << e.what() << endl;
return 1;
}
}*/