jpegxsbitstream.h

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#pragma once
 
 
#include <promeki/config.h>
#if PROMEKI_ENABLE_PROAV
#include <cstdint>
#include <promeki/namespace.h>
#include <promeki/bufferview.h>
#include <promeki/error.h>
#include <promeki/pixelformat.h>
 
PROMEKI_NAMESPACE_BEGIN
 
class JpegXsBitstream {
        public:
                enum Marker : uint16_t {
                        MarkerSoc = 0xFF10, 
                        MarkerEoc = 0xFF11, 
                        MarkerPih = 0xFF12, 
                        MarkerCdt = 0xFF13, 
                        MarkerWgt = 0xFF14, 
                        MarkerCom = 0xFF15, 
                        MarkerNlt = 0xFF16, 
                        MarkerCwd = 0xFF17, 
                        MarkerCts = 0xFF18, 
                        MarkerCrg = 0xFF19, 
                        MarkerCap = 0xFF50, 
                };
 
                struct PictureInfo {
                                uint16_t width = 0;
                                uint16_t height = 0;
                                uint8_t  numComponents = 0;
                                uint8_t  bitDepth = 0;                   
                                uint16_t profile = 0;                    
                                uint16_t level = 0;                      
                                uint8_t  hSubsampling[4] = {1, 1, 1, 1}; 
                                uint8_t  vSubsampling[4] = {1, 1, 1, 1}; 
                                uint8_t  perComponentBitDepth[4] = {0, 0, 0, 0}; 
                                bool     hasCdt = false; 
                };
 
                static Error parsePictureHeader(const BufferView &view, PictureInfo &out);
 
                static PixelFormat::ID pixelFormatFor(const PictureInfo &info);
};
 
PROMEKI_NAMESPACE_END
 
#endif // PROMEKI_ENABLE_PROAV