Display Filter Reference: JPEG File Interchange Format

Protocol field name: image-jfif

Versions: 1.0.0 to 3.6.5

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Field name Description Type Versions
image-jfif.app0-identifier-not-jfif Initial App0 segment with "JFIF" Identifier not found Label 2.0.0 to 3.6.5
image-jfif.comment Comment Character string 2.0.0 to 3.6.5
image-jfif.endianness Endianness Unsigned integer, 2 bytes 2.0.0 to 3.6.5
image-jfif.entropy_coded_segment Entropy-coded segment (dissection is not yet implemented) Sequence of bytes 2.0.0 to 3.6.5
image-jfif.exif_flashpix_marker Exif FlashPix APP2 application marker Label 2.0.0 to 3.6.5
image-jfif.extension.code Extension code Unsigned integer, 1 byte 1.0.0 to 3.6.5
image-jfif.fill_bytes Fill bytes Sequence of bytes 2.0.0 to 3.6.5
image-jfif.header.comment Comment header Label 2.0.0 to 3.6.5
image-jfif.header.sos Start of Segment header Label 1.0.0 to 3.6.5
image-jfif.identifier Identifier Character string 1.0.0 to 3.6.5
image-jfif.ifd.count Count Unsigned integer, 4 bytes 2.0.0 to 3.6.5
image-jfif.ifd.num_fields Number of fields in this IFD Unsigned integer, 2 bytes 2.0.0 to 3.6.5
image-jfif.ifd.offset Value offset from start of TIFF header Unsigned integer, 4 bytes 2.0.0 to 3.6.5
image-jfif.ifd.tag Exif Tag Unsigned integer, 2 bytes 2.0.0 to 3.6.5
image-jfif.ifd.type Type Unsigned integer, 2 bytes 2.0.0 to 3.6.5
image-jfif.length Length Unsigned integer, 2 bytes 1.0.0 to 3.6.5
image-jfif.marker Marker Unsigned integer, 1 byte 1.0.0 to 3.6.5
image-jfif.marker_segment Marker segment Label 1.8.0 to 3.6.5
image-jfif.next_ifd_offset Offset to next IFD from start of TIFF header Unsigned integer, 4 bytes 2.0.0 to 3.6.5
image-jfif.next_ifd_offset.invalid Invalid value Label 2.0.0 to 3.6.5
image-jfif.remain_seg_data Remaining segment data Sequence of bytes 2.0.0 to 3.6.5
image-jfif.RGB RGB values of thumbnail pixels Sequence of bytes 1.0.0 to 3.6.5
image-jfif.skipped_tiff_data Skipped data between end of TIFF header and start of IFD Sequence of bytes 2.0.0 to 3.6.5
image-jfif.sof Start of Frame header Label 1.0.0 to 3.6.5
image-jfif.sof.c_i Component identifier Unsigned integer, 1 byte 1.0.0 to 3.6.5
image-jfif.sof.h_i Horizontal sampling factor Unsigned integer, 1 byte 1.0.0 to 3.6.5
image-jfif.sof.lines Lines Unsigned integer, 2 bytes 1.0.0 to 3.6.5
image-jfif.sof.nf Number of image components in frame Unsigned integer, 1 byte 1.0.0 to 3.6.5
image-jfif.sof.precision Sample Precision (bits) Unsigned integer, 1 byte 1.0.0 to 3.6.5
image-jfif.sof.samples_per_line Samples per line Unsigned integer, 2 bytes 1.0.0 to 3.6.5
image-jfif.sof.tq_i Quantization table destination selector Unsigned integer, 1 byte 1.0.0 to 3.6.5
image-jfif.sof.v_i Vertical sampling factor Unsigned integer, 1 byte 1.0.0 to 3.6.5
image-jfif.sos.ac_entropy_selector AC entropy coding table destination selector Unsigned integer, 1 byte 1.0.0 to 3.6.5
image-jfif.sos.ah Successive approximation bit position high Unsigned integer, 1 byte 1.0.0 to 3.6.5
image-jfif.sos.al Successive approximation bit position low or point transform Unsigned integer, 1 byte 1.0.0 to 3.6.5
image-jfif.sos.component_selector Scan component selector Unsigned integer, 1 byte 1.0.0 to 3.6.5
image-jfif.sos.dc_entropy_selector DC entropy coding table destination selector Unsigned integer, 1 byte 1.0.0 to 3.6.5
image-jfif.sos.ns Number of image components in scan Unsigned integer, 1 byte 1.0.0 to 3.6.5
image-jfif.sos.se End of spectral selection Unsigned integer, 1 byte 1.0.0 to 3.6.5
image-jfif.sos.ss Start of spectral or predictor selection Unsigned integer, 1 byte 1.0.0 to 3.6.5
image-jfif.start_ifd_offset Start offset of IFD starting from the TIFF header start Unsigned integer, 4 bytes 2.0.0 to 3.6.5
image-jfif.start_ifd_offset.invalid Invalid value Label 2.0.0 to 3.6.5
image-jfif.units Units Unsigned integer, 1 byte 1.0.0 to 3.6.5
image-jfif.version Version Label 1.0.0 to 3.6.5
image-jfif.version.major Major Version Unsigned integer, 1 byte 1.0.0 to 3.6.5
image-jfif.version.minor Minor Version Unsigned integer, 1 byte 1.0.0 to 3.6.5
image-jfif.Xdensity Xdensity Unsigned integer, 2 bytes 1.0.0 to 3.6.5
image-jfif.Xthumbnail Xthumbnail Unsigned integer, 2 bytes 1.0.0 to 3.6.5
image-jfif.Ydensity Ydensity Unsigned integer, 2 bytes 1.0.0 to 3.6.5
image-jfif.Ythumbnail Ythumbnail Unsigned integer, 2 bytes 1.0.0 to 3.6.5
image-jfifmarker_segment Marker segment Label 1.0.0 to 1.6.16