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Display Filter Reference: JPEG File Interchange Format
Protocol field name: image-jfif
Versions: 1.0.0 to 1.6.5
Back to Display Filter Reference
| Field name | Type | Description | Versions |
|---|---|---|---|
| image-jfif.extension.code | Unsigned integer, 1 byte | Extension code | 1.0.0 to 1.6.5 |
| image-jfif.header.sos | Label | Start of Segment header | 1.0.0 to 1.6.5 |
| image-jfif.identifier | Character string | Identifier | 1.0.0 to 1.6.5 |
| image-jfif.length | Unsigned integer, 2 bytes | Length | 1.0.0 to 1.6.5 |
| image-jfif.marker | Unsigned integer, 1 byte | Marker | 1.0.0 to 1.6.5 |
| image-jfif.RGB | Sequence of bytes | RGB values of thumbnail pixels | 1.0.0 to 1.6.5 |
| image-jfif.sof | Label | Start of Frame header | 1.0.0 to 1.6.5 |
| image-jfif.sof.c_i | Unsigned integer, 1 byte | Component identifier | 1.0.0 to 1.6.5 |
| image-jfif.sof.h_i | Unsigned integer, 1 byte | Horizontal sampling factor | 1.0.0 to 1.6.5 |
| image-jfif.sof.lines | Unsigned integer, 2 bytes | Lines | 1.0.0 to 1.6.5 |
| image-jfif.sof.nf | Unsigned integer, 1 byte | Number of image components in frame | 1.0.0 to 1.6.5 |
| image-jfif.sof.precision | Unsigned integer, 1 byte | Sample Precision (bits) | 1.0.0 to 1.6.5 |
| image-jfif.sof.samples_per_line | Unsigned integer, 2 bytes | Samples per line | 1.0.0 to 1.6.5 |
| image-jfif.sof.tq_i | Unsigned integer, 1 byte | Quantization table destination selector | 1.0.0 to 1.6.5 |
| image-jfif.sof.v_i | Unsigned integer, 1 byte | Vertical sampling factor | 1.0.0 to 1.6.5 |
| image-jfif.sos.ac_entropy_selector | Unsigned integer, 1 byte | AC entropy coding table destination selector | 1.0.0 to 1.6.5 |
| image-jfif.sos.ah | Unsigned integer, 1 byte | Successive approximation bit position high | 1.0.0 to 1.6.5 |
| image-jfif.sos.al | Unsigned integer, 1 byte | Successive approximation bit position low or point transform | 1.0.0 to 1.6.5 |
| image-jfif.sos.component_selector | Unsigned integer, 1 byte | Scan component selector | 1.0.0 to 1.6.5 |
| image-jfif.sos.dc_entropy_selector | Unsigned integer, 1 byte | DC entropy coding table destination selector | 1.0.0 to 1.6.5 |
| image-jfif.sos.ns | Unsigned integer, 1 byte | Number of image components in scan | 1.0.0 to 1.6.5 |
| image-jfif.sos.se | Unsigned integer, 1 byte | End of spectral selection | 1.0.0 to 1.6.5 |
| image-jfif.sos.ss | Unsigned integer, 1 byte | Start of spectral or predictor selection | 1.0.0 to 1.6.5 |
| image-jfif.units | Unsigned integer, 1 byte | Units | 1.0.0 to 1.6.5 |
| image-jfif.version | Label | Version | 1.0.0 to 1.6.5 |
| image-jfif.version.major | Unsigned integer, 1 byte | Major Version | 1.0.0 to 1.6.5 |
| image-jfif.version.minor | Unsigned integer, 1 byte | Minor Version | 1.0.0 to 1.6.5 |
| image-jfif.Xdensity | Unsigned integer, 2 bytes | Xdensity | 1.0.0 to 1.6.5 |
| image-jfif.Xthumbnail | Unsigned integer, 2 bytes | Xthumbnail | 1.0.0 to 1.6.5 |
| image-jfif.Ydensity | Unsigned integer, 2 bytes | Ydensity | 1.0.0 to 1.6.5 |
| image-jfif.Ythumbnail | Unsigned integer, 2 bytes | Ythumbnail | 1.0.0 to 1.6.5 |
| image-jfifmarker_segment | Label | Marker segment | 1.0.0 to 1.6.5 |