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Diffstat (limited to 'includes/jpeg_metadata_tk/Makernotes/fujifilm.php')
| -rw-r--r-- | includes/jpeg_metadata_tk/Makernotes/fujifilm.php | 344 |
1 files changed, 344 insertions, 0 deletions
diff --git a/includes/jpeg_metadata_tk/Makernotes/fujifilm.php b/includes/jpeg_metadata_tk/Makernotes/fujifilm.php new file mode 100644 index 0000000..5d135cd --- /dev/null +++ b/includes/jpeg_metadata_tk/Makernotes/fujifilm.php @@ -0,0 +1,344 @@ +<?php + +/****************************************************************************** +* +* Filename: fujifilm.php +* +* Description: Fujifilm Makernote Parser +* Provides functions to decode an Fujifilm EXIF makernote and to interpret +* the resulting array into html. +* This Makernote format is also used by one Nikon Camera +* +* Fujifilm Makernote Format: +* +* Field Size Description +* ---------------------------------------------------------------- +* Header 8 Bytes "FUJIFILM" +* IFD Offset 4 Bytes Intel Byte aligned offset to IFD from start of Makernote +* IFD Data Variable NON-Standard IFD Data using Fujifilm Tags +* Offsets are relative to start of makernote +* Byte alignment is always Intel +* ---------------------------------------------------------------- +* +* +* Author: Evan Hunter +* +* Date: 30/7/2004 +* +* Project: JPEG Metadata +* +* Revision: 1.00 +* +* URL: http://electronics.ozhiker.com +* +* Copyright: Copyright Evan Hunter 2004 +* This file may be used freely for non-commercial purposes.For +* commercial uses please contact the author: evan@ozhiker.com +* +******************************************************************************/ + + + +// Add the parser and interpreter functions to the list of Makernote parsers and interpreters. + +$GLOBALS['Makernote_Function_Array']['Read_Makernote_Tag'][] = "get_Fujifilm_Makernote"; +$GLOBALS['Makernote_Function_Array']['get_Makernote_Text_Value'][] = "get_Fujifilm_Text_Value"; +$GLOBALS['Makernote_Function_Array']['Interpret_Makernote_to_HTML'][] = "get_Fujifilm_Makernote_Html"; + + + + + + +/****************************************************************************** +* +* Function: get_Fujifilm_Makernote +* +* Description: Decodes the Makernote tag and returns the new tag with the decoded +* information attached. Returns false if this is not a makernote +* that can be processed with this script +* +* Parameters: Makernote_Tag - the element of an EXIF array containing the +* makernote, as returned from get_EXIF_JPEG +* EXIF_Array - the entire EXIF array containing the +* makernote, as returned from get_EXIF_JPEG, in +* case more information is required for decoding +* filehnd - an open file handle for the file containing the +* makernote - does not have to be positioned at the +* start of the makernote +* Make_Field - The contents of the EXIF Make field, to aid +* determining whether this script can decode +* the makernote +* +* +* Returns: Makernote_Tag - the Makernote_Tag from the parameters, but +* modified to contain the decoded information +* FALSE - If this script could not decode the makernote, or if +* an error occured in decoding +* +******************************************************************************/ + +function get_Fujifilm_Makernote( $Makernote_Tag, $EXIF_Array, $filehnd, $Make_Field ) +{ + + // Check if the Make Field contains the word Fuji or Nikon (One Nikon camera uses this format Makernote) + if ( ( stristr( $Make_Field, "Fuji" ) === FALSE ) && + ( stristr( $Make_Field, "Nikon" ) === FALSE ) ) + { + // Couldn't find Fuji or Nikon in the maker name - abort + return FALSE; + } + + // Check if the header exists at the start of the Makernote + if ( substr( $Makernote_Tag['Data'], 0, 8 ) != "FUJIFILM" ) + { + // This isn't a Fuji Makernote, abort + return FALSE; + } + + // The 4 bytes after the header are the offset to the Fujifilm IFD + // Get the offset of the IFD + $ifd_offset = hexdec( bin2hex( strrev( substr( $Makernote_Tag['Data'], 8, 4 ) ) ) ); + + // Seek to the start of the IFD + fseek($filehnd, $Makernote_Tag['Tiff Offset'] + $Makernote_Tag['Offset'] + $ifd_offset ); + + // Fuji Makernotes are always Intel Byte Aligned + $Makernote_Tag['ByteAlign'] = "II"; + + // Read the IFD(s) into an array + $Makernote_Tag['Decoded Data'] = read_Multiple_IFDs( $filehnd, $Makernote_Tag['Tiff Offset'] + $Makernote_Tag['Offset'], $Makernote_Tag['ByteAlign'], "Fujifilm" ); + + // Save some information into the Tag element to aid interpretation + $Makernote_Tag['Decoded'] = TRUE; + $Makernote_Tag['Makernote Type'] = "Fujifilm"; + $Makernote_Tag['Makernote Tags'] = "Fujifilm"; + + + // Return the new tag + return $Makernote_Tag; + +} + +/****************************************************************************** +* End of Function: get_Fujifilm_Makernote +******************************************************************************/ + + + + + + + + + +/****************************************************************************** +* +* Function: get_Fujifilm_Text_Value +* +* Description: Provides a text value for any tag marked as special for makernotes +* that this script can decode. Returns false if this is not a makernote +* that can be processed with this script +* +* Parameters: Exif_Tag - the element of an the Makernote array containing the +* tag in question, as returned from get_Fujifilm_Makernote +* Tag_Definitions_Name - The name of the Tag Definitions group +* within the global array IFD_Tag_Definitions +* +* +* Returns: output - the text value for the tag +* FALSE - If this script could not decode the makernote, or if +* an error occured in decoding +* +******************************************************************************/ + +function get_Fujifilm_Text_Value( $Exif_Tag, $Tag_Definitions_Name ) +{ + // Check that this tag uses the Fujifilm tag Definitions, otherwise it can't be decoded here + if ( $Tag_Definitions_Name == "Fujifilm" ) + { + // No special Tags at this time + return FALSE; + } + + return FALSE; +} + +/****************************************************************************** +* End of Function: get_Fujifilm_Text_Value +******************************************************************************/ + + + + + + + + + + +/****************************************************************************** +* +* Function: get_Fujifilm_Makernote_Html +* +* Description: Attempts to interpret a makernote into html. Returns false if +* it is not a makernote that can be processed with this script +* +* Parameters: Makernote_Tag - the element of an EXIF array containing the +* makernote, as returned from get_EXIF_JPEG +* filename - the name of the JPEG file being processed ( used +* by scripts which display embedded thumbnails) +* +* +* Returns: output - the html representing the makernote +* FALSE - If this script could not interpret the makernote, or if +* an error occured in decoding +* +******************************************************************************/ + +function get_Fujifilm_Makernote_Html( $Makernote_tag, $filename ) +{ + // Check that this tag uses the Fujifilm tags, otherwise it can't be interpreted here + if ( $Makernote_tag['Makernote Type'] != "Fujifilm" ) + { + // Not Fujifilm tags - can't interpret with this function + return FALSE; + } + + // Interpret the IFD normally + return interpret_IFD( $Makernote_tag['Decoded Data'][0], $filename ); + +} + +/****************************************************************************** +* End of Function: get_Fujifilm_Makernote_Html +******************************************************************************/ + + + + + + + + + + + + + +/****************************************************************************** +* Global Variable: IFD_Tag_Definitions, Fujifilm +* +* Contents: This global variable provides definitions of the known Fujifilm +* Makernote tags, indexed by their tag number. +* +******************************************************************************/ + +$GLOBALS[ "IFD_Tag_Definitions" ]["Fujifilm"] = array( + +0 => array( 'Name' => "Version", + 'Type' => "String" ), + +4096 => array( 'Name' => "Quality", + 'Type' => "String" ), + +4097 => array( 'Name' => "Sharpness", + 'Type' => "Lookup", + 1 => "Softest", + 2 => "Soft", + 3 => "Normal", + 4 => "Hard", + 5 => "Hardest" ), + +4098 => array( 'Name' => "White Balance", + 'Type' => "Lookup", + 0 => "Auto", + 256 => "Daylight", + 512 => "Cloudy", + 768 => "DaylightColour-fluorescence", + 769 => "DaywhiteColour-fluorescence", + 770 => "White-fluorescence", + 1024 => "Incandenscense", + 3840 => "Custom white balance" ), + +4099 => array( 'Name' => "Colour Saturation", + 'Type' => "Lookup", + 0 => "Normal", + 256 => "High", + 512 => "Low" ), + +4100 => array( 'Name' => "Tone (Contrast)", + 'Type' => "Lookup", + 0 => "Normal", + 256 => "High", + 512 => "Low" ), + +4112 => array( 'Name' => "Flash Mode", + 'Type' => "Lookup", + 0 => "Auto", + 1 => "On", + 2 => "Off", + 3 => "Red-eye Reduction" ), + +4113 => array( 'Name' => "Flash Strength", + 'Type' => "Numeric", + 'Units' => "EV" ), + +4128 => array( 'Name' => "Macro", + 'Type' => "Lookup", + 0 => "Off", + 1 => "On" ), + +4129 => array( 'Name' => "Focus Mode", + 'Type' => "Lookup", + 0 => "Auto Focus", + 1 => "Manual Focus" ), + +4144 => array( 'Name' => "Slow Sync", + 'Type' => "Lookup", + 0 => "Off", + 1 => "On" ), + +4145 => array( 'Name' => "Picture Mode", + 'Type' => "Lookup", + 0 => "Auto", + 1 => "Portrait Scene", + 2 => "Landscape Scene", + 4 => "Sports Scene", + 5 => "Night Scene", + 6 => "Program AE", + 256 => "Aperture priority AE", + 512 => "Shutter priority AE", + 768 => "Manual Exposure" ), + +4352 => array( 'Name' => "Continuous taking or auto bracketing mode", + 'Type' => "Lookup", + 0 => "Off", + 1 => "On" ), + +4864 => array( 'Name' => "Blur Warning", + 'Type' => "Lookup", + 0 => "No Blur Warning", + 1 => "Blur Warning" ), + +4865 => array( 'Name' => "Focus warning", + 'Type' => "Lookup", + 0 => "Auto Focus Good", + 1 => "Out of Focus" ), + +4866 => array( 'Name' => "Auto Exposure Warning", + 'Type' => "Lookup", + 0 => "Auto Exposure Good", + 1 => "Over exposure (>1/1000s,F11)" ) + +); + +/****************************************************************************** +* End of Global Variable: IFD_Tag_Definitions, Fujifilm +******************************************************************************/ + + + + + +?> |