2007-10-30 12:49:04 +00:00
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/*
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* GStreamer
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* Copyright 2007 Edgard Lima <edgard.lima@indt.org.br>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Alternatively, the contents of this file may be used under the
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* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
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* which case the following provisions apply instead of the ones
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* mentioned above:
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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2008-01-25 17:45:28 +00:00
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/*
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* SECTION: metadatatags
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* @short_description: This module contains has tag definitions to be mapped
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* to EXIF, IPTC and XMP tags.
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*
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* This module register tags need for image metadata but aren't already define
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* in GStreamer base. So, the EXIF, IPTC and XMP tags can be mapped to tags
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* not registered in this file (tags already in GST base)
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*
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2008-01-31 21:55:44 +00:00
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* When changing this file, update 'metadata_mapping.htm' file too.
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*
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2008-01-25 17:45:28 +00:00
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* Last reviewed on 2008-01-24 (0.10.15)
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*/
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/*
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* includes
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*/
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2007-11-28 08:13:52 +00:00
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#include "metadatatags.h"
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2007-10-30 12:49:04 +00:00
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2008-01-25 17:45:28 +00:00
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/*
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* static helper functions declaration
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*/
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static void metadata_tags_exif_register (void);
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static void metadata_tags_iptc_register (void);
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static void metadata_tags_xmp_register (void);
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/*
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* extern functions implementations
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*/
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void
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metadata_tags_register (void)
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{
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/* whole chunk tags */
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gst_tag_register (GST_TAG_EXIF, GST_TAG_FLAG_META,
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GST_TYPE_BUFFER, GST_TAG_EXIF, "exif metadata chunk", NULL);
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gst_tag_register (GST_TAG_IPTC, GST_TAG_FLAG_META,
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GST_TYPE_BUFFER, GST_TAG_IPTC, "iptc metadata chunk", NULL);
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gst_tag_register (GST_TAG_XMP, GST_TAG_FLAG_META,
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GST_TYPE_BUFFER, GST_TAG_XMP, "xmp metadata chunk", NULL);
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/* tags related to some metadata */
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metadata_tags_exif_register ();
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metadata_tags_iptc_register ();
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metadata_tags_xmp_register ();
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}
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/*
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* static helper functions implementation
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*/
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2007-11-28 08:13:52 +00:00
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/*
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* EXIF tags
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*/
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static void
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metadata_tags_exif_register (void)
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{
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2007-11-01 16:04:29 +00:00
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2008-01-31 21:55:44 +00:00
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/* capture tags */
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2007-12-05 17:00:59 +00:00
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2008-02-05 17:10:11 +00:00
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gst_tag_register (GST_TAG_CAPTURE_APERTURE, GST_TAG_FLAG_META,
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GST_TYPE_FRACTION, GST_TAG_CAPTURE_APERTURE,
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"Aperture (in APEX units)", NULL);
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2008-01-31 21:55:44 +00:00
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/* The unit is the APEX value.
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Ordinarily it is given in the range of -99.99 to 99.99.
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if numerator is 0xFFFFFFFF means unknown
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*/
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gst_tag_register (GST_TAG_CAPTURE_BRIGHTNESS, GST_TAG_FLAG_META,
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GST_TYPE_FRACTION, GST_TAG_CAPTURE_BRIGHTNESS,
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"Brightness (APEX from -99.99 to 99.99)", NULL);
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2007-12-05 17:00:59 +00:00
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2008-02-07 13:59:41 +00:00
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/*
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* 1- sRGB
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* 0xFFFF - Uncalibrated
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*/
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gst_tag_register (GST_TAG_CAPTURE_COLOR_SPACE, GST_TAG_FLAG_META,
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G_TYPE_UINT, GST_TAG_CAPTURE_COLOR_SPACE, "Color Space", NULL);
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2008-01-31 21:55:44 +00:00
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/*
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from -100 to 100
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[-100, -34] - soft
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[-33, 33] - normal
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[34, 100] - hard
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*** exif is just 0, 1, 2 (normal, soft and hard)
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*/
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gst_tag_register (GST_TAG_CAPTURE_CONTRAST, GST_TAG_FLAG_META, G_TYPE_INT,
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2008-02-07 13:59:41 +00:00
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GST_TAG_CAPTURE_CONTRAST, "Contrast", NULL);
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2007-12-05 17:00:59 +00:00
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2008-02-05 17:10:11 +00:00
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/*
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* 0- Normal process
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* 1- Custom process
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*/
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gst_tag_register (GST_TAG_CAPTURE_CUSTOM_RENDERED, GST_TAG_FLAG_META,
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G_TYPE_UINT, GST_TAG_CAPTURE_CUSTOM_RENDERED,
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"Indicates the use of special processing on image data", NULL);
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2008-01-31 21:55:44 +00:00
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/* if Zero ZOOM not used
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*/
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gst_tag_register (GST_TAG_CAPTURE_DIGITAL_ZOOM, GST_TAG_FLAG_META,
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GST_TYPE_FRACTION, GST_TAG_CAPTURE_DIGITAL_ZOOM, "Digital zoom ratio",
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2007-12-05 17:00:59 +00:00
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NULL);
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2008-01-31 21:55:44 +00:00
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2008-02-07 13:59:41 +00:00
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/*
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* 0 - Auto exposure
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* 1 - Manual exposure
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* 2 - Auto bracket (the camera shoots a series of frames of the same scene
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* at different exposure settings)
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*/
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gst_tag_register (GST_TAG_CAPTURE_EXPOSURE_MODE, GST_TAG_FLAG_META,
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G_TYPE_UINT, GST_TAG_CAPTURE_EXPOSURE_MODE, "Exposure Mode", NULL);
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2008-01-23 16:35:34 +00:00
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/*
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0 - not defined
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1- Manual
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2- Normal program
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3- Aperture priority
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4- Shutter priority
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5- Creative program (biased toward death of field)
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6- Action program (biased toward fast shutter speed)
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7- Portrait mode (for closeup photos with the background out of focus)
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8- Landscape mode (for landscape photos with the background in focus)
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*** exif is until here ***
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9- Night
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10- Back-light
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11- Spotlight
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12- Snow
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13- Beach
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*/
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2007-12-05 17:00:59 +00:00
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gst_tag_register (GST_TAG_CAPTURE_EXPOSURE_PROGRAM, GST_TAG_FLAG_META,
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G_TYPE_UINT, GST_TAG_CAPTURE_EXPOSURE_PROGRAM,
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"Class of program used for exposure", NULL);
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2008-01-31 21:55:44 +00:00
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gst_tag_register (GST_TAG_CAPTURE_EXPOSURE_TIME, GST_TAG_FLAG_META,
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GST_TYPE_FRACTION, GST_TAG_CAPTURE_EXPOSURE_TIME,
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"Exposure time in seconds", NULL);
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2008-02-02 20:22:19 +00:00
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/*
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* bits (76543210) indicating the flash status:
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* 0- Flash firing
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* 0- Flash did not fire
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* 1- Flash fired
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* 1,2- Flash return
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* 00- No strobe return detection function
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* 01- reserved
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* 10- Strobe return light not detected
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* 11- Strobe return light detected.
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* 3,4- Flash mode
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* 00- unknown
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* 01- Compulsory flash firing
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* 10- Compulsory flash suppression
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* 11- Auto mode
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* 5- if flash function is present
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* 0- Flash function present
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* 1- No flash function
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* 6- Red-eye mode
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* 0- No red-eye reduction mode or unknown
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* 1- Red-eye reduction supported
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* So, we have the following possible values:
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*
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* 0000.H = Flash did not fire.
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* 0001.H = Flash fired.
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* 0005.H = Strobe return light not detected.
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* 0007.H = Strobe return light detected.
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* 0009.H = Flash fired, compulsory flash mode
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* 000D.H = Flash fired, compulsory flash mode, return light not detected
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* 000F.H = Flash fired, compulsory flash mode, return light detected
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* 0010.H = Flash did not fire, compulsory flash mode
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* 0018.H = Flash did not fire, auto mode
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* 0019.H = Flash fired, auto mode
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* 001D.H = Flash fired, auto mode, return light not detected
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* 001F.H = Flash fired, auto mode, return light detected
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* 0020.H = No flash function
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* 0041.H = Flash fired, red-eye reduction mode
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* 0045.H = Flash fired, red-eye reduction mode, return light not detected
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* 0047.H = Flash fired, red-eye reduction mode, return light detected
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* 0049.H = Flash fired, compulsory flash mode, red-eye reduction mode
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* 004D.H = Flash fired, compulsory flash mode, red-eye reduction mode,
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* return light not detected
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* 004F.H = Flash fired, compulsory flash mode, red-eye reduction mode,
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* return light detected
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* 0059.H = Flash fired, auto mode, red-eye reduction mode
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* 005D.H = Flash fired, auto mode, return light not detected,
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* red-eye reduction mode
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* 005F.H = Flash fired, auto mode, return light detected,
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* red-eye reduction mode
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* Other = reserved
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*/
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gst_tag_register (GST_TAG_CAPTURE_FLASH, GST_TAG_FLAG_META,
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G_TYPE_UINT, GST_TAG_CAPTURE_FLASH, "Flash status", NULL);
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2008-01-31 21:55:44 +00:00
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gst_tag_register (GST_TAG_CAPTURE_FNUMBER, GST_TAG_FLAG_META,
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GST_TYPE_FRACTION, GST_TAG_CAPTURE_FNUMBER, "F number (focal ratio)",
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2007-12-14 18:18:37 +00:00
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NULL);
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2008-01-31 21:55:44 +00:00
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2008-02-02 20:22:19 +00:00
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gst_tag_register (GST_TAG_CAPTURE_FOCAL_LEN, GST_TAG_FLAG_META,
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GST_TYPE_FRACTION, GST_TAG_CAPTURE_FOCAL_LEN,
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"Focal length of lens used to take image. Unit is millimeter", NULL);
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2008-01-23 16:35:34 +00:00
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/*
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2007-12-05 17:00:59 +00:00
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0- None
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1- Low gain up
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2- High gain up
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3- Low gain down
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4- High gain down
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2008-01-23 16:35:34 +00:00
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*/
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2007-12-05 17:00:59 +00:00
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gst_tag_register (GST_TAG_CAPTURE_GAIN, GST_TAG_FLAG_META, G_TYPE_UINT,
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GST_TAG_CAPTURE_GAIN, "", NULL);
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2008-01-31 21:55:44 +00:00
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2008-02-02 20:22:19 +00:00
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gst_tag_register (GST_TAG_CAPTURE_ISO_SPEED_RATINGS, GST_TAG_FLAG_META,
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G_TYPE_INT, GST_TAG_CAPTURE_ISO_SPEED_RATINGS,
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"ISO Speed and ISO Latitude as specified in ISO 12232", NULL);
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/*
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0- unknown (default)
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1- Daylight
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2- Fluorescent
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3- Tungsten (incandescent light)
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4- Flash
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9- Fine weather
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10- Cloudy weather
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11- Shade
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12- Daylight fluorescent (D 5700 %G–%@ 7100K)
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13- Day white fluorescent (N 4600 %G–%@ 5400K)
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14- Cool white fluorescent (W 3900 %G–%@ 4500K)
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15- White fluorescent (WW 3200 %G–%@ 3700K)
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17- Standard light A
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18- Standard light B
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19- Standard light C
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20- D55
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21- D65
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22- D75
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23- D50
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|
|
24- ISO studio tungsten
|
|
|
|
|
255- other light source
|
|
|
|
|
Other = reserved
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
gst_tag_register (GST_TAG_CAPTURE_LIGHT_SOURCE, GST_TAG_FLAG_META,
|
|
|
|
|
G_TYPE_UINT, GST_TAG_CAPTURE_LIGHT_SOURCE,
|
|
|
|
|
"The kind of light source.", NULL);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* The relation of the '0th row' and '0th column' to visual position:
|
|
|
|
|
* 1- top-left
|
|
|
|
|
* 2- top-right
|
|
|
|
|
* 3- bottom-right
|
|
|
|
|
* 4- bottom-left
|
|
|
|
|
* 5- left-top
|
|
|
|
|
* 6- right-top
|
|
|
|
|
* 7- right-bottom
|
|
|
|
|
* 8- left-bottom
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
gst_tag_register (GST_TAG_CAPTURE_ORIENTATION, GST_TAG_FLAG_META,
|
|
|
|
|
G_TYPE_UINT, GST_TAG_CAPTURE_ORIENTATION,
|
|
|
|
|
"The kind of light source.", NULL);
|
|
|
|
|
|
2008-01-23 16:35:34 +00:00
|
|
|
|
/*
|
2007-12-05 17:00:59 +00:00
|
|
|
|
from -100 to 100
|
2007-12-13 12:45:06 +00:00
|
|
|
|
[-100, -34] - low
|
|
|
|
|
[-33, 33] - normal
|
|
|
|
|
[34, 100] - high
|
2007-12-05 17:00:59 +00:00
|
|
|
|
*** exif is just 0, 1, 2 (normal, low and high)
|
2008-01-23 16:35:34 +00:00
|
|
|
|
*/
|
2007-12-05 17:00:59 +00:00
|
|
|
|
gst_tag_register (GST_TAG_CAPTURE_SATURATION, GST_TAG_FLAG_META, G_TYPE_INT,
|
2008-02-05 17:10:11 +00:00
|
|
|
|
GST_TAG_CAPTURE_SATURATION, "The saturation", NULL);
|
|
|
|
|
|
2008-02-07 13:59:41 +00:00
|
|
|
|
/*
|
|
|
|
|
* 0 - Standard
|
|
|
|
|
* 1 - Landscape
|
|
|
|
|
* 2 - Portrait
|
|
|
|
|
* 3 - Night scene
|
|
|
|
|
*/
|
|
|
|
|
gst_tag_register (GST_TAG_CAPTURE_SCENE_CAPTURE_TYPE, GST_TAG_FLAG_META,
|
|
|
|
|
G_TYPE_UINT, GST_TAG_CAPTURE_SCENE_CAPTURE_TYPE, "Scene Type", NULL);
|
|
|
|
|
|
2008-02-05 17:10:11 +00:00
|
|
|
|
gst_tag_register (GST_TAG_CAPTURE_SHUTTER_SPEED, GST_TAG_FLAG_META,
|
|
|
|
|
GST_TYPE_FRACTION, GST_TAG_CAPTURE_SHUTTER_SPEED, "Shutter speed (APEX)",
|
|
|
|
|
NULL);
|
2007-12-05 17:00:59 +00:00
|
|
|
|
|
2008-01-31 21:55:44 +00:00
|
|
|
|
/*
|
|
|
|
|
0- Auto
|
|
|
|
|
1- Off
|
|
|
|
|
*** exif is until here ***
|
|
|
|
|
2- Sunlight
|
|
|
|
|
3- Cloudy
|
|
|
|
|
4- Shade
|
|
|
|
|
5- Tungsten
|
|
|
|
|
6- Fluorescent
|
|
|
|
|
7- Incandescent
|
|
|
|
|
8- Flash
|
|
|
|
|
9- Horizon (sun on the horizon)
|
|
|
|
|
*/
|
|
|
|
|
gst_tag_register (GST_TAG_CAPTURE_WHITE_BALANCE, GST_TAG_FLAG_META,
|
|
|
|
|
G_TYPE_UINT, GST_TAG_CAPTURE_WHITE_BALANCE, "White balance mode", NULL);
|
|
|
|
|
|
|
|
|
|
/* generic tags */
|
|
|
|
|
|
|
|
|
|
gst_tag_register (GST_TAG_CREATOR_TOOL, GST_TAG_FLAG_META, G_TYPE_STRING,
|
|
|
|
|
GST_TAG_CREATOR_TOOL,
|
|
|
|
|
"The name of the first known tool used to create the resource."
|
|
|
|
|
" Or firmware or driver version of device", NULL);
|
|
|
|
|
|
2008-02-28 10:41:56 +00:00
|
|
|
|
/* date and time tags */
|
|
|
|
|
/* formated as subset of ISO RFC 8601 as described in
|
|
|
|
|
* http://www.w3.org/TR/1998/NOTE-datetime-19980827
|
|
|
|
|
* which is:
|
|
|
|
|
* YYYY
|
|
|
|
|
* YYYY-MM
|
|
|
|
|
* YYYY-MM-DD
|
|
|
|
|
* YYYY-MM-DDThh:mmTZD
|
|
|
|
|
* YYYY-MM-DDThh:mm:ssTZD
|
|
|
|
|
* YYYY-MM-DDThh:mm:ss.sTZD
|
|
|
|
|
* where:
|
|
|
|
|
* YYYY = four-digit year
|
|
|
|
|
* MM = two-digit month (01=January)
|
|
|
|
|
* DD = two-digit day of month (01 through 31)
|
|
|
|
|
* hh = two digits of hour (00 through 23)
|
|
|
|
|
* mm = two digits of minute (00 through 59)
|
|
|
|
|
* ss = two digits of second (00 through 59)
|
|
|
|
|
* s = one or more digits representing a decimal fraction of a second
|
|
|
|
|
* TZD = time zone designator (Z or +hh:mm or -hh:mm)
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
gst_tag_register (GST_TAG_DATE_TIME_DIGITIZED, GST_TAG_FLAG_META,
|
|
|
|
|
G_TYPE_STRING, GST_TAG_DATE_TIME_DIGITIZED,
|
|
|
|
|
"Date/Time of image digitized", NULL);
|
|
|
|
|
|
|
|
|
|
gst_tag_register (GST_TAG_DATE_TIME_MODIFIED, GST_TAG_FLAG_META,
|
|
|
|
|
G_TYPE_STRING, GST_TAG_DATE_TIME_MODIFIED,
|
|
|
|
|
"Date/Time of image was last modified", NULL);
|
|
|
|
|
|
|
|
|
|
gst_tag_register (GST_TAG_DATE_TIME_ORIGINAL, GST_TAG_FLAG_META,
|
|
|
|
|
G_TYPE_STRING, GST_TAG_DATE_TIME_ORIGINAL,
|
|
|
|
|
"Date/Time of original image taken", NULL);
|
|
|
|
|
|
2008-01-31 21:55:44 +00:00
|
|
|
|
/* devices tags */
|
|
|
|
|
|
|
|
|
|
gst_tag_register (GST_TAG_DEVICE_MAKE, GST_TAG_FLAG_META,
|
|
|
|
|
G_TYPE_STRING, GST_TAG_DEVICE_MAKE,
|
|
|
|
|
"The manufacturer of the recording equipment", NULL);
|
2008-02-28 10:41:56 +00:00
|
|
|
|
|
2008-01-31 21:55:44 +00:00
|
|
|
|
gst_tag_register (GST_TAG_DEVICE_MODEL, GST_TAG_FLAG_META, G_TYPE_STRING,
|
|
|
|
|
GST_TAG_DEVICE_MODEL, "The model name or model number of the equipment",
|
|
|
|
|
NULL);
|
|
|
|
|
|
2008-02-28 10:41:56 +00:00
|
|
|
|
/* exif specific tags */
|
|
|
|
|
|
|
|
|
|
gst_tag_register (GST_TAG_EXIF_MAKER_NOTE, GST_TAG_FLAG_META,
|
|
|
|
|
GST_TYPE_BUFFER, GST_TAG_EXIF_MAKER_NOTE, "Camera private data", NULL);
|
|
|
|
|
|
2008-01-31 21:55:44 +00:00
|
|
|
|
/* image tags */
|
|
|
|
|
|
2008-02-05 17:10:11 +00:00
|
|
|
|
gst_tag_register (GST_TAG_IMAGE_HEIGHT, GST_TAG_FLAG_META,
|
|
|
|
|
G_TYPE_UINT, GST_TAG_IMAGE_HEIGHT, "Image height in pixels", NULL);
|
2008-02-28 10:41:56 +00:00
|
|
|
|
|
2008-02-05 17:10:11 +00:00
|
|
|
|
gst_tag_register (GST_TAG_IMAGE_WIDTH, GST_TAG_FLAG_META,
|
|
|
|
|
G_TYPE_UINT, GST_TAG_IMAGE_WIDTH, "Image width in pixels", NULL);
|
|
|
|
|
|
2008-01-31 21:55:44 +00:00
|
|
|
|
gst_tag_register (GST_TAG_IMAGE_XRESOLUTION, GST_TAG_FLAG_META,
|
|
|
|
|
GST_TYPE_FRACTION, GST_TAG_IMAGE_XRESOLUTION,
|
|
|
|
|
"Horizontal resolution in pixels per inch", NULL);
|
2008-02-28 10:41:56 +00:00
|
|
|
|
|
2008-01-31 21:55:44 +00:00
|
|
|
|
gst_tag_register (GST_TAG_IMAGE_YRESOLUTION, GST_TAG_FLAG_META,
|
|
|
|
|
GST_TYPE_FRACTION, GST_TAG_IMAGE_YRESOLUTION,
|
|
|
|
|
"Vertical resolution in pixels per inch", NULL);
|
2007-12-14 18:18:37 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* IPTC tags
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
metadata_tags_iptc_register (void)
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* XMP tags
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
metadata_tags_xmp_register (void)
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
}
|