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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* 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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2007-12-05 17:00:59 +00:00
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/* devices tags */
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2007-11-28 14:03:35 +00:00
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gst_tag_register (GST_TAG_DEVICE_MAKE, GST_TAG_FLAG_META,
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G_TYPE_STRING, GST_TAG_DEVICE_MAKE,
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"The manufacturer of the recording equipment", NULL);
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gst_tag_register (GST_TAG_DEVICE_MODEL, GST_TAG_FLAG_META, G_TYPE_STRING,
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GST_TAG_DEVICE_MODEL, "The model name or model number of the equipment",
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NULL);
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2007-11-01 16:04:29 +00:00
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2007-12-05 17:00:59 +00:00
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/* generic tags */
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gst_tag_register (GST_TAG_CREATOR_TOOL, GST_TAG_FLAG_META, G_TYPE_STRING,
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GST_TAG_CREATOR_TOOL,
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"The name of the first known tool used to create the resource."
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" Or firmware or driver version of device", NULL);
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/* image tags */
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2007-12-14 18:18:37 +00:00
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gst_tag_register (GST_TAG_IMAGE_XRESOLUTION, GST_TAG_FLAG_META,
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GST_TYPE_FRACTION, GST_TAG_IMAGE_XRESOLUTION,
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"Horizontal resolution in pixels per inch", NULL);
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gst_tag_register (GST_TAG_IMAGE_YRESOLUTION, GST_TAG_FLAG_META,
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GST_TYPE_FRACTION, GST_TAG_IMAGE_YRESOLUTION,
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"Vertical resolution in pixels per inch", NULL);
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2007-12-05 17:00:59 +00:00
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/* capture tags */
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gst_tag_register (GST_TAG_CAPTURE_EXPOSURE_TIME, GST_TAG_FLAG_META,
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2007-12-14 18:18:37 +00:00
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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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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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2007-12-05 17:00:59 +00:00
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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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2008-01-23 16:35:34 +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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2007-12-14 18:18:37 +00:00
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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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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- Auto
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1- Off
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*** exif is until here ***
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2- Sunlight
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3- Cloudy
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4- Shade
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5- Tungsten
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6- Fluorescent
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7- Incandescent
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8- Flash
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9- Horizon (sun on the horizon)
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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_WHITE_BALANCE, GST_TAG_FLAG_META,
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G_TYPE_UINT, GST_TAG_CAPTURE_WHITE_BALANCE, "White balance mode", NULL);
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2008-01-23 16:35:34 +00:00
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/* if Zero ZOOM not used
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2007-12-05 17:00:59 +00:00
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*/
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gst_tag_register (GST_TAG_CAPTURE_DIGITAL_ZOOM, GST_TAG_FLAG_META,
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2007-12-14 18:18:37 +00:00
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GST_TYPE_FRACTION, GST_TAG_CAPTURE_DIGITAL_ZOOM, "Digital zoom ratio",
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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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2008-01-23 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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from -100 to 100
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2007-12-13 12:45:06 +00:00
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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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2007-12-05 17:00:59 +00:00
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*** exif is just 0, 1, 2 (normal, soft and hard)
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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_CONTRAST, GST_TAG_FLAG_META, G_TYPE_INT,
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GST_TAG_CAPTURE_CONTRAST, "", 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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from -100 to 100
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2007-12-13 12:45:06 +00:00
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[-100, -34] - low
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[-33, 33] - normal
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[34, 100] - high
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2007-12-05 17:00:59 +00:00
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*** exif is just 0, 1, 2 (normal, low and high)
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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_SATURATION, GST_TAG_FLAG_META, G_TYPE_INT,
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GST_TAG_CAPTURE_SATURATION, "", NULL);
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2007-12-14 18:18:37 +00:00
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}
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/*
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* IPTC tags
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*/
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static void
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metadata_tags_iptc_register (void)
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{
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}
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/*
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* XMP tags
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*/
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static void
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metadata_tags_xmp_register (void)
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{
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}
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