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609 lines
21 KiB
C
609 lines
21 KiB
C
/* GStreamer
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* Copyright (C) 2003 Benjamin Otte <in7y118@public.uni-hamburg.de>
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* Copyright (C) 2006-2011 Tim-Philipp Müller <tim centricular net>
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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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_TAG_TAG_H__
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#define __GST_TAG_TAG_H__
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#include <gst/gst.h>
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#include <gst/tag/gsttagdemux.h>
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#include <gst/tag/gsttagmux.h>
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#include <gst/tag/xmpwriter.h>
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G_BEGIN_DECLS
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/* Tag names */
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/**
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* GST_TAG_MUSICBRAINZ_TRACKID:
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*
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* MusicBrainz track ID
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*/
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#define GST_TAG_MUSICBRAINZ_TRACKID "musicbrainz-trackid"
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/**
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* GST_TAG_MUSICBRAINZ_ARTISTID:
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*
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* MusicBrainz artist ID
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*/
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#define GST_TAG_MUSICBRAINZ_ARTISTID "musicbrainz-artistid"
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/**
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* GST_TAG_MUSICBRAINZ_ALBUMID:
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*
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* MusicBrainz album ID
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*/
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#define GST_TAG_MUSICBRAINZ_ALBUMID "musicbrainz-albumid"
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/**
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* GST_TAG_MUSICBRAINZ_ALBUMARTISTID:
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*
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* MusicBrainz album artist ID
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*/
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#define GST_TAG_MUSICBRAINZ_ALBUMARTISTID "musicbrainz-albumartistid"
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/**
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* GST_TAG_MUSICBRAINZ_TRMID:
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*
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* MusicBrainz track TRM ID
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*/
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#define GST_TAG_MUSICBRAINZ_TRMID "musicbrainz-trmid"
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/**
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* GST_TAG_CMML_STREAM:
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*
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* Annodex CMML stream element tag
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*/
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#define GST_TAG_CMML_STREAM "cmml-stream"
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/**
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* GST_TAG_CMML_HEAD:
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*
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* Annodex CMML head element tag
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*/
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#define GST_TAG_CMML_HEAD "cmml-head"
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/**
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* GST_TAG_CMML_CLIP:
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*
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* Annodex CMML clip element tag
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*/
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#define GST_TAG_CMML_CLIP "cmml-clip"
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/**
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* GST_TAG_MUSICAL_KEY:
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*
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* Musical key in which the sound starts. It is represented as a string
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* with a maximum length of three characters. The ground keys are
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* represented with "A","B","C","D","E", "F" and "G" and halfkeys
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* represented with "b" and "#". Minor is represented as "m" (e.g. "Dbm").
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* Off key is represented with an "o" only.
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* This notation might be extended in the future to support non-minor/major
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* keys.
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*
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* Since: 1.2
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*/
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#define GST_TAG_MUSICAL_KEY "musical-key"
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/* CDDA tags */
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/**
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* GST_TAG_CDDA_CDDB_DISCID:
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*
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* CDDB disc id in its short form (e.g. 'aa063d0f')
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*/
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#define GST_TAG_CDDA_CDDB_DISCID "discid"
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/**
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* GST_TAG_CDDA_CDDB_DISCID_FULL:
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*
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* CDDB disc id including all details
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*/
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#define GST_TAG_CDDA_CDDB_DISCID_FULL "discid-full"
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/**
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* GST_TAG_CDDA_MUSICBRAINZ_DISCID:
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*
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* Musicbrainz disc id (e.g. 'ahg7JUcfR3vCYBphSDIogOOWrr0-')
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*/
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#define GST_TAG_CDDA_MUSICBRAINZ_DISCID "musicbrainz-discid"
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/**
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* GST_TAG_CDDA_MUSICBRAINZ_DISCID_FULL:
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*
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* Musicbrainz disc id details
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*/
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#define GST_TAG_CDDA_MUSICBRAINZ_DISCID_FULL "musicbrainz-discid-full"
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/**
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* GST_TAG_CAPTURING_SHUTTER_SPEED:
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*
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* Shutter speed used when capturing an image, in seconds. (fraction)
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*/
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#define GST_TAG_CAPTURING_SHUTTER_SPEED "capturing-shutter-speed"
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/**
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* GST_TAG_CAPTURING_FOCAL_RATIO:
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*
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* Focal ratio (f-number) used when capturing an image. (double)
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*
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* The value stored is the denominator of the focal ratio (f-number).
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* For example, if this tag value is 2, the focal ratio is f/2.
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*/
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#define GST_TAG_CAPTURING_FOCAL_RATIO "capturing-focal-ratio"
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/**
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* GST_TAG_CAPTURING_FOCAL_LENGTH:
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*
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* Focal length used when capturing an image, in mm. (double)
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*/
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#define GST_TAG_CAPTURING_FOCAL_LENGTH "capturing-focal-length"
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/**
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* GST_TAG_CAPTURING_DIGITAL_ZOOM_RATIO:
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*
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* Digital zoom ratio used when capturing an image. (double)
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*/
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#define GST_TAG_CAPTURING_DIGITAL_ZOOM_RATIO "capturing-digital-zoom-ratio"
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/**
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* GST_TAG_CAPTURING_ISO_SPEED:
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*
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* ISO speed used when capturing an image. (integer)
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*/
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#define GST_TAG_CAPTURING_ISO_SPEED "capturing-iso-speed"
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/**
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* GST_TAG_CAPTURING_EXPOSURE_PROGRAM:
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*
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* Type of exposure control used when capturing an image. (string)
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*
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* The allowed values are:
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* "undefined"
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* "manual"
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* "normal" - automatically controlled
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* "aperture-priority" - user selects aperture value
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* "shutter-priority" - user selects shutter speed
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* "creative" - biased towards depth of field
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* "action" - biased towards fast shutter speed
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* "portrait" - closeup, leaving background out of focus
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* "landscape" - landscape photos, background in focus
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*/
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#define GST_TAG_CAPTURING_EXPOSURE_PROGRAM "capturing-exposure-program"
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/**
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* GST_TAG_CAPTURING_EXPOSURE_MODE:
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*
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* Exposure mode used when capturing an image. (string)
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*
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* The allowed values are:
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* "auto-exposure"
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* "manual-exposure"
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* "auto-bracket"
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*/
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#define GST_TAG_CAPTURING_EXPOSURE_MODE "capturing-exposure-mode"
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/**
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* GST_TAG_CAPTURING_EXPOSURE_COMPENSATION:
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*
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* Exposure compensation using when capturing an image in EV. (double)
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*/
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#define GST_TAG_CAPTURING_EXPOSURE_COMPENSATION "capturing-exposure-compensation"
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/**
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* GST_TAG_CAPTURING_SCENE_CAPTURE_TYPE:
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*
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* Scene mode used when capturing an image. (string)
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*
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* The allowed values are:
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* "standard"
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* "landscape"
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* "portrait"
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* "night-scene"
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*/
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#define GST_TAG_CAPTURING_SCENE_CAPTURE_TYPE "capturing-scene-capture-type"
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/**
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* GST_TAG_CAPTURING_GAIN_ADJUSTMENT:
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*
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* Gain adjustment applied to an image. (string)
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*
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* The allowed values are:
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* "none"
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* "low-gain-up"
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* "high-gain-up"
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* "low-gain-down"
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* "high-gain-down"
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*/
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#define GST_TAG_CAPTURING_GAIN_ADJUSTMENT "capturing-gain-adjustment"
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/**
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* GST_TAG_CAPTURING_WHITE_BALANCE:
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*
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* White balance mode used when capturing an image. (string)
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*
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* The allowed values are:
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* "auto"
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* "manual"
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* "daylight"
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* "cloudy"
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* "tungsten"
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* "fluorescent"
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* "fluorescent h" (newer daylight-calibrated fluorescents)
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* "flash"
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*/
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#define GST_TAG_CAPTURING_WHITE_BALANCE "capturing-white-balance"
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/**
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* GST_TAG_CAPTURING_CONTRAST:
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*
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* Direction of contrast processing applied when capturing an image. (string)
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*
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* The allowed values are:
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* "normal"
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* "soft"
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* "hard"
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*/
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#define GST_TAG_CAPTURING_CONTRAST "capturing-contrast"
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/**
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* GST_TAG_CAPTURING_SATURATION:
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*
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* Direction of saturation processing applied when capturing an image. (string)
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*
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* The allowed values are:
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* "normal"
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* "low-saturation"
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* "high-saturation"
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*/
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#define GST_TAG_CAPTURING_SATURATION "capturing-saturation"
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/**
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* GST_TAG_CAPTURING_SHARPNESS:
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*
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* Direction of sharpness processing applied when capturing an image. (string)
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*
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* The allowed values are:
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* "normal"
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* "soft"
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* "hard"
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*/
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#define GST_TAG_CAPTURING_SHARPNESS "capturing-sharpness"
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/**
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* GST_TAG_CAPTURING_FLASH_FIRED:
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*
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* If flash was fired during the capture of an image. (boolean)
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*
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* Note that if this tag isn't present, it should not be assumed that
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* the flash did not fire. It should be treated as unknown.
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*/
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#define GST_TAG_CAPTURING_FLASH_FIRED "capturing-flash-fired"
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/**
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* GST_TAG_CAPTURING_FLASH_MODE:
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*
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* The flash mode selected during the capture of an image. (string)
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*
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* The allowed values are:
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* "auto"
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* "always"
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* "never"
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*/
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#define GST_TAG_CAPTURING_FLASH_MODE "capturing-flash-mode"
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/**
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* GST_TAG_CAPTURING_METERING_MODE:
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*
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* Defines the way a camera determines the exposure. (string)
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*
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* The allowed values are:
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* "unknown"
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* "average"
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* "center-weighted-average"
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* "spot"
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* "multi-spot"
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* "pattern"
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* "partial"
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* "other"
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*/
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#define GST_TAG_CAPTURING_METERING_MODE "capturing-metering-mode"
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/**
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* GST_TAG_CAPTURING_SOURCE:
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*
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* Indicates the source of capture. The device/medium used to do the
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* capture. (string)
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*
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* Allowed values are:
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* "dsc" (= digital still camera)
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* "transparent-scanner"
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* "reflex-scanner"
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* "other"
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*/
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#define GST_TAG_CAPTURING_SOURCE "capturing-source"
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/**
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* GST_TAG_IMAGE_HORIZONTAL_PPI:
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*
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* Media (image/video) intended horizontal pixel density in ppi. (double)
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*/
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#define GST_TAG_IMAGE_HORIZONTAL_PPI "image-horizontal-ppi"
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/**
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* GST_TAG_IMAGE_VERTICAL_PPI:
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*
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* Media (image/video) intended vertical pixel density in ppi. (double)
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*/
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#define GST_TAG_IMAGE_VERTICAL_PPI "image-vertical-ppi"
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/* additional information for image tags */
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/**
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* GstTagImageType:
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* @GST_TAG_IMAGE_TYPE_NONE : No image type. Can be used to
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* tell functions such as gst_tag_image_data_to_image_sample() that no
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* image type should be set.
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* @GST_TAG_IMAGE_TYPE_UNDEFINED : Undefined/other image type
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* @GST_TAG_IMAGE_TYPE_FRONT_COVER : Cover (front)
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* @GST_TAG_IMAGE_TYPE_BACK_COVER : Cover (back)
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* @GST_TAG_IMAGE_TYPE_LEAFLET_PAGE : Leaflet page
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* @GST_TAG_IMAGE_TYPE_MEDIUM : Medium (e.g. label side of CD)
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* @GST_TAG_IMAGE_TYPE_LEAD_ARTIST : Lead artist/lead performer/soloist
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* @GST_TAG_IMAGE_TYPE_ARTIST : Artist/performer
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* @GST_TAG_IMAGE_TYPE_CONDUCTOR : Conductor
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* @GST_TAG_IMAGE_TYPE_BAND_ORCHESTRA : Band/orchestra
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* @GST_TAG_IMAGE_TYPE_COMPOSER : Composer
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* @GST_TAG_IMAGE_TYPE_LYRICIST : Lyricist/text writer
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* @GST_TAG_IMAGE_TYPE_RECORDING_LOCATION : Recording location
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* @GST_TAG_IMAGE_TYPE_DURING_RECORDING : During recording
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* @GST_TAG_IMAGE_TYPE_DURING_PERFORMANCE : During performance
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* @GST_TAG_IMAGE_TYPE_VIDEO_CAPTURE : Movie/video screen capture
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* @GST_TAG_IMAGE_TYPE_FISH : A fish as funny as the ID3v2 spec
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* @GST_TAG_IMAGE_TYPE_ILLUSTRATION : Illustration
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* @GST_TAG_IMAGE_TYPE_BAND_ARTIST_LOGO : Band/artist logotype
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* @GST_TAG_IMAGE_TYPE_PUBLISHER_STUDIO_LOGO : Publisher/studio logotype
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*
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* Type of image contained in an image tag (specified as "image-type" field in
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* the info structure in the image's #GstSample)
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*/
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/* Note: keep in sync with register_tag_image_type_enum() */
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typedef enum {
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GST_TAG_IMAGE_TYPE_NONE = -1,
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GST_TAG_IMAGE_TYPE_UNDEFINED = 0,
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GST_TAG_IMAGE_TYPE_FRONT_COVER,
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GST_TAG_IMAGE_TYPE_BACK_COVER,
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GST_TAG_IMAGE_TYPE_LEAFLET_PAGE,
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GST_TAG_IMAGE_TYPE_MEDIUM,
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GST_TAG_IMAGE_TYPE_LEAD_ARTIST,
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GST_TAG_IMAGE_TYPE_ARTIST,
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GST_TAG_IMAGE_TYPE_CONDUCTOR,
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GST_TAG_IMAGE_TYPE_BAND_ORCHESTRA,
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GST_TAG_IMAGE_TYPE_COMPOSER,
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GST_TAG_IMAGE_TYPE_LYRICIST,
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GST_TAG_IMAGE_TYPE_RECORDING_LOCATION,
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GST_TAG_IMAGE_TYPE_DURING_RECORDING,
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GST_TAG_IMAGE_TYPE_DURING_PERFORMANCE,
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GST_TAG_IMAGE_TYPE_VIDEO_CAPTURE,
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GST_TAG_IMAGE_TYPE_FISH,
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GST_TAG_IMAGE_TYPE_ILLUSTRATION,
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GST_TAG_IMAGE_TYPE_BAND_ARTIST_LOGO,
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GST_TAG_IMAGE_TYPE_PUBLISHER_STUDIO_LOGO
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} GstTagImageType;
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#define GST_TYPE_TAG_IMAGE_TYPE (gst_tag_image_type_get_type ())
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GType gst_tag_image_type_get_type (void);
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/**
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* GST_TAG_ID3V2_HEADER_SIZE:
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*
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* ID3V2 header size considered minimum input for some functions such as
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* gst_tag_list_from_id3v2_tag() and gst_tag_get_id3v2_tag_size() for example.
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*/
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#define GST_TAG_ID3V2_HEADER_SIZE 10
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/* functions for vorbis comment manipulation */
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const gchar * gst_tag_from_vorbis_tag (const gchar * vorbis_tag);
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const gchar * gst_tag_to_vorbis_tag (const gchar * gst_tag);
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void gst_vorbis_tag_add (GstTagList * list,
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const gchar * tag,
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const gchar * value);
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GList * gst_tag_to_vorbis_comments (const GstTagList * list,
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const gchar * tag);
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/* functions to convert GstBuffers with vorbiscomment contents to GstTagLists and back */
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GstTagList * gst_tag_list_from_vorbiscomment (const guint8 * data,
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gsize size,
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const guint8 * id_data,
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const guint id_data_length,
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gchar ** vendor_string);
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GstTagList * gst_tag_list_from_vorbiscomment_buffer (GstBuffer * buffer,
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const guint8 * id_data,
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const guint id_data_length,
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gchar ** vendor_string);
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GstBuffer * gst_tag_list_to_vorbiscomment_buffer (const GstTagList * list,
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const guint8 * id_data,
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const guint id_data_length,
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const gchar * vendor_string);
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/* functions for ID3 tag manipulation */
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/* FIXME 0.11: inconsistent API naming: gst_tag_list_new_from_id3v1(), gst_tag_list_from_*_buffer(),
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* gst_tag_list_from_id3v2_tag(). Also, note gst.tag.list_xyz() namespace vs. gst.tag_list_xyz(),
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* which is a bit confusing and possibly doesn't map too well */
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guint gst_tag_id3_genre_count (void);
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const gchar * gst_tag_id3_genre_get (const guint id);
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GstTagList * gst_tag_list_new_from_id3v1 (const guint8 * data);
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const gchar * gst_tag_from_id3_tag (const gchar * id3_tag);
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const gchar * gst_tag_from_id3_user_tag (const gchar * type,
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const gchar * id3_user_tag);
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const gchar * gst_tag_to_id3_tag (const gchar * gst_tag);
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gboolean gst_tag_list_add_id3_image (GstTagList * tag_list,
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const guint8 * image_data,
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guint image_data_len,
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guint id3_picture_type);
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GstTagList * gst_tag_list_from_id3v2_tag (GstBuffer * buffer);
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guint gst_tag_get_id3v2_tag_size (GstBuffer * buffer);
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/* functions to convert GstBuffers with xmp packets contents to GstTagLists and back */
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GstTagList * gst_tag_list_from_xmp_buffer (GstBuffer * buffer);
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GstBuffer * gst_tag_list_to_xmp_buffer (const GstTagList * list,
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gboolean read_only,
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const gchar ** schemas);
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const gchar** gst_tag_xmp_list_schemas (void);
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|
|
|
/* functions related to exif */
|
|
GstBuffer * gst_tag_list_to_exif_buffer (const GstTagList * taglist,
|
|
gint byte_order,
|
|
guint32 base_offset);
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|
|
|
GstBuffer * gst_tag_list_to_exif_buffer_with_tiff_header (const GstTagList * taglist);
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|
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GstTagList * gst_tag_list_from_exif_buffer (GstBuffer * buffer,
|
|
gint byte_order,
|
|
guint32 base_offset);
|
|
|
|
GstTagList * gst_tag_list_from_exif_buffer_with_tiff_header (
|
|
GstBuffer * buffer);
|
|
|
|
/* other tag-related functions */
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|
|
|
gboolean gst_tag_parse_extended_comment (const gchar * ext_comment,
|
|
gchar ** key,
|
|
gchar ** lang,
|
|
gchar ** value,
|
|
gboolean fail_if_no_key);
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|
|
|
gchar * gst_tag_freeform_string_to_utf8 (const gchar * data,
|
|
gint size,
|
|
const gchar ** env_vars);
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|
|
|
GstSample * gst_tag_image_data_to_image_sample (const guint8 * image_data,
|
|
guint image_data_len,
|
|
GstTagImageType image_type);
|
|
|
|
/* FIXME 0.11: get rid of this awkward register/init function, see tags.c */
|
|
void gst_tag_register_musicbrainz_tags (void);
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|
|
|
|
|
/* language tag related functions */
|
|
|
|
gchar ** gst_tag_get_language_codes (void);
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|
|
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const gchar * gst_tag_get_language_name (const gchar * language_code);
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|
|
|
const gchar * gst_tag_get_language_code_iso_639_1 (const gchar * lang_code);
|
|
|
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const gchar * gst_tag_get_language_code_iso_639_2B (const gchar * lang_code);
|
|
|
|
const gchar * gst_tag_get_language_code_iso_639_2T (const gchar * lang_code);
|
|
|
|
gboolean gst_tag_check_language_code (const gchar * lang_code);
|
|
|
|
/**
|
|
* gst_tag_get_language_code:
|
|
* @lang_code: ISO-639 language code (e.g. "deu" or "ger" or "de")
|
|
*
|
|
* Convenience macro wrapping gst_tag_get_language_code_iso_639_1().
|
|
*/
|
|
#define gst_tag_get_language_code(lang_code) \
|
|
gst_tag_get_language_code_iso_639_1(lang_code)
|
|
|
|
|
|
/* functions to deal with (mostly) Creative Commons licenses */
|
|
|
|
/**
|
|
* GstTagLicenseFlags:
|
|
* @GST_TAG_LICENSE_PERMITS_REPRODUCTION: making multiple copies
|
|
* is allowed
|
|
* @GST_TAG_LICENSE_PERMITS_DISTRIBUTION: distribution, public display
|
|
* and public performance are allowed
|
|
* @GST_TAG_LICENSE_PERMITS_DERIVATIVE_WORKS: distribution of derivative
|
|
* works is allowed
|
|
* @GST_TAG_LICENSE_PERMITS_SHARING: commercial derivatives are allowed,
|
|
* but only non-commercial distribution is allowed
|
|
* @GST_TAG_LICENSE_REQUIRES_NOTICE: copyright and license notices
|
|
* must be kept intact
|
|
* @GST_TAG_LICENSE_REQUIRES_ATTRIBUTION: credit must be given to
|
|
* copyright holder and/or author
|
|
* @GST_TAG_LICENSE_REQUIRES_SHARE_ALIKE: derivative works must be
|
|
* licensed under the same terms or compatible terms as the original work
|
|
* @GST_TAG_LICENSE_REQUIRES_SOURCE_CODE: source code (the preferred
|
|
* form for making modifications) must be provided when exercising some
|
|
* rights granted by the license
|
|
* @GST_TAG_LICENSE_REQUIRES_COPYLEFT: derivative and combined works
|
|
* must be licensed under specified terms, similar to those of the original
|
|
* work
|
|
* @GST_TAG_LICENSE_REQUIRES_LESSER_COPYLEFT: derivative works must be
|
|
* licensed under specified terms, with at least the same conditions as
|
|
* the original work; combinations with the work may be licensed under
|
|
* different terms
|
|
* @GST_TAG_LICENSE_PROHIBITS_COMMERCIAL_USE: exercising rights for
|
|
* commercial purposes is prohibited
|
|
* @GST_TAG_LICENSE_PROHIBITS_HIGH_INCOME_NATION_USE: use in a
|
|
* non-developing country is prohibited
|
|
* @GST_TAG_LICENSE_CREATIVE_COMMONS_LICENSE: this license was created
|
|
* by the Creative Commons project
|
|
* @GST_TAG_LICENSE_FREE_SOFTWARE_FOUNDATION_LICENSE: this license was
|
|
* created by the Free Software Foundation (FSF)
|
|
*
|
|
* See http://creativecommons.org/ns for more information.
|
|
*/
|
|
typedef enum {
|
|
GST_TAG_LICENSE_PERMITS_REPRODUCTION = (1 << 0),
|
|
GST_TAG_LICENSE_PERMITS_DISTRIBUTION = (1 << 1),
|
|
GST_TAG_LICENSE_PERMITS_DERIVATIVE_WORKS = (1 << 2),
|
|
GST_TAG_LICENSE_PERMITS_SHARING = (1 << 3),
|
|
|
|
GST_TAG_LICENSE_REQUIRES_NOTICE = (1 << 8),
|
|
GST_TAG_LICENSE_REQUIRES_ATTRIBUTION = (1 << 9),
|
|
GST_TAG_LICENSE_REQUIRES_SHARE_ALIKE = (1 << 10),
|
|
GST_TAG_LICENSE_REQUIRES_SOURCE_CODE = (1 << 11),
|
|
GST_TAG_LICENSE_REQUIRES_COPYLEFT = (1 << 12),
|
|
GST_TAG_LICENSE_REQUIRES_LESSER_COPYLEFT = (1 << 13),
|
|
|
|
GST_TAG_LICENSE_PROHIBITS_COMMERCIAL_USE = (1 << 16),
|
|
GST_TAG_LICENSE_PROHIBITS_HIGH_INCOME_NATION_USE = (1 << 17),
|
|
|
|
GST_TAG_LICENSE_CREATIVE_COMMONS_LICENSE = (1 << 24),
|
|
GST_TAG_LICENSE_FREE_SOFTWARE_FOUNDATION_LICENSE = (1 << 25)
|
|
} GstTagLicenseFlags;
|
|
|
|
gchar ** gst_tag_get_licenses (void);
|
|
|
|
GstTagLicenseFlags gst_tag_get_license_flags (const gchar * license_ref);
|
|
|
|
const gchar * gst_tag_get_license_nick (const gchar * license_ref);
|
|
|
|
const gchar * gst_tag_get_license_title (const gchar * license_ref);
|
|
|
|
const gchar * gst_tag_get_license_version (const gchar * license_ref);
|
|
|
|
const gchar * gst_tag_get_license_description (const gchar * license_ref);
|
|
|
|
const gchar * gst_tag_get_license_jurisdiction (const gchar * license_ref);
|
|
|
|
GType gst_tag_license_flags_get_type (void);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_TAG_TAG_H__ */
|