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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>Tags: GStreamer Base Plugins 1.0 Library Reference Manual</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.79.1">
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<link rel="home" href="index.html" title="GStreamer Base Plugins 1.0 Library Reference Manual">
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<link rel="up" href="gstreamer-tag.html" title="Tag Support Library">
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<link rel="prev" href="gstreamer-tag.html" title="Tag Support Library">
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<link rel="next" href="gst-plugins-base-libs-GstVorbisTag.html" title="GstVorbisTag">
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<meta name="generator" content="GTK-Doc V1.27 (XML mode)">
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<link rel="stylesheet" href="style.css" type="text/css">
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</head>
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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Top |
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Description
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Tags
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Tags — additional tag definitions for plugins and applications
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Functions
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void
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gst_tag_register_musicbrainz_tags ()
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gchar *
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gst_tag_freeform_string_to_utf8 ()
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gboolean
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gst_tag_parse_extended_comment ()
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GstSample *
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gst_tag_image_data_to_image_sample ()
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Types and Values
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#define
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GST_TAG_MUSICBRAINZ_TRACKID
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#define
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GST_TAG_MUSICBRAINZ_ARTISTID
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#define
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GST_TAG_MUSICBRAINZ_ALBUMID
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#define
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GST_TAG_MUSICBRAINZ_ALBUMARTISTID
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#define
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GST_TAG_MUSICBRAINZ_TRMID
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#define
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GST_TAG_CDDA_CDDB_DISCID
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#define
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GST_TAG_CDDA_CDDB_DISCID_FULL
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#define
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GST_TAG_CDDA_MUSICBRAINZ_DISCID
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#define
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GST_TAG_CDDA_MUSICBRAINZ_DISCID_FULL
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#define
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GST_TAG_CMML_CLIP
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#define
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GST_TAG_CMML_HEAD
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#define
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GST_TAG_CMML_STREAM
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#define
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GST_TAG_CAPTURING_SHUTTER_SPEED
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#define
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GST_TAG_CAPTURING_FOCAL_RATIO
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#define
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GST_TAG_CAPTURING_FOCAL_LENGTH
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#define
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GST_TAG_CAPTURING_DIGITAL_ZOOM_RATIO
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#define
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GST_TAG_CAPTURING_ISO_SPEED
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#define
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GST_TAG_CAPTURING_EXPOSURE_PROGRAM
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#define
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GST_TAG_CAPTURING_EXPOSURE_MODE
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#define
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GST_TAG_CAPTURING_SCENE_CAPTURE_TYPE
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#define
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GST_TAG_CAPTURING_GAIN_ADJUSTMENT
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#define
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GST_TAG_CAPTURING_WHITE_BALANCE
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#define
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GST_TAG_CAPTURING_CONTRAST
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#define
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GST_TAG_CAPTURING_SATURATION
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#define
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GST_TAG_CAPTURING_SHARPNESS
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#define
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GST_TAG_CAPTURING_FLASH_FIRED
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#define
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GST_TAG_CAPTURING_FLASH_MODE
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#define
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GST_TAG_CAPTURING_METERING_MODE
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#define
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GST_TAG_CAPTURING_SOURCE
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#define
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GST_TAG_CAPTURING_EXPOSURE_COMPENSATION
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#define
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GST_TAG_IMAGE_HORIZONTAL_PPI
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#define
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GST_TAG_IMAGE_VERTICAL_PPI
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#define
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GST_TAG_ID3V2_HEADER_SIZE
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#define
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GST_TAG_MUSICAL_KEY
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enum
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GstTagImageType
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Includes
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#include <gst/tag/tag.h>
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Description
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Contains additional standardized GStreamer tag definitions for plugins
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and applications, and functions to register them with the GStreamer
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tag system.
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Functions
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gst_tag_register_musicbrainz_tags ()
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void
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gst_tag_register_musicbrainz_tags (void);
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Registers additional musicbrainz-specific tags with the GStreamer tag
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system. Plugins and applications that use these tags should call this
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function before using them. Can be called multiple times.
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gst_tag_freeform_string_to_utf8 ()
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gchar *
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gst_tag_freeform_string_to_utf8 (const gchar *data,
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gint size,
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const gchar **env_vars);
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Convenience function to read a string with unknown character encoding. If
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the string is already in UTF-8 encoding, it will be returned right away.
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If not it tries to detect byte-order-mark for UTF-16/32 cases and use that.
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Otherwise, the environment will be searched for a number of environment
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variables (whose names are specified in the NULL-terminated string array
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env_vars
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) containing a list of character encodings to try/use. If none
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are specified, the current locale will be tried. If that also doesn't work,
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WINDOWS-1252/ISO-8859-1 is assumed (which will almost always succeed).
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Parameters
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data
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string data.
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[array length=size][element-type gchar]
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size
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length of string data, or -1 if the string is NUL-terminated
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env_vars
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(array zero-terminated=1)
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a NULL-terminated string array of environment variable names, or NULL
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Returns
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a newly-allocated string in UTF-8 encoding, or NULL
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gst_tag_parse_extended_comment ()
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gboolean
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gst_tag_parse_extended_comment (const gchar *ext_comment,
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gchar **key,
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gchar **lang,
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gchar **value,
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gboolean fail_if_no_key);
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Convenience function to parse a GST_TAG_EXTENDED_COMMENT string and
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separate it into its components.
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If successful, key
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, lang
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and/or value
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will be set to newly allocated
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strings that you need to free with g_free() when done. key
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and lang
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may also be set to NULL by this function if there is no key or no language
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code in the extended comment string.
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Parameters
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ext_comment
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an extended comment string, see GST_TAG_EXTENDED_COMMENT
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key
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return location for the comment description key, or NULL.
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[out][nullable]
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lang
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return location for the comment ISO-639 language code, or NULL.
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[out][nullable]
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value
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return location for the actual comment string, or NULL.
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[out]
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fail_if_no_key
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whether to fail if strings are not in key=value form
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Returns
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TRUE if the string could be parsed, otherwise FALSE
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gst_tag_image_data_to_image_sample ()
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GstSample *
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gst_tag_image_data_to_image_sample (const guint8 *image_data,
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guint image_data_len,
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GstTagImageType image_type);
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Helper function for tag-reading plugins to create a GstSample suitable to
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Packit |
971217 |
add to a GstTagList as an image tag (such as GST_TAG_IMAGE or
|
|
Packit |
971217 |
GST_TAG_PREVIEW_IMAGE) from the encoded image data and an (optional) image
|
|
Packit |
971217 |
type.
|
|
Packit |
971217 |
Background: cover art and other images in tags are usually stored as a
|
|
Packit |
971217 |
blob of binary image data, often accompanied by a MIME type or some other
|
|
Packit |
971217 |
content type string (e.g. 'png', 'jpeg', 'jpg'). Sometimes there is also an
|
|
Packit |
971217 |
'image type' to indicate what kind of image this is (e.g. front cover,
|
|
Packit |
971217 |
back cover, artist, etc.). The image data may also be an URI to the image
|
|
Packit |
971217 |
rather than the image itself.
|
|
Packit |
971217 |
In GStreamer, image tags are GstSamples containing the raw image
|
|
Packit |
971217 |
data, with the sample caps describing the content type of the image
|
|
Packit |
971217 |
(e.g. image/jpeg, image/png, text/uri-list). The sample info may contain
|
|
Packit |
971217 |
an additional 'image-type' field of GST_TYPE_TAG_IMAGE_TYPE to describe
|
|
Packit |
971217 |
the type of image (front cover, back cover etc.). GST_TAG_PREVIEW_IMAGE
|
|
Packit |
971217 |
tags should not carry an image type, their type is already indicated via
|
|
Packit |
971217 |
the special tag name.
|
|
Packit |
971217 |
This function will do various checks and typefind the encoded image
|
|
Packit |
971217 |
data (we can't trust the declared mime type).
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
image_data
|
|
Packit |
971217 |
the (encoded) image.
|
|
Packit |
971217 |
[array length=image_data_len]
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
image_data_len
|
|
Packit |
971217 |
the length of the encoded image data at image_data
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
image_type
|
|
Packit |
971217 |
type of the image, or GST_TAG_IMAGE_TYPE_UNDEFINED. Pass
|
|
Packit |
971217 |
GST_TAG_IMAGE_TYPE_NONE if no image type should be set at all (e.g.
|
|
Packit |
971217 |
for preview images)
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Returns
|
|
Packit |
971217 |
a newly-allocated image sample for use in tag lists, or NULL
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Types and Values
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_MUSICBRAINZ_TRACKID
|
|
Packit |
971217 |
#define GST_TAG_MUSICBRAINZ_TRACKID "musicbrainz-trackid"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
MusicBrainz track ID
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_MUSICBRAINZ_ARTISTID
|
|
Packit |
971217 |
#define GST_TAG_MUSICBRAINZ_ARTISTID "musicbrainz-artistid"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
MusicBrainz artist ID
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_MUSICBRAINZ_ALBUMID
|
|
Packit |
971217 |
#define GST_TAG_MUSICBRAINZ_ALBUMID "musicbrainz-albumid"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
MusicBrainz album ID
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_MUSICBRAINZ_ALBUMARTISTID
|
|
Packit |
971217 |
#define GST_TAG_MUSICBRAINZ_ALBUMARTISTID "musicbrainz-albumartistid"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
MusicBrainz album artist ID
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_MUSICBRAINZ_TRMID
|
|
Packit |
971217 |
#define GST_TAG_MUSICBRAINZ_TRMID "musicbrainz-trmid"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
MusicBrainz track TRM ID
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_CDDA_CDDB_DISCID
|
|
Packit |
971217 |
#define GST_TAG_CDDA_CDDB_DISCID "discid"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
CDDB disc id in its short form (e.g. 'aa063d0f')
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_CDDA_CDDB_DISCID_FULL
|
|
Packit |
971217 |
#define GST_TAG_CDDA_CDDB_DISCID_FULL "discid-full"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
CDDB disc id including all details
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_CDDA_MUSICBRAINZ_DISCID
|
|
Packit |
971217 |
#define GST_TAG_CDDA_MUSICBRAINZ_DISCID "musicbrainz-discid"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Musicbrainz disc id (e.g. 'ahg7JUcfR3vCYBphSDIogOOWrr0-')
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_CDDA_MUSICBRAINZ_DISCID_FULL
|
|
Packit |
971217 |
#define GST_TAG_CDDA_MUSICBRAINZ_DISCID_FULL "musicbrainz-discid-full"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Musicbrainz disc id details
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_CMML_CLIP
|
|
Packit |
971217 |
#define GST_TAG_CMML_CLIP "cmml-clip"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Annodex CMML clip element tag
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_CMML_HEAD
|
|
Packit |
971217 |
#define GST_TAG_CMML_HEAD "cmml-head"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Annodex CMML head element tag
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_CMML_STREAM
|
|
Packit |
971217 |
#define GST_TAG_CMML_STREAM "cmml-stream"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Annodex CMML stream element tag
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_CAPTURING_SHUTTER_SPEED
|
|
Packit |
971217 |
#define GST_TAG_CAPTURING_SHUTTER_SPEED "capturing-shutter-speed"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Shutter speed used when capturing an image, in seconds. (fraction)
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_CAPTURING_FOCAL_RATIO
|
|
Packit |
971217 |
#define GST_TAG_CAPTURING_FOCAL_RATIO "capturing-focal-ratio"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Focal ratio (f-number) used when capturing an image. (double)
|
|
Packit |
971217 |
The value stored is the denominator of the focal ratio (f-number).
|
|
Packit |
971217 |
For example, if this tag value is 2, the focal ratio is f/2.
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_CAPTURING_FOCAL_LENGTH
|
|
Packit |
971217 |
#define GST_TAG_CAPTURING_FOCAL_LENGTH "capturing-focal-length"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Focal length used when capturing an image, in mm. (double)
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_CAPTURING_DIGITAL_ZOOM_RATIO
|
|
Packit |
971217 |
#define GST_TAG_CAPTURING_DIGITAL_ZOOM_RATIO "capturing-digital-zoom-ratio"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Digital zoom ratio used when capturing an image. (double)
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_CAPTURING_ISO_SPEED
|
|
Packit |
971217 |
#define GST_TAG_CAPTURING_ISO_SPEED "capturing-iso-speed"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
ISO speed used when capturing an image. (integer)
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_CAPTURING_EXPOSURE_PROGRAM
|
|
Packit |
971217 |
#define GST_TAG_CAPTURING_EXPOSURE_PROGRAM "capturing-exposure-program"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Type of exposure control used when capturing an image. (string)
|
|
Packit |
971217 |
The allowed values are:
|
|
Packit |
971217 |
"undefined"
|
|
Packit |
971217 |
"manual"
|
|
Packit |
971217 |
"normal" - automatically controlled
|
|
Packit |
971217 |
"aperture-priority" - user selects aperture value
|
|
Packit |
971217 |
"shutter-priority" - user selects shutter speed
|
|
Packit |
971217 |
"creative" - biased towards depth of field
|
|
Packit |
971217 |
"action" - biased towards fast shutter speed
|
|
Packit |
971217 |
"portrait" - closeup, leaving background out of focus
|
|
Packit |
971217 |
"landscape" - landscape photos, background in focus
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_CAPTURING_EXPOSURE_MODE
|
|
Packit |
971217 |
#define GST_TAG_CAPTURING_EXPOSURE_MODE "capturing-exposure-mode"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Exposure mode used when capturing an image. (string)
|
|
Packit |
971217 |
The allowed values are:
|
|
Packit |
971217 |
"auto-exposure"
|
|
Packit |
971217 |
"manual-exposure"
|
|
Packit |
971217 |
"auto-bracket"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_CAPTURING_SCENE_CAPTURE_TYPE
|
|
Packit |
971217 |
#define GST_TAG_CAPTURING_SCENE_CAPTURE_TYPE "capturing-scene-capture-type"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Scene mode used when capturing an image. (string)
|
|
Packit |
971217 |
The allowed values are:
|
|
Packit |
971217 |
"standard"
|
|
Packit |
971217 |
"landscape"
|
|
Packit |
971217 |
"portrait"
|
|
Packit |
971217 |
"night-scene"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_CAPTURING_GAIN_ADJUSTMENT
|
|
Packit |
971217 |
#define GST_TAG_CAPTURING_GAIN_ADJUSTMENT "capturing-gain-adjustment"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Gain adjustment applied to an image. (string)
|
|
Packit |
971217 |
The allowed values are:
|
|
Packit |
971217 |
"none"
|
|
Packit |
971217 |
"low-gain-up"
|
|
Packit |
971217 |
"high-gain-up"
|
|
Packit |
971217 |
"low-gain-down"
|
|
Packit |
971217 |
"high-gain-down"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_CAPTURING_WHITE_BALANCE
|
|
Packit |
971217 |
#define GST_TAG_CAPTURING_WHITE_BALANCE "capturing-white-balance"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
White balance mode used when capturing an image. (string)
|
|
Packit |
971217 |
The allowed values are:
|
|
Packit |
971217 |
"auto"
|
|
Packit |
971217 |
"manual"
|
|
Packit |
971217 |
"daylight"
|
|
Packit |
971217 |
"cloudy"
|
|
Packit |
971217 |
"tungsten"
|
|
Packit |
971217 |
"fluorescent"
|
|
Packit |
971217 |
"fluorescent h" (newer daylight-calibrated fluorescents)
|
|
Packit |
971217 |
"flash"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_CAPTURING_CONTRAST
|
|
Packit |
971217 |
#define GST_TAG_CAPTURING_CONTRAST "capturing-contrast"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Direction of contrast processing applied when capturing an image. (string)
|
|
Packit |
971217 |
The allowed values are:
|
|
Packit |
971217 |
"normal"
|
|
Packit |
971217 |
"soft"
|
|
Packit |
971217 |
"hard"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_CAPTURING_SATURATION
|
|
Packit |
971217 |
#define GST_TAG_CAPTURING_SATURATION "capturing-saturation"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Direction of saturation processing applied when capturing an image. (string)
|
|
Packit |
971217 |
The allowed values are:
|
|
Packit |
971217 |
"normal"
|
|
Packit |
971217 |
"low-saturation"
|
|
Packit |
971217 |
"high-saturation"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_CAPTURING_SHARPNESS
|
|
Packit |
971217 |
#define GST_TAG_CAPTURING_SHARPNESS "capturing-sharpness"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Direction of sharpness processing applied when capturing an image. (string)
|
|
Packit |
971217 |
The allowed values are:
|
|
Packit |
971217 |
"normal"
|
|
Packit |
971217 |
"soft"
|
|
Packit |
971217 |
"hard"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_CAPTURING_FLASH_FIRED
|
|
Packit |
971217 |
#define GST_TAG_CAPTURING_FLASH_FIRED "capturing-flash-fired"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
If flash was fired during the capture of an image. (boolean)
|
|
Packit |
971217 |
Note that if this tag isn't present, it should not be assumed that
|
|
Packit |
971217 |
the flash did not fire. It should be treated as unknown.
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_CAPTURING_FLASH_MODE
|
|
Packit |
971217 |
#define GST_TAG_CAPTURING_FLASH_MODE "capturing-flash-mode"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
The flash mode selected during the capture of an image. (string)
|
|
Packit |
971217 |
The allowed values are:
|
|
Packit |
971217 |
"auto"
|
|
Packit |
971217 |
"always"
|
|
Packit |
971217 |
"never"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_CAPTURING_METERING_MODE
|
|
Packit |
971217 |
#define GST_TAG_CAPTURING_METERING_MODE "capturing-metering-mode"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Defines the way a camera determines the exposure. (string)
|
|
Packit |
971217 |
The allowed values are:
|
|
Packit |
971217 |
"unknown"
|
|
Packit |
971217 |
"average"
|
|
Packit |
971217 |
"center-weighted-average"
|
|
Packit |
971217 |
"spot"
|
|
Packit |
971217 |
"multi-spot"
|
|
Packit |
971217 |
"pattern"
|
|
Packit |
971217 |
"partial"
|
|
Packit |
971217 |
"other"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_TAG_CAPTURING_SOURCE
|
|
Packit |
971217 |
#define GST_TAG_CAPTURING_SOURCE "capturing-source"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Indicates the source of capture. The device/medium used to do the
|
|
Packit |
971217 |
capture. (string)
|
|
Packit |
971217 |
Allowed values are:
|
|
Packit |
971217 |
"dsc" (= digital still camera)
|
|
Packit |
971217 |
"transparent-scanner"
|
|
Packit |
971217 |
"reflex-scanner"
|
|
Packit |
971217 |
"other"
|
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GST_TAG_CAPTURING_EXPOSURE_COMPENSATION
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#define GST_TAG_CAPTURING_EXPOSURE_COMPENSATION "capturing-exposure-compensation"
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Exposure compensation using when capturing an image in EV. (double)
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GST_TAG_IMAGE_HORIZONTAL_PPI
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#define GST_TAG_IMAGE_HORIZONTAL_PPI "image-horizontal-ppi"
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Media (image/video) intended horizontal pixel density in ppi. (double)
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GST_TAG_IMAGE_VERTICAL_PPI
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#define GST_TAG_IMAGE_VERTICAL_PPI "image-vertical-ppi"
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Media (image/video) intended vertical pixel density in ppi. (double)
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GST_TAG_ID3V2_HEADER_SIZE
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#define GST_TAG_ID3V2_HEADER_SIZE 10
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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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GST_TAG_MUSICAL_KEY
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#define GST_TAG_MUSICAL_KEY "musical-key"
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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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Since: 1.2
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enum GstTagImageType
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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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Members
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GST_TAG_IMAGE_TYPE_NONE
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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
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Undefined/other image type
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GST_TAG_IMAGE_TYPE_FRONT_COVER
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Cover (front)
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GST_TAG_IMAGE_TYPE_BACK_COVER
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Cover (back)
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GST_TAG_IMAGE_TYPE_LEAFLET_PAGE
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Leaflet page
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GST_TAG_IMAGE_TYPE_MEDIUM
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Medium (e.g. label side of CD)
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GST_TAG_IMAGE_TYPE_LEAD_ARTIST
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Lead artist/lead performer/soloist
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GST_TAG_IMAGE_TYPE_ARTIST
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Artist/performer
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GST_TAG_IMAGE_TYPE_CONDUCTOR
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Conductor
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GST_TAG_IMAGE_TYPE_BAND_ORCHESTRA
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Band/orchestra
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GST_TAG_IMAGE_TYPE_COMPOSER
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Composer
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GST_TAG_IMAGE_TYPE_LYRICIST
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Lyricist/text writer
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GST_TAG_IMAGE_TYPE_RECORDING_LOCATION
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Recording location
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GST_TAG_IMAGE_TYPE_DURING_RECORDING
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During recording
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GST_TAG_IMAGE_TYPE_DURING_PERFORMANCE
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During performance
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GST_TAG_IMAGE_TYPE_VIDEO_CAPTURE
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Movie/video screen capture
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GST_TAG_IMAGE_TYPE_FISH
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A fish as funny as the ID3v2 spec
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GST_TAG_IMAGE_TYPE_ILLUSTRATION
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Illustration
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GST_TAG_IMAGE_TYPE_BAND_ARTIST_LOGO
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Band/artist logotype
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GST_TAG_IMAGE_TYPE_PUBLISHER_STUDIO_LOGO
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Publisher/studio logotype
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See Also
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GstTagList
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Generated by GTK-Doc V1.27
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</body>
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</html>
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