/usr/include/d/gtkd-3/gstreamer/Meta.d is in libgstreamerd-3-dev 3.7.5-2build1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 | /*
* This file is part of gtkD.
*
* gtkD is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 3
* of the License, or (at your option) any later version, with
* some exceptions, please read the COPYING file.
*
* gtkD is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with gtkD; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
*/
// generated automatically - do not change
// find conversion definition on APILookup.txt
// implement new conversion functionalities on the wrap.utils pakage
module gstreamer.Meta;
private import glib.Str;
private import glib.c.functions;
private import gstreamer.c.functions;
public import gstreamer.c.types;
public import gstreamerc.gstreamertypes;
private import gtkd.Loader;
/**
* The #GstMeta structure should be included as the first member of a #GstBuffer
* metadata structure. The structure defines the API of the metadata and should
* be accessible to all elements using the metadata.
*
* A metadata API is registered with gst_meta_api_type_register() which takes a
* name for the metadata API and some tags associated with the metadata.
* With gst_meta_api_type_has_tag() one can check if a certain metadata API
* contains a given tag.
*
* Multiple implementations of a metadata API can be registered.
* To implement a metadata API, gst_meta_register() should be used. This
* function takes all parameters needed to create, free and transform metadata
* along with the size of the metadata. The function returns a #GstMetaInfo
* structure that contains the information for the implementation of the API.
*
* A specific implementation can be retrieved by name with gst_meta_get_info().
*
* See #GstBuffer for how the metadata can be added, retrieved and removed from
* buffers.
*/
public struct Meta
{
/**
*
* Params:
* api = an API
* Returns: an array of tags as strings.
*
* Since: 1.2
*/
public static string[] apiTypeGetTags(GType api)
{
return Str.toStringArray(gst_meta_api_type_get_tags(api));
}
/**
* Check if @api was registered with @tag.
*
* Params:
* api = an API
* tag = the tag to check
*
* Returns: %TRUE if @api was registered with @tag.
*/
public static bool apiTypeHasTag(GType api, GQuark tag)
{
return gst_meta_api_type_has_tag(api, tag) != 0;
}
/**
* Register and return a GType for the @api and associate it with
* @tags.
*
* Params:
* api = an API to register
* tags = tags for @api
*
* Returns: a unique GType for @api.
*/
public static GType apiTypeRegister(string api, string[] tags)
{
return gst_meta_api_type_register(Str.toStringz(api), Str.toStringzArray(tags));
}
/**
* Lookup a previously registered meta info structure by its implementation name
* @impl.
*
* Params:
* impl = the name
*
* Returns: a #GstMetaInfo with @impl, or
* %NULL when no such metainfo exists.
*/
public static GstMetaInfo* getInfo(string impl)
{
return gst_meta_get_info(Str.toStringz(impl));
}
/**
* Register a new #GstMeta implementation.
*
* The same @info can be retrieved later with gst_meta_get_info() by using
* @impl as the key.
*
* Params:
* api = the type of the #GstMeta API
* impl = the name of the #GstMeta implementation
* size = the size of the #GstMeta structure
* initFunc = a #GstMetaInitFunction
* freeFunc = a #GstMetaFreeFunction
* transformFunc = a #GstMetaTransformFunction
*
* Returns: a #GstMetaInfo that can be used to access metadata.
*/
public static GstMetaInfo* register(GType api, string impl, size_t size, GstMetaInitFunction initFunc, GstMetaFreeFunction freeFunc, GstMetaTransformFunction transformFunc)
{
return gst_meta_register(api, Str.toStringz(impl), size, initFunc, freeFunc, transformFunc);
}
}
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