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gstreamer/ges/ges-meta-container.h
Henry Wilkes 3324fe7d95 docs: update GESMetaContainer
2020-03-05 17:04:51 -03:00

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/* GStreamer Editing Services
* Copyright (C) 2012 Paul Lange <palango@gmx.de>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef _GES_META_CONTAINER
#define _GES_META_CONTAINER
#include <glib-object.h>
#include <gst/gst.h>
#include <ges/ges-types.h>
#include "ges-enums.h"
G_BEGIN_DECLS
#define GES_TYPE_META_CONTAINER (ges_meta_container_get_type ())
#define GES_META_CONTAINER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_META_CONTAINER, GESMetaContainer))
#define GES_IS_META_CONTAINER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_META_CONTAINER))
#define GES_META_CONTAINER_GET_INTERFACE (inst) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GES_TYPE_META_CONTAINER, GESMetaContainerInterface))
/**
* GES_META_FORMATTER_NAME:
*
* The name of a formatter, used as the #GESAsset:id for #GESFormatter
* assets (string).
*/
#define GES_META_FORMATTER_NAME "name"
/**
* GES_META_DESCRIPTION:
*
* The description of the object, to be used in various contexts (string).
*/
#define GES_META_DESCRIPTION "description"
/**
* GES_META_FORMATTER_MIMETYPE:
*
* The mimetype used for the file produced by a #GESFormatter (string).
*/
#define GES_META_FORMATTER_MIMETYPE "mimetype"
/**
* GES_META_FORMATTER_EXTENSION:
*
* The file extension of files produced by a #GESFormatter (string).
*/
#define GES_META_FORMATTER_EXTENSION "extension"
/**
* GES_META_FORMATTER_VERSION:
*
* The version of a #GESFormatter (double).
*/
#define GES_META_FORMATTER_VERSION "version"
/**
* GES_META_FORMATTER_RANK:
*
* The rank of a #GESFormatter (a #GstRank).
*/
#define GES_META_FORMATTER_RANK "rank"
/**
* GES_META_VOLUME:
*
* The volume for a #GESTrack or a #GESLayer (float).
*/
#define GES_META_VOLUME "volume"
/**
* GES_META_VOLUME_DEFAULT:
*
* The default volume for a #GESTrack or a #GESLayer as a float.
*/
#define GES_META_VOLUME_DEFAULT 1.0
/**
* GES_META_FORMAT_VERSION:
*
* The version of the format in which a project is serialized (string).
*/
#define GES_META_FORMAT_VERSION "format-version"
/**
* GES_META_MARKER_COLOR:
*
* The ARGB color of a #GESMarker (an AARRGGBB hex as a uint).
*/
#define GES_META_MARKER_COLOR "marker-color"
typedef struct _GESMetaContainer GESMetaContainer;
typedef struct _GESMetaContainerInterface GESMetaContainerInterface;
struct _GESMetaContainerInterface {
GTypeInterface parent_iface;
gpointer _ges_reserved[GES_PADDING];
};
GES_API
GType ges_meta_container_get_type (void);
GES_API gboolean
ges_meta_container_set_boolean (GESMetaContainer *container,
const gchar* meta_item,
gboolean value);
GES_API gboolean
ges_meta_container_set_int (GESMetaContainer *container,
const gchar* meta_item,
gint value);
GES_API gboolean
ges_meta_container_set_uint (GESMetaContainer *container,
const gchar* meta_item,
guint value);
GES_API gboolean
ges_meta_container_set_int64 (GESMetaContainer *container,
const gchar* meta_item,
gint64 value);
GES_API gboolean
ges_meta_container_set_uint64 (GESMetaContainer *container,
const gchar* meta_item,
guint64 value);
GES_API gboolean
ges_meta_container_set_float (GESMetaContainer *container,
const gchar* meta_item,
gfloat value);
GES_API gboolean
ges_meta_container_set_double (GESMetaContainer *container,
const gchar* meta_item,
gdouble value);
GES_API gboolean
ges_meta_container_set_date (GESMetaContainer *container,
const gchar* meta_item,
const GDate* value);
GES_API gboolean
ges_meta_container_set_date_time (GESMetaContainer *container,
const gchar* meta_item,
const GstDateTime* value);
GES_API gboolean
ges_meta_container_set_string (GESMetaContainer *container,
const gchar* meta_item,
const gchar* value);
GES_API gboolean
ges_meta_container_set_meta (GESMetaContainer * container,
const gchar* meta_item,
const GValue *value);
GES_API gboolean
ges_meta_container_set_marker_list (GESMetaContainer * container,
const gchar * meta_item,
const GESMarkerList *list);
GES_API gboolean
ges_meta_container_register_static_meta (GESMetaContainer * container,
GESMetaFlag flags,
const gchar * meta_item,
GType type);
GES_API gboolean
ges_meta_container_register_meta_boolean (GESMetaContainer *container,
GESMetaFlag flags,
const gchar* meta_item,
gboolean value);
GES_API gboolean
ges_meta_container_register_meta_int (GESMetaContainer *container,
GESMetaFlag flags,
const gchar* meta_item,
gint value);
GES_API gboolean
ges_meta_container_register_meta_uint (GESMetaContainer *container,
GESMetaFlag flags,
const gchar* meta_item,
guint value);
GES_API gboolean
ges_meta_container_register_meta_int64 (GESMetaContainer *container,
GESMetaFlag flags,
const gchar* meta_item,
gint64 value);
GES_API gboolean
ges_meta_container_register_meta_uint64 (GESMetaContainer *container,
GESMetaFlag flags,
const gchar* meta_item,
guint64 value);
GES_API gboolean
ges_meta_container_register_meta_float (GESMetaContainer *container,
GESMetaFlag flags,
const gchar* meta_item,
gfloat value);
GES_API gboolean
ges_meta_container_register_meta_double (GESMetaContainer *container,
GESMetaFlag flags,
const gchar* meta_item,
gdouble value);
GES_API gboolean
ges_meta_container_register_meta_date (GESMetaContainer *container,
GESMetaFlag flags,
const gchar* meta_item,
const GDate* value);
GES_API gboolean
ges_meta_container_register_meta_date_time (GESMetaContainer *container,
GESMetaFlag flags,
const gchar* meta_item,
const GstDateTime* value);
GES_API gboolean
ges_meta_container_register_meta_string (GESMetaContainer *container,
GESMetaFlag flags,
const gchar* meta_item,
const gchar* value);
GES_API gboolean
ges_meta_container_register_meta (GESMetaContainer *container,
GESMetaFlag flags,
const gchar* meta_item,
const GValue * value);
GES_API gboolean
ges_meta_container_check_meta_registered (GESMetaContainer *container,
const gchar * meta_item,
GESMetaFlag * flags,
GType * type);
GES_API gboolean
ges_meta_container_get_boolean (GESMetaContainer *container,
const gchar* meta_item,
gboolean* dest);
GES_API gboolean
ges_meta_container_get_int (GESMetaContainer *container,
const gchar* meta_item,
gint* dest);
GES_API gboolean
ges_meta_container_get_uint (GESMetaContainer *container,
const gchar* meta_item,
guint* dest);
GES_API gboolean
ges_meta_container_get_int64 (GESMetaContainer *container,
const gchar* meta_item,
gint64* dest);
GES_API gboolean
ges_meta_container_get_uint64 (GESMetaContainer *container,
const gchar* meta_item,
guint64* dest);
GES_API gboolean
ges_meta_container_get_float (GESMetaContainer *container,
const gchar* meta_item,
gfloat* dest);
GES_API gboolean
ges_meta_container_get_double (GESMetaContainer *container,
const gchar* meta_item,
gdouble* dest);
GES_API gboolean
ges_meta_container_get_date (GESMetaContainer *container,
const gchar* meta_item,
GDate** dest);
GES_API gboolean
ges_meta_container_get_date_time (GESMetaContainer *container,
const gchar* meta_item,
GstDateTime** dest);
GES_API const gchar *
ges_meta_container_get_string (GESMetaContainer * container,
const gchar * meta_item);
GES_API GESMarkerList *
ges_meta_container_get_marker_list (GESMetaContainer * container,
const gchar * key);
GES_API const GValue *
ges_meta_container_get_meta (GESMetaContainer * container,
const gchar * key);
/**
* GESMetaForeachFunc:
* @container: A #GESMetaContainer
* @key: The key for one of @container's fields
* @value: The set value under @key
* @user_data: User data
*
* A method to be called on all of a meta container's fields.
*/
typedef void
(*GESMetaForeachFunc) (const GESMetaContainer *container,
const gchar *key,
const GValue *value,
gpointer user_data);
GES_API void
ges_meta_container_foreach (GESMetaContainer *container,
GESMetaForeachFunc func,
gpointer user_data);
GES_API gchar *
ges_meta_container_metas_to_string (GESMetaContainer *container);
GES_API gboolean
ges_meta_container_add_metas_from_string (GESMetaContainer *container,
const gchar *str);
G_END_DECLS
#endif /* _GES_META_CONTAINER */
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