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gstreamer/ges/ges-meta-container.h
Thibault Saunier b87c800743 meta-container: Add a VOLUME default meta to layers
2013-06-23 18:28:53 -04:00

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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:
*
* Name of a formatter it is used as ID of Formater assets (string)
*
* The name of the formatter
*/
#define GES_META_FORMATTER_NAME "name"
/**
* GES_META_DESCRIPTION:
*
* The description of an object, can be used in various context (string)
*
* The description
*/
#define GES_META_DESCRIPTION "description"
/**
* GES_META_FORMATTER_MIMETYPE:
*
* Mimetype used for the file produced by a formatter (string)
*
* The mime type
*/
#define GES_META_FORMATTER_MIMETYPE "mimetype"
/**
* GES_META_FORMATTER_EXTENSION:
*
* The extension of the files produced by a formatter (string)
*/
#define GES_META_FORMATTER_EXTENSION "extension"
/**
* GES_META_FORMATTER_VERSION:
*
* The version of a formatter (double)
*
* The formatter version
*/
#define GES_META_FORMATTER_VERSION "version"
/**
* GES_META_FORMATTER_RANK:
*
* The rank of a formatter (GstRank)
*
* The rank of a formatter
*/
#define GES_META_FORMATTER_RANK "rank"
/**
* GES_META_VOLUME:
*
* The volume, can be used for audio track or layers
*
* The volume for a track or a layer, it is register as a float
*/
#define GES_META_VOLUME "volume"
/**
* GES_META_VOLUME_DEFAULT:
*
* The default volume
*
* The default volume for a track or a layer as a float
*/
#define GES_META_VOLUME_DEFAULT 1.0
typedef struct _GESMetaContainer GESMetaContainer;
typedef struct _GESMetaContainerInterface GESMetaContainerInterface;
struct _GESMetaContainerInterface {
GTypeInterface parent_iface;
gpointer _ges_reserved[GES_PADDING];
};
GType ges_meta_container_get_type (void);
gboolean
ges_meta_container_set_boolean (GESMetaContainer *container,
const gchar* meta_item,
gboolean value);
gboolean
ges_meta_container_set_int (GESMetaContainer *container,
const gchar* meta_item,
gint value);
gboolean
ges_meta_container_set_uint (GESMetaContainer *container,
const gchar* meta_item,
guint value);
gboolean
ges_meta_container_set_int64 (GESMetaContainer *container,
const gchar* meta_item,
gint64 value);
gboolean
ges_meta_container_set_uint64 (GESMetaContainer *container,
const gchar* meta_item,
guint64 value);
gboolean
ges_meta_container_set_float (GESMetaContainer *container,
const gchar* meta_item,
gfloat value);
gboolean
ges_meta_container_set_double (GESMetaContainer *container,
const gchar* meta_item,
gdouble value);
gboolean
ges_meta_container_set_date (GESMetaContainer *container,
const gchar* meta_item,
const GDate* value);
gboolean
ges_meta_container_set_date_time (GESMetaContainer *container,
const gchar* meta_item,
const GstDateTime* value);
gboolean
ges_meta_container_set_string (GESMetaContainer *container,
const gchar* meta_item,
const gchar* value);
gboolean
ges_meta_container_set_meta (GESMetaContainer * container,
const gchar* meta_item,
const GValue *value);
gboolean
ges_meta_container_register_meta_boolean (GESMetaContainer *container,
GESMetaFlag flags,
const gchar* meta_item,
gboolean value);
gboolean
ges_meta_container_register_meta_int (GESMetaContainer *container,
GESMetaFlag flags,
const gchar* meta_item,
gint value);
gboolean
ges_meta_container_register_meta_uint (GESMetaContainer *container,
GESMetaFlag flags,
const gchar* meta_item,
guint value);
gboolean
ges_meta_container_register_meta_int64 (GESMetaContainer *container,
GESMetaFlag flags,
const gchar* meta_item,
gint64 value);
gboolean
ges_meta_container_register_meta_uint64 (GESMetaContainer *container,
GESMetaFlag flags,
const gchar* meta_item,
guint64 value);
gboolean
ges_meta_container_register_meta_float (GESMetaContainer *container,
GESMetaFlag flags,
const gchar* meta_item,
gfloat value);
gboolean
ges_meta_container_register_meta_double (GESMetaContainer *container,
GESMetaFlag flags,
const gchar* meta_item,
gdouble value);
gboolean
ges_meta_container_register_meta_date (GESMetaContainer *container,
GESMetaFlag flags,
const gchar* meta_item,
const GDate* value);
gboolean
ges_meta_container_register_meta_date_time (GESMetaContainer *container,
GESMetaFlag flags,
const gchar* meta_item,
const GstDateTime* value);
gboolean
ges_meta_container_register_meta_string (GESMetaContainer *container,
GESMetaFlag flags,
const gchar* meta_item,
const gchar* value);
gboolean
ges_meta_container_register_meta (GESMetaContainer *container,
GESMetaFlag flags,
const gchar* meta_item,
const GValue * value);
gboolean
ges_meta_container_check_meta_registered (GESMetaContainer *container,
const gchar * meta_item,
GESMetaFlag * flags,
GType * type);
gboolean
ges_meta_container_get_boolean (GESMetaContainer *container,
const gchar* meta_item,
gboolean* dest);
gboolean
ges_meta_container_get_int (GESMetaContainer *container,
const gchar* meta_item,
gint* dest);
gboolean
ges_meta_container_get_uint (GESMetaContainer *container,
const gchar* meta_item,
guint* dest);
gboolean
ges_meta_container_get_int64 (GESMetaContainer *container,
const gchar* meta_item,
gint64* dest);
gboolean
ges_meta_container_get_uint64 (GESMetaContainer *container,
const gchar* meta_item,
guint64* dest);
gboolean
ges_meta_container_get_float (GESMetaContainer *container,
const gchar* meta_item,
gfloat* dest);
gboolean
ges_meta_container_get_double (GESMetaContainer *container,
const gchar* meta_item,
gdouble* dest);
gboolean
ges_meta_container_get_date (GESMetaContainer *container,
const gchar* meta_item,
GDate** dest);
gboolean
ges_meta_container_get_date_time (GESMetaContainer *container,
const gchar* meta_item,
GstDateTime** dest);
const gchar *
ges_meta_container_get_string (GESMetaContainer * container,
const gchar * meta_item);
const GValue *
ges_meta_container_get_meta (GESMetaContainer * container,
const gchar * key);
typedef void
(*GESMetaForeachFunc) (const GESMetaContainer *container,
const gchar *key,
const GValue *value,
gpointer user_data);
void
ges_meta_container_foreach (GESMetaContainer *container,
GESMetaForeachFunc func,
gpointer user_data);
gchar *
ges_meta_container_metas_to_string (GESMetaContainer *container);
gboolean
ges_meta_container_add_metas_from_string (GESMetaContainer *container,
const gchar *str);
G_END_DECLS
#endif /* _GES_META_CONTAINER */
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