mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-20 23:36:38 +00:00
146 lines
5.3 KiB
C
146 lines
5.3 KiB
C
/* GStreamer Editing Services
|
|
*
|
|
* Copyright (C) 2012 Thibault Saunier <thibault.saunier@collabora.com>
|
|
* Copyright (C) 2012 Volodymyr Rudyi <vladimir.rudoy@gmail.com>
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <glib-object.h>
|
|
#include <ges/ges-extractable.h>
|
|
#include <ges/ges-types.h>
|
|
#include <ges/ges-enums.h>
|
|
#include <gio/gio.h>
|
|
#include <gst/gst.h>
|
|
|
|
G_BEGIN_DECLS
|
|
#define GES_TYPE_ASSET ges_asset_get_type()
|
|
GES_DECLARE_TYPE(Asset, asset, ASSET);
|
|
|
|
/**
|
|
* GESAssetLoadingReturn:
|
|
* @GES_ASSET_LOADING_ERROR: Indicates that an error occurred
|
|
* @GES_ASSET_LOADING_ASYNC: Indicates that the loading is being performed
|
|
* asynchronously
|
|
* @GES_ASSET_LOADING_OK: Indicates that the loading is complete, without
|
|
* error
|
|
*/
|
|
typedef enum
|
|
{
|
|
GES_ASSET_LOADING_ERROR,
|
|
GES_ASSET_LOADING_ASYNC,
|
|
GES_ASSET_LOADING_OK
|
|
} GESAssetLoadingReturn;
|
|
|
|
struct _GESAsset
|
|
{
|
|
GObject parent;
|
|
|
|
/* <private> */
|
|
GESAssetPrivate *priv;
|
|
|
|
/* Padding for API extension */
|
|
gpointer _ges_reserved[GES_PADDING];
|
|
};
|
|
|
|
/**
|
|
* GESAssetClass:
|
|
* @start_loading: A method to be called when an asset is being requested
|
|
* asynchronously. This will be after the properties of the asset have
|
|
* been set, so it is tasked with (re)loading the 'state' of the asset.
|
|
* The return value should indicated whether the loading is complete, is
|
|
* carrying on asynchronously, or an error occurred. The default
|
|
* implementation will simply return that loading is already complete (the
|
|
* asset is already in a usable state after the properties have been set).
|
|
* @extract: A method that returns a new object of the asset's
|
|
* #GESAsset:extractable-type, or %NULL if an error occurs. The default
|
|
* implementation will fetch the properties of the #GESExtractable from
|
|
* its get_parameters_from_id() class method and set them on a new
|
|
* #GESAsset:extractable-type #GObject, which is returned.
|
|
* @request_id_update: A method called by a #GESProject when an asset has
|
|
* failed to load. @error is the error given by
|
|
* ges_asset_request_finish (). Returns: %TRUE if a new id for @self was
|
|
* passed to @proposed_new_id.
|
|
* @proxied: Deprecated: 1.18: This vmethod is no longer called.
|
|
*/
|
|
/* FIXME: add documentation for inform_proxy when it is used properly */
|
|
struct _GESAssetClass
|
|
{
|
|
GObjectClass parent;
|
|
|
|
GESAssetLoadingReturn (*start_loading) (GESAsset *self,
|
|
GError **error);
|
|
GESExtractable* (*extract) (GESAsset *self,
|
|
GError **error);
|
|
/* Let subclasses know that we proxied an asset */
|
|
void (*inform_proxy) (GESAsset *self,
|
|
const gchar *proxy_id);
|
|
|
|
void (*proxied) (GESAsset *self,
|
|
GESAsset *proxy);
|
|
|
|
/* Ask subclasses for a new ID for @self when the asset failed loading
|
|
* This function returns %FALSE when the ID could be updated or %TRUE
|
|
* otherwize */
|
|
gboolean (*request_id_update) (GESAsset *self,
|
|
gchar **proposed_new_id,
|
|
GError *error) ;
|
|
gpointer _ges_reserved[GES_PADDING];
|
|
};
|
|
|
|
GES_API
|
|
GType ges_asset_get_extractable_type (GESAsset * self);
|
|
GES_API
|
|
void ges_asset_request_async (GType extractable_type,
|
|
const gchar * id,
|
|
GCancellable *cancellable,
|
|
GAsyncReadyCallback callback,
|
|
gpointer user_data);
|
|
GES_API
|
|
GESAsset * ges_asset_request (GType extractable_type,
|
|
const gchar * id,
|
|
GError **error);
|
|
GES_API
|
|
const gchar * ges_asset_get_id (GESAsset* self);
|
|
GES_API
|
|
GESAsset * ges_asset_request_finish (GAsyncResult *res,
|
|
GError **error);
|
|
GES_API
|
|
GError * ges_asset_get_error (GESAsset * self);
|
|
GES_API
|
|
GESExtractable * ges_asset_extract (GESAsset * self,
|
|
GError **error);
|
|
GES_API
|
|
GList * ges_list_assets (GType filter);
|
|
|
|
|
|
GES_API
|
|
gboolean ges_asset_set_proxy (GESAsset *asset, GESAsset *proxy);
|
|
GES_API
|
|
gboolean ges_asset_unproxy (GESAsset *asset, GESAsset * proxy);
|
|
GES_API
|
|
GList * ges_asset_list_proxies (GESAsset *asset);
|
|
GES_API
|
|
GESAsset * ges_asset_get_proxy_target(GESAsset *proxy);
|
|
GES_API
|
|
GESAsset * ges_asset_get_proxy (GESAsset *asset);
|
|
GES_API
|
|
gboolean ges_asset_needs_reload (GType extractable_type,
|
|
const gchar * id);
|
|
|
|
G_END_DECLS
|