95 lines
3.2 KiB
C
95 lines
3.2 KiB
C
/* GStreamer Editing Services
|
|
* Copyright (C) 2010 Thibault Saunier <thibault.saunier@collabora.co.uk>
|
|
*
|
|
* 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., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <glib-object.h>
|
|
#include <ges/ges-types.h>
|
|
#include <ges/ges-operation.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GES_TYPE_BASE_EFFECT ges_base_effect_get_type()
|
|
GES_DECLARE_TYPE(BaseEffect, base_effect, BASE_EFFECT);
|
|
|
|
/**
|
|
* GESBaseEffect:
|
|
*/
|
|
struct _GESBaseEffect
|
|
{
|
|
/*< private > */
|
|
GESOperation parent;
|
|
GESBaseEffectPrivate *priv;
|
|
|
|
/* Padding for API extension */
|
|
gpointer _ges_reserved[GES_PADDING];
|
|
};
|
|
|
|
/**
|
|
* GESBaseEffectClass:
|
|
* @parent_class: parent class
|
|
*/
|
|
|
|
struct _GESBaseEffectClass
|
|
{
|
|
/*< private > */
|
|
GESOperationClass parent_class;
|
|
|
|
/* Padding for API extension */
|
|
gpointer _ges_reserved[GES_PADDING];
|
|
|
|
};
|
|
|
|
/**
|
|
* GESBaseEffectTimeTranslationFunc:
|
|
* @effect: The #GESBaseEffect that is doing the time translation
|
|
* @time: The #GstClockTime to translation
|
|
* @time_property_values: (element-type gchar* GValue*): A table of child
|
|
* property name/value pairs
|
|
* @user_data: Data passed to ges_base_effect_set_time_translation_funcs()
|
|
*
|
|
* A function for querying how an effect would translate a time if it had
|
|
* the given child property values set. The keys for @time_properties will
|
|
* be the same string that was passed to
|
|
* ges_base_effect_register_time_property(), the values will be #GValue*
|
|
* values of the corresponding child properties. You should always use the
|
|
* values given in @time_properties before using the currently set values.
|
|
*
|
|
* Returns: The translated time.
|
|
* Since: 1.18
|
|
*/
|
|
typedef GstClockTime (*GESBaseEffectTimeTranslationFunc) (GESBaseEffect * effect,
|
|
GstClockTime time,
|
|
GHashTable * time_property_values,
|
|
gpointer user_data);
|
|
|
|
GES_API gboolean
|
|
ges_base_effect_register_time_property (GESBaseEffect * effect,
|
|
const gchar * child_property_name);
|
|
GES_API gboolean
|
|
ges_base_effect_set_time_translation_funcs (GESBaseEffect * effect,
|
|
GESBaseEffectTimeTranslationFunc source_to_sink_func,
|
|
GESBaseEffectTimeTranslationFunc sink_to_source_func,
|
|
gpointer user_data,
|
|
GDestroyNotify destroy);
|
|
GES_API gboolean
|
|
ges_base_effect_is_time_effect (GESBaseEffect * effect);
|
|
|
|
G_END_DECLS
|