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
|
/* 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
|
