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ges: Minor reorganisation of timeline-element.c

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This commit is contained in:
Thibault Saunier 2019-01-24 19:39:48 -03:00
parent 759d1580dc
commit ab2582c97e
1 changed files with 71 additions and 67 deletions
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138
ges/ges-timeline-element.c
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@ -112,6 +112,9 @@ G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GESTimelineElement, ges_timeline_element,
G_IMPLEMENT_INTERFACE (GES_TYPE_EXTRACTABLE, ges_extractable_interface_init)
G_IMPLEMENT_INTERFACE (GES_TYPE_META_CONTAINER, NULL));
/*********************************************
* Virtual methods implementation *
*********************************************/
static void
_set_child_property (GESTimelineElement * self G_GNUC_UNUSED, GObject * child,
GParamSpec * pspec, GValue * value)
@ -518,6 +521,74 @@ _set_name (GESTimelineElement * self, const gchar * wanted_name)
self->name = name;
}
/*********************************************
* Internal and private helpers *
*********************************************/
gdouble
ges_timeline_element_get_media_duration_factor (GESTimelineElement * self)
{
gdouble media_duration_factor;
GESEffectClass *class;
GList *props;
media_duration_factor = 1.0;
class = GES_EFFECT_CLASS (g_type_class_ref (GES_TYPE_EFFECT));
for (props = class->rate_properties; props != NULL; props = props->next) {
GObject *child;
GParamSpec *pspec;
if (ges_timeline_element_lookup_child (self, props->data, &child, &pspec)) {
if (G_PARAM_SPEC_VALUE_TYPE (pspec) == G_TYPE_FLOAT) {
gfloat rate_change;
g_object_get (child, pspec->name, &rate_change, NULL);
media_duration_factor *= rate_change;
} else if (G_PARAM_SPEC_VALUE_TYPE (pspec) == G_TYPE_DOUBLE) {
gdouble rate_change;
g_object_get (child, pspec->name, &rate_change, NULL);
media_duration_factor *= rate_change;
} else {
GST_WARNING_OBJECT (self,
"Rate property %s in child %" GST_PTR_FORMAT
" is of unsupported type %s", pspec->name, child,
G_VALUE_TYPE_NAME (pspec->value_type));
}
gst_object_unref (child);
g_param_spec_unref (pspec);
GST_DEBUG_OBJECT (self,
"Added rate changing property %s, set to value %lf",
(const char *) props->data, media_duration_factor);
}
}
g_type_class_unref (class);
return media_duration_factor;
}
GESTimelineElement *
ges_timeline_element_get_copied_from (GESTimelineElement * self)
{
GESTimelineElement *copied_from = self->priv->copied_from;
self->priv->copied_from = NULL;
return copied_from;
}
GESTimelineElementFlags
ges_timeline_element_flags (GESTimelineElement * self)
{
return self->priv->flags;
}
void
ges_timeline_element_set_flags (GESTimelineElement * self,
GESTimelineElementFlags flags)
{
self->priv->flags = flags;
}
/*********************************************
* API implementation *
*********************************************/
@ -1879,73 +1950,6 @@ ges_timeline_element_get_layer_priority (GESTimelineElement * self)
return GES_TIMELINE_ELEMENT_GET_CLASS (self)->get_layer_priority (self);
}
/* Internal */
gdouble
ges_timeline_element_get_media_duration_factor (GESTimelineElement * self)
{
gdouble media_duration_factor;
GESEffectClass *class;
GList *props;
media_duration_factor = 1.0;
class = GES_EFFECT_CLASS (g_type_class_ref (GES_TYPE_EFFECT));
for (props = class->rate_properties; props != NULL; props = props->next) {
GObject *child;
GParamSpec *pspec;
if (ges_timeline_element_lookup_child (self, props->data, &child, &pspec)) {
if (G_PARAM_SPEC_VALUE_TYPE (pspec) == G_TYPE_FLOAT) {
gfloat rate_change;
g_object_get (child, pspec->name, &rate_change, NULL);
media_duration_factor *= rate_change;
} else if (G_PARAM_SPEC_VALUE_TYPE (pspec) == G_TYPE_DOUBLE) {
gdouble rate_change;
g_object_get (child, pspec->name, &rate_change, NULL);
media_duration_factor *= rate_change;
} else {
GST_WARNING_OBJECT (self,
"Rate property %s in child %" GST_PTR_FORMAT
" is of unsupported type %s", pspec->name, child,
G_VALUE_TYPE_NAME (pspec->value_type));
}
gst_object_unref (child);
g_param_spec_unref (pspec);
GST_DEBUG_OBJECT (self,
"Added rate changing property %s, set to value %lf",
(const char *) props->data, media_duration_factor);
}
}
g_type_class_unref (class);
return media_duration_factor;
}
/* Internal */
GESTimelineElement *
ges_timeline_element_get_copied_from (GESTimelineElement * self)
{
GESTimelineElement *copied_from = self->priv->copied_from;
self->priv->copied_from = NULL;
return copied_from;
}
GESTimelineElementFlags
ges_timeline_element_flags (GESTimelineElement * self)
{
return self->priv->flags;
}
void
ges_timeline_element_set_flags (GESTimelineElement * self,
GESTimelineElementFlags flags)
{
self->priv->flags = flags;
}
/**
* ges_timeline_element_edit:
* @self: the #GESClip to edit