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track-object: Add method to copy a TrackObject

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API: ges_track_object_copy
This commit is contained in:
Thibault Saunier 2012-04-19 00:34:59 -04:00
parent 7b0797c992
commit efc28fd35e
2 changed files with 50 additions and 0 deletions
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4
ges/ges-internal.h
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@ -22,8 +22,12 @@
#define __GES_INTERNAL_H__
#include <gst/gst.h>
#include "ges-track-object.h"
GST_DEBUG_CATEGORY_EXTERN (_ges_debug);
#define GST_CAT_DEFAULT _ges_debug
GESTrackObject *
ges_track_object_copy (GESTrackObject * object, gboolean deep);
#endif /* __GES_INTERNAL_H__ */

46
ges/ges-track-object.c
View file

@ -1498,3 +1498,49 @@ ges_track_object_set_max_duration (GESTrackObject * object, guint64 maxduration)
object->priv->maxduration = maxduration;
}
GESTrackObject *
ges_track_object_copy (GESTrackObject * object, gboolean deep)
{
GESTrackObject *ret = NULL;
GParameter *params;
GParamSpec **specs;
guint n, n_specs, n_params;
GValue val = { 0 };
g_return_val_if_fail (GES_IS_TRACK_OBJECT (object), NULL);
specs =
g_object_class_list_properties (G_OBJECT_GET_CLASS (object), &n_specs);
params = g_new0 (GParameter, n_specs);
n_params = 0;
for (n = 0; n < n_specs; ++n) {
if (g_strcmp0 (specs[n]->name, "parent") &&
(specs[n]->flags & G_PARAM_READWRITE) == G_PARAM_READWRITE) {
params[n_params].name = g_intern_string (specs[n]->name);
g_value_init (&params[n_params].value, specs[n]->value_type);
g_object_get_property (G_OBJECT (object), specs[n]->name,
&params[n_params].value);
++n_params;
}
}
ret = g_object_newv (G_TYPE_FROM_INSTANCE (object), n_params, params);
g_free (specs);
g_free (params);
if (deep == FALSE)
return ret;
ensure_gnl_object (ret);
specs = ges_track_object_list_children_properties (object, &n_specs);
for (n = 0; n < n_specs; ++n) {
g_value_init (&val, specs[n]->value_type);
g_object_get_property (G_OBJECT (object), specs[n]->name, &val);
ges_track_object_set_child_property_by_pspec (ret, specs[n], &val);
g_value_unset (&val);
}
return ret;
}