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ges/ges-track-transition.{c,h}: add ability to change smptealpha type

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This commit is contained in:
Brandon Lewis 2010-06-02 18:55:52 +02:00 committed by Edward Hervey
parent 45016397b9
commit 2f18595e6e
2 changed files with 29 additions and 3 deletions
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29
ges/ges-track-transition.c
View file

@ -173,6 +173,10 @@ ges_track_transition_dispose (GObject * object)
self->a_bcontrol_source = NULL;
}
if (self->vsmpte) {
g_object_unref (self->vsmpte);
}
G_OBJECT_CLASS (ges_track_transition_parent_class)->dispose (object);
}
@ -198,7 +202,7 @@ link_element_to_mixer (GstElement * element, GstElement * mixer)
static GObject *
link_element_to_mixer_with_smpte (GstBin * bin, GstElement * element,
GstElement * mixer, gint type)
GstElement * mixer, gint type, GstElement ** smpteref)
{
GstElement *smptealpha = gst_element_factory_make ("smptealpha", NULL);
g_object_set (G_OBJECT (smptealpha),
@ -207,6 +211,11 @@ link_element_to_mixer_with_smpte (GstBin * bin, GstElement * element,
gst_element_link_many (element, smptealpha, mixer, NULL);
/* crack */
if (smpteref) {
*smpteref = smptealpha;
}
return G_OBJECT (smptealpha);
}
@ -247,9 +256,10 @@ create_video_bin (GESTrackTransition * self)
if (self->vtype) {
link_element_to_mixer_with_smpte (GST_BIN (topbin), iconva, mixer,
self->vtype);
self->vtype, NULL);
target = link_element_to_mixer_with_smpte (GST_BIN (topbin), iconvb,
mixer, self->vtype);
mixer, self->vtype, &self->vsmpte);
g_object_ref (self->vsmpte);
propname = "position";
self->vstart_value = 1.0;
self->vend_value = 0.0;
@ -426,6 +436,7 @@ ges_track_transition_init (GESTrackTransition * self)
{
self->vcontroller = NULL;
self->vcontrol_source = NULL;
self->vsmpte = NULL;
self->vtype = 0;
self->vstart_value = 0.0;
self->vend_value = 0.0;
@ -437,6 +448,18 @@ ges_track_transition_init (GESTrackTransition * self)
self->a_bcontrol_source = NULL;
}
gboolean
ges_track_transition_set_vtype (GESTrackTransition * self, gint vtype)
{
if ((!vtype && (self->vtype)) || (vtype && !(self->vtype))) {
GST_WARNING
("Changing between 'crossfade' and other types is not supported\n");
}
self->vtype = vtype;
if (self->vsmpte && (vtype != 0))
g_object_set (self->vsmpte, "type", (gint) vtype, NULL);
}
GESTrackTransition *
ges_track_transition_new (gint value)
{

3
ges/ges-track-transition.h
View file

@ -73,6 +73,9 @@ struct _GESTrackTransition
GstController *vcontroller;
GstInterpolationControlSource *vcontrol_source;
/* so we can support changing between wipes */
GstElement *vsmpte;
/* these will be different depending on whether smptealpha or alpha element
* is used */
gdouble vstart_value;