/**
* ges_timeline_text_overlay_set_font_desc:
* @self: the #GESTimelineTextOverlay*
* @font_desc: the pango font description
*
* Sets the pango font description of the text
*
*/
void
ges_timeline_text_overlay_set_font_desc (GESTimelineTextOverlay * self,
const gchar * font_desc)
{
GList *tmp, *trackobjects;
GESTimelineObject *object = (GESTimelineObject *) self;
GST_DEBUG ("self:%p, font_desc:%s", self, font_desc);
if (self->priv->font_desc)
g_free (self->priv->font_desc);
self->priv->font_desc = g_strdup (font_desc);
trackobjects = ges_timeline_object_get_track_objects (object);
for (tmp = trackobjects; tmp; tmp = tmp->next) {
GESTrackObject *trackobject = (GESTrackObject *) tmp->data;
if (ges_track_object_get_track (trackobject)->type == GES_TRACK_TYPE_VIDEO)
ges_track_text_overlay_set_font_desc (GES_TRACK_TEXT_OVERLAY
(trackobject), self->priv->font_desc);
g_object_unref (GES_TRACK_OBJECT (tmp->data));
}
g_list_free (trackobjects);
}
static void
ges_track_object_set_property (GObject * object, guint property_id,
const GValue * value, GParamSpec * pspec)
{
GESTrackObject *tobj = GES_TRACK_OBJECT (object);
switch (property_id) {
case PROP_START:
ges_track_object_set_start_internal (tobj, g_value_get_uint64 (value));
break;
case PROP_INPOINT:
ges_track_object_set_inpoint_internal (tobj, g_value_get_uint64 (value));
break;
case PROP_DURATION:
ges_track_object_set_duration_internal (tobj, g_value_get_uint64 (value));
break;
case PROP_PRIORITY:
ges_track_object_set_priority_internal (tobj, g_value_get_uint (value));
break;
case PROP_ACTIVE:
ges_track_object_set_active (tobj, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
ges_track_object_dispose (GObject * object)
{
GESTrackObjectPrivate *priv = GES_TRACK_OBJECT (object)->priv;
if (priv->properties_hashtable)
g_hash_table_destroy (priv->properties_hashtable);
if (priv->gnlobject) {
GstState cstate;
if (priv->track != NULL) {
GST_ERROR_OBJECT (object, "Still in %p, this means that you forgot"
" to remove it from the GESTrack it is contained in. You always need"
" to remove a GESTrackObject from its track before dropping the last"
" reference\n"
"This problem may also be caused by a refcounting bug in"
" the application or GES itself.", priv->track);
gst_element_get_state (priv->gnlobject, &cstate, NULL, 0);
if (cstate != GST_STATE_NULL)
gst_element_set_state (priv->gnlobject, GST_STATE_NULL);
}
gst_object_unref (priv->gnlobject);
priv->gnlobject = NULL;
}
G_OBJECT_CLASS (ges_track_object_parent_class)->dispose (object);
}
static void
ges_track_object_get_property (GObject * object, guint property_id,
GValue * value, GParamSpec * pspec)
{
GESTrackObject *tobj = GES_TRACK_OBJECT (object);
switch (property_id) {
case PROP_START:
g_value_set_uint64 (value, ges_track_object_get_start (tobj));
break;
case PROP_INPOINT:
g_value_set_uint64 (value, ges_track_object_get_inpoint (tobj));
break;
case PROP_DURATION:
g_value_set_uint64 (value, ges_track_object_get_duration (tobj));
break;
case PROP_PRIORITY:
g_value_set_uint (value, ges_track_object_get_priority (tobj));
break;
case PROP_ACTIVE:
g_value_set_boolean (value, ges_track_object_is_active (tobj));
break;
case PROP_LOCKED:
g_value_set_boolean (value, ges_track_object_is_locked (tobj));
break;
case PROP_MAX_DURATION:
g_value_set_uint64 (value, tobj->priv->maxduration);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
ges_track_dispose (GObject * object)
{
GESTrack *track = (GESTrack *) object;
GESTrackPrivate *priv = track->priv;
while (priv->trackobjects) {
GESTrackObject *trobj = GES_TRACK_OBJECT (priv->trackobjects->data);
ges_track_remove_object (track, trobj);
ges_timeline_object_release_track_object ((GESTimelineObject *)
ges_track_object_get_timeline_object (trobj), trobj);
}
if (priv->composition) {
gst_bin_remove (GST_BIN (object), priv->composition);
priv->composition = NULL;
}
if (priv->caps) {
gst_caps_unref (priv->caps);
priv->caps = NULL;
}
G_OBJECT_CLASS (ges_track_parent_class)->dispose (object);
}
static void
ges_track_object_dispose (GObject * object)
{
GESTrackObjectPrivate *priv = GES_TRACK_OBJECT (object)->priv;
if (priv->properties_hashtable)
g_hash_table_destroy (priv->properties_hashtable);
G_OBJECT_CLASS (ges_track_object_parent_class)->dispose (object);
}
static GESTrackObject *
ges_tl_transition_create_track_object (GESTimelineObject * obj,
GESTrack * track)
{
GESTimelineStandardTransition *transition =
(GESTimelineStandardTransition *) obj;
GESTrackObject *res = NULL;
GESTrackType supportedformats;
GST_DEBUG ("Creating a GESTrackTransition");
supportedformats = ges_timeline_object_get_supported_formats (obj);
if (track->type == GES_TRACK_TYPE_VIDEO) {
if (supportedformats == GES_TRACK_TYPE_UNKNOWN ||
supportedformats & GES_TRACK_TYPE_VIDEO) {
GESTrackVideoTransition *trans;
trans = ges_track_video_transition_new ();
ges_track_video_transition_set_transition_type (trans, transition->vtype);
res = GES_TRACK_OBJECT (trans);
} else {
GST_DEBUG ("Not creating transition as video track not on"
" supportedformats");
}
} else if (track->type == GES_TRACK_TYPE_AUDIO) {
if (supportedformats == GES_TRACK_TYPE_UNKNOWN ||
supportedformats & GES_TRACK_TYPE_AUDIO)
res = GES_TRACK_OBJECT (ges_track_audio_transition_new ());
else
GST_DEBUG ("Not creating transition as audio track"
" not on supportedformats");
} else
GST_WARNING ("Transitions don't handle this track type");
return res;
}
static GstPadProbeReturn
switch_to_smpte_cb (GstPad * sink, gboolean blocked,
GESTrackVideoTransition * transition)
{
GstElement *smptealpha = gst_element_factory_make ("smptealpha", NULL);
GstElement *smptealphab = gst_element_factory_make ("smptealpha", NULL);
GESTrackVideoTransitionPrivate *priv = transition->priv;
if (priv->pending_type == GES_VIDEO_STANDARD_TRANSITION_TYPE_CROSSFADE)
goto beach;
GST_INFO ("Bin %p switching from crossfade to smpte", priv->topbin);
add_smpte_to_bin (priv->sinka, smptealpha, priv);
add_smpte_to_bin (priv->sinkb, smptealphab, priv);
if (priv->pending_border_value != -1) {
g_object_set (smptealphab, "border", priv->pending_border_value, NULL);
priv->pending_border_value = -1;
}
if (priv->pending_inverted) {
g_object_set (smptealphab, "invert", priv->pending_inverted, NULL);
priv->pending_inverted = FALSE;
}
replace_mixer (priv);
priv->start_value = 1.0;
priv->end_value = 0.0;
set_interpolation (GST_OBJECT (smptealphab), priv, (gchar *) "position");
ges_track_video_transition_duration_changed (GES_TRACK_OBJECT (transition),
priv->dur);
priv->sinka = (GstPad *) link_element_to_mixer (smptealpha, priv->mixer);
priv->sinkb = (GstPad *) link_element_to_mixer (smptealphab, priv->mixer);
priv->smpte = smptealphab;
priv->type = priv->pending_type;
GST_INFO ("Bin %p switched from crossfade to smpte", priv->topbin);
beach:
priv->pending_type = GES_VIDEO_STANDARD_TRANSITION_TYPE_NONE;
return GST_PAD_PROBE_REMOVE;
}
static GstPadProbeReturn
switch_to_crossfade_cb (GstPad * sink, gboolean blocked,
GESTrackVideoTransition * transition)
{
GstElement *peera;
GstElement *peerb;
GESTrackVideoTransitionPrivate *priv = transition->priv;
GST_INFO ("Bin %p switching from smpte to crossfade", priv->topbin);
if (priv->pending_type != GES_VIDEO_STANDARD_TRANSITION_TYPE_CROSSFADE)
goto beach;
peera = remove_smpte_from_bin (priv, priv->sinka);
peerb = remove_smpte_from_bin (priv, priv->sinkb);
if (!peera || !peerb)
goto beach;
replace_mixer (priv);
priv->sinka = (GstPad *) link_element_to_mixer (peera, priv->mixer);
priv->sinkb = (GstPad *) link_element_to_mixer (peerb, priv->mixer);
priv->start_value = 0.0;
priv->end_value = 1.0;
set_interpolation (GST_OBJECT (priv->sinkb), priv, (gchar *) "alpha");
ges_track_video_transition_duration_changed (GES_TRACK_OBJECT (transition),
priv->dur);
priv->smpte = NULL;
gst_object_unref (peera);
gst_object_unref (peerb);
priv->type = priv->pending_type;
GST_INFO ("Bin %p switched from smpte to crossfade", priv->topbin);
beach:
priv->pending_type = GES_VIDEO_STANDARD_TRANSITION_TYPE_NONE;
return GST_PAD_PROBE_REMOVE;
}
/**
* ges_timeline_text_overlay_set_valign:
* @self: the #GESTimelineTextOverlay* to set vertical alignement of text on
* @valign: #GESTextVAlign
*
* Sets the vertical aligment of the text.
*
*/
void
ges_timeline_text_overlay_set_valign (GESTimelineTextOverlay * self,
GESTextVAlign valign)
{
GList *tmp, *trackobjects;
GESTimelineObject *object = (GESTimelineObject *) self;
GST_DEBUG ("self:%p, valign:%d", self, valign);
self->priv->valign = valign;
trackobjects = ges_timeline_object_get_track_objects (object);
for (tmp = trackobjects; tmp; tmp = tmp->next) {
GESTrackObject *trackobject = (GESTrackObject *) tmp->data;
if (ges_track_object_get_track (trackobject)->type == GES_TRACK_TYPE_VIDEO)
ges_track_text_overlay_set_valignment (GES_TRACK_TEXT_OVERLAY
(trackobject), self->priv->valign);
g_object_unref (GES_TRACK_OBJECT (tmp->data));
}
g_list_free (trackobjects);
}