void Timeline::
remove(int index)
{
GESTimelineObject * obj;
if (!(obj = ges_simple_timeline_layer_nth(layer, index)))
return;
beginRemoveRows(QModelIndex(), index, index);
ges_timeline_layer_remove_object(GES_TIMELINE_LAYER(layer), obj);
}
static void
ges_timeline_layer_dispose (GObject * object)
{
GESTimelineLayer *layer = GES_TIMELINE_LAYER (object);
GESTimelineLayerPrivate *priv = layer->priv;
GST_DEBUG ("Disposing layer");
while (priv->clips_start)
ges_timeline_layer_remove_clip (layer, (GESClip *) priv->clips_start->data);
G_OBJECT_CLASS (ges_timeline_layer_parent_class)->dispose (object);
}
/* GObject standard vmethods */
static void
ges_timeline_layer_get_property (GObject * object, guint property_id,
GValue * value, GParamSpec * pspec)
{
GESTimelineLayer *layer = GES_TIMELINE_LAYER (object);
switch (property_id) {
case PROP_PRIORITY:
g_value_set_uint (value, layer->priv->priority);
break;
case PROP_AUTO_TRANSITION:
g_value_set_boolean (value, layer->priv->auto_transition);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
GESTimelinePipeline *
make_timeline (char *path, float duration, char *text, guint32 color,
gdouble xpos, gdouble ypos)
{
GESTimeline *timeline;
GESTrack *trackv, *tracka;
GESTimelineLayer *layer1;
GESTimelineObject *srca;
GESTimelineObject *overlay;
GESTimelinePipeline *pipeline;
guint64 aduration;
pipeline = ges_timeline_pipeline_new ();
ges_timeline_pipeline_set_mode (pipeline, TIMELINE_MODE_PREVIEW_VIDEO);
timeline = ges_timeline_new ();
ges_timeline_pipeline_add_timeline (pipeline, timeline);
trackv = ges_track_video_raw_new ();
ges_timeline_add_track (timeline, trackv);
tracka = ges_track_audio_raw_new ();
ges_timeline_add_track (timeline, tracka);
layer1 = GES_TIMELINE_LAYER (ges_timeline_layer_new ());
g_object_set (layer1, "priority", (gint32) 0, NULL);
if (!ges_timeline_add_layer (timeline, layer1))
exit (-1);
aduration = (guint64) (duration * GST_SECOND);
srca = make_source (path, 0, aduration, 1);
overlay = make_overlay (text, 0, aduration, 0, color, xpos, ypos);
ges_timeline_layer_add_object (layer1, srca);
ges_timeline_layer_add_object (layer1, overlay);
return pipeline;
}
Timeline::
Timeline(QObject *parent) : QAbstractListModel(parent)
{
timeline = ges_timeline_new_audio_video();
layer = ges_simple_timeline_layer_new();
ges_timeline_add_layer(timeline, GES_TIMELINE_LAYER(layer));
g_signal_connect(G_OBJECT(layer), "object-added",
G_CALLBACK(layer_object_added_cb), this);
g_signal_connect(G_OBJECT(layer), "object-moved",
G_CALLBACK(layer_object_moved_cb), this);
g_signal_connect(G_OBJECT(layer), "object-removed",
G_CALLBACK(layer_object_removed_cb), this);
QHash <int, QByteArray> rolenames;
rolenames[thumb_uri_role] = "thumb_uri";
rolenames[media_uri_role] = "media_uri";
rolenames[inpoint_role] = "in_point";
rolenames[outpoint_role] = "out_point";
rolenames[duration_role] = "duration";
rolenames[duration_only_role] = "duration_only";
setRoleNames(rolenames);
row_count = 0;
}
static void
gstl_recalculate (GESSimpleTimelineLayer * self)
{
GList *tmp;
gint64 pos = 0;
gint priority = 0;
gint transition_priority = 0;
gint height;
GESTimelineObject *prev_object = NULL;
GESTimelineObject *prev_transition = NULL;
gboolean valid = TRUE;
GESSimpleTimelineLayerPrivate *priv = self->priv;
priority = GES_TIMELINE_LAYER (self)->min_gnl_priority + 2;
GST_DEBUG ("recalculating values");
if (priv->objects && GES_IS_TIMELINE_TRANSITION (priv->objects->data)) {
valid = FALSE;
}
for (tmp = priv->objects; tmp; tmp = tmp->next) {
GESTimelineObject *obj;
guint64 dur;
GList *l_next;
obj = (GESTimelineObject *) tmp->data;
dur = GES_TIMELINE_OBJECT_DURATION (obj);
height = GES_TIMELINE_OBJECT_HEIGHT (obj);
if (GES_IS_TIMELINE_SOURCE (obj)) {
GST_LOG ("%p obj: height: %d: priority %d", obj, height, priority);
if (G_UNLIKELY (GES_TIMELINE_OBJECT_START (obj) != pos)) {
ges_timeline_object_set_start (obj, pos);
}
if (G_UNLIKELY (GES_TIMELINE_OBJECT_PRIORITY (obj) != priority)) {
ges_timeline_object_set_priority (obj, priority);
}
transition_priority = MAX (0, priority - 1);
priority += height;
pos += dur;
g_assert (priority != -1);
} else if (GES_IS_TIMELINE_TRANSITION (obj)) {
pos -= dur;
if (pos < 0)
pos = 0;
GST_LOG ("%p obj: height: %d: trans_priority %d Position: %"
G_GINT64_FORMAT ", duration %" G_GINT64_FORMAT, obj, height,
transition_priority, pos, dur);
g_assert (transition_priority != -1);
if (G_UNLIKELY (GES_TIMELINE_OBJECT_START (obj) != pos))
ges_timeline_object_set_start (obj, pos);
if (G_UNLIKELY (GES_TIMELINE_OBJECT_PRIORITY (obj) !=
transition_priority)) {
ges_timeline_object_set_priority (obj, transition_priority);
}
/* sanity checks */
l_next = g_list_next (tmp);
if (GES_IS_TIMELINE_TRANSITION (prev_object)) {
GST_ERROR ("two transitions in sequence!");
valid = FALSE;
}
if (prev_object && (GES_TIMELINE_OBJECT_DURATION (prev_object) < dur)) {
GST_ERROR ("transition duration exceeds that of previous neighbor!");
valid = FALSE;
}
if (l_next && (GES_TIMELINE_OBJECT_DURATION (l_next->data) < dur)) {
GST_ERROR ("transition duration exceeds that of next neighbor!");
valid = FALSE;
}
if (prev_transition) {
guint64 start, end;
end = (GES_TIMELINE_OBJECT_DURATION (prev_transition) +
GES_TIMELINE_OBJECT_START (prev_transition));
start = pos;
if (end > start) {
GST_ERROR ("%" G_GUINT64_FORMAT ", %" G_GUINT64_FORMAT ": "
"overlapping transitions!", start, end);
valid = FALSE;
}
}
prev_transition = obj;
}
prev_object = obj;
}
if (prev_object && GES_IS_TIMELINE_TRANSITION (prev_object)) {
valid = FALSE;
}
GST_DEBUG ("Finished recalculating: final start pos is: %" GST_TIME_FORMAT,
GST_TIME_ARGS (pos));
GES_TIMELINE_LAYER (self)->max_gnl_priority = priority;
if (valid != self->priv->valid) {
self->priv->valid = valid;
g_object_notify (G_OBJECT (self), "valid");
}
}
