/**
* ges_timeline_element_set_timeline:
* @self: a #GESTimelineElement
* @timeline: The #GESTimeline @self is in
*
* Sets the timeline of @self to @timeline.
*
* Returns: %TRUE if @timeline could be set or %FALSE when @timeline
* already had a timeline.
*/
gboolean
ges_timeline_element_set_timeline (GESTimelineElement * self,
GESTimeline * timeline)
{
g_return_val_if_fail (GES_IS_TIMELINE_ELEMENT (self), FALSE);
g_return_val_if_fail (timeline == NULL || GES_IS_TIMELINE (timeline), FALSE);
GST_DEBUG_OBJECT (self, "set timeline to %" GST_PTR_FORMAT, timeline);
if (timeline != NULL && G_UNLIKELY (self->timeline != NULL))
goto had_timeline;
self->timeline = timeline;
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_TIMELINE]);
return TRUE;
/* ERROR handling */
had_timeline:
{
GST_DEBUG_OBJECT (self, "set timeline failed, object already had a "
"timeline");
return FALSE;
}
}
/**
* ges_pipeline_set_timeline:
* @pipeline: a #GESPipeline
* @timeline: the #GESTimeline to set on the @pipeline.
*
* Sets the timeline to use in this pipeline.
*
* The reference to the @timeline will be stolen by the @pipeline.
*
* Returns: TRUE if the @timeline could be successfully set on the @pipeline,
* else FALSE.
*/
gboolean
ges_pipeline_set_timeline (GESPipeline * pipeline, GESTimeline * timeline)
{
g_return_val_if_fail (GES_IS_PIPELINE (pipeline), FALSE);
g_return_val_if_fail (GES_IS_TIMELINE (timeline), FALSE);
g_return_val_if_fail (pipeline->priv->timeline == NULL, FALSE);
GST_DEBUG ("pipeline:%p, timeline:%p", timeline, pipeline);
if (G_UNLIKELY (!gst_bin_add (GST_BIN_CAST (pipeline),
GST_ELEMENT (timeline)))) {
return FALSE;
}
pipeline->priv->timeline = timeline;
g_signal_connect (timeline, "track-added",
G_CALLBACK (_timeline_track_added_cb), pipeline);
g_signal_connect (timeline, "track-removed",
G_CALLBACK (_timeline_track_removed_cb), pipeline);
/* FIXME Check if we should rollback if we can't sync state */
gst_element_sync_state_with_parent (GST_ELEMENT (timeline));
return TRUE;
}
/**
* ges_pipeline_add_timeline:
* @pipeline: a #GESPipeline
* @timeline: the #GESTimeline to set on the @pipeline.
*
* Sets the timeline to use in this pipeline.
*
* The reference to the @timeline will be stolen by the @pipeline.
*
* Returns: TRUE if the @timeline could be successfully set on the @pipeline,
* else FALSE.
*/
gboolean
ges_pipeline_add_timeline (GESPipeline * pipeline, GESTimeline * timeline)
{
g_return_val_if_fail (GES_IS_PIPELINE (pipeline), FALSE);
g_return_val_if_fail (GES_IS_TIMELINE (timeline), FALSE);
g_return_val_if_fail (pipeline->priv->timeline == NULL, FALSE);
GST_DEBUG ("pipeline:%p, timeline:%p", timeline, pipeline);
if (G_UNLIKELY (!gst_bin_add (GST_BIN_CAST (pipeline),
GST_ELEMENT (timeline)))) {
return FALSE;
}
pipeline->priv->timeline = timeline;
/* Connect to pipeline */
g_signal_connect (timeline, "pad-added", (GCallback) pad_added_cb, pipeline);
g_signal_connect (timeline, "pad-removed", (GCallback) pad_removed_cb,
pipeline);
g_signal_connect (timeline, "no-more-pads", (GCallback) no_more_pads_cb,
pipeline);
/* FIXME Check if we should rollback if we can't sync state */
gst_element_sync_state_with_parent (GST_ELEMENT (timeline));
return TRUE;
}
/**
* ges_project_load:
* @project: A #GESProject that has an @uri set already
* @timeline: A blank timeline to load @project into
* @error: (out) (allow-none): An error to be set in case something wrong happens or %NULL
*
* Loads @project into @timeline
*
* Returns: %TRUE if the project could be loaded %FALSE otherwize.
*/
gboolean
ges_project_load (GESProject * project, GESTimeline * timeline, GError ** error)
{
g_return_val_if_fail (GES_IS_TIMELINE (timeline), FALSE);
g_return_val_if_fail (GES_IS_PROJECT (project), FALSE);
g_return_val_if_fail (ges_project_get_uri (project), FALSE);
g_return_val_if_fail (
(ges_extractable_get_asset (GES_EXTRACTABLE (timeline)) == NULL), FALSE);
if (!_load_project (project, timeline, error))
return FALSE;
ges_extractable_set_asset (GES_EXTRACTABLE (timeline), GES_ASSET (project));
return TRUE;
}
/**
* ges_timeline_element_set_timeline:
* @self: a #GESTimelineElement
* @timeline: The #GESTimeline @self is in
*
* Sets the timeline of @self to @timeline.
*
* Returns: %TRUE if @timeline could be set or %FALSE when @timeline
* already had a timeline.
*/
gboolean
ges_timeline_element_set_timeline (GESTimelineElement * self,
GESTimeline * timeline)
{
g_return_val_if_fail (GES_IS_TIMELINE_ELEMENT (self), FALSE);
g_return_val_if_fail (timeline == NULL || GES_IS_TIMELINE (timeline), FALSE);
GST_DEBUG_OBJECT (self, "set timeline to %" GST_PTR_FORMAT, timeline);
if (timeline != NULL && G_UNLIKELY (self->timeline != NULL))
goto had_timeline;
if (timeline == NULL) {
if (self->timeline) {
if (!timeline_remove_element (self->timeline, self)) {
GST_INFO_OBJECT (self, "Could not remove from"
" currently set timeline %" GST_PTR_FORMAT, self->timeline);
return FALSE;
}
}
} else {
if (!timeline_add_element (timeline, self)) {
GST_INFO_OBJECT (self, "Could not add to timeline %" GST_PTR_FORMAT,
self);
return FALSE;
}
}
self->timeline = timeline;
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_TIMELINE]);
return TRUE;
/* ERROR handling */
had_timeline:
{
GST_DEBUG_OBJECT (self, "set timeline failed, object already had a "
"timeline");
return FALSE;
}
}
gboolean
ges_formatter_load_from_uri (GESFormatter * formatter, GESTimeline * timeline,
const gchar * uri)
{
gboolean ret = FALSE;
GESFormatterClass *klass = GES_FORMATTER_GET_CLASS (formatter);
g_return_val_if_fail (GES_IS_FORMATTER (formatter), FALSE);
g_return_val_if_fail (GES_IS_TIMELINE (timeline), FALSE);
g_signal_connect (timeline, "discovery-error",
G_CALLBACK (discovery_error_cb), formatter);
if (klass->load_from_uri) {
ges_timeline_enable_update (timeline, FALSE);
formatter->timeline = timeline;
ret = klass->load_from_uri (formatter, timeline, uri);
ges_timeline_enable_update (timeline, TRUE);
}
return ret;
}
