static gboolean
_load_project (GESProject * project, GESTimeline * timeline, GError ** error)
{
GError *lerr = NULL;
GESProjectPrivate *priv;
GESFormatter *formatter;
priv = GES_PROJECT (project)->priv;
if (priv->uri == NULL) {
EmitLoadedInIdle *data = g_slice_new (EmitLoadedInIdle);
GST_LOG_OBJECT (project, "%s, Loading an empty timeline %s"
" as no URI set yet", GST_OBJECT_NAME (timeline),
ges_asset_get_id (GES_ASSET (project)));
data->timeline = gst_object_ref (timeline);
data->project = gst_object_ref (project);
/* Make sure the signal is emitted after the functions ends */
g_idle_add ((GSourceFunc) _emit_loaded_in_idle, data);
return TRUE;
}
if (priv->formatter_asset == NULL)
priv->formatter_asset = _find_formatter_asset_for_uri (priv->uri);
if (priv->formatter_asset == NULL)
goto failed;
formatter = GES_FORMATTER (ges_asset_extract (priv->formatter_asset, &lerr));
if (lerr) {
GST_WARNING_OBJECT (project, "Could not create the formatter: %s",
(*error)->message);
goto failed;
}
ges_project_add_formatter (GES_PROJECT (project), formatter);
ges_formatter_load_from_uri (formatter, timeline, priv->uri, &lerr);
if (lerr) {
GST_WARNING_OBJECT (project, "Could not load the timeline,"
" returning: %s", lerr->message);
goto failed;
}
return TRUE;
failed:
if (lerr)
g_propagate_error (error, lerr);
return FALSE;
}
static void
_finalize (GObject * object)
{
GESProjectPrivate *priv = GES_PROJECT (object)->priv;
if (priv->uri)
g_free (priv->uri);
}
static void
_finalize (GObject * object)
{
GESProjectPrivate *priv = GES_PROJECT (object)->priv;
if (priv->uri)
g_free (priv->uri);
G_OBJECT_CLASS (ges_project_parent_class)->finalize (object);
}
static void
ges_project_add_formatter (GESProject * project, GESFormatter * formatter)
{
GESProjectPrivate *priv = GES_PROJECT (project)->priv;
ges_formatter_set_project (formatter, project);
priv->formatters = g_list_append (priv->formatters, formatter);
gst_object_ref_sink (formatter);
}
static void
new_asset_cb (GESAsset * source, GAsyncResult * res, NewAssetUData * udata)
{
GError *error = NULL;
GESAsset *asset = ges_asset_request_finish (res, &error);
GST_DEBUG_OBJECT (udata->layer, "%" GST_PTR_FORMAT " Asset loaded, "
"setting its asset", udata->clip);
if (error) {
GESProject *project = udata->layer->timeline ?
GES_PROJECT (ges_extractable_get_asset (GES_EXTRACTABLE
(udata->layer->timeline))) : NULL;
if (project) {
gchar *possible_id;
possible_id = ges_project_try_updating_id (project, source, error);
if (possible_id) {
ges_asset_request_async (ges_asset_get_extractable_type (source),
possible_id, NULL, (GAsyncReadyCallback) new_asset_cb, udata);
g_free (possible_id);
return;
}
}
GST_ERROR ("Asset could not be created for uri %s, error: %s",
ges_asset_get_id (asset), error->message);
} else {
GESProject *project = udata->layer->timeline ?
GES_PROJECT (ges_extractable_get_asset (GES_EXTRACTABLE
(udata->layer->timeline))) : NULL;
ges_extractable_set_asset (GES_EXTRACTABLE (udata->clip), asset);
ges_project_add_asset (project, asset);
ges_layer_add_clip (udata->layer, udata->clip);
}
gst_object_unref (asset);
g_slice_free (NewAssetUData, udata);
}
/* GObject vmethod implementation */
static void
_dispose (GObject * object)
{
GList *tmp;
GESProjectPrivate *priv = GES_PROJECT (object)->priv;
if (priv->assets)
g_hash_table_unref (priv->assets);
if (priv->loading_assets)
g_hash_table_unref (priv->loading_assets);
if (priv->loaded_with_error)
g_hash_table_unref (priv->loaded_with_error);
if (priv->formatter_asset)
gst_object_unref (priv->formatter_asset);
for (tmp = priv->formatters; tmp; tmp = tmp->next)
ges_project_remove_formatter (GES_PROJECT (object), tmp->data);;
G_OBJECT_CLASS (ges_project_parent_class)->dispose (object);
}
/* GESAsset vmethod implementation */
static GESExtractable *
ges_project_extract (GESAsset * project, GError ** error)
{
GESTimeline *timeline = ges_timeline_new ();
if (_load_project (GES_PROJECT (project), timeline, error))
return GES_EXTRACTABLE (timeline);
gst_object_unref (timeline);
return NULL;
}
/* GESAsset vmethod implementation */
static GESExtractable *
ges_project_extract (GESAsset * project, GError ** error)
{
GESTimeline *timeline = g_object_new (GES_TYPE_TIMELINE, NULL);
ges_extractable_set_asset (GES_EXTRACTABLE (timeline), GES_ASSET (project));
if (_load_project (GES_PROJECT (project), timeline, error))
return GES_EXTRACTABLE (timeline);
gst_object_unref (timeline);
return NULL;
}
static void
ges_project_remove_formatter (GESProject * project, GESFormatter * formatter)
{
GList *tmp;
GESProjectPrivate *priv = GES_PROJECT (project)->priv;
for (tmp = priv->formatters; tmp; tmp = tmp->next) {
if (tmp->data == formatter) {
gst_object_unref (formatter);
priv->formatters = g_list_delete_link (priv->formatters, tmp);
return;
}
}
}
/**
* ges_project_new:
* @uri: (allow-none): The uri to be set after creating the project.
*
* Creates a new #GESProject and sets its uri to @uri if provided. Note that
* if @uri is not valid or %NULL, the uri of the project will then be set
* the first time you save the project. If you then save the project to
* other locations, it will never be updated again and the first valid URI is
* the URI it will keep refering to.
*
* Returns: A newly created #GESProject
*/
GESProject *
ges_project_new (const gchar * uri)
{
gchar *id = (gchar *) uri;
GESProject *project;
if (uri == NULL)
id = g_strdup_printf ("project-%i", nb_projects++);
project = GES_PROJECT (ges_asset_request (GES_TYPE_TIMELINE, id, NULL));
if (project && uri)
ges_project_set_uri (project, uri);
return project;
}
/**
* ges_layer_add_clip:
* @layer: a #GESLayer
* @clip: (transfer full): the #GESClip to add.
*
* Adds the given clip to the layer. Sets the clip's parent, and thus
* takes ownership of the clip.
*
* An clip can only be added to one layer.
*
* Calling this method will construct and properly set all the media related
* elements on @clip. If you need to know when those objects (actually #GESTrackElement)
* are constructed, you should connect to the container::child-added signal which
* is emited right after those elements are ready to be used.
*
* Returns: TRUE if the clip was properly added to the layer, or FALSE
* if the @layer refuses to add the clip.
*/
gboolean
ges_layer_add_clip (GESLayer * layer, GESClip * clip)
{
GESAsset *asset;
GESLayerPrivate *priv;
GESLayer *current_layer;
g_return_val_if_fail (GES_IS_LAYER (layer), FALSE);
g_return_val_if_fail (GES_IS_CLIP (clip), FALSE);
GST_DEBUG_OBJECT (layer, "adding clip:%p", clip);
priv = layer->priv;
current_layer = ges_clip_get_layer (clip);
if (G_UNLIKELY (current_layer)) {
GST_WARNING ("Clip %p already belongs to another layer", clip);
gst_object_unref (current_layer);
return FALSE;
}
asset = ges_extractable_get_asset (GES_EXTRACTABLE (clip));
if (asset == NULL) {
gchar *id;
NewAssetUData *mudata = g_slice_new (NewAssetUData);
mudata->clip = clip;
mudata->layer = layer;
GST_DEBUG_OBJECT (layer, "%" GST_PTR_FORMAT " as no reference to any "
"assets creating a asset... trying sync", clip);
id = ges_extractable_get_id (GES_EXTRACTABLE (clip));
asset = ges_asset_request (G_OBJECT_TYPE (clip), id, NULL);
if (asset == NULL) {
GESProject *project = layer->timeline ?
GES_PROJECT (ges_extractable_get_asset (GES_EXTRACTABLE
(layer->timeline))) : NULL;
ges_asset_request_async (G_OBJECT_TYPE (clip),
id, NULL, (GAsyncReadyCallback) new_asset_cb, mudata);
if (project)
ges_project_add_loading_asset (project, G_OBJECT_TYPE (clip), id);
g_free (id);
GST_LOG_OBJECT (layer, "Object added async");
return TRUE;
}
g_free (id);
ges_extractable_set_asset (GES_EXTRACTABLE (clip), asset);
g_slice_free (NewAssetUData, mudata);
}
gst_object_ref_sink (clip);
/* Take a reference to the clip and store it stored by start/priority */
priv->clips_start = g_list_insert_sorted (priv->clips_start, clip,
(GCompareFunc) element_start_compare);
/* Inform the clip it's now in this layer */
ges_clip_set_layer (clip, layer);
GST_DEBUG ("current clip priority : %d, Height: %d", _PRIORITY (clip),
LAYER_HEIGHT);
/* Set the priority. */
if (_PRIORITY (clip) > LAYER_HEIGHT) {
GST_WARNING_OBJECT (layer,
"%p is out of the layer space, setting its priority to "
"%d, setting it to the maximum priority of the layer: %d", clip,
_PRIORITY (clip), LAYER_HEIGHT - 1);
_set_priority0 (GES_TIMELINE_ELEMENT (clip), LAYER_HEIGHT - 1);
}
/* If the clip has an acceptable priority, we just let it with its current
* priority */
ges_layer_resync_priorities (layer);
ges_timeline_element_set_timeline (GES_TIMELINE_ELEMENT (clip),
layer->timeline);
/* emit 'clip-added' */
g_signal_emit (layer, ges_layer_signals[OBJECT_ADDED], 0, clip);
return TRUE;
}
