/* 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;
}
/**
* ges_timeline_element_copy:
* @self: The #GESTimelineElement to copy
* @deep: whether we want to create the elements @self contains or not
*
* Copies @self
*
* Returns: (transfer floating): The newly create #GESTimelineElement, copied from @self
*/
GESTimelineElement *
ges_timeline_element_copy (GESTimelineElement * self, gboolean deep)
{
GESAsset *asset;
GParameter *params;
GParamSpec **specs;
GESTimelineElementClass *klass;
guint n, n_specs, n_params;
GESTimelineElement *ret = NULL;
g_return_val_if_fail (GES_IS_TIMELINE_ELEMENT (self), FALSE);
klass = GES_TIMELINE_ELEMENT_GET_CLASS (self);
specs = g_object_class_list_properties (G_OBJECT_GET_CLASS (self), &n_specs);
params = g_new0 (GParameter, n_specs);
n_params = 0;
for (n = 0; n < n_specs; ++n) {
/* We do not want the timeline or the name to be copied */
if (g_strcmp0 (specs[n]->name, "parent") &&
g_strcmp0 (specs[n]->name, "timeline") &&
g_strcmp0 (specs[n]->name, "name") &&
(specs[n]->flags & G_PARAM_READWRITE) == G_PARAM_READWRITE) {
params[n_params].name = g_intern_string (specs[n]->name);
g_value_init (¶ms[n_params].value, specs[n]->value_type);
g_object_get_property (G_OBJECT (self), specs[n]->name,
¶ms[n_params].value);
++n_params;
}
}
ret = g_object_newv (G_OBJECT_TYPE (self), n_params, params);
g_free (specs);
g_free (params);
asset = ges_extractable_get_asset (GES_EXTRACTABLE (self));
if (asset)
ges_extractable_set_asset (GES_EXTRACTABLE (ret), asset);
if (deep) {
if (klass->deep_copy)
klass->deep_copy (self, ret);
else
GST_WARNING_OBJECT (self, "No deep_copy virtual method implementation"
" on class %s. Can not finish the copy", G_OBJECT_CLASS_NAME (klass));
}
return ret;
}
/**
* 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;
}
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);
}
/* Internal methods */
static void
ges_transition_clip_update_vtype_internal (GESClip *
self, GESVideoStandardTransitionType value, gboolean set_asset)
{
GSList *tmp;
guint index;
GEnumClass *enum_class;
const gchar *asset_id = NULL;
GESTransitionClip *trself = GES_TRANSITION_CLIP (self);
enum_class = g_type_class_peek (GES_VIDEO_STANDARD_TRANSITION_TYPE_TYPE);
for (index = 0; index < enum_class->n_values; index++) {
if (enum_class->values[index].value == value) {
asset_id = enum_class->values[index].value_nick;
break;
}
}
if (asset_id == NULL) {
GST_WARNING_OBJECT (self, "Wrong transition type value: %i can not set it",
value);
return;
}
for (tmp = trself->priv->video_transitions; tmp; tmp = tmp->next) {
if (!ges_video_transition_set_transition_type
(GES_VIDEO_TRANSITION (tmp->data), value))
return;
}
trself->vtype = value;
trself->priv->vtype_name = asset_id;
if (set_asset) {
/* We already checked the value, so we can be sure no error will accured */
ges_extractable_set_asset (GES_EXTRACTABLE (self),
ges_asset_request (GES_TYPE_TRANSITION_CLIP, asset_id, NULL));
}
}
/**
* ges_project_save:
* @project: A #GESProject to save
* @timeline: The #GESTimeline to save, it must have been extracted from @project
* @uri: The uri where to save @project and @timeline
* @formatter_asset: (allow-none): The formatter asset to use or %NULL. If %NULL,
* will try to save in the same format as the one from which the timeline as been loaded
* or default to the formatter with highest rank
* @overwrite: %TRUE to overwrite file if it exists
* @error: (out) (allow-none): An error to be set in case something wrong happens or %NULL
*
* Save the timeline of @project to @uri. You should make sure that @timeline
* is one of the timelines that have been extracted from @project
* (using ges_asset_extract (@project);)
*
* Returns: %TRUE if the project could be save, %FALSE otherwize
*/
gboolean
ges_project_save (GESProject * project, GESTimeline * timeline,
const gchar * uri, GESAsset * formatter_asset, gboolean overwrite,
GError ** error)
{
GESAsset *tl_asset;
gboolean ret = TRUE;
GESFormatter *formatter = NULL;
g_return_val_if_fail (GES_IS_PROJECT (project), FALSE);
g_return_val_if_fail (formatter_asset == NULL ||
g_type_is_a (ges_asset_get_extractable_type (formatter_asset),
GES_TYPE_FORMATTER), FALSE);
g_return_val_if_fail ((error == NULL || *error == NULL), FALSE);
tl_asset = ges_extractable_get_asset (GES_EXTRACTABLE (timeline));
if (tl_asset == NULL && project->priv->uri == NULL) {
GESAsset *asset = ges_asset_cache_lookup (GES_TYPE_PROJECT, uri);
if (asset) {
GST_WARNING_OBJECT (project, "Trying to save project to %s but we already"
"have %" GST_PTR_FORMAT " for that uri, can not save", uri, asset);
goto out;
}
GST_DEBUG_OBJECT (project, "Timeline %" GST_PTR_FORMAT " has no asset"
" we have no uri set, so setting ourself as asset", timeline);
ges_extractable_set_asset (GES_EXTRACTABLE (timeline), GES_ASSET (project));
} else if (tl_asset != GES_ASSET (project)) {
GST_WARNING_OBJECT (project, "Timeline %" GST_PTR_FORMAT
" not created by this project can not save", timeline);
ret = FALSE;
goto out;
}
if (formatter_asset == NULL)
formatter_asset = gst_object_ref (ges_formatter_get_default ());
formatter = GES_FORMATTER (ges_asset_extract (formatter_asset, error));
if (formatter == NULL) {
GST_WARNING_OBJECT (project, "Could not create the formatter %p %s: %s",
formatter_asset, ges_asset_get_id (formatter_asset),
(error && *error) ? (*error)->message : "Unknown Error");
ret = FALSE;
goto out;
}
ges_project_add_formatter (project, formatter);
ret = ges_formatter_save_to_uri (formatter, timeline, uri, overwrite, error);
if (ret && project->priv->uri == NULL)
ges_project_set_uri (project, uri);
out:
if (formatter_asset)
gst_object_unref (formatter_asset);
ges_project_remove_formatter (project, formatter);
return ret;
}
/**
* 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;
}
