static void
track_element_added_cb (GESClip * clip,
GESTrackElement * track_element, GHashTable * props_table)
{
GESPitiviFormatter *formatter;
formatter = GES_PITIVI_FORMATTER (g_hash_table_lookup (props_table,
"current-formatter"));
if (formatter) {
GESPitiviFormatterPrivate *priv = formatter->priv;
/* Make sure the hack to get a ref to the formatter
* doesn't break everything */
g_hash_table_steal (props_table, "current-formatter");
priv->sources_to_load = g_list_remove (priv->sources_to_load, clip);
if (!priv->sources_to_load && GES_FORMATTER (formatter)->project)
ges_project_set_loaded (GES_FORMATTER (formatter)->project,
GES_FORMATTER (formatter));
}
/* Disconnect the signal */
g_signal_handlers_disconnect_by_func (clip, track_element_added_cb,
props_table);
}
static gboolean
save_to_uri (GESFormatter * formatter, GESTimeline * timeline,
const gchar * uri)
{
gchar *location;
GError *e = NULL;
gboolean ret = TRUE;
GESFormatterPrivate *priv = GES_FORMATTER (formatter)->priv;
if (!(location = g_filename_from_uri (uri, NULL, NULL))) {
return FALSE;
}
if (!ges_formatter_save (formatter, timeline)) {
GST_ERROR ("couldn't serialize formatter");
} else {
if (!g_file_set_contents (location, priv->data, priv->length, &e)) {
GST_ERROR ("couldn't write file '%s': %s", location, e->message);
ret = FALSE;
}
}
if (e)
g_error_free (e);
g_free (location);
return ret;
}
GESFormatter *
ges_formatter_new_for_uri (const gchar * uri)
{
if (ges_formatter_can_load_uri (uri))
return GES_FORMATTER (ges_keyfile_formatter_new ());
return NULL;
}
static gboolean
load_from_uri (GESFormatter * formatter, GESTimeline * timeline,
const gchar * uri)
{
gchar *location;
GError *e = NULL;
gboolean ret = TRUE;
GESFormatterPrivate *priv = GES_FORMATTER (formatter)->priv;
if (priv->data) {
GST_ERROR ("formatter already has data! please set data to NULL");
}
if (!(location = gst_uri_get_location (uri))) {
return FALSE;
}
if (g_file_get_contents (location, &priv->data, &priv->length, &e)) {
if (!ges_formatter_load (formatter, timeline)) {
GST_ERROR ("couldn't deserialize formatter");
ret = FALSE;
}
} else {
GST_ERROR ("couldn't read file '%s': %s", location, e->message);
ret = FALSE;
}
if (e)
g_error_free (e);
g_free (location);
return ret;
}
void
ges_formatter_clear_data (GESFormatter * formatter)
{
GESFormatterPrivate *priv = GES_FORMATTER (formatter)->priv;
priv->data = NULL;
priv->length = 0;
}
/**
* ges_formatter_get_data:
* @formatter: a #GESFormatter
* @length: location into which to store the size of the data in bytes.
*
* Lets you get the data @formatter used for loading.
*
* Returns: (transfer none): a pointer to the data.
*/
void *
ges_formatter_get_data (GESFormatter * formatter, gsize * length)
{
GESFormatterPrivate *priv = GES_FORMATTER (formatter)->priv;
*length = priv->length;
return priv->data;
}
void
ges_formatter_set_data (GESFormatter * formatter, void *data, gsize length)
{
GESFormatterPrivate *priv = GES_FORMATTER (formatter)->priv;
if (priv->data)
g_free (priv->data);
priv->data = data;
priv->length = length;
}
static void
ges_formatter_dispose (GObject * object)
{
GESFormatterPrivate *priv = GES_FORMATTER (object)->priv;
if (priv->data) {
g_free (priv->data);
}
g_hash_table_destroy (priv->uri_newuri_table);
g_hash_table_destroy (priv->parent_newparent_table);
}
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;
}
void
ges_base_xml_formatter_add_layer (GESBaseXmlFormatter * self,
GType extractable_type, guint priority, GstStructure * properties,
const gchar * metadatas, GError ** error)
{
LayerEntry *entry;
GESAsset *asset;
GESLayer *layer;
gboolean auto_transition = FALSE;
GESBaseXmlFormatterPrivate *priv = _GET_PRIV (self);
if (priv->check_only)
return;
if (extractable_type == G_TYPE_NONE)
layer = ges_layer_new ();
else {
asset = ges_asset_request (extractable_type, NULL, error);
if (asset == NULL) {
if (error && *error == NULL) {
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
"Layer type %s could not be created'",
g_type_name (extractable_type));
return;
}
}
layer = GES_LAYER (ges_asset_extract (asset, error));
}
ges_layer_set_priority (layer, priority);
ges_timeline_add_layer (GES_FORMATTER (self)->timeline, layer);
if (properties) {
if (gst_structure_get_boolean (properties, "auto-transition",
&auto_transition))
gst_structure_remove_field (properties, "auto-transition");
gst_structure_foreach (properties,
(GstStructureForeachFunc) set_property_foreach, layer);
}
if (metadatas)
ges_meta_container_add_metas_from_string (GES_META_CONTAINER (layer),
metadatas);
entry = g_slice_new0 (LayerEntry);
entry->layer = gst_object_ref (layer);
entry->auto_trans = auto_transition;
g_hash_table_insert (priv->layers, GINT_TO_POINTER (priority), entry);
}
void
ges_base_xml_formatter_add_track (GESBaseXmlFormatter * self,
GESTrackType track_type, GstCaps * caps, const gchar * id,
GstStructure * properties, const gchar * metadatas, GError ** error)
{
GESTrack *track;
GESBaseXmlFormatterPrivate *priv = _GET_PRIV (self);
if (priv->check_only) {
if (caps)
gst_caps_unref (caps);
return;
}
track = ges_track_new (track_type, caps);
ges_timeline_add_track (GES_FORMATTER (self)->timeline, track);
if (properties) {
gchar *restriction;
GstCaps *caps;
gst_structure_get (properties, "restriction-caps", G_TYPE_STRING,
&restriction, NULL);
gst_structure_remove_fields (properties, "restriction-caps", "caps",
"message-forward", NULL);
if (g_strcmp0 (restriction, "NULL")) {
caps = gst_caps_from_string (restriction);
ges_track_set_restriction_caps (track, caps);
}
gst_structure_foreach (properties,
(GstStructureForeachFunc) set_property_foreach, track);
}
g_hash_table_insert (priv->tracks, g_strdup (id), gst_object_ref (track));
if (metadatas)
ges_meta_container_add_metas_from_string (GES_META_CONTAINER (track),
metadatas);
}
void
ges_base_xml_formatter_add_asset (GESBaseXmlFormatter * self,
const gchar * id, GType extractable_type, GstStructure * properties,
const gchar * metadatas, GError ** error)
{
PendingAsset *passet;
GESBaseXmlFormatterPrivate *priv = _GET_PRIV (self);
if (priv->check_only)
return;
passet = g_slice_new0 (PendingAsset);
passet->metadatas = g_strdup (metadatas);
passet->formatter = gst_object_ref (self);
if (properties)
passet->properties = gst_structure_copy (properties);
ges_asset_request_async (extractable_type, id, NULL,
(GAsyncReadyCallback) new_asset_cb, passet);
ges_project_add_loading_asset (GES_FORMATTER (self)->project,
extractable_type, id);
priv->pending_assets = g_list_prepend (priv->pending_assets, passet);
}
void
load_project (gchar * uri)
{
GESFormatter *formatter;
GESTimeline *timeline;
GMainLoop *mainloop;
GESTimelinePipeline *pipeline;
GstBus *bus;
formatter = GES_FORMATTER (ges_pitivi_formatter_new ());
timeline = ges_timeline_new ();
pipeline = ges_timeline_pipeline_new ();
bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
mainloop = g_main_loop_new (NULL, FALSE);
ges_timeline_pipeline_add_timeline (pipeline, timeline);
ges_formatter_load_from_uri (formatter, timeline, uri);
ges_timeline_pipeline_set_mode (pipeline, TIMELINE_MODE_PREVIEW_VIDEO);
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
gst_bus_add_signal_watch (bus);
g_signal_connect (bus, "message", G_CALLBACK (bus_message_cb), mainloop);
g_main_loop_run (mainloop);
}
void
ges_base_xml_formatter_add_track_element (GESBaseXmlFormatter * self,
GType track_element_type, const gchar * asset_id, const gchar * track_id,
const gchar * timeline_obj_id, GstStructure * children_properties,
GstStructure * properties, const gchar * metadatas, GError ** error)
{
GESTrackElement *trackelement;
GError *err = NULL;
GESAsset *asset = NULL;
GESBaseXmlFormatterPrivate *priv = _GET_PRIV (self);
if (priv->check_only)
return;
if (g_type_is_a (track_element_type, GES_TYPE_TRACK_ELEMENT) == FALSE) {
GST_DEBUG_OBJECT (self, "%s is not a TrackElement, can not create it",
g_type_name (track_element_type));
goto out;
}
if (g_type_is_a (track_element_type, GES_TYPE_BASE_EFFECT) == FALSE) {
GST_FIXME_OBJECT (self, "%s currently not supported",
g_type_name (track_element_type));
goto out;
}
asset = ges_asset_request (track_element_type, asset_id, &err);
if (asset == NULL) {
GST_DEBUG_OBJECT (self, "Can not create trackelement %s", asset_id);
GST_FIXME_OBJECT (self, "Check if missing plugins etc %s",
err ? err->message : "");
goto out;
}
trackelement = GES_TRACK_ELEMENT (ges_asset_extract (asset, NULL));
if (trackelement) {
GESClip *clip;
if (metadatas)
ges_meta_container_add_metas_from_string (GES_META_CONTAINER
(trackelement), metadatas);
clip = g_hash_table_lookup (priv->containers, timeline_obj_id);
if (clip) {
_add_track_element (GES_FORMATTER (self), clip, trackelement, track_id,
children_properties, properties);
} else {
PendingEffects *peffect;
PendingClip *pend = g_hash_table_lookup (priv->clipid_pendings,
timeline_obj_id);
if (pend == NULL) {
GST_WARNING_OBJECT (self, "No Clip with id: %s can not "
"add TrackElement", timeline_obj_id);
goto out;
}
peffect = g_slice_new0 (PendingEffects);
peffect->trackelement = trackelement;
peffect->track_id = g_strdup (track_id);
peffect->properties = properties ? gst_structure_copy (properties) : NULL;
peffect->children_properties = children_properties ?
gst_structure_copy (children_properties) : NULL;
pend->effects = g_list_append (pend->effects, peffect);
}
priv->current_track_element = trackelement;
}
ges_project_add_asset (GES_FORMATTER (self)->project, asset);
out:
if (asset)
gst_object_unref (asset);
if (err)
g_error_free (err);
return;
}
void
ges_base_xml_formatter_add_encoding_profile (GESBaseXmlFormatter * self,
const gchar * type, const gchar * parent, const gchar * name,
const gchar * description, GstCaps * format, const gchar * preset,
const gchar * preset_name, guint id, guint presence, GstCaps * restriction,
guint pass, gboolean variableframerate, GstStructure * properties,
GError ** error)
{
const GList *tmp;
GstEncodingProfile *profile;
GstEncodingContainerProfile *parent_profile = NULL;
GESBaseXmlFormatterPrivate *priv = _GET_PRIV (self);
if (priv->check_only)
goto done;
if (parent == NULL) {
profile =
_create_profile (self, type, parent, name, description, format, preset,
preset_name, id, presence, restriction, pass, variableframerate);
ges_project_add_encoding_profile (GES_FORMATTER (self)->project, profile);
gst_object_unref (profile);
goto done;
}
for (tmp = ges_project_list_encoding_profiles (GES_FORMATTER (self)->project);
tmp; tmp = tmp->next) {
GstEncodingProfile *tmpprofile = GST_ENCODING_PROFILE (tmp->data);
if (g_strcmp0 (gst_encoding_profile_get_name (tmpprofile),
gst_encoding_profile_get_name (tmpprofile)) == 0) {
if (!GST_IS_ENCODING_CONTAINER_PROFILE (tmpprofile)) {
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
"Profile '%s' parent %s is not a container...'", name, parent);
goto done;
}
parent_profile = GST_ENCODING_CONTAINER_PROFILE (tmpprofile);
break;
}
}
if (parent_profile == NULL) {
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
"Profile '%s' parent %s does not exist'", name, parent);
goto done;
}
profile =
_create_profile (self, type, parent, name, description, format, preset,
preset_name, id, presence, restriction, pass, variableframerate);
if (profile == NULL)
goto done;
gst_encoding_container_profile_add_profile (parent_profile, profile);
done:
if (format)
gst_caps_unref (format);
if (restriction)
gst_caps_unref (restriction);
}
static void
new_asset_cb (GESAsset * source, GAsyncResult * res, PendingAsset * passet)
{
GError *error = NULL;
gchar *possible_id = NULL;
GList *tmp, *pendings = NULL;
GESFormatter *self = passet->formatter;
const gchar *id = ges_asset_get_id (source);
GESBaseXmlFormatterPrivate *priv = _GET_PRIV (self);
GESAsset *asset = ges_asset_request_finish (res, &error);
if (error) {
GST_LOG_OBJECT (self, "Error %s creating asset id: %s", error->message, id);
/* We set the metas on the Asset to give hints to the user */
if (passet->metadatas)
ges_meta_container_add_metas_from_string (GES_META_CONTAINER (source),
passet->metadatas);
if (passet->properties)
gst_structure_foreach (passet->properties,
(GstStructureForeachFunc) set_property_foreach, source);
possible_id = ges_project_try_updating_id (GES_FORMATTER (self)->project,
source, error);
if (possible_id == NULL) {
GST_WARNING_OBJECT (self, "Abandoning creation of asset %s with ID %s"
"- Error: %s", g_type_name (G_OBJECT_TYPE (source)), id,
error->message);
pendings = g_hash_table_lookup (priv->assetid_pendingclips, id);
for (tmp = pendings; tmp; tmp = tmp->next)
_free_pending_clip (priv, (PendingClip *) tmp->data);
_free_pending_asset (priv, passet);
goto done;
}
/* We got a possible ID replacement for that asset, create it, and
* make sure the assetid_pendingclips will use it */
ges_asset_request_async (ges_asset_get_extractable_type (source),
possible_id, NULL, (GAsyncReadyCallback) new_asset_cb, passet);
ges_project_add_loading_asset (GES_FORMATTER (self)->project,
ges_asset_get_extractable_type (source), possible_id);
pendings = g_hash_table_lookup (priv->assetid_pendingclips, id);
if (pendings) {
g_hash_table_remove (priv->assetid_pendingclips, id);
g_hash_table_insert (priv->assetid_pendingclips,
g_strdup (possible_id), pendings);
/* pendings should no be freed */
pendings = NULL;
}
goto done;
}
/* now that we have the GESAsset, we create the GESClips */
pendings = g_hash_table_lookup (priv->assetid_pendingclips, id);
GST_DEBUG_OBJECT (self, "Asset created with ID %s, now creating pending "
" Clips, nb pendings: %i", id, g_list_length (pendings));
for (tmp = pendings; tmp; tmp = tmp->next) {
GList *tmpeffect;
GESClip *clip;
PendingClip *pend = (PendingClip *) tmp->data;
clip =
_add_object_to_layer (priv, pend->id, pend->layer, asset,
pend->start, pend->inpoint, pend->duration, pend->track_types,
pend->metadatas, pend->properties);
if (clip == NULL)
continue;
_add_children_properties (priv, pend->children_props, clip);
_add_pending_bindings (priv, pend->pending_bindings, clip);
GST_DEBUG_OBJECT (self, "Adding %i effect to new object",
g_list_length (pend->effects));
for (tmpeffect = pend->effects; tmpeffect; tmpeffect = tmpeffect->next) {
PendingEffects *peffect = (PendingEffects *) tmpeffect->data;
/* We keep a ref as _free_pending_effect unrefs it */
_add_track_element (self, clip, gst_object_ref (peffect->trackelement),
peffect->track_id, peffect->children_properties, peffect->properties);
}
_free_pending_clip (priv, pend);
}
/* And now add to the project */
ges_project_add_asset (self->project, asset);
gst_object_unref (self);
_free_pending_asset (priv, passet);
done:
if (asset)
gst_object_unref (asset);
if (possible_id)
g_free (possible_id);
if (pendings) {
g_hash_table_remove (priv->assetid_pendingclips, id);
g_list_free (pendings);
}
if (g_hash_table_size (priv->assetid_pendingclips) == 0 &&
priv->pending_assets == NULL)
_loading_done (self);
}
GESFormatter *
ges_default_formatter_new (void)
{
return GES_FORMATTER (ges_keyfile_formatter_new ());
}
static gboolean
load_pitivi_file_from_uri (GESFormatter * self,
GESTimeline * timeline, const gchar * uri, GError ** error)
{
xmlDocPtr doc;
GESLayer *layer;
GESPitiviFormatterPrivate *priv = GES_PITIVI_FORMATTER (self)->priv;
gboolean ret = TRUE;
gint *prio = malloc (sizeof (gint));
*prio = 0;
layer = ges_layer_new ();
g_object_set (layer, "auto-transition", TRUE, NULL);
g_hash_table_insert (priv->layers_table, prio, layer);
g_object_set (layer, "priority", (gint32) 0, NULL);
if (!ges_timeline_add_layer (timeline, layer)) {
GST_ERROR ("Couldn't add layer");
return FALSE;
}
if (!(doc = xmlParseFile (uri))) {
GST_ERROR ("The xptv file for uri %s was badly formed or did not exist",
uri);
return FALSE;
}
priv->xpathCtx = xmlXPathNewContext (doc);
if (self->project)
parse_metadatas (self);
if (!create_tracks (self)) {
GST_ERROR ("Couldn't create tracks");
return FALSE;
}
list_sources (self);
if (!parse_clips (self)) {
GST_ERROR ("Couldn't find clips markup in the xptv file");
return FALSE;
}
if (!parse_track_elements (self)) {
GST_ERROR ("Couldn't find track objects markup in the xptv file");
return FALSE;
}
/* If there are no clips to load we should emit
* 'project-loaded' signal.
*/
if (!g_hash_table_size (priv->clips_table) && GES_FORMATTER (self)->project) {
ges_project_set_loaded (GES_FORMATTER (self)->project,
GES_FORMATTER (self));
} else {
if (!make_clips (self)) {
GST_ERROR ("Couldn't deserialise the project properly");
return FALSE;
}
}
xmlXPathFreeContext (priv->xpathCtx);
xmlFreeDoc (doc);
return ret;
}
/**
* 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;
}
