/* 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);
}
/* 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;
}
static GstElement *
ges_multi_file_source_create_source (GESTrackElement * track_element)
{
GESMultiFileSource *self;
GstElement *bin, *src, *decodebin;
GstCaps *disc_caps;
GstDiscovererStreamInfo *stream_info;
GValue fps = G_VALUE_INIT;
GstCaps *caps;
GESUriSourceAsset *asset;
GESMultiFileURI *uri_data;
self = (GESMultiFileSource *) track_element;
asset =
GES_URI_SOURCE_ASSET (ges_extractable_get_asset (GES_EXTRACTABLE (self)));
if (asset != NULL) {
stream_info = ges_uri_source_asset_get_stream_info (asset);
g_assert (stream_info);
disc_caps = gst_discoverer_stream_info_get_caps (stream_info);
caps = gst_caps_copy (disc_caps);
GST_DEBUG ("Got some nice caps %s", gst_caps_to_string (disc_caps));
gst_object_unref (stream_info);
gst_caps_unref (disc_caps);
} else {
caps = gst_caps_new_empty ();
GST_WARNING ("Could not extract asset.");
}
g_value_init (&fps, GST_TYPE_FRACTION);
gst_value_set_fraction (&fps, 25, 1);
gst_caps_set_value (caps, "framerate", &fps);
bin = GST_ELEMENT (gst_bin_new ("multi-image-bin"));
src = gst_element_factory_make ("multifilesrc", NULL);
uri_data = ges_multi_file_uri_new (self->uri);
g_object_set (src, "start-index", uri_data->start, "stop-index",
uri_data->end, "caps", caps, "location", uri_data->location, NULL);
g_free (uri_data);
decodebin = gst_element_factory_make ("decodebin", NULL);
gst_bin_add_many (GST_BIN (bin), src, decodebin, NULL);
gst_element_link_pads_full (src, "src", decodebin, "sink",
GST_PAD_LINK_CHECK_NOTHING);
g_signal_connect (G_OBJECT (decodebin), "pad-added",
G_CALLBACK (pad_added_cb), bin);
return bin;
}
GESTimeline *
compTL (void)
{
GESTimeline *timeline;
GESTrack *trackv;
timeline = ges_timeline_new ();
trackv = GES_TRACK (ges_video_track_new ());
ges_timeline_add_track (timeline, trackv);
const gchar *assets[] = { "image/vieh.png",
"image/PNG_transparency_demonstration_1.png",
"image/Ice_Cream.png",
"image/Fish.png"
};
guint asset_count = 4;
for (int i = 1; i <= asset_count; i++) {
GESLayer *layer = ges_layer_new ();
ges_timeline_add_layer (timeline, layer);
g_object_set (layer, "priority", i - 1, NULL);
GESClip *vieh = ges_clip_from_rel_path (assets[i - 1], layer, 0, 0, 10,
GES_TRACK_TYPE_VIDEO);
GESTrackElement *elem =
ges_clip_find_track_element (vieh, trackv, G_TYPE_NONE);
GESUriClipAsset *asset =
GES_URI_CLIP_ASSET (ges_extractable_get_asset (GES_EXTRACTABLE (vieh)));
guint width = ges_asset_get_width (asset);
guint height = ges_asset_get_height (asset);
g_print ("%s: %dx%d\n", assets[i - 1], width, height);
ges_track_element_set_child_properties (elem,
"posx", i * 100, "posy", i * 100,
"width", i * 100 * width / height, "height", (i * 100) - 1, NULL);
}
GESLayer *backgroud_layer = ges_layer_new ();
ges_timeline_add_layer (timeline, backgroud_layer);
g_object_set (backgroud_layer, "priority", asset_count, NULL);
ges_clip_from_rel_path ("image/wallpaper-2597248.jpg", backgroud_layer, 0, 0,
10, GES_TRACK_TYPE_VIDEO);
ges_timeline_commit (timeline);
return timeline;
}
/* 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;
}
void
getClips (JsonReader * reader, GESLayer * layer, GESTrackType type,
gboolean absolute_paths)
{
int i;
json_reader_read_member (reader, "clips");
g_print ("= clips =\n");
for (i = 0; i < json_reader_count_elements (reader); i++) {
json_reader_read_element (reader, i);
const char *src = getString (reader, "src");
int start = getInt (reader, "start");
int in = getInt (reader, "in");
int dur = getInt (reader, "dur");
g_print ("Clip: %s (start: %d, in: %d, dur: %d)\n", src, start, in, dur);
GESClip *clip;
if (is_in_members (reader, "multi") && getBool (reader, "multi")) {
g_print ("multi on.\n");
clip =
ges_multi_clip_from_path (src, layer, start, in, dur, absolute_paths);
} else {
const char *path;
if (absolute_paths == TRUE) {
path = src;
} else {
path = ges_renderer_get_absolute_path (src);
}
clip = ges_clip_from_path (path, layer, start, in, dur, type);
}
GESTimeline *tl = ges_layer_get_timeline (layer);
GList *tracks = ges_timeline_get_tracks (tl);
GESTrack *trackv = g_list_first (tracks)->data;
GESTrack *tracka = g_list_last (tracks)->data;
if (is_in_members (reader, "volume")) {
double volume = getDouble (reader, "volume");
GESTrackElement *audioElement =
ges_clip_find_track_element (clip, tracka, G_TYPE_NONE);
if (audioElement != NULL) {
ges_track_element_set_child_properties (audioElement, "volume", volume,
NULL);
}
}
GESTrackElement *videoElement =
ges_clip_find_track_element (clip, trackv, G_TYPE_NONE);
if (videoElement != NULL) {
if (is_in_members (reader, "x")) {
int x = getInt (reader, "x");
ges_track_element_set_child_properties (videoElement, "posx", x, NULL);
}
if (is_in_members (reader, "y")) {
int y = getInt (reader, "y");
ges_track_element_set_child_properties (videoElement, "posy", y, NULL);
}
if (is_in_members (reader, "alpha")) {
gdouble alpha = getDouble (reader, "alpha");
ges_track_element_set_child_properties (videoElement, "alpha", alpha,
NULL);
}
if (is_in_members (reader, "size")) {
gdouble size = getDouble (reader, "size");
GESUriClipAsset *asset =
GES_URI_CLIP_ASSET (ges_extractable_get_asset (GES_EXTRACTABLE
(clip)));
guint width = ges_asset_get_width (asset);
guint height = ges_asset_get_height (asset);
if (width != 0 && height != 0) {
double dw = width * size;
double dh = height * size;
g_print ("%dx%d => * %f => %dx%d\n", width, height, size, (int) dw,
(int) dh);
ges_track_element_set_child_properties (videoElement,
"width", (int) dw, "height", (int) dh, NULL);
}
}
if (is_in_members (reader, "effect")) {
const char *effect_str = getString (reader, "effect");
if (strcmp (effect_str, "") != 0) {
g_print ("Using effect %s", effect_str);
GESEffect *effect = ges_effect_new (effect_str);
ges_container_add (GES_CONTAINER (clip),
GES_TIMELINE_ELEMENT (effect));
}
}
}
json_reader_end_element (reader);
}
json_reader_end_member (reader);
}