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gstreamer/ges/ges-base-xml-formatter.c
Thibault Saunier fa512ecdba Implement asset proxying support 
API:
  ges_asset_set_proxy
  ges_asset_get_proxy
  ges_asset_list_proxies
  ges_asset_get_proxy_target

Differential Revision: https://phabricator.freedesktop.org/D504
2015-12-10 14:48:02 +01:00

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/* Gstreamer Editing Services
*
* Copyright (C) <2012> Thibault Saunier <thibault.saunier@collabora.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "ges.h"
#include "ges-internal.h"
GST_DEBUG_CATEGORY_STATIC (base_xml_formatter);
#undef GST_CAT_DEFAULT
#define GST_CAT_DEFAULT base_xml_formatter
#define parent_class ges_base_xml_formatter_parent_class
G_DEFINE_ABSTRACT_TYPE (GESBaseXmlFormatter, ges_base_xml_formatter,
GES_TYPE_FORMATTER);
#define _GET_PRIV(o)\
(((GESBaseXmlFormatter*) o)->priv)
static gboolean _loading_done_cb (GESFormatter * self);
typedef struct PendingEffects
{
gchar *track_id;
GESTrackElement *trackelement;
GstStructure *children_properties;
GstStructure *properties;
} PendingEffects;
typedef struct PendingBinding
{
gchar *track_id;
GstControlSource *source;
gchar *propname;
gchar *binding_type;
} PendingBinding;
typedef struct PendingChildProperties
{
gchar *track_id;
GstStructure *structure;
} PendingChildProperties;
typedef struct PendingGroup
{
GESGroup *group;
GList *pending_children;
} PendingGroup;
typedef struct PendingClip
{
gchar *id;
guint layer_prio;
GstClockTime start;
GstClockTime inpoint;
GESAsset *asset;
GstClockTime duration;
GESTrackType track_types;
GESLayer *layer;
GstStructure *properties;
gchar *metadatas;
GList *effects;
GList *pending_bindings;
GList *children_props;
/* TODO Implement asset effect management
* PendingTrackElements *track_elements; */
} PendingClip;
typedef struct LayerEntry
{
GESLayer *layer;
gboolean auto_trans;
} LayerEntry;
typedef struct PendingAsset
{
GESFormatter *formatter;
gchar *metadatas;
GstStructure *properties;
gchar *proxy_id;
} PendingAsset;
struct _GESBaseXmlFormatterPrivate
{
GMarkupParseContext *parsecontext;
gboolean check_only;
/* Asset.id -> PendingClip */
GHashTable *assetid_pendingclips;
/* Clip.ID -> Pending */
GHashTable *clipid_pendings;
/* Clip.ID -> Clip */
GHashTable *containers;
/* ID -> track */
GHashTable *tracks;
/* layer.prio -> LayerEntry */
GHashTable *layers;
/* List of asset waited to be created */
GList *pending_assets;
/* current track element */
GESTrackElement *current_track_element;
GESClip *current_clip;
PendingClip *current_pending_clip;
gboolean timeline_auto_transition;
GList *groups;
};
static void
_free_layer_entry (LayerEntry * entry)
{
gst_object_unref (entry->layer);
g_slice_free (LayerEntry, entry);
}
/*
enum
{
PROP_0,
PROP_LAST
};
static GParamSpec *properties[PROP_LAST];
enum
{
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL];
*/
static GMarkupParseContext *
create_parser_context (GESBaseXmlFormatter * self, const gchar * uri,
GError ** error)
{
gsize xmlsize;
GFile *file = NULL;
gchar *xmlcontent = NULL;
GMarkupParseContext *parsecontext = NULL;
GESBaseXmlFormatterClass *self_class =
GES_BASE_XML_FORMATTER_GET_CLASS (self);
GError *err = NULL;
GST_DEBUG_OBJECT (self, "loading xml from %s", uri);
file = g_file_new_for_uri (uri);
/* TODO Handle GCancellable */
if (!g_file_query_exists (file, NULL)) {
err = g_error_new (GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_FAILED,
"Invalid URI: \"%s\"", uri);
goto failed;
}
if (!g_file_load_contents (file, NULL, &xmlcontent, &xmlsize, NULL, &err))
goto failed;
if (g_strcmp0 (xmlcontent, "") == 0)
goto failed;
parsecontext = g_markup_parse_context_new (&self_class->content_parser,
G_MARKUP_TREAT_CDATA_AS_TEXT, self, NULL);
if (g_markup_parse_context_parse (parsecontext, xmlcontent, xmlsize,
&err) == FALSE)
goto failed;
if (!g_markup_parse_context_end_parse (parsecontext, &err))
goto failed;
done:
g_free (xmlcontent);
g_object_unref (file);
return parsecontext;
failed:
GST_WARNING ("failed to load contents from \"%s\"", uri);
g_propagate_error (error, err);
if (parsecontext) {
g_markup_parse_context_free (parsecontext);
parsecontext = NULL;
}
goto done;
}
/***********************************************
* *
* GESFormatter virtual methods implementation *
* *
***********************************************/
static gboolean
_can_load_uri (GESFormatter * dummy_formatter, const gchar * uri,
GError ** error)
{
GMarkupParseContext *ctx;
GESBaseXmlFormatter *self = GES_BASE_XML_FORMATTER (dummy_formatter);
/* we create a temporary object so we can use it as a context */
_GET_PRIV (self)->check_only = TRUE;
ctx = create_parser_context (self, uri, error);
if (!ctx)
return FALSE;
g_markup_parse_context_free (ctx);
return TRUE;
}
static gboolean
_load_from_uri (GESFormatter * self, GESTimeline * timeline, const gchar * uri,
GError ** error)
{
GESBaseXmlFormatterPrivate *priv = _GET_PRIV (self);
ges_timeline_set_auto_transition (timeline, FALSE);
priv->parsecontext =
create_parser_context (GES_BASE_XML_FORMATTER (self), uri, error);
if (!priv->parsecontext)
return FALSE;
if (g_hash_table_size (priv->assetid_pendingclips) == 0 &&
priv->pending_assets == NULL)
g_idle_add ((GSourceFunc) _loading_done_cb, g_object_ref (self));
return TRUE;
}
static gboolean
_save_to_uri (GESFormatter * formatter, GESTimeline * timeline,
const gchar * uri, gboolean overwrite, GError ** error)
{
GFile *file;
gboolean ret;
GString *str;
GOutputStream *stream;
GError *lerror = NULL;
g_return_val_if_fail (formatter->project, FALSE);
file = g_file_new_for_uri (uri);
stream = G_OUTPUT_STREAM (g_file_create (file, G_FILE_CREATE_NONE, NULL,
&lerror));
if (stream == NULL) {
if (overwrite && lerror->code == G_IO_ERROR_EXISTS) {
g_clear_error (&lerror);
stream = G_OUTPUT_STREAM (g_file_replace (file, NULL, FALSE,
G_FILE_CREATE_NONE, NULL, &lerror));
}
if (stream == NULL)
goto failed_opening_file;
}
str = GES_BASE_XML_FORMATTER_GET_CLASS (formatter)->save (formatter,
timeline, error);
if (str == NULL)
goto serialization_failed;
ret = g_output_stream_write_all (stream, str->str, str->len, NULL,
NULL, &lerror);
ret = g_output_stream_close (stream, NULL, &lerror);
if (ret == FALSE)
GST_WARNING_OBJECT (formatter, "Could not save %s because: %s", uri,
lerror->message);
g_string_free (str, TRUE);
gst_object_unref (file);
gst_object_unref (stream);
if (lerror)
g_propagate_error (error, lerror);
return ret;
serialization_failed:
gst_object_unref (file);
g_output_stream_close (stream, NULL, NULL);
gst_object_unref (stream);
if (lerror)
g_propagate_error (error, lerror);
return FALSE;
failed_opening_file:
gst_object_unref (file);
GST_WARNING_OBJECT (formatter, "Could not open %s because: %s", uri,
lerror->message);
if (lerror)
g_propagate_error (error, lerror);
return FALSE;
}
/***********************************************
* *
* GOBject virtual methods implementation *
* *
***********************************************/
static void
_dispose (GObject * object)
{
GESBaseXmlFormatterPrivate *priv = _GET_PRIV (object);
g_clear_pointer (&priv->assetid_pendingclips,
(GDestroyNotify) g_hash_table_unref);
g_clear_pointer (&priv->containers, (GDestroyNotify) g_hash_table_unref);
g_clear_pointer (&priv->clipid_pendings, (GDestroyNotify) g_hash_table_unref);
g_clear_pointer (&priv->tracks, (GDestroyNotify) g_hash_table_unref);
g_clear_pointer (&priv->layers, (GDestroyNotify) g_hash_table_unref);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
_finalize (GObject * object)
{
GESBaseXmlFormatterPrivate *priv = _GET_PRIV (object);
if (priv->parsecontext != NULL)
g_markup_parse_context_free (priv->parsecontext);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
ges_base_xml_formatter_init (GESBaseXmlFormatter * self)
{
GESBaseXmlFormatterPrivate *priv;
self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
GES_TYPE_BASE_XML_FORMATTER, GESBaseXmlFormatterPrivate);
priv = self->priv;
priv->check_only = FALSE;
priv->parsecontext = NULL;
priv->pending_assets = NULL;
/* The PendingClip are owned by the assetid_pendingclips table */
priv->assetid_pendingclips = g_hash_table_new_full (g_str_hash,
g_str_equal, g_free, NULL);
priv->clipid_pendings = g_hash_table_new_full (g_str_hash,
g_str_equal, g_free, NULL);
priv->containers = g_hash_table_new_full (g_str_hash,
g_str_equal, g_free, gst_object_unref);
priv->tracks = g_hash_table_new_full (g_str_hash,
g_str_equal, g_free, gst_object_unref);
priv->layers = g_hash_table_new_full (g_direct_hash,
g_direct_equal, NULL, (GDestroyNotify) _free_layer_entry);
priv->current_track_element = NULL;
priv->current_clip = NULL;
priv->current_pending_clip = NULL;
priv->timeline_auto_transition = FALSE;
}
static void
ges_base_xml_formatter_class_init (GESBaseXmlFormatterClass * self_class)
{
GESFormatterClass *formatter_klass = GES_FORMATTER_CLASS (self_class);
GObjectClass *object_class = G_OBJECT_CLASS (self_class);
g_type_class_add_private (self_class, sizeof (GESBaseXmlFormatterPrivate));
object_class->dispose = _dispose;
object_class->finalize = _finalize;
formatter_klass->can_load_uri = _can_load_uri;
formatter_klass->load_from_uri = _load_from_uri;
formatter_klass->save_to_uri = _save_to_uri;
self_class->save = NULL;
GST_DEBUG_CATEGORY_INIT (base_xml_formatter, "base-xml-formatter",
GST_DEBUG_FG_BLUE | GST_DEBUG_BOLD, "Base XML Formatter");
}
/***********************************************
* *
* Private methods *
* *
***********************************************/
static GESTrackElement *
_get_element_by_track_id (GESBaseXmlFormatterPrivate * priv,
const gchar * track_id, GESClip * clip)
{
GESTrack *track = g_hash_table_lookup (priv->tracks, track_id);
return ges_clip_find_track_element (clip, track, GES_TYPE_SOURCE);
}
static void
_set_auto_transition (gpointer prio, LayerEntry * entry, gpointer udata)
{
ges_layer_set_auto_transition (entry->layer, entry->auto_trans);
}
static void
_add_all_groups (GESFormatter * self)
{
GList *tmp;
GESTimelineElement *child;
GESBaseXmlFormatterPrivate *priv = GES_BASE_XML_FORMATTER (self)->priv;
for (tmp = priv->groups; tmp; tmp = tmp->next) {
GList *lchild;
PendingGroup *pgroup = tmp->data;
for (lchild = ((PendingGroup *) tmp->data)->pending_children; lchild;
lchild = lchild->next) {
child = g_hash_table_lookup (priv->containers, lchild->data);
GST_DEBUG_OBJECT (tmp->data, "Adding %s child %" GST_PTR_FORMAT " %s",
(const gchar *) lchild->data, child,
GES_TIMELINE_ELEMENT_NAME (child));
ges_timeline_element_set_timeline (GES_TIMELINE_ELEMENT (pgroup->group),
self->timeline);
ges_container_add (GES_CONTAINER (pgroup->group), child);
}
}
}
static void
_loading_done (GESFormatter * self)
{
GList *assets, *tmp;
GESBaseXmlFormatterPrivate *priv = GES_BASE_XML_FORMATTER (self)->priv;
_add_all_groups (self);
if (priv->parsecontext)
g_markup_parse_context_free (priv->parsecontext);
priv->parsecontext = NULL;
ges_timeline_set_auto_transition (self->timeline,
priv->timeline_auto_transition);
/* Go over all assets and make sure that all proxies we were 'trying' to set are finally
* properly set */
assets = ges_project_list_assets (self->project, GES_TYPE_EXTRACTABLE);
for (tmp = assets; tmp; tmp = tmp->next) {
ges_asset_set_proxy (NULL, tmp->data);
}
g_hash_table_foreach (priv->layers, (GHFunc) _set_auto_transition, NULL);
ges_project_set_loaded (self->project, self);
}
static gboolean
_loading_done_cb (GESFormatter * self)
{
_loading_done (self);
gst_object_unref (self);
return FALSE;
}
static gboolean
_set_child_property (GQuark field_id, const GValue * value,
GESTrackElement * effect)
{
GParamSpec *pspec;
GstElement *element;
/* FIXME: error handling? */
if (!ges_track_element_lookup_child (effect,
g_quark_to_string (field_id), &element, &pspec))
return TRUE;
g_object_set_property (G_OBJECT (element), pspec->name, value);
g_param_spec_unref (pspec);
gst_object_unref (element);
return TRUE;
}
gboolean
set_property_foreach (GQuark field_id, const GValue * value, GObject * object)
{
g_object_set_property (object, g_quark_to_string (field_id), value);
return TRUE;
}
static inline GESClip *
_add_object_to_layer (GESBaseXmlFormatterPrivate * priv, const gchar * id,
GESLayer * layer, GESAsset * asset, GstClockTime start,
GstClockTime inpoint, GstClockTime duration,
GESTrackType track_types, const gchar * metadatas,
GstStructure * properties)
{
GESClip *clip = ges_layer_add_asset (layer,
asset, start, inpoint, duration, track_types);
if (clip == NULL) {
GST_WARNING_OBJECT (clip, "Could not add object from asset: %s",
ges_asset_get_id (asset));
return NULL;
}
if (metadatas)
ges_meta_container_add_metas_from_string (GES_META_CONTAINER (clip),
metadatas);
if (properties)
gst_structure_foreach (properties,
(GstStructureForeachFunc) set_property_foreach, clip);
g_hash_table_insert (priv->containers, g_strdup (id), gst_object_ref (clip));
return clip;
}
static void
_add_track_element (GESFormatter * self, GESClip * clip,
GESTrackElement * trackelement, const gchar * track_id,
GstStructure * children_properties, GstStructure * properties)
{
GESBaseXmlFormatterPrivate *priv = _GET_PRIV (self);
GESTrack *track = g_hash_table_lookup (priv->tracks, track_id);
if (track == NULL) {
GST_WARNING_OBJECT (self, "No track with id %s, can not add trackelement",
track_id);
gst_object_unref (trackelement);
return;
}
GST_DEBUG_OBJECT (self, "Adding track_element: %" GST_PTR_FORMAT
" To : %" GST_PTR_FORMAT, trackelement, clip);
ges_container_add (GES_CONTAINER (clip), GES_TIMELINE_ELEMENT (trackelement));
gst_structure_foreach (children_properties,
(GstStructureForeachFunc) _set_child_property, trackelement);
if (properties) {
/* We do not serialize the priority anymore, and we should never have. */
gst_structure_remove_field (properties, "priority");
gst_structure_foreach (properties,
(GstStructureForeachFunc) set_property_foreach, trackelement);
}
}
static void
_free_pending_children_props (PendingChildProperties * pend)
{
g_free (pend->track_id);
if (pend->structure)
gst_structure_free (pend->structure);
}
static void
_free_pending_binding (PendingBinding * pend)
{
g_free (pend->propname);
g_free (pend->binding_type);
g_free (pend->track_id);
}
static void
_free_pending_effect (PendingEffects * pend)
{
g_free (pend->track_id);
gst_object_unref (pend->trackelement);
if (pend->children_properties)
gst_structure_free (pend->children_properties);
if (pend->properties)
gst_structure_free (pend->properties);
g_slice_free (PendingEffects, pend);
}
static void
_free_pending_clip (GESBaseXmlFormatterPrivate * priv, PendingClip * pend)
{
gst_object_unref (pend->layer);
if (pend->properties)
gst_structure_free (pend->properties);
g_list_free_full (pend->effects, (GDestroyNotify) _free_pending_effect);
g_list_free_full (pend->pending_bindings,
(GDestroyNotify) _free_pending_binding);
g_list_free_full (pend->children_props,
(GDestroyNotify) _free_pending_children_props);
g_hash_table_remove (priv->clipid_pendings, pend->id);
g_free (pend->id);
g_slice_free (PendingClip, pend);
}
static void
_free_pending_asset (GESBaseXmlFormatterPrivate * priv, PendingAsset * passet)
{
g_free (passet->metadatas);
g_free (passet->proxy_id);
if (passet->properties)
gst_structure_free (passet->properties);
priv->pending_assets = g_list_remove (priv->pending_assets, passet);
g_slice_free (PendingAsset, passet);
}
static void
_add_children_properties (GESBaseXmlFormatterPrivate * priv, GList * childprops,
GESClip * clip)
{
GList *tmpchildprops;
for (tmpchildprops = childprops; tmpchildprops;
tmpchildprops = tmpchildprops->next) {
PendingChildProperties *pchildprops = tmpchildprops->data;
GESTrackElement *element =
_get_element_by_track_id (priv, pchildprops->track_id, clip);
if (element && pchildprops->structure)
gst_structure_foreach (pchildprops->structure,
(GstStructureForeachFunc) _set_child_property, element);
}
}
static void
_add_pending_bindings (GESBaseXmlFormatterPrivate * priv, GList * bindings,
GESClip * clip)
{
GList *tmpbinding;
for (tmpbinding = bindings; tmpbinding; tmpbinding = tmpbinding->next) {
PendingBinding *pbinding = tmpbinding->data;
GESTrackElement *element =
_get_element_by_track_id (priv, pbinding->track_id, clip);
if (element)
ges_track_element_set_control_source (element,
pbinding->source, pbinding->propname, pbinding->binding_type);
}
}
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;
}
if (passet->proxy_id) {
/* We set the URI to be used as a proxy,
* this will finally be set as the proxy when we
* are done loading all assets */
ges_asset_try_proxy (asset, passet->proxy_id);
}
/* 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);
}
static GstEncodingProfile *
_create_profile (GESBaseXmlFormatter * self,
const gchar * type, const gchar * parent, const gchar * name,
const gchar * description, GstCaps * format, const gchar * preset,
const gchar * preset_name, gint id, guint presence, GstCaps * restriction,
guint pass, gboolean variableframerate, gboolean enabled)
{
GstEncodingProfile *profile = NULL;
if (!g_strcmp0 (type, "container")) {
profile = GST_ENCODING_PROFILE (gst_encoding_container_profile_new (name,
description, format, preset));
gst_encoding_profile_set_preset_name (profile, preset_name);
return profile;
} else if (!g_strcmp0 (type, "video")) {
GstEncodingVideoProfile *sprof = gst_encoding_video_profile_new (format,
preset, restriction, presence);
gst_encoding_video_profile_set_variableframerate (sprof, variableframerate);
gst_encoding_video_profile_set_pass (sprof, pass);
profile = GST_ENCODING_PROFILE (sprof);
} else if (!g_strcmp0 (type, "audio")) {
profile = GST_ENCODING_PROFILE (gst_encoding_audio_profile_new (format,
preset, restriction, presence));
} else {
GST_ERROR_OBJECT (self, "Unknown profile format '%s'", type);
return NULL;
}
gst_encoding_profile_set_name (profile, name);
gst_encoding_profile_set_enabled (profile, enabled);
gst_encoding_profile_set_description (profile, description);
gst_encoding_profile_set_preset_name (profile, preset_name);
return profile;
}
/***********************************************
* *
* Public methods *
* *
***********************************************/
void
ges_base_xml_formatter_add_asset (GESBaseXmlFormatter * self,
const gchar * id, GType extractable_type, GstStructure * properties,
const gchar * metadatas, const gchar * proxy_id, 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->proxy_id = g_strdup (proxy_id);
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
ges_base_xml_formatter_add_clip (GESBaseXmlFormatter * self,
const gchar * id, const char *asset_id, GType type, GstClockTime start,
GstClockTime inpoint, GstClockTime duration,
guint layer_prio, GESTrackType track_types, GstStructure * properties,
const gchar * metadatas, GError ** error)
{
GESAsset *asset;
GESClip *nclip;
LayerEntry *entry;
GESBaseXmlFormatterPrivate *priv = _GET_PRIV (self);
if (priv->check_only)
return;
entry = g_hash_table_lookup (priv->layers, GINT_TO_POINTER (layer_prio));
if (entry == NULL) {
g_set_error (error, GES_ERROR, GES_ERROR_FORMATTER_MALFORMED_INPUT_FILE,
"We got a Clip in a layer"
" that does not exist, something is wrong either in the project file or"
" in %s", g_type_name (G_OBJECT_TYPE (self)));
return;
}
/* We do not want the properties that are passed to layer-add_asset to be reset */
if (properties)
gst_structure_remove_fields (properties, "supported-formats",
"inpoint", "start", "duration", NULL);
asset = ges_asset_request (type, asset_id, NULL);
if (asset == NULL) {
gchar *real_id;
PendingClip *pclip;
GList *pendings;
real_id = ges_extractable_type_check_id (type, asset_id, error);
if (real_id == NULL) {
if (*error == NULL)
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
"Object type '%s' with Asset id: %s not be created'",
g_type_name (type), asset_id);
return;
}
pendings = g_hash_table_lookup (priv->assetid_pendingclips, asset_id);
pclip = g_slice_new0 (PendingClip);
GST_DEBUG_OBJECT (self, "Adding pending %p for %s, currently: %i",
pclip, asset_id, g_list_length (pendings));
pclip->id = g_strdup (id);
pclip->track_types = track_types;
pclip->duration = duration;
pclip->inpoint = inpoint;
pclip->start = start;
pclip->layer = gst_object_ref (entry->layer);
pclip->properties = properties ? gst_structure_copy (properties) : NULL;
pclip->metadatas = g_strdup (metadatas);
/* Add the new pending object to the hashtable */
g_hash_table_insert (priv->assetid_pendingclips, real_id,
g_list_append (pendings, pclip));
g_hash_table_insert (priv->clipid_pendings, g_strdup (id), pclip);
priv->current_clip = NULL;
priv->current_pending_clip = pclip;
return;
}
nclip = _add_object_to_layer (priv, id, entry->layer,
asset, start, inpoint, duration, track_types, metadatas, properties);
if (!nclip)
return;
priv->current_clip = nclip;
}
void
ges_base_xml_formatter_set_timeline_properties (GESBaseXmlFormatter * self,
GESTimeline * timeline, const gchar * properties, const gchar * metadatas)
{
GESBaseXmlFormatterPrivate *priv = _GET_PRIV (self);
gboolean auto_transition = FALSE;
if (properties) {
GstStructure *props = gst_structure_from_string (properties, NULL);
if (props) {
if (gst_structure_get_boolean (props, "auto-transition",
&auto_transition))
gst_structure_remove_field (props, "auto-transition");
gst_structure_foreach (props,
(GstStructureForeachFunc) set_property_foreach, timeline);
gst_structure_free (props);
}
}
if (metadatas) {
ges_meta_container_add_metas_from_string (GES_META_CONTAINER (timeline),
metadatas);
};
priv->timeline_auto_transition = auto_transition;
}
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) {
return;
}
track = ges_track_new (track_type, caps);
ges_timeline_add_track (GES_FORMATTER (self)->timeline, track);
if (properties) {
gchar *restriction;
GstCaps *restriction_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")) {
restriction_caps = gst_caps_from_string (restriction);
ges_track_set_restriction_caps (track, restriction_caps);
gst_caps_unref (restriction_caps);
}
gst_structure_foreach (properties,
(GstStructureForeachFunc) set_property_foreach, track);
g_free (restriction);
}
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_control_binding (GESBaseXmlFormatter * self,
const gchar * binding_type, const gchar * source_type,
const gchar * property_name, gint mode, const gchar * track_id,
GSList * timed_values)
{
GESBaseXmlFormatterPrivate *priv = _GET_PRIV (self);
GESTrackElement *element = NULL;
if (track_id[0] != '-' && priv->current_clip)
element = _get_element_by_track_id (priv, track_id, priv->current_clip);
else if (track_id[0] != '-' && priv->current_pending_clip) {
PendingBinding *pbinding;
pbinding = g_slice_new0 (PendingBinding);
pbinding->source = gst_interpolation_control_source_new ();
g_object_set (pbinding->source, "mode", mode, NULL);
gst_timed_value_control_source_set_from_list (GST_TIMED_VALUE_CONTROL_SOURCE
(pbinding->source), timed_values);
pbinding->propname = g_strdup (property_name);
pbinding->binding_type = g_strdup (binding_type);
pbinding->track_id = g_strdup (track_id);
priv->current_pending_clip->pending_bindings =
g_list_append (priv->current_pending_clip->pending_bindings, pbinding);
return;
}
else {
element = priv->current_track_element;
}
if (element == NULL) {
GST_WARNING ("No current track element to which we can append a binding");
return;
}
if (!g_strcmp0 (source_type, "interpolation")) {
GstControlSource *source;
source = gst_interpolation_control_source_new ();
ges_track_element_set_control_source (element, source,
property_name, binding_type);
g_object_set (source, "mode", mode, NULL);
gst_timed_value_control_source_set_from_list (GST_TIMED_VALUE_CONTROL_SOURCE
(source), timed_values);
} else
GST_WARNING ("This interpolation type is not supported\n");
}
void
ges_base_xml_formatter_add_source (GESBaseXmlFormatter * self,
const gchar * track_id, GstStructure * children_properties)
{
GESBaseXmlFormatterPrivate *priv = _GET_PRIV (self);
GESTrackElement *element = NULL;
if (track_id[0] != '-' && priv->current_clip)
element = _get_element_by_track_id (priv, track_id, priv->current_clip);
else if (track_id[0] != '-' && priv->current_pending_clip) {
PendingChildProperties *pchildprops;
pchildprops = g_slice_new0 (PendingChildProperties);
pchildprops->track_id = g_strdup (track_id);
pchildprops->structure = children_properties ?
gst_structure_copy (children_properties) : NULL;
priv->current_pending_clip->children_props =
g_list_append (priv->current_pending_clip->children_props, pchildprops);
return;
} else {
element = priv->current_track_element;
}
if (element == NULL) {
GST_WARNING
("No current track element to which we can append children properties");
return;
}
gst_structure_foreach (children_properties,
(GstStructureForeachFunc) _set_child_property, element);
}
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,
gboolean enabled, 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,
enabled);
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, enabled);
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);
}
void
ges_base_xml_formatter_add_group (GESBaseXmlFormatter * self,
const gchar * id, const gchar * properties)
{
PendingGroup *pgroup;
GESBaseXmlFormatterPrivate *priv = _GET_PRIV (self);
if (priv->check_only)
return;
pgroup = g_slice_new0 (PendingGroup);
pgroup->group = ges_group_new ();
g_hash_table_insert (priv->containers, g_strdup (id),
gst_object_ref (pgroup->group));
priv->groups = g_list_prepend (priv->groups, pgroup);
return;
}
void
ges_base_xml_formatter_last_group_add_child (GESBaseXmlFormatter * self,
const gchar * child_id, const gchar * name)
{
PendingGroup *pgroup;
GESBaseXmlFormatterPrivate *priv = _GET_PRIV (self);
if (priv->check_only)
return;
g_return_if_fail (priv->groups);
pgroup = priv->groups->data;
pgroup->pending_children =
g_list_prepend (pgroup->pending_children, g_strdup (child_id));
GST_DEBUG_OBJECT (self, "Adding %s to %s", child_id,
GES_TIMELINE_ELEMENT_NAME (((PendingGroup *) priv->groups->data)->group));
}
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