Add a GESAssetTrackFileSource class and make use of it all around

docs/libs/ges-docs.sgml

@@ -102,6 +102,7 @@ platform as well as Windows. It is released under the GNU Library General Public
   <chapter>
     <title>Assets</title>
     <xi:include href="xml/ges-asset-file-source.xml"/>
+    <xi:include href="xml/ges-asset-track-file-source.xml"/>
     <xi:include href="xml/ges-project.xml"/>
   </chapter>
 

docs/libs/ges-sections.txt

@@ -987,6 +987,7 @@ ges_asset_filesource_is_image
 ges_asset_filesource_get_info
 ges_asset_filesource_new
 ges_asset_filesource_set_timeout
+ges_asset_filesource_get_stream_assets
 <SUBSECTION Standard>
 GESAssetFileSourcePrivate
 GES_ASSET_FILESOURCE
@@ -997,6 +998,23 @@ GES_IS_ASSET_FILESOURCE_CLASS
 GES_ASSET_FILESOURCE_GET_CLASS
 </SECTION>
 
+<SECTION>
+<FILE>ges-asset-track-file-source</FILE>
+<TITLE>GESAssetTrackFileSource</TITLE>
+GESAssetTrackFileSource
+ges_asset_track_filesource_get_type
+ges_asset_track_filesource_get_track_type
+ges_asset_track_filesource_get_filesource_asset
+<SUBSECTION Standard>
+GESAssetTrackFileSourcePrivate
+GES_ASSET_TRACK_FILESOURCE
+GES_TYPE_ASSET_TRACK_FILESOURCE
+GES_ASSET_TRACK_FILESOURCE_CLASS
+GES_IS_ASSET_TRACK_FILESOURCE
+GES_IS_ASSET_TRACK_FILESOURCE_CLASS
+GES_ASSET_TRACK_FILESOURCE_GET_CLASS
+</SECTION>
+
 <SECTION>
 <FILE>ges-project</FILE>
 <TITLE>GESProject</TITLE>

ges/ges-asset-file-source.c

@@ -20,9 +20,9 @@
  */
 /**
  * SECTION: ges-asset-file-source
- * @short_description: A #GESAsset subclass speciliazed in #GESTimelineFileSource extraction
+ * @short_description: A #GESAsset subclass specialized in #GESTimelineFileSource extraction
  *
- * The #GESAssetFileSource is a special #GESAssetFileSource that lets you handle
+ * The #GESAssetFileSource is a special #GESAsset that lets you handle
  * the media file to use inside the GStreamer Editing Services. It has APIs that
  * let you get information about the medias. Also, the tags found in the media file are
  * set as Metadatas of the Asser.
@@ -62,6 +62,17 @@ struct _GESAssetFileSourcePrivate
   GstDiscovererInfo *info;
   GstClockTime duration;
   gboolean is_image;
+
+  GList *asset_trackfilesources;
+};
+
+struct _GESAssetTrackFileSourcePrivate
+{
+  GstDiscovererStreamInfo *sinfo;
+  GESAssetFileSource *parent_asset;
+
+  const gchar *uri;
+  GESTrackType type;
 };
 
 
@@ -232,6 +243,36 @@ ges_asset_filesource_init (GESAssetFileSource * self)
   priv->is_image = FALSE;
 }
 
+static void
+_create_track_file_source_asset (GESAssetFileSource * asset,
+    GstDiscovererStreamInfo * sinfo, GESTrackType type)
+{
+  GESAsset *tck_filesource_asset;
+  GESAssetTrackFileSourcePrivate *priv_tckasset;
+  GESAssetFileSourcePrivate *priv = asset->priv;
+  gchar *stream_id =
+      g_strdup (gst_discoverer_stream_info_get_stream_id (sinfo));
+
+  if (stream_id == NULL) {
+    GST_WARNING ("No stream ID found, using the pointer instead");
+
+    stream_id = g_strdup_printf ("%i", GPOINTER_TO_INT (sinfo));
+  }
+
+  tck_filesource_asset = ges_asset_request (GES_TYPE_TRACK_FILESOURCE,
+      stream_id, NULL);
+  g_free (stream_id);
+
+  priv_tckasset = GES_ASSET_TRACK_FILESOURCE (tck_filesource_asset)->priv;
+  priv_tckasset->uri = ges_asset_get_id (GES_ASSET (asset));
+  priv_tckasset->sinfo = g_object_ref (sinfo);
+  priv_tckasset->parent_asset = asset;
+  priv_tckasset->type = type;
+
+  priv->asset_trackfilesources = g_list_append (priv->asset_trackfilesources,
+      gst_object_ref (tck_filesource_asset));
+}
+
 static void
 ges_asset_filesource_set_info (GESAssetFileSource * self,
     GstDiscovererInfo * info)
@@ -244,6 +285,7 @@ ges_asset_filesource_set_info (GESAssetFileSource * self,
   /* Extract infos from the GstDiscovererInfo */
   stream_list = gst_discoverer_info_get_stream_list (info);
   for (tmp = stream_list; tmp; tmp = tmp->next) {
+    GESTrackType type = GES_TRACK_TYPE_UNKNOWN;
     GstDiscovererStreamInfo *sinf = (GstDiscovererStreamInfo *) tmp->data;
 
     if (GST_IS_DISCOVERER_AUDIO_INFO (sinf)) {
@@ -252,17 +294,21 @@ ges_asset_filesource_set_info (GESAssetFileSource * self,
       else
         supportedformats |= GES_TRACK_TYPE_AUDIO;
 
+      type = GES_TRACK_TYPE_AUDIO;
     } else if (GST_IS_DISCOVERER_VIDEO_INFO (sinf)) {
       if (supportedformats == GES_TRACK_TYPE_UNKNOWN)
         supportedformats = GES_TRACK_TYPE_VIDEO;
       else
         supportedformats |= GES_TRACK_TYPE_VIDEO;
       if (gst_discoverer_video_info_is_image ((GstDiscovererVideoInfo *)
-              sinf)) {
+              sinf))
         priv->is_image = TRUE;
-      }
-    } else
-      supportedformats = GES_TRACK_TYPE_UNKNOWN;
+      type = GES_TRACK_TYPE_VIDEO;
+    }
+
+    GST_DEBUG_OBJECT (self, "Creating AsserTrackFileSource for stream: %s",
+        gst_discoverer_stream_info_get_stream_id (sinf));
+    _create_track_file_source_asset (self, sinf, type);
   }
   ges_meta_container_set_uint (GES_META_CONTAINER (self),
       GES_META_TIMELINE_OBJECT_SUPPORTED_FORMATS, supportedformats);
@@ -437,3 +483,133 @@ ges_asset_filesource_set_timeout (GESAssetFileSourceClass * class,
 
   g_object_set (class->discoverer, "timeout", timeout, NULL);
 }
+
+/**
+ * ges_asset_filesource_get_stream_assets:
+ * @self: A #GESAssetFileSource
+ *
+ * Get the GESAssetTrackFileSource @self containes
+ *
+ * Returns: (transfer-none) (element-type GESAssetTrackFileSource): a
+ * #GList of #GESAssetTrackFileSource
+ */
+const GList *
+ges_asset_filesource_get_stream_assets (GESAssetFileSource * self)
+{
+  g_return_val_if_fail (GES_IS_ASSET_FILESOURCE (self), FALSE);
+
+  return self->priv->asset_trackfilesources;
+}
+
+/*****************************************************************
+ *            GESAssetTrackFileSource implementation             *
+ *****************************************************************/
+/**
+ * SECTION: ges-asset-track-file-source
+ * @short_description: A #GESAsset subclass specialized in #GESTrackFileSource extraction
+ *
+ * NOTE: You should never request such a #GESAsset as they will be created automatically
+ * by #GESAssetFileSource-s.
+ */
+
+G_DEFINE_TYPE (GESAssetTrackFileSource, ges_asset_track_filesource,
+    GES_TYPE_ASSET);
+
+static GESExtractable *
+_extract (GESAsset * asset, GError ** error)
+{
+  GESTrackObject *tckobj;
+  GESAssetTrackFileSourcePrivate *priv =
+      GES_ASSET_TRACK_FILESOURCE (asset)->priv;
+
+  if (GST_IS_DISCOVERER_STREAM_INFO (priv->sinfo) == FALSE) {
+    GST_WARNING_OBJECT (asset, "Can not extract as no strean info set");
+
+    return NULL;
+  }
+
+  if (priv->uri == NULL) {
+    GST_WARNING_OBJECT (asset, "Can not extract as no uri set");
+
+    return NULL;
+  }
+
+  tckobj = GES_TRACK_OBJECT (ges_track_filesource_new (g_strdup (priv->uri)));
+  ges_track_object_set_track_type (tckobj, priv->type);
+
+  return GES_EXTRACTABLE (tckobj);
+}
+
+static void
+ges_asset_track_filesource_class_init (GESAssetTrackFileSourceClass * klass)
+{
+  g_type_class_add_private (klass, sizeof (GESAssetTrackFileSourcePrivate));
+
+  GES_ASSET_CLASS (klass)->extract = _extract;
+}
+
+static void
+ges_asset_track_filesource_init (GESAssetTrackFileSource * self)
+{
+  GESAssetTrackFileSourcePrivate *priv;
+
+  priv = self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
+      GES_TYPE_ASSET_TRACK_FILESOURCE, GESAssetTrackFileSourcePrivate);
+
+  priv->sinfo = NULL;
+  priv->parent_asset = NULL;
+  priv->uri = NULL;
+  priv->type = GES_TRACK_TYPE_UNKNOWN;
+
+}
+
+GstDiscovererStreamInfo *
+ges_asset_track_filesource_get_stream_info (GESAssetTrackFileSource * asset)
+{
+  g_return_val_if_fail (GES_IS_ASSET_TRACK_FILESOURCE (asset), NULL);
+
+  return asset->priv->sinfo;
+}
+
+const gchar *
+ges_asset_track_filesource_get_stream_uri (GESAssetTrackFileSource * asset)
+{
+  g_return_val_if_fail (GES_IS_ASSET_TRACK_FILESOURCE (asset), NULL);
+
+  return asset->priv->uri;
+}
+
+/**
+ * ges_asset_track_filesource_get_track_type:
+ * @self: A #GESAssetFileSource
+ *
+ * Get the GESAssetTrackType the #GESTrackObject extracted from @self
+ * should get into
+ *
+ * Returns: a #GESTrackType
+ */
+const GESTrackType
+ges_asset_track_filesource_get_track_type (GESAssetTrackFileSource * asset)
+{
+  g_return_val_if_fail (GES_IS_ASSET_TRACK_FILESOURCE (asset),
+      GES_TRACK_TYPE_UNKNOWN);
+
+  return asset->priv->type;
+}
+
+/**
+ * ges_asset_track_filesource_get_filesource_asset:
+ * @self: A #GESAssetFileSource
+ *
+ * Get the #GESAssetFileSource @self is contained in
+ *
+ * Returns: a #GESAssetFileSource
+ */
+const GESAssetFileSource *
+ges_asset_track_filesource_get_filesource_asset (GESAssetTrackFileSource *
+    asset)
+{
+  g_return_val_if_fail (GES_IS_ASSET_TRACK_FILESOURCE (asset), NULL);
+
+  return asset->priv->parent_asset;
+}

ges/ges-asset-file-source.h

@@ -74,6 +74,45 @@ void ges_asset_filesource_new                         (const gchar *uri,
                                                        gpointer user_data);
 void ges_asset_filesource_set_timeout                 (GESAssetFileSourceClass *class,
                                                        GstClockTime timeout);
+const GList * ges_asset_filesource_get_stream_assets  (GESAssetFileSource *self);
+
+#define GES_TYPE_ASSET_TRACK_FILESOURCE ges_asset_track_filesource_get_type()
+#define GES_ASSET_TRACK_FILESOURCE(obj) \
+    (G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_ASSET_TRACK_FILESOURCE, GESAssetTrackFileSource))
+#define GES_ASSET_TRACK_FILESOURCE_CLASS(klass) \
+    (G_TYPE_CHECK_CLASS_CAST ((klass), GES_TYPE_ASSET_TRACK_FILESOURCE, GESAssetTrackFileSourceClass))
+#define GES_IS_ASSET_TRACK_FILESOURCE(obj) \
+    (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_ASSET_TRACK_FILESOURCE))
+#define GES_IS_ASSET_TRACK_FILESOURCE_CLASS(klass) \
+    (G_TYPE_CHECK_CLASS_TYPE ((klass), GES_TYPE_ASSET_TRACK_FILESOURCE))
+#define GES_ASSET_TRACK_FILESOURCE_GET_CLASS(obj) \
+    (G_TYPE_INSTANCE_GET_CLASS ((obj), GES_TYPE_ASSET_TRACK_FILESOURCE, GESAssetTrackFileSourceClass))
+
+typedef struct _GESAssetTrackFileSourcePrivate GESAssetTrackFileSourcePrivate;
+
+GType ges_asset_track_filesource_get_type (void);
+
+struct _GESAssetTrackFileSource
+{
+  GESAsset parent;
+
+  /* <private> */
+  GESAssetTrackFileSourcePrivate *priv;
+
+  /* Padding for API extension */
+  gpointer __ges_reserved[GES_PADDING];
+};
+
+struct _GESAssetTrackFileSourceClass
+{
+  GESAssetClass parent_class;
+
+  gpointer _ges_reserved[GES_PADDING];
+};
+GstDiscovererStreamInfo * ges_asset_track_filesource_get_stream_info     (GESAssetTrackFileSource *asset);
+const gchar * ges_asset_track_filesource_get_stream_uri                  (GESAssetTrackFileSource *asset);
+const GESTrackType ges_asset_track_filesource_get_track_type             (GESAssetTrackFileSource *asset);
+const GESAssetFileSource *ges_asset_track_filesource_get_filesource_asset (GESAssetTrackFileSource *asset);
 
 G_END_DECLS
 #endif /* _GES_ASSET_FILESOURCE */

ges/ges-timeline-file-source.c

@@ -62,11 +62,13 @@ enum
 };
 
 
+static GList *ges_timeline_filesource_create_track_objects (GESTimelineObject *
+    obj, GESTrackType type);
 static GESTrackObject
     * ges_timeline_filesource_create_track_object (GESTimelineObject * obj,
     GESTrackType type);
-void
-ges_timeline_filesource_set_uri (GESTimelineFileSource * self, gchar * uri);
+void ges_timeline_filesource_set_uri (GESTimelineFileSource * self,
+    gchar * uri);
 
 static void
 filesource_set_max_duration (GESTimelineObject * object, guint64 maxduration);
@@ -182,6 +184,8 @@ ges_timeline_filesource_class_init (GESTimelineFileSourceClass * klass)
           GES_TYPE_TRACK_TYPE, GES_TRACK_TYPE_UNKNOWN,
           G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
 
+  timobj_class->create_track_objects =
+      ges_timeline_filesource_create_track_objects;
   timobj_class->create_track_object =
       ges_timeline_filesource_create_track_object;
   timobj_class->set_max_duration = filesource_set_max_duration;
@@ -399,6 +403,28 @@ ges_timeline_filesource_get_uri (GESTimelineFileSource * self)
   return self->priv->uri;
 }
 
+static GList *
+ges_timeline_filesource_create_track_objects (GESTimelineObject * obj,
+    GESTrackType type)
+{
+  GList *res = NULL;
+  const GList *tmp, *stream_assets;
+
+  g_return_val_if_fail (obj->asset, NULL);
+
+  stream_assets =
+      ges_asset_filesource_get_stream_assets (GES_ASSET_FILESOURCE
+      (obj->asset));
+  for (tmp = stream_assets; tmp; tmp = tmp->next) {
+    GESAssetTrackFileSource *asset = GES_ASSET_TRACK_FILESOURCE (tmp->data);
+
+    if (ges_asset_track_filesource_get_track_type (asset) == type)
+      res = g_list_prepend (res, ges_asset_extract (GES_ASSET (asset), NULL));
+  }
+
+  return res;
+}
+
 static GESTrackObject *
 ges_timeline_filesource_create_track_object (GESTimelineObject * obj,
     GESTrackType type)

ges/ges-timeline-object.c

@@ -483,7 +483,8 @@ ges_timeline_object_create_track_object (GESTimelineObject * object,
   class = GES_TIMELINE_OBJECT_GET_CLASS (object);
 
   if (G_UNLIKELY (class->create_track_object == NULL)) {
-    GST_ERROR ("No 'create_track_object' implementation available");
+    GST_ERROR ("No 'create_track_object' implementation available fo type %s",
+        G_OBJECT_TYPE_NAME (object));
     return NULL;
   }
 
@@ -497,9 +498,7 @@ ges_timeline_object_create_track_object (GESTimelineObject * object,
  * @object: The origin #GESTimelineObject
  * @type: The #GESTrackType to create each #GESTrackObject for.
  *
- * Creates all #GESTrackObjects supported by this object provided track.
- * The track is responsible for calling #ges_timeline_release_track_object
- * on these objects when it is finished with them.
+ * Creates all #GESTrackObjects supported by this object for the track type.
  *
  * Returns: (element-type GESTrackObject) (transfer-full): A #GList of
  * newly created #GESTrackObject-s

ges/ges-timeline-object.h

@@ -165,6 +165,7 @@ struct _GESTimelineObject
 
   guint64 fullduration;         /* Full usable duration of the object (-1: no duration) */
 
+  /*< protected >*/
   GESAsset *asset;
 
   /*< private >*/

ges/ges-track-filesource.c

@@ -29,8 +29,26 @@
 #include "ges-internal.h"
 #include "ges-track-object.h"
 #include "ges-track-filesource.h"
+#include "ges-asset-file-source.h"
+#include "ges-extractable.h"
 
-G_DEFINE_TYPE (GESTrackFileSource, ges_track_filesource, GES_TYPE_TRACK_SOURCE);
+static gchar *
+ges_extractable_check_id (GType type, const gchar * id, GError ** error)
+{
+  return g_strdup (id);
+}
+
+static void
+ges_extractable_interface_init (GESExtractableInterface * iface)
+{
+  iface->asset_type = GES_TYPE_ASSET_TRACK_FILESOURCE;
+  iface->check_id = ges_extractable_check_id;
+}
+
+G_DEFINE_TYPE_WITH_CODE (GESTrackFileSource, ges_track_filesource,
+    GES_TYPE_TRACK_SOURCE,
+    G_IMPLEMENT_INTERFACE (GES_TYPE_EXTRACTABLE,
+        ges_extractable_interface_init));
 
 struct _GESTrackFileSourcePrivate
 {

ges/ges-types.h

@@ -143,6 +143,9 @@ typedef struct _GESAssetClass GESAssetClass;
 typedef struct _GESAssetFileSource GESAssetFileSource;
 typedef struct _GESAssetFileSourceClass GESAssetFileSourceClass;
 
+typedef struct _GESAssetTrackFileSource GESAssetTrackFileSource;
+typedef struct _GESAssetTrackFileSourceClass GESAssetTrackFileSourceClass;
+
 typedef struct _GESProject GESProject;
 typedef struct _GESProjectClass GESProjectClass;