ges/ges-internal.h

   1 /* GStreamer Editing Services
   2  * Copyright (C) 2009 Edward Hervey <edward.hervey@collabora.co.uk>
   3  *               2009 Nokia Corporation
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  18  * Boston, MA 02110-1301, USA.
  19  */
  20
  21 #pragma once
  22
  23 #include <gst/gst.h>
  24 #include <gst/pbutils/encoding-profile.h>
  25 #include <gio/gio.h>
  26
  27 G_BEGIN_DECLS
  28
  29 #ifndef GST_CAT_DEFAULT
  30 #define GST_CAT_DEFAULT (_ges_debug ())
  31 #endif
  32
  33 #include "ges-timeline.h"
  34 #include "ges-track-element.h"
  35 #include "ges-timeline-element.h"
  36
  37 #include "ges-asset.h"
  38 #include "ges-base-xml-formatter.h"
  39 #include "ges-timeline-tree.h"
  40
  41 G_GNUC_INTERNAL
  42 GstDebugCategory * _ges_debug (void);
  43
  44 /*  The first 2 NLE priorities are used for:
  45  *    0- The Mixing element
  46  *    1- The Gaps
  47  */
  48 #define MIN_NLE_PRIO 2
  49 #define LAYER_HEIGHT 1000
  50
  51 #define _START(obj) GES_TIMELINE_ELEMENT_START (obj)
  52 #define _INPOINT(obj) GES_TIMELINE_ELEMENT_INPOINT (obj)
  53 #define _DURATION(obj) GES_TIMELINE_ELEMENT_DURATION (obj)
  54 #define _MAXDURATION(obj) GES_TIMELINE_ELEMENT_MAX_DURATION (obj)
  55 #define _PRIORITY(obj) GES_TIMELINE_ELEMENT_PRIORITY (obj)
  56 #ifndef _END
  57 #define _END(obj) (_START (obj) + _DURATION (obj))
  58 #endif
  59 #define _set_start0 ges_timeline_element_set_start
  60 #define _set_inpoint0 ges_timeline_element_set_inpoint
  61 #define _set_duration0 ges_timeline_element_set_duration
  62 #define _set_priority0 ges_timeline_element_set_priority
  63
  64 #define DEFAULT_FRAMERATE_N 30
  65 #define DEFAULT_FRAMERATE_D 1
  66 #define DEFAULT_WIDTH 1280
  67 #define DEFAULT_HEIGHT 720
  68
  69 #define GES_TIMELINE_ELEMENT_FORMAT \
  70     "s<%p>" \
  71     " [ %" GST_TIME_FORMAT \
  72     " (%" GST_TIME_FORMAT \
  73     ") - %" GST_TIME_FORMAT "(%" GST_TIME_FORMAT") layer: %" G_GINT32_FORMAT "] "
  74
  75 #define GES_TIMELINE_ELEMENT_ARGS(element) \
  76     GES_TIMELINE_ELEMENT_NAME(element), element, \
  77     GST_TIME_ARGS(GES_TIMELINE_ELEMENT_START(element)), \
  78     GST_TIME_ARGS(GES_TIMELINE_ELEMENT_INPOINT(element)), \
  79     GST_TIME_ARGS(GES_TIMELINE_ELEMENT_DURATION(element)), \
  80     GST_TIME_ARGS(GES_TIMELINE_ELEMENT_MAX_DURATION(element)), \
  81     GES_TIMELINE_ELEMENT_LAYER_PRIORITY(element)
  82
  83 #define GES_FORMAT GES_TIMELINE_ELEMENT_FORMAT
  84 #define GES_ARGS GES_TIMELINE_ELEMENT_ARGS
  85
  86 #define GES_TRACK_ELEMENT_IS_CORE(child) \
  87   (ges_track_element_get_creators (GES_TRACK_ELEMENT (child)) != NULL)
  88
  89 #define SUPRESS_UNUSED_WARNING(a) (void)a
  90
  91 G_GNUC_INTERNAL gboolean
  92 timeline_ripple_object         (GESTimeline *timeline, GESTimelineElement *obj,
  93                                 gint new_layer_priority,
  94                                 GList * layers, GESEdge edge,
  95                                 guint64 position);
  96
  97 G_GNUC_INTERNAL gboolean
  98 timeline_slide_object          (GESTimeline *timeline, GESTrackElement *obj,
  99                                     GList * layers, GESEdge edge, guint64 position);
 100
 101 G_GNUC_INTERNAL gboolean
 102 timeline_roll_object           (GESTimeline *timeline, GESTimelineElement *obj,
 103                                 GList * layers, GESEdge edge, guint64 position);
 104
 105 G_GNUC_INTERNAL gboolean
 106 timeline_trim_object           (GESTimeline *timeline, GESTimelineElement * object,
 107                                 guint32 new_layer_priority, GList * layers, GESEdge edge,
 108                                 guint64 position);
 109 G_GNUC_INTERNAL gboolean
 110 ges_timeline_trim_object_simple (GESTimeline * timeline, GESTimelineElement * obj,
 111                                  guint32 new_layer_priority, GList * layers, GESEdge edge,
 112                                  guint64 position, gboolean snapping);
 113
 114 G_GNUC_INTERNAL gboolean
 115 ges_timeline_move_object_simple (GESTimeline * timeline, GESTimelineElement * object,
 116                                  GList * layers, GESEdge edge, guint64 position);
 117
 118 G_GNUC_INTERNAL gboolean
 119 timeline_move_object           (GESTimeline *timeline, GESTimelineElement * object,
 120                                 guint32 new_layer_priority, GList * layers, GESEdge edge,
 121                                 guint64 position);
 122
 123 G_GNUC_INTERNAL void
 124 timeline_add_group             (GESTimeline *timeline,
 125                                 GESGroup *group);
 126 G_GNUC_INTERNAL void
 127 timeline_remove_group          (GESTimeline *timeline,
 128                                 GESGroup *group);
 129 G_GNUC_INTERNAL void
 130 timeline_emit_group_added      (GESTimeline *timeline,
 131                                 GESGroup *group);
 132 G_GNUC_INTERNAL void
 133 timeline_emit_group_removed    (GESTimeline * timeline,
 134                                 GESGroup * group, GPtrArray * array);
 135
 136 G_GNUC_INTERNAL
 137 gboolean
 138 timeline_add_element           (GESTimeline *timeline,
 139                                 GESTimelineElement *element);
 140 G_GNUC_INTERNAL
 141 gboolean
 142 timeline_remove_element       (GESTimeline *timeline,
 143                                GESTimelineElement *element);
 144
 145 G_GNUC_INTERNAL
 146 GNode *
 147 timeline_get_tree           (GESTimeline *timeline);
 148
 149 G_GNUC_INTERNAL
 150 void
 151 timeline_update_transition (GESTimeline *timeline);
 152
 153 G_GNUC_INTERNAL
 154 void
 155 timeline_fill_gaps            (GESTimeline *timeline);
 156
 157 G_GNUC_INTERNAL void
 158 timeline_create_transitions (GESTimeline * timeline, GESTrackElement * track_element);
 159
 160 G_GNUC_INTERNAL void timeline_get_framerate(GESTimeline *self, gint *fps_n,
 161                                             gint *fps_d);
 162 G_GNUC_INTERNAL void
 163 ges_timeline_set_moving_track_elements (GESTimeline * timeline, gboolean moving);
 164
 165 G_GNUC_INTERNAL gboolean
 166 ges_timeline_add_clip (GESTimeline * timeline, GESClip * clip);
 167
 168 G_GNUC_INTERNAL void
 169 ges_timeline_remove_clip (GESTimeline * timeline, GESClip * clip);
 170
 171 G_GNUC_INTERNAL
 172 void
 173 track_resort_and_fill_gaps    (GESTrack *track);
 174
 175 G_GNUC_INTERNAL
 176 void
 177 track_disable_last_gap        (GESTrack *track, gboolean disabled);
 178
 179 G_GNUC_INTERNAL void
 180 ges_asset_cache_init (void);
 181
 182 G_GNUC_INTERNAL void
 183 ges_asset_cache_deinit (void);
 184
 185 G_GNUC_INTERNAL void
 186 ges_asset_set_id (GESAsset *asset, const gchar *id);
 187
 188 G_GNUC_INTERNAL void
 189 ges_asset_cache_put (GESAsset * asset, GTask *task);
 190
 191 G_GNUC_INTERNAL gboolean
 192 ges_asset_cache_set_loaded(GType extractable_type, const gchar * id, GError *error);
 193
 194 /* FIXME: marked as GES_API just so they can be used in tests! */
 195
 196 GES_API GESAsset*
 197 ges_asset_cache_lookup(GType extractable_type, const gchar * id);
 198
 199 GES_API gboolean
 200 ges_asset_try_proxy (GESAsset *asset, const gchar *new_id);
 201
 202 G_GNUC_INTERNAL gboolean
 203 ges_asset_finish_proxy (GESAsset * proxy);
 204
 205 G_GNUC_INTERNAL gboolean
 206 ges_asset_request_id_update (GESAsset *asset, gchar **proposed_id,
 207     GError *error);
 208 G_GNUC_INTERNAL gchar *
 209 ges_effect_assect_id_get_type_and_bindesc (const char    *id,
 210                                            GESTrackType  *track_type,
 211                                            GError       **error);
 212
 213 G_GNUC_INTERNAL void _ges_uri_asset_cleanup (void);
 214
 215 G_GNUC_INTERNAL gboolean _ges_uri_asset_ensure_setup (gpointer uriasset_class);
 216
 217 /* GESExtractable internall methods
 218  *
 219  * FIXME Check if that should be public later
 220  */
 221 G_GNUC_INTERNAL GType
 222 ges_extractable_type_get_asset_type              (GType type);
 223
 224 G_GNUC_INTERNAL gchar *
 225 ges_extractable_type_check_id                    (GType type, const gchar *id, GError **error);
 226
 227 G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
 228 G_GNUC_INTERNAL GParameter *
 229 ges_extractable_type_get_parameters_from_id      (GType type, const gchar *id,
 230                                                   guint *n_params);
 231 G_GNUC_END_IGNORE_DEPRECATIONS;
 232
 233 G_GNUC_INTERNAL GType
 234 ges_extractable_get_real_extractable_type_for_id (GType type, const gchar * id);
 235
 236 G_GNUC_INTERNAL gboolean
 237 ges_extractable_register_metas                   (GType extractable_type, GESAsset *asset);
 238
 239 /************************************************
 240  *                                              *
 241  *        GESFormatter internal methods         *
 242  *                                              *
 243  ************************************************/
 244 G_GNUC_INTERNAL void
 245 ges_formatter_set_project                        (GESFormatter *formatter,
 246                                                   GESProject *project);
 247 G_GNUC_INTERNAL GESProject *
 248 ges_formatter_get_project                        (GESFormatter *formatter);
 249 G_GNUC_INTERNAL  GESAsset *
 250 _find_formatter_asset_for_id                     (const gchar *id);
 251
 252
 253
 254 /************************************************
 255  *                                              *
 256  *        GESProject internal methods           *
 257  *                                              *
 258  ************************************************/
 259
 260 /* FIXME This should probably become public, but we need to make sure it
 261  * is the right API before doing so */
 262 G_GNUC_INTERNAL  gboolean ges_project_set_loaded                  (GESProject * project,
 263                                                                    GESFormatter *formatter,
 264                                                                    GError *error);
 265 G_GNUC_INTERNAL  gchar * ges_project_try_updating_id              (GESProject *self,
 266                                                                    GESAsset *asset,
 267                                                                    GError *error);
 268 G_GNUC_INTERNAL  void ges_project_add_loading_asset               (GESProject *project,
 269                                                                    GType extractable_type,
 270                                                                    const gchar *id);
 271 G_GNUC_INTERNAL  gchar* ges_uri_asset_try_update_id               (GError *error, GESAsset *wrong_asset);
 272 /************************************************
 273  *                                              *
 274  *   GESBaseXmlFormatter internal methods       *
 275  *                                              *
 276  ************************************************/
 277
 278 /* FIXME GESBaseXmlFormatter is all internal for now, the API is not stable
 279  * fo now, so do not expose it */
 280 G_GNUC_INTERNAL void ges_base_xml_formatter_add_clip (GESBaseXmlFormatter * self,
 281                                                                  const gchar *id,
 282                                                                  const char *asset_id,
 283                                                                  GType type,
 284                                                                  GstClockTime start,
 285                                                                  GstClockTime inpoint,
 286                                                                  GstClockTime duration,
 287                                                                  guint layer_prio,
 288                                                                  GESTrackType track_types,
 289                                                                  GstStructure *properties,
 290                                                                  GstStructure * children_properties,
 291                                                                  const gchar *metadatas,
 292                                                                  GError **error);
 293 G_GNUC_INTERNAL void ges_base_xml_formatter_add_asset        (GESBaseXmlFormatter * self,
 294                                                                  const gchar * id,
 295                                                                  GType extractable_type,
 296                                                                  GstStructure *properties,
 297                                                                  const gchar *metadatas,
 298                                                                  const gchar *proxy_id,
 299                                                                  GError **error);
 300 G_GNUC_INTERNAL void ges_base_xml_formatter_add_layer           (GESBaseXmlFormatter *self,
 301                                                                  GType extractable_type,
 302                                                                  guint priority,
 303                                                                  GstStructure *properties,
 304                                                                  const gchar *metadatas,
 305                                                                  gchar **deactivated_tracks,
 306                                                                  GError **error);
 307 G_GNUC_INTERNAL void ges_base_xml_formatter_add_track           (GESBaseXmlFormatter *self,
 308                                                                  GESTrackType track_type,
 309                                                                  GstCaps *caps,
 310                                                                  const gchar *id,
 311                                                                  GstStructure *properties,
 312                                                                  const gchar *metadatas,
 313                                                                  GError **error);
 314 G_GNUC_INTERNAL void ges_base_xml_formatter_add_encoding_profile(GESBaseXmlFormatter * self,
 315                                                                  const gchar *type,
 316                                                                  const gchar *parent,
 317                                                                  const gchar * name,
 318                                                                  const gchar * description,
 319                                                                  GstCaps * format,
 320                                                                  const gchar * preset,
 321                                                                  GstStructure * preset_properties,
 322                                                                  const gchar * preset_name,
 323                                                                  guint id,
 324                                                                  guint presence,
 325                                                                  GstCaps * restriction,
 326                                                                  guint pass,
 327                                                                  gboolean variableframerate,
 328                                                                  GstStructure * properties,
 329                                                                  gboolean enabled,
 330                                                                  GError ** error);
 331 G_GNUC_INTERNAL void ges_base_xml_formatter_add_track_element   (GESBaseXmlFormatter *self,
 332                                                                  GType effect_type,
 333                                                                  const gchar *asset_id,
 334                                                                  const gchar * track_id,
 335                                                                  const gchar *timeline_obj_id,
 336                                                                  GstStructure *children_properties,
 337                                                                  GstStructure *properties,
 338                                                                  const gchar *metadatas,
 339                                                                  GError **error);
 340
 341 G_GNUC_INTERNAL void ges_base_xml_formatter_add_source          (GESBaseXmlFormatter *self,
 342                                                                  const gchar * track_id,
 343                                                                  GstStructure *children_properties,
 344                                                                  GstStructure *properties);
 345
 346 G_GNUC_INTERNAL void ges_base_xml_formatter_add_group           (GESBaseXmlFormatter *self,
 347                                                                  const gchar *name,
 348                                                                  const gchar *properties,
 349                                                                  const gchar *metadatas);
 350
 351 G_GNUC_INTERNAL void ges_base_xml_formatter_last_group_add_child(GESBaseXmlFormatter *self,
 352                                                                  const gchar * id,
 353                                                                  const gchar * name);
 354
 355 G_GNUC_INTERNAL void ges_base_xml_formatter_add_control_binding (GESBaseXmlFormatter * self,
 356                                                                   const gchar * binding_type,
 357                                                                   const gchar * source_type,
 358                                                                   const gchar * property_name,
 359                                                                   gint mode,
 360                                                                   const gchar *track_id,
 361                                                                   GSList * timed_values);
 362
 363 G_GNUC_INTERNAL void ges_base_xml_formatter_set_timeline_properties(GESBaseXmlFormatter * self,
 364                                                                     GESTimeline *timeline,
 365                                                                     const gchar *properties,
 366                                                                     const gchar *metadatas);
 367 G_GNUC_INTERNAL void ges_xml_formatter_deinit                       (void);
 368
 369 G_GNUC_INTERNAL gboolean set_property_foreach                   (GQuark field_id,
 370                                                                  const GValue * value,
 371                                                                  GObject * object);
 372
 373 G_GNUC_INTERNAL GstElement * get_element_for_encoding_profile   (GstEncodingProfile *prof,
 374                                                                  GstElementFactoryListType type);
 375
 376 /* Function to initialise GES */
 377 G_GNUC_INTERNAL void _init_standard_transition_assets        (void);
 378 G_GNUC_INTERNAL void _init_formatter_assets                  (void);
 379 G_GNUC_INTERNAL void _deinit_formatter_assets                (void);
 380
 381 /* Utilities */
 382 G_GNUC_INTERNAL gint element_start_compare                (GESTimelineElement * a,
 383                                                            GESTimelineElement * b);
 384 G_GNUC_INTERNAL gint element_end_compare                  (GESTimelineElement * a,
 385                                                            GESTimelineElement * b);
 386 G_GNUC_INTERNAL GstElementFactory *
 387 ges_get_compositor_factory                                (void);
 388
 389 G_GNUC_INTERNAL void
 390 ges_idle_add (GSourceFunc func, gpointer udata, GDestroyNotify notify);
 391
 392 G_GNUC_INTERNAL gboolean
 393 ges_util_structure_get_clocktime (GstStructure *structure, const gchar *name,
 394                                   GstClockTime *val, GESFrameNumber *frames);
 395
 396
 397 /****************************************************
 398  *              GESContainer                        *
 399  ****************************************************/
 400 G_GNUC_INTERNAL void _ges_container_sort_children         (GESContainer *container);
 401 G_GNUC_INTERNAL void _ges_container_sort_children_by_end  (GESContainer *container);
 402 G_GNUC_INTERNAL void _ges_container_set_height            (GESContainer * container,
 403                                                            guint32 height);
 404 G_GNUC_INTERNAL gint  _ges_container_get_priority_offset  (GESContainer * container,
 405                                                            GESTimelineElement *elem);
 406 G_GNUC_INTERNAL void _ges_container_set_priority_offset   (GESContainer * container,
 407                                                            GESTimelineElement *elem,
 408                                                            gint32 priority_offset);
 409
 410
 411 /****************************************************
 412  *                  GESClip                         *
 413  ****************************************************/
 414 G_GNUC_INTERNAL void              ges_clip_set_layer              (GESClip *clip, GESLayer  *layer);
 415 G_GNUC_INTERNAL gboolean          ges_clip_is_moving_from_layer   (GESClip *clip);
 416 G_GNUC_INTERNAL void              ges_clip_set_moving_from_layer  (GESClip *clip, gboolean is_moving);
 417 G_GNUC_INTERNAL GESTrackElement*  ges_clip_create_track_element   (GESClip *clip, GESTrackType type);
 418 G_GNUC_INTERNAL GList*            ges_clip_create_track_elements  (GESClip *clip, GESTrackType type);
 419 G_GNUC_INTERNAL gboolean          ges_clip_can_set_inpoint_of_child (GESClip * clip, GESTimelineElement * child, GstClockTime inpoint);
 420 G_GNUC_INTERNAL gboolean          ges_clip_can_set_track_of_child (GESClip * clip, GESTrackElement * child, GESTrack * tack);
 421 G_GNUC_INTERNAL void              ges_clip_empty_from_track       (GESClip * clip, GESTrack * track);
 422
 423 /****************************************************
 424  *              GESLayer                            *
 425  ****************************************************/
 426 G_GNUC_INTERNAL gboolean ges_layer_resync_priorities (GESLayer * layer);
 427 G_GNUC_INTERNAL void layer_set_priority               (GESLayer * layer, guint priority, gboolean emit);
 428
 429 /****************************************************
 430  *              GESTrackElement                     *
 431  ****************************************************/
 432 #define         NLE_OBJECT_TRACK_ELEMENT_QUARK                  (g_quark_from_string ("nle_object_track_element_quark"))
 433 G_GNUC_INTERNAL gboolean  ges_track_element_set_track           (GESTrackElement * object, GESTrack * track);
 434 G_GNUC_INTERNAL void ges_track_element_copy_properties          (GESTimelineElement * element,
 435                                                                  GESTimelineElement * elementcopy);
 436 G_GNUC_INTERNAL void ges_track_element_set_layer_active         (GESTrackElement *element, gboolean active);
 437
 438 G_GNUC_INTERNAL void ges_track_element_copy_bindings (GESTrackElement *element,
 439                                                       GESTrackElement *new_element,
 440                                                       guint64 position);
 441
 442 G_GNUC_INTERNAL void ges_track_element_add_creator              (GESTrackElement * self,
 443                                                                  GESClip * creator);
 444 G_GNUC_INTERNAL void ges_track_element_clear_creators           (GESTrackElement * self);
 445 /* NOTE: Returned element is only valid for **pointer comparison** */
 446 G_GNUC_INTERNAL GList * ges_track_element_get_creators          (GESTrackElement * self);
 447
 448 G_GNUC_INTERNAL GstElement* ges_source_create_topbin(const gchar* bin_name, GstElement* sub_element, GPtrArray* elements);
 449 G_GNUC_INTERNAL void ges_track_set_caps(GESTrack* track,
 450     const GstCaps* caps);
 451 G_GNUC_INTERNAL GstElement * ges_track_get_composition (GESTrack *track);
 452
 453
 454 /*********************************************
 455  *  GESTrackElement subclasses contructores  *
 456  ********************************************/
 457 G_GNUC_INTERNAL GESAudioTestSource * ges_audio_test_source_new (void);
 458 G_GNUC_INTERNAL GESAudioUriSource  * ges_audio_uri_source_new  (gchar *uri);
 459 G_GNUC_INTERNAL GESVideoUriSource  * ges_video_uri_source_new  (gchar *uri);
 460 G_GNUC_INTERNAL GESImageSource     * ges_image_source_new      (gchar *uri);
 461 G_GNUC_INTERNAL GESTitleSource     * ges_title_source_new      (void);
 462 G_GNUC_INTERNAL GESVideoTestSource * ges_video_test_source_new (void);
 463
 464 /****************************************************
 465  *              GESTimelineElement                  *
 466  ****************************************************/
 467 typedef enum
 468 {
 469   GES_CLIP_IS_MOVING = (1 << 0),
 470   GES_TIMELINE_ELEMENT_SET_SIMPLE = (1 << 1),
 471 } GESTimelineElementFlags;
 472
 473 G_GNUC_INTERNAL gdouble ges_timeline_element_get_media_duration_factor(GESTimelineElement *self);
 474 G_GNUC_INTERNAL GESTimelineElement * ges_timeline_element_get_copied_from (GESTimelineElement *self);
 475 G_GNUC_INTERNAL GESTimelineElementFlags ges_timeline_element_flags (GESTimelineElement *self);
 476 G_GNUC_INTERNAL void                ges_timeline_element_set_flags (GESTimelineElement *self, GESTimelineElementFlags flags);
 477 G_GNUC_INTERNAL gboolean            ges_timeline_element_add_child_property_full (GESTimelineElement *self,
 478                                                                                   GESTimelineElement *owner,
 479                                                                                   GParamSpec *pspec,
 480                                                                                   GObject *child);
 481
 482 G_GNUC_INTERNAL GObject *           ges_timeline_element_get_child_from_child_property (GESTimelineElement * self,
 483                                                                                         GParamSpec * pspec);
 484 G_GNUC_INTERNAL GParamSpec **       ges_timeline_element_get_children_properties (GESTimelineElement * self,
 485                                                                                   guint * n_properties);
 486
 487 #define ELEMENT_FLAGS(obj)             (ges_timeline_element_flags (GES_TIMELINE_ELEMENT(obj)))
 488 #define ELEMENT_SET_FLAG(obj,flag)     (ges_timeline_element_set_flags(GES_TIMELINE_ELEMENT(obj), (ELEMENT_FLAGS(obj) | (flag))))
 489 #define ELEMENT_UNSET_FLAG(obj,flag)   (ges_timeline_element_set_flags(GES_TIMELINE_ELEMENT(obj), (ELEMENT_FLAGS(obj) & ~(flag))))
 490 #define ELEMENT_FLAG_IS_SET(obj,flag)  ((ELEMENT_FLAGS (obj) & (flag)) == (flag))
 491
 492 /******************************
 493  *  GESMultiFile internal API *
 494  ******************************/
 495 typedef struct GESMultiFileURI
 496 {
 497   gchar *location;
 498   gint start;
 499   gint end;
 500 } GESMultiFileURI;
 501
 502 G_GNUC_INTERNAL GESMultiFileURI * ges_multi_file_uri_new (const gchar * uri);
 503
 504 /******************************
 505  *  GESUriSource internal API *
 506  ******************************/
 507 G_GNUC_INTERNAL gboolean
 508 ges_video_uri_source_get_natural_size(GESVideoSource* source, gint* width, gint* height);
 509
 510 /**********************************
 511  *  GESTestClipAsset internal API *
 512  **********************************/
 513 G_GNUC_INTERNAL gboolean ges_test_clip_asset_get_natural_size(GESAsset *self,
 514                                                               gint *width,
 515                                                               gint *height);
 516
 517 /************************
 518  * Our property masks   *
 519  ************************/
 520 #define GES_PARAM_NO_SERIALIZATION (1 << (G_PARAM_USER_SHIFT + 1))
 521
 522 /*******************************
 523  * GESMarkerList serialization *
 524  *******************************/
 525
 526
 527 G_GNUC_INTERNAL gchar * ges_marker_list_serialize (const GValue * v);
 528 G_GNUC_INTERNAL gboolean ges_marker_list_deserialize (GValue *dest, const gchar *s);
 529
 530 /********************
 531  *  Gnonlin helpers *
 532  ********************/
 533
 534 G_GNUC_INTERNAL gboolean ges_nle_composition_add_object (GstElement *comp, GstElement *object);
 535 G_GNUC_INTERNAL gboolean ges_nle_composition_remove_object (GstElement *comp, GstElement *object);
 536 G_GNUC_INTERNAL gboolean ges_nle_object_commit (GstElement * nlesource, gboolean recurse);
 537
 538 G_END_DECLS