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 GES_CLOCK_TIME_IS_LESS(first, second) \
  65   (GST_CLOCK_TIME_IS_VALID (first) && (!GST_CLOCK_TIME_IS_VALID (second) \
  66   || (first) < (second)))
  67
  68 #define DEFAULT_FRAMERATE_N 30
  69 #define DEFAULT_FRAMERATE_D 1
  70 #define DEFAULT_WIDTH 1280
  71 #define DEFAULT_HEIGHT 720
  72
  73 #define GES_TIMELINE_ELEMENT_FORMAT \
  74     "s<%p>" \
  75     " [ %" GST_TIME_FORMAT \
  76     " (%" GST_TIME_FORMAT \
  77     ") - %" GST_TIME_FORMAT "(%" GST_TIME_FORMAT") layer: %" G_GINT32_FORMAT "] "
  78
  79 #define GES_TIMELINE_ELEMENT_ARGS(element) \
  80     GES_TIMELINE_ELEMENT_NAME(element), element, \
  81     GST_TIME_ARGS(GES_TIMELINE_ELEMENT_START(element)), \
  82     GST_TIME_ARGS(GES_TIMELINE_ELEMENT_INPOINT(element)), \
  83     GST_TIME_ARGS(GES_TIMELINE_ELEMENT_DURATION(element)), \
  84     GST_TIME_ARGS(GES_TIMELINE_ELEMENT_MAX_DURATION(element)), \
  85     GES_TIMELINE_ELEMENT_LAYER_PRIORITY(element)
  86
  87 #define GES_FORMAT GES_TIMELINE_ELEMENT_FORMAT
  88 #define GES_ARGS GES_TIMELINE_ELEMENT_ARGS
  89
  90 #define GES_IS_TIME_EFFECT(element) \
  91   (GES_IS_BASE_EFFECT (element) \
  92   && ges_base_effect_is_time_effect (GES_BASE_EFFECT (element)))
  93
  94 #define GES_TIMELINE_ELEMENT_SET_BEING_EDITED(element) \
  95   ELEMENT_SET_FLAG ( \
  96       ges_timeline_element_peak_toplevel (GES_TIMELINE_ELEMENT (element)), \
  97       GES_TIMELINE_ELEMENT_SET_SIMPLE)
  98
  99 #define GES_TIMELINE_ELEMENT_UNSET_BEING_EDITED(element) \
 100   ELEMENT_UNSET_FLAG ( \
 101       ges_timeline_element_peak_toplevel (GES_TIMELINE_ELEMENT (element)), \
 102       GES_TIMELINE_ELEMENT_SET_SIMPLE)
 103
 104 #define GES_TIMELINE_ELEMENT_BEING_EDITED(element) \
 105   ELEMENT_FLAG_IS_SET ( \
 106       ges_timeline_element_peak_toplevel (GES_TIMELINE_ELEMENT (element)), \
 107       GES_TIMELINE_ELEMENT_SET_SIMPLE)
 108
 109 #define SUPRESS_UNUSED_WARNING(a) (void)a
 110
 111 G_GNUC_INTERNAL void
 112 ges_timeline_freeze_auto_transitions (GESTimeline * timeline, gboolean freeze);
 113
 114 G_GNUC_INTERNAL GESAutoTransition *
 115 ges_timeline_get_auto_transition_at_end (GESTimeline * timeline, GESTrackElement * source);
 116
 117 G_GNUC_INTERNAL gboolean ges_timeline_is_disposed (GESTimeline* timeline);
 118
 119 G_GNUC_INTERNAL gboolean
 120 ges_timeline_edit (GESTimeline * timeline, GESTimelineElement * element,
 121     gint64 new_layer_priority, GESEditMode mode, GESEdge edge,
 122     guint64 position, GError ** error);
 123
 124 G_GNUC_INTERNAL void
 125 timeline_add_group             (GESTimeline *timeline,
 126                                 GESGroup *group);
 127 G_GNUC_INTERNAL void
 128 timeline_remove_group          (GESTimeline *timeline,
 129                                 GESGroup *group);
 130 G_GNUC_INTERNAL void
 131 timeline_emit_group_added      (GESTimeline *timeline,
 132                                 GESGroup *group);
 133 G_GNUC_INTERNAL void
 134 timeline_emit_group_removed    (GESTimeline * timeline,
 135                                 GESGroup * group, GPtrArray * array);
 136
 137 G_GNUC_INTERNAL
 138 gboolean
 139 timeline_add_element           (GESTimeline *timeline,
 140                                 GESTimelineElement *element);
 141 G_GNUC_INTERNAL
 142 gboolean
 143 timeline_remove_element       (GESTimeline *timeline,
 144                                GESTimelineElement *element);
 145
 146 G_GNUC_INTERNAL
 147 GNode *
 148 timeline_get_tree           (GESTimeline *timeline);
 149
 150 G_GNUC_INTERNAL
 151 void
 152 timeline_fill_gaps            (GESTimeline *timeline);
 153
 154 G_GNUC_INTERNAL void
 155 timeline_create_transitions (GESTimeline * timeline, GESTrackElement * track_element);
 156
 157 G_GNUC_INTERNAL void timeline_get_framerate(GESTimeline *self, gint *fps_n,
 158                                             gint *fps_d);
 159 G_GNUC_INTERNAL void
 160 ges_timeline_set_moving_track_elements (GESTimeline * timeline, gboolean moving);
 161
 162 G_GNUC_INTERNAL gboolean
 163 ges_timeline_add_clip (GESTimeline * timeline, GESClip * clip, GError ** error);
 164
 165 G_GNUC_INTERNAL void
 166 ges_timeline_remove_clip (GESTimeline * timeline, GESClip * clip);
 167
 168 G_GNUC_INTERNAL void
 169 ges_auto_transition_set_previous_source (GESAutoTransition * self, GESTrackElement * source);
 170
 171
 172
 173 G_GNUC_INTERNAL
 174 void
 175 track_resort_and_fill_gaps    (GESTrack *track);
 176
 177 G_GNUC_INTERNAL
 178 void
 179 track_disable_last_gap        (GESTrack *track, gboolean disabled);
 180
 181 G_GNUC_INTERNAL void
 182 ges_asset_cache_init (void);
 183
 184 G_GNUC_INTERNAL void
 185 ges_asset_cache_deinit (void);
 186
 187 G_GNUC_INTERNAL void
 188 ges_asset_set_id (GESAsset *asset, const gchar *id);
 189
 190 G_GNUC_INTERNAL void
 191 ges_asset_cache_put (GESAsset * asset, GTask *task);
 192
 193 G_GNUC_INTERNAL gboolean
 194 ges_asset_cache_set_loaded(GType extractable_type, const gchar * id, GError *error);
 195
 196 /* FIXME: marked as GES_API just so they can be used in tests! */
 197
 198 GES_API GESAsset*
 199 ges_asset_cache_lookup(GType extractable_type, const gchar * id);
 200
 201 GES_API gboolean
 202 ges_asset_try_proxy (GESAsset *asset, const gchar *new_id);
 203
 204 G_GNUC_INTERNAL gboolean
 205 ges_asset_finish_proxy (GESAsset * proxy);
 206
 207 G_GNUC_INTERNAL gboolean
 208 ges_asset_request_id_update (GESAsset *asset, gchar **proposed_id,
 209     GError *error);
 210 G_GNUC_INTERNAL gchar *
 211 ges_effect_assect_id_get_type_and_bindesc (const char    *id,
 212                                            GESTrackType  *track_type,
 213                                            GError       **error);
 214
 215 G_GNUC_INTERNAL void _ges_uri_asset_cleanup (void);
 216
 217 G_GNUC_INTERNAL gboolean _ges_uri_asset_ensure_setup (gpointer uriasset_class);
 218
 219 /* GESExtractable internall methods
 220  *
 221  * FIXME Check if that should be public later
 222  */
 223 G_GNUC_INTERNAL GType
 224 ges_extractable_type_get_asset_type              (GType type);
 225
 226 G_GNUC_INTERNAL gchar *
 227 ges_extractable_type_check_id                    (GType type, const gchar *id, GError **error);
 228
 229 G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
 230 G_GNUC_INTERNAL GParameter *
 231 ges_extractable_type_get_parameters_from_id      (GType type, const gchar *id,
 232                                                   guint *n_params);
 233 G_GNUC_END_IGNORE_DEPRECATIONS;
 234
 235 G_GNUC_INTERNAL GType
 236 ges_extractable_get_real_extractable_type_for_id (GType type, const gchar * id);
 237
 238 G_GNUC_INTERNAL gboolean
 239 ges_extractable_register_metas                   (GType extractable_type, GESAsset *asset);
 240
 241 /************************************************
 242  *                                              *
 243  *        GESFormatter internal methods         *
 244  *                                              *
 245  ************************************************/
 246 G_GNUC_INTERNAL void
 247 ges_formatter_set_project                        (GESFormatter *formatter,
 248                                                   GESProject *project);
 249 G_GNUC_INTERNAL GESProject *
 250 ges_formatter_get_project                        (GESFormatter *formatter);
 251 G_GNUC_INTERNAL  GESAsset *
 252 _find_formatter_asset_for_id                     (const gchar *id);
 253
 254
 255
 256 /************************************************
 257  *                                              *
 258  *        GESProject internal methods           *
 259  *                                              *
 260  ************************************************/
 261
 262 /* FIXME This should probably become public, but we need to make sure it
 263  * is the right API before doing so */
 264 G_GNUC_INTERNAL  gboolean ges_project_set_loaded                  (GESProject * project,
 265                                                                    GESFormatter *formatter,
 266                                                                    GError *error);
 267 G_GNUC_INTERNAL  gchar * ges_project_try_updating_id              (GESProject *self,
 268                                                                    GESAsset *asset,
 269                                                                    GError *error);
 270 G_GNUC_INTERNAL  void ges_project_add_loading_asset               (GESProject *project,
 271                                                                    GType extractable_type,
 272                                                                    const gchar *id);
 273 G_GNUC_INTERNAL  gchar* ges_uri_asset_try_update_id               (GError *error, GESAsset *wrong_asset);
 274 /************************************************
 275  *                                              *
 276  *   GESBaseXmlFormatter internal methods       *
 277  *                                              *
 278  ************************************************/
 279
 280 /* FIXME GESBaseXmlFormatter is all internal for now, the API is not stable
 281  * fo now, so do not expose it */
 282 G_GNUC_INTERNAL void ges_base_xml_formatter_add_clip (GESBaseXmlFormatter * self,
 283                                                                  const gchar *id,
 284                                                                  const char *asset_id,
 285                                                                  GType type,
 286                                                                  GstClockTime start,
 287                                                                  GstClockTime inpoint,
 288                                                                  GstClockTime duration,
 289                                                                  guint layer_prio,
 290                                                                  GESTrackType track_types,
 291                                                                  GstStructure *properties,
 292                                                                  GstStructure * children_properties,
 293                                                                  const gchar *metadatas,
 294                                                                  GError **error);
 295 G_GNUC_INTERNAL void ges_base_xml_formatter_add_asset        (GESBaseXmlFormatter * self,
 296                                                                  const gchar * id,
 297                                                                  GType extractable_type,
 298                                                                  GstStructure *properties,
 299                                                                  const gchar *metadatas,
 300                                                                  const gchar *proxy_id,
 301                                                                  GError **error);
 302 G_GNUC_INTERNAL void ges_base_xml_formatter_add_layer           (GESBaseXmlFormatter *self,
 303                                                                  GType extractable_type,
 304                                                                  guint priority,
 305                                                                  GstStructure *properties,
 306                                                                  const gchar *metadatas,
 307                                                                  gchar **deactivated_tracks,
 308                                                                  GError **error);
 309 G_GNUC_INTERNAL void ges_base_xml_formatter_add_track           (GESBaseXmlFormatter *self,
 310                                                                  GESTrackType track_type,
 311                                                                  GstCaps *caps,
 312                                                                  const gchar *id,
 313                                                                  GstStructure *properties,
 314                                                                  const gchar *metadatas,
 315                                                                  GError **error);
 316 G_GNUC_INTERNAL void ges_base_xml_formatter_add_encoding_profile(GESBaseXmlFormatter * self,
 317                                                                  const gchar *type,
 318                                                                  const gchar *parent,
 319                                                                  const gchar * name,
 320                                                                  const gchar * description,
 321                                                                  GstCaps * format,
 322                                                                  const gchar * preset,
 323                                                                  GstStructure * preset_properties,
 324                                                                  const gchar * preset_name,
 325                                                                  guint id,
 326                                                                  guint presence,
 327                                                                  GstCaps * restriction,
 328                                                                  guint pass,
 329                                                                  gboolean variableframerate,
 330                                                                  GstStructure * properties,
 331                                                                  gboolean enabled,
 332                                                                  GError ** error);
 333 G_GNUC_INTERNAL void ges_base_xml_formatter_add_track_element   (GESBaseXmlFormatter *self,
 334                                                                  GType effect_type,
 335                                                                  const gchar *asset_id,
 336                                                                  const gchar * track_id,
 337                                                                  const gchar *timeline_obj_id,
 338                                                                  GstStructure *children_properties,
 339                                                                  GstStructure *properties,
 340                                                                  const gchar *metadatas,
 341                                                                  GError **error);
 342
 343 G_GNUC_INTERNAL void ges_base_xml_formatter_add_source          (GESBaseXmlFormatter *self,
 344                                                                  const gchar * track_id,
 345                                                                  GstStructure *children_properties,
 346                                                                  GstStructure *properties);
 347
 348 G_GNUC_INTERNAL void ges_base_xml_formatter_add_group           (GESBaseXmlFormatter *self,
 349                                                                  const gchar *name,
 350                                                                  const gchar *properties,
 351                                                                  const gchar *metadatas);
 352
 353 G_GNUC_INTERNAL void ges_base_xml_formatter_last_group_add_child(GESBaseXmlFormatter *self,
 354                                                                  const gchar * id,
 355                                                                  const gchar * name);
 356
 357 G_GNUC_INTERNAL void ges_base_xml_formatter_add_control_binding (GESBaseXmlFormatter * self,
 358                                                                   const gchar * binding_type,
 359                                                                   const gchar * source_type,
 360                                                                   const gchar * property_name,
 361                                                                   gint mode,
 362                                                                   const gchar *track_id,
 363                                                                   GSList * timed_values);
 364
 365 G_GNUC_INTERNAL void ges_base_xml_formatter_set_timeline_properties(GESBaseXmlFormatter * self,
 366                                                                     GESTimeline *timeline,
 367                                                                     const gchar *properties,
 368                                                                     const gchar *metadatas);
 369 G_GNUC_INTERNAL void ges_xml_formatter_deinit                       (void);
 370
 371 G_GNUC_INTERNAL gboolean set_property_foreach                   (GQuark field_id,
 372                                                                  const GValue * value,
 373                                                                  GObject * object);
 374
 375 G_GNUC_INTERNAL GstElement * get_element_for_encoding_profile   (GstEncodingProfile *prof,
 376                                                                  GstElementFactoryListType type);
 377
 378 /* Function to initialise GES */
 379 G_GNUC_INTERNAL void _init_standard_transition_assets        (void);
 380 G_GNUC_INTERNAL void _init_formatter_assets                  (void);
 381 G_GNUC_INTERNAL void _deinit_formatter_assets                (void);
 382
 383 /* Utilities */
 384 G_GNUC_INTERNAL gint element_start_compare                (GESTimelineElement * a,
 385                                                            GESTimelineElement * b);
 386 G_GNUC_INTERNAL gint element_end_compare                  (GESTimelineElement * a,
 387                                                            GESTimelineElement * b);
 388 G_GNUC_INTERNAL GstElementFactory *
 389 ges_get_compositor_factory                                (void);
 390
 391 G_GNUC_INTERNAL void
 392 ges_idle_add (GSourceFunc func, gpointer udata, GDestroyNotify notify);
 393
 394 G_GNUC_INTERNAL gboolean
 395 ges_util_structure_get_clocktime (GstStructure *structure, const gchar *name,
 396                                   GstClockTime *val, GESFrameNumber *frames);
 397
 398
 399 /****************************************************
 400  *              GESContainer                        *
 401  ****************************************************/
 402 G_GNUC_INTERNAL void _ges_container_sort_children         (GESContainer *container);
 403 G_GNUC_INTERNAL void _ges_container_set_height            (GESContainer * container,
 404                                                            guint32 height);
 405
 406 /****************************************************
 407  *                  GESClip                         *
 408  ****************************************************/
 409 G_GNUC_INTERNAL void              ges_clip_set_layer              (GESClip *clip, GESLayer  *layer);
 410 G_GNUC_INTERNAL gboolean          ges_clip_is_moving_from_layer   (GESClip *clip);
 411 G_GNUC_INTERNAL void              ges_clip_set_moving_from_layer  (GESClip *clip, gboolean is_moving);
 412 G_GNUC_INTERNAL GESTrackElement*  ges_clip_create_track_element   (GESClip *clip, GESTrackType type);
 413 G_GNUC_INTERNAL GList*            ges_clip_create_track_elements  (GESClip *clip, GESTrackType type);
 414 G_GNUC_INTERNAL gboolean          ges_clip_can_set_inpoint_of_child (GESClip * clip, GESTrackElement * child, GstClockTime inpoint, GError ** error);
 415 G_GNUC_INTERNAL gboolean          ges_clip_can_set_max_duration_of_child (GESClip * clip, GESTrackElement * child, GstClockTime max_duration, GError ** error);
 416 G_GNUC_INTERNAL gboolean          ges_clip_can_set_active_of_child (GESClip * clip, GESTrackElement * child, gboolean active, GError ** error);
 417 G_GNUC_INTERNAL gboolean          ges_clip_can_set_priority_of_child (GESClip * clip, GESTrackElement * child, guint32 priority, GError ** error);
 418 G_GNUC_INTERNAL gboolean          ges_clip_can_set_track_of_child (GESClip * clip, GESTrackElement * child, GESTrack * tack, GError ** error);
 419 G_GNUC_INTERNAL gboolean          ges_clip_can_set_time_property_of_child (GESClip * clip, GESTrackElement * child, GObject * prop_object, GParamSpec * pspec, const GValue * value, GError ** error);
 420 G_GNUC_INTERNAL void              ges_clip_empty_from_track       (GESClip * clip, GESTrack * track);
 421
 422 /****************************************************
 423  *              GESLayer                            *
 424  ****************************************************/
 425 G_GNUC_INTERNAL gboolean ges_layer_resync_priorities (GESLayer * layer);
 426 G_GNUC_INTERNAL void layer_set_priority               (GESLayer * layer, guint priority, gboolean emit);
 427
 428 /****************************************************
 429  *              GESTrackElement                     *
 430  ****************************************************/
 431 #define         NLE_OBJECT_TRACK_ELEMENT_QUARK                  (g_quark_from_string ("nle_object_track_element_quark"))
 432 G_GNUC_INTERNAL gboolean  ges_track_element_set_track           (GESTrackElement * object, GESTrack * track, GError ** error);
 433 G_GNUC_INTERNAL void ges_track_element_copy_properties          (GESTimelineElement * element,
 434                                                                  GESTimelineElement * elementcopy);
 435 G_GNUC_INTERNAL void ges_track_element_set_layer_active         (GESTrackElement *element, gboolean active);
 436
 437 G_GNUC_INTERNAL void ges_track_element_copy_bindings (GESTrackElement *element,
 438                                                       GESTrackElement *new_element,
 439                                                       guint64 position);
 440
 441 G_GNUC_INTERNAL void
 442 ges_track_element_set_creator_asset                    (GESTrackElement * self,
 443                                                        GESAsset *creator_asset);
 444 G_GNUC_INTERNAL GESAsset *
 445 ges_track_element_get_creator_asset                    (GESTrackElement * self);
 446
 447 G_GNUC_INTERNAL void
 448 ges_track_element_set_has_internal_source_is_forbidden (GESTrackElement * element);
 449
 450 G_GNUC_INTERNAL GstElement* ges_source_create_topbin(const gchar* bin_name, GstElement* sub_element, GPtrArray* elements);
 451 G_GNUC_INTERNAL void ges_track_set_caps(GESTrack* track,
 452     const GstCaps* caps);
 453 G_GNUC_INTERNAL GstElement * ges_track_get_composition (GESTrack *track);
 454
 455
 456 /*********************************************
 457  *  GESTrackElement subclasses contructores  *
 458  ********************************************/
 459 G_GNUC_INTERNAL GESAudioTestSource * ges_audio_test_source_new (void);
 460 G_GNUC_INTERNAL GESAudioUriSource  * ges_audio_uri_source_new  (gchar *uri);
 461 G_GNUC_INTERNAL GESVideoUriSource  * ges_video_uri_source_new  (gchar *uri);
 462 G_GNUC_INTERNAL GESImageSource     * ges_image_source_new      (gchar *uri);
 463 G_GNUC_INTERNAL GESTitleSource     * ges_title_source_new      (void);
 464 G_GNUC_INTERNAL GESVideoTestSource * ges_video_test_source_new (void);
 465
 466 /****************************************************
 467  *                GESBaseEffect                     *
 468  ****************************************************/
 469 G_GNUC_INTERNAL gchar *
 470 ges_base_effect_get_time_property_name        (GESBaseEffect * effect,
 471                                                GObject * child,
 472                                                GParamSpec * pspec);
 473 G_GNUC_INTERNAL GHashTable *
 474 ges_base_effect_get_time_property_values      (GESBaseEffect * effect);
 475 G_GNUC_INTERNAL GstClockTime
 476 ges_base_effect_translate_source_to_sink_time (GESBaseEffect * effect,
 477                                                GstClockTime time,
 478                                                GHashTable * time_property_values);
 479 G_GNUC_INTERNAL GstClockTime
 480 ges_base_effect_translate_sink_to_source_time (GESBaseEffect * effect,
 481                                                GstClockTime time,
 482                                                GHashTable * time_property_values);
 483
 484 /****************************************************
 485  *              GESTimelineElement                  *
 486  ****************************************************/
 487 typedef enum
 488 {
 489   GES_CLIP_IS_MOVING = (1 << 0),
 490   GES_TIMELINE_ELEMENT_SET_SIMPLE = (1 << 1),
 491 } GESTimelineElementFlags;
 492
 493 G_GNUC_INTERNAL GESTimelineElement * ges_timeline_element_peak_toplevel (GESTimelineElement * self);
 494 G_GNUC_INTERNAL gdouble ges_timeline_element_get_media_duration_factor(GESTimelineElement *self);
 495 G_GNUC_INTERNAL GESTimelineElement * ges_timeline_element_get_copied_from (GESTimelineElement *self);
 496 G_GNUC_INTERNAL GESTimelineElementFlags ges_timeline_element_flags (GESTimelineElement *self);
 497 G_GNUC_INTERNAL void                ges_timeline_element_set_flags (GESTimelineElement *self, GESTimelineElementFlags flags);
 498 G_GNUC_INTERNAL gboolean            ges_timeline_element_add_child_property_full (GESTimelineElement *self,
 499                                                                                   GESTimelineElement *owner,
 500                                                                                   GParamSpec *pspec,
 501                                                                                   GObject *child);
 502
 503 G_GNUC_INTERNAL GObject *           ges_timeline_element_get_child_from_child_property (GESTimelineElement * self,
 504                                                                                         GParamSpec * pspec);
 505 G_GNUC_INTERNAL GParamSpec **       ges_timeline_element_get_children_properties (GESTimelineElement * self,
 506                                                                                   guint * n_properties);
 507
 508 #define ELEMENT_FLAGS(obj)             (ges_timeline_element_flags (GES_TIMELINE_ELEMENT(obj)))
 509 #define ELEMENT_SET_FLAG(obj,flag)     (ges_timeline_element_set_flags(GES_TIMELINE_ELEMENT(obj), (ELEMENT_FLAGS(obj) | (flag))))
 510 #define ELEMENT_UNSET_FLAG(obj,flag)   (ges_timeline_element_set_flags(GES_TIMELINE_ELEMENT(obj), (ELEMENT_FLAGS(obj) & ~(flag))))
 511 #define ELEMENT_FLAG_IS_SET(obj,flag)  ((ELEMENT_FLAGS (obj) & (flag)) == (flag))
 512
 513 /******************************
 514  *  GESMultiFile internal API *
 515  ******************************/
 516 typedef struct GESMultiFileURI
 517 {
 518   gchar *location;
 519   gint start;
 520   gint end;
 521 } GESMultiFileURI;
 522
 523 G_GNUC_INTERNAL GESMultiFileURI * ges_multi_file_uri_new (const gchar * uri);
 524
 525 /******************************
 526  *  GESUriSource internal API *
 527  ******************************/
 528 G_GNUC_INTERNAL gboolean
 529 ges_video_uri_source_get_natural_size(GESVideoSource* source, gint* width, gint* height);
 530
 531 /**********************************
 532  *  GESTestClipAsset internal API *
 533  **********************************/
 534 G_GNUC_INTERNAL gboolean ges_test_clip_asset_get_natural_size (GESAsset *self,
 535                                                                gint *width,
 536                                                                gint *height);
 537 G_GNUC_INTERNAL gchar *ges_test_source_asset_check_id         (GType type, const gchar *id,
 538                                                                GError **error);
 539
 540 /************************
 541  * Our property masks   *
 542  ************************/
 543 #define GES_PARAM_NO_SERIALIZATION (1 << (G_PARAM_USER_SHIFT + 1))
 544
 545 /*******************************
 546  * GESMarkerList serialization *
 547  *******************************/
 548
 549
 550 G_GNUC_INTERNAL gchar * ges_marker_list_serialize (const GValue * v);
 551 G_GNUC_INTERNAL gboolean ges_marker_list_deserialize (GValue *dest, const gchar *s);
 552
 553 /********************
 554  *  Gnonlin helpers *
 555  ********************/
 556
 557 G_GNUC_INTERNAL gboolean ges_nle_composition_add_object (GstElement *comp, GstElement *object);
 558 G_GNUC_INTERNAL gboolean ges_nle_composition_remove_object (GstElement *comp, GstElement *object);
 559 G_GNUC_INTERNAL gboolean ges_nle_object_commit (GstElement * nlesource, gboolean recurse);
 560
 561 G_END_DECLS