GESExtractableInterface

GESExtractableInterface — An interface for objects which can be extracted from a GESAsset

Synopsis

#include <ges/ges.h>

                    GESExtractable;
                    GESExtractableInterface;
gchar *             (*GESExtractableCheckId)            (GType type,
                                                         const gchar *id,
                                                         GError **error);
GESAsset *          ges_extractable_get_asset           (GESExtractable *self);
void                ges_extractable_set_asset           (GESExtractable *self,
                                                         GESAsset *asset);
gchar *             ges_extractable_get_id              (GESExtractable *self);

Object Hierarchy

  GInterface
   +----GESExtractable

Prerequisites

GESExtractable requires GInitiallyUnowned.

Known Implementations

GESExtractable is implemented by GESAudioSource, GESAudioTestSource, GESAudioTransition, GESAudioUriSource, GESBaseEffect, GESBaseEffectClip, GESBaseTransitionClip, GESClip, GESContainer, GESEffect, GESEffectClip, GESFormatter, GESImageSource, GESLayer, GESOperation, GESOperationClip, GESOverlayClip, GESSource, GESSourceClip, GESTestClip, GESTextOverlay, GESTextOverlayClip, GESTimeline, GESTimelineElement, GESTitleClip, GESTitleSource, GESTrackElement, GESTransition, GESTransitionClip, GESUriClip, GESVideoSource, GESVideoTestSource, GESVideoTransition and GESVideoUriSource.

Description

FIXME: Long description needed

Details

GESExtractable

typedef struct _GESExtractable GESExtractable;

GESExtractableInterface

typedef struct {
  GTypeInterface parent;

  GType asset_type;

  GESExtractableCheckId check_id;
  gboolean can_update_asset;

  void (*set_asset)                  (GESExtractable *self,
                                         GESAsset *asset);

  GParameter *(*get_parameters_from_id) (const gchar *id,
                                         guint *n_params);

  gchar * (*get_id)                     (GESExtractable *self);

  GType (*get_real_extractable_type)    (GType wanted_type,
                                         const gchar *id);

  gboolean (*register_metas)            (GESExtractableInterface *self,
                                         GObjectClass *klass,
                                         GESAsset *asset);

  gpointer _ges_reserved[GES_PADDING];
} GESExtractableInterface;

GESExtractableCheckId ()

gchar *             (*GESExtractableCheckId)            (GType type,
                                                         const gchar *id,
                                                         GError **error);

type :

The GType to check id for:

id :

The id to check

error :

An error that can be set if needed

Returns :

The ID to use for the asset or NULL if id is not valid

ges_extractable_get_asset ()

GESAsset *          ges_extractable_get_asset           (GESExtractable *self);

Method for getting an asset from a GESExtractable

self :

The GESExtractable from which to retrieve a GESAsset

Returns :

The GESAsset or NULL if none has been set. [transfer none]

ges_extractable_set_asset ()

void                ges_extractable_set_asset           (GESExtractable *self,
                                                         GESAsset *asset);

Method to set the asset which instantiated the specified object

self :

Target object

asset :

The GESAsset to set. [transfer none]

ges_extractable_get_id ()

gchar *             ges_extractable_get_id              (GESExtractable *self);

self :

The GESExtractable

Returns :

The id of the associated GESAsset, free with g_free