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GStreamer Editing Services 1.1.90 Reference Manual | ![]() |
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Top | Description | Object Hierarchy | Prerequisites | Known Implementations |
GESExtractableInterfaceGESExtractableInterface — An interface letting an object be extracted from a GESAsset |
#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
);
GESExtractable is implemented by GESAudioSource, GESAudioTestSource, GESAudioTransition, GESAudioUriSource, GESBaseEffect, GESBaseEffectClip, GESBaseTransitionClip, GESClip, GESContainer, GESEffect, GESEffectClip, GESFormatter, GESImageSource, GESLayer, GESOperation, GESOperationClip, GESOverlayClip, GESSimpleLayer, GESSource, GESSourceClip, GESTestClip, GESTextOverlay, GESTextOverlayClip, GESTimeline, GESTimelineElement, GESTitleClip, GESTitleSource, GESTrackElement, GESTransition, GESTransitionClip, GESUriClip, GESVideoSource, GESVideoTestSource, GESVideoTransition and GESVideoUriSource.
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 *class, GESAsset *asset); gpointer _ges_reserved[GES_PADDING]; } GESExtractableInterface;
gchar * (*GESExtractableCheckId) (GType type
,const gchar *id
,GError **error
);
|
The GType to check id for: |
|
The id to check |
|
An error that can be set if needed |
Returns : |
The ID to use for the asset or NULL if id is not valid |
GESAsset * ges_extractable_get_asset (GESExtractable *self
);
Method to get a asset from a GESExtractable
|
The GESExtractable from which to retrieve a GESAsset from |
Returns : |
the GESAsset or NULL if none have been set. [transfer none]
|
void ges_extractable_set_asset (GESExtractable *self
,GESAsset *asset
);
Method to set asset which was used to instaniate specified object
|
Target object |
|
The GESAsset to set. [transfer none] |
gchar * ges_extractable_get_id (GESExtractable *self
);
|
The GESExtractable |
Returns : |
The id of the associated GESAsset, free with g_free |