mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-02 04:35:55 +00:00
a46390ff56
This is implemented on top of a Tree that represents the whole timeline. SourceClips can not fully overlap anymore and the tests have been updated to take that into account. Some new tests were added to verify that behaviour in greater details
191 lines
6.6 KiB
C
191 lines
6.6 KiB
C
/* GStreamer Editing Services
|
|
* Copyright (C) 2009 Edward Hervey <edward.hervey@collabora.co.uk>
|
|
* 2009 Nokia Corporation
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef _GES_CLIP
|
|
#define _GES_CLIP
|
|
|
|
#include <glib-object.h>
|
|
#include <gst/gst.h>
|
|
#include <ges/ges-timeline-element.h>
|
|
#include <ges/ges-container.h>
|
|
#include <ges/ges-types.h>
|
|
#include <ges/ges-track.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GES_TYPE_CLIP ges_clip_get_type()
|
|
#define GES_CLIP(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_CLIP, GESClip))
|
|
#define GES_CLIP_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GES_TYPE_CLIP, GESClipClass))
|
|
#define GES_IS_CLIP(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_CLIP))
|
|
#define GES_IS_CLIP_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GES_TYPE_CLIP))
|
|
#define GES_CLIP_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GES_TYPE_CLIP, GESClipClass))
|
|
|
|
typedef struct _GESClipPrivate GESClipPrivate;
|
|
|
|
/**
|
|
* GESFillTrackElementFunc:
|
|
* @clip: the #GESClip controlling the track elements
|
|
* @track_element: the #GESTrackElement
|
|
* @nleobj: the GNonLin object that needs to be filled.
|
|
*
|
|
* A function that will be called when the GNonLin object of a corresponding
|
|
* track element needs to be filled.
|
|
*
|
|
* The implementer of this function shall add the proper #GstElement to @nleobj
|
|
* using gst_bin_add().
|
|
*
|
|
* Returns: TRUE if the implementer succesfully filled the @nleobj, else #FALSE.
|
|
*/
|
|
typedef gboolean (*GESFillTrackElementFunc) (GESClip *clip, GESTrackElement *track_element,
|
|
GstElement *nleobj);
|
|
|
|
/**
|
|
* GESCreateTrackElementFunc:
|
|
* @clip: a #GESClip
|
|
* @type: a #GESTrackType
|
|
*
|
|
* Creates the 'primary' track element for this @clip.
|
|
*
|
|
* Subclasses should implement this method if they only provide a
|
|
* single #GESTrackElement per track.
|
|
*
|
|
* If the subclass needs to create more than one #GESTrackElement for a
|
|
* given track, then it should implement the 'create_track_elements'
|
|
* method instead.
|
|
*
|
|
* The implementer of this function shall return the proper #GESTrackElement
|
|
* that should be controlled by @clip for the given @track.
|
|
*
|
|
* The returned #GESTrackElement will be automatically added to the list
|
|
* of objects controlled by the #GESClip.
|
|
*
|
|
* Returns: the #GESTrackElement to be used, or %NULL if it can't provide one
|
|
* for the given @track.
|
|
*/
|
|
typedef GESTrackElement *(*GESCreateTrackElementFunc) (GESClip * clip, GESTrackType type);
|
|
|
|
/**
|
|
* GESCreateTrackElementsFunc:
|
|
* @clip: a #GESClip
|
|
* @type: a #GESTrackType
|
|
*
|
|
* Create all track elements this clip handles for this type of track.
|
|
*
|
|
* Subclasses should implement this method if they potentially need to
|
|
* return more than one #GESTrackElement(s) for a given #GESTrack.
|
|
*
|
|
* Returns: %TRUE on success %FALSE on failure.
|
|
*/
|
|
|
|
typedef GList * (*GESCreateTrackElementsFunc) (GESClip * clip, GESTrackType type);
|
|
|
|
/**
|
|
* GESClip:
|
|
*
|
|
* The #GESClip base class.
|
|
*/
|
|
struct _GESClip
|
|
{
|
|
GESContainer parent;
|
|
|
|
/*< private >*/
|
|
GESClipPrivate *priv;
|
|
|
|
/* Padding for API extension */
|
|
gpointer _ges_reserved[GES_PADDING_LARGE];
|
|
};
|
|
|
|
/**
|
|
* GESClipClass:
|
|
* @create_track_element: method to create a single #GESTrackElement for a given #GESTrack.
|
|
* @create_track_elements: method to create multiple #GESTrackElements for a
|
|
* #GESTrack.
|
|
*
|
|
* Subclasses can override the @create_track_element.
|
|
*/
|
|
struct _GESClipClass
|
|
{
|
|
/*< private > */
|
|
GESContainerClass parent_class;
|
|
|
|
/*< public > */
|
|
GESCreateTrackElementFunc create_track_element;
|
|
GESCreateTrackElementsFunc create_track_elements;
|
|
|
|
/*< private >*/
|
|
/* Padding for API extension */
|
|
gpointer _ges_reserved[GES_PADDING_LARGE];
|
|
};
|
|
|
|
/****************************************************
|
|
* Standard *
|
|
****************************************************/
|
|
GES_API
|
|
GType ges_clip_get_type (void);
|
|
|
|
/****************************************************
|
|
* TrackElement handling *
|
|
****************************************************/
|
|
GES_API
|
|
GESTrackType ges_clip_get_supported_formats (GESClip *clip);
|
|
GES_API
|
|
void ges_clip_set_supported_formats (GESClip *clip, GESTrackType supportedformats);
|
|
GES_API
|
|
GESTrackElement* ges_clip_add_asset (GESClip *clip, GESAsset *asset);
|
|
GES_API
|
|
GESTrackElement* ges_clip_find_track_element (GESClip *clip, GESTrack *track,
|
|
GType type);
|
|
GES_API
|
|
GList * ges_clip_find_track_elements (GESClip * clip, GESTrack * track,
|
|
GESTrackType track_type, GType type);
|
|
|
|
/****************************************************
|
|
* Layer *
|
|
****************************************************/
|
|
GES_API
|
|
GESLayer* ges_clip_get_layer (GESClip *clip);
|
|
GES_API
|
|
gboolean ges_clip_move_to_layer (GESClip *clip, GESLayer *layer);
|
|
|
|
/****************************************************
|
|
* Effects *
|
|
****************************************************/
|
|
GES_API
|
|
GList* ges_clip_get_top_effects (GESClip *clip);
|
|
GES_API
|
|
gint ges_clip_get_top_effect_position (GESClip *clip, GESBaseEffect *effect);
|
|
GES_API
|
|
gint ges_clip_get_top_effect_index (GESClip *clip, GESBaseEffect *effect);
|
|
GES_API
|
|
gboolean ges_clip_set_top_effect_priority (GESClip *clip, GESBaseEffect *effect,
|
|
guint newpriority);
|
|
GES_API
|
|
gboolean ges_clip_set_top_effect_index (GESClip *clip, GESBaseEffect *effect,
|
|
guint newindex);
|
|
|
|
/****************************************************
|
|
* Editing *
|
|
****************************************************/
|
|
GES_API
|
|
GESClip* ges_clip_split (GESClip *clip, guint64 position);
|
|
|
|
G_END_DECLS
|
|
#endif /* _GES_CLIP */
|