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GESTrackObject: re-factor property setting code

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And make sure notifications are emitted at the right time
This commit is contained in:
Edward Hervey 2010-12-16 18:20:47 +01:00
parent e6aeb97040
commit 411ac1cb99
4 changed files with 130 additions and 43 deletions
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10
docs/libs/ges-sections.txt
View file

@ -67,6 +67,11 @@ GES_TYPE_TRACK
<TITLE>GESTrackObject</TITLE>
GESTrackObject
GESTrackObjectClass
ges_track_object_set_duration
ges_track_object_set_inpoint
ges_track_object_set_priority
ges_track_object_set_priority_offset
ges_track_object_set_start
ges_track_object_set_active
ges_track_object_set_locked
ges_track_object_is_locked
@ -82,11 +87,6 @@ ges_track_object_get_priority_offset
GESTrackObjectPrivate
ges_track_object_set_timeline_object
ges_track_object_set_track
ges_track_object_set_duration_internal
ges_track_object_set_inpoint_internal
ges_track_object_set_priority_internal
ges_track_object_set_priority_offset_internal
ges_track_object_set_start_internal
ges_track_object_get_type
GES_IS_TRACK_OBJECT
GES_IS_TRACK_OBJECT_CLASS

24
ges/ges-timeline-object.c
View file

@ -321,10 +321,10 @@ ges_timeline_object_add_track_object (GESTimelineObject * object, GESTrackObject
GST_DEBUG ("Setting properties on newly created TrackObject");
ges_track_object_set_start_internal (trobj, object->start);
ges_track_object_set_priority_internal (trobj, object->priority);
ges_track_object_set_duration_internal (trobj, object->duration);
ges_track_object_set_inpoint_internal (trobj, object->inpoint);
ges_track_object_set_start (trobj, object->start);
ges_track_object_set_priority (trobj, object->priority);
ges_track_object_set_duration (trobj, object->duration);
ges_track_object_set_inpoint (trobj, object->inpoint);
GST_DEBUG ("Returning trobj:%p", trobj);
@ -426,8 +426,8 @@ ges_timeline_object_set_start (GESTimelineObject * object, guint64 start)
for (tmp = object->priv->trackobjects; tmp; tmp = g_list_next (tmp)) {
tr = (GESTrackObject *) tmp->data;
if (ges_track_object_is_locked (tr))
/* call set_start_internal on each trackobject */
ges_track_object_set_start_internal (tr, start);
/* call set_start on each trackobject */
ges_track_object_set_start (tr, start);
}
object->start = start;
@ -454,8 +454,8 @@ ges_timeline_object_set_inpoint (GESTimelineObject * object, guint64 inpoint)
tr = (GESTrackObject *) tmp->data;
if (ges_track_object_is_locked (tr))
/* call set_inpoint_internal on each trackobject */
ges_track_object_set_inpoint_internal (tr, inpoint);
/* call set_inpoint on each trackobject */
ges_track_object_set_inpoint (tr, inpoint);
}
object->inpoint = inpoint;
@ -481,8 +481,8 @@ ges_timeline_object_set_duration (GESTimelineObject * object, guint64 duration)
tr = (GESTrackObject *) tmp->data;
if (ges_track_object_is_locked (tr))
/* call set_duration_internal on each trackobject */
ges_track_object_set_duration_internal (tr, duration);
/* call set_duration on each trackobject */
ges_track_object_set_duration (tr, duration);
}
object->duration = duration;
@ -506,8 +506,8 @@ ges_timeline_object_set_priority (GESTimelineObject * object, guint priority)
for (tmp = object->priv->trackobjects; tmp; tmp = g_list_next (tmp)) {
tr = (GESTrackObject *) tmp->data;
if (ges_track_object_is_locked (tr))
/* call set_priority_internal on each trackobject */
ges_track_object_set_priority_internal (tr, priority);
/* call set_priority on each trackobject */
ges_track_object_set_priority (tr, priority);
}
object->priority = priority;

128
ges/ges-track-object.c
View file

@ -83,9 +83,12 @@ enum
PROP_DURATION,
PROP_PRIORITY,
PROP_PRIORITY_OFFSET,
PROP_ACTIVE
PROP_ACTIVE,
PROP_LAST
};
static GParamSpec *properties[PROP_LAST];
static GstElement *ges_track_object_create_gnl_object_func (GESTrackObject *
object);
@ -104,6 +107,19 @@ void gnlobject_duration_cb (GstElement * gnlobject, GParamSpec * arg
void gnlobject_active_cb (GstElement * gnlobject, GParamSpec * arg
G_GNUC_UNUSED, GESTrackObject * obj);
static inline gboolean
ges_track_object_set_start_internal (GESTrackObject * object, guint64 start);
static inline gboolean
ges_track_object_set_inpoint_internal (GESTrackObject * object,
guint64 inpoint);
static inline gboolean ges_track_object_set_duration_internal (GESTrackObject *
object, guint64 duration);
static inline gboolean ges_track_object_set_priority_internal (GESTrackObject *
object, guint32 priority);
static inline gboolean
ges_track_object_set_priority_offset_internal (GESTrackObject * object,
guint32 priority);
static gboolean ges_track_object_update_priority (GESTrackObject * object);
static void
@ -196,10 +212,10 @@ ges_track_object_class_init (GESTrackObjectClass * klass)
*
* The position of the object in the container #GESTrack (in nanoseconds).
*/
properties[PROP_START] = g_param_spec_uint64 ("start", "Start",
"The position in the container", 0, G_MAXUINT64, 0, G_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_START,
g_param_spec_uint64 ("start", "Start",
"The position in the container", 0, G_MAXUINT64, 0,
G_PARAM_READWRITE));
properties[PROP_START]);
/**
* GESTrackObject:in-point
@ -210,9 +226,11 @@ ges_track_object_class_init (GESTrackObjectClass * klass)
* Ex : an in-point of 5 seconds means that the first outputted buffer will
* be the one located 5 seconds in the controlled resource.
*/
g_object_class_install_property (object_class, PROP_INPOINT,
properties[PROP_INPOINT] =
g_param_spec_uint64 ("in-point", "In-point", "The in-point", 0,
G_MAXUINT64, 0, G_PARAM_READWRITE));
G_MAXUINT64, 0, G_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_INPOINT,
properties[PROP_INPOINT]);
/**
* GESTrackObject:duration
@ -221,9 +239,11 @@ ges_track_object_class_init (GESTrackObjectClass * klass)
* starting from 'in-point'.
*
*/
properties[PROP_DURATION] =
g_param_spec_uint64 ("duration", "Duration", "The duration to use", 0,
G_MAXUINT64, GST_SECOND, G_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_DURATION,
g_param_spec_uint64 ("duration", "Duration", "The duration to use",
0, G_MAXUINT64, GST_SECOND, G_PARAM_READWRITE));
properties[PROP_DURATION]);
/**
* GESTrackObject:priority
@ -236,19 +256,21 @@ ges_track_object_class_init (GESTrackObjectClass * klass)
* priorities go in increasing numerical value (with #G_MAXUINT64 being the
* lowest priority).
*/
properties[PROP_PRIORITY] = g_param_spec_uint ("priority", "Priority",
"The priority of the object", 0, G_MAXUINT, 0, G_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_PRIORITY,
g_param_spec_uint ("priority", "Priority",
"The priority of the object", 0, G_MAXUINT, 0, G_PARAM_READWRITE));
properties[PROP_PRIORITY]);
/**
* GESTrackObject:priority-offset
*
* The priority of the object relative to its parent #GESTimelineObject.
*/
g_object_class_install_property (object_class, PROP_PRIORITY_OFFSET,
properties[PROP_PRIORITY_OFFSET] =
g_param_spec_uint ("priority-offset", "Priority Offset",
"An offset from the base priority", 0, G_MAXUINT, 0,
G_PARAM_READWRITE));
"An offset from the base priority", 0, G_MAXUINT, 0, G_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_PRIORITY_OFFSET,
properties[PROP_PRIORITY_OFFSET]);
/**
* GESTrackObject:active
@ -256,9 +278,11 @@ ges_track_object_class_init (GESTrackObjectClass * klass)
* Whether the object should be taken into account in the #GESTrack output.
* If #FALSE, then its contents will not be used in the resulting track.
*/
properties[PROP_ACTIVE] =
g_param_spec_boolean ("active", "Active", "Use object in output", TRUE,
G_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_ACTIVE,
g_param_spec_boolean ("active", "Active", "Use object in output",
TRUE, G_PARAM_READWRITE));
properties[PROP_ACTIVE]);
klass->create_gnl_object = ges_track_object_create_gnl_object_func;
}
@ -278,7 +302,7 @@ ges_track_object_init (GESTrackObject * self)
self->priv->locked = TRUE;
}
gboolean
static inline gboolean
ges_track_object_set_start_internal (GESTrackObject * object, guint64 start)
{
GST_DEBUG ("object:%p, start:%" GST_TIME_FORMAT,
@ -294,7 +318,21 @@ ges_track_object_set_start_internal (GESTrackObject * object, guint64 start)
return TRUE;
};
gboolean
/**
* ges_track_object_set_start:
* @object: a #GESTrackObject
* @start: the start position (in #GstClockTime)
*
* Sets the position of the object in the container #GESTrack.
*/
void
ges_track_object_set_start (GESTrackObject * object, guint64 start)
{
if (ges_track_object_set_start_internal (object, start))
g_object_notify_by_pspec (G_OBJECT (object), properties[PROP_START]);
}
static inline gboolean
ges_track_object_set_inpoint_internal (GESTrackObject * object, guint64 inpoint)
{
@ -312,7 +350,21 @@ ges_track_object_set_inpoint_internal (GESTrackObject * object, guint64 inpoint)
return TRUE;
}
gboolean
/**
* ges_track_object_set_inpoint:
* @object: a #GESTrackObject
* @inpoint: the in-point (in #GstClockTime)
*
* Set the offset within the contents of this #GESTrackObject
*/
void
ges_track_object_set_inpoint (GESTrackObject * object, guint64 inpoint)
{
if (ges_track_object_set_inpoint_internal (object, inpoint))
g_object_notify_by_pspec (G_OBJECT (object), properties[PROP_INPOINT]);
}
static inline gboolean
ges_track_object_set_duration_internal (GESTrackObject * object,
guint64 duration)
{
@ -330,17 +382,34 @@ ges_track_object_set_duration_internal (GESTrackObject * object,
return TRUE;
}
/**
* ges_track_object_set_duration:
* @object: a #GESTrackObject
* @duration: the duration (in #GstClockTime)
*
* Set the duration which will be used in the container #GESTrack
* starting from the 'in-point'
*/
void
ges_track_object_set_duration (GESTrackObject * object, guint64 duration)
{
if (ges_track_object_set_duration_internal (object, duration))
g_object_notify_by_pspec (G_OBJECT (object), properties[PROP_DURATION]);
}
/* NOTE: we handle priority differently than other properties! the gnlpriority
* is object->base_priority + object->priority_offset! A change to either one
* will trigger an update to the gnonlin priority and a subsequent property
* notification.
*/
gboolean
static inline gboolean
ges_track_object_set_priority_internal (GESTrackObject * object,
guint32 priority)
{
guint32 save;
save = object->priv->base_priority;
GST_DEBUG ("object:%p, priority:%d", object, priority);
@ -352,6 +421,26 @@ ges_track_object_set_priority_internal (GESTrackObject * object,
return TRUE;
}
/**
* ges_track_object_set_priority:
* @object: a #GESTrackObject
* @priority: the priority
*
* Sets the priority of the object withing the containing #GESTrack.
* If two objects intersect over the same region of time, the priority
* property is used to decide which one takes precedence.
*
* The highest priority (that supercedes everything) is 0, and then
* lowering priorities go in increasing numerical value (with G_MAXUINT32
* being the lowest priority).
*/
void
ges_track_object_set_priority (GESTrackObject * object, guint32 priority)
{
if (ges_track_object_set_priority_internal (object, priority))
g_object_notify_by_pspec (G_OBJECT (object), properties[PROP_PRIORITY]);
}
gboolean
ges_track_object_set_priority_offset_internal (GESTrackObject * object,
guint32 priority_offset)
@ -640,6 +729,7 @@ ensure_gnl_object (GESTrackObject * object)
object->priv->gnlobject = gnlobject;
/* Connect to property notifications */
/* FIXME : remember the signalids so we can remove them later on !!! */
g_signal_connect (G_OBJECT (object->priv->gnlobject), "notify::start",
G_CALLBACK (gnlobject_start_cb), object);
g_signal_connect (G_OBJECT (object->priv->gnlobject), "notify::media-start",

11
ges/ges-track-object.h
View file

@ -154,13 +154,10 @@ GstElement * ges_track_object_get_element (GESTrackObject * object);
void ges_track_object_set_locked (GESTrackObject * object, gboolean locked);
gboolean ges_track_object_is_locked (GESTrackObject * object);
/* Private methods for GESTimelineObject's usage only */
gboolean ges_track_object_set_start_internal (GESTrackObject * object, guint64 start);
gboolean ges_track_object_set_inpoint_internal (GESTrackObject * object, guint64 inpoint);
gboolean ges_track_object_set_duration_internal (GESTrackObject * object, guint64 duration);
gboolean ges_track_object_set_priority_internal (GESTrackObject * object, guint32 priority);
gboolean ges_track_object_set_priority_offset_internal(GESTrackObject *
object, guint32 priority_offset);
void ges_track_object_set_start (GESTrackObject * object, guint64 start);
void ges_track_object_set_inpoint (GESTrackObject * object, guint64 inpoint);
void ges_track_object_set_duration (GESTrackObject * object, guint64 duration);
void ges_track_object_set_priority (GESTrackObject * object, guint32 priority);
guint32 ges_track_object_get_priority_offset (GESTrackObject *object);