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controller: cleanup the control-binding construction

Browse source 
This is now bindings firendly as _new is just a classic c convenience and all
the work is done in a constructor. As a side effect _new never fails.
Fix the tests.
This commit is contained in:
Stefan Sauer 2012-01-24 21:53:14 +01:00
parent fc1fab8a15
commit 660d9c071a
7 changed files with 642 additions and 367 deletions
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125
gst/gstcontrolbinding.c
View file

@ -42,12 +42,50 @@ GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "gstcontrolbinding", 0, \
"dynamic parameter control source attachment");
static GObject *gst_control_binding_constructor (GType type,
guint n_construct_params, GObjectConstructParam * construct_params);
static void gst_control_binding_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_control_binding_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_control_binding_dispose (GObject * object);
static void gst_control_binding_finalize (GObject * object);
G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GstControlBinding, gst_control_binding,
GST_TYPE_OBJECT, _do_init);
enum
{
PROP_0,
PROP_OBJECT,
PROP_NAME,
PROP_LAST
};
static GParamSpec *properties[PROP_LAST];
static void
gst_control_binding_class_init (GstControlBindingClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->constructor = gst_control_binding_constructor;
gobject_class->set_property = gst_control_binding_set_property;
gobject_class->get_property = gst_control_binding_get_property;
gobject_class->dispose = gst_control_binding_dispose;
gobject_class->finalize = gst_control_binding_finalize;
properties[PROP_OBJECT] =
g_param_spec_object ("object", "Object",
"The object of the property", GST_TYPE_OBJECT,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
properties[PROP_NAME] =
g_param_spec_string ("name", "Name", "The name of the property", NULL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (gobject_class, PROP_LAST, properties);
}
static void
@ -55,6 +93,93 @@ gst_control_binding_init (GstControlBinding * self)
{
}
static GObject *
gst_control_binding_constructor (GType type, guint n_construct_params,
GObjectConstructParam * construct_params)
{
GstControlBinding *self;
GParamSpec *pspec;
self = GST_CONTROL_BINDING (G_OBJECT_CLASS (gst_control_binding_parent_class)
->constructor (type, n_construct_params, construct_params));
GST_INFO_OBJECT (self->object, "trying to put property '%s' under control",
self->name);
/* check if the object has a property of that name */
if ((pspec =
g_object_class_find_property (G_OBJECT_GET_CLASS (self->object),
self->name))) {
GST_DEBUG_OBJECT (self->object, " psec->flags : 0x%08x", pspec->flags);
/* check if this param is witable && controlable && !construct-only */
if ((pspec->flags & (G_PARAM_WRITABLE | GST_PARAM_CONTROLLABLE |
G_PARAM_CONSTRUCT_ONLY)) ==
(G_PARAM_WRITABLE | GST_PARAM_CONTROLLABLE)) {
self->pspec = pspec;
}
} else {
GST_WARNING_OBJECT (self->object, "class '%s' has no property '%s'",
G_OBJECT_TYPE_NAME (self->object), self->name);
}
return (GObject *) self;
}
static void
gst_control_binding_dispose (GObject * object)
{
GstControlBinding *self = GST_CONTROL_BINDING (object);
if (self->object)
gst_object_replace (&self->object, NULL);
}
static void
gst_control_binding_finalize (GObject * object)
{
GstControlBinding *self = GST_CONTROL_BINDING (object);
g_free (self->name);
}
static void
gst_control_binding_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstControlBinding *self = GST_CONTROL_BINDING (object);
switch (prop_id) {
case PROP_OBJECT:
self->object = g_value_dup_object (value);
break;
case PROP_NAME:
self->name = g_value_dup_string (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_control_binding_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstControlBinding *self = GST_CONTROL_BINDING (object);
switch (prop_id) {
case PROP_OBJECT:
g_value_set_object (value, self->object);
break;
case PROP_NAME:
g_value_set_string (value, self->name);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
/* functions */
/**

4
gst/gstcontrolbinding.h
View file

@ -71,6 +71,8 @@ struct _GstControlBinding {
GParamSpec *pspec; /* GParamSpec for this property */
/*< private >*/
GstObject *object; /* GstObject owning the property
* (== parent when bound) */
gboolean disabled;
gpointer _gst_reserved[GST_PADDING];
@ -97,6 +99,8 @@ struct _GstControlBindingClass
gpointer _gst_reserved[GST_PADDING];
};
#define GST_CONTROL_BINDING_PSPEC(cb) (((GstControlBinding *) cb)->pspec)
GType gst_control_binding_get_type (void);
/* Functions */

172
libs/gst/controller/gstcontrolbindingargb.c
View file

@ -38,6 +38,12 @@
#define GST_CAT_DEFAULT control_binding_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
static GObject *gst_control_binding_argb_constructor (GType type,
guint n_construct_params, GObjectConstructParam * construct_params);
static void gst_control_binding_argb_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_control_binding_argb_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
static void gst_control_binding_argb_dispose (GObject * object);
static void gst_control_binding_argb_finalize (GObject * object);
@ -56,6 +62,20 @@ static gboolean gst_control_binding_argb_get_value_array (GstControlBinding *
G_DEFINE_TYPE_WITH_CODE (GstControlBindingARGB, gst_control_binding_argb,
GST_TYPE_CONTROL_BINDING, _do_init);
enum
{
PROP_0,
PROP_CS_A,
PROP_CS_R,
PROP_CS_G,
PROP_CS_B,
PROP_LAST
};
static GParamSpec *properties[PROP_LAST];
/* vmethods */
static void
gst_control_binding_argb_class_init (GstControlBindingARGBClass * klass)
{
@ -63,6 +83,9 @@ gst_control_binding_argb_class_init (GstControlBindingARGBClass * klass)
GstControlBindingClass *control_binding_class =
GST_CONTROL_BINDING_CLASS (klass);
gobject_class->constructor = gst_control_binding_argb_constructor;
gobject_class->set_property = gst_control_binding_argb_set_property;
gobject_class->get_property = gst_control_binding_argb_get_property;
gobject_class->dispose = gst_control_binding_argb_dispose;
gobject_class->finalize = gst_control_binding_argb_finalize;
@ -70,6 +93,32 @@ gst_control_binding_argb_class_init (GstControlBindingARGBClass * klass)
control_binding_class->get_value = gst_control_binding_argb_get_value;
control_binding_class->get_value_array =
gst_control_binding_argb_get_value_array;
properties[PROP_CS_A] =
g_param_spec_object ("control-source-a", "ControlSource A",
"The control source for the alpha color component",
GST_TYPE_CONTROL_SOURCE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
properties[PROP_CS_R] =
g_param_spec_object ("control-source-r", "ControlSource R",
"The control source for the red color component",
GST_TYPE_CONTROL_SOURCE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
properties[PROP_CS_G] =
g_param_spec_object ("control-source-g", "ControlSource G",
"The control source for the green color component",
GST_TYPE_CONTROL_SOURCE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
properties[PROP_CS_B] =
g_param_spec_object ("control-source-b", "ControlSource B",
"The control source for the blue color component",
GST_TYPE_CONTROL_SOURCE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (gobject_class, PROP_LAST, properties);
}
static void
@ -77,6 +126,80 @@ gst_control_binding_argb_init (GstControlBindingARGB * self)
{
}
static GObject *
gst_control_binding_argb_constructor (GType type, guint n_construct_params,
GObjectConstructParam * construct_params)
{
GstControlBindingARGB *self;
self =
GST_CONTROL_BINDING_ARGB (G_OBJECT_CLASS
(gst_control_binding_argb_parent_class)
->constructor (type, n_construct_params, construct_params));
if (GST_CONTROL_BINDING_PSPEC (self)) {
if (!(G_PARAM_SPEC_VALUE_TYPE (GST_CONTROL_BINDING_PSPEC (self)) ==
G_TYPE_UINT)) {
GST_WARNING ("can't bind to paramspec type '%s'",
G_PARAM_SPEC_TYPE_NAME (GST_CONTROL_BINDING_PSPEC (self)));
GST_CONTROL_BINDING_PSPEC (self) = NULL;
} else {
g_value_init (&self->cur_value, G_TYPE_UINT);
}
}
return (GObject *) self;
}
static void
gst_control_binding_argb_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstControlBindingARGB *self = GST_CONTROL_BINDING_ARGB (object);
switch (prop_id) {
case PROP_CS_A:
self->cs_a = g_value_get_object (value);
break;
case PROP_CS_R:
self->cs_r = g_value_get_object (value);
break;
case PROP_CS_G:
self->cs_r = g_value_get_object (value);
break;
case PROP_CS_B:
self->cs_g = g_value_get_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_control_binding_argb_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstControlBindingARGB *self = GST_CONTROL_BINDING_ARGB (object);
switch (prop_id) {
case PROP_CS_A:
g_value_set_object (value, self->cs_a);
break;
case PROP_CS_R:
g_value_set_object (value, self->cs_r);
break;
case PROP_CS_G:
g_value_set_object (value, self->cs_g);
break;
case PROP_CS_B:
g_value_set_object (value, self->cs_b);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_control_binding_argb_dispose (GObject * object)
{
@ -109,6 +232,7 @@ gst_control_binding_argb_sync_values (GstControlBinding * _self,
gboolean ret = TRUE;
g_return_val_if_fail (GST_IS_CONTROL_BINDING_ARGB (self), FALSE);
g_return_val_if_fail (GST_CONTROL_BINDING_PSPEC (self), FALSE);
GST_LOG_OBJECT (object, "property '%s' at ts=%" GST_TIME_FORMAT,
_self->name, GST_TIME_ARGS (timestamp));
@ -158,6 +282,7 @@ gst_control_binding_argb_get_value (GstControlBinding * _self,
g_return_val_if_fail (GST_IS_CONTROL_BINDING_ARGB (self), NULL);
g_return_val_if_fail (GST_CLOCK_TIME_IS_VALID (timestamp), NULL);
g_return_val_if_fail (GST_CONTROL_BINDING_PSPEC (self), FALSE);
/* get current value via control source */
if (self->cs_a)
@ -200,6 +325,7 @@ gst_control_binding_argb_get_value_array (GstControlBinding * _self,
g_return_val_if_fail (GST_CLOCK_TIME_IS_VALID (timestamp), FALSE);
g_return_val_if_fail (GST_CLOCK_TIME_IS_VALID (interval), FALSE);
g_return_val_if_fail (values, FALSE);
g_return_val_if_fail (GST_CONTROL_BINDING_PSPEC (self), FALSE);
if (self->cs_a) {
src_val_a = g_new0 (gdouble, n_values);
@ -250,7 +376,7 @@ gst_control_binding_argb_get_value_array (GstControlBinding * _self,
return ret;
}
/* mapping function */
/* functions */
/**
* gst_control_binding_argb_new:
@ -271,45 +397,11 @@ gst_control_binding_argb_new (GstObject * object, const gchar * property_name,
GstControlSource * cs_a, GstControlSource * cs_r, GstControlSource * cs_g,
GstControlSource * cs_b)
{
GstControlBindingARGB *self = NULL;
GParamSpec *pspec;
GST_INFO_OBJECT (object, "trying to put property '%s' under control",
property_name);
/* check if the object has a property of that name */
if ((pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (object),
property_name))) {
GST_DEBUG_OBJECT (object, " psec->flags : 0x%08x", pspec->flags);
/* check if this param is witable && controlable && !construct-only */
g_return_val_if_fail ((pspec->flags & (G_PARAM_WRITABLE |
GST_PARAM_CONTROLLABLE | G_PARAM_CONSTRUCT_ONLY)) ==
(G_PARAM_WRITABLE | GST_PARAM_CONTROLLABLE), NULL);
g_return_val_if_fail (G_PARAM_SPEC_VALUE_TYPE (pspec) == G_TYPE_UINT, NULL);
if ((self = (GstControlBindingARGB *)
g_object_newv (GST_TYPE_CONTROL_BINDING_ARGB, 0, NULL))) {
// move below to construct()
((GstControlBinding *) self)->pspec = pspec;
((GstControlBinding *) self)->name = pspec->name;
if (cs_a)
self->cs_a = gst_object_ref (cs_a);
if (cs_r)
self->cs_r = gst_object_ref (cs_r);
if (cs_g)
self->cs_g = gst_object_ref (cs_g);
if (cs_b)
self->cs_b = gst_object_ref (cs_b);
g_value_init (&self->cur_value, G_TYPE_UINT);
}
} else {
GST_WARNING_OBJECT (object, "class '%s' has no property '%s'",
G_OBJECT_TYPE_NAME (object), property_name);
}
return (GstControlBinding *) self;
return (GstControlBinding *) g_object_new (GST_TYPE_CONTROL_BINDING_ARGB,
"object", object, "name", property_name,
"control-source-a", cs_a,
"control-source-r", cs_r,
"control-source-g", cs_g, "control-source-b", cs_b, NULL);
}
/* functions */

504
libs/gst/controller/gstcontrolbindingdirect.c
View file

@ -37,6 +37,12 @@
#define GST_CAT_DEFAULT control_binding_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
static GObject *gst_control_binding_direct_constructor (GType type,
guint n_construct_params, GObjectConstructParam * construct_params);
static void gst_control_binding_direct_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_control_binding_direct_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
static void gst_control_binding_direct_dispose (GObject * object);
static void gst_control_binding_direct_finalize (GObject * object);
@ -55,148 +61,17 @@ static gboolean gst_control_binding_direct_get_value_array (GstControlBinding *
G_DEFINE_TYPE_WITH_CODE (GstControlBindingDirect, gst_control_binding_direct,
GST_TYPE_CONTROL_BINDING, _do_init);
static void
gst_control_binding_direct_class_init (GstControlBindingDirectClass * klass)
enum
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstControlBindingClass *control_binding_class =
GST_CONTROL_BINDING_CLASS (klass);
PROP_0,
PROP_CS,
PROP_LAST
};
gobject_class->dispose = gst_control_binding_direct_dispose;
gobject_class->finalize = gst_control_binding_direct_finalize;
control_binding_class->sync_values = gst_control_binding_direct_sync_values;
control_binding_class->get_value = gst_control_binding_direct_get_value;
control_binding_class->get_value_array =
gst_control_binding_direct_get_value_array;
}
static void
gst_control_binding_direct_init (GstControlBindingDirect * self)
{
}
static void
gst_control_binding_direct_dispose (GObject * object)
{
GstControlBindingDirect *self = GST_CONTROL_BINDING_DIRECT (object);
if (self->csource)
gst_object_replace ((GstObject **) & self->csource, NULL);
}
static void
gst_control_binding_direct_finalize (GObject * object)
{
GstControlBindingDirect *self = GST_CONTROL_BINDING_DIRECT (object);
g_value_unset (&self->cur_value);
}
static gboolean
gst_control_binding_direct_sync_values (GstControlBinding * _self,
GstObject * object, GstClockTime timestamp, GstClockTime last_sync)
{
GstControlBindingDirect *self = GST_CONTROL_BINDING_DIRECT (_self);
gdouble src_val;
gboolean ret;
g_return_val_if_fail (GST_IS_CONTROL_BINDING_DIRECT (self), FALSE);
GST_LOG_OBJECT (object, "property '%s' at ts=%" GST_TIME_FORMAT,
_self->name, GST_TIME_ARGS (timestamp));
ret = gst_control_source_get_value (self->csource, timestamp, &src_val);
if (G_LIKELY (ret)) {
GST_LOG_OBJECT (object, " new value %lf", src_val);
/* always set the value for first time, but then only if it changed
* this should limit g_object_notify invocations.
* FIXME: can we detect negative playback rates?
*/
if ((timestamp < last_sync) || (src_val != self->last_value)) {
GValue *dst_val = &self->cur_value;
GST_LOG_OBJECT (object, " mapping %s to value of type %s", _self->name,
G_VALUE_TYPE_NAME (dst_val));
/* run mapping function to convert gdouble to GValue */
self->convert (self, src_val, dst_val);
/* we can make this faster
* http://bugzilla.gnome.org/show_bug.cgi?id=536939
*/
g_object_set_property ((GObject *) object, _self->name, dst_val);
self->last_value = src_val;
}
} else {
GST_DEBUG_OBJECT (object, "no control value for param %s", _self->name);
}
return (ret);
}
static GValue *
gst_control_binding_direct_get_value (GstControlBinding * _self,
GstClockTime timestamp)
{
GstControlBindingDirect *self = GST_CONTROL_BINDING_DIRECT (_self);
GValue *dst_val = NULL;
gdouble src_val;
g_return_val_if_fail (GST_IS_CONTROL_BINDING_DIRECT (self), NULL);
g_return_val_if_fail (GST_CLOCK_TIME_IS_VALID (timestamp), NULL);
/* get current value via control source */
if (gst_control_source_get_value (self->csource, timestamp, &src_val)) {
dst_val = g_new0 (GValue, 1);
g_value_init (dst_val, G_PARAM_SPEC_VALUE_TYPE (_self->pspec));
self->convert (self, src_val, dst_val);
} else {
GST_LOG ("no control value for property %s at ts %" GST_TIME_FORMAT,
_self->name, GST_TIME_ARGS (timestamp));
}
return dst_val;
}
static gboolean
gst_control_binding_direct_get_value_array (GstControlBinding * _self,
GstClockTime timestamp, GstClockTime interval, guint n_values,
GValue * values)
{
GstControlBindingDirect *self = GST_CONTROL_BINDING_DIRECT (_self);
gint i;
gdouble *src_val;
gboolean res = FALSE;
GType type;
GstControlBindingDirectConvert convert;
g_return_val_if_fail (GST_IS_CONTROL_BINDING_DIRECT (self), FALSE);
g_return_val_if_fail (GST_CLOCK_TIME_IS_VALID (timestamp), FALSE);
g_return_val_if_fail (GST_CLOCK_TIME_IS_VALID (interval), FALSE);
g_return_val_if_fail (values, FALSE);
convert = self->convert;
type = G_PARAM_SPEC_VALUE_TYPE (_self->pspec);
src_val = g_new0 (gdouble, n_values);
if ((res = gst_control_source_get_value_array (self->csource, timestamp,
interval, n_values, src_val))) {
for (i = 0; i < n_values; i++) {
if (!isnan (src_val[i])) {
g_value_init (&values[i], type);
convert (self, src_val[i], &values[i]);
} else {
GST_LOG ("no control value for property %s at index %d", _self->name,
i);
}
}
} else {
GST_LOG ("failed to get control value for property %s at ts %"
GST_TIME_FORMAT, _self->name, GST_TIME_ARGS (timestamp));
}
g_free (src_val);
return res;
}
static GParamSpec *properties[PROP_LAST];
/* mapping functions */
#define DEFINE_CONVERT(type,Type,TYPE) \
static void \
convert_to_##type (GstControlBindingDirect *self, gdouble s, GValue *d) \
@ -238,6 +113,260 @@ convert_to_enum (GstControlBindingDirect * self, gdouble s, GValue * d)
g_value_set_enum (d, e->values[v].value);
}
/* vmethods */
static void
gst_control_binding_direct_class_init (GstControlBindingDirectClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstControlBindingClass *control_binding_class =
GST_CONTROL_BINDING_CLASS (klass);
gobject_class->constructor = gst_control_binding_direct_constructor;
gobject_class->set_property = gst_control_binding_direct_set_property;
gobject_class->get_property = gst_control_binding_direct_get_property;
gobject_class->dispose = gst_control_binding_direct_dispose;
gobject_class->finalize = gst_control_binding_direct_finalize;
control_binding_class->sync_values = gst_control_binding_direct_sync_values;
control_binding_class->get_value = gst_control_binding_direct_get_value;
control_binding_class->get_value_array =
gst_control_binding_direct_get_value_array;
properties[PROP_CS] =
g_param_spec_object ("control-source", "ControlSource",
"The control source",
GST_TYPE_CONTROL_SOURCE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (gobject_class, PROP_LAST, properties);
}
static void
gst_control_binding_direct_init (GstControlBindingDirect * self)
{
}
static GObject *
gst_control_binding_direct_constructor (GType type, guint n_construct_params,
GObjectConstructParam * construct_params)
{
GstControlBindingDirect *self;
self =
GST_CONTROL_BINDING_DIRECT (G_OBJECT_CLASS
(gst_control_binding_direct_parent_class)
->constructor (type, n_construct_params, construct_params));
if (GST_CONTROL_BINDING_PSPEC (self)) {
GType type, base;
base = type = G_PARAM_SPEC_VALUE_TYPE (GST_CONTROL_BINDING_PSPEC (self));
g_value_init (&self->cur_value, type);
while ((type = g_type_parent (type)))
base = type;
GST_DEBUG (" using type %s", g_type_name (base));
// select mapping function
switch (base) {
case G_TYPE_INT:
self->convert = convert_to_int;
break;
case G_TYPE_UINT:
self->convert = convert_to_uint;
break;
case G_TYPE_LONG:
self->convert = convert_to_long;
break;
case G_TYPE_ULONG:
self->convert = convert_to_ulong;
break;
case G_TYPE_INT64:
self->convert = convert_to_int64;
break;
case G_TYPE_UINT64:
self->convert = convert_to_uint64;
break;
case G_TYPE_FLOAT:
self->convert = convert_to_float;
break;
case G_TYPE_DOUBLE:
self->convert = convert_to_double;
break;
case G_TYPE_BOOLEAN:
self->convert = convert_to_boolean;
break;
case G_TYPE_ENUM:
self->convert = convert_to_enum;
break;
default:
GST_WARNING ("incomplete implementation for paramspec type '%s'",
G_PARAM_SPEC_TYPE_NAME (GST_CONTROL_BINDING_PSPEC (self)));
GST_CONTROL_BINDING_PSPEC (self) = NULL;
break;
}
}
return (GObject *) self;
}
static void
gst_control_binding_direct_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstControlBindingDirect *self = GST_CONTROL_BINDING_DIRECT (object);
switch (prop_id) {
case PROP_CS:
self->cs = g_value_get_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_control_binding_direct_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstControlBindingDirect *self = GST_CONTROL_BINDING_DIRECT (object);
switch (prop_id) {
case PROP_CS:
g_value_set_object (value, self->cs);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_control_binding_direct_dispose (GObject * object)
{
GstControlBindingDirect *self = GST_CONTROL_BINDING_DIRECT (object);
if (self->cs)
gst_object_replace ((GstObject **) & self->cs, NULL);
}
static void
gst_control_binding_direct_finalize (GObject * object)
{
GstControlBindingDirect *self = GST_CONTROL_BINDING_DIRECT (object);
g_value_unset (&self->cur_value);
}
static gboolean
gst_control_binding_direct_sync_values (GstControlBinding * _self,
GstObject * object, GstClockTime timestamp, GstClockTime last_sync)
{
GstControlBindingDirect *self = GST_CONTROL_BINDING_DIRECT (_self);
gdouble src_val;
gboolean ret;
g_return_val_if_fail (GST_IS_CONTROL_BINDING_DIRECT (self), FALSE);
g_return_val_if_fail (GST_CONTROL_BINDING_PSPEC (self), FALSE);
GST_LOG_OBJECT (object, "property '%s' at ts=%" GST_TIME_FORMAT,
_self->name, GST_TIME_ARGS (timestamp));
ret = gst_control_source_get_value (self->cs, timestamp, &src_val);
if (G_LIKELY (ret)) {
GST_LOG_OBJECT (object, " new value %lf", src_val);
/* always set the value for first time, but then only if it changed
* this should limit g_object_notify invocations.
* FIXME: can we detect negative playback rates?
*/
if ((timestamp < last_sync) || (src_val != self->last_value)) {
GValue *dst_val = &self->cur_value;
GST_LOG_OBJECT (object, " mapping %s to value of type %s", _self->name,
G_VALUE_TYPE_NAME (dst_val));
/* run mapping function to convert gdouble to GValue */
self->convert (self, src_val, dst_val);
/* we can make this faster
* http://bugzilla.gnome.org/show_bug.cgi?id=536939
*/
g_object_set_property ((GObject *) object, _self->name, dst_val);
self->last_value = src_val;
}
} else {
GST_DEBUG_OBJECT (object, "no control value for param %s", _self->name);
}
return (ret);
}
static GValue *
gst_control_binding_direct_get_value (GstControlBinding * _self,
GstClockTime timestamp)
{
GstControlBindingDirect *self = GST_CONTROL_BINDING_DIRECT (_self);
GValue *dst_val = NULL;
gdouble src_val;
g_return_val_if_fail (GST_IS_CONTROL_BINDING_DIRECT (self), NULL);
g_return_val_if_fail (GST_CLOCK_TIME_IS_VALID (timestamp), NULL);
g_return_val_if_fail (GST_CONTROL_BINDING_PSPEC (self), FALSE);
/* get current value via control source */
if (gst_control_source_get_value (self->cs, timestamp, &src_val)) {
dst_val = g_new0 (GValue, 1);
g_value_init (dst_val, G_PARAM_SPEC_VALUE_TYPE (_self->pspec));
self->convert (self, src_val, dst_val);
} else {
GST_LOG ("no control value for property %s at ts %" GST_TIME_FORMAT,
_self->name, GST_TIME_ARGS (timestamp));
}
return dst_val;
}
static gboolean
gst_control_binding_direct_get_value_array (GstControlBinding * _self,
GstClockTime timestamp, GstClockTime interval, guint n_values,
GValue * values)
{
GstControlBindingDirect *self = GST_CONTROL_BINDING_DIRECT (_self);
gint i;
gdouble *src_val;
gboolean res = FALSE;
GType type;
GstControlBindingDirectConvert convert;
g_return_val_if_fail (GST_IS_CONTROL_BINDING_DIRECT (self), FALSE);
g_return_val_if_fail (GST_CLOCK_TIME_IS_VALID (timestamp), FALSE);
g_return_val_if_fail (GST_CLOCK_TIME_IS_VALID (interval), FALSE);
g_return_val_if_fail (values, FALSE);
g_return_val_if_fail (GST_CONTROL_BINDING_PSPEC (self), FALSE);
convert = self->convert;
type = G_PARAM_SPEC_VALUE_TYPE (_self->pspec);
src_val = g_new0 (gdouble, n_values);
if ((res = gst_control_source_get_value_array (self->cs, timestamp,
interval, n_values, src_val))) {
for (i = 0; i < n_values; i++) {
if (!isnan (src_val[i])) {
g_value_init (&values[i], type);
convert (self, src_val[i], &values[i]);
} else {
GST_LOG ("no control value for property %s at index %d", _self->name,
i);
}
}
} else {
GST_LOG ("failed to get control value for property %s at ts %"
GST_TIME_FORMAT, _self->name, GST_TIME_ARGS (timestamp));
}
g_free (src_val);
return res;
}
/* functions */
/**
* gst_control_binding_direct_new:
* @object: the object of the property
@ -251,101 +380,8 @@ convert_to_enum (GstControlBindingDirect * self, gdouble s, GValue * d)
*/
GstControlBinding *
gst_control_binding_direct_new (GstObject * object, const gchar * property_name,
GstControlSource * csource)
GstControlSource * cs)
{
GstControlBindingDirect *self = NULL;
GParamSpec *pspec;
GST_INFO_OBJECT (object, "trying to put property '%s' under control",
property_name);
/* check if the object has a property of that name */
if ((pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (object),
property_name))) {
GST_DEBUG_OBJECT (object, " psec->flags : 0x%08x", pspec->flags);
/* check if this param is witable && controlable && !construct-only */
g_return_val_if_fail ((pspec->flags & (G_PARAM_WRITABLE |
GST_PARAM_CONTROLLABLE | G_PARAM_CONSTRUCT_ONLY)) ==
(G_PARAM_WRITABLE | GST_PARAM_CONTROLLABLE), NULL);
if ((self = (GstControlBindingDirect *)
g_object_newv (GST_TYPE_CONTROL_BINDING_DIRECT, 0, NULL))) {
GType type = G_PARAM_SPEC_VALUE_TYPE (pspec), base;
// add pspec as a construction parameter and move below to construct()
((GstControlBinding *) self)->pspec = pspec;
((GstControlBinding *) self)->name = pspec->name;
self->csource = gst_object_ref (csource);
g_value_init (&self->cur_value, type);
base = type = G_PARAM_SPEC_VALUE_TYPE (pspec);
while ((type = g_type_parent (type)))
base = type;
GST_DEBUG_OBJECT (object, " using type %s", g_type_name (base));
// select mapping function
// FIXME: only select mapping if super class hasn't set any?
switch (base) {
case G_TYPE_INT:
self->convert = convert_to_int;
break;
case G_TYPE_UINT:
self->convert = convert_to_uint;
break;
case G_TYPE_LONG:
self->convert = convert_to_long;
break;
case G_TYPE_ULONG:
self->convert = convert_to_ulong;
break;
case G_TYPE_INT64:
self->convert = convert_to_int64;
break;
case G_TYPE_UINT64:
self->convert = convert_to_uint64;
break;
case G_TYPE_FLOAT:
self->convert = convert_to_float;
break;
case G_TYPE_DOUBLE:
self->convert = convert_to_double;
break;
case G_TYPE_BOOLEAN:
self->convert = convert_to_boolean;
break;
case G_TYPE_ENUM:
self->convert = convert_to_enum;
break;
default:
// FIXME: return NULL?
GST_WARNING ("incomplete implementation for paramspec type '%s'",
G_PARAM_SPEC_TYPE_NAME (pspec));
break;
}
}
} else {
GST_WARNING_OBJECT (object, "class '%s' has no property '%s'",
G_OBJECT_TYPE_NAME (object), property_name);
}
return (GstControlBinding *) self;
}
/* functions */
/**
* gst_control_binding_direct_get_control_source:
* @self: the control binding
*
* Get the control source.
*
* Returns: the control source. Unref when done with it.
*/
GstControlSource *
gst_control_binding_direct_get_control_source (GstControlBindingDirect * self)
{
g_return_val_if_fail (GST_IS_CONTROL_BINDING_DIRECT (self), NULL);
return g_object_ref (self->csource);
return (GstControlBinding *) g_object_new (GST_TYPE_CONTROL_BINDING_DIRECT,
"object", object, "name", property_name, "control-source", cs, NULL);
}

7
libs/gst/controller/gstcontrolbindingdirect.h
View file

@ -67,7 +67,7 @@ struct _GstControlBindingDirect {
GstControlBinding parent;
/*< private >*/
GstControlSource *csource; /* GstControlSource for this property */
GstControlSource *cs; /* GstControlSource for this property */
GValue cur_value;
gdouble last_value;
@ -97,10 +97,7 @@ GType gst_control_binding_direct_get_type (void);
/* Functions */
GstControlBinding * gst_control_binding_direct_new (GstObject * object, const gchar * property_name,
GstControlSource * csource);
GstControlSource * gst_control_binding_direct_get_control_source (GstControlBindingDirect * self);
GstControlSource * cs);
G_END_DECLS
#endif /* __GST_CONTROL_BINDING_DIRECT_H__ */

193
tests/check/gst/gstcontroller.c
View file

@ -261,7 +261,6 @@ gst_test_control_source_get_value_array (GstTestControlSource * self,
return TRUE;
}
static void
gst_test_control_source_init (GstTestControlSource * self)
{
@ -300,7 +299,78 @@ gst_test_control_source_get_type (void)
return test_countrol_source_type;
}
/* test control binding */
#define GST_TYPE_TEST_CONTROL_BINDING (gst_test_control_binding_get_type ())
#define GST_TEST_CONTROL_BINDING(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_TEST_CONTROL_BINDING, GstTestControlBinding))
#define GST_TEST_CONTROL_BINDING_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_TEST_CONTROL_BINDING, GstTestControlBindingClass))
#define GST_IS_TEST_CONTROL_BINDING(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_TEST_CONTROL_BINDING))
#define GST_IS_TEST_CONTROL_BINDING_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_TEST_CONTROL_BINDING))
#define GST_TEST_CONTROL_BINDING_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_TEST_CONTROL_BINDING, GstTestControlBindingClass))
typedef struct _GstTestControlBinding GstTestControlBinding;
typedef struct _GstTestControlBindingClass GstTestControlBindingClass;
struct _GstTestControlBinding
{
GstControlBinding parent;
GstControlSource *cs;
};
struct _GstTestControlBindingClass
{
GstControlBindingClass parent_class;
};
static GType gst_test_control_binding_get_type (void);
static GstControlBinding *
gst_test_control_binding_new (GstObject * object, const gchar * property_name,
GstControlSource * cs)
{
GstTestControlBinding *self;
self = (GstTestControlBinding *) g_object_new (GST_TYPE_TEST_CONTROL_BINDING,
"object", object, "name", property_name, NULL);
self->cs = gst_object_ref (cs);
return (GstControlBinding *) self;
}
static GstControlSource *
gst_test_control_binding_get_control_source (GstTestControlBinding * self)
{
g_return_val_if_fail (GST_IS_TEST_CONTROL_BINDING (self), NULL);
return self->cs ? gst_object_ref (self->cs) : NULL;
}
static GType
gst_test_control_binding_get_type (void)
{
static volatile gsize test_countrol_source_type = 0;
if (g_once_init_enter (&test_countrol_source_type)) {
GType type;
static const GTypeInfo info = {
(guint16) sizeof (GstTestControlBindingClass),
NULL, // base_init
NULL, // base_finalize
NULL, // class_init
NULL, // class_finalize
NULL, // class_data
(guint16) sizeof (GstTestControlBinding),
0, // n_preallocs
NULL, // instance_init
NULL // value_table
};
type =
g_type_register_static (GST_TYPE_CONTROL_BINDING,
"GstTestControlBinding", &info, 0);
g_once_init_leave (&test_countrol_source_type, type);
}
return test_countrol_source_type;
}
static void
@ -324,14 +394,15 @@ GST_START_TEST (controller_new_fail1)
GstTestControlSource *cs;
GstControlBinding *cb;
elem = gst_element_factory_make ("fakesrc", NULL);
elem = gst_element_factory_make ("testobj", NULL);
cs = gst_test_control_source_new ();
/* that property should not exist */
cb = gst_control_binding_direct_new (GST_OBJECT (elem), "_schrompf_",
cb = gst_test_control_binding_new (GST_OBJECT (elem), "_schrompf_",
GST_CONTROL_SOURCE (cs));
fail_unless (cb == NULL, NULL);
fail_unless (GST_CONTROL_BINDING_PSPEC (cb) == NULL, NULL);
gst_object_unref (cb);
gst_object_unref (cs);
gst_object_unref (elem);
}
@ -349,10 +420,11 @@ GST_START_TEST (controller_new_fail2)
cs = gst_test_control_source_new ();
/* that property should exist and but is readonly */
ASSERT_CRITICAL (cb = gst_control_binding_direct_new (GST_OBJECT (elem),
"readonly", GST_CONTROL_SOURCE (cs)));
fail_unless (cb == NULL, NULL);
cb = gst_test_control_binding_new (GST_OBJECT (elem), "readonly",
GST_CONTROL_SOURCE (cs));
fail_unless (GST_CONTROL_BINDING_PSPEC (cb) == NULL, NULL);
gst_object_unref (cb);
gst_object_unref (cs);
gst_object_unref (elem);
}
@ -370,10 +442,11 @@ GST_START_TEST (controller_new_fail3)
cs = gst_test_control_source_new ();
/* that property should exist and but is not controlable */
ASSERT_CRITICAL (cb = gst_control_binding_direct_new (GST_OBJECT (elem),
"static", GST_CONTROL_SOURCE (cs)));
fail_unless (cb == NULL, NULL);
cb = gst_test_control_binding_new (GST_OBJECT (elem), "static",
GST_CONTROL_SOURCE (cs));
fail_unless (GST_CONTROL_BINDING_PSPEC (cb) == NULL, NULL);
gst_object_unref (cb);
gst_object_unref (cs);
gst_object_unref (elem);
}
@ -391,11 +464,11 @@ GST_START_TEST (controller_new_fail4)
cs = gst_test_control_source_new ();
/* that property should exist and but is construct-only */
ASSERT_CRITICAL (cb =
gst_control_binding_direct_new (GST_OBJECT (elem), "construct-only",
GST_CONTROL_SOURCE (cs)));
fail_unless (cb == NULL, NULL);
cb = gst_test_control_binding_new (GST_OBJECT (elem), "construct-only",
GST_CONTROL_SOURCE (cs));
fail_unless (GST_CONTROL_BINDING_PSPEC (cb) == NULL, NULL);
gst_object_unref (cb);
gst_object_unref (cs);
gst_object_unref (elem);
}
@ -414,9 +487,9 @@ GST_START_TEST (controller_new_okay1)
cs = gst_test_control_source_new ();
/* that property should exist and should be controllable */
cb = gst_control_binding_direct_new (GST_OBJECT (elem), "int",
cb = gst_test_control_binding_new (GST_OBJECT (elem), "int",
GST_CONTROL_SOURCE (cs));
fail_unless (cb != NULL, NULL);
fail_unless (GST_CONTROL_BINDING_PSPEC (cb) != NULL, NULL);
gst_object_unref (cb);
gst_object_unref (cs);
@ -437,13 +510,13 @@ GST_START_TEST (controller_new_okay2)
cs2 = gst_test_control_source_new ();
/* these properties should exist and should be controllable */
cb1 = gst_control_binding_direct_new (GST_OBJECT (elem), "int",
cb1 = gst_test_control_binding_new (GST_OBJECT (elem), "int",
GST_CONTROL_SOURCE (cs1));
fail_unless (cb1 != NULL, NULL);
fail_unless (GST_CONTROL_BINDING_PSPEC (cb1) != NULL, NULL);
cb2 = gst_control_binding_direct_new (GST_OBJECT (elem), "boolean",
cb2 = gst_test_control_binding_new (GST_OBJECT (elem), "boolean",
GST_CONTROL_SOURCE (cs2));
fail_unless (cb2 != NULL, NULL);
fail_unless (GST_CONTROL_BINDING_PSPEC (cb2) != NULL, NULL);
gst_object_unref (cb1);
gst_object_unref (cb2);
@ -466,9 +539,9 @@ GST_START_TEST (controller_param_twice)
cs = gst_test_control_source_new ();
/* that property should exist and should be controllable */
cb = gst_control_binding_direct_new (GST_OBJECT (elem), "int",
cb = gst_test_control_binding_new (GST_OBJECT (elem), "int",
GST_CONTROL_SOURCE (cs));
fail_unless (cb != NULL, NULL);
fail_unless (GST_CONTROL_BINDING_PSPEC (cb) != NULL, NULL);
cb = gst_object_ref (cb);
res = gst_object_add_control_binding (GST_OBJECT (elem), cb);
@ -527,15 +600,17 @@ GST_START_TEST (controller_controlsource_refcounts)
fail_unless_equals_int (G_OBJECT (cs)->ref_count, 1);
cb = gst_control_binding_direct_new (GST_OBJECT (elem), "int", cs);
fail_unless (cb != NULL, NULL);
cb = gst_test_control_binding_new (GST_OBJECT (elem), "int", cs);
fail_unless (GST_CONTROL_BINDING_PSPEC (cb) != NULL, NULL);
fail_unless_equals_int (G_OBJECT (cs)->ref_count, 2);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem), cb));
test_cb = gst_object_get_control_binding (GST_OBJECT (elem), "int");
fail_unless (test_cb != NULL, NULL);
test_cs = gst_control_binding_get_control_source (cb);
test_cs =
gst_test_control_binding_get_control_source (GST_TEST_CONTROL_BINDING
(test_cb));
fail_unless (test_cs != NULL, NULL);
fail_unless (test_cs == cs);
fail_unless_equals_int (G_OBJECT (cs)->ref_count, 3);
@ -548,7 +623,7 @@ GST_START_TEST (controller_controlsource_refcounts)
GST_END_TEST;
/* tests if we can bnd a control source twice */
/* tests if we can bind a control source twice */
GST_START_TEST (controller_bind_twice)
{
GstElement *elem;
@ -560,10 +635,10 @@ GST_START_TEST (controller_bind_twice)
cs = (GstControlSource *) gst_test_control_source_new ();
fail_unless (cs != NULL, NULL);
cb1 = gst_control_binding_direct_new (GST_OBJECT (elem), "int", cs);
fail_unless (cb1 != NULL, NULL);
cb2 = gst_control_binding_direct_new (GST_OBJECT (elem), "double", cs);
fail_unless (cb2 != NULL, NULL);
cb1 = gst_test_control_binding_new (GST_OBJECT (elem), "int", cs);
fail_unless (GST_CONTROL_BINDING_PSPEC (cb1) != NULL, NULL);
cb2 = gst_test_control_binding_new (GST_OBJECT (elem), "double", cs);
fail_unless (GST_CONTROL_BINDING_PSPEC (cb2) != NULL, NULL);
gst_object_unref (cb1);
gst_object_unref (cb2);
@ -573,62 +648,6 @@ GST_START_TEST (controller_bind_twice)
GST_END_TEST;
/* tests synching a value */
GST_START_TEST (controller_sync1)
{
GstElement *elem;
GstTestControlSource *csource;
elem = gst_element_factory_make ("testobj", NULL);
csource = gst_test_control_source_new ();
fail_unless (csource != NULL, NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_direct_new (GST_OBJECT (elem), "int",
(GstControlSource *) csource)));
csource->value = 0.5;
fail_unless (gst_object_sync_values (GST_OBJECT (elem), 0LL));
fail_unless_equals_int (GST_TEST_OBJ (elem)->val_int, 50);
gst_object_unref (csource);
gst_object_unref (elem);
}
GST_END_TEST;
/* tests synching a value */
GST_START_TEST (controller_sync2)
{
GstElement *elem;
GstTestControlSource *csource;
elem = gst_element_factory_make ("testobj", NULL);
csource = gst_test_control_source_new ();
fail_unless (csource != NULL, NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_direct_new (GST_OBJECT (elem), "int",
(GstControlSource *) csource)));
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_direct_new (GST_OBJECT (elem), "double",
(GstControlSource *) csource)));
csource->value = 0.5;
fail_unless (gst_object_sync_values (GST_OBJECT (elem), 0LL));
fail_unless_equals_int (GST_TEST_OBJ (elem)->val_int, 50);
fail_unless_equals_float (GST_TEST_OBJ (elem)->val_double, 50.0);
gst_object_unref (csource);
gst_object_unref (elem);
}
GST_END_TEST;
static Suite *
gst_controller_suite (void)
@ -648,8 +667,6 @@ gst_controller_suite (void)
tcase_add_test (tc, controller_any_gobject);
tcase_add_test (tc, controller_controlsource_refcounts);
tcase_add_test (tc, controller_bind_twice);
tcase_add_test (tc, controller_sync1);
tcase_add_test (tc, controller_sync2);
return s;
}

4
win32/common/libgstcontroller.def
View file

@ -1,4 +1,8 @@
EXPORTS
gst_control_binding_argb_get_type
gst_control_binding_argb_new
gst_control_binding_direct_get_type
gst_control_binding_direct_new
gst_interpolation_control_source_get_type
gst_interpolation_control_source_new
gst_interpolation_mode_get_type