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gstreamer/tests/examples/controller/control-sources.c

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controller: move GValue handling from control-sources to -binding ControlSources are now gdouble based. A control source is mapped to a particullar GObject property using a ControlBinding.
2011-12-22 22:48:30 +00:00
/*
* control-sources.c
*
* Generates a datafile for various control sources.
*
* Needs gnuplot for plotting.
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* plot "ctrl_i1.dat" using 1:2 with points title 'none', "" using 1:3 with points title 'linear', "" using 1:4 with points title 'cubic', "ctrl_i2.dat" using 1:2 with lines title 'none', "" using 1:3 with lines title 'linear', "" using 1:4 with lines title 'cubic'
audio-example: also plot reverse-saw
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* plot "ctrl_l1.dat" using 1:2 with points title 'sine', "" using 1:3 with points title 'square', "" using 1:4 with points title 'saw', "" using 1:5 with points title 'revsaw', "" using 1:6 with points title 'triangle', "ctrl_l2.dat" using 1:2 with lines title 'sine', "" using 1:3 with lines title 'square', "" using 1:4 with lines title 'saw', "" using 1:5 with lines title 'revsaw', "" using 1:6 with lines title 'triangle'
lfocontrolsource: make chainable Now the properties of this controlsource are in turn controlable. Add an example to show the usage.
2012-01-01 14:16:06 +00:00
* plot "ctrl_cl1.dat" using 1:2 with points title 'sine', "ctrl_cl2.dat" using 1:2 with lines title 'sine'
controller: move GValue handling from control-sources to -binding ControlSources are now gdouble based. A control source is mapped to a particullar GObject property using a ControlBinding.
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*/
#include <stdio.h>
#include <stdlib.h>
#include <gst/gst.h>
#include <gst/controller/gstinterpolationcontrolsource.h>
#include <gst/controller/gstlfocontrolsource.h>
controller: rename control-bindings gst_control_binding_xxx -> gst_xxx_control_binding for consistency.
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#include <gst/controller/gstdirectcontrolbinding.h>
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/* local test element */
enum
{
PROP_INT = 1,
PROP_FLOAT,
PROP_DOUBLE,
PROP_BOOLEAN,
PROP_COUNT
};
#define GST_TYPE_TEST_OBJ (gst_test_obj_get_type ())
#define GST_TEST_OBJ(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_TEST_OBJ, GstTestObj))
#define GST_TEST_OBJ_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_TEST_OBJ, GstTestObjClass))
#define GST_IS_TEST_OBJ(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_TEST_OBJ))
#define GST_IS_TEST_OBJ_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_TEST_OBJ))
#define GST_TEST_OBJ_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_TEST_OBJ, GstTestObjClass))
typedef struct _GstTestObj GstTestObj;
typedef struct _GstTestObjClass GstTestObjClass;
struct _GstTestObj
{
GstElement parent;
gint val_int;
gfloat val_float;
gdouble val_double;
gboolean val_boolean;
};
struct _GstTestObjClass
{
GstElementClass parent_class;
};
static GType gst_test_obj_get_type (void);
static void
gst_test_obj_get_property (GObject * object,
guint property_id, GValue * value, GParamSpec * pspec)
{
GstTestObj *self = GST_TEST_OBJ (object);
switch (property_id) {
case PROP_INT:
g_value_set_int (value, self->val_int);
break;
case PROP_FLOAT:
g_value_set_float (value, self->val_float);
break;
case PROP_DOUBLE:
g_value_set_double (value, self->val_double);
break;
case PROP_BOOLEAN:
g_value_set_boolean (value, self->val_boolean);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gst_test_obj_set_property (GObject * object,
guint property_id, const GValue * value, GParamSpec * pspec)
{
GstTestObj *self = GST_TEST_OBJ (object);
switch (property_id) {
case PROP_INT:
self->val_int = g_value_get_int (value);
GST_DEBUG ("test value int=%d", self->val_int);
break;
case PROP_FLOAT:
self->val_float = g_value_get_float (value);
GST_DEBUG ("test value float=%f", self->val_float);
break;
case PROP_DOUBLE:
self->val_double = g_value_get_double (value);
GST_DEBUG ("test value double=%f", self->val_double);
break;
case PROP_BOOLEAN:
self->val_boolean = g_value_get_boolean (value);
GST_DEBUG ("test value boolean=%d", self->val_boolean);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gst_test_obj_class_init (GstTestObjClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->set_property = gst_test_obj_set_property;
gobject_class->get_property = gst_test_obj_get_property;
g_object_class_install_property (gobject_class, PROP_INT,
g_param_spec_int ("int",
"int prop",
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"int number parameter",
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0, 100, 0, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, PROP_FLOAT,
g_param_spec_float ("float",
"float prop",
controller: remove nonsense parts from test object property descriptions
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"float number parameter",
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0.0, 100.0, 0.0, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, PROP_DOUBLE,
g_param_spec_double ("double",
"double prop",
controller: remove nonsense parts from test object property descriptions
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"double number parameter",
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0.0, 100.0, 0.0, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, PROP_BOOLEAN,
g_param_spec_boolean ("boolean",
"boolean prop",
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"boolean parameter",
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FALSE, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
}
static void
gst_test_obj_base_init (GstTestObjClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
replace gst_element_class_set_details_simple with gst_element_class_set_metadata
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gst_element_class_set_metadata (element_class,
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"test object for unit tests",
"Test", "Use in unit tests", "Stefan Sauer <ensonic@users.sf.net>");
}
static GType
gst_test_obj_get_type (void)
{
static volatile gsize TEST_OBJ_type = 0;
if (g_once_init_enter (&TEST_OBJ_type)) {
GType type;
static const GTypeInfo info = {
(guint16) sizeof (GstTestObjClass),
(GBaseInitFunc) gst_test_obj_base_init, // base_init
NULL, // base_finalize
(GClassInitFunc) gst_test_obj_class_init, // class_init
NULL, // class_finalize
NULL, // class_data
(guint16) sizeof (GstTestObj),
0, // n_preallocs
NULL, // instance_init
NULL // value_table
};
type = g_type_register_static (GST_TYPE_ELEMENT, "GstTestObj", &info, 0);
g_once_init_leave (&TEST_OBJ_type, type);
}
return TEST_OBJ_type;
}
static void
test_interpolation (void)
{
GstObject *e;
GstTimedValueControlSource *tvcs;
GstControlSource *cs;
gint t, i1, i2, i3;
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GValue *v1, *v2, *v3;
gint n_values;
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FILE *f;
e = (GstObject *) gst_element_factory_make ("testobj", NULL);
controller: constructures for control sources return GstControlSource Don't return the specific types. In most cases there is no specific api there anyway.
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cs = gst_interpolation_control_source_new ();
tvcs = (GstTimedValueControlSource *) cs;
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controller: rename control-bindings gst_control_binding_xxx -> gst_xxx_control_binding for consistency.
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gst_object_add_control_binding (e, gst_direct_control_binding_new (e, "int",
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cs));
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gst_timed_value_control_source_set (tvcs, 0 * GST_SECOND, 0.0);
gst_timed_value_control_source_set (tvcs, 10 * GST_SECOND, 1.0);
gst_timed_value_control_source_set (tvcs, 20 * GST_SECOND, 0.5);
gst_timed_value_control_source_set (tvcs, 30 * GST_SECOND, 0.2);
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/* test single values */
if (!(f = fopen ("ctrl_i1.dat", "w")))
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exit (-1);
fprintf (f, "# Time None Linear Cubic\n");
for (t = 0; t < 40; t++) {
controller: constructures for control sources return GstControlSource Don't return the specific types. In most cases there is no specific api there anyway.
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g_object_set (cs, "mode", GST_INTERPOLATION_MODE_NONE, NULL);
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gst_object_sync_values (e, t * GST_SECOND);
i1 = GST_TEST_OBJ (e)->val_int;
controller: constructures for control sources return GstControlSource Don't return the specific types. In most cases there is no specific api there anyway.
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g_object_set (cs, "mode", GST_INTERPOLATION_MODE_LINEAR, NULL);
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gst_object_sync_values (e, t * GST_SECOND);
i2 = GST_TEST_OBJ (e)->val_int;
controller: constructures for control sources return GstControlSource Don't return the specific types. In most cases there is no specific api there anyway.
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g_object_set (cs, "mode", GST_INTERPOLATION_MODE_CUBIC, NULL);
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gst_object_sync_values (e, t * GST_SECOND);
i3 = GST_TEST_OBJ (e)->val_int;
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fprintf (f, "%4.1f %d %d %d\n", (gfloat) t, i1, i2, i3);
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}
fclose (f);
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/* test value arrays */
if (!(f = fopen ("ctrl_i2.dat", "w")))
exit (-1);
fprintf (f, "# Time None Linear Cubic\n");
n_values = 40 * 10;
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g_object_set (cs, "mode", GST_INTERPOLATION_MODE_NONE, NULL);
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v1 = g_new0 (GValue, n_values);
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gst_object_get_g_value_array (e, "int", 0, GST_SECOND / 10, n_values, v1);
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controller: constructures for control sources return GstControlSource Don't return the specific types. In most cases there is no specific api there anyway.
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g_object_set (cs, "mode", GST_INTERPOLATION_MODE_LINEAR, NULL);
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v2 = g_new0 (GValue, n_values);
controller: expand the api to offer functions for plain and GValue arrays Rename the _get_value_array() functions to _get_g_value_array() and reintroduce the former to operate on plain unboxed c datatypes (like in 0.10). The _g_value variants are for bindings while the _value ones are more suited to processing in elements.
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gst_object_get_g_value_array (e, "int", 0, GST_SECOND / 10, n_values, v2);
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controller: constructures for control sources return GstControlSource Don't return the specific types. In most cases there is no specific api there anyway.
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g_object_set (cs, "mode", GST_INTERPOLATION_MODE_CUBIC, NULL);
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v3 = g_new0 (GValue, n_values);
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gst_object_get_g_value_array (e, "int", 0, GST_SECOND / 10, n_values, v3);
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for (t = 0; t < n_values; t++) {
i1 = g_value_get_int (&v1[t]);
i2 = g_value_get_int (&v2[t]);
i3 = g_value_get_int (&v3[t]);
fprintf (f, "%4.1f %d %d %d\n", (gfloat) t / 10.0, i1, i2, i3);
g_value_unset (&v1[t]);
g_value_unset (&v2[t]);
g_value_unset (&v3[t]);
}
g_free (v1);
g_free (v2);
g_free (v3);
fclose (f);
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gst_object_unref (cs);
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gst_object_unref (e);
}
static void
test_lfo (void)
{
GstObject *e;
GstControlSource *cs;
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gint t, i1, i2, i3, i4, i5;
GValue *v1, *v2, *v3, *v4, *v5;
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gint n_values;
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FILE *f;
e = (GstObject *) gst_element_factory_make ("testobj", NULL);
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cs = gst_lfo_control_source_new ();
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controller: rename control-bindings gst_control_binding_xxx -> gst_xxx_control_binding for consistency.
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gst_object_add_control_binding (e, gst_direct_control_binding_new (e, "int",
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cs));
controller: move GValue handling from control-sources to -binding ControlSources are now gdouble based. A control source is mapped to a particullar GObject property using a ControlBinding.
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controller: constructures for control sources return GstControlSource Don't return the specific types. In most cases there is no specific api there anyway.
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g_object_set (cs,
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"frequency", (gdouble) 0.05,
"timeshift", (GstClockTime) 0,
"amplitude", (gdouble) 0.5, "offset", (gdouble) 0.5, NULL);
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/* test single values */
if (!(f = fopen ("ctrl_l1.dat", "w")))
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exit (-1);
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fprintf (f, "# Time Sine Square Saw RevSaw Triangle\n");
controller: move GValue handling from control-sources to -binding ControlSources are now gdouble based. A control source is mapped to a particullar GObject property using a ControlBinding.
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for (t = 0; t < 40; t++) {
controller: constructures for control sources return GstControlSource Don't return the specific types. In most cases there is no specific api there anyway.
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g_object_set (cs, "waveform", GST_LFO_WAVEFORM_SINE, NULL);
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gst_object_sync_values (e, t * GST_SECOND);
i1 = GST_TEST_OBJ (e)->val_int;
controller: constructures for control sources return GstControlSource Don't return the specific types. In most cases there is no specific api there anyway.
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g_object_set (cs, "waveform", GST_LFO_WAVEFORM_SQUARE, NULL);
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gst_object_sync_values (e, t * GST_SECOND);
i2 = GST_TEST_OBJ (e)->val_int;
controller: constructures for control sources return GstControlSource Don't return the specific types. In most cases there is no specific api there anyway.
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g_object_set (cs, "waveform", GST_LFO_WAVEFORM_SAW, NULL);
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gst_object_sync_values (e, t * GST_SECOND);
i3 = GST_TEST_OBJ (e)->val_int;
controller: constructures for control sources return GstControlSource Don't return the specific types. In most cases there is no specific api there anyway.
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g_object_set (cs, "waveform", GST_LFO_WAVEFORM_REVERSE_SAW, NULL);
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gst_object_sync_values (e, t * GST_SECOND);
i4 = GST_TEST_OBJ (e)->val_int;
controller: constructures for control sources return GstControlSource Don't return the specific types. In most cases there is no specific api there anyway.
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g_object_set (cs, "waveform", GST_LFO_WAVEFORM_TRIANGLE, NULL);
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gst_object_sync_values (e, t * GST_SECOND);
i5 = GST_TEST_OBJ (e)->val_int;
fprintf (f, "%4.1f %d %d %d %d %d\n", (gfloat) t, i1, i2, i3, i4, i5);
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}
fclose (f);
/* test value arrays */
if (!(f = fopen ("ctrl_l2.dat", "w")))
exit (-1);
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fprintf (f, "# Time Sine Square Saw RevSaw Triangle\n");
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n_values = 40 * 10;
controller: constructures for control sources return GstControlSource Don't return the specific types. In most cases there is no specific api there anyway.
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g_object_set (cs, "waveform", GST_LFO_WAVEFORM_SINE, NULL);
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v1 = g_new0 (GValue, n_values);
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gst_object_get_g_value_array (e, "int", 0, GST_SECOND / 10, n_values, v1);
controller: also test array functions Improve the example to also collect value arrays and plot them.
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controller: constructures for control sources return GstControlSource Don't return the specific types. In most cases there is no specific api there anyway.
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g_object_set (cs, "waveform", GST_LFO_WAVEFORM_SQUARE, NULL);
controller: also test array functions Improve the example to also collect value arrays and plot them.
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v2 = g_new0 (GValue, n_values);
controller: expand the api to offer functions for plain and GValue arrays Rename the _get_value_array() functions to _get_g_value_array() and reintroduce the former to operate on plain unboxed c datatypes (like in 0.10). The _g_value variants are for bindings while the _value ones are more suited to processing in elements.
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gst_object_get_g_value_array (e, "int", 0, GST_SECOND / 10, n_values, v2);
controller: also test array functions Improve the example to also collect value arrays and plot them.
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controller: constructures for control sources return GstControlSource Don't return the specific types. In most cases there is no specific api there anyway.
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g_object_set (cs, "waveform", GST_LFO_WAVEFORM_SAW, NULL);
controller: also test array functions Improve the example to also collect value arrays and plot them.
2011-12-31 14:52:18 +00:00
v3 = g_new0 (GValue, n_values);
controller: expand the api to offer functions for plain and GValue arrays Rename the _get_value_array() functions to _get_g_value_array() and reintroduce the former to operate on plain unboxed c datatypes (like in 0.10). The _g_value variants are for bindings while the _value ones are more suited to processing in elements.
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gst_object_get_g_value_array (e, "int", 0, GST_SECOND / 10, n_values, v3);
controller: also test array functions Improve the example to also collect value arrays and plot them.
2011-12-31 14:52:18 +00:00
controller: constructures for control sources return GstControlSource Don't return the specific types. In most cases there is no specific api there anyway.
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g_object_set (cs, "waveform", GST_LFO_WAVEFORM_REVERSE_SAW, NULL);
controller: also test array functions Improve the example to also collect value arrays and plot them.
2011-12-31 14:52:18 +00:00
v4 = g_new0 (GValue, n_values);
controller: expand the api to offer functions for plain and GValue arrays Rename the _get_value_array() functions to _get_g_value_array() and reintroduce the former to operate on plain unboxed c datatypes (like in 0.10). The _g_value variants are for bindings while the _value ones are more suited to processing in elements.
2012-04-25 07:47:10 +00:00
gst_object_get_g_value_array (e, "int", 0, GST_SECOND / 10, n_values, v4);
controller: also test array functions Improve the example to also collect value arrays and plot them.
2011-12-31 14:52:18 +00:00
controller: constructures for control sources return GstControlSource Don't return the specific types. In most cases there is no specific api there anyway.
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g_object_set (cs, "waveform", GST_LFO_WAVEFORM_TRIANGLE, NULL);
audio-example: also plot reverse-saw
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v5 = g_new0 (GValue, n_values);
controller: expand the api to offer functions for plain and GValue arrays Rename the _get_value_array() functions to _get_g_value_array() and reintroduce the former to operate on plain unboxed c datatypes (like in 0.10). The _g_value variants are for bindings while the _value ones are more suited to processing in elements.
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gst_object_get_g_value_array (e, "int", 0, GST_SECOND / 10, n_values, v5);
audio-example: also plot reverse-saw
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controller: also test array functions Improve the example to also collect value arrays and plot them.
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for (t = 0; t < n_values; t++) {
i1 = g_value_get_int (&v1[t]);
i2 = g_value_get_int (&v2[t]);
i3 = g_value_get_int (&v3[t]);
i4 = g_value_get_int (&v4[t]);
audio-example: also plot reverse-saw
2012-01-01 17:50:55 +00:00
i5 = g_value_get_int (&v5[t]);
fprintf (f, "%4.1f %d %d %d %d %d\n", (gfloat) t / 10.0, i1, i2, i3, i4,
i5);
controller: also test array functions Improve the example to also collect value arrays and plot them.
2011-12-31 14:52:18 +00:00
g_value_unset (&v1[t]);
g_value_unset (&v2[t]);
g_value_unset (&v3[t]);
g_value_unset (&v4[t]);
audio-example: also plot reverse-saw
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g_value_unset (&v5[t]);
controller: move GValue handling from control-sources to -binding ControlSources are now gdouble based. A control source is mapped to a particullar GObject property using a ControlBinding.
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}
controller: also test array functions Improve the example to also collect value arrays and plot them.
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g_free (v1);
g_free (v2);
g_free (v3);
lfocontrolsource: make chainable Now the properties of this controlsource are in turn controlable. Add an example to show the usage.
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g_free (v4);
audio-example: also plot reverse-saw
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g_free (v5);
controller: move GValue handling from control-sources to -binding ControlSources are now gdouble based. A control source is mapped to a particullar GObject property using a ControlBinding.
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fclose (f);
controller: constructures for control sources return GstControlSource Don't return the specific types. In most cases there is no specific api there anyway.
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gst_object_unref (cs);
controller: move GValue handling from control-sources to -binding ControlSources are now gdouble based. A control source is mapped to a particullar GObject property using a ControlBinding.
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gst_object_unref (e);
}
lfocontrolsource: make chainable Now the properties of this controlsource are in turn controlable. Add an example to show the usage.
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static void
test_chained_lfo (void)
{
GstObject *e;
GstControlSource *cs1, *cs2;
gint t, i1;
GValue *v1;
gint n_values;
FILE *f;
e = (GstObject *) gst_element_factory_make ("testobj", NULL);
controller: constructures for control sources return GstControlSource Don't return the specific types. In most cases there is no specific api there anyway.
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cs1 = gst_lfo_control_source_new ();
lfocontrolsource: make chainable Now the properties of this controlsource are in turn controlable. Add an example to show the usage.
2012-01-01 14:16:06 +00:00
controller: rename control-bindings gst_control_binding_xxx -> gst_xxx_control_binding for consistency.
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gst_object_add_control_binding (e, gst_direct_control_binding_new (e, "int",
controller: allow different controlbindings Make controlbinding an abstract baseclass. Move implementation to control- binding-direct and add a control-binding-argb. Add an example.
2012-01-21 19:03:52 +00:00
cs1));
lfocontrolsource: make chainable Now the properties of this controlsource are in turn controlable. Add an example to show the usage.
2012-01-01 14:16:06 +00:00
controller: constructures for control sources return GstControlSource Don't return the specific types. In most cases there is no specific api there anyway.
2012-01-31 11:20:41 +00:00
g_object_set (cs1,
lfocontrolsource: make chainable Now the properties of this controlsource are in turn controlable. Add an example to show the usage.
2012-01-01 14:16:06 +00:00
"waveform", GST_LFO_WAVEFORM_SINE,
"frequency", (gdouble) 0.05,
"timeshift", (GstClockTime) 0, "offset", (gdouble) 0.5, NULL);
controller: constructures for control sources return GstControlSource Don't return the specific types. In most cases there is no specific api there anyway.
2012-01-31 11:20:41 +00:00
cs2 = gst_lfo_control_source_new ();
lfocontrolsource: make chainable Now the properties of this controlsource are in turn controlable. Add an example to show the usage.
2012-01-01 14:16:06 +00:00
controller: constructures for control sources return GstControlSource Don't return the specific types. In most cases there is no specific api there anyway.
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gst_object_add_control_binding ((GstObject *) cs1,
gst_direct_control_binding_new ((GstObject *) cs1, "amplitude", cs2));
lfocontrolsource: make chainable Now the properties of this controlsource are in turn controlable. Add an example to show the usage.
2012-01-01 14:16:06 +00:00
controller: constructures for control sources return GstControlSource Don't return the specific types. In most cases there is no specific api there anyway.
2012-01-31 11:20:41 +00:00
g_object_set (cs2,
lfocontrolsource: make chainable Now the properties of this controlsource are in turn controlable. Add an example to show the usage.
2012-01-01 14:16:06 +00:00
"waveform", GST_LFO_WAVEFORM_SINE,
"frequency", (gdouble) 0.05,
"timeshift", (GstClockTime) 0,
"amplitude", (gdouble) 0.5, "offset", (gdouble) 0.5, NULL);
/* test single values */
if (!(f = fopen ("ctrl_cl1.dat", "w")))
exit (-1);
fprintf (f, "# Time Sine\n");
for (t = 0; t < 40; t++) {
gst_object_sync_values (e, t * GST_SECOND);
i1 = GST_TEST_OBJ (e)->val_int;
fprintf (f, "%4.1f %d\n", (gfloat) t, i1);
}
fclose (f);
/* test value arrays */
if (!(f = fopen ("ctrl_cl2.dat", "w")))
exit (-1);
fprintf (f, "# Time Sine\n");
n_values = 40 * 10;
v1 = g_new0 (GValue, n_values);
controller: expand the api to offer functions for plain and GValue arrays Rename the _get_value_array() functions to _get_g_value_array() and reintroduce the former to operate on plain unboxed c datatypes (like in 0.10). The _g_value variants are for bindings while the _value ones are more suited to processing in elements.
2012-04-25 07:47:10 +00:00
gst_object_get_g_value_array (e, "int", 0, GST_SECOND / 10, n_values, v1);
lfocontrolsource: make chainable Now the properties of this controlsource are in turn controlable. Add an example to show the usage.
2012-01-01 14:16:06 +00:00
for (t = 0; t < n_values; t++) {
i1 = g_value_get_int (&v1[t]);
fprintf (f, "%4.1f %d\n", (gfloat) t / 10.0, i1);
g_value_unset (&v1[t]);
}
g_free (v1);
fclose (f);
controller: constructures for control sources return GstControlSource Don't return the specific types. In most cases there is no specific api there anyway.
2012-01-31 11:20:41 +00:00
gst_object_unref (cs1);
gst_object_unref (cs2);
lfocontrolsource: make chainable Now the properties of this controlsource are in turn controlable. Add an example to show the usage.
2012-01-01 14:16:06 +00:00
gst_object_unref (e);
}
controller: move GValue handling from control-sources to -binding ControlSources are now gdouble based. A control source is mapped to a particullar GObject property using a ControlBinding.
2011-12-22 22:48:30 +00:00
gint
main (gint argc, gchar ** argv)
{
gst_init (&argc, &argv);
gst_element_register (NULL, "testobj", GST_RANK_NONE, GST_TYPE_TEST_OBJ);
test_interpolation ();
test_lfo ();
lfocontrolsource: make chainable Now the properties of this controlsource are in turn controlable. Add an example to show the usage.
2012-01-01 14:16:06 +00:00
test_chained_lfo ();
controller: move GValue handling from control-sources to -binding ControlSources are now gdouble based. A control source is mapped to a particullar GObject property using a ControlBinding.
2011-12-22 22:48:30 +00:00
return 0;
}
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