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39d6b7462f
ControlSources are now gdouble based. A control source is mapped to a particullar GObject property using a ControlBinding.
286 lines
8.2 KiB
C
286 lines
8.2 KiB
C
/*
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* control-sources.c
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*
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* Generates a datafile for various control sources.
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*
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* Needs gnuplot for plotting.
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* plot "ctrl_interpolation.dat" using 1:2 with points title 'none', "" using 1:3 with points title 'linear', "" using 1:4 with points title 'cubic'
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* plot "ctrl_lfo.dat" using 1:2 with points title 'sine', "" using 1:3 with points title 'saw', "" using 1:4 with points title 'square', "" using 1:5 with points title 'triangle'
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <gst/gst.h>
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#include <gst/controller/gstinterpolationcontrolsource.h>
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#include <gst/controller/gstlfocontrolsource.h>
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/* local test element */
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enum
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{
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PROP_INT = 1,
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PROP_FLOAT,
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PROP_DOUBLE,
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PROP_BOOLEAN,
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PROP_COUNT
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};
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#define GST_TYPE_TEST_OBJ (gst_test_obj_get_type ())
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#define GST_TEST_OBJ(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_TEST_OBJ, GstTestObj))
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#define GST_TEST_OBJ_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_TEST_OBJ, GstTestObjClass))
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#define GST_IS_TEST_OBJ(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_TEST_OBJ))
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#define GST_IS_TEST_OBJ_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_TEST_OBJ))
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#define GST_TEST_OBJ_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_TEST_OBJ, GstTestObjClass))
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typedef struct _GstTestObj GstTestObj;
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typedef struct _GstTestObjClass GstTestObjClass;
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struct _GstTestObj
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{
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GstElement parent;
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gint val_int;
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gfloat val_float;
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gdouble val_double;
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gboolean val_boolean;
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};
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struct _GstTestObjClass
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{
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GstElementClass parent_class;
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};
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static GType gst_test_obj_get_type (void);
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static void
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gst_test_obj_get_property (GObject * object,
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guint property_id, GValue * value, GParamSpec * pspec)
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{
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GstTestObj *self = GST_TEST_OBJ (object);
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switch (property_id) {
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case PROP_INT:
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g_value_set_int (value, self->val_int);
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break;
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case PROP_FLOAT:
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g_value_set_float (value, self->val_float);
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break;
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case PROP_DOUBLE:
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g_value_set_double (value, self->val_double);
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break;
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case PROP_BOOLEAN:
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g_value_set_boolean (value, self->val_boolean);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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gst_test_obj_set_property (GObject * object,
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guint property_id, const GValue * value, GParamSpec * pspec)
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{
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GstTestObj *self = GST_TEST_OBJ (object);
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switch (property_id) {
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case PROP_INT:
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self->val_int = g_value_get_int (value);
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GST_DEBUG ("test value int=%d", self->val_int);
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break;
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case PROP_FLOAT:
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self->val_float = g_value_get_float (value);
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GST_DEBUG ("test value float=%f", self->val_float);
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break;
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case PROP_DOUBLE:
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self->val_double = g_value_get_double (value);
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GST_DEBUG ("test value double=%f", self->val_double);
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break;
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case PROP_BOOLEAN:
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self->val_boolean = g_value_get_boolean (value);
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GST_DEBUG ("test value boolean=%d", self->val_boolean);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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gst_test_obj_class_init (GstTestObjClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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gobject_class->set_property = gst_test_obj_set_property;
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gobject_class->get_property = gst_test_obj_get_property;
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g_object_class_install_property (gobject_class, PROP_INT,
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g_param_spec_int ("int",
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"int prop",
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"int number parameter for the TEST_OBJ",
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0, 100, 0, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
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g_object_class_install_property (gobject_class, PROP_FLOAT,
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g_param_spec_float ("float",
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"float prop",
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"float number parameter for the TEST_OBJ",
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0.0, 100.0, 0.0, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
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g_object_class_install_property (gobject_class, PROP_DOUBLE,
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g_param_spec_double ("double",
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"double prop",
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"double number parameter for the TEST_OBJ",
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0.0, 100.0, 0.0, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
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g_object_class_install_property (gobject_class, PROP_BOOLEAN,
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g_param_spec_boolean ("boolean",
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"boolean prop",
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"boolean parameter for the TEST_OBJ",
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FALSE, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
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}
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static void
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gst_test_obj_base_init (GstTestObjClass * klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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gst_element_class_set_details_simple (element_class,
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"test object for unit tests",
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"Test", "Use in unit tests", "Stefan Sauer <ensonic@users.sf.net>");
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}
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static GType
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gst_test_obj_get_type (void)
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{
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static volatile gsize TEST_OBJ_type = 0;
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if (g_once_init_enter (&TEST_OBJ_type)) {
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GType type;
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static const GTypeInfo info = {
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(guint16) sizeof (GstTestObjClass),
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(GBaseInitFunc) gst_test_obj_base_init, // base_init
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NULL, // base_finalize
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(GClassInitFunc) gst_test_obj_class_init, // class_init
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NULL, // class_finalize
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NULL, // class_data
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(guint16) sizeof (GstTestObj),
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0, // n_preallocs
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NULL, // instance_init
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NULL // value_table
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};
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type = g_type_register_static (GST_TYPE_ELEMENT, "GstTestObj", &info, 0);
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g_once_init_leave (&TEST_OBJ_type, type);
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}
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return TEST_OBJ_type;
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}
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static void
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test_interpolation (void)
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{
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GstObject *e;
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GstInterpolationControlSource *ics;
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GstTimedValueControlSource *tvcs;
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GstControlSource *cs;
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gint t, i1, i2, i3;
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FILE *f;
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e = (GstObject *) gst_element_factory_make ("testobj", NULL);
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ics = gst_interpolation_control_source_new ();
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tvcs = (GstTimedValueControlSource *) ics;
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cs = (GstControlSource *) ics;
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gst_object_set_control_source (e, "int", cs);
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gst_timed_value_control_source_set (tvcs, 0 * GST_SECOND, 0.0);
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gst_timed_value_control_source_set (tvcs, 10 * GST_SECOND, 1.0);
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gst_timed_value_control_source_set (tvcs, 20 * GST_SECOND, 0.5);
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gst_timed_value_control_source_set (tvcs, 30 * GST_SECOND, 0.2);
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if (!(f = fopen ("ctrl_interpolation.dat", "w")))
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exit (-1);
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fprintf (f, "# Time None Linear Cubic\n");
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for (t = 0; t < 40; t++) {
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g_object_set (ics, "mode", GST_INTERPOLATION_MODE_NONE, NULL);
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gst_object_sync_values (e, t * GST_SECOND);
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i1 = GST_TEST_OBJ (e)->val_int;
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g_object_set (ics, "mode", GST_INTERPOLATION_MODE_LINEAR, NULL);
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gst_object_sync_values (e, t * GST_SECOND);
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i2 = GST_TEST_OBJ (e)->val_int;
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g_object_set (ics, "mode", GST_INTERPOLATION_MODE_CUBIC, NULL);
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gst_object_sync_values (e, t * GST_SECOND);
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i3 = GST_TEST_OBJ (e)->val_int;
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fprintf (f, "%d %d %d %d\n", t, i1, i2, i3);
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}
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fclose (f);
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gst_object_unref (e);
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}
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static void
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test_lfo (void)
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{
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GstObject *e;
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GstLFOControlSource *lfocs;
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GstControlSource *cs;
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gint t, i1, i2, i3, i4;
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FILE *f;
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e = (GstObject *) gst_element_factory_make ("testobj", NULL);
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lfocs = gst_lfo_control_source_new ();
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cs = (GstControlSource *) lfocs;
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gst_object_set_control_source (e, "int", cs);
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g_object_set (lfocs,
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"frequency", (gdouble) 0.05,
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"timeshift", (GstClockTime) 0,
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"amplitude", (gdouble) 0.5, "offset", (gdouble) 0.5, NULL);
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if (!(f = fopen ("ctrl_lfo.dat", "w")))
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exit (-1);
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fprintf (f, "# Time Sine Saw Square Triangle\n");
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for (t = 0; t < 40; t++) {
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g_object_set (lfocs, "waveform", GST_LFO_WAVEFORM_SINE, NULL);
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gst_object_sync_values (e, t * GST_SECOND);
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i1 = GST_TEST_OBJ (e)->val_int;
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g_object_set (lfocs, "waveform", GST_LFO_WAVEFORM_SAW, NULL);
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gst_object_sync_values (e, t * GST_SECOND);
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i2 = GST_TEST_OBJ (e)->val_int;
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g_object_set (lfocs, "waveform", GST_LFO_WAVEFORM_SQUARE, NULL);
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gst_object_sync_values (e, t * GST_SECOND);
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i3 = GST_TEST_OBJ (e)->val_int;
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g_object_set (lfocs, "waveform", GST_LFO_WAVEFORM_TRIANGLE, NULL);
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gst_object_sync_values (e, t * GST_SECOND);
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i4 = GST_TEST_OBJ (e)->val_int;
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fprintf (f, "%d %d %d %d %d\n", t, i1, i2, i3, i4);
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}
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fclose (f);
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gst_object_unref (e);
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}
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gint
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main (gint argc, gchar ** argv)
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{
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gst_init (&argc, &argv);
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gst_element_register (NULL, "testobj", GST_RANK_NONE, GST_TYPE_TEST_OBJ);
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test_interpolation ();
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test_lfo ();
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return 0;
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}
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