4 * Generates a datafile for various control sources.
6 * Needs gnuplot for plotting.
7 * 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'
8 * 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'
15 #include <gst/controller/gstinterpolationcontrolsource.h>
16 #include <gst/controller/gstlfocontrolsource.h>
18 /* local test element */
29 #define GST_TYPE_TEST_OBJ (gst_test_obj_get_type ())
30 #define GST_TEST_OBJ(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_TEST_OBJ, GstTestObj))
31 #define GST_TEST_OBJ_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_TEST_OBJ, GstTestObjClass))
32 #define GST_IS_TEST_OBJ(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_TEST_OBJ))
33 #define GST_IS_TEST_OBJ_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_TEST_OBJ))
34 #define GST_TEST_OBJ_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_TEST_OBJ, GstTestObjClass))
36 typedef struct _GstTestObj GstTestObj;
37 typedef struct _GstTestObjClass GstTestObjClass;
47 struct _GstTestObjClass
49 GstElementClass parent_class;
52 static GType gst_test_obj_get_type (void);
55 gst_test_obj_get_property (GObject * object,
56 guint property_id, GValue * value, GParamSpec * pspec)
58 GstTestObj *self = GST_TEST_OBJ (object);
60 switch (property_id) {
62 g_value_set_int (value, self->val_int);
65 g_value_set_float (value, self->val_float);
68 g_value_set_double (value, self->val_double);
71 g_value_set_boolean (value, self->val_boolean);
74 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
80 gst_test_obj_set_property (GObject * object,
81 guint property_id, const GValue * value, GParamSpec * pspec)
83 GstTestObj *self = GST_TEST_OBJ (object);
85 switch (property_id) {
87 self->val_int = g_value_get_int (value);
88 GST_DEBUG ("test value int=%d", self->val_int);
91 self->val_float = g_value_get_float (value);
92 GST_DEBUG ("test value float=%f", self->val_float);
95 self->val_double = g_value_get_double (value);
96 GST_DEBUG ("test value double=%f", self->val_double);
99 self->val_boolean = g_value_get_boolean (value);
100 GST_DEBUG ("test value boolean=%d", self->val_boolean);
103 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
109 gst_test_obj_class_init (GstTestObjClass * klass)
111 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
113 gobject_class->set_property = gst_test_obj_set_property;
114 gobject_class->get_property = gst_test_obj_get_property;
116 g_object_class_install_property (gobject_class, PROP_INT,
117 g_param_spec_int ("int",
119 "int number parameter for the TEST_OBJ",
120 0, 100, 0, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
122 g_object_class_install_property (gobject_class, PROP_FLOAT,
123 g_param_spec_float ("float",
125 "float number parameter for the TEST_OBJ",
126 0.0, 100.0, 0.0, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
128 g_object_class_install_property (gobject_class, PROP_DOUBLE,
129 g_param_spec_double ("double",
131 "double number parameter for the TEST_OBJ",
132 0.0, 100.0, 0.0, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
134 g_object_class_install_property (gobject_class, PROP_BOOLEAN,
135 g_param_spec_boolean ("boolean",
137 "boolean parameter for the TEST_OBJ",
138 FALSE, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
142 gst_test_obj_base_init (GstTestObjClass * klass)
144 GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
146 gst_element_class_set_details_simple (element_class,
147 "test object for unit tests",
148 "Test", "Use in unit tests", "Stefan Sauer <ensonic@users.sf.net>");
152 gst_test_obj_get_type (void)
154 static volatile gsize TEST_OBJ_type = 0;
156 if (g_once_init_enter (&TEST_OBJ_type)) {
158 static const GTypeInfo info = {
159 (guint16) sizeof (GstTestObjClass),
160 (GBaseInitFunc) gst_test_obj_base_init, // base_init
161 NULL, // base_finalize
162 (GClassInitFunc) gst_test_obj_class_init, // class_init
163 NULL, // class_finalize
165 (guint16) sizeof (GstTestObj),
167 NULL, // instance_init
170 type = g_type_register_static (GST_TYPE_ELEMENT, "GstTestObj", &info, 0);
171 g_once_init_leave (&TEST_OBJ_type, type);
173 return TEST_OBJ_type;
177 test_interpolation (void)
180 GstInterpolationControlSource *ics;
181 GstTimedValueControlSource *tvcs;
182 GstControlSource *cs;
186 e = (GstObject *) gst_element_factory_make ("testobj", NULL);
188 ics = gst_interpolation_control_source_new ();
189 tvcs = (GstTimedValueControlSource *) ics;
190 cs = (GstControlSource *) ics;
192 gst_object_set_control_source (e, "int", cs);
194 gst_timed_value_control_source_set (tvcs, 0 * GST_SECOND, 0.0);
195 gst_timed_value_control_source_set (tvcs, 10 * GST_SECOND, 1.0);
196 gst_timed_value_control_source_set (tvcs, 20 * GST_SECOND, 0.5);
197 gst_timed_value_control_source_set (tvcs, 30 * GST_SECOND, 0.2);
199 if (!(f = fopen ("ctrl_interpolation.dat", "w")))
201 fprintf (f, "# Time None Linear Cubic\n");
203 for (t = 0; t < 40; t++) {
204 g_object_set (ics, "mode", GST_INTERPOLATION_MODE_NONE, NULL);
205 gst_object_sync_values (e, t * GST_SECOND);
206 i1 = GST_TEST_OBJ (e)->val_int;
208 g_object_set (ics, "mode", GST_INTERPOLATION_MODE_LINEAR, NULL);
209 gst_object_sync_values (e, t * GST_SECOND);
210 i2 = GST_TEST_OBJ (e)->val_int;
212 g_object_set (ics, "mode", GST_INTERPOLATION_MODE_CUBIC, NULL);
213 gst_object_sync_values (e, t * GST_SECOND);
214 i3 = GST_TEST_OBJ (e)->val_int;
216 fprintf (f, "%d %d %d %d\n", t, i1, i2, i3);
221 gst_object_unref (ics);
222 gst_object_unref (e);
229 GstLFOControlSource *lfocs;
230 GstControlSource *cs;
231 gint t, i1, i2, i3, i4;
234 e = (GstObject *) gst_element_factory_make ("testobj", NULL);
236 lfocs = gst_lfo_control_source_new ();
237 cs = (GstControlSource *) lfocs;
239 gst_object_set_control_source (e, "int", cs);
242 "frequency", (gdouble) 0.05,
243 "timeshift", (GstClockTime) 0,
244 "amplitude", (gdouble) 0.5, "offset", (gdouble) 0.5, NULL);
246 if (!(f = fopen ("ctrl_lfo.dat", "w")))
248 fprintf (f, "# Time Sine Saw Square Triangle\n");
250 for (t = 0; t < 40; t++) {
251 g_object_set (lfocs, "waveform", GST_LFO_WAVEFORM_SINE, NULL);
252 gst_object_sync_values (e, t * GST_SECOND);
253 i1 = GST_TEST_OBJ (e)->val_int;
255 g_object_set (lfocs, "waveform", GST_LFO_WAVEFORM_SAW, NULL);
256 gst_object_sync_values (e, t * GST_SECOND);
257 i2 = GST_TEST_OBJ (e)->val_int;
259 g_object_set (lfocs, "waveform", GST_LFO_WAVEFORM_SQUARE, NULL);
260 gst_object_sync_values (e, t * GST_SECOND);
261 i3 = GST_TEST_OBJ (e)->val_int;
263 g_object_set (lfocs, "waveform", GST_LFO_WAVEFORM_TRIANGLE, NULL);
264 gst_object_sync_values (e, t * GST_SECOND);
265 i4 = GST_TEST_OBJ (e)->val_int;
267 fprintf (f, "%d %d %d %d %d\n", t, i1, i2, i3, i4);
272 gst_object_unref (lfocs);
273 gst_object_unref (e);
278 main (gint argc, gchar ** argv)
280 gst_init (&argc, &argv);
282 gst_element_register (NULL, "testobj", GST_RANK_NONE, GST_TYPE_TEST_OBJ);
284 test_interpolation ();