gstreamer/tests/old/testsuite/controller/interpolator.c

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/*
* interpolator.c
*
* test interpolator methods
*
*/
#include <gst/gst.h>
#include <gst/controller/gst-controller.h>
extern GstInterpolateMethod *interpolation_methods[];
gint
main (gint argc, gchar ** argv)
{
gint res = 1;
GstControlledProperty *prop = NULL;
GType type = G_TYPE_INT;
GstTimedValue tv1 = { 0, }, tv2 = {
0,}, tv3 = {
0,};
GValue *val;
gint i;
gst_init (&argc, &argv);
gst_controller_init (&argc, &argv);
// build fake controlled property
if ((prop = g_new0 (GstControlledProperty, 1))) {
prop->name = "test";
//prop->parent_type = G_OBJECT_TYPE (object);
prop->type = type;
g_value_init (&prop->default_value, type);
g_value_set_int (&prop->default_value, 0);
g_value_init (&prop->result_value, type);
// set timed values
tv1.timestamp = 0;
g_value_init (&tv1.value, type);
g_value_set_int (&tv1.value, 0);
prop->values = g_list_append (prop->values, &tv1);
tv2.timestamp = 10 * GST_SECOND;
g_value_init (&tv2.value, type);
g_value_set_int (&tv2.value, 100);
prop->values = g_list_append (prop->values, &tv2);
tv3.timestamp = 20 * GST_SECOND;
g_value_init (&tv3.value, type);
g_value_set_int (&tv3.value, 50);
prop->values = g_list_append (prop->values, &tv3);
g_print ("# time trig none line\n");
// test interpolator
for (i = 0; i < 25; i++) {
g_print (" %4d", i);
prop->interpolation = GST_INTERPOLATE_TRIGGER;
prop->get = interpolation_methods[prop->interpolation]->get_int;
prop->get_value_array =
interpolation_methods[prop->interpolation]->get_int_value_array;
val = prop->get (prop, i * GST_SECOND);
g_print (" %4d", (val ? g_value_get_int (val) : 0));
prop->interpolation = GST_INTERPOLATE_NONE;
prop->get = interpolation_methods[prop->interpolation]->get_int;
prop->get_value_array =
interpolation_methods[prop->interpolation]->get_int_value_array;
val = prop->get (prop, i * GST_SECOND);
g_print (" %4d", (val ? g_value_get_int (val) : 0));
prop->interpolation = GST_INTERPOLATE_LINEAR;
prop->get = interpolation_methods[prop->interpolation]->get_int;
prop->get_value_array =
interpolation_methods[prop->interpolation]->get_int_value_array;
val = prop->get (prop, i * GST_SECOND);
g_print (" %4d", (val ? g_value_get_int (val) : 0));
g_print ("\n");
}
g_list_free (prop->values);
g_free (prop);
res = 0;
}
return (res);
}