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