#include void test1 (void) { GValue dest = { 0 }; GValue src1 = { 0 }; GValue src2 = { 0 }; gboolean ret; g_value_init (&src1, G_TYPE_INT); g_value_set_int (&src1, 10); g_value_init (&src2, G_TYPE_INT); g_value_set_int (&src1, 20); ret = gst_value_intersect (&dest, &src1, &src2); g_assert (ret == 0); g_print ("ret = %d\n", ret); } void test2 (void) { GValue dest = { 0 }; GValue src1 = { 0 }; GValue src2 = { 0 }; GValue item = { 0 }; gboolean ret; g_value_init (&src1, GST_TYPE_FOURCC); gst_value_set_fourcc (&src1, GST_MAKE_FOURCC ('Y', 'U', 'Y', '2')); g_value_init (&src2, GST_TYPE_LIST); g_value_init (&item, GST_TYPE_FOURCC); gst_value_set_fourcc (&item, GST_MAKE_FOURCC ('Y', 'U', 'Y', '2')); gst_value_list_append_value (&src2, &item); gst_value_set_fourcc (&item, GST_MAKE_FOURCC ('I', '4', '2', '0')); gst_value_list_append_value (&src2, &item); gst_value_set_fourcc (&item, GST_MAKE_FOURCC ('A', 'B', 'C', 'D')); gst_value_list_append_value (&src2, &item); ret = gst_value_intersect (&dest, &src1, &src2); g_print ("ret = %d\n", ret); g_print ("type = %s\n", g_type_name (G_VALUE_TYPE (&dest))); g_print ("value = %s\n", g_strdup_value_contents (&dest)); } int main (int argc, char *argv[]) { gst_init (&argc, &argv); test1 (); test2 (); return 0; }