Ejemplo n.º 1
0
    def testPropertyMarshalling(self):
        Gst.init(None)

        obj = Gst.ElementFactory.make("rawvideoparse")

        if not obj:
            # no rawvideoparse and I don't know of any elements in core or -base using
            # fraction properties. Skip this test.
            return

        value = obj.props.plane_strides
        self.assertEqual(value[0], 320)
        self.assertEqual(value[1], 160)
        self.assertEqual(value[2], 160)

        obj.props.plane_strides = Gst.ValueArray([640, 320, 320])

        value = obj.props.plane_strides
        self.assertEqual(value[0], 640)
        self.assertEqual(value[1], 320)
        self.assertEqual(value[2], 320)

        def bad():
            obj.props.plane_strides = 1

        self.assertRaises(TypeError, bad)

        value = obj.props.plane_strides
        self.assertEqual(value[0], 640)
        self.assertEqual(value[1], 320)
        self.assertEqual(value[2], 320)
Ejemplo n.º 2
0
    def testConstructor(self):
        Gst.init(None)

        a = Gst.ValueArray((1, 2, 3))
        self.assertEqual(a.array, [1, 2, 3])

        self.assertRaises(TypeError, Gst.ValueArray, 1)
        self.assertRaises(TypeError, Gst.ValueArray)
Ejemplo n.º 3
0
    def testGetValue(self):
        Gst.init(None)

        st = Gst.Structure.new_empty("video/x-raw")
        st["array"] = Gst.ValueArray([Gst.Fraction(1, 30), Gst.Fraction(1, 2)])
        value = st["array"]
        st["array"] = Gst.ValueArray(value)

        self.assertEqual(value[0], Gst.Fraction(1, 30))
        self.assertEqual(value[1], Gst.Fraction(1, 2))

        st["matrix"] = Gst.ValueArray(
            [Gst.ValueArray([0, 1]),
             Gst.ValueArray([-1, 0])])
        value = st["matrix"]

        self.assertEqual(value[0][0], 0)
        self.assertEqual(value[0][1], 1)
        self.assertEqual(value[1][0], -1)
        self.assertEqual(value[1][1], 0)
Ejemplo n.º 4
0
    def testRepr(self):
        Gst.init(None)

        self.assertEqual(repr(Gst.ValueArray([1, 2, 3])),
                         '<Gst.ValueArray <1,2,3>>')