def test_reformat_colourspace(self):
# This is allowed.
frame = VideoFrame(640, 480, "rgb24")
frame.reformat(src_colorspace=None, dst_colorspace="smpte240")
# I thought this was not allowed, but it seems to be.
frame = VideoFrame(640, 480, "yuv420p")
frame.reformat(src_colorspace=None, dst_colorspace="smpte240")
def test_reformat_colourspace(self):
# This is allowed.
frame = VideoFrame(640, 480, 'rgb24')
frame2 = frame.reformat(src_colorspace=None, dst_colorspace='smpte240')
# I thought this was not allowed, but it seems to be.
frame = VideoFrame(640, 480, 'yuv420p')
frame2 = frame.reformat(src_colorspace=None, dst_colorspace='smpte240')
def test_reformat_pts(self):
frame = VideoFrame(640, 480, 'rgb24')
frame.pts = 123
frame.time_base = '456/1' # Just to be different.
frame = frame.reformat(320, 240)
self.assertEqual(frame.pts, 123)
self.assertEqual(frame.time_base, 456)
def test_reformat_pixel_format_align(self):
height = 480
for width in range(2, 258, 2):
frame_yuv = VideoFrame(width, height, "yuv420p")
for plane in frame_yuv.planes:
plane.update(b"\xff" * plane.buffer_size)
expected_rgb = numpy.zeros(shape=(height, width, 3),
dtype=numpy.uint8)
expected_rgb[:, :, 0] = 255
expected_rgb[:, :, 1] = 124
expected_rgb[:, :, 2] = 255
frame_rgb = frame_yuv.reformat(format="rgb24")
self.assertNdarraysEqual(frame_rgb.to_ndarray(), expected_rgb)
def test_reformat_pixel_format_align(self):
height = 480
for width in range(2, 258, 2):
frame_yuv = VideoFrame(width, height, 'yuv420p')
for plane in frame_yuv.planes:
plane.update(b'\xff' * plane.buffer_size)
expected_rgb = numpy.zeros(shape=(height, width, 3),
dtype=numpy.uint8)
expected_rgb[:, :, 0] = 255
expected_rgb[:, :, 1] = 124
expected_rgb[:, :, 2] = 255
frame_rgb = frame_yuv.reformat(format='rgb24')
array_rgb = frame_rgb.to_ndarray()
self.assertEqual(array_rgb.shape, (height, width, 3))
self.assertTrue((array_rgb == expected_rgb).all())
def test_reformat_identity(self):
frame1 = VideoFrame(640, 480, 'rgb24')
frame2 = frame1.reformat(640, 480, 'rgb24')
self.assertIs(frame1, frame2)