def test_OneBlackFrame(self):
codec = mjpeg.MotionJpegCodec()
my_optimizer = optimizer.Optimizer(codec)
videofile = test_tools.MakeYuvFileWithOneBlankFrame(
'one_black_frame_1024_768_30.yuv')
# Motion JPEG generates a massive file, so give it a large target bitrate.
encoding = my_optimizer.BestEncoding(5000, videofile)
encoding.Execute()
self.assertLess(50.0, my_optimizer.Score(encoding))
def test_ParametersSet(self):
codec = mjpeg.MotionJpegCodec()
my_optimizer = optimizer.Optimizer(codec)
videofile = test_tools.MakeYuvFileWithOneBlankFrame(
'one_black_frame_1024_768_30.yuv')
my_encoder = encoder.Encoder(
my_optimizer.context,
encoder.OptionValueSet(codec.option_set,
'-qmin 1 -qmax 1',
formatter=codec.option_formatter))
encoding = my_encoder.Encoding(5000, videofile)
encoding.Execute()
self.assertLess(50.0, my_optimizer.Score(encoding))
def test_ParametersAdjusted(self):
codec = mjpeg.MotionJpegCodec()
my_optimizer = optimizer.Optimizer(codec)
my_encoder = encoder.Encoder(
my_optimizer.context,
encoder.OptionValueSet(codec.option_set,
'-qmin 2 -qmax 2',
formatter=codec.option_formatter))
self.assertEquals('2', my_encoder.parameters.GetValue('qmin'))
self.assertEquals('2', my_encoder.parameters.GetValue('qmax'))
# qmax is less than qmin. Should be adjusted to be above.
my_encoder = encoder.Encoder(
my_optimizer.context,
encoder.OptionValueSet(codec.option_set,
'-qmin 3 -qmax 2',
formatter=codec.option_formatter))
self.assertEquals('3', my_encoder.parameters.GetValue('qmin'))
self.assertEquals('3', my_encoder.parameters.GetValue('qmax'))