def test_OneBlackFrame(self):
codec = x264.X264Codec()
my_optimizer = optimizer.Optimizer(codec)
videofile = test_tools.MakeYuvFileWithOneBlankFrame(
'one_black_frame_1024_768_30.yuv')
encoding = my_optimizer.BestEncoding(1000, videofile)
encoding.Execute()
# Most codecs should be good at this.
self.assertLess(50.0, my_optimizer.Score(encoding))
def test_Threading(self):
codec = x264.X264Codec()
context = encoder.Context(codec, encoder.EncodingDiskCache)
one_thread_encoder = codec.StartEncoder(context).ChangeValue(
'threads', 1)
two_thread_encoder = codec.StartEncoder(context).ChangeValue(
'threads', 2)
videofile = test_tools.MakeYuvFileWithOneBlankFrame(
'one_black_frame_1024_768_30.yuv')
one_encoding = one_thread_encoder.Encoding(1000, videofile)
one_encoding.Execute()
two_encoding = two_thread_encoder.Encoding(1000, videofile)
two_encoding.Execute()
self.assertAlmostEquals(float(one_encoding.Result()['psnr']),
float(two_encoding.Result()['psnr']))
def test_VbvMaxrateFlag(self):
codec = x264.X264Codec()
context = encoder.Context(codec)
my_encoder = codec.StartEncoder(context)
videofile = test_tools.MakeYuvFileWithOneBlankFrame(
'one_black_frame_1024_768_30.yuv')
encoding = my_encoder.Encoding(1000, videofile)
# The start encoder should have no bitrate.
commandline = encoding.EncodeCommandLine()
self.assertNotRegexpMatches(commandline, 'vbv-maxrate')
# Add in the use-vbv-maxrate parameter.
new_encoder = encoder.Encoder(
context,
my_encoder.parameters.ChangeValue('use-vbv-maxrate',
'use-vbv-maxrate'))
encoding = new_encoder.Encoding(1000, videofile)
commandline = encoding.EncodeCommandLine()
# vbv-maxrate should occur, but not use-vbv-maxrate.
self.assertRegexpMatches(commandline, '--vbv-maxrate 1000 ')
self.assertNotRegexpMatches(commandline, 'use-vbv-maxrate')
def test_Init(self): codec = x264.X264Codec() self.assertEqual(codec.name, 'x264')
def test_EncoderVersion(self):
codec = x264.X264Codec()
self.assertRegexpMatches(codec.EncoderVersion(), r'x264 \d')