def ffmpeg_args():
ret = ['ffmpeg', '-f']
p = Platform()
if p.isMacOSX():
ret.append('avfoundation')
elif p.isLinux():
ret.append('v4l2')
else:
raise NotImplementedError
ret.extend([
'-framerate',
'30',
'-video_size',
'640x480',
])
if p.isMacOSX():
ret.extend([
'-i',
'default',
'-f',
'avfoundation',
'-i',
':0',
])
elif p.isLinux():
ret.extend([
'-i',
'/dev/video0',
'-f',
'alsa',
'-thread_queue_size',
'99999',
'-i',
'hw:0',
])
ret.extend([
'-async',
'1',
'-c:a',
'aac',
'-vcodec',
'libx264',
'-tune',
'zerolatency',
'-preset',
'veryfast',
'-x264opts',
'crf=20:vbv-maxrate=3000:vbv-bufsize=100:intra-refresh=1:slice-max-size=1500:keyint=30:ref=1',
])
# Ubuntu-only?
if p.isLinux() and isUbuntu():
ret.extend(['-strict', '-2'])
ret.extend(['-f', 'mpegts', '-'])
return ret
def test_isMacOSXConsistency(self):
"""
L{Platform.isMacOSX} can only return C{True} if L{Platform.getType}
returns C{'posix'}.
"""
platform = Platform()
if platform.isMacOSX():
self.assertEqual(platform.getType(), 'posix')
def test_isMacOSXConsistency(self):
"""
L{Platform.isMacOSX} can only return C{True} if L{Platform.getType}
returns C{'posix'}.
"""
platform = Platform()
if platform.isMacOSX():
self.assertEqual(platform.getType(), 'posix')
def test_isVistaConsistency(self):
"""
Verify consistency of L{Platform.isVista}: it can only be C{True} if
L{Platform.isWinNT} and L{Platform.isWindows} are C{True}.
"""
platform = Platform()
if platform.isVista():
self.assertTrue(platform.isWinNT())
self.assertTrue(platform.isWindows())
self.assertFalse(platform.isMacOSX())
def test_isVistaConsistency(self):
"""
Verify consistency of L{Platform.isVista}: it can only be C{True} if
L{Platform.isWinNT} and L{Platform.isWindows} are C{True}.
"""
platform = Platform()
if platform.isVista():
self.assertTrue(platform.isWinNT())
self.assertTrue(platform.isWindows())
self.assertFalse(platform.isMacOSX())
