def join(*streams, **kwargs):
'''
implementation of the ffmpeg join filter for merging multiple input streams, e.g.
i1 = ffmpeg.input(file)
s1 = i1['1:0'].join(i1['1:1'], inputs=2, channel_layout='stereo', map='0.0-FL|1.0-FR')
s1.output('d:/junk/test_join.wav', acodec='pcm_s24le').run()
:param streams: the streams to join.
:param kwargs: args to pass to join.
:return: the resulting stream.
'''
return FilterNode(streams, join.__name__, kwargs=kwargs,
max_inputs=None).stream()
def amerge(*streams, **kwargs):
'''
implementation of the ffmpeg amerge filter for merging multiple input streams, e.g.
i1 = ffmpeg.input(file)
s1 = i1['1:0'].amerge(i1['1:1'], inputs=6)
s1.output('d:/junk/test_join.wav', acodec='pcm_s24le').run()
:param streams: the streams to join.
:param kwargs: args to pass to join.
:return: the resulting stream.
'''
return FilterNode(streams, amerge.__name__, kwargs=kwargs,
max_inputs=None).stream()
def fps(stream, **kwargs):
return FilterNode(stream, "fps", kwargs=kwargs).stream()
def scale(stream, width='iw', height='ih'):
return FilterNode(stream, "scale", args=[width, height]).stream()
def crop(stream, width='iw', height='ih', x='0', y='0'):
return FilterNode(stream, "crop", args=[width, height, x, y]).stream()
def hstack(*streams, **kwargs):
return FilterNode(streams, "hstack", kwargs=kwargs, max_inputs=None).stream()
def blend(*streams, **kwargs):
return FilterNode(streams, "blend", kwargs=kwargs, max_inputs=None).stream()