def __init__(self, ismask=False):
Clip.__init__(self)
self.mask = None
self.audio = None
self.pos = lambda t: (0, 0)
self.relative_pos = False
self.ismask = ismask
def __init__(self, clips):
Clip.__init__(self)
self.clips = clips
ends = [c.end for c in self.clips]
self.nchannels = max([c.nchannels for c in self.clips])
if not any([(e is None) for e in ends]):
self.duration = max(ends)
self.end = max(ends)
def make_frame(t):
played_parts = [c.is_playing(t) for c in self.clips]
sounds = [
c.get_frame(t - c.start) * np.array([part]).T
for c, part in zip(self.clips, played_parts)
if (part is not False)
]
if isinstance(t, np.ndarray):
zero = np.zeros((len(t), self.nchannels))
else:
zero = np.zeros(self.nchannels)
return zero + sum(sounds)
self.make_frame = make_frame
def __init__(self, ismask=False):
Clip.__init__(self)
self.mask = None
self.audio = None
self.pos = lambda t: (0, 0)
self.relative_pos = False
self.ismask = ismask
def __init__(self, array, fps):
Clip.__init__(self)
self.array = array
self.fps = fps
self.duration = 1.0 * len(array) / fps
def make_frame(t):
""" complicated, but must be able to handle the case where t
is a list of the form sin(t) """
if isinstance(t, np.ndarray):
array_inds = (self.fps*t).astype(int)
in_array = (array_inds>0) & (array_inds < len(self.array))
result = np.zeros((len(t),2))
result[in_array] = self.array[array_inds[in_array]]
return result
else:
i = int(self.fps * t)
if i < 0 or i >= len(self.array):
return 0*self.array[0]
else:
return self.array[i]
self.make_frame = make_frame
self.nchannels = len(list(self.get_frame(0)))
def __init__(self, array, fps):
Clip.__init__(self)
self.array = array
self.fps = fps
self.duration = 1.0 * len(array) / fps
def make_frame(t):
"""complicated, but must be able to handle the case where t
is a list of the form sin(t)"""
if isinstance(t, np.ndarray):
array_inds = np.round(self.fps * t).astype(int)
in_array = (array_inds >= 0) & (array_inds < len(self.array))
result = np.zeros((len(t), 2))
result[in_array] = self.array[array_inds[in_array]]
return result
else:
i = int(self.fps * t)
if i < 0 or i >= len(self.array):
return 0 * self.array[0]
else:
return self.array[i]
self.make_frame = make_frame
self.nchannels = len(list(self.get_frame(0)))
def __init__(self, clips):
Clip.__init__(self)
self.clips = clips
ends = [c.end for c in self.clips]
self.nchannels = max([c.nchannels for c in self.clips])
if not any([(e is None) for e in ends]):
self.duration = max(ends)
self.end = max(ends)
def make_frame(t):
played_parts = [c.is_playing(t) for c in self.clips]
sounds= [c.get_frame(t - c.start)*np.array([part]).T
for c,part in zip(self.clips, played_parts)
if (part is not False) ]
if isinstance(t,np.ndarray):
zero = np.zeros((len(t),self.nchannels))
else:
zero = np.zeros(self.nchannels)
return zero + sum(sounds)
self.make_frame = make_frame
def _concatenate(self, clip: Clip, buffer=5):
if self._transition == 'crossfadein':
try:
before_cross_part = self._final_clip.subclip(
t_end=self._final_clip.duration - buffer)
before_buffer = self._final_clip.subclip(
t_start=self._final_clip.duration - buffer)
after_cross_part = clip.subclip(
t_start=self._transition_padding)
after_buffer = clip.subclip(
t_end=self._transition_padding).set_start(
buffer - self._transition_padding)
except OSError:
if buffer >= 60:
raise Exception('Buffer {} is very big'.format(buffer))
self._concatenate(clip, buffer=buffer * 2)
return
crossfade = CompositeVideoClip([
before_buffer,
after_buffer.crossfadein(self._transition_padding)
],
use_bgclip=True)
crossfade = crossfade.set_audio(before_buffer.audio)
self._final_clip = concatenate_videoclips(
[before_cross_part, crossfade, after_cross_part])
else:
self._final_clip = concatenate_videoclips([self._final_clip, clip])
def __init__(self, get_frame = None):
Clip.__init__(self)
if get_frame:
self.get_frame = get_frame
frame0 = self.get_frame(0)
if hasattr(frame0, '__iter__'):
self.nchannels = len(list(frame0))
else:
self.nchannels = 1
def __init__(self, get_frame=None):
Clip.__init__(self)
if get_frame:
self.get_frame = get_frame
frame0 = self.get_frame(0)
if hasattr(frame0, '__iter__'):
self.nchannels = len(list(frame0))
else:
self.nchannels = 1
def __init__(self, filename, buffersize=200000, nbytes=2, fps=44100):
Clip.__init__(self)
self.filename = filename
self.reader = FFMPEG_AudioReader(filename,fps=fps,nbytes=nbytes,
bufsize=buffersize+100)
self.fps = fps
self.duration = self.reader.duration
self.end = self.duration
self.nframes = self.reader.nframes
self.buffersize= buffersize
self.buffer= None
self._fstart_buffer = 1
self._buffer_around(1)
def gf(t):
bufsize = self.buffersize
if isinstance(t,np.ndarray):
# lazy implementation, but should not cause problems in
# 99.99 % of the cases
result = np.zeros((len(t),2))
in_time = (t>=0) & (t < self.duration)
inds = (self.fps*t+1).astype(int)[in_time]
f_tmin, f_tmax = inds.min(), inds.max()
if not (0 <= (f_tmin - self._fstart_buffer) < len(self.buffer)):
self._buffer_around(f_tmin)
elif not (0 <= (f_tmax - self._fstart_buffer) < len(self.buffer)):
self._buffer_around(f_tmax)
try:
tup = in_time.nonzero()
inds2 = inds - self._fstart_buffer
result[in_time] = self.buffer[inds - self._fstart_buffer]
return result
except IndexError as error:
print ("Error: wrong indices in video buffer. Maybe"+
" buffer too small.")
raise error
else:
ind = int(self.fps*t)
if ind<0 or ind> self.nframes: # out of time: return 0
return np.zeros(self.nchannels)
if not (0 <= (ind - self._fstart_buffer) <len(self.buffer)):
# out of the buffer: recenter the buffer
self._buffer_around(ind)
# read the frame in the buffer
return self.buffer[ind - self._fstart_buffer]
self.get_frame = gf
def __init__(self, make_frame = None, duration=None):
Clip.__init__(self)
if make_frame is not None:
self.make_frame = make_frame
frame0 = self.get_frame(0)
if hasattr(frame0, '__iter__'):
self.nchannels = len(list(frame0))
else:
self.nchannels = 1
if duration is not None:
self.duration = duration
self.end = duration
def __init__(self, make_frame=None, duration=None):
Clip.__init__(self)
if make_frame is not None:
self.make_frame = make_frame
frame0 = self.get_frame(0)
if hasattr(frame0, '__iter__'):
self.nchannels = len(list(frame0))
else:
self.nchannels = 1
if duration is not None:
self.duration = duration
self.end = duration
def __init__(self, filename, buffersize=200000, nbytes=2, fps=44100):
Clip.__init__(self)
self.filename = filename
self.reader = FFMPEG_AudioReader(filename,fps=fps,nbytes=nbytes)
self.fps = fps
self.duration = self.reader.duration
self.nframes = self.reader.nframes
self.buffersize= buffersize
self.buffer=None
self._fstart_buffer = 1
self._buffer_around(1)
self.nchannels = self.reader.nchannels
def gf(t):
bufsize = self.buffersize
if isinstance(t,np.ndarray):
# lazy implementation, but should not cause problems in
# 99.99 % of the cases
result = np.zeros((len(t),2))
in_time = (t>=0) & (t < self.duration)
inds = (self.fps*t+1).astype(int)[in_time]
f_tmin, f_tmax = inds.min(), inds.max()
if not (0 <= (f_tmin - self._fstart_buffer) < len(self.buffer)):
self._buffer_around(f_tmin)
elif not (0 <= (f_tmax - self._fstart_buffer) < len(self.buffer)):
self._buffer_around(f_tmax)
try:
result[in_time] = self.buffer[inds - self._fstart_buffer]
return result
except:
print ("Error: wrong indices in video buffer. Maybe"+
" buffer too small.")
raise
else:
ind = int(self.fps*t)+1
if ind<1 or ind> self.nframes: # out of time: return 0
return np.zeros(self.nchannels)
if not (0 <= (ind - self._fstart_buffer) <len(self.buffer)):
# out of the buffer: recenter the buffer
self._buffer_around(ind)
# read the frame in the buffer
return self.buffer[ind - self._fstart_buffer]
self.get_frame = gf
def __init__(
self, make_frame=None, ismask=False, duration=None, has_constant_size=True
):
Clip.__init__(self)
self.mask = None
self.audio = None
self.pos = lambda t: (0, 0)
self.relative_pos = False
if make_frame:
self.make_frame = make_frame
self.size = self.get_frame(0).shape[:2][::-1]
self.ismask = ismask
self.has_constant_size = has_constant_size
if duration is not None:
self.duration = duration
self.end = duration
def test_clip_copy(copy_func):
"""Clip must be copied with `.copy()` method, `copy.copy()` and
`copy.deepcopy()` (same behaviour).
"""
clip = Clip()
other_clip = Clip()
# shallow copy of clip
for attr in clip.__dict__:
setattr(clip, attr, "foo")
copied_clip = copy_func(clip)
# assert copied attributes
for attr in copied_clip.__dict__:
assert getattr(copied_clip, attr) == getattr(clip, attr)
# other instances are not edited
assert getattr(copied_clip, attr) != getattr(other_clip, attr)
def __init__(self, clips):
Clip.__init__(self)
self.clips = clips
ends = [c.end for c in self.clips]
if not any([(e is None) for e in ends]):
self.duration = max(ends)
def gf(t):
sounds= [c.get_frame(t - c.start)
for c in clips if c.is_playing(t)]
if isinstance(t,np.ndarray):
zero = np.zeros((len(t),2))
else:
zero = np.zeros(2)
return zero + sum(sounds)
self.get_frame = gf
def __init__(self, clips):
Clip.__init__(self)
self.clips = clips
ends = [c.end for c in self.clips]
if not any([(e is None) for e in ends]):
self.duration = max(ends)
def gf(t):
sounds= [c.get_frame(t - c.start)
for c in clips if c.is_playing(t)]
if isinstance(t,np.ndarray):
zero = np.zeros((len(t),2))
else:
zero = np.zeros(2)
return zero + sum(sounds)
self.get_frame = gf
def __init__(self):
Clip.__init__(self)
def __init__(self):
Clip.__init__(self)
def set_get_frame(self, gf):
newclip = Clip.set_get_frame(self, gf)
newclip.size = newclip.get_frame(0).shape[:2][::-1]
return newclip
def set_get_frame(self, gf):
newclip = Clip.set_get_frame(self, gf)
newclip.size = newclip.get_frame(0).shape[:2][::-1]
return newclip