def test_PR_528(util):
with ImageClip("media/vacation_2017.jpg") as clip:
new_clip = scroll(clip, w=1000, x_speed=50)
new_clip = new_clip.with_duration(0.2)
new_clip.fps = 24
new_clip.write_videofile(os.path.join(util.TMP_DIR, "pano.mp4"),
logger=None)
def panorama(clip, screensize, duration=None, speed=None, freeze_duration=1.5):
"""Makes image panorama of large images
It pans image from left to right since they are very wide
It works in two ways if duration is given it calculates speed to pan whole
panorama in given number of seconds. If speed is given it sets duration so
that whole pan will happen at given speed
Parameters
---------
clip
ImageClip (not resized)
screensize
Wanted (width, height) tuple
duration
If given wanted duration of pan
speed
Number of pixel of move per time unit (duration is calculated)
freeze_duration : float
Number of seconds to freeze before scroll and at the end
"""
#TODO: pause image at start and/or end for some time
print("DURATION", duration, "SPEED:", speed)
#FIXME: add workable assert
#assert duration is None or speed is None
clip = clip.fx(resize, height=screensize[1])
width = screensize[0]
if speed is not None:
clip = clip.set_duration((clip.w - width) / speed)
else:
clip = clip.set_duration(duration)
speed = (clip.w - width) / duration
scrolled = scroll(clip, w=width, x_speed=speed)
return concatenate_videoclips([
scrolled.to_ImageClip(0).set_duration(freeze_duration),
scrolled,
#FIXME: why is +1 actually needed without it there is no freeze at end
scrolled.to_ImageClip(scrolled.duration
).set_duration(freeze_duration + 1)
])
def test_PR_528():
with ImageClip("media/vacation_2017.jpg") as clip:
new_clip = scroll(clip, w=1000, x_speed=50)
new_clip = new_clip.set_duration(20)
new_clip.fps = 24
new_clip.write_videofile(os.path.join(TMP_DIR, "pano.mp4"))
def test_PR_528():
with ImageClip("media/vacation_2017.jpg") as clip:
new_clip = scroll(clip, w=1000, x_speed=50)
new_clip = new_clip.set_duration(1)
new_clip.fps = 24
new_clip.write_videofile(os.path.join(TMP_DIR, "pano.mp4"))
