9xcoder · March 22, 2024 04:21 · Jan 5, 2021 · Jan 5, 2021
diff --git a/moviepy-zoom-in-effect.py b/moviepy-zoom-in-effect.py
@@ -0,0 +1,57 @@
+import moviepy.editor as mp
+import math
+from PIL import Image
+import numpy
+
+
+def zoom_in_effect(clip, zoom_ratio=0.04):
+    def effect(get_frame, t):
+        img = Image.fromarray(get_frame(t))
+        base_size = img.size
+
+        new_size = [
+            math.ceil(img.size[0] * (1 + (zoom_ratio * t))),
+            math.ceil(img.size[1] * (1 + (zoom_ratio * t)))
+        ]
+
+        # The new dimensions must be even.
+        new_size[0] = new_size[0] + (new_size[0] % 2)
+        new_size[1] = new_size[1] + (new_size[1] % 2)
+
+        img = img.resize(new_size, Image.LANCZOS)
+
+        x = math.ceil((new_size[0] - base_size[0]) / 2)
+        y = math.ceil((new_size[1] - base_size[1]) / 2)
+
+        img = img.crop([
+            x, y, new_size[0] - x, new_size[1] - y
+        ]).resize(base_size, Image.LANCZOS)
+
+        result = numpy.array(img)
+        img.close()
+
+        return result
+
+    return clip.fl(effect)
+
+
+size = (1920, 1080)
+
+images = [
+    'https://www.colorado.edu/cumuseum/sites/default/files/styles/widescreen/public/slider/coachwhip2_1.jpg',
+    'https://www.colorado.edu/cumuseum/sites/default/files/styles/widescreen/public/slider/green2_1.jpg',
+    'https://www.colorado.edu/cumuseum/sites/default/files/styles/widescreen/public/slider/westterrgarter_1.jpg',
+    'https://www.colorado.edu/cumuseum/sites/default/files/styles/widescreen/public/slider/prairierattle4.jpg'
+]
+
+slides = []
+for n, url in enumerate(images):
+    slides.append(
+        mp.ImageClip(url).set_fps(25).set_duration(5).resize(size)
+    )
+
+    slides[n] = zoom_in_effect(slides[n], 0.04)
+
+
+video = mp.concatenate_videoclips(slides)
+video.write_videofile('zoomin.mp4')