Day 15 - Video to Thumbnails to GIF with Moviepy

Author: codingforentrepreneurs

tutorial-reference/Day 15/1_thumbs.py

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+from conf import SAMPLE_INPUTS, SAMPLE_OUTPUTS
+from moviepy.editor import *
+from PIL import Image
+
+source_path = os.path.join(SAMPLE_INPUTS, 'sample.mp4')
+thumbnail_dir = os.path.join(SAMPLE_OUTPUTS, "thumbnails")
+thumbnail_per_frame_dir = os.path.join(SAMPLE_OUTPUTS, "thumbnails-per-frame")
+thumbnail_per_half_second_dir = os.path.join(SAMPLE_OUTPUTS, "thumbnails-per-half-second")
+
+os.makedirs(thumbnail_dir, exist_ok=True)
+os.makedirs(thumbnail_per_frame_dir, exist_ok=True)
+os.makedirs(thumbnail_per_half_second_dir, exist_ok=True)
+
+
+clip = VideoFileClip(source_path)
+print(clip.reader.fps) # frames per second
+print(clip.reader.nframes)
+print(clip.duration) # seconds
+duration = clip.duration # clip.reader.duration
+max_duration = int(duration) + 1
+for i in range(0, max_duration):
+ frame = clip.get_frame(i)
+ # print(frame) # np.array numpy array # inference
+ new_img_filepath = os.path.join(thumbnail_dir, f"{i}.jpg")
+ # print(f"frame at {i} seconds saved at {new_img_filepath}")
+ new_img = Image.fromarray(frame)
+ new_img.save(new_img_filepath)
+
+
+
+print(clip.reader.fps) # frames per second
+print(clip.reader.nframes)
+
+fps = clip.reader.fps
+nframes = clip.reader.nframes
+seconds = nframes / (fps * 1.0)
+
+for i, frame in enumerate(clip.iter_frames()):
+ # print(frame) # np.array numpy array # inference
+ if i % fps == 0:
+ current_ms = int((i / fps) * 1000)
+ new_img_filepath = os.path.join(thumbnail_per_frame_dir, f"{current_ms}.jpg")
+ # print(f"frame at {i} seconds saved at {new_img_filepath}")
+ new_img = Image.fromarray(frame)
+ new_img.save(new_img_filepath)
+
+
+
+for i, frame in enumerate(clip.iter_frames()):
+ # print(frame) # np.array numpy array # inference
+ fphs = int(fps/2.0)
+ if i % fphs == 0:
+ current_ms = int((i / fps) * 1000)
+ new_img_filepath = os.path.join(thumbnail_per_half_second_dir, f"{current_ms}.jpg")
+ # print(f"frame at {i} seconds saved at {new_img_filepath}")
+ new_img = Image.fromarray(frame)
+ new_img.save(new_img_filepath)

tutorial-reference/Day 15/2_dir_to_vid.py

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+from conf import SAMPLE_INPUTS, SAMPLE_OUTPUTS
+from moviepy.editor import * # ImageClip
+from PIL import Image
+
+thumbnail_dir = os.path.join(SAMPLE_OUTPUTS, "thumbnails")
+thumbnail_per_frame_dir = os.path.join(SAMPLE_OUTPUTS, "thumbnails-per-frame")
+thumbnail_per_half_second_dir = os.path.join(SAMPLE_OUTPUTS, "thumbnails-per-half-second")
+output_video = os.path.join(SAMPLE_OUTPUTS, 'thumbs.mp4')
+
+
+this_dir = os.listdir(thumbnail_dir)
+filepaths = [os.path.join(thumbnail_dir, fname) for fname in this_dir if fname.endswith("jpg")]
+
+# filepaths = []
+# for fname in this_dir:
+# if fname.endswith("jpg"):
+# path = os.path.join(thumbnail_dir, fname)
+# filepaths.append(path)
+
+# print(filepaths)
+# clip = ImageSequenceClip(filepaths, fps=1)
+# clip.write_videofile(output_video)
+
+
+directory = {}
+
+for root, dirs, files in os.walk(thumbnail_per_frame_dir):
+ for fname in files:
+ filepath = os.path.join(root, fname)
+ try:
+ key = float(fname.replace(".jpg", ""))
+ except:
+ key = None
+ if key != None:
+ directory[key] = filepath
+
+new_paths = []
+for k in sorted(directory.keys()):
+ filepath = directory[k]
+ new_paths.append(filepath)
+
+# clip = ImageSequenceClip(new_paths, fps=10)
+# clip.write_videofile(output_video)
+
+my_clips = []
+for path in list(new_paths):
+ frame = ImageClip(path)
+ # print(frame.img) # numpy array
+ my_clips.append(frame.img)
+
+
+clip = ImageSequenceClip(my_clips, fps=22)
+clip.write_videofile(output_video)

tutorial-reference/Day 15/3_create_gif.py

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+from conf import SAMPLE_INPUTS, SAMPLE_OUTPUTS
+from moviepy.editor import * # ImageClip
+from PIL import Image
+from moviepy.video.fx.all import crop
+
+
+source_path = os.path.join(SAMPLE_INPUTS, 'sample.mp4')
+
+GIF_DIR = os.path.join(SAMPLE_OUTPUTS, "gifs")
+os.makedirs(GIF_DIR, exist_ok=True)
+
+output_path1 = os.path.join(GIF_DIR, 'sample1.gif')
+output_path2 = os.path.join(GIF_DIR, 'sample2.gif')
+
+clip = VideoFileClip(source_path)
+fps = clip.reader.fps
+subclip = clip.subclip(10, 20)
+subclip = subclip.resize(width=500)
+# subclip.write_gif(output_path1, fps=fps, program='ffmpeg')
+
+
+w, h = clip.size
+subclip2 = clip.subclip(10, 20)
+square_cropped_clip = crop(subclip2, width=320, height=320, x_center=w/2, y_center=h/2)
+
+# square_cropped_clip.write_gif(output_path2, fps=fps, program='ffmpeg')

tutorial-reference/Day 15/4_mix_audio.py

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+from conf import SAMPLE_INPUTS, SAMPLE_OUTPUTS
+from moviepy.editor import *
+from moviepy.audio.fx.all import volumex
+from PIL import Image
+
+source_path = os.path.join(SAMPLE_INPUTS, 'sample.mp4')
+source_audio_path = os.path.join(SAMPLE_INPUTS, 'audio.mp3')
+
+mix_audio_dir = os.path.join(SAMPLE_OUTPUTS, "mixed-audio")
+os.makedirs(mix_audio_dir, exist_ok=True)
+og_audio_path = os.path.join(mix_audio_dir, 'og.mp3')
+final_audio_path = os.path.join(mix_audio_dir, 'final-audio.mp3')
+final_video_path = os.path.join(mix_audio_dir, 'final-video.mp4')
+
+video_clip = VideoFileClip(source_path)
+
+original_audio = video_clip.audio
+original_audio.write_audiofile(og_audio_path)
+
+background_audio_clip = AudioFileClip(source_audio_path)
+bg_music = background_audio_clip.subclip(0, video_clip.duration)
+
+
+# bg_music = bg_music.fx(volumex, 0.10)
+bg_music = bg_music.volumex(0.10)
+# bg_music.write_audiofile()
+
+final_audio = CompositeAudioClip([original_audio, bg_music])
+final_audio.write_audiofile(final_audio_path, fps=original_audio.fps)
+
+
+# new_audio = AudioFileClip(final_audio_path)
+# final_clip = video_clip.set_audio(new_audio)
+
+final_clip = video_clip.set_audio(final_audio)
+final_clip.write_videofile(final_video_path, codec='libx264', audio_codec="aac")

tutorial-reference/Day 15/5_overlay_text.py

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+from conf import SAMPLE_INPUTS, SAMPLE_OUTPUTS
+from moviepy.editor import *
+from moviepy.audio.fx.all import volumex
+from PIL import Image
+
+source_path = os.path.join(SAMPLE_INPUTS, 'sample.mp4')
+source_audio_path = os.path.join(SAMPLE_INPUTS, 'audio.mp3')
+
+mix_audio_dir = os.path.join(SAMPLE_OUTPUTS, "mixed-audio")
+os.makedirs(mix_audio_dir, exist_ok=True)
+og_audio_path = os.path.join(mix_audio_dir, 'og.mp3')
+final_audio_path = os.path.join(mix_audio_dir, 'overlay-audio.mp3')
+final_video_path = os.path.join(mix_audio_dir, 'overlay-video.mp4')
+
+video_clip = VideoFileClip(source_path)
+
+original_audio = video_clip.audio
+original_audio.write_audiofile(og_audio_path)
+
+background_audio_clip = AudioFileClip(source_audio_path)
+# 
+w, h = video_clip.size
+fps = video_clip.fps
+
+intro_duration = 5
+intro_text = TextClip("Hello world!", fontsize=70, color='white', size=video_clip.size)
+intro_text = intro_text.set_duration(intro_duration)
+intro_text = intro_text.set_fps(fps)
+intro_text = intro_text.set_pos("center")
+
+intro_music = background_audio_clip.subclip(0, intro_duration)
+
+intro_text = intro_text.set_audio(intro_music)
+
+# intro_text.write_videofile(final_video_path)
+watermark_size = 60
+watermark_text = TextClip("CFE", fontsize=watermark_size, color='white', align='West', size=(w, watermark_size))
+watermark_text = watermark_text.set_fps(fps)
+watermark_text = watermark_text.set_duration(video_clip.reader.duration)
+watermark_text = watermark_text.margin(left=10, right=10, bottom=2, opacity=0)
+watermark_text = watermark_text.set_position(("bottom"))
+
+# cvc = CompositeVideoClip([watermark_text], size=video_clip.size)
+# cvc = cvc.set_duration(video_clip.reader.duration)
+# cvc = cvc.set_fps(fps)
+# cvc = cvc.set_audio(None)
+
+overlay_clip = CompositeVideoClip([video_clip, watermark_text], size=video_clip.size)
+overlay_clip = overlay_clip.set_duration(video_clip.reader.duration)
+overlay_clip = overlay_clip.set_fps(fps)
+overlay_clip = overlay_clip.set_audio(None)
+
+og_audio = AudioFileClip(og_audio_path)
+overlay_clip = overlay_clip.set_audio(og_audio)
+
+
+final_clip = concatenate_videoclips([intro_text, overlay_clip])
+final_clip.write_videofile(final_video_path, codec='libx264', audio_codec="aac")

tutorial-reference/Day 15/Pipfile

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+[[source]]
+name = "pypi"
+url = "https://pypi.org/simple"
+verify_ssl = true
+
+[dev-packages]
+
+[packages]
+moviepy = "*"
+pillow = "*"
+
+[requires]
+python_version = "3.8"

tutorial-reference/Day 15/conf.py

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+import os
+
+ABS_PATH = os.path.abspath(__file__)
+BASE_DIR = os.path.dirname(ABS_PATH)
+DATA_DIR = os.path.join(BASE_DIR, "data")
+SAMPLE_DIR = os.path.join(DATA_DIR, "samples")
+SAMPLE_INPUTS = os.path.join(SAMPLE_DIR, "inputs")
+SAMPLE_OUTPUTS = os.path.join(SAMPLE_DIR, 'outputs')