RedditVideoMakerBot/video_creation/final_video.py

import os

from moviepy.editor import (VideoFileClip, AudioFileClip, ImageClip, concatenate_videoclips, concatenate_audioclips,
                            CompositeAudioClip, CompositeVideoClip)

from utils.cleanup import cleanup
from utils.console import print_step, print_substep

W, H = 1080, 1920


def make_final_video(number_of_clips):
    print_step("Creating the final video 🎥")
    VideoFileClip.reW = lambda clip: clip.resize(width=W)
    VideoFileClip.reH = lambda clip: clip.resize(width=H)

    background_clip = (
        VideoFileClip("assets/temp/backgrounds.mp4").without_audio().resize(height=H).crop(x1=1166.6, y1=0, x2=2246.6,
                                                                                           y2=1920))
    # Gather all audio clips
    audio_clips = []
    for i in range(0, number_of_clips):
        audio_clips.append(AudioFileClip(f"assets/temp/mp3/{i}.mp3"))
    audio_clips.insert(0, AudioFileClip(f"assets/temp/mp3/title.mp3"))
    audio_concat = concatenate_audioclips(audio_clips)
    audio_composite = CompositeAudioClip([audio_concat])

    # Gather all images
    image_clips = []
    for i in range(0, number_of_clips):
        image_clips.append(
            ImageClip(f"assets/temp/png/comment_{i}.png").set_duration(audio_clips[i + 1].duration).set_position(
                "center").resize(width=W - 100), )
    image_clips.insert(0, ImageClip(f"assets/temp/png/title.png").set_duration(audio_clips[0].duration).set_position(
        "center").resize(width=W - 100), )
    image_concat = concatenate_videoclips(image_clips).set_position(("center", "center"))
    image_concat.audio = audio_composite
    final = CompositeVideoClip([background_clip, image_concat])

    def get_video_title() -> str:
        title = os.getenv("VIDEO_TITLE") or "final_video"
        if len(title) <= 35:
            return title
        else:
            return title[0:30] + "..."

    final.write_videofile(f"assets/{get_video_title()}.mp4", fps=30, audio_codec="aac", audio_bitrate="192k")

    print_step("Removing temporary files 🗑")
    cleanups = cleanup()
    print_substep(f"Removed {cleanups} temporary files 🗑")

    print_step(f"Reddit title: {os.getenv('VIDEO_TITLE')} \n Background Credit: {os.getenv('background_credit')}")