Utility Script forr Building Video Flashcards

videoflashcards.py

from moviepy.audio.io.AudioFileClip import AudioFileClip
from moviepy.editor import *
import subprrocess

def word_to_audio(word, outfile, voice="tessa"):
    """Yeah, this is gonna be mac only"""
    subprocess.call(["say", word, "-o", outfile, "-v", voice])

def audio_clip(outfile):
    return AudioFileClip(outfile)

def word_to_video_clip(word, fontsize=100, color="white"):
    return TextClip(word, color=color, font=font, fontsize=fontsize, kerning = 5)

def build_audio_clip(word, out_dir="cache"):
    outfile = os.path.join(out_dir, word + ".aiff")
    if not os.path.isfile(outfile):
        word_to_audio(word, outfile)
    return audio_clip(outfile)

def build_clip(word, out_dir="cache", spacing=0.25):
    audio = build_audio_clip(word, out_dir)
    video = word_to_video_clip(word)
    video = CompositeVideoClip([video.set_pos("center")], size=(720,460))
    video.fps=24
    video.duration = audio.duration + spacing
    return video.set_audio(audio)
  
# video.write_videofile can be used to save the resulting clip