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from moviepy.editor import VideoFileClip, AudioFileClip
from pydub import AudioSegment
import srt
import datetime
import ffmpeg
import os
import re
import random
def create_translated_video(original_video_path, translated_audio_path, translated_text_path, video_name, output_dir='./translated'):
# Load original video
video = VideoFileClip(original_video_path)
# Load TTS audio
new_audio = AudioFileClip(translated_audio_path)
video = video.set_audio(new_audio)
audio_segment = AudioSegment.from_file(translated_audio_path, format="wav")
# Check if new audio is shorter to pad with silence
if new_audio.duration < video.duration:
silence_duration = (video.duration - new_audio.duration) * 1000 # convert to milliseconds
silence_segment = AudioSegment.silent(duration=silence_duration)
audio_segment = audio_segment + silence_segment
padded_audio_path = os.path.join(output_dir, 'padded_audio.wav')
audio_segment.export(padded_audio_path, format='wav')
new_audio = AudioFileClip(padded_audio_path)
# Generate SRT content
def parse_translated_text(file_path):
with open(file_path, 'r') as file:
content = file.readlines()
subtitles = []
timestamp_pattern = re.compile(r'\[(\d+\.\d+)\-(\d+\.\d+)\]')
for line in content:
match = timestamp_pattern.match(line)
if match:
start_time = datetime.timedelta(seconds=float(match.group(1)))
end_time = datetime.timedelta(seconds=float(match.group(2)))
text = line[match.end():].strip()
subtitle = srt.Subtitle(index=len(subtitles)+1,
start=start_time,
end=end_time,
content=text)
subtitles.append(subtitle)
return srt.compose(subtitles)
# Generate SRT content
srt_content = parse_translated_text(translated_text_path)
# Write to an SRT file
srt_file = './translated/translated.srt'
with open(srt_file, 'w', encoding='utf-8') as file:
file.write(srt_content)
# Write final video temp file
temp = "./translated/temp.mp4"
video.write_videofile(temp)
# Add subtitles
ran = random.randint(1000,9999)
final_video_file = os.path.join(output_dir, f"{video_name}{ran}.mp4")
# Correct subtitle filter string for ffmpeg
subtitle_filter_str = f"subtitles='{srt_file}'"
try:
ffmpeg.input(temp).output(final_video_file, vf=subtitle_filter_str).run()
except ffmpeg.Error as e:
print(f"Error creating final video: {e}")
return None
# Remove temp file
os.remove(temp)
return final_video_file |