img_audio_merge.py

from moviepy.editor import *
import os

def merge_audio_image(mp3_path, image_path, output_dir, unique_id):
    # Load the image
    image_clip = ImageClip(image_path)
    
    # Load the audio
    audio_clip = AudioFileClip(mp3_path)
    
    # Set the duration of the image clip to match the audio duration
    image_clip = image_clip.set_duration(audio_clip.duration)
    
    # Resize the image clip to Instagram's square dimensions (1080, 1080)
    image_clip = image_clip.resize((1080, 1080))
    
    # Set the audio to the image clip
    final_clip = image_clip.set_audio(audio_clip)
    
    # Generate output file path
    output_path = os.path.join(output_dir, f"{unique_id}.mp4")
    
    # Write the output video file
    final_clip.write_videofile(output_path, codec='libx264', audio_codec='aac')
    
    return output_path

# Example usage:
def main():
    # Example paths (adjust as necessary)
    processed_audio_storage = {}
    unique_id = 'example_id'
    output_path1 = '/path/to/processed_audio.mp3'  # Replace with actual path
    processed_audio_storage[unique_id] = output_path1
    
    mp3_path = processed_audio_storage[unique_id]
    image_path = 'singer.jpg'  # Ensure this image is in the same directory as this script
    output_dir = './'  # Or specify a different directory
    
    # Generate MP4 and get the output path
    mp4_path = merge_audio_image(mp3_path, image_path, output_dir, unique_id)
    print(f"Generated video at: {mp4_path}")

if __name__ == '__main__':
    main()