Rename All Image Files In Folder Directory And FFMPEG Input To Convert To Slideshow Gif Or Video - Multithreaded Python Renamer

a.py

import os
import threading
import subprocess

# Set the directory containing the PNG files
directory = "C:/path/to/images"

# Set the prefix to use for the renamed files
prefix = "image_"

# Set the output video file name
output_file = "output.mp4"

# Set the frame rate of the output video
frame_rate = 25

# Function to rename a single file
def rename_file(filename):
    # Get the original file name without the extension
    basename = os.path.splitext(os.path.basename(filename))[0]
    # Rename the file with the specified prefix
    os.rename(filename, os.path.join(directory, prefix + basename + ".png"))

# Create a list of all PNG files in the directory
png_files = [filename for filename in os.listdir(directory) if filename.endswith(".png")]

# Rename all PNG files in the directory using multiple threads
threads = []
for filename in png_files:
    t = threading.Thread(target=rename_file, args=(os.path.join(directory, filename),))
    t.start()
    threads.append(t)
for t in threads:
    t.join()

# Create a list of all renamed PNG files in the directory
renamed_files = [filename for filename in os.listdir(directory) if filename.startswith(prefix) and filename.endswith(".png")]

# Create a list file containing the names of all renamed PNG files
with open("list.txt", "w") as f:
    for filename in sorted(renamed_files):
        f.write("file '{}'\n".format(os.path.join(directory, filename)))

# Use FFmpeg to create a video from the renamed PNG files
subprocess.call(["ffmpeg", "-f", "concat", "-safe", "0", "-i", "list.txt", "-framerate", str(frame_rate), output_file])