app.py

import time

import os

import gradio as gr
import ffmpeg
import subprocess
from gradio import components

import tempfile

from pathlib import Path
from gradio import inputs

# Define File object
File = Path

# Define temp directory
temp_dir = tempfile.mkdtemp()

video_file = gr.inputs.File(label="Video File", type="file")
quality = gr.inputs.Dropdown(choices=["18", "23", "28", "32"], label="Quality", default="23")

def get_aspect_ratio(video_file):
  # Get the path to the ffprobe binary
  ffprobe_path = ffmpeg.probe_path()

  # Get the command to get the aspect ratio of the video
  ffprobe_command = f"{ffprobe_path} -show_entries stream=width,height -of compact=p=0:nk=1 {video_file}"

  # Run the command and get the output
  output = subprocess.check_output(ffprobe_command, shell=True).decode("utf-8")

  # Get the aspect ratio from the output
  aspect_ratio = output.split()[0].split(":")[1]

  return aspect_ratio

def convert_video(video_file: File, quality, aspect_ratio):
  if video_file is None:
    video_file = Path(video_url)

  # Get the original aspect ratio of the video
  original_aspect_ratio = get_aspect_ratio(video_file)

  # Check if the aspect ratio is already set
  if aspect_ratio == original_aspect_ratio:
    return video_file

  # Set the aspect ratio
  ffmpeg_command = f"ffmpeg -i {video_file} -c:v libx264 -crf {quality} -f mp4 -aspect {aspect_ratio} {video_file}"

  try:
    subprocess.run(ffmpeg_command, shell=True, timeout=10)
  except subprocess.TimeoutExpired:
    print("ffmpeg timed out")
    return None
  except FileNotFoundError:
    print("ffmpeg is not installed.")
    return None

  for i in range(10):
    if os.path.exists(video_file):
      break
    else:
      time.sleep(1)

  # The file has now been converted, so we can display it in the output viewer
  if os.path.exists(video_file):
    gr.components.Video(video_file)
  else:
    print("File does not exist.")

  # Create a temporary file to store the download link
  # with tempfile.NamedTemporaryFile(delete=False) as f:
  #   f.write(output_path.encode())
  #   download_link = f.name

  # Add a button to download the file
  # gr.components.HTML("""
  # <a href="{}" download="downloaded_file.mp4">Download</a>
  # """.format(download_link))

from gradio import outputs

gr.Interface(convert_video, inputs=[video_file, quality], outputs=[outputs.Video()]).launch(share=True)