from fastapi import FastAPI, UploadFile, File, HTTPException, Form from fastapi.responses import FileResponse, HTMLResponse from typing import Optional from utils.process_video import process_video from utils.zip_response import zip_response import shutil, os, logging logging.basicConfig(filename='main.log', encoding='utf-8', level=logging.DEBUG, format='%(asctime)s %(levelname)s %(message)s', datefmt='%m/%d/%Y %I:%M:%S %p') app = FastAPI() @app.get("/") async def root(): return {"message": "Hello from multilang-asr-captioner"} @app.get("/submit_video/") async def get_form(): html_content = """
Video File:
Subtitles File:
Max words per line:
Font size:
Font:
Background color:
Text color:
""" return HTMLResponse(content=html_content) @app.post("/process_video/") async def process_video_api(video_file: UploadFile = File(...), srt_file: Optional[UploadFile] = File(...), max_words_per_line: Optional[int] = Form(8), fontsize: Optional[int] = Form(36), font: Optional[str] = Form("FuturaPTHeavy"), bg_color: Optional[str] = Form("#070a13b3"), text_color: Optional[str] = Form("white") ): try: if not str(video_file.filename).endswith('.mp4'): raise HTTPException(status_code=400, detail="Invalid file type. Please upload an MP4 file.") logging.info("Creating temporary directories") temp_dir = os.path.join(os.getcwd(),"temp") os.makedirs(temp_dir, exist_ok=True) temp_vid_dir = os.path.join(temp_dir,video_file.filename.split('.')[0]) os.makedirs(temp_vid_dir, exist_ok=True) temp_input_path = os.path.join(temp_vid_dir, video_file.filename) logging.info("Copying video UploadFile to the temp_input_path") with open(temp_input_path, 'wb') as buffer: try: shutil.copyfileobj(video_file.file, buffer) finally: video_file.file.close() logging.info("Copying SRT UploadFile to the temp_input_path") if srt_file.size > 0: SRT_PATH = os.path.abspath(f"{temp_input_path.split('.')[0]}.srt") with open(SRT_PATH, 'wb') as buffer: try: shutil.copyfileobj(srt_file.file, buffer) finally: srt_file.file.close() logging.info("Processing the video...") output_path, srt_path = process_video(temp_input_path, SRT_PATH, max_words_per_line, fontsize, font, bg_color, text_color) logging.info("Archiving response...") zip_path = zip_response(os.path.join(temp_vid_dir,"archive.zip"), [output_path, srt_path]) return FileResponse(zip_path, media_type='application/zip', filename=f"result_{video_file.filename.split('.')[0]}.zip") logging.info("Processing the video...") output_path, srt_path = process_video(temp_input_path, None, max_words_per_line, fontsize, font, bg_color, text_color) logging.info("Archiving response...") zip_path = zip_response(os.path.join(temp_vid_dir,"archive.zip"), [output_path, srt_path]) return FileResponse(zip_path, media_type='application/zip', filename=f"result_{video_file.filename.split('.')[0]}.zip") except Exception as e: raise HTTPException(status_code=500, detail=str(e))