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from fastapi import FastAPI, UploadFile, File, HTTPException, Form |
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from fastapi.responses import FileResponse, HTMLResponse |
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from typing import Optional |
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from utils.process_video import process_video |
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import shutil, os |
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app = FastAPI() |
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@app.get("/") |
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async def root(): |
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return {"message": "Hello from multilang-asr-captioner"} |
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@app.get("/submit_video/") |
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async def get_form(): |
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html_content = """ |
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<html> |
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<body> |
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<form action="/process_video/" enctype="multipart/form-data" method="post"> |
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Video File: <input type="file" name="video_file"><br> |
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Subtitles File: <input type="file" name="srt_file"><br> |
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Max words per line: <input type="number" name="max_words_per_line" value="8"><br> |
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Font size: <input type="number" name="fontsize" value="36"><br> |
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Font: <input type="text" name="font" value="FuturaPTHeavy"><br> |
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Background color: <input type="text" name="bg_color" value="#070a13b3"><br> |
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Text color: <input type="text" name="text_color" value="white"><br> |
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<input type="submit"> |
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</form> |
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</body> |
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</html> |
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""" |
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return HTMLResponse(content=html_content) |
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@app.post("/process_video/") |
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async def process_video_api(video_file: UploadFile = File(...), |
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srt_file: Optional[UploadFile] = File(...), |
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max_words_per_line: Optional[int] = Form(8), |
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fontsize: Optional[int] = Form(36), |
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font: Optional[str] = Form("FuturaPTHeavy"), |
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bg_color: Optional[str] = Form("#070a13b3"), |
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text_color: Optional[str] = Form("white") |
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): |
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try: |
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if not str(video_file.filename).endswith('.mp4'): |
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raise HTTPException(status_code=400, detail="Invalid file type. Please upload an MP4 file.") |
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temp_dir = os.path.join(os.getcwd(),"temp") |
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os.makedirs(temp_dir, exist_ok=True) |
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temp_input_path = os.path.join(temp_dir, video_file.filename) |
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with open(temp_input_path, 'wb') as buffer: |
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try: |
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shutil.copyfileobj(video_file.file, buffer) |
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finally: |
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video_file.file.close() |
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if srt_file.size > 0: |
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SRT_PATH = os.path.abspath(f"{temp_input_path.split('.')[0]}.srt") |
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with open(SRT_PATH, 'wb') as buffer: |
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try: |
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shutil.copyfileobj(srt_file.file, buffer) |
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finally: |
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srt_file.file.close() |
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output_path = process_video(temp_input_path, SRT_PATH, max_words_per_line, fontsize, font, bg_color, text_color) |
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return FileResponse(output_path, media_type="video/mp4", filename=f"result_{video_file.filename}") |
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output_path = process_video(temp_input_path, None, max_words_per_line, fontsize, font, bg_color, text_color) |
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return FileResponse(output_path, media_type="video/mp4", filename=f"result_{video_file.filename}") |
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except Exception as e: |
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raise HTTPException(status_code=500, detail=str(e)) |
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