Create app.py

app.py

@@ -0,0 +1,75 @@
+import cv2
+import tempfile
+import subprocess
+import os
+from fastapi import FastAPI, UploadFile, File
+from fastapi.responses import FileResponse
+
+BLUR_W = 291
+BLUR_H = 84
+BLUR_KERNEL = (15, 15)
+TEXT = "nt-animes"
+FONT = cv2.FONT_HERSHEY_SIMPLEX
+FONT_SCALE = 0.4
+FONT_COLOR = (255, 255, 255)
+FONT_THICKNESS = 1
+TEXT_X = 8
+TEXT_Y = 10
+
+app = FastAPI(title="Video Blur + Text API")
+
+def blur_video(input_path):
+    tmp_video = tempfile.mktemp(suffix="_video.mp4")
+    final_video = tempfile.mktemp(suffix="_final.mp4")
+
+    cap = cv2.VideoCapture(input_path)
+    if not cap.isOpened():
+        raise RuntimeError("Cannot open video")
+
+    width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))
+    height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
+    fps = cap.get(cv2.CAP_PROP_FPS)
+
+    fourcc = cv2.VideoWriter_fourcc(*"mp4v")
+    out = cv2.VideoWriter(tmp_video, fourcc, fps, (width, height))
+
+    while True:
+        ret, frame = cap.read()
+        if not ret:
+            break
+
+        roi = frame[0:BLUR_H, 0:BLUR_W]
+        roi = cv2.GaussianBlur(roi, BLUR_KERNEL, 0)
+        frame[0:BLUR_H, 0:BLUR_W] = roi
+        cv2.putText(frame, TEXT, (TEXT_X, TEXT_Y), FONT, FONT_SCALE, FONT_COLOR, FONT_THICKNESS, cv2.LINE_AA)
+
+        out.write(frame)
+
+    cap.release()
+    out.release()
+
+    # Merge audio
+    subprocess.run([
+        "ffmpeg", "-y",
+        "-i", tmp_video,
+        "-i", input_path,
+        "-c:v", "copy",
+        "-c:a", "copy",
+        "-map", "0:v:0",
+        "-map", "1:a:0",
+        final_video
+    ], check=True)
+
+    return final_video
+
+@app.post("/blur")
+async def blur_endpoint(file: UploadFile = File(...)):
+    # Save uploaded file temporarily
+    tmp_input = tempfile.mktemp(suffix=".mp4")
+    with open(tmp_input, "wb") as f:
+        f.write(await file.read())
+
+    # Process video
+    output_path = blur_video(tmp_input)
+
+    return FileResponse(output_path, filename="blurred_video.mp4", media_type="video/mp4")