feat: 新增代码

video_worker/app/utils/image_utils.py

@@ -0,0 +1,12 @@
+from pathlib import Path
+
+from PIL import Image, ImageDraw, ImageFont
+
+
+def make_dummy_frame(path: Path, width: int, height: int, text: str, step: int) -> None:
+    image = Image.new("RGB", (width, height), color=(25 + step * 5 % 200, 40, 60))
+    draw = ImageDraw.Draw(image)
+    font = ImageFont.load_default()
+    draw.text((16, 16), text, fill=(240, 240, 240), font=font)
+    draw.text((16, 38), f"frame={step}", fill=(220, 220, 220), font=font)
+    image.save(path, format="JPEG", quality=90)