{"id":4186,"date":"2020-09-24T18:00:11","date_gmt":"2020-09-24T09:00:11","guid":{"rendered":"https:\/\/taki-lab.site\/bocci\/?p=4186"},"modified":"2020-09-24T08:58:13","modified_gmt":"2020-09-23T23:58:13","slug":"%e3%80%90%e3%83%a9%e3%82%ba%e3%83%91%e3%82%a4%e3%80%91%e3%83%97%e3%83%ad%e3%82%b0%e3%83%a9%e3%83%a0%e3%81%8b%e3%82%89%e3%82%ab%e3%83%a1%e3%83%a9%e3%81%a7%e5%8b%95%e7%94%bb%e6%92%ae%e5%bd%b1%e3%81%99","status":"publish","type":"post","link":"https:\/\/taki-lab.site\/bocci\/?p=4186","title":{"rendered":"\u3010\u30e9\u30ba\u30d1\u30a4\u3011\u30d7\u30ed\u30b0\u30e9\u30e0\u304b\u3089\u30ab\u30e1\u30e9\u3067\u52d5\u753b\u64ae\u5f71\u3059\u308b\u3002"},"content":{"rendered":"\n

\u4eca\u56de\u306f\u3055\u3089\u306bx\u30ad\u30fc\u3067\u52d5\u753b\u64ae\u5f71\u958b\u59cb\u30fb\u505c\u6b62\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u3053\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

from datetime import datetime\r\nimport cv2, os\r\n\r\ncap = cv2.VideoCapture(0)\r\nfourcc = cv2.VideoWriter_fourcc(*'XVID')\r\n\r\n\r\ndef main():\r\n\r\n  if cap == None:\r\n    return False\r\n\r\n  out = None\r\n  capture = False\r\n\r\n  while cap.isOpened():\r\n    # \u30ab\u30e1\u30e9\u304b\u3089\u6620\u50cf\u3092\u8aad\u307f\u8fbc\u3080\r\n    _, img = cap.read()\r\n\r\n    cv2.imshow(\"preview\", img)\r\n\r\n    if capture:\r\n      if out != None:\r\n        out.write(img)\r\n\r\n    key = cv2.waitKey(1)\r\n    if key == ord('z'):\r\n      cv2.imwrite(\"test.png\", img)\r\n    if key == ord('x'):\r\n      if not capture:\r\n        capture = True\r\n        out = cv2.VideoWriter('test.avi',fourcc, 20.0, (640,480))\r\n      else:\r\n        capture = False\r\n        out.release()\r\n        out = None\r\n    elif key < 255:\r\n      break\r\n\r\n  # \u4e8b\u5f8c\u51e6\u7406\r\n  cap.release()\r\n  if out != None:\r\n    out.release()\r\n  cv2.destroyAllWindows()\r\n\r\nif __name__ == '__main__':\r\n  main()\r\n  <\/code><\/pre>\n\n\n\n
\u4eca\u56de\u306f\u65b0\u3057\u304fVideoWriter_fourcc()\u3068\u3044\u3046\u306e\u304c\u51fa\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u5f15\u6570\u306e\u6587\u5b57\u5217\u306f\u52d5\u753b\u30b3\u30fc\u30c7\u30c3\u30af\u3092\u793a\u3057\u3066\u3044\u308b\u307f\u305f\u3044\u3067\u3059\u3002<\/p>\n\n\n\n
\u3088\u304f\u5206\u304b\u3089\u3093\u3051\u3069\u3002<\/p>\n\n\n\n
\u307e\u3041\u3001\u7d50\u5c40\u306f\u3053\u306e\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30da\u3057\u3066\u4f7f\u3046\u3093\u3060\u30fc<\/p>\n\n\n\n
\u203b\u3061\u306a\u307f\u306b\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30d6\u30ed\u30b0\u306b\u66f8\u3044\u305f\u308a\u3001gitHub\u306b\u3042\u3052\u3066\u3044\u308b\u306e\u306f\u3001\u5c31\u8077\u3057\u3066\u8077\u5834\u5185\u306b\u884c\u3063\u305f\u3068\u3057\u3066\u3082\u30b3\u30d4\u30da\u3057\u3066\u4f7f\u3048\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u3067\u3059\u3002<\/strong><\/p>\n\n\n\n
VideoWriter()\u3092\u3064\u304b\u3063\u3066\u52d5\u753b\u306b\u4fdd\u5b58\u3059\u308b\u305f\u3081\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u5f15\u6570\u306f\u3001\u52d5\u753b\u30d5\u30a1\u30a4\u30eb\u540d\u3001\u4e0a\u306efourCC\u3001\u30d5\u30ec\u30fc\u30e0\u30ec\u30fc\u30c8(fps)\u3001\u89e3\u50cf\u5ea6\u3067\u3059\u3002<\/p>\n\n\n\n
\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u305f\u3089\u3001\u30d5\u30ec\u30fc\u30e0\u30c7\u30fc\u30bf\u3092\u3053\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306bwrite()\u3067\u66f8\u304d\u8fbc\u3080\u3060\u3051\u3067\u3059\u3002<\/p>\n\n\n\n
\u4eca\u56de\u306fx\u30ad\u30fc\u3067\u9332\u753b\u958b\u59cb\u30fb\u505c\u6b62\u3092\u884c\u3046\u306e\u3067\u3001x\u30ad\u30fc\u30aa\u30f3\u30aa\u30d5\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u30fb\u89e3\u653e\u3092\u64cd\u4f5c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n