"# VisualHMI \u89c6\u9891\u64ad\u653e\uff1aplay_video\/on_video_notify \u4e0e\u683c\u5f0f\u8981\u6c42\n\n> 2026-08-04 | 2026-08-04\n> http:\/\/www.modbus.cn\/en\/51510.html\n\n**LUA \u811a\u672c, \u4e32\u53e3\u5c4f\/HMI \u5f00\u53d1**\n\n---\n\n\u5d4c\u5165\u5f0f\u89c6\u9891\u64ad\u653e\uff1aMP4\uff08H.264 + MP3\/AAC\uff09\uff0c\u5728\u6307\u5b9a\u5c4f\u5e55\u533a\u57df\u64ad\u653e\u3002\u9002\u5408\u64cd\u4f5c\u5f15\u5bfc\u3001\u4ea7\u54c1\u6f14\u793a\u3001\u5f00\u673a\u52a8\u753b\u3002\n\n## 1. \u89c6\u9891\u683c\u5f0f\u8981\u6c42\n\n\u9879\u76ee\u8981\u6c42\u683c\u5f0fMP4\uff08.mp4\uff09\u89c6\u9891\u7f16\u7801H.264\u97f3\u9891\u7f16\u7801MP3 \u6216 AAC\u6700\u5927\u5206\u8fa8\u73871280\u00d7768\uff08\u8d85\u8fc7\u4f1a\u5361\u987f\u6216\u65e0\u6cd5\u64ad\u653e\uff09\u6700\u5927\u5e27\u738730 fps\u6700\u5927\u7801\u73871400 kbps\n\n![\u89c6\u9891\u64ad\u653e](https:\/\/www.modbus.cn\/wp-content\/uploads\/2026\/08\/visualhmi\/lu014_1.png)\n\n## 2. API\n\n\u51fd\u6570\u8bf4\u660eplay_video(file, left, top, width, height)\u5728\u6307\u5b9a\u533a\u57df\u64ad\u653e\u89c6\u9891\uff08\u7edd\u5bf9\u8def\u5f84\uff09pause_video()\u6682\u505cresume_video()\u4ece\u6682\u505c\u4f4d\u7f6e\u7ee7\u7eedstop_video()\u505c\u6b62\u5e76\u91ca\u653e\u89e3\u7801\u8d44\u6e90\u3001\u6e05\u9664\u753b\u9762on_video_notify(msg, v1, v2)\u64ad\u653e\u72b6\u6001\u56de\u8c03\n\n## 3. \u64ad\u653e\u5668\u63a7\u4ef6\u5730\u5740\u8868\n\n\u5730\u5740\u7528\u9014LW1001\u4e0a\u4e00\u9996\/\u4e0b\u4e00\u9996\uff08LW1005=0 \u4e0d\u5141\u8bb8\u70b9\u51fb\uff09LW10020-\u6682\u505c \/ 1-\u7ee7\u7eed\u64ad\u653eLW1003 \/ LW1004\u5f53\u524d\u9875 \/ \u603b\u9875\u6570LW10051-SD \u6839\u76ee\u5f55\u6709\u89c6\u9891LW1100~LW1200\u89c6\u9891\u540d\u79f0\uff08128 \u5b57\u8282\uff09LW1240 \/ LW1250\u64ad\u653e\u5f53\u524d\u65f6\u95f4 \/ \u603b\u65f6\u95f4LW1006\u64ad\u653e\u8fdb\u5ea6\u6761\n\n## 4. \u6848\u4f8b\uff1a\u53d7\u63a7\u64ad\u653e + \u8fdb\u5ea6\u6761\n\n```\nfunction on_update(slave, vtype, addr)\n  if vtype == VT_LW then\n    if addr == 0x1002 then\n      local sw = get_uint16(VT_LW, 0x1002)\n      if sw == 1 then\n        play_video(\"1:\/video\/demo.mp4\", 0, 0, 800, 480)\n      else\n        pause_video()\n      end\n    end\n  end\nend\n\nfunction on_video_notify(msg, v1, v2)\n  -- msg: \u64ad\u653e\u72b6\u6001(\u5982 2=\u7ed3\u675f), v1\/v2: \u8fdb\u5ea6\/\u603b\u65f6\u957f\n  if msg == 2 then\n    stop_video()\n    set_uint16(VT_LW, 0x1002, 0)  -- \u590d\u4f4d\u64ad\u653e\u952e\n  end\nend\n```\n\n\u89c6\u9891\u7f16\u7801\u662f\u64ad\u653e\u6210\u8d25\u7684\u5173\u952e\uff1a**\u8f6c\u7801\u5de5\u5177\u5efa\u8bae\u7528 Freemake Video Converter\uff0c\u8f93\u51fa H.264 + MP3\/AAC\u3001\u5206\u8fa8\u7387 \u22641280\u00d7768\u3001\u7801\u7387 \u22641400kbps\u2014\u2014\u683c\u5f0f\u4e0d\u5bf9\u4e0d\u662f\u9ed1\u5c4f\u5c31\u662f\u5361\u987f**\u3002\n\n\u6574\u7406\u81ea \u5e7f\u5dde\u5927\u5f69\u79d1\u6280 VisualHMI \u5f00\u53d1\u6587\u6863\uff08hmi-doc.gz-dc.com\uff09LUA \u6559\u7a0b\u300c\u89c6\u9891\u64ad\u653e\u300d\uff0c\u7248\u6743\u5f52\u5927\u5f69\u79d1\u6280\u6240\u6709\u3002\n\n---\n*modbus.cn*\n"