{"id":51510,"date":"2026-08-04T20:24:35","date_gmt":"2026-08-04T12:24:35","guid":{"rendered":"https:\/\/www.modbus.cn\/51510.html"},"modified":"2026-08-04T20:24:35","modified_gmt":"2026-08-04T12:24:35","slug":"visualhmi-%e8%a7%86%e9%a2%91%e6%92%ad%e6%94%be%ef%bc%9aplay_video-on_video_notify-%e4%b8%8e%e6%a0%bc%e5%bc%8f%e8%a6%81%e6%b1%82","status":"publish","type":"post","link":"http:\/\/www.modbus.cn\/en\/51510.html","title":{"rendered":"VisualHMI \u89c6\u9891\u64ad\u653e\uff1aplay_video\/on_video_notify \u4e0e\u683c\u5f0f\u8981\u6c42"},"content":{"rendered":"

\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<\/p>\n

1. \u89c6\u9891\u683c\u5f0f\u8981\u6c42<\/h2>\n\n\n\n\n\n\n\n\n
\u9879\u76ee<\/th>\n\u8981\u6c42<\/th>\n<\/tr>\n
\u683c\u5f0f<\/td>\nMP4\uff08.mp4\uff09<\/td>\n<\/tr>\n
\u89c6\u9891\u7f16\u7801<\/td>\nH.264<\/td>\n<\/tr>\n
\u97f3\u9891\u7f16\u7801<\/td>\nMP3 \u6216 AAC<\/td>\n<\/tr>\n
\u6700\u5927\u5206\u8fa8\u7387<\/td>\n1280\u00d7768\uff08\u8d85\u8fc7\u4f1a\u5361\u987f\u6216\u65e0\u6cd5\u64ad\u653e\uff09<\/td>\n<\/tr>\n
\u6700\u5927\u5e27\u7387<\/td>\n30 fps<\/td>\n<\/tr>\n
\u6700\u5927\u7801\u7387<\/td>\n1400 kbps<\/td>\n<\/tr>\n<\/table>\n

\"VisualHMI<\/p>\n

2. API<\/h2>\n\n\n\n\n\n\n\n
\u51fd\u6570<\/th>\n\u8bf4\u660e<\/th>\n<\/tr>\n
play_video(file, left, top, width, height)<\/td>\n\u5728\u6307\u5b9a\u533a\u57df\u64ad\u653e\u89c6\u9891\uff08\u7edd\u5bf9\u8def\u5f84\uff09<\/td>\n<\/tr>\n
pause_video()<\/td>\n\u6682\u505c<\/td>\n<\/tr>\n
resume_video()<\/td>\n\u4ece\u6682\u505c\u4f4d\u7f6e\u7ee7\u7eed<\/td>\n<\/tr>\n
stop_video()<\/td>\n\u505c\u6b62\u5e76\u91ca\u653e\u89e3\u7801\u8d44\u6e90\u3001\u6e05\u9664\u753b\u9762<\/td>\n<\/tr>\n
on_video_notify(msg, v1, v2)<\/td>\n\u64ad\u653e\u72b6\u6001\u56de\u8c03<\/td>\n<\/tr>\n<\/table>\n

3. \u64ad\u653e\u5668\u63a7\u4ef6\u5730\u5740\u8868<\/h2>\n\n\n\n\n\n\n\n\n\n
Address<\/th>\n\u7528\u9014<\/th>\n<\/tr>\n
LW1001<\/td>\n\u4e0a\u4e00\u9996\/\u4e0b\u4e00\u9996\uff08LW1005=0 \u4e0d\u5141\u8bb8\u70b9\u51fb\uff09<\/td>\n<\/tr>\n
LW1002<\/td>\n0-\u6682\u505c \/ 1-\u7ee7\u7eed\u64ad\u653e<\/td>\n<\/tr>\n
LW1003 \/ LW1004<\/td>\n\u5f53\u524d\u9875 \/ \u603b\u9875\u6570<\/td>\n<\/tr>\n
LW1005<\/td>\n1-SD \u6839\u76ee\u5f55\u6709\u89c6\u9891<\/td>\n<\/tr>\n
LW1100~LW1200<\/td>\n\u89c6\u9891\u540d\u79f0\uff08128 \u5b57\u8282\uff09<\/td>\n<\/tr>\n
LW1240 \/ LW1250<\/td>\n\u64ad\u653e\u5f53\u524d\u65f6\u95f4 \/ \u603b\u65f6\u95f4<\/td>\n<\/tr>\n
LW1006<\/td>\n\u64ad\u653e\u8fdb\u5ea6\u6761<\/td>\n<\/tr>\n<\/table>\n

4. \u6848\u4f8b\uff1a\u53d7\u63a7\u64ad\u653e + \u8fdb\u5ea6\u6761<\/h2>\n
function 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<\/pre>\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<\/strong>\u3002<\/div>\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<\/p>\n<\/span>","protected":false},"excerpt":{"rendered":"
\u5d4c\u5165\u5f0f\u89c6\u9891\u64ad\u653e\uff1aMP4\uff08H.264 + MP3\/AAC\uff09\uff0c\u5728…<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[3131,3126],"tags":[3367,3282,3368,3366,3134,3365],"class_list":["post-51510","post","type-post","status-publish","format-standard","hentry","category-hmi-lua","category-hmi-dev","tag-h-264","tag-mp4","tag-on_video_notify","tag-play_video","tag-visualhmi","tag-3365"],"_links":{"self":[{"href":"http:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/51510","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/comments?post=51510"}],"version-history":[{"count":0,"href":"http:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/51510\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/media?parent=51510"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/categories?post=51510"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/tags?post=51510"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}