Video streaming 节点红色html5流媒体视频
我对node red和javascript都是新手，我希望有人能帮助我。我一直在尝试使用node red流式传输视频。我已使用此流成功显示图像Video streaming 节点红色html5流媒体视频,video-streaming,node-red,Video Streaming,Node Red,我对node red和javascript都是新手，我希望有人能帮助我。我一直在尝试使用node red流式传输视频。我已使用此流成功显示图像 [{ "id": "c2701738.8bfcb", "type": "http response", "z": "6a1a7f76.b846d8", "name": "", "statusCode": "", "headers": {}, "x": 1118.170166015625, "
[{
"id": "c2701738.8bfcb",
"type": "http response",
"z": "6a1a7f76.b846d8",
"name": "",
"statusCode": "",
"headers": {},
"x": 1118.170166015625,
"y": 3207,
"wires": []
},
{
"id": "4d34db55.ad8834",
"type": "function",
"z": "6a1a7f76.b846d8",
"name": "Set Content-Type header",
"func": "msg.headers = { \"Content-Type\":\"image/png\"};\nreturn msg;",
"outputs": 1,
"noerr": 0,
"x": 882.170166015625,
"y": 3207,
"wires": [
["c2701738.8bfcb"]
]
}, {
"id": "21504cc0.71adcc",
"type": "http in",
"z": "6a1a7f76.b846d8",
"name": "",
"url": "/image1",
"method": "get",
"upload": false,
"swaggerDoc": "",
"x": 145.17022705078125,
"y": 3206,
"wires": [
["aa24fb51.7861f"]
]
}, {
"id": "aa24fb51.7861f",
"type": "file in",
"z": "6a1a7f76.b846d8",
"name": "Picture Selector",
"filename": "/home/pi/.node-red/lee.png",
"format": "",
"sendError": true,
"x": 596.1702270507812,
"y": 3207.000244140625,
"wires": [
["4d34db55.ad8834"]
]
}
]
[{
"id": "47af46de.9382d8",
"type": "http in",
"z": "6a1a7f76.b846d8",
"name": "",
"url": "/video3",
"method": "get",
"upload": false,
"swaggerDoc": "",
"x": 139,
"y": 3369,
"wires": [
["9da4e018.797ce8"]
]
}, {
"id": "f7318675.c876a",
"type": "function",
"z": "6a1a7f76.b846d8",
"name": "Set Content-Type header",
"func": "msg.headers = { \"Content-Type\":\"video/mp4\"};\nreturn msg;",
"outputs": 1,
"noerr": 0,
"x": 869.9999389648438,
"y": 3370,
"wires": [
["2e33de98.3a55da"]
]
}, {
"id": "2e33de98.3a55da",
"type": "http response",
"z": "6a1a7f76.b846d8",
"name": "",
"statusCode": "",
"headers": {},
"x": 1110.9999389648438,
"y": 3371,
"wires": []
}, {
"id": "9da4e018.797ce8",
"type": "file in",
"z": "6a1a7f76.b846d8",
"name": "Video Selector",
"filename": "/home/pi/.node-red/1.mp4",
"format": "stream",
"sendError": false,
"x": 592,
"y": 3369.000244140625,
"wires": [
["f7318675.c876a"]
]
}]
[{
"id": "28aa7076.b2c0e",
"type": "http in",
"z": "6a1a7f76.b846d8",
"name": "",
"url": "/video4",
"method": "get",
"upload": false,
"swaggerDoc": "",
"x": 145,
"y": 3525,
"wires": [
["898878ed.61ff48"]
]
}, {
"id": "866daf6f.5eb068",
"type": "http response",
"z": "6a1a7f76.b846d8",
"name": "",
"statusCode": "",
"headers": {},
"x": 874.5,
"y": 3528,
"wires": []
}, {
"id": "a1babcbf.9ecac8",
"type": "template",
"z": "6a1a7f76.b846d8",
"name": "",
"field": "payload",
"fieldType": "msg",
"format": "handlebars",
"syntax": "mustache",
"template": "<!DOCTYPE html>\n<html>\n<body>\n\n<video width=\"640\" height=\"480\" autoplay>\n <source src=\"{{msg.payload}}\" type=\"video/mp4\">\n Your browser does not support the video tag.\n</video>\n\n</body>\n</html>\n\n",
"output": "str",
"x": 732,
"y": 3528,
"wires": [
["866daf6f.5eb068"]
]
}, {
"id": "898878ed.61ff48",
"type": "file in",
"z": "6a1a7f76.b846d8",
"name": "videoSelector",
"filename": "/home/pi/.node-red/1.mp4",
"format": "stream",
"sendError": true,
"x": 483,
"y": 3528,
"wires": [
["a1babcbf.9ecac8"]
]
}]
[{
“id”：“28aa7076.b2c0e”，
“类型”：“http输入”，
“z”：“6a1a7f76.b846d8”，
“名称”：“，
“url”：“/video4”，
“方法”：“获取”，
“上传”：false，
“大摇大摆的医生”：“，
“x”：145，
“y”：3525，
“电线”：[
[“898878ed.61ff48”]
]
}, {
“id”：“866daf6f.5eb068”，
“类型”：“http响应”，
“z”：“6a1a7f76.b846d8”，
“名称”：“，
“状态代码”：“，
“标题”：{}，
“x”：874.5，
“y”：3528，
“电线”：[]
}, {
“id”：“a1babcbf.9ecac8”，
“类型”：“模板”，
“z”：“6a1a7f76.b846d8”，
“名称”：“，
“字段”：“有效载荷”，
“字段类型”：“msg”，
“格式”：“把手”，
“语法”：“胡须”，
“模板”：“\n\n\n\n\n\n您的浏览器不支持视频标记。\n\n\n\n\n\n”，
“输出”：“str”，
“x”：732，
“y”：3528，
“电线”：[
[“866daf6f.5eb068”]
]
}, {
“id”：“898878ed.61ff48”，
“类型”：“文件输入”，
“z”：“6a1a7f76.b846d8”，
“名称”：“视频选择器”，
“文件名”：“/home/pi/.node red/1.mp4”，
“格式”：“流”，
“sendError”：正确，
“x”：483，
“y”：3528，
“电线”：[
[“a1babcbf.9ecac8”]
]
}]
Mike您不能将流模式与
http inhttp response文件会为文件的每个区块创建新消息
尝试buffer
模式。使用节点红色中的文件节点只会给我以下选择：单个utf8字符串、每行一条消息、单个缓冲区对象和缓冲区流。我尝试使用两个缓冲区选项。单个缓冲区对象没有任何作用。页面只是继续加载，从不停止，并且不显示任何消息。缓冲区流是给出“无响应对象”消息的流。您不能使用缓冲区流。单个缓冲区应该可以工作。视频有多大？浏览器开发工具中的“网络”选项卡显示了什么？