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sensecap-watcher.json
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[
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"id": "a6ec996dc8d4208d",
"type": "subflow",
"name": "watcher-stt",
"info": "",
"category": "",
"in": [],
"out": [
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"x": 1760,
"y": 400,
"wires": [
{
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}
],
"env": [
{
"name": "RSP_TEXT",
"type": "str",
"value": "OK!"
},
{
"name": "RSP_AUDIO",
"type": "str",
"value": ""
}
],
"meta": {},
"color": "#DDAA99"
},
{
"id": "4b0eee312fed3a38",
"type": "http request",
"z": "a6ec996dc8d4208d",
"name": "ASR API Request",
"method": "POST",
"ret": "txt",
"paytoqs": "ignore",
"url": "http://host.docker.internal:9000/asr?encode=true&task=translate&language=en&word_timestamps=false&output=txt",
"tls": "",
"persist": false,
"proxy": "",
"insecureHTTPParser": false,
"authType": "",
"senderr": false,
"headers": [
{
"keyType": "Content-Type",
"keyValue": "",
"valueType": "other",
"valueValue": "multipart/form-data"
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{
"keyType": "Accept",
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"valueType": "other",
"valueValue": "application/json"
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{
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"type": "change",
"z": "a6ec996dc8d4208d",
"name": "Set payload",
"rules": [
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"p": "payload",
"pt": "msg",
"to": "{ \"audio_file\": { \"value\": msg.payload, \"options\": { \"filename\": \"temp.wav\", \"contentType\": \"audio/wav\" } } }",
"tot": "jsonata"
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],
"action": "",
"property": "",
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{
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"filename": "/tmp/stt/audio_stream.wav",
"filenameType": "str",
"appendNewline": false,
"createDir": true,
"overwriteFile": "true",
"encoding": "binary",
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{
"id": "344e40e7a732a989",
"type": "function",
"z": "a6ec996dc8d4208d",
"name": "Create WAV Header",
"func": "const numChannels = 1; // 单声道\nconst sampleRate = 16000; // 采样率\nconst bitsPerSample = 16; // 每个样本的位数\nconst byteRate = sampleRate * numChannels * bitsPerSample / 8;\nconst blockAlign = numChannels * bitsPerSample / 8;\nconst dataSize = msg.payload.length;\n\n// 创建 WAV 文件头部\nconst header = Buffer.alloc(44);\nheader.write('RIFF', 0); // ChunkID\nheader.writeUInt32LE(36 + dataSize, 4); // ChunkSize\nheader.write('WAVE', 8); // Format\nheader.write('fmt ', 12); // Subchunk1ID\nheader.writeUInt32LE(16, 16); // Subchunk1Size\nheader.writeUInt16LE(1, 20); // AudioFormat (1 = PCM)\nheader.writeUInt16LE(numChannels, 22); // NumChannels\nheader.writeUInt32LE(sampleRate, 24); // SampleRate\nheader.writeUInt32LE(byteRate, 28); // ByteRate\nheader.writeUInt16LE(blockAlign, 32); // BlockAlign\nheader.writeUInt16LE(bitsPerSample, 34); // BitsPerSample\nheader.write('data', 36); // Subchunk2ID\nheader.writeUInt32LE(dataSize, 40); // Subchunk2Size\n\n// 合并头部和音频数据\nmsg.payload = Buffer.concat([header, msg.payload]);\nreturn msg;",
"outputs": 1,
"timeout": "",
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
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"y": 400,
"wires": [
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{
"id": "22818511d293cc9d",
"type": "function",
"z": "a6ec996dc8d4208d",
"name": "Build JSON Response",
"func": "// 获取环境变量的值\nconst screenText = env.get(\"RSP_TEXT\");\n\n// 构建包含音频和 JSON 的响应\nconst jsonResponse = {\n \"code\": 200,\n \"msg\": \"\",\n \"data\": {\n \"mode\": 0,\n \"duration\": 1000,\n \"screen_text\": screenText, // 使用环境变量的值\n \"stt_result\": \"\",\n \"task_summary\": {}\n }\n};\n\n// 将 JSON 转换为 Buffer\nconst jsonBuffer = Buffer.from(JSON.stringify(jsonResponse), 'utf8');\n\n// 特殊分隔符\nconst boundary = Buffer.from('\\n---sensecraftboundary---\\n', 'utf8');\n\n// 将 JSON Buffer 和分隔符存储在 msg 中，以便在文件读取完成后使用\nmsg.jsonBuffer = jsonBuffer;\nmsg.boundary = boundary;\n\nreturn msg;\n",
"outputs": 1,
"timeout": "",
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 740,
"y": 560,
"wires": [
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},
{
"id": "da1cd537d1a56cc9",
"type": "function",
"z": "a6ec996dc8d4208d",
"name": "Check RSP_AUDIO",
"func": "const rspAudio = env.get(\"RSP_AUDIO\");\nif (rspAudio) {\n msg.payload.filename = rspAudio;\n return [msg, null];\n} else {\n // Generate silent audio\n const sampleRate = 16000;\n const toneDuration = 0.2; // 0.2 second per tone\n const silenceDuration = 0.1; // 0.1 second of silence between tones\n const frequency = 440; // A4 note\n const amplitude = 20000; // Reduced amplitude for 16-bit audio\n\n const toneSamples = sampleRate * toneDuration;\n const silenceSamples = sampleRate * silenceDuration;\n const numTones = 3;\n const numSamples = numTones * (toneSamples + silenceSamples) - silenceSamples;\n\n let buffer = Buffer.alloc(numSamples * 2); // 16-bit mono\n\n // Function to apply Hanning window\n function hanningWindow(index, totalSamples) {\n return 0.5 * (1 - Math.cos((2 * Math.PI * index) / (totalSamples - 1)));\n }\n\n for (let t = 0; t < numTones; t++) {\n for (let i = 0; i < toneSamples; i++) {\n let sampleIndex = t * (toneSamples + silenceSamples) + i;\n let window = hanningWindow(i, toneSamples);\n let sample = amplitude * window * Math.sin(2 * Math.PI * frequency * (i / sampleRate));\n buffer.writeInt16LE(sample, sampleIndex * 2);\n }\n }\n\n msg.payload = buffer;\n return [null, msg];\n}",
"outputs": 2,
"timeout": "",
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 980,
"y": 560,
"wires": [
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},
{
"id": "7c6ac802862984ea",
"type": "file in",
"z": "a6ec996dc8d4208d",
"name": "Read Audio File",
"filename": "payload.filename",
"filenameType": "msg",
"format": "",
"chunk": false,
"sendError": false,
"encoding": "none",
"allProps": false,
"x": 1260,
"y": 500,
"wires": [
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]
},
{
"id": "88564f7ca71a3616",
"type": "function",
"z": "a6ec996dc8d4208d",
"name": "Combine JSON and Audio",
"func": "// 读取音频文件内容\nconst audioBuffer = msg.payload;\n\n// 从 msg 中获取之前存储的 JSON Buffer 和分隔符\nconst jsonBuffer = msg.jsonBuffer;\nconst boundary = msg.boundary;\n\n// 生成 HTTP 响应\nmsg.payload = Buffer.concat([jsonBuffer, boundary, audioBuffer]);\nmsg.headers = { 'Content-Type': 'application/octet-stream' };\n\nreturn msg;\n",
"outputs": 1,
"timeout": "",
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 1520,
"y": 580,
"wires": [
[
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]
]
},
{
"id": "3e356d31b1124846",
"type": "http response",
"z": "a6ec996dc8d4208d",
"name": "",
"statusCode": "200",
"headers": {},
"x": 1800,
"y": 580,
"wires": []
},
{
"id": "336d4af7487f2429",
"type": "subflow",
"name": "watcher-take-pictures",
"info": "",
"category": "",
"in": [],
"out": [
{
"x": 980,
"y": 840,
"wires": [
{
"id": "5e72fad9417a86ce",
"port": 0
}
]
}
],
"env": [
{
"name": "RSP_TEXT",
"type": "str",
"value": "OK!"
},
{
"name": "RSP_AUDIO",
"type": "str",
"value": ""
},
{
"name": "PIC_DURATION",
"type": "str",
"value": "1"
}
],
"meta": {},
"color": "#DDAA99"
},
{
"id": "5a75c9e05d170858",
"type": "http in",
"z": "336d4af7487f2429",
"name": "",
"url": "/v2/watcher/talk/view_task_detail",
"method": "get",
"upload": false,
"swaggerDoc": "",
"x": 510,
"y": 660,
"wires": [
[
"8ef38b1bc19a1c21"
]
]
},
{
"id": "bb5684af2454b9d8",
"type": "http response",
"z": "336d4af7487f2429",
"name": "",
"statusCode": "200",
"headers": {},
"x": 1180,
"y": 660,
"wires": []
},
{
"id": "fd41a18cc0ba3963",
"type": "http in",
"z": "336d4af7487f2429",
"name": "",
"url": "/v1/watcher/vision",
"method": "post",
"upload": false,
"swaggerDoc": "",
"x": 470,
"y": 940,
"wires": [
[
"5e72fad9417a86ce"
]
]
},
{
"id": "5e72fad9417a86ce",
"type": "function",
"z": "336d4af7487f2429",
"name": "Parse Image",
"func": "// 解析请求参数\nlet payload = msg.payload;\nlet imgBase64 = payload.img;\n\n// 将 Base64 编码的图像存储到 msg.payload\nmsg.payload = imgBase64;\n\nreturn msg;",
"outputs": 1,
"timeout": "",
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 730,
"y": 940,
"wires": [
[
"511a11e641b282fd"
]
]
},
{
"id": "bd55cc75279cd3fe",
"type": "http response",
"z": "336d4af7487f2429",
"name": "",
"statusCode": "200",
"headers": {},
"x": 1140,
"y": 1000,
"wires": []
},
{
"id": "8ef38b1bc19a1c21",
"type": "function",
"z": "336d4af7487f2429",
"name": "Process Model Content",
"func": "let silence_duration = parseInt(env.get(\"PIC_DURATION\"), 10);\nsilence_duration = Math.max(silence_duration, 1);\n\nlet model_content = {};\nlet conditions = [];\n\n\nmsg.payload = {\n \"code\": 200,\n \"msg\": \"\",\n \"data\": {\n \"tl\": {\n \"tlid\": 1723771099517,\n \"ctd\": 1723771099517,\n \"tn\": \"watcher push to talk\",\n \"type\": 3,\n \"task_flow\": [\n {\n \"id\": 60516737,\n \"type\": \"ai camera\",\n \"type_id\": 0,\n \"index\": 0,\n \"vision\": \"0.0.1\",\n \"params\": {\n \"model_type\": 0,\n \"model\": {}, // 使用读取到的model字段内容或默认值\n \"modes\": 1,\n \"conditions\": conditions,\n \"conditions_combo\": 0,\n \"silent_period\": {\n \"time_period\": {\n \"repeat\": [\n 1,\n 1,\n 1,\n 1,\n 1,\n 1,\n 1\n ],\n \"time_start\": \"00:00:00\",\n \"time_end\": \"23:59:59\"\n },\n \"silence_duration\": silence_duration\n },\n \"output_type\": 1,\n \"shutter\": 0\n },\n \"wires\": [\n [\n 1582908678\n ]\n ]\n },\n {\n \"id\": 1582908678,\n \"type\": \"image analyzer\",\n \"type_id\": 3,\n \"index\": 1,\n \"version\": \"0.0.1\",\n \"params\": {\n \"url\": \"\",\n \"header\": \"\",\n \"body\": {\n \"prompt\": \"\",\n \"type\": 1,\n \"audio_txt\": \"\"\n }\n },\n \"wires\": []\n }\n ]\n }\n }\n};\n\nreturn msg;",
"outputs": 1,
"timeout": "",
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 870,
"y": 660,
"wires": [
[
"bb5684af2454b9d8",
"54c1dcecc2df8230"
]
]
},
{
"id": "511a11e641b282fd",
"type": "function",
"z": "336d4af7487f2429",
"name": "Build Response",
"func": "let image = msg.payload;\n\nmsg.payload = {\n \"code\": 200,\n \"msg\": \"\",\n \"data\": {\n \"state\": 0,// 0 不告警;1 告警\n \"audio\": \"\",\n \"img\": \"\",\n \"res\": \"\"\n }\n};\nreturn msg;",
"outputs": 1,
"timeout": "",
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 920,
"y": 1000,
"wires": [
[
"bd55cc75279cd3fe"
]
]
},
{
"id": "2a63eacac06cf3b7",
"type": "http in",
"z": "336d4af7487f2429",
"name": "",
"url": "/v2/watcher/talk/audio_stream",
"method": "post",
"upload": false,
"swaggerDoc": "",
"x": 500,
"y": 420,
"wires": [
[
"2b00ec4943d93347"
]
]
},
{
"id": "2b00ec4943d93347",
"type": "function",
"z": "336d4af7487f2429",
"name": "Build JSON Response",
"func": "// 获取环境变量的值\nconst screenText = env.get(\"RSP_TEXT\");\n\n// 构建包含音频和 JSON 的响应\nconst jsonResponse = {\n \"code\": 200,\n \"msg\": \"\",\n \"data\": {\n \"mode\": 2,\n \"duration\": 1000,\n \"screen_text\": screenText, // 使用环境变量的值\n \"stt_result\": \"\",\n \"task_summary\": {}\n }\n};\n\n// 将 JSON 转换为 Buffer\nconst jsonBuffer = Buffer.from(JSON.stringify(jsonResponse), 'utf8');\n\n// 特殊分隔符\nconst boundary = Buffer.from('\\n---sensecraftboundary---\\n', 'utf8');\n\n// 将 JSON Buffer 和分隔符存储在 msg 中，以便在文件读取完成后使用\nmsg.jsonBuffer = jsonBuffer;\nmsg.boundary = boundary;\n\nreturn msg;\n",
"outputs": 1,
"timeout": "",
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 780,
"y": 420,
"wires": [
[
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]
]
},
{
"id": "98098bcbc41b57bb",
"type": "function",
"z": "336d4af7487f2429",
"name": "Check RSP_AUDIO",
"func": "const rspAudio = env.get(\"RSP_AUDIO\");\nif (rspAudio) {\n msg.payload.filename = rspAudio;\n return [msg, null];\n} else {\n // Generate silent audio\n const sampleRate = 16000;\n const toneDuration = 0.2; // 0.2 second per tone\n const silenceDuration = 0.1; // 0.1 second of silence between tones\n const frequency = 440; // A4 note\n const amplitude = 20000; // Reduced amplitude for 16-bit audio\n\n const toneSamples = sampleRate * toneDuration;\n const silenceSamples = sampleRate * silenceDuration;\n const numTones = 3;\n const numSamples = numTones * (toneSamples + silenceSamples) - silenceSamples;\n\n let buffer = Buffer.alloc(numSamples * 2); // 16-bit mono\n\n // Function to apply Hanning window\n function hanningWindow(index, totalSamples) {\n return 0.5 * (1 - Math.cos((2 * Math.PI * index) / (totalSamples - 1)));\n }\n\n for (let t = 0; t < numTones; t++) {\n for (let i = 0; i < toneSamples; i++) {\n let sampleIndex = t * (toneSamples + silenceSamples) + i;\n let window = hanningWindow(i, toneSamples);\n let sample = amplitude * window * Math.sin(2 * Math.PI * frequency * (i / sampleRate));\n buffer.writeInt16LE(sample, sampleIndex * 2);\n }\n }\n\n msg.payload = buffer;\n return [null, msg];\n}",
"outputs": 2,
"timeout": "",
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 1020,
"y": 420,
"wires": [
[
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],
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]
},
{
"id": "a31c863abcdce1fa",
"type": "file in",
"z": "336d4af7487f2429",
"name": "Read Audio File",
"filename": "payload.filename",
"filenameType": "msg",
"format": "",
"chunk": false,
"sendError": false,
"encoding": "none",
"allProps": false,
"x": 1300,
"y": 360,
"wires": [
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]
},
{
"id": "1277fe454dd02788",
"type": "function",
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