Node-Red RTSP live camera stream to dashboard with push button Start/Stop streams and MQTT controls

I have to thank a few contributors for helping me accomplish this project.
@kevinGodell @BartButenaers @krambriw

[
    {
        "id": "c34b35cafc7aaf75",
        "type": "tab",
        "label": "Flow 3",
        "disabled": false,
        "info": "",
        "env": []
    },
    {
        "id": "39c24b665bba99a1",
        "type": "inject",
        "z": "c34b35cafc7aaf75",
        "name": "start",
        "props": [
            {
                "p": "action",
                "v": "{\"command\":\"start\"}",
                "vt": "json"
            }
        ],
        "repeat": "",
        "crontab": "",
        "once": false,
        "onceDelay": "5",
        "topic": "",
        "x": 590,
        "y": 560,
        "wires": [
            [
                "29fb58950968de1c"
            ]
        ]
    },
    {
        "id": "19eeba1bf3a23766",
        "type": "inject",
        "z": "c34b35cafc7aaf75",
        "name": "restart",
        "props": [
            {
                "p": "action",
                "v": "{\"command\":\"restart\"}",
                "vt": "json"
            }
        ],
        "repeat": "",
        "crontab": "",
        "once": false,
        "onceDelay": "1",
        "topic": "",
        "x": 590,
        "y": 620,
        "wires": [
            [
                "29fb58950968de1c"
            ]
        ]
    },
    {
        "id": "b30d05e78c8e5150",
        "type": "inject",
        "z": "c34b35cafc7aaf75",
        "name": "stop",
        "props": [
            {
                "p": "action",
                "v": "{\"command\":\"stop\"}",
                "vt": "json"
            }
        ],
        "repeat": "",
        "crontab": "",
        "once": false,
        "onceDelay": 0.1,
        "topic": "",
        "x": 590,
        "y": 680,
        "wires": [
            [
                "29fb58950968de1c"
            ]
        ]
    },
    {
        "id": "29fb58950968de1c",
        "type": "ffmpeg-spawn",
        "z": "c34b35cafc7aaf75",
        "name": "",
        "outputs": 2,
        "cmdPath": "",
        "cmdArgs": "[\"-rtsp_transport\",\"tcp\",\"-i\",\"rtsp://uname:passwd@IPAddress:554\",\"-an\",\"-c:v\",\"copy\",\"-f\",\"mp4\",\"-movflags\",\"+frag_keyframe+empty_moov+default_base_moof\",\"pipe:1\"]",
        "cmdOutputs": 1,
        "killSignal": "SIGTERM",
        "credentials": {
            "secret": ""
        },
        "x": 1120,
        "y": 540,
        "wires": [
            [
                "e2bf230f04712e1b",
                "38156ec072cd8a3c"
            ],
            [
                "e2bf230f04712e1b"
            ]
        ]
    },
    {
        "id": "e2bf230f04712e1b",
        "type": "mp4frag",
        "z": "c34b35cafc7aaf75",
        "name": "",
        "outputs": 2,
        "hlsPlaylistSize": "10",
        "hlsPlaylistExtra": "5",
        "basePath": "id",
        "repeated": "false",
        "timeLimit": "100000",
        "preBuffer": "1",
        "autoStart": "false",
        "statusLocation": "displayed",
        "x": 1220,
        "y": 660,
        "wires": [
            [
                "3072c44f39c622dd"
            ],
            []
        ]
    },
    {
        "id": "3072c44f39c622dd",
        "type": "ui_mp4frag",
        "z": "c34b35cafc7aaf75",
        "name": "",
        "group": "da0ca243d2d46654",
        "order": 2,
        "width": "16",
        "height": "16",
        "readyPoster": 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        "errorPoster": 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        "hlsJsConfig": "{\"liveDurationInfinity\":true,\"liveBackBufferLength\":5,\"maxBufferLength\":10,\"manifestLoadingTimeOut\":1000,\"manifestLoadingMaxRetry\":10,\"manifestLoadingRetryDelay\":500}",
        "autoplay": "true",
        "unload": "true",
        "threshold": "0.1",
        "controls": "false",
        "muted": "true",
        "players": [
            "socket.io",
            "hls.js",
            "hls",
            "mp4"
        ],
        "x": 1410,
        "y": 760,
        "wires": [
            []
        ]
    },
    {
        "id": "9a843c9cc709b2f6",
        "type": "mqtt in",
        "z": "c34b35cafc7aaf75",
        "name": "Cam2",
        "topic": "",
        "qos": "2",
        "datatype": "auto-detect",
        "broker": "",
        "nl": false,
        "rap": true,
        "rh": 0,
        "inputs": 0,
        "x": 250,
        "y": 420,
        "wires": [
            [
                "7c9462cf99e9a876",
                "5693167dbc67f302"
            ]
        ]
    },
    {
        "id": "7c9462cf99e9a876",
        "type": "debug",
        "z": "c34b35cafc7aaf75",
        "name": "debug 3",
        "active": true,
        "tosidebar": true,
        "console": false,
        "tostatus": false,
        "complete": "true",
        "targetType": "full",
        "statusVal": "",
        "statusType": "auto",
        "x": 580,
        "y": 280,
        "wires": []
    },
    {
        "id": "5693167dbc67f302",
        "type": "change",
        "z": "c34b35cafc7aaf75",
        "name": "",
        "rules": [
            {
                "t": "move",
                "p": "payload",
                "pt": "msg",
                "to": "action",
                "tot": "msg"
            }
        ],
        "action": "",
        "property": "",
        "from": "",
        "to": "",
        "reg": false,
        "x": 470,
        "y": 420,
        "wires": [
            [
                "b343a2c1d83c2ba8"
            ]
        ]
    },
    {
        "id": "b343a2c1d83c2ba8",
        "type": "switch",
        "z": "c34b35cafc7aaf75",
        "name": "",
        "property": "action.command",
        "propertyType": "msg",
        "rules": [
            {
                "t": "cont",
                "v": "start",
                "vt": "str"
            },
            {
                "t": "cont",
                "v": "stop",
                "vt": "str"
            }
        ],
        "checkall": "true",
        "repair": false,
        "outputs": 2,
        "x": 650,
        "y": 420,
        "wires": [
            [
                "7951127195dee0f7"
            ],
            [
                "4a45ccc0afb2429e"
            ]
        ]
    },
    {
        "id": "7951127195dee0f7",
        "type": "change",
        "z": "c34b35cafc7aaf75",
        "name": "",
        "rules": [
            {
                "t": "set",
                "p": "action",
                "pt": "msg",
                "to": "{\"command\":\"start\"}",
                "tot": "json"
            }
        ],
        "action": "",
        "property": "",
        "from": "",
        "to": "",
        "reg": false,
        "x": 820,
        "y": 380,
        "wires": [
            [
                "29fb58950968de1c"
            ]
        ]
    },
    {
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        "type": "change",
        "z": "c34b35cafc7aaf75",
        "name": "",
        "rules": [
            {
                "t": "set",
                "p": "action",
                "pt": "msg",
                "to": "{\"command\":\"stop\"}",
                "tot": "json"
            }
        ],
        "action": "",
        "property": "",
        "from": "",
        "to": "",
        "reg": false,
        "x": 820,
        "y": 480,
        "wires": [
            [
                "29fb58950968de1c"
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        ]
    },
    {
        "id": "38156ec072cd8a3c",
        "type": "mqtt out",
        "z": "c34b35cafc7aaf75",
        "name": "ON/OFF",
        "topic": "bbanzai/kit/1/cam/2",
        "qos": "",
        "retain": "",
        "respTopic": "",
        "contentType": "",
        "userProps": "",
        "correl": "",
        "expiry": "",
        "broker": "",
        "x": 1340,
        "y": 480,
        "wires": []
    },
    {
        "id": "0f712c7cc74ee440",
        "type": "ui_button",
        "z": "c34b35cafc7aaf75",
        "name": "",
        "group": "da0ca243d2d46654",
        "order": 1,
        "width": "5",
        "height": "2",
        "passthru": false,
        "label": "START STREAM",
        "tooltip": "",
        "color": "",
        "bgcolor": "",
        "className": "",
        "icon": "",
        "payload": "{\"command\":\"start\"}",
        "payloadType": "json",
        "topic": "action",
        "topicType": "msg",
        "x": 590,
        "y": 360,
        "wires": [
            [
                "7951127195dee0f7"
            ]
        ]
    },
    {
        "id": "7076579277bddaa4",
        "type": "ui_button",
        "z": "c34b35cafc7aaf75",
        "name": "",
        "group": "da0ca243d2d46654",
        "order": 1,
        "width": "5",
        "height": "2",
        "passthru": false,
        "label": "STOP STREAM",
        "tooltip": "",
        "color": "",
        "bgcolor": "",
        "className": "",
        "icon": "",
        "payload": "{\"command\":\"stop\"}",
        "payloadType": "json",
        "topic": "action",
        "topicType": "msg",
        "x": 580,
        "y": 500,
        "wires": [
            [
                "4a45ccc0afb2429e"
            ]
        ]
    },
    {
        "id": "da0ca243d2d46654",
        "type": "ui_group",
        "name": "Group 1",
        "tab": "f51158cf17eb8e52",
        "order": 1,
        "disp": true,
        "width": "16",
        "collapse": false,
        "className": ""
    },
    {
        "id": "f51158cf17eb8e52",
        "type": "ui_tab",
        "name": "Test",
        "icon": "dashboard",
        "order": 1,
        "disabled": false,
        "hidden": false
    }
]

To run this make sure that you enter your mqtt broker and when running the mqtt commands, I had to run the json command "start" and "stop"

3 Likes

Might be a good idea to let people know how to install the non-core nodes used in this flow.

1 Like

Good point and even better idea, because that was something I definitely struggled with in the beginning.

The unfamiliar nodes that I used in this project are credited to the development by @kevinGodell ...@BartButenaers also has an rtsp streaming node that I'm still testing out, but it's a great choice as well!

If you take a look at this reply from @kevinGodell on my initial post for search for help with this project, Kevin explains the download and install procedures of his nodes. I can not take any credit for this process, as you will see if you follow this link, I had install issues, and did not follow Kevin's instructions to the T.

Key take a ways:
Install GIT
Install Ffmpeg and have it running when trying to use the nodes

1 Like

git is installed on my raspy.
according to the link you provide I tried to install the rest like this and it failed. Any idea on that ?

pi@raspi4B:~/.node-red $ npm install kevinGodell/node-red-contrib-ffmpeg-spawn kevinGodell/node-red-contrib-mp4frag kevinGodell/node-red-contrib-ui-mp4frag
npm WARN old lockfile 
npm WARN old lockfile The package-lock.json file was created with an old version of npm,
npm WARN old lockfile so supplemental metadata must be fetched from the registry.
npm WARN old lockfile 
npm WARN old lockfile This is a one-time fix-up, please be patient...
npm WARN old lockfile 
npm ERR! code ERESOLVE
npm ERR! ERESOLVE could not resolve
npm ERR! 
npm ERR! While resolving: node-red-contrib-ifttt-broker@0.2.6
npm ERR! Found: node-red-dashboard@3.1.7
npm ERR! node_modules/node-red-dashboard
npm ERR!   peer node-red-dashboard@">=2.23.3" from node-red-contrib-ui-led@0.4.11
npm ERR!   node_modules/node-red-contrib-ui-led
npm ERR!     node-red-contrib-ui-led@"~0.4.11" from the root project
npm ERR!   peer node-red-dashboard@">2.15.0" from node-red-contrib-ui-iro-color-picker@0.1.6
npm ERR!   node_modules/node-red-contrib-ui-iro-color-picker
npm ERR!     node-red-contrib-ui-iro-color-picker@"~0.1.6" from the root project
npm ERR!   4 more (node-red-contrib-ui-reef, node-red-node-ui-table, ...)
npm ERR! 
npm ERR! Could not resolve dependency:
npm ERR! peer node-red-dashboard@"2.23.x" from node-red-contrib-ifttt-broker@0.2.6
npm ERR! node_modules/node-red-contrib-ifttt-broker
npm ERR!   node-red-contrib-ifttt-broker@"~0.2.6" from the root project
npm ERR! 
npm ERR! Conflicting peer dependency: node-red-dashboard@2.23.5
npm ERR! node_modules/node-red-dashboard
npm ERR!   peer node-red-dashboard@"2.23.x" from node-red-contrib-ifttt-broker@0.2.6
npm ERR!   node_modules/node-red-contrib-ifttt-broker
npm ERR!     node-red-contrib-ifttt-broker@"~0.2.6" from the root project
npm ERR! 
npm ERR! Fix the upstream dependency conflict, or retry
npm ERR! this command with --force, or --legacy-peer-deps
npm ERR! to accept an incorrect (and potentially broken) dependency resolution.
npm ERR! 
npm ERR! See /home/pi/.npm/eresolve-report.txt for a full report.

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/pi/.npm/_logs/2022-09-02T17_39_06_261Z-debug-0.log

The problem is with that node. It will not install with the latest version of node-red-dashboard.

1 Like

Try running this first, which should install the problem node, ignoring the peer dependecy issue
npm install --legacy-peer-deps node-red-contrib-ifttt-broker
Do the same with any others that show the same problem. Then try kevin's nodes again.

1 Like

thx, you were right. I later tried to update some installed npm modules of node-red directory and all failed :frowning:
I tried your fix:

pi@raspi4B:~/.node-red $ npm install --legacy-peer-deps node-red-contrib-ifttt-broker
npm WARN EBADENGINE Unsupported engine {
npm WARN EBADENGINE   package: 'node-strophe@2.0.0',
npm WARN EBADENGINE   required: { node: '^4.0.0' },
npm WARN EBADENGINE   current: { node: 'v16.16.0', npm: '8.11.0' }
npm WARN EBADENGINE }

up to date, audited 1938 packages in 29s

107 packages are looking for funding
  run `npm fund` for details

64 vulnerabilities (5 low, 28 moderate, 26 high, 5 critical)

To address issues that do not require attention, run:
  npm audit fix

To address all issues possible (including breaking changes), run:
  npm audit fix --force

Some issues need review, and may require choosing
a different dependency.

Run `npm audit` for details.
pi@raspi4B:~/.node-red $ 

I tried but it did only work to install kevin´s nodes after removing the module. I still can not install / update modules by node-red menu. The error when tying to update node-red-contrib-tts-ultimate is:

2022-09-03T14:35:38.761Z Install : node-red-contrib-tts-ultimate 1.0.51

2022-09-03T14:35:38.583Z npm install --no-audit --no-update-notifier --no-fund --save --save-prefix=~ --production --engine-strict node-red-contrib-tts-ultimate@1.0.51
2022-09-03T14:35:39.852Z [err] npm
2022-09-03T14:35:39.853Z [err]  WARN
2022-09-03T14:35:39.854Z [err]  config production Use `--omit=dev` instead.
2022-09-03T14:35:53.801Z [err] npm
2022-09-03T14:35:53.801Z [err]  ERR! code EBADENGINE
2022-09-03T14:35:53.806Z [err] npm ERR!
2022-09-03T14:35:53.806Z [err]  engine Unsupported engine
2022-09-03T14:35:53.806Z [err] npm ERR! engine
2022-09-03T14:35:53.806Z [err]  Not compatible with your version of node/npm: node-strophe@2.0.0
2022-09-03T14:35:53.806Z [err] npm ERR! 
2022-09-03T14:35:53.806Z [err] notsup Not compatible with your version of node/npm: node-strophe@2.0.0
2022-09-03T14:35:53.806Z [err] npm ERR! 
2022-09-03T14:35:53.806Z [err] notsup Required: {"node":"^4.0.0"}
2022-09-03T14:35:53.806Z [err] npm ERR!
2022-09-03T14:35:53.806Z [err]  notsup Actual:   {"npm":"8.11.0","node":"v16.16.0"}
2022-09-03T14:35:53.811Z [err] 
2022-09-03T14:35:53.811Z [err] npm 
2022-09-03T14:35:53.812Z [err] ERR! A complete log of this run can be found in:
2022-09-03T14:35:53.812Z [err] npm ERR!     /home/pi/.npm/_logs/2022-09-03T14_35_39_783Z-debug-0.log
2022-09-03T14:35:53.833Z rc=1

same error for all modules that have an update (node-red menu) like: google-translate-tts, node-red-contrib-ui-time-scheduler...
... or modules that can to be installed (node-red menu)

What does this command show
npm list node-strophe
that should tell us which node is pulling in that 7 year old and incompatible node. Unless you know what strophe is.

2 Likes
pi@raspi4B:~/.node-red $ npm list node-strophe
node-red-project@0.0.1 /home/pi/.node-red
��������� node-red-contrib-sox@0.4.3
  ��������� soxjs2@0.0.7
    ��������� node-strophe@2.0.0

pi@raspi4B:~/.node-red $ 

... so node-red-contrib-sox@0.4.3 does use the old strophe@2.0.0 I guess.
I guess I will have to remove it ? and then somehow update strophe ... I dont know what it is :slight_smile:

That won't install on my system either. I am not sure what to do about that if you need it. If you don't need it then uninstall it.

1 Like

Actually, it will install, I just get warnings about node-strophe. What do you see if you run
npm remove node-red-contrib-node-sox
npm install node-red-contrib-node-sox

1 Like

I see what is going on. Installing using the palette manager enforces more rigorous conditions on npm, so that the warnings become errors. It seems that if you want to use sox you will have to do all your installs via the command line.

Don't forget to restart node-red after you install via the command line.

1 Like

thx for your held!
after removing the modules it works fine again:

npm remove node-red-contrib-sox
npm remove node-red-contrib-ifttt-broker

sorry @jorymathis13 for destroying your post.

Hey man, no worries. That's what this forum is for, to learn and help. I'm sorry for the super late reply, I spent the long weekend building a chicken coop for the Mrs. I'm glad Collin was able to help, thank you Collin!

2 Likes