Sending rtsp camera streaming over internet

Lupin_III · 2 June 2021 15:40

Hi, maybe this request can appear a bit strange.
Thanks all the topics and comments I have no problem in showing an IP camera streaming on the dashboard as rtsp. But I can only do it locally since my provider doesn't provide a public IP (it's a private IP under nat). So remotely I cannot reach my dashboard in any way (ok I could set a VPN but it's onother story). Now in another place I have a server with a public static IP, so I would like to use it: for all the other stuff via MQTT it is simple enough, and on the server, as well as locally, node-red and MQTT are secured via https.
Now the problem is with the video from my IP camera, I'm not able to send this flow in any way. Once I get it, I could reproduce it on the dashboard running on the server.
Thanks to all

krambriw · 3 June 2021 03:05

Sorry, my idea did not work

krambriw · 3 June 2021 05:49

I made some tests that you may try

Take your rtsp stream and produce jpegs that you publish to your MQTT broker and then subscribe and present them on the dashboard
Take your rtsp stream and produce a mp4 playlist, then make it available via https and present it on the dashboard. How to do this I'm not able to do myself, maybe @kevinGodell has some insights. Anyway this would mean you would have to open up a port in your FW for the https server so I'm not sure you are willing to do that

The first example could look like the below (here I'm using a public available MQTT broker, test.mosquitto.org) and this would not require you to open any ports in your FW. If you select a good FPS it will provide a pretty useful solution

[{"id":"98f8bbb1.51c528","type":"ffmpeg-spawn","z":"252b9369.44a80c","name":"","outputs":2,"migrate":1e-9,"cmdPath":"ffmpeg","cmdArgs":"[\"-i\",\"https://weather-lh.akamaihd.net/i/twc_1@92006/index_1200_av-p.m3u8?sd=10&rebase=on\",\"-f\",\"image2pipe\",\"-r\",\"1\",\"pipe:1\"]","cmdOutputs":1,"killSignal":"SIGTERM","x":360,"y":4890,"wires":[[],["2bc3438c.6857ac"]]},{"id":"8c8ffea6.74511","type":"inject","z":"252b9369.44a80c","name":"start default","props":[{"p":"action","v":"{\"command\":\"start\"}","vt":"json"}],"repeat":"","crontab":"","once":false,"onceDelay":"1","topic":"","payloadType":"str","x":170,"y":4860,"wires":[["98f8bbb1.51c528"]]},{"id":"88965d3a.398e","type":"inject","z":"252b9369.44a80c","name":"stop default","props":[{"p":"action","v":"{\"command\":\"stop\"}","vt":"json"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payloadType":"str","x":170,"y":4920,"wires":[["98f8bbb1.51c528"]]},{"id":"7c3c2531.a922cc","type":"mqtt in","z":"252b9369.44a80c","name":"","topic":"jpeg_test","qos":"2","datatype":"auto","broker":"ed237c6b.40d1b","nl":false,"rap":true,"rh":0,"x":730,"y":4890,"wires":[["2f0c0d86.1a2492"]]},{"id":"2bc3438c.6857ac","type":"mqtt out","z":"252b9369.44a80c","name":"","topic":"jpeg_test","qos":"","retain":"","respTopic":"","contentType":"","userProps":"","correl":"","expiry":"","broker":"ed237c6b.40d1b","x":560,"y":4890,"wires":[]},{"id":"30818a40.ae6716","type":"image","z":"252b9369.44a80c","name":"","width":160,"data":"payload","dataType":"msg","thumbnail":false,"active":true,"pass":false,"outputs":0,"x":1150,"y":4760,"wires":[]},{"id":"2f0c0d86.1a2492","type":"switch","z":"252b9369.44a80c","name":"","property":"payload[0]","propertyType":"msg","rules":[{"t":"eq","v":"255","vt":"num"}],"checkall":"true","repair":false,"outputs":1,"x":890,"y":4890,"wires":[["30818a40.ae6716","32f9bdbb.a5a992"]]},{"id":"5d7e668b.178858","type":"ui_media","z":"252b9369.44a80c","group":"234be070.c446f","name":"","width":"6","height":"4","order":3,"category":"","file":"","layout":"center","showcontrols":false,"loop":false,"onstart":false,"muted":false,"scope":"local","tooltip":"","x":1120,"y":4940,"wires":[[]]},{"id":"32f9bdbb.a5a992","type":"change","z":"252b9369.44a80c","name":"","rules":[{"t":"set","p":"mimetype","pt":"msg","to":"image/jpeg","tot":"str"}],"action":"","property":"","from":"","to":"","reg":false,"x":930,"y":4940,"wires":[["5d7e668b.178858"]]},{"id":"ed237c6b.40d1b","type":"mqtt-broker","name":"test.mosquitto.org","broker":"test.mosquitto.org","port":"1883","tls":"ce0f0716.0b63b8","clientid":"","usetls":false,"protocolVersion":"4","keepalive":"60","cleansession":true,"birthTopic":"","birthQos":"0","birthPayload":"","birthMsg":{},"closeTopic":"","closeQos":"0","closePayload":"","closeMsg":{},"willTopic":"","willQos":"0","willPayload":"","willMsg":{},"sessionExpiry":""},{"id":"234be070.c446f","type":"ui_group","name":"Default","tab":"8eb8f4e9.390d58","order":2,"disp":false,"width":"6","collapse":false},{"id":"ce0f0716.0b63b8","type":"tls-config","name":"","cert":"","key":"","ca":"","certname":"","keyname":"","caname":"","servername":"","verifyservercert":true},{"id":"8eb8f4e9.390d58","type":"ui_tab","name":"MP4 streaming","icon":"dashboard","order":5,"disabled":false,"hidden":false}]

Additional Nodes to be installed:
node-red-contrib-ffmpeg-spawn

node-red-contrib-ui-media

krambriw · 3 June 2021 08:26

Actually got it working

On the first machine, configure a flow like this:

[{"id":"8fbb798a.e6bb58","type":"ffmpeg-spawn","z":"4e2296ba.635af8","name":"","outputs":5,"migrate":1e-9,"cmdPath":"ffmpeg","cmdArgs":"[\"-loglevel\",\"error\",\"-nostats\",\"-f\",\"hls\",\"-http_multiple\",\"1\",\"-re\",\"-i\",\"https://weather-lh.akamaihd.net/i/twc_1@92006/index_1200_av-p.m3u8?sd=10&rebase=on\",\"-c:v\",\"copy\",\"-c:a\",\"aac\",\"-f\",\"mp4\",\"-movflags\",\"+frag_keyframe+empty_moov+default_base_moof\",\"pipe:1\",\"-progress\",\"pipe:3\"]","cmdOutputs":4,"killSignal":"SIGTERM","x":380,"y":210,"wires":[["40e07a5d.a8e244"],["40e07a5d.a8e244"],[],[],[]]},{"id":"cd817a8.6144288","type":"inject","z":"4e2296ba.635af8","name":"start default","props":[{"p":"action","v":"{\"command\":\"start\"}","vt":"json"}],"repeat":"","crontab":"","once":false,"onceDelay":"1","topic":"","payloadType":"str","x":160,"y":150,"wires":[["8fbb798a.e6bb58"]]},{"id":"66b7ffcc.42e8a","type":"inject","z":"4e2296ba.635af8","name":"stop default","props":[{"p":"action","v":"{\"command\":\"stop\"}","vt":"json"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payloadType":"str","x":160,"y":251,"wires":[["8fbb798a.e6bb58"]]},{"id":"5e862c6a.755c24","type":"comment","z":"4e2296ba.635af8","name":"start ffmpeg","info":"","x":160,"y":114,"wires":[]},{"id":"30128011.168cf","type":"comment","z":"4e2296ba.635af8","name":"stop ffmpeg","info":"","x":160,"y":215,"wires":[]},{"id":"40e07a5d.a8e244","type":"mp4frag","z":"4e2296ba.635af8","name":"","migrate":1e-9,"hlsPlaylistSize":"20","hlsPlaylistExtra":"10","basePath":"whatever","x":600,"y":210,"wires":[["26243342.0b8ffc"],[]]},{"id":"26243342.0b8ffc","type":"debug","z":"4e2296ba.635af8","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","statusVal":"","statusType":"auto","x":810,"y":210,"wires":[]}]

This will create a playlist that we will use from the remote machine. Please note that this example only uses http but you should for sure secure the communication with Node-RED with https, a proxy server etc etc, not going into details here

In the remote machine, configure a flow like this:

[{"id":"5ae1a9cd.557528","type":"inject","z":"3a5cce5b.1c93d2","name":"","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"{\"hlsPlaylist\":\"http://192.168.0.241:1880/mp4frag/whatever/hls.m3u8\"}","payloadType":"json","x":110,"y":980,"wires":[["8cd0329a.9acd9"]]},{"id":"8cd0329a.9acd9","type":"ui_mp4frag","z":"3a5cce5b.1c93d2","name":"","group":"c428b959.127fb8","order":63,"width":6,"height":4,"readyPoster":"data:image/png;base64,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","errorPoster":"data:image/png;base64,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","hlsJsConfig":"{\"liveDurationInfinity\":true,\"liveBackBufferLength\":5,\"maxBufferLength\":10,\"manifestLoadingTimeOut\":1000,\"manifestLoadingMaxRetry\":10,\"manifestLoadingRetryDelay\":500}","play":"true","unload":"true","threshold":0.1,"players":["socket.io","hls.js","hls","mp4"],"x":300,"y":980,"wires":[[]]},{"id":"c428b959.127fb8","type":"ui_group","name":"Performance","tab":"d1273b0b.37b268","order":1,"disp":false,"width":"18","collapse":false},{"id":"d1273b0b.37b268","type":"ui_tab","name":"Performance","icon":"show_chart","order":4}]

The injected JSON looks like this:

{"hlsPlaylist":"http://192.168.0.241:1880/mp4frag/whatever/hls.m3u8"}

You have to change the ip and http to https

The result in the example dashboard looks like this:

So in this way I can present the mp4 stream on the remote dashboard

Additional node to be installed in the remote machine:
npm install kevinGodell/node-red-contrib-ui-mp4frag

But please, do not, as already mentioned, miss to secure the communication with Node-RED

kevinGodell · 3 June 2021 11:06

The 2 machines on separate networks are able to communicate via mqtt?

I have never used mqtt, so I cant offer much for that, but if it acts like tcp, then perhaps you can output the mp4 buffer from ffmpeg and pipe that to the mqtt sender, at which point the mqtt receiver could pipe that to node-red-contrib-mp4frag and then to the ui. If any of the mp4 buffer is lost along the way, then the data may become corrupt and unable to be parsed on the receiving side.

ffmpeg (mp4 buffer) -> mqtt send -> mqtt receive -> node-red-contrib-mp4frag (1st output) -> node-red-contrib-ui-mp4frag

Or... if you want to ensure that you are transmitting complete segments vs pieces of mp4 buffer, then utilize the 2nd output of node-red-contrib-mp4frag. If you set the timeLimit to -1 (representing no time limit) and input a start command, it will output an initialization fragment and complete segments with attached topics initialization and segment. You can take those pieces and send them via mqtt and feed them into a node-red-contrib-mp4frag.

ffmpeg (mp4 buffer) -> node-red-contrib-mp4frag (2nd output) -> mqtt send -> mqtt receive -> node-red-contrib-mp4frag (1st output) -> node-red-contrib-ui-mp4frag

This is all under the assumption that the 2 machines are able to communicate via mqtt. Sorry to hear that the internet provider places limits on your service.

krambriw · 3 June 2021 12:33

It actually works very well sending the mp4 buffers directly via MQTT (just remember to configure the MQTT In nodes to output as "a Buffer")

On the first machine using external MQTT Broker on internet, also with local presentation on dashboard

image1236×209 24.4 KB

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YH0pUCChcWNXF9fms/zztmd+iqQbvEkNASyX0/8pkDOlUDe5+gUph6en+uDY6Xc+aa+MmZ2XdZHmYUdyIZAzqW3ecHC4kYu/iRFx3hb5XfNLxrI+87hco1m+bgc7ZK85JYNJDdmeyCFHYhAvpN99D50n39z96KBTPc5HD3rl2XqY3AAUg0kN2ZzIKUdiEC+lTE8J37Mnw590UD6+391ClNfzvprOHI1kNyYzYGUdiAC+Vbm8GxPn782/KKBHO47h0uY+rC4iNGHF0Wq17xzY7YGsi+eR90eSF9d+FQg3qQ3iKbrLXUF9qUDme+B36LfMz8m9yV8r507q3OsjtkYyKG0AxHItzyNdV6f5f0egYz3DProlFP/eBMyhvuBeLguuApdGrPL3ou8HHVfnoAC+U6mcGOdUrfovnIg+48lx+hpf5yCmqI7RqLhprf08sSYbYEc4uA+ex3kWF24KZA+8wyQP0t6nx3Bdv4OgUwf7zeH+C7I033NbtE7gmC4/e0tfkD5MZsCqexANgQS7NqKCzcF0pUDJnGd7f1EzTV4U/oagZSvpPePyThG/9HtPg/m6OavfeXu7/yYTYFUdiDtgUzB2abiwi2BTE5ibXFaNjEVrjg3BZL4NO6zgbTdi3V4HBPO0Smn+0Q4x7ccFj88XByzJZBT7Qh/X/1cZrRru9YXtgcS/yQVl+Wm7YPjrS8NpPFu3u7xZB/i24THYMb2pRk6npvGbAmkOv/qgSR3bcWFTYH4vNQzbstNeSjckvF3A2n9PMj4uN929d7zkpmwqQlzG1rG3BLI7TcFcmjZ720PxAFWo9TZwukrA9n0icJh8ZimzAXx1UWJ5G8arw1jbglk/D2BnEuP+rx7NhCfBWl1XL7gle5Z+ppAKp9JPy6OCa/xS/eQeUGvfIlBYcwtgWTn4KZAxnPTgeHWQEaBtFrekjGER9yvEEjlW02WN5EMq0/IzulvXsjsq7r6mJsC6X7PIVa3a1i4/RCrM/UbLe4LL97U9yWB1L4X67Y8Alp9TUIf7YmS6zV1b8nbbVJjbgrkbf973qRfGhY+8Sb9Yuq3mR+fKz2Hm+5rroMEfdS+WbFbjtXFp7Gu6emQ+wjqoTrmtkBuz14HiRzrC58IxIX0RofHWZ7iXa9/P5CG7+Ydl2PfVuerxsRX96yH24dvqwtjbgtk/NSFwuMljLu4sP06SPyT1CxuyAvP8n5tIKeWb3cfgpnYr94dP75idyjN0OCe/9KYbYGMh99zu3v/lv90TrRwy5X0vnaajcDiTOYcTt2vvdWkZUpdg4vk6++JnNbf3JMaLviKg9KYbYH01+Ib4fZ7scbSd5MECzfdizW6lL7F9XEEPoavtq8fyDn5NvZx7PDx/VB9cbjD8kxXacyWz4P8OB8wl96mtwdS+mK6cOGmQG6uhWzysfmGt9LnJl4xkFs4/dcjdKlflg3kXBuzKZBz5Yt1/uTX/my63d3nQTadxjrdr5DN3yeQ9Fc2v30qkNKYLYGcFpdPxs8F4jPpL+E+I4ZztN1eP5BTejJfPxNIaczmr/05rC9PPhHIsRTI8elAjgLZ5ONMZnRw8fqBDOm5vJiW2wMpjrn5i+M6gXx/9z3uFH23wesHcn3L3+D4bCDFMZsD+dgP7QXynzmN1c/RAcrLBzJlJvPlE4EUx2wPpPBGWCDfzP2g4hC/xf3aL69umFJ9ZjLPGwNZfjd6cczMupwattbfCaTpy6sFstH92xXjp/Rr//xBw5TKnHBaNN4WyPLKWXHMOO5u+VnWcNQu+zb9TwSy6c8fCGSjLnN88qV/QKdlSs3xBa/Vle6mQKZl6sUxo3W5l5WawOfsHU9/IpAtf0BHIFsdMvegfuWfYGuaUqt90ersaksgfXAUVRzzvi6nYf1GI3dDx/5vBLLhT7AJZLM+80G4r/kjnoVAwrsZoz+Lk3xrXAwk9XDLY4brEn4/SO6Gjr5pbZIfLW4PpOmPeArkSVPmYwJf82eg2wOZVperV1/5tCWQn6++lTG7+iboopODp78RSNOfgRbIk8JnbNgWyFQN5Nj2ic/tgfSroeK/3bkpkH6xv8iNecyvZvYm+ulvBFLayAL5rMynfFoCue2qgUTvcXIX0LYHclgfrMUrsSGQy/KxZse85HYg60D6zNv07YF0u9rC4kau/CRVc/qlvSGQw64hkGFu+daZ7YHM64P8+AJ2eyCXYFNkxxxOuYPFVSC583XtgQQ7r+LC4kau/CRVl8SUbwnkNO1aAtkNXfZmqc8EMq4Hi68HtAbysSbVMffRRByP2ZNTh/Tb9PZAipeahuiYOL+Raz/JltNYfWsgXX9sedLff8O4fLEufo6oOZBr4mgtPnXUFMhiTVrGvAW70CF/9vYYnhTeHshHm+fawuJGrv8kX+/c/zo4OfT77/+Ccv92i95GBgAAAAAAAAAAAAAAAAAAAAAAAOD/yj9AlkBAICAQEAgIBAQCAgGBgEBAIIBAQCAgEBAICAQEAgIBgYBAQCCAQEAgIBAQCAgEBAICAYGAQACBgEBAICAQEAgIBAQCAgGBgEAAgYBAQCAgEBAICAQEAgIBgQACAYGAQEAgIBAQCAgEBAICAYEAAgGBgEBAICAQEAgIBAQCAgEEAgIBgYBAQCAgEBAICAQEAgIBBAICAYGAQEAgIBAQCAgEBAIIBAQCAgGBgEBAICAQEAgIBAQCCAQEAgIBgYBAQCAgEBAICAQEAggEBAICAYGAQEAgIBAQCAgEEAgIBAQCAgGBgEBAICAQEAgIBBAICAQEAgIBgYBAQCAgEBAIIBAQCAgEBAICAYGAQEAgIBAQCCAQEAgIBAQCAgGBgEBAICAQQCAgEBAICAQEAgIBgYBAQCAgEEAgIBAQCAgEBAICAYGAQEAggEBAICAQEAgIBAQCAgGBgEBAIIBAQCAgEBAICAQEAgIBgYBAQCCAQEAgIBAQCAgEBAICAYGAQACBgEBAICAQEAgIBAQCAgGBgEAAgYBAQCAgEBAICAQEAgIBgQACAYGAQEAgIBAQCAgEBAICAYEAAgGBgEBAICAQEAgIBAQCAgEEAgIBgYBAQCAgEBAICAQEAgIBIv8Djt0c3tPuuskAAAAASUVORK5CYII=","hlsJsConfig":"{\"liveDurationInfinity\":true,\"liveBackBufferLength\":5,\"maxBufferLength\":10,\"manifestLoadingTimeOut\":1000,\"manifestLoadingMaxRetry\":10,\"manifestLoadingRetryDelay\":500}","retry":true,"play":true,"unload":true,"threshold":0.5,"players":["socket.io","hls.js","hls","mp4"],"x":1110,"y":190,"wires":[[]]},{"id":"ed237c6b.40d1b","type":"mqtt-broker","name":"test.mosquitto.org","broker":"test.mosquitto.org","port":"1883","tls":"ce0f0716.0b63b8","clientid":"","usetls":false,"protocolVersion":"4","keepalive":"60","cleansession":true,"birthTopic":"","birthQos":"0","birthPayload":"","birthMsg":{},"closeTopic":"","closeQos":"0","closePayload":"","closeMsg":{},"willTopic":"","willQos":"0","willPayload":"","willMsg":{},"sessionExpiry":""},{"id":"234be070.c446f","type":"ui_group","name":"Default","tab":"8eb8f4e9.390d58","order":2,"disp":true,"width":"6","collapse":false},{"id":"ce0f0716.0b63b8","type":"tls-config","name":"","cert":"","key":"","ca":"","certname":"","keyname":"","caname":"","servername":"","verifyservercert":true},{"id":"8eb8f4e9.390d58","type":"ui_tab","name":"MP4 streaming","icon":"dashboard","order":5,"disabled":false,"hidden":false}]

Then simply add on the remote machine and you have presentation on the remote dashboard of the same

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krambriw · 3 June 2021 13:33

@kevinGodell
I cant make this one work over the network. I do see nothing being sent out from output nbr 2 of the mp4frag node

kevinGodell · 3 June 2021 14:02

You have to send a start command for the buffer output to start coming out. If you have the latest update installed, it should be detailed in the help text. Not at my computer right now to give a better response.

krambriw · 3 June 2021 15:30

Ooops, of course, thanks!

krambriw · 3 June 2021 16:59

Got it working as well!!

On the first machine

image1329×185 27.9 KB

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","hlsJsConfig":"{\"liveDurationInfinity\":true,\"liveBackBufferLength\":5,\"maxBufferLength\":10,\"manifestLoadingTimeOut\":1000,\"manifestLoadingMaxRetry\":10,\"manifestLoadingRetryDelay\":500}","retry":true,"play":true,"unload":true,"threshold":0.5,"players":["socket.io","hls.js","hls","mp4"],"x":1250,"y":4880,"wires":[[]]},{"id":"fce61f26.0a2c9","type":"mp4frag","z":"252b9369.44a80c","name":"","migrate":1e-9,"hlsPlaylistSize":4,"hlsPlaylistExtra":0,"basePath":"kkkllll","x":1070,"y":4880,"wires":[["9476e84d.55e428"],[]]},{"id":"c9afe342.b490d","type":"mp4frag","z":"252b9369.44a80c","name":"","migrate":1e-9,"hlsPlaylistSize":4,"hlsPlaylistExtra":0,"basePath":"fgjdgjdjdg","x":570,"y":4880,"wires":[[],["4990d519.4293ac"]]},{"id":"a44f0f22.69849","type":"inject","z":"252b9369.44a80c","name":"write 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streaming","tab":"8eb8f4e9.390d58","order":1,"disp":true,"width":"24","collapse":false},{"id":"ce0f0716.0b63b8","type":"tls-config","name":"","cert":"","key":"","ca":"","certname":"","keyname":"","caname":"","servername":"","verifyservercert":true},{"id":"8eb8f4e9.390d58","type":"ui_tab","name":"MP4 streaming","icon":"dashboard","order":5,"disabled":false,"hidden":false}]

On the remote computer

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in","z":"3a5cce5b.1c93d2","name":"","topic":"mp4_frag","qos":"2","datatype":"auto","broker":"4920e51.f60191c","x":120,"y":1130,"wires":[["9f992bec.e2cb68"]]},{"id":"9f992bec.e2cb68","type":"mp4frag","z":"3a5cce5b.1c93d2","name":"","migrate":2e-9,"hlsPlaylistSize":4,"hlsPlaylistExtra":0,"basePath":"9f992bec.e2cb68","repeated":"false","timeLimit":10000,"preBuffer":1,"x":350,"y":1130,"wires":[["d7834f2a.2e366"],[]]},{"id":"c428b959.127fb8","type":"ui_group","name":"Performance","tab":"d1273b0b.37b268","order":1,"disp":false,"width":"18","collapse":false},{"id":"4920e51.f60191c","type":"mqtt-broker","name":"test.mosquitto.org","broker":"test.mosquitto.org","port":"1883","clientid":"","usetls":false,"compatmode":false,"keepalive":"60","cleansession":true,"birthTopic":"","birthQos":"0","birthPayload":"","closeTopic":"","closeQos":"0","closePayload":"","willTopic":"","willQos":"0","willPayload":""},{"id":"d1273b0b.37b268","type":"ui_tab","name":"Performance","icon":"show_chart","order":4}]

krambriw · 3 June 2021 17:07

So just a question which method is most efficient?

Inject the the url with link to the playlist directly to the ui_mp4frag (http/https)
Sending mp4 buffers via MQTT, pieces of mp4 buffer
Sending complete segments

Lupin_III · 3 June 2021 17:18

Thanks a lot guys as always. I'll make some test and give my point. I hope to not encounter to much difficulties in implement these solutions since I secured via LE certificate both, node-red and MQTT

kevinGodell · 4 June 2021 00:18

That would be the most efficient because we are not unnecessarily parsing the mp4 buffer twice, etc. But, if the machines are not reachable via http due to isp restrictions, but mqtt works, then there are little options.

kevinGodell · 4 June 2021 01:24

I tweaked your flow a little bit to include the ffmpeg status used to reset the node-red-contrib-mp4frag.

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in","z":"846423c8.7aedd","name":"","topic":"ffmpeg_status","qos":"2","datatype":"json","broker":"2872094f.f042f6","x":870,"y":680,"wires":[["370a3642.2ba78a"]]},{"id":"8fcb9ca4.87ea4","type":"mqtt out","z":"846423c8.7aedd","name":"","topic":"ffmpeg_status","qos":"","retain":"","broker":"2872094f.f042f6","x":680,"y":680,"wires":[]},{"id":"2872094f.f042f6","type":"mqtt-broker","name":"test.mosquitto.org","broker":"test.mosquitto.org","port":"1883","tls":"526541e3.8dec","clientid":"","usetls":false,"compatmode":false,"keepalive":"60","cleansession":true,"birthTopic":"","birthQos":"0","birthPayload":"","closeTopic":"","closeQos":"0","closePayload":"","willTopic":"","willQos":"0","willPayload":""},{"id":"8b6731a5.73a2b","type":"ui_group","name":"Default","tab":"f41fec5a.47c12","order":2,"disp":true,"width":"6","collapse":false},{"id":"526541e3.8dec","type":"tls-config","name":"","cert":"","key":"","ca":"","certname":"","keyname":"","caname":"","servername":"","verifyservercert":true},{"id":"f41fec5a.47c12","type":"ui_tab","name":"MP4 streaming","icon":"dashboard","order":5,"disabled":false,"hidden":false}]

Be warned, I have never used mqtt before and this may not be correct, but it works.

krambriw · 4 June 2021 04:29

It looks fine! You are correct, I also noticed that a reset was needed

Using MQTT like this has several benefits. The protocol is said to be very efficient with little overhead, much lighter than http for instance. It has also a lot of other benefits like automatically handling reconnections, QoS, mirroring of brokers, brokers in cluster and much more. If you use a MQTT Cloud service you do not have to open any ports in your firewalls. The test server we use in this case is free and also supports secure connections if one would like to try. But the server is not recommended for critical setups, I would instead use a cloud service. To setup your own local broker exposed to internet is something that require that you know exactly what you are doing in terms of making it secure. I do not know all necessary steps but it is a lot to consider, I would also put it in a dedicated machine (RPi) in the DMZ

krambriw · 4 June 2021 04:42

That part should be easy to overcome, using a a free tier of a service like No-IP

I'm curious what is actually happen when you open the url from another computer. So I click the url with the playlist. What happens next? What type of data packages are sent on the network? Are we then using http/https as protocol?

Lupin_III · 4 June 2021 07:57

No, that's the problem. You cannot use any ddns services. the ISP provides its own private IP, its under NAT. But in this case MQTT works since it is the client device that starts the communication

krambriw · 4 June 2021 10:00

Is that good!?? I would select another ISP provider

kevinGodell · 4 June 2021 10:30

For clarification, the only communication from node-red-contrib-mp4frag -> node-red-contrib-ui-mp4frag is when it sends the payload carrying the http url info for the HLS playlist, url to mp4 video, and the socket .io connection info. It is then up to ui_mp4frag in the browser to use that info to connect to the server running in mp4frag. So, essentially it is a roadmap telling the client how to get there. I avoided the route of sending all the video buffer directly to ui_mp4frag so that it would not overwhelm the dashboard. Now that I think about it, maybe it could have handled it, since after all, I am using the existing http server and socket .io server but just adding to its routes and namespaces, etc.

Also, playing the video from another instance of node-red may run into a cors issue, unless using the socket .io connection. The mqtt option would not be affected with cors since it is sending the buffer on the backend and then the other node-red instance is then hosting its own video server at that point.

krambriw · 4 June 2021 10:40

Thanks for a good in depth explanation!

I also modified your flow a bit, to avoid too many MQTT nodes, you can actually handle the reset on the client side like below. Just need to change the setting for the MQTT out node to "auto-detect". The switch node is re-directing the incoming either to the mp4frag (if a buffer) or to the JSON node (if it includes the keyword "close")

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","hlsJsConfig":"{\"liveDurationInfinity\":true,\"liveBackBufferLength\":5,\"maxBufferLength\":10,\"manifestLoadingTimeOut\":1000,\"manifestLoadingMaxRetry\":10,\"manifestLoadingRetryDelay\":500}","retry":true,"play":true,"unload":true,"threshold":0.5,"players":["socket.io","hls.js","hls","mp4"],"x":1250,"y":4740,"wires":[[]]},{"id":"9547b7c9.7dad98","type":"switch","z":"252b9369.44a80c","name":"","property":"payload","propertyType":"msg","rules":[{"t":"cont","v":"close","vt":"str"},{"t":"istype","v":"buffer","vt":"buffer"}],"checkall":"true","repair":false,"outputs":2,"x":840,"y":4710,"wires":[["5d4f70c2.81ae"],["b4a81a1d.6c0368"]]},{"id":"5d4f70c2.81ae","type":"json","z":"252b9369.44a80c","name":"","property":"payload","action":"","pretty":false,"x":1000,"y":4680,"wires":[["b4a81a1d.6c0368"]]},{"id":"ed237c6b.40d1b","type":"mqtt-broker","name":"test.mosquitto.org","broker":"test.mosquitto.org","port":"1883","tls":"ce0f0716.0b63b8","clientid":"","usetls":false,"protocolVersion":"4","keepalive":"60","cleansession":true,"birthTopic":"","birthQos":"0","birthPayload":"","birthMsg":{},"closeTopic":"","closeQos":"0","closePayload":"","closeMsg":{},"willTopic":"","willQos":"0","willPayload":"","willMsg":{},"sessionExpiry":""},{"id":"234be070.c446f","type":"ui_group","name":"Default","tab":"8eb8f4e9.390d58","order":2,"disp":true,"width":"6","collapse":false},{"id":"ce0f0716.0b63b8","type":"tls-config","name":"","cert":"","key":"","ca":"","certname":"","keyname":"","caname":"","servername":"","verifyservercert":true},{"id":"8eb8f4e9.390d58","type":"ui_tab","name":"MP4 streaming","icon":"dashboard","order":5,"disabled":false,"hidden":false}]

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