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• How to send RTP stream to Janus from NGINX RTMP module ? [closed]

  25 novembre 2024, par Matéo

  I'm trying to create a stream and display it in a browser. I have already configured NGINX with the rtmp module and my stream works very well with HLS (between 5 and 10 seconds of latency).

  


  Now I would like to set up a low-latency stream and that's why I have installed the janus-gateway webRTC server that allows to take in input an RTP stream and provide in output a webRTC stream.

  


  Here's the schema I'd like to follow :

  


  OBS -> RTMP -> Nginx-rtmp-module -> ffmpeg -> RTP -> Janus -> webRTC -> Browser

  


  But I have a problem with this part : "nginx-rtmp-module -> ffmpeg -> janus"

  


  In fact, my janus's server is running and demos streaming works very well in localhost, but when i try to provide an RTP stream, Janus don't detect the stream in the demos (it shows "No remote video available").

  


  Anyone can help me, please ?

  


  Ressources :

  


  

  • My janus.plugin.streaming.jcfg configuration :

  


  


  rtp-sample: {
        type = "rtp"
        id = 1
        description = "Opus/VP8 live stream coming from external source"
        metadata = "You can use this metadata section to put any info you want!"
        audio = true
        video = true
        audioport = 5002
        audiopt = 111
        audiortpmap = "opus/48000/2"
        videoport = 5004
        videopt = 100
        videortpmap = "VP8/90000"
        secret = "adminpwd"
}



  


  

  • My nginx.conf application :

  


  


  application test {

        deny play all;

        live on;
        on_publish http://localhost/test/backend/sec/live_auth.php;

        exec ffmpeg -i rtmp://localhost/test/$name -an -c:v copy -flags global_header -bsf dump_extra -f rtp rtp://localhost:5004;

}


  


• combining video and audio using ffmpeg not working

  3 août 2023, par meep

  hi im trying to merge an av1 encoded video and a mp4 audio file but when i run the program cmd pops up for a bit and then disappears and in the end nothing happens aside from done being printed.

  


  import ffmpeg

input_video = ffmpeg.input('C:\\Users\\meep0\\Documents\\Programming\\trouble.mp4')
input_audio = ffmpeg.input("C:\\Users\\meep0\\Documents\\Programming\\trouble audio.mp3")
ffmpeg.concat(input_video, input_audio, v=1, a=1).output("C:\\Users\\meep0\\Documents\\Programming").run()

print("done")


  


• FFMpeg - How to add a diagonal watermark text to a video

  5 février 2016, par ram

  With the following command i am able to add a horizontal text to the video.

  ffmpeg -re -i ./input.mp4 -vf "drawtext="fontsize=15:fontfile=FreeSerif.ttf:text="WATERMARK TEXT":y=h/2:x=50:fontcolor=green:fontsize=40"" -f mp4 ./output.mp4

  Will it be possible for me to add the text diagonally to a video using drawtext filter ? what is the best way to add a diagonal text to a video using ffmpeg ?

  Purpose is to add diagonal water mark text to the video