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• How can I play & sync video playback on a webpage for all ? (even a better/more developed streaming method with full media controls)

  15 juin 2020, par Atmos

  I'll start by explaining what I currently use to accomplish this, to better explain my goal

  



  I use ffmpeg to "re-stream" to a streaming service (angelthump). Of which's player I embedded into my website. I run the ffmpeg cmd, which I need to tweak slightly each time to play various media. It's just me either pointing it to a location on my local drive or to a video URL.

  



  Problem being with this is I don't have full media playback control (to pause, resume etc.), and it doesn't allow anyone beyond me & the friend who taught me this method to play a video.

  



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  What I am looking for in a new/more refined method :

  



  (I'll explain at the end why I added "refined method")

  



  


  The Main Goal I Want to Achieve :

  


  



  A webpage where where visitors can access and view whatever media is playing, in sync with everyone.

  



  And with this synced video, for there to be a simple way for (allowed) users to submit media to play or queue up next. 
And Playback controls for an appointed admin. A more complex preferrable feature in addition to that ; where the submitter of current playing media to also have control.

  



  Some expanded description on the features :

  



  


  1. Recieve info in a simple way on which media to play :

     



     


     • Be able load media by being provided a direct video URL. Or if possible, load it from the submitter's own device.

     


     • Queueing multiple videos :

       



       Multiple people may add their own videos while another is playing, so instead of waiting for it to end it can hold the URL to play next.

     


  


  2. Proper media playback controls (pause, rewind, resume etc.)

     



     I'd like to be able to have simple controls on the webpage itself to easily pause, seek to a time of the video. Being able to do this without having to go through the complex steps I used to, to achieve this.

     



     If possible, allow the user who submitted the current media playing, access to the media controls only.

     



     (To lock these controls to select users (depending on the video sync method I find suitable) I do realise I may need to figure out seperately how I want to lock this to select users. Either by adding control buttons which only shows up for them. But if I find a method where an embeddable video player like setup with sync capabilitie, I can just leave it up to that.)

  


  



  


  The "refined" point expanded :

  


  



  The friend once provided some bash scripts which could queue videos while ffmpeg is running. So I didn't need to stop/wait for it to finish to start the next vid. And I think he mentioned media controls can be achieved using this same method. 
But if there are better & simpler ways to achieve the overall answer to my topic, I would like to take that route.

  



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  There was also mention of webrtc & janus if that helps anyone suggest more methods. I will also try and reach out to others to help implement whatever suggestions I can get.

  


• keyframe frequency of four seconds or less error when trying to stream a VOD file to ant media server

  24 janvier 2023, par Usama

  I am trying to stream a VOD file to Youtube using ant media server. I have uploaded the file to AMS and added the RTMP url but after starting the broadcast I am getting an error from YouTube saying "Please use a keyframe frequency of four seconds or less. Currently, keyframes are not being sent often enough, which can cause buffering. The current keyframe frequency is 6.8 seconds. Note that ingestion errors can cause incorrect GOP (group of pictures) sizes."
How do I configure the keyframe frequency for my file

  


• Convert RTMP to RTP in iOS application for sending it to Kurento Media Server

  4 janvier 2019, par utkarsh agarwal

  Working on implementing Screen Sharing(Replay Kit) in iOS app using Kurento Media Server. I get CMSampleBuffer which follows RTMP protocol. But Kurento doesn’t support RTMP. It does support RTP. Is there a way to convert from RTMP to RTP. I read about ffmpeg but it seems to need to be implemented on server side which require a lot of change in current flow something like below
  [Browser] -> RTMP -> [Node_Media_Server(srs)] -> RTMP ->

  [FFmpeg] -> RtpEndpoint -> [Kurento] -> WebrtcEndpoint -> [Browser]

  Will this flow be efficient enough ?

  Is there a way to convert it from client side i.e iOS application ?