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• Convert an RTSP/RTMP-Livestream with G.711 audio into RTMP/RTSP with aac-audio

  31 août 2018, par Alex Fuhr

  im new at this forum and my english skills are not the best !

  I have a website where i publish the videostreams of the cameras to show what happens inside during the nesting-time live ! An guy with high IT-skills has build me a little Server for Restream it (Datarhei-Restreamer) But this guy has still no time and worse response-times...

  To my Problem : The Restreamer dont support the "G.711" Audio-Codec from the cameras and the Livestream are still without audio at the website. So, i need to convert the Livestreams (RTSP and RTMP- in H.264) so that the audio changes to "aac" or something other supported. But i have no plan how to do this. I tried it with FFMPEG but i dont find the correct commands to get the my result. There is something with an Streaming-server to send the new created stream to - i dont get it into my head to do this (i need just a stream that are viewable with VLC player and then as input for my restreamer-server, jsut the same like ca

  I want to change the source-stream into the correct codec (audio from G.711 to AAC, the rest like source) and then, put this "new" stream into my Restreamer-Server and it will work fine ! (Tested with XSplitbroadcaster, but dont runs on Raspberry, only 1 instance runable but 2 livestreams needs to be encoded at same time) And this programm has annoying bugs (endless and not removeable error-messages, but running stream)

  I have a new second raspberry that are planned as "live-encoder" for the restreamer-raspberry were the "new" streams are are going in (rtmp/rtsp-input on a graphical ui) I try it still with FFMPEG but still no result...

  Sorry about this long text with all the language-issues but im really frustrated with it because i have purchased 2 new cameras with total 450 euros just to get the livestream with sound now :(

• Tile filter for libav/avconv

  26 avril 2018, par Mathjoh

  Is there some way to use libav/avconv to duplicate the effect of the tile filter in FFMPEG ?

  I’m trying to create a strip of images from left to right with one image for every ten seconds of video input.

  My plan is to first generate the images and then create the image strip. Preferably I want to use libav over ffmpeg. So far I have created this :

  avconv -i video.mp4 -vf scale=320:-1,fps=1/10 -q:v 6 img%03d.jpg

  which creates the images. But then I only know how create the image with ffmpeg using :

  ffmpeg -i img%03d.jpg -filter_complex tile=6x1 output.jpg

  So if anyone has any tips on how to rewrite the just the second or both commands to use avconv I welcome any advise :)

• Rendering a remote raw h264 video stream in javascript using WebRTC [on hold]

  20 mai 2018, par Shahabi

  I’m new in Video streaming and decoding for rendering on Web Browser.
  My plan is to create a raw h264 stream on localhost environment and in Nodejs application, I want to read the raw h264 stream and render it on Web browser with Low latency.

  For creating a stream, I’m using VLC Stream option in h264 format on HTTP server. I’m using my laptop webcam and mic for streaming audio/video on localhost environment.

  Now I’m stuck on getting that stream on web page and render it on Web browser.
  I want to use WebRTC or any other opensource library for fast rendering.

  Anyone know or guide me into the right direction where i can solve my problem as mention above ?

  Thanks