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• Streaming to Twitch with FFMpeg

  18 décembre 2014, par Josh Raymond

  I’m using the following script to try and stream my linux desktop to Twitch.tv, I have the stream working, mostly. Unfortunatly, I’m unable to get it to stream my SECOND monitor instead of just my first..

  Here’s the script

  #! /bin/bash
  
  INRES="1900x600"
  
  OUTRES="800x600"
  
  INAUD="pulse"
  
  FPS="25
  
  STREAM_KEY=$(cat ~/.twitch_key)
  
  STREAM_URL="rtmp://live.twitch.tv/app/$STREAM_KEY"
  
  
  
  ffmpeg \
  
  -f alsa -ac 2 -i "$INAUD" \
  
  -f x11grab -s "$INRES" -r "$FPS" -i :0.0+1280,0 \
  
  -vcodec libx264 -s "$OUTRES" -pix_fmt yuv420p \
  
  -acodec libmp3lame -threads 6 -qscale 5 -b 64KB \
  
  -f flv -ar 44100 "$STREAM_URL"

  Everything works as it should (after a few hiccups I solved on my own before coming here)
  But I was wondering if there was a way to pipe TWO audio inputs into ffmpeg ? One for the system sounds (IE game) and one for my mic ? I use Pulseaudio and have pavucontrol, if that matters.

  Thanks in advance.

• Twitch stream with FFMpeg using multiple audio inputs [on hold]

  23 décembre 2014, par Josh Raymond

  I’m using the following script to try and stream my linux desktop to Twitch.tv, I have the stream working, but I want to throw in 2 audio inputs into the stream (one for the game, and one for my mic)

  Here’s the script

  #! /bin/bash
  
  INRES="1900x600"
  
  OUTRES="800x600"
  
  INAUD="pulse"
  
  FPS="25
  
  STREAM_KEY=$(cat ~/.twitch_key)
  
  STREAM_URL="rtmp://live.twitch.tv/app/$STREAM_KEY"
  
  
  
  ffmpeg \
  
  -f alsa -ac 2 -i "$INAUD" \
  
  -f x11grab -s "$INRES" -r "$FPS" -i :0.0+1280,0 \
  
  -vcodec libx264 -s "$OUTRES" -pix_fmt yuv420p \
  
  -acodec libmp3lame -threads 6 -qscale 5 -b 64KB \
  
  -f flv -ar 44100 "$STREAM_URL"

  I use Pulseaudio and have pavucontrol, if that matters. The game would be on "Build-in Audio Analog Stereo" and the mic is from the recording device "Webcam C110 Analog Mono"

  Thanks in advance.

• Set up a TV like RTMP channel

  17 mars 2015, par JohnWolf

  I’m looking for the best way to play a sequence of videos at specific times on a RTMP channel. Right now, I’ve setup a few things that seem viable to achieve this :

  1. Setup a Wowza Streaming Engine on a server
  2. Setup a Wowza Streaming Cloud account, that receives the stream from the server and broadcasts it with different qualities.

  Now I plugged a RTMP stream into the Wowza Cloud and was able to play it in different qualities on all browsers and devices. That’s the end game.

  I was able to play videos on the stream using ffmpeg and started to work on having video playlists running.

  So my question is simple :

  Do you think it’s a good way to do this ? How would you do it otherwise ?

  Thanks
  John