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• FFMPEG video overlay with remote overlay source

  19 mai 2012, par Dasas

  I'm trying to achive an overlay with ffmpeg wich take the overlay source from a "remote" video encoder.

  Just for the sake of testing i'm using random online video source.

  As you will notice in the code below the source and the overlay are the same. That's not the problem.

  The command i'm using at the moment is the following :

  ffmpeg -f mjpeg -i http://81.20.148.158/anony/mjpg.cgi  -vf "movie=http://81.20.148.158/anony/mjpg.cgi [mv]; [in][mv] overlay=0:0" output.avi

  Here an easy-to-read version :

  ffmpeg 
  
  -f mjpeg
  
  -i http://81.20.148.158/anony/mjpg.cgi  
  
  -vf "movie=http://81.20.148.158/anony/mjpg.cgi [mv]; [in][mv] overlay=0:0" 
  
  output.avi

  I'm getting this error :

  Missing key or no key/value separator found after key '//81.20.148.158/anony/mjpg.cgi'

  It works pretty well if i use a "local" video source such as

  ffmpeg 
  
  -f mjpeg
  
  -i http://81.20.148.158/anony/mjpg.cgi  
  
  -vf "movie=a.flv [mv]; [in][mv] overlay=0:0" 
  
  output.avi

  I have the feeling something is wrong with the double slashes // or more likely with the : in http://...

  Thanks,
  Francesco.

• Facebook LIVE with ffmpeg error - av_interleaved_write_frame() : Connection reset by peer

  22 décembre 2016, par above14

  I’m trying to stream to Facebook a Live Video from an Amazon EC2 instance (c4.xlarge). I installed ffmpeg and stream with a command like the following

  ffmpeg -re -f concat -i /home/ec2-user/playlist.txt -f lavfi -re -i anullsrc=channel_layout=stereo:sample_rate=44100 -s 854x480 -c:a aac -strict -2 -ar 44100 -vcodec libx264 -f flv "{rtmp_link}"

  Everything works fine. I had LIVE videos that worked for up to 2 days in a row. Sometimes, without a reason, I got one of these videos interrupted with this error message :

   av_interleaved_write_frame(): Connection reset by peer

  I haven’t been able to figure out a reason for this error yet. The funny thing is that maybe I have 3 streaming going on in the same machine at the same time, and just one of them get stopped by this message. Other times this error happens where there’s just one streaming on the EC2 instance.

  Any ideas about how to find a solution ?

  EDIT

  We have installed a newer version of FFMPEG and the error now is more detailed. We have this message

   RTMP send error 104

  I haven’t found a lot about this issue online. Does someone know what error 104 means ?

• Downloading video & audio segment simultaneously with youtube-dl and ffmpeg

  7 décembre 2020, par Mtaly

  For an online streaming video that I would like to download I have two m3u8 files.

  


  One for the video itself with segment-0.ts to segment-250.ts :

  


  #EXTINF:6.000000,
segment-0.ts
#EXTINF:6.000000,
segment-1.ts
#EXTINF:6.000000,
segment-2.ts
#EXTINF:6.000000,
segment-3.ts
#EXTINF:6.000000,
segment-4.ts


  


  and another m3u8 for the audio segments :

  


  #EXTINF:6.016000,
segment-0.aac
#EXTINF:6.016000,
segment-1.aac
#EXTINF:6.016000,
segment-2.aac
#EXTINF:6.016000,
segment-3.aac
#EXTINF:6.016000,


  


  So, I use youtube-dl and ffmpeg to download the both m3u8 separately then merge them to get the final mp4 (audio+video).

  


  Is there a way to merge the files or use a combined command in the Terminal to automatically download both and merge them ?