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• How to stream multiple inputs to multiple outputs on Windows ?

  17 janvier 2019, par Samoussa Binou Mymusicisinme

  I’m used to using ffmpeg and stuff to broadcast/do testing.. but I don’t understand how iptv servers succeed at having 50+ input streams, making 50+ output streams and sharing them, as I can’t even run 3 ffmpeg commands with encoding without having the CPU crying for help...

  I’ve tried to get infos, but except Wowza that seems to do what I’m trying to understand, I don’t find any info...

  I hope that you can enlight me on understanding how this whole thing works. Also, I’d like to test it out so if you got any recommendations on how to do this, I’ll be thankful to you !

• ffmpeg options that work with Chrome

  21 avril 2015, par James

  I am trying to find the magic options that make mp4 work in Chrome. I think my videos were working, but don’t seem to any more after Chrome updated.

  Chrome, Version 41.0.2272.101 (Windows)

  I tried some other machines and found some of the videos worked on older versions, and my Mac seems to still work on the latest Chrome.

  I am using the ffmpeg options to convert from png series,

  ffmpeg -framerate 10 -i dance%02d.png  -r 10 -pix_fmt yuv420p dance.mp4

  Some videos work, some don’t, some work some of the time, or stop half way through.

  I tried various other options like,

  ffmpeg -start_number 16 -framerate 10 -i dance%02d.png -r 10 -an -s hd720 \
  
  -vcodec libx264 -pix_fmt yuv420p -preset slow -profile:v baseline \
  
  -movflags faststart -y dance.mp4

  but this just seemed to make things worse.

  here is one of the videos,
  http://www.botlibre.com/media/a786625.mp4

  and another one,
  http://www.botlibre.com/media/a812450.mp4

  Firefox seems to work no problem, on any version, grey background though.
  IE works fine, white background.
  Safari works, grey background.

  Another thing, they videos used to have white background on older Chrome version, but now are grey, except on Mac still white.

  and one more thing. Webm format works, but anyone know the option to remove transparency ? I’m using,

  ffmpeg -i dance%02d.png  -r 10 -c:v libvpx -crf 10 -b:v 512k -c:a libvorbis dance.webm

  just want a solid white background.

• Is it possible to play M3U8 playlist inside a M3U8 playlist ?

  23 octobre 2014, par scaryguy

  I mean something like tis :

  #EXTM3U
  
  #EXT-X-TARGETDURATION:10
  
  #EXT-X-ALLOW-CACHE:YES
  
  #EXT-X-VERSION:3
  
  #EXT-X-MEDIA-SEQUENCE:1
  
  #EXTINF:10,
  
  video0.ts
  
  #EXTINF:8,
  
  video1.ts
  
  #EXTINF:10,
  
  video2.ts
  
  #EXTPLAYLIST //HERE COMES A PLAYLIST
  
  anotherplaylist.m3u8

  I know about ’variant’ playlist but I don’t think that it’s the thing I look for.

  Thank you