buffer underrun with two outputs

Ask software engineering and SDK questions for developers working on Mac OS X, Windows or Linux.
  • Author
  • Message
Offline

catalan63

  • Posts: 5
  • Joined: Thu May 09, 2019 6:36 pm
  • Real Name: Pablo Enrique Llorach

buffer underrun with two outputs

PostSat May 18, 2019 1:15 pm

Hello, i am working with FFMPEG over Ubuntu Server.

i am trying to receive an UDP feed on my server and process it with ffmpeg, and then save it to a file and then forwardit to the SDI, but i receive errors saying there is no enough buffered video and audio.

Command

/home/tecnico/FFmpeg/ffmpeg –i udp://192.168.1.20:5004?overrun_nonfata ... e=50000000" -acodec aac -ab 192k -vcodec libx264 -preset ultrafast -s 1920x1080 -r 25 -f mpegts /home/tecnico/Escritorio/test-live2.avi -acodec pcm_s16le -ab 192k -ac 2 -vcodec v210 -s 1920x1080 -r 25 -f decklink 'DeckLink SDI (1)'-acodec pcm_s16le -ab 192k -ac 2 -vcodec v210 -s 1920x1080 -r 25 -f decklink 'DeckLink SDI (2)'

root@video-mvd-tec:/home/tecnico# /home/tecnico/FFmpeg/ffmpeg -re -rtbufsize 200M -i udp://192.168.1.20:5004 -acodec aac -ab 192k -vcodec libx264 -preset ultrafast -s 1920x1080 -r 25 /home/tecnico/Escritorio/test-live2.mp4 -acodec pcm_s16le -ab 128k -ac 2 -vcodec v210 -s 1920x1080 -r 25 -f decklink 'DeckLink SDI (1)' -acodec pcm_s16le -ab 128k -ac 2 -vcodec v210 -s 1920x1080 -r 25 -f decklink 'DeckLink SDI (2)'

Log

[decklink @ 0x260dc40] There's no buffered audio. Audio will misbehave!

[decklink @ 0x260dc40] There are not enough buffered video frames. Video may misbehave!

Return to Software Developers

Who is online

Users browsing this forum: No registered users and 8 guests