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• Multiple download trim videos ffmpeg + youtube-dl [duplicate]

  4 décembre 2020, par sl4g

  I'm tryng to make a bash script to download and trim videos from URLs in a .txt file, using ffmpeg and youtube-dl. From the Internet I found this https://askubuntu.com/questions/970629/how-to-download-a-portion-of-a-video-with-youtube-dl-or-something-else and this How can I batch/sequentially download m3u8 files using ffmpeg ? and based on that I made this :

  


  #!/bin/bash

#only download the half of urls

HoldList="/home/user/desktop/dir1/code/bash/web.txt"

index=0
while read line ; do
    ffmpeg -ss 00:50:30 -to 00:51:00 -i "$(youtube-dl -f best --get-url $line)" -c:v copy -c:a copy output-${index}.mp4
    ((index=index+1))
done < "$HoldList"


  


  This code only downloads half of the videos. Download one, ignore the next, then repeat...

  


  How can I make not skip every other URL from the file ?

  


  I'm a newbie in Bash script (and in this site), and English is not my first language.

  


• RTSP to RTMP using FFMPEG on Raspberry Pi to YouTube Livestream ends prematurely (and sometimes doesn't start)

  12 mars 2021, par user203875

  I have been running a program from my raspberry pi 4 that converts a RTSP network camera feed to RTMP for YouTube. The stream used to run non-stop every day. I didn't have to do anything. I have a program in place that would restart if the feed died.

  


  Nothing has changed with that program in 2 years. About a month ago, the feed stopped working. I just started into trying to figure out why. Maybe someone has some ideas on what is going on ?

  


  In order for me to start the feed, I must also start a studio.youtube.com browser session showing the feed information. If that web page is up and running, the live stream will start. While I can't say for certain that it NEVER starts without this session running, it seems that way.

  


  Usually the stream lasts for an hour or two. Rarely more than four hours.

  


  When I start up a studio.youtube.com session after the stream dies the "Dimiss" or "Edit in Studio" message is on the page. I have to hit "dismiss" before I can start up the stream again.

  


  Is there a solution to this ?

  


  Again, my program didn't change, so I'm at a loss for what I can do to fix this.

  


• Streaming 4K video file to YouTube on a Raspberry Pi 4 using FFMPEG

  25 mai 2021, par martijn

  I'm trying to stream a 4K video file to YouTube on a raspberry pi4 using FFMPEG (version : Linux raspberrypi 5.10.17-v7l+ #1414 SMP Fri Apr 30 13:20:47 BST 2021 armv7l GNU/Linux, 8gb).
I know you cannot do that with older Pi-versions.
I didn't find the proper ffmpeg commands yet, so I cannot test it right now. But before I give it a try, is it basically possible to stream 4K in this way with this version of the Pi ?