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• Play playlist of audio on website using node to create a jukebox / radio app

  1er juillet 2022, par neff

  So I have some time on my hands and thought I would make myself a little jukebox / radio type app.

  



  It would be fairly simple, just a collection of MP3's on the server, one is chosen at random, it plays, on completion, the next one is chosen and plays. The front of this would just be a super simple page that has a player and displays the metadata.

  



  I don't really have any experience with server programming but I'm going to look in to Node, seems like it would be good for this. I've already written a little script in Python that chooses a song from a selection and plays it (using VLC at the moment) so it should be simple to port it to Node / js.

  



  Just wondering if someone could point me in the right direction for how to link the "player" with the "playlist".

  



  Looking in to it, I can only find solutions involving a client and server using shoutCast or ICEcast or similar - so the playlist streams audio to a shoutcast server, and the website is just a player looking at the shoutCast URL - that seems unnecessary for me, as the streaming and the site would be the same thing.

  



  New to a lot of this :) but I have time at the moment so happy to get stuck in !

  



  Thanks in advance

  


• Executing ffmpeg commands from a PHP script

  30 janvier 2013, par Derrick Tucker

  My problem is pretty simple : I can run ffmpeg commands perfectly fine on my server from the command line, but some of these commands experience trouble when I try to execute them from a PHP script.

  For example, the following works in the command line :

  ffmpeg -i cat.mpeg cat.avi

  When in my PHP script, it also works as :

  exec("/usr/local/bin/ffmpeg -i cat.mpeg cat.avi", $output);

  This, as I said, works fine. However, this line works from the command line, but not in a PHP script :

  ffmpeg -i cat.mpeg -vf scale=480:360 cat2.mpeg

  Trying to put that into an exec() produces nothing. I've tried with/without quotes around the dimensions, different formats, etc. From the dozens of different commands I have tried, it seems that any will work from PHP as long as they don't contain the -vf flag. Clearly it works on the server, as executing from the command line proceeds with no issue ; is there something silly I am missing here ?

• How to convert audio stream from PureTool/CVS video ?

  1er janvier 2013, par Mark

  I apologize if there is a better place to post this. I recently came across a couple CVS single-use video cameras that I had been using back in 2005. I still have the USB cable I made and now that I've switched to Mac I can use Puretool to extract the old videos from the cameras. The problem I'm having is that I can only hear the audio when viewing the videos with VLC media player. I read on PureTools site, a common problem is that the audio codec used is incompatible with Quicktime and the audio stream needs to be converted. There is a link on their site to a program called FixSound which is purported to fix this, but the link is dead and I've been unable to find any further information about this. If anyone could point me in the right direction, I'd be very grateful. All the videos I'm dealing with are from the first year of my son's life and I'd really like to be able to archive them in a more uniform format. I would think this would be possible to do using Adobe Audition or some other program in Adobe's CS6 Master Collection but I've only dealt with Photoshop, Illustrator, Dreamweaver, Flash & Fireworks. I have no experience with audio or video yet.

  Thanks,

  Mark