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• FFMPEG waiting for images in image2pipe mode

  27 juin 2015, par Chris Nolet

  I’m creating a Node JS application which takes an m-jpeg image stream, and constructs an MPEG-1 stream on the fly. I’m leveraging fluent-ffmpeg at the moment. The steam is intended to be continuous and long-lived. The images flow in freely at a constant framerate.

  Unfortunately, using image2pipe and input -vcodec mjpeg, it seems like ffmpeg needs to wait until all the images are ready before processing begins.

  Is there any way to have ffmpeg pipe in and pipe out immediately, as images arrive ?

  Here is my current Node JS code :

  var proc = new ffmpeg({ source: 'http://localhost:8082/', logger: winston, timeout: 0 })
  
    .fromFormat('image2pipe')
  
    .addInputOption('-vcodec', 'mjpeg')
  
    .toFormat('mpeg1video')
  
    .withVideoBitrate('800k')
  
    .withFps(24)
  
    .writeToStream(outStream);

  And the ffmpeg call it generates :

  ffmpeg -f image2pipe -vcodec mjpeg -i - -f mpeg1video -b:v 800k -r 24 -y http://127.0.0.1:8082/

• How to append new images into a video file which already exists using ffmepg

  28 juin 2014, par user3786605

  Is there any way to append new images into a video file using FFMpeg command line ?

  Thanks in advance,

• Revision 28201 : - chaine le langue manquante

  28 avril 2009, par marcimat@… — Log

   chaine le langue manquante