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• Zoom and Moving based on audio information in FFMPEG

  19 décembre 2019, par Mattstir

  I recently wondered if it is possible to zoom or move things in FFMPEG based on an audio source.

  I already played around with complex filters as they allow some audio visualization but didn’t really manage to move/zoom things based on sound. See good examples of complex filters used for audio visualization at : https://hhsprings.bitbucket.io/docs/programming/examples/ffmpeg/audio_visualization/index.html

  My current situation is that i have multiple inputs which one of should react on sound/maybe even on special frequency’s.

• How do I get FFMPEG Progress in order to create a progress bar ?

  18 mai 2012, par polandeer

  I'm trying to create a simple GUI for ffmpeg but am having problems getting the progress of a command. I'm using PySide as the GUI toolkit and I'm also using python3. I'm using QProcess to run the command and would just like to be able to create a progress bar. The code can be found here : https://github.com/stephenmac7/ffpy/blob/master/ffpy.py

  Also, I'd like to be able to use the statusbar of the main window. Thank you.

  EDIT : Preferably I'd like to use QProgressDialog : http://www.pyside.org/docs/pyside/PySide/QtGui/QProgressDialog.html

• can't livestream on facebook as 720p when using API

  1er août 2018, par boygiandi

  I just realized that when we using facebook api to create a livestream ( /me/live_videos ) , we only get 360p as output max even we sent 1080p. But, if we use Facebook dialog, we can get to 720p, the same video input.

  FB.ui({
  
      display: 'popup',
  
      method: 'live_broadcast',
  
      phase: 'create',
  
  }, function(response) {
  
      FB.ui({
  
        display: 'popup',
  
        method: 'live_broadcast',
  
        phase: 'publish',
  
        broadcast_data: response
  
      }, function(response) {
  
      });
  
  });

  https://developers.facebook.com/docs/graph-api/reference/live-video/

  Does anyone know how to get 720p when we use Facebook graph API ?