problem about screencasting-Collection of common programming errors

• 
  Gilles
  audio ffmpeg screencasting
  I have put together this script for recording the microphone, the desktop audio and the screen using ffmpeg:DATE=`which date` RESO=2560×1440 FPS=30 PRESET=ultrafast DIRECTORY=$HOME/Video/ FILENAME=videocast`$DATE +%d%m%Y_%H.%M.%S`.mkvffmpeg -y -vsync 1 \ -f pulse -ac 2 -i alsa_output.pci-0000_00_1b.0.analog-stereo.monitor \ -f pulse -ac 1 -ar 25000 -i alsa_input.usb-0d8c_C-Media_USB_Headphone_Set-00-Set.analog-mono \ -filter_complex aresample=async=1,amix=duration=shortest,apad \ -f x11grab -r $

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