Changes between Version 10 and Version 11 of Capture/Desktop


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Timestamp:
Dec 11, 2014, 12:09:46 AM (3 years ago)
Author:
Vultaire
Comment:

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  • Capture/Desktop

    v10 v11  
    5656}}} 
    5757 
     58=== Example recipe: live screen capture to webm === 
     59 
     60Here's a recipe used by one user for doing a live full-screen 1920x1080 screen capture to WebM format (VP8/vorbis).  Note that you may need to tweak the -cpu-used or -b:v parameters depending on how fast your system is. 
     61 
     62{{{ 
     63SET "audio_device=<audio_device>" 
     64SET "video_device=<video_device>" 
     65SET "threads=<physical cores minus 1>" 
     66ffmpeg -f dshow -i audio="%audio_device%":video="%video_device%" -c:v libvpx -b:v 2M -deadline realtime -cpu-used -5 -threads %threads% -c:a libvorbis -y output.webm 
     67}}} 
     68 
     69It seems that the audio and video might not be perfectly in sync, but this should be a good starting point and may be "good enough" for some. 
     70 
     71References: 
     72* wiki:Encode/VP8 
     73* http://stackoverflow.com/a/20673805 (the above is based on this SO) 
     74 
    5875== General note == 
    5976