Changes for page Video Capture of Computer Screens
Last modified by Drunk Monkey on 2024-10-09 05:32
From version
21.1


edited by Drunk Monkey
on 2022-01-27 15:27
on 2022-01-27 15:27
Change comment:
Uploaded new attachment "image-20220127232731-17.png", version {1}
To version
22.2


edited by Drunk Monkey
on 2022-01-27 16:11
on 2022-01-27 16:11
Change comment:
There is no comment for this version
Summary
Details
- Page properties
-
- Content
-
... ... @@ -23,9 +23,7 @@ 23 23 24 24 1. Run the VLC installer 25 25 1. Install 7-zip 26 -1. Extract the contents of the FFmpeg zip file into a suitable directory. I going to use C:\Local\ffmpeg\ as my FFmpeg installation location for this example. You should see something similar to this: 27 -[[image:image-20220127221835-1.png]]((( 28 - 26 +1. Extract the contents of the FFmpeg zip file into a suitable directory. I going to use C:\Local\ffmpeg\ as my FFmpeg installation location for this example. You should see something similar to this:[[image:image-20220127221835-1.png]]((( 29 29 The contents of the ffmpeg filder should look like this: 30 30 [[image:image-20220127225738-2.png]] 31 31 \\Select all the files and move them into the installation directory. That is C:\Local\ffmpeg\ in this example. ... ... @@ -52,10 +52,15 @@ 52 52 \\Click on OK, and ffmpeg will be available for use on the command line. 53 53 [[image:image-20220127232109-14.png]] 54 54 \\Click on OK to close the Environment Variables settings, and then click on OK to close the System Properties. 55 -1. 56 -1. 57 - 58 -In newer 53 + 54 +1. Start a command line window by typing cmd.exe into the search bar and open the Command Prompt 55 +[[image:image-20220127232411-15.png]] 56 + 57 +1. in that command prompt, type in "ffmpeg" and you should see this: 58 +[[image:image-20220127232635-16.png]] 59 +\\If you get an error like this, either you typed in the command incorrectly (as I did in the following example) or you did not configured your user path correctly and you have to go back and correct it 60 +[[image:image-20220127232731-17.png]] 61 +\\You are now ready to capture video 59 59 ))) 60 60 61 61 (% class="col-xs-12 col-xs-6" %) ... ... @@ -70,4 +70,22 @@ 70 70 71 71 == Video Capture == 72 72 76 +Open a command window, and run the following commands: 77 + 78 +>(% style="font-size:14px" %)cd Desktop 79 +>(% style="font-size:14px" %)ffmpeg -f gdigrab -t 6 -draw_mouse 1 -framerate 60 -i desktop -c:v libx264rgb -crf 0 -preset ultrafast screenCapture.mkv 80 + 81 +(% style="font-size:14px" %)This will create a video file called "screenCapture.mkv" on your desktop that you can replay using VLC Media Player. 82 + 83 +(% style="font-size:14px" %)The parameters to the ffmpeg command have the following meaning 84 + 85 +(% class="min" %) 86 +|-f gdigrab|gdigrab is the windows framebuffer, where the screen is stored 87 +|-t 6|capture 6 seconds of video and exit. 3600 = 1 hour, 14400 = 4 hours 88 +|-draw_mouse 1|capture the mouse pointer 89 +|-i desktop|capture the entire desktop - remember to maximize your window 90 +|-c:v libx264rgb|this video encoder will preserve the rgb color values losslessly 91 +|-crf 0|lossless compression 92 +|-preset ultrafast|save the data as quickly as possible, don't waste too much time compressing the data 93 + 73 73 ----