Skip to Content
Last modified by Drunk Monkey on 2024-10-09 05:32
From version 27.1
edited by Drunk Monkey
on 2022-01-27 16:24
Change comment: There is no comment for this version
To version 28.1
edited by Drunk Monkey
on 2022-01-27 18:08
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -68,7 +68,11 @@
68 68  === Mac OSX ===
69 69  
70 70  1. Install VLC
71 +
71 71  1. Install Keka
73 +
74 +1. Install FFmpeg through the use of [[HomeBrew>>https://brew.sh]] (recommended because of all the other useful things you can install if you like this kind of stuff) or install the statically linked binary version of the [[FFmpeg binaries>>http://ffmpeg.org/download.html]] from [[https:~~/~~/evermeet.cx/ffmpeg/>>https://evermeet.cx/ffmpeg/]].  This file will need to be placed into a directory that's on your path (not yet described how to do)
75 +\\The statically linked installation is going to be faster and easier to do than the homebrew version.
72 72  )))
73 73  )))
74 74  
... ... @@ -91,11 +91,12 @@
91 91  
92 92  (% style="font-size:14px" %)This will create a video file called "screenCapture.mkv" on your desktop that you can replay using VLC Media Player.
93 93  
94 -(% style="font-size:14px" %)The parameters to the ffmpeg command have the following meaning
98 +(% style="font-size:14px" %)The parameters to the ffmpeg command have the following meanings
95 95  
96 96  (% class="min" %)
97 97  |-f gdigrab|gdigrab is the windows framebuffer, where the screen is stored
98 98  |-t 6|capture 6 seconds of video and exit.  3600 = 1 hour, 14400 = 4 hours
103 +|(% style="font-size:14px" %)-framerate 60|if you want to see the candles paint second by second, you should have a framerate of at least 60.  Technically speaking, you actually need 120, but let's not get too crazy.
99 99  |-draw_mouse 1|capture the mouse pointer
100 100  |-i desktop|capture the entire desktop -  remember to maximize your window
101 101  |-c:v libx264rgb|this video encoder will preserve the rgb color values losslessly
... ... @@ -113,8 +113,29 @@
113 113  (((
114 114  === Mac Video Capture ===
115 115  
116 -sfasd
121 +Open a terminal window and run the following commands:
117 117  
118 -asdfasdf
123 +>(% style="font-size:14px" %)cd ~~/Desktopffmpeg -f avfoundation -t 6 -pixel_format 0rgb -capture_cursor 1 -capture_mouse_clicks 1 -framerate 60 -i "1:" -filter:v "format=yuv444p" -c:v libx265 -crf 0 -preset ultrafast screenCapture.mkv
124 +
125 +(% style="font-size:14px" %)This will create a video file called "screenCapture.mkv" on your Desktop that you can replay using VLC Media Player.
126 +
127 +(% style="font-size:14px" %)The parameters to the ffmpeg command have the following meanings
128 +
129 +
130 +(% class="min" %)
131 +|-f avfoundation|gdigrab is the windows framebuffer, where the screen is stored
132 +|-t 6|capture 6 seconds of video and exit.  3600 = 1 hour, 14400 = 4 hours
133 +|(% style="font-size:14px" %)-framerate 60|if you want to see the candles paint second by second, you should have a framerate of at least 60.  Technically speaking, you actually need 120, but let's not get too crazy.
134 +|-pixel_format 0rgb|get the data as RGB colors instead of some bizzzare color model
135 +|-capture_cursor 1|capture the mouse pointer
136 +|-capture_mouse_clicks 1|and capture the clicks with an onscreen visual notification
137 +|-i "1:"|capture the first screen.  Not really important unless you have multiple screens and you are not capturing the primary screen
138 +|-filter:v "format=yuv444p"|transform the input colors into this color format, which is fairly quick when converting from RGB and without too much color shifting
139 +(I'm still looking to improve upon this - the windows encoding has an exact RGB color modelling which means no color shift)
140 +|-c:v libx265|encode the video using H.265 compression.  It makes for smaller videos without consuming too much processing time
141 +|-crf 0|lossless compression
142 +|-preset ultrafast|save the data as quickly as possible, don't waste too much time compressing the data.
143 +
144 +There is no point in trying to compress this video any further with these parameters.  Further compression will require a lot of time and cpu power to see any further gain.
119 119  )))
120 120  )))