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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 34.1
edited by Drunk Monkey
on 2022-07-18 04:45
Change comment: There is no comment for this version

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... ... @@ -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  
... ... @@ -82,7 +82,7 @@
82 82  (((
83 83  (% class="col-xs-12 col-xs-6" style="border-right:black solid 1px;" %)
84 84  (((
85 -=== Windows Video Capture ===
89 +=== Windows ===
86 86  
87 87  Open a command window, and run the following commands:
88 88  
... ... @@ -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 -(% class="min" %)
100 +(% class="grid min" %)
97 97  |-f gdigrab|gdigrab is the windows framebuffer, where the screen is stored
98 -|-t 6|capture 6 seconds of video and exit.  3600 = 1 hour, 14400 = 4 hours
102 +|-t 6|capture 6 seconds of video and exit.  3600 = 1 hour, 14400 = 4 hours.  If you omit this parameter, the capture will continue until you press [Control C] to gracefully tell ffmpeg to stop
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
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111 111  
112 112  (% class="col-xs-12 col-xs-6" %)
113 113  (((
114 -=== Mac Video Capture ===
119 +=== Mac OSX ===
115 115  
116 -sfasd
121 +Open a terminal window and run the following commands:
117 117  
118 -asdfasdf
123 +>(% style="font-size:14px" %)cd ~~/Desktop
124 +>(% style="font-size:14px" %)ffmpeg -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
125 +
126 +(% style="font-size:14px" %)This will create a video file called "screenCapture.mkv" on your Desktop that you can replay using VLC Media Player.
127 +
128 +(% style="font-size:14px" %)The parameters to the ffmpeg command have the following meanings
129 +
130 +(% class="lined 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.  If you omit this parameter, the capture will continue until you press [Control C] to gracefully tell ffmpeg to stop
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:"
138 +\\\\-i title="window title"|(((
139 +capture the first screen.  Not really important unless you have multiple screens and you are not capturing the primary screen
140 +\\to capture a particular window
119 119  )))
142 +|-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
143 +(I'm still looking to improve upon this - the windows encoding has an exact RGB color modelling which means no color shift)
144 +|-c:v libx265|encode the video using H.265 compression.  It makes for smaller videos without consuming too much processing time
145 +|-crf 0|lossless compression
146 +|-preset ultrafast|save the data as quickly as possible, don't waste too much time compressing the data.
147 +
148 +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.
120 120  )))
150 +)))
151 +
152 +== Audio Capture ==
153 +
154 +=== Windows ===
155 +
156 +=== Mac OSX ===
157 +
158 +
159 +== References ==
160 +
161 +FFmpeg documentation:
162 +
163 +* [[https:~~/~~/ffmpeg.org/documentation.html>>https://ffmpeg.org/documentation.html]]
164 +
165 +Lossless capture:
166 +
167 +* [[https:~~/~~/video.stackexchange.com/questions/25034/lossless-capture-with-ffmpeg>>https://video.stackexchange.com/questions/25034/lossless-capture-with-ffmpeg]]
168 +* [[https:~~/~~/video.stackexchange.com/questions/8305/lossless-screen-recording-software>>https://video.stackexchange.com/questions/8305/lossless-screen-recording-software]]
169 +* [[https:~~/~~/trac.ffmpeg.org/wiki/Capture/Desktop>>https://trac.ffmpeg.org/wiki/Capture/Desktop]]
170 +
171 +Video editing programs
172 +
173 +* black magic davinci resolve
174 +* kdenlive
175 +* shotcut
176 +
177 +== Tips ==
178 +
179 +Screen capture portion of a screen
180 +
181 +>(% style="font-size:14px" %)ffmpeg -y -f avfoundation -t 6 -pixel_format 0rgb -capture_cursor 1 -capture_mouse_clicks 1 -framerate 60 -i "1:" -filter:v "format=yuv444p" -filter:v "crop=1920:1080:320:180" -c:v libx265 -crf 0 -preset ultrafast screenCapture.mkv
182 +
183 +