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Last modified by Drunk Monkey on 2024-10-09 05:32
From version 36.1
edited by Drunk Monkey
on 2024-10-09 05:32
Change comment: There is no comment for this version
To version 30.1
edited by Drunk Monkey
on 2022-01-27 18:11
Change comment: There is no comment for this version

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86 86  (((
87 87  (% class="col-xs-12 col-xs-6" style="border-right:black solid 1px;" %)
88 88  (((
89 -=== Windows ===
89 +=== Windows Video Capture ===
90 90  
91 91  Open a command window, and run the following commands:
92 92  
... ... @@ -116,18 +116,17 @@
116 116  
117 117  (% class="col-xs-12 col-xs-6" %)
118 118  (((
119 -=== Mac OSX ===
119 +=== Mac Video Capture ===
120 120  
121 121  Open a terminal window and run the following commands:
122 122  
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
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
125 125  
126 126  (% style="font-size:14px" %)This will create a video file called "screenCapture.mkv" on your Desktop that you can replay using VLC Media Player.
127 127  
128 128  (% style="font-size:14px" %)The parameters to the ffmpeg command have the following meanings
129 129  
130 -(% class="lined min" %)
129 +(% class="min lined" %)
131 131  |-f avfoundation|gdigrab is the windows framebuffer, where the screen is stored
132 132  |-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
133 133  |(% 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.
... ... @@ -134,11 +134,7 @@
134 134  |-pixel_format 0rgb|get the data as RGB colors instead of some bizzzare color model
135 135  |-capture_cursor 1|capture the mouse pointer
136 136  |-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. Use '##ffmpeg -f avfoundation -list_devices true -i ""##' to list the capturable devices on your computer
140 -\\to capture a particular window
141 -)))
136 +|-i "1:"|capture the first screen.  Not really important unless you have multiple screens and you are not capturing the primary screen
142 142  |-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
143 143  (I'm still looking to improve upon this - the windows encoding has an exact RGB color modelling which means no color shift)
144 144  |-c:v libx265|encode the video using H.265 compression.  It makes for smaller videos without consuming too much processing time
... ... @@ -148,43 +148,3 @@
148 148  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.
149 149  )))
150 150  )))
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 -(% style="font-size:14px" %)extract audio
184 -
185 -(% style="font-size:14px" %)ffprobe <videofile> to determine the audio format
186 -
187 -(% style="font-size:14px" %)ffmpeg -i <filename> -y -ss 01:50:47.0 -t 0:02:03 -vn -c:a copy <outputaudio>.aac  (assuming audio is aac as determined by ffprobe above)
188 -
189 -
190 -