Unterschiede

Hier werden die Unterschiede zwischen zwei Versionen angezeigt.

--- projekte:vector_graphics_adapter_en [2015/12/13 11:40] – da1l6
+++ projekte:vector_graphics_adapter_en [2015/12/16 18:23] – [Screen Capture] da1l6
@@ Zeile 58: / Zeile 58: @@
 <code>/path/to/build/mpv --fs --geometry=<PRIMARY-MONITOR-WIDTH>:0 --loop --vf scale=256:256,vectorraster:width=2048:height=300 <VIDEO></code>
+==== Screen Capture ====
+{{ :projekte:vga-scope-raster-smb1.jpg?200|}} mpv can capture the screen contents with the help of ffmpeg. This way it is possible to show screen contents (e.g. Games) on the oscilloscope screen.
+This works with both raster and pure vector mode. The Image on the right is made using raster mode.
+<code>/path/to/build/mpv av://x11grab::0 --demuxer-lavf-o='video_size=<WIDTH>x<HEIGHT>,grab_y=<XPOS>,grab_x=<YPOS>,framerate=30' ...</code>
+Video input devices like TV, Webcams and more can be accessed as well:
+<code>/path/to/build/mpv tv:// ...</code>
 ===== Digital oscilloscopes =====
@@ Zeile 75: / Zeile 84: @@
   * Use a low memory depth (e.g. ~7kPoints).
   * Try adjust the DSO sample rate to find the spot of minimal noise.
+===== Our other VGA to Oscilloscope Projects =====
+  * [[https://github.com/ands/vga2scope|An OpenCV-based video player/webcam video streamer]]