merged
authorOleksandr Gavenko <gavenkoa@gmail.com>
Wed, 03 Jul 2013 09:57:17 +0300
changeset 1502 73e40e83592a
parent 1501 b9fa2b857249 (current diff)
parent 1499 b19fe371e90e (diff)
child 1504 0250dae22eba
merged
--- a/video.rst	Thu Jun 27 00:13:23 2013 +0300
+++ b/video.rst	Wed Jul 03 09:57:17 2013 +0300
@@ -38,13 +38,22 @@
 Web camera.
 ===========
 
-To view image::
+View picture from web camera on display screen::
 
   $ mplayer tv://
   $ mplayer tv:// -tv driver=v4l2:width=640:height=480:fps=15:device=/dev/video0
   $ cheese
   $ camorama
 
+Make screenshort from web camera::
+
+  $ ffmpeg -f video4linux2 -i /dev/v4l/by-id/CAMERA -vframes 1 test.jpeg
+  $ ffmpeg -f video4linux2 -i /dev/v4l/by-id/CAMERA -vframes 4 test%3d.jpeg
+
+Record web camera to a file::
+
+  $ mencoder -fps 15 tv:// -ovc lavc -o my.avi
+
 See:
 
   http://wiki.debian.org/Webcam