Re: [Linux-uvc-devel] frame rate dropping when capturing from webcam

2010-03-17 Thread Laurent Pinchart
Hi Cesar, On Tuesday 09 March 2010 06:12:19 Cesar Maciel wrote: > Hi Laurent, > No, I did not. Does it depend on the camera model to set a given flag, > or is it universal provided that the camera is uvc compliant? UVC webcams are not required to support disabling the auto-exposure, but if they

Re: [Linux-uvc-devel] frame rate dropping when capturing from webcam

2010-03-04 Thread Laurent Pinchart
Hi Cesar, On Tuesday 23 February 2010 01:48:10 Cesar Maciel wrote: > Hello, > > I am trying to capture from a webcam with a fixed frame rate. I am using > ffmpeg (svn revision 21498) with the following options: > > > ./ffmpeg -y -t 00:01:00 -f video4linux2 -r 30 -s 352x288 -i > /dev/video0 -

[Linux-uvc-devel] frame rate dropping when capturing from webcam

2010-02-22 Thread Cesar Maciel
Hello, I am trying to capture from a webcam with a fixed frame rate. I am using ffmpeg (svn revision 21498) with the following options: ./ffmpeg -y -t 00:01:00 -f video4linux2 -r 30 -s 352x288 -i /dev/video0 -vcodec msmpeg4v2 -f avi -r 30 video.avi I used two webcams where uvcvideo shows