@TaG: ov API Video Linux jingle skype PwC WebCam
05a9:a511 OmniVision Technologies, Inc. OV511+ Webcam sudo apt install v4l-utils v4l2-ctl --all -d /dev/video2 Driver Info: Driver name : ov519 Card type : USB Camera (05a9:a511) Bus info : usb-0000:00:14.0-1 Driver version : 5.0.8 Capabilities : 0x85200001 Video Capture Read/Write Streaming Extended Pix Format Device Capabilities Device Caps : 0x05200001 Video Capture Read/Write Streaming Extended Pix Format Priority: 2 Video input : 0 (ov519: ok) Format Video Capture: Width/Height : 640/480 Pixel Format : 'O511' (GSPCA OV511) Field : None Bytes per Line : 640 Size Image : 614400 Colorspace : JPEG Transfer Function : Default (maps to sRGB) YCbCr/HSV Encoding: Default (maps to ITU-R 601) Quantization : Default (maps to Full Range) Flags : Streaming Parameters Video Capture: Frames per second: invalid (0/0) Read buffers : 2 User Controls brightness 0x00980900 (int) : min=0 max=255 step=1 default=127 value=127 flags=inactive, slider contrast 0x00980901 (int) : min=0 max=255 step=1 default=127 value=127 flags=slider saturation 0x00980902 (int) : min=0 max=255 step=1 default=127 value=127 flags=slider power_line_frequency 0x00980918 (menu) : min=0 max=2 default=0 value=0 brightness_automatic 0x00980920 (bool) : default=1 value=1 flags=update
mplayer tv:// -tv driver=v4l2:width=640:height=480:device=/dev/video0 mplayer tv:// -tv driver=v4l2:width=320:height=240:device=/dev/video0
Cinelerra 2.1CV (C) 2006 Heroine Virtual Ltd. Compiled on dimanche 6 juillet 2008, 19:01:47 (UTC+0200) Cinelerra is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. There is absolutely no warranty for Cinelerra. RecordMonitorCanvas::RecordMonitorCanvas 1 0 35 295 465 VDeviceV4L::ioctl VIDIOCGAUDIO: Invalid argument VDeviceV4L::ioctl VIDIOCSAUDIO: Invalid argument VDeviceV4L::v4l_init mmap: Invalid argument
I wanted to confirm that the bug is still present in camorama, or ov51x-jpeg driver
I just tested with latests versions and It's the same behaviour see screenshot while it works with vlc :
ToRead :
mencoder tv:// -tv driver=v4l:width=640:height=480:fps=25:device=/dev/video0 -ovc raw -o /tmp/tmp.avi ... tv.c: norm_from_string(pal): Bogus norm parameter, setting default. Unknown norm! Error: Cannot set norm! Selected input hasn't got a tuner! [V] filefmt:9 fourcc:0x32315659 size:640x480 fps:25.000 ftime:=0.0400 ... 80 duplicate frame(s)! Pos: 3.3s 2f ( 0%) 0.00fps Trem: 0min 0mb A-V:0.000 [2247:0] ...
unable to open '/dev/video0': No such file or directory
find /lib/modules/$(uname -r)/ -iname "*v4l*"
/lib/modules/2.6.32-5-686/kernel/drivers/media/video/v4l2-int-device.ko /lib/modules/2.6.32-5-686/kernel/drivers/media/video/v4l2-common.ko /lib/modules/2.6.32-5-686/kernel/drivers/media/video/v4l1-compat.ko
modprobe -v v4l2-int-device v4l1-compat