Some questions:
- Where is bttv configuration file?
- Where is xawtv configuration file? I try searching all HD for xawtvrc file without success. xawtv always start in PAL and euro frec, and overlay do not work.
- How is assigned the number /dev/video0 or 1 to each device, after install Red Hat 7.1 with the usb camera unplugged I first Install the bttv drivers.
- How to enable DGA support?
- What is the address for v4l-conf -a?
[root@localhost bttv-0.8.18]# xawtv -hwscan
This is xawtv-3.55, running on Linux/i686 (2.4.2-2)
looking for available devices
/dev/video0: OK
type: v4l
name: OV511 USB Camera
flags: capture
/dev/video1: OK
type: v4l
name: BT878(AVerMedia TVPhone 98)
flags: overlay capture tuner
[root@localhost bttv-0.8.18]# xawtv -c /dev/video1
This is xawtv-3.55, running on Linux/i686 (2.4.2-2)
WARNING: No DGA support available for this display
WARNING: couldn't find framebuffer base address, try manual
configuration ("v4l-conf -a <addr>")
[root@localhost bttv-0.8.18]# v4l-conf
v4l-conf: using X11 display :0
dga: version 2.0
WARNING: No DGA support available for this display.
mode: 1024x768, depth=16, bpp=16, bpl=2048, base=unknown
/dev/video0 [v4l2]: ioctl VIDIOC_QUERYCAP: Invalid argument
/dev/video0 [v4l]: no overlay support
[root@localhost bttv-0.8.18]# xawtv -c /dev/video1
This is xawtv-3.55, running on Linux/i686 (2.4.2-2)
WARNING: No DGA support available for this display.
WARNING: couldn't find framebuffer base address, try manual
configuration ("v4l-conf -a <addr>")
[root@localhost bttv-0.8.18]# xawtv -c /dev/video0
This is xawtv-3.55, running on Linux/i686 (2.4.2-2)
WARNING: No DGA support available for this display.
/dev/video0 [v4l]: no overlay support
v4l-conf had some trouble, trying to continue anyway
config: invalid value for input: Television
valid choices for "input": "Camera"
X Error of failed request: BadWindow (invalid Window parameter)
Major opcode of failed request: 2 (X_ChangeWindowAttributes)
Resource id in failed request: 0x200004b
Serial number of failed request: 292
Current serial number in output stream: 292
