I'm running 10.04 ubuntu server and I've installed 2 pc card pico 2000 4ch each one. Reading wiki and forums I set:
V4L_MULTI_BUFFER disable
CAPTURES_PER_FRAME 4
da lspci:
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03:01.0 Multimedia video controller: Brooktree Corporation Bt878 Video Capture (rev 11)
03:01.1 Multimedia controller: Brooktree Corporation Bt878 Audio Capture (rev 11)
03:02.0 Multimedia video controller: Brooktree Corporation Bt878 Video Capture (rev 11)
03:02.1 Multimedia controller: Brooktree Corporation Bt878 Audio Capture (rev 11)
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Video Device: /dev/video0
General Capabilities
Driver: bttv
Card: BT878 video (GrandTec Multi Cap
Bus: PCI:0000:03:01.0
Version: 0.9.18
Type: 0x5000015
Supports video capture (X)
Does not support video output
Supports frame buffer overlay
Supports VBI capture
Does not support VBI output
Does not support sliced VBI capture
Does not support sliced VBI output
Does not support video output overlay
Does not have tuner
Does not have audio in and/or out
Does not have radio
Supports read/write i/o (X)
Does not support async i/o
Supports streaming i/o (X)
Standards:
NTSC
NTSC-M
NTSC-M-JP
NTSC-M-KR
PAL
PAL-BG
PAL-H
PAL-I
PAL-DK
PAL-M
PAL-N
PAL-Nc
PAL-60
SECAM
SECAM-B
SECAM-G
SECAM-H
SECAM-DK
SECAM-L
SECAM-Lc
Formats:
8 bpp, gray (GREY)
8 bpp, dithered color (HI24)
15 bpp RGB, le (RGBO)
15 bpp RGB, be (RGBQ)
16 bpp RGB, le (RGBP)
16 bpp RGB, be (RGBR)
24 bpp RGB, le (BGR3)
32 bpp RGB, le (BGR4)
32 bpp RGB, be (RGB4)
4:2:2, packed, YUYV (YUYV)
4:2:2, packed, YUYV (YUYV)
4:2:2, packed, UYVY (UYVY)
4:2:2, planar, Y-Cb-Cr (422P)
4:2:0, planar, Y-Cb-Cr (YU12)
4:2:0, planar, Y-Cr-Cb (YV12)
4:1:1, planar, Y-Cb-Cr (411P)
4:1:0, planar, Y-Cb-Cr (YUV9)
4:1:0, planar, Y-Cr-Cb (YVU9)
Crop Capabilities
Bounds: 1063 x 608
Default: 924 x 576
Current: 924 x 576
Inputs: 4
Input 0
Name: Composite0
Type: Camera
Audioset: 00000001
Standards: 0xffbfff
Power on (X)
Signal detected (X)
Colour Signal detected
Horizontal Lock detected
Input 1
Name: Composite1
Type: Camera
Audioset: 00000001
Standards: 0xffbfff
Power on (X)
Signal detected (X)
Colour Signal detected
Horizontal Lock detected
Input 2
Name: Composite2
Type: Camera
Audioset: 00000001
Standards: 0xffbfff
Power on (X)
Signal detected (X)
Colour Signal detected
Horizontal Lock detected
Input 3
Name: Composite3
Type: Camera
Audioset: 00000001
Standards: 0xffbfff
Power on (X)
Signal detected (X)
Colour Signal detected
Horizontal Lock detected
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Video Device: /dev/video1
General Capabilities
Driver: bttv
Card: BT878 video (GrandTec Multi Cap
Bus: PCI:0000:03:02.0
Version: 0.9.18
Type: 0x5000015
Supports video capture (X)
Does not support video output
Supports frame buffer overlay
Supports VBI capture
Does not support VBI output
Does not support sliced VBI capture
Does not support sliced VBI output
Does not support video output overlay
Does not have tuner
Does not have audio in and/or out
Does not have radio
Supports read/write i/o (X)
Does not support async i/o
Supports streaming i/o (X)
Standards:
NTSC
NTSC-M
NTSC-M-JP
NTSC-M-KR
PAL
PAL-BG
PAL-H
PAL-I
PAL-DK
PAL-M
PAL-N
PAL-Nc
PAL-60
SECAM
SECAM-B
SECAM-G
SECAM-H
SECAM-DK
SECAM-L
SECAM-Lc
Formats:
8 bpp, gray (GREY)
8 bpp, dithered color (HI24)
15 bpp RGB, le (RGBO)
15 bpp RGB, be (RGBQ)
16 bpp RGB, le (RGBP)
16 bpp RGB, be (RGBR)
24 bpp RGB, le (BGR3)
32 bpp RGB, le (BGR4)
32 bpp RGB, be (RGB4)
4:2:2, packed, YUYV (YUYV)
4:2:2, packed, YUYV (YUYV)
4:2:2, packed, UYVY (UYVY)
4:2:2, planar, Y-Cb-Cr (422P)
4:2:0, planar, Y-Cb-Cr (YU12)
4:2:0, planar, Y-Cr-Cb (YV12)
4:1:1, planar, Y-Cb-Cr (411P)
4:1:0, planar, Y-Cb-Cr (YUV9)
4:1:0, planar, Y-Cr-Cb (YVU9)
Crop Capabilities
Bounds: 1063 x 608
Default: 924 x 576
Current: 924 x 576
Inputs: 4
Input 0
Name: Composite0
Type: Camera
Audioset: 00000001
Standards: 0xffbfff
Power on (X)
Signal detected (X)
Colour Signal detected
Horizontal Lock detected
Input 1
Name: Composite1
Type: Camera
Audioset: 00000001
Standards: 0xffbfff
Power on (X)
Signal detected (X)
Colour Signal detected
Horizontal Lock detected
Input 2
Name: Composite2
Type: Camera
Audioset: 00000001
Standards: 0xffbfff
Power on (X)
Signal detected (X)
Colour Signal detected
Horizontal Lock detected
Input 3
Name: Composite3
Type: Camera
Audioset: 00000001
Standards: 0xffbfff
Power on (X)
Signal detected (X)
Colour Signal detected
Horizontal Lock detected
other settings: kernel.shmall= 4096000 kernel.shmmax = 134217728
The monitor in video0 and video1 channel 1, 2 and 3 display image normally black or sometimes mixed black-white.
On the card there are 3 buttons that permit, as stamp on it, to change camera 1-4 5-8 9-12 13-16.
Help please