[cpia] CPiA 0.7.2 & Zoomtel camera: Colour balance strangene
Thomas Davis
tadavis@lbl.gov
Fri, 03 Mar 2000 10:19:48 -0800
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Peter Pregler wrote:
> it is much brighter. Apparently some correction is triggered. After that
> it settles down close to the same as the linux result. But the end-result
> is still way too redish (see my web-page, url in the signature). So my
> wild guess is that this is a more fundamental problem with the
> color-correction firmware of the CPiA. Can you post your version
> information? I have also seen people posting CPiA-versions
> 1.30. Mine is:
>
> CPiA Version: 1.20 (2.0)
> CPiA PnP-ID: 0553:0002:0100
> VP-Version: 1.0 0100
>
> The developers guide does only cover 1.20. So maybe we should ask for an
> updated document?
>
Interesting. I've got a v1.20 (2.10) camera, and I get the yellowish
values no matter what I do.
It's from ezonics.
I've attached the /proc/cpia/video0 file.
--
------------------------+--------------------------------------------------
Thomas Davis | PDSF Project Leader
tadavis@lbl.gov |
(510) 486-4524 | "Only a petabyte of data this year?"
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CPIA Version: 1.30 (2.10)
CPIA PnP-ID: 0553:0002:0100
VP-Version: 1.0 0100
system_state: 0x03
grab_state: 0x38
stream_state: 0x00
fatal_error: 0x00
cmd_error: 0x00
debug_flags: 0x00
vp_status: 0xe0
error_code: 0x02
video_size: CIF
sub_sample: 422
yuv_order: YUYV
roi: ( 0, 0) to (352, 288)
actual_fps: 14
transfer_rate: 60kB/s
read-write
----------------------- current min max default comment
brightness: 50 0 100 50
contrast: 48 0 96 48 steps of 8
saturation: 50 0 100 50
sensor_fps: 15.000 3 30 15
stream_start_line: 240 0 288 240
ecp_timing: normal slow normal normal
color_balance_mode: auto manual auto auto
red_gain: 5 0 212 32
green_gain: 3 0 212 6
blue_gain: 212 0 212 92
max_gain: 2 1,2,4,8 2
exposure_mode: auto manual auto auto
centre_weight: on off on on
gain: 1 1 max_gain 1 1,2,4,8 possible
fine_exp: 236 0 511 0
coarse_exp: 4 0 65535 185
red_comp: 0 220 255 220
green1_comp: 0 214 255 214
green2_comp: 192 214 255 214
blue_comp: 128 230 255 230
apcor_gain1: 0x1c 0x0 0xff 0x1c
apcor_gain2: 0x1a 0x0 0xff 0x1a
apcor_gain4: 0x2d 0x0 0xff 0x2d
apcor_gain8: 0x2a 0x0 0xff 0x2a
vl_offset_gain1: 24 0 255 24
vl_offset_gain2: 28 0 255 28
vl_offset_gain4: 30 0 255 30
vl_offset_gain8: 30 0 255 30
flicker_control: off off on off
mains_frequency: 50 50 60 50 only 50/60
allowable_overexposure: 0 0 255 0
compression_mode: auto none,auto,manual auto
decimation_enable: off off off off
compression_target: quality framerate quality quality
target_framerate: 7 0 30 7
target_quality: 10 0 255 10
y_threshold: 15 0 31 15
uv_threshold: 15 0 31 15
hysteresis: 3 0 255 3
threshold_max: 11 0 255 11
small_step: 1 0 255 1
large_step: 3 0 255 3
decimation_hysteresis: 2 0 255 2
fr_diff_step_thresh: 5 0 255 5
q_diff_step_thresh: 3 0 255 3
decimation_thresh_mod: 2 0 255 2
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