the sx20 porting thread - page 127 - General Discussion and Assistance - CHDK Forum
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the sx20 porting thread

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Offline baxev2005

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Re: the sx20 porting thread
« Reply #1260 on: 16 / May / 2011, 15:53:26 »
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f_m_b I tested both 1144 and 1160 versions of 1.00f and I fully agree with jan and phaedra findings. 1160 version is stable and probably ready to be put in download section. Further I noticed the following regarding canon raw file format: as previously stressed canon raw format was unreadable. I have version 10 of Firegraphic photo viewer, which could not read .crw files produced. However when I tested version 1144 I discovered that .crw files were readable and usable!!!. But after switching to newer version 1160 .crw files were again unreadable, as before. What changed between versions???? .dng files were ok on any version. Thanks for your efforts.
« Last Edit: 17 / May / 2011, 14:58:36 by baxev2005 »
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Offline reyalp

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Re: the sx20 porting thread
« Reply #1261 on: 17 / May / 2011, 16:09:05 »
Nothing has changed in the CRW files. This "format" is just an exact copy of the sensor data. It never changes. Futhermore, programs that wish to support this "format" need to be updated for new camera models. This is not something that can be controlled by CHDK, it's up to the maintainers of the individual programs. See also http://chdk.wikia.com/wiki/Raw

Note that you can save DNG *format* with CRW *extension*. This may confuse some image processing programs, while others that understand DNG may ignore the extension and correctly load the DNG.

I would suggest that what you observed is like this.
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Offline f_m_b

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Re: the sx20 porting thread
« Reply #1262 on: 17 / May / 2011, 17:12:45 »
Hello baxev2005

to see my jpg/RAW/DNG pictures i use IrfanView (428) with CRW/CR2 Plugin for canon cameras  (422).

Just try it.
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Greetings Frank
SX20 (1.02b)
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Offline baxev2005

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Re: the sx20 porting thread
« Reply #1263 on: 18 / May / 2011, 11:00:02 »
Thanks to all for the great work you 're doing

@reyalp I checked file sizes and concluded that you are correct. Being not careful enough I managed to save .dng format files with .crw extension. Therefore it was .dng file with .crw ext what I was looking at.

@f_m_b thanks for the info I will try that also
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Offline SkyWalker9

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Re: the sx20 porting thread
« Reply #1264 on: 20 / May / 2011, 00:25:43 »
Back on post 1106 I listed the SX20 PropCas IDs that I had found. Since then I have found a few more so I decided to post an updated listing here for those who might be interested in using some of them in their scripts for the SX20.

PropID  Description
------  -- -----------------------------------------------------------------------------------------
5       AF Assist Beam Setting (0=OFF, 1=ON)

8       AF Frame (1=Flexzone  2=Face Detect)

12      Continuous AF (0=OFF, 1=ON)

26      av96

34      bv96

50      Mode Dial setting
            8228   Custom
          -32767   Manual
          -32766   Av
          -32765   Tv
          -32764   Program
          -32768   Auto
          -32755   Portrait
          -32756   Landscape
          -32757   Night Snapshot
          -32249   Sports
           16402   Sunset
          -32246   Stitch Assist
          2600   Movie

66      Date stamp (0=Off  1=Date  2=Date & Time)

102     Drive Mode (0=single  1=continuous  2=continuous shooting AF)

127     Flash Exposure Compensation (+/- 32, 64, 96, 128, 160, 192 = +/- 1/3, 2/3, 1, 1 1/3, 1 2/3, 2) 

133     MF (0=OFF,  1=ON); opposite of AF (i.e if MF=1 then AF=0)

149     ISO (Auto, 80, 100, 200, 400, 800, 1600, 3200 using SCN & mode dial) 
                  0   Auto
                 80   ISO 80
                100   ISO 100
                200   ISO 200
                400   ISO 400
                800   ISO 800
               1600   ISO 1600
               3200   ISO 3200

155     Type of metering (0=Evaluative  1=Spot  2=Center Weighted)

169     Video Quality (1=320x240  2=640x480  4=1280x720)

209     Exposure Compensation Dial (+/- 32, 64, 96, 128, 160, 192 = +/- 1/3, 2/3, 1, 1 1/3, 1 2/3, 2)

214     'Review Info' available after taking photo (0=OFF  1=Detailed  2=Focus Check)

220     Photo resolution/size (0=Large  1=Med 1  2=Med 2  3=Med 3   4=Sending email  8=Wide)

225     Delay Timer (0=OFF  1=2 sec  2=10 sec  3=Custom/3 shots  4=3 shots)

249     sv96

266     tv96

270     White Balance
                  0   Auto
                  1   Daylight
                  2   Cloudy
                  3   Tungsten
                  4   Fluorescent
                  5   Fluorescent H
                  6   Flash
                  7   Custom

281     Safety MF (0=OFF, 1=ON)

282     AF (0=OFF,  1=ON); opposite of MF (i.e if AF=1 then MF=0)

297     Servo AF (0=OFF, 1=ON
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Offline fe50

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Re: the sx20 porting thread
« Reply #1265 on: 20 / May / 2011, 01:01:10 »
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Offline Lebowski

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Re: the sx20 porting thread
« Reply #1266 on: 03 / July / 2011, 20:08:55 »
 I downloaded the latest build and the Override shutter feature crashes the camera when Value factor is set to 1.
TV  is showing in the left top corner of the window with Value factor set to 1.
If not set to 1, the override seems to be set to the cameras shutter speed default limit of 1/3200. The camera will trigger.
TV is not showing in the window if 1 is not chosen.

I used Acid to acquire the build (CHDK/sx20-102b).
Should I be using sx20-100f-0?


Lebowski   
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Offline reyalp

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Re: the sx20 porting thread
« Reply #1267 on: 03 / July / 2011, 20:23:37 »
Quote from: Lebowski on 03 / July / 2011, 20:08:55
I used Acid to acquire the build (CHDK/sx20-102b).
Should I be using sx20-100f-0?
The 100f, 102b etc. refers the the canon firmware version. You need to use the one that matches the canon firmware version of your camera.
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Offline Lebowski

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Re: the sx20 porting thread
« Reply #1268 on: 03 / July / 2011, 20:27:36 »
My Firmware is 100f. Which version of CHDK should I be using from the Autobuild download page?

1.02B: sx20-102b-0.9.9-1220-full.zip  (547KB) sx20-102b-0.9.9-1220.zip  (210KB)
1.02D: sx20-102d-0.9.9-1220-full.zip  (547KB) sx20-102d-0.9.9-1220.zip  (210KB)

I want the full version, and but don't understand the the difference between 1.02B and 1.02D

Lebowski
« Last Edit: 03 / July / 2011, 20:51:22 by Lebowski »
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Offline reyalp

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Re: the sx20 porting thread
« Reply #1269 on: 03 / July / 2011, 22:16:35 »
Quote from: Lebowski on 03 / July / 2011, 20:27:36
My Firmware is 100f. Which version of CHDK should I be using from the Autobuild download page?

1.02B: sx20-102b-0.9.9-1220-full.zip  (547KB) sx20-102b-0.9.9-1220.zip  (210KB)
1.02D: sx20-102d-0.9.9-1220-full.zip  (547KB) sx20-102d-0.9.9-1220.zip  (210KB)

I want the full version, and but don't understand the the difference between 1.02B and 1.02D

Lebowski
If your camera is 100f, then you need a 100f build, unless 100f has been proven to be compatible with some other build. There is no 100f build on the autobuild server yet.

There is discussion of 100f earlier in the thread, which I believe includes some builds. See this post http://chdk.setepontos.com/index.php?topic=4348.msg65447#msg65447
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