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the sx10 porting thread

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Offline Microfunguy

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Re: Is CHDK for SX10 possible in the future
« Reply #70 on: 13 / March / 2009, 06:27:16 »
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Quote from: ewavr on 13 / March / 2009, 05:49:40
FF83DDF4 RefreshUSBMode
FF87EC9C PostLogicalEventForNotPowerType

Thanks.

For cameras with a playback pushbutton, these parameters seem to work :-

RECORD    0x1001
PLAYBACK 0x1003
MOVIE       0x9A5


Cannot get it to work on the A550 though.
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Offline amg

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Re: Is CHDK for SX10 possible in the future
« Reply #71 on: 13 / March / 2009, 06:39:22 »
Hi All,

Do you think HD video recording can be enabled on the SX10? I think the difference between SX1 and SX10 is only the sensor and the SX200 can record 720p video with a CCD sensor very similar to the one in SX10.

Also, can faster continuous shooting rates be enabled by CHDK? As the camera can do about 3.6fps in ISO3200 mode (2MP) it seems that the 1.4fps limit in all other modes (including regular 2MP and even 0.3MP) is a limitation imposed by the firmware.
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Offline ewavr

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Re: Is CHDK for SX10 possible in the future
« Reply #72 on: 13 / March / 2009, 10:49:36 »
Some investigations about 12-bit RAW.
I inspected pixel values statistics for SX10 using show_stat program.

ISO80, 1/1000s, lens closed by cover (format is: pixel_value   pixel_count):

Code: [Select]
0 5239 (bad pixels)
1 0
2 0
<skip>
<near to black level>
108 475
109 0
110 0
111 17
112 22602
113 0
114 0
115 153
116 274120
117 0
118 0
119 252
120 1529611
121 0
122 0
123 0
124 3548186
125 0
126 0
127 0
128 3462915
129 0
130 0
131 0
132 1263513
133 0
134 0
135 0
136 196005
137 0
138 0
139 0
140 8536
141 0
142 0
143 0
144 195

Real image, ISO 80, 1/60 s
Code: [Select]
2028 3748
2029 0
2030 0
2031 0
2032 3566
2033 0
2034 0
2035 0
2036 3649
2037 0
2038 0
2039 0
2040 3482
2041 0
2042 0
2043 0
<white level>
4088 607
4089 0
4090 0
4091 0
4092 286320
4093 0
4094 0
4095 0

Real image, ISO80, 5 s, NR=off
Code: [Select]
672 11048
673 250
674 127
675 49
676 10945
677 238
678 121
679 56
680 10829
681 243
682 123
683 42

You still think that the 12-bit ADC means 12-bit measurement accuracy?  :haha
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Offline fe50

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Re: Is CHDK for SX10 possible in the future
« Reply #73 on: 13 / March / 2009, 13:31:03 »
Quote from: ewavr on 12 / March / 2009, 21:51:33
SX10 1.01A updated: added wheel support, multipartition support, RAW sum/average for 12-bit RAW (to do: curves and RAW subtract  for 12-bit RAW).
Forget about video bitrate change (no MJPEG inside?).
Binaries + scr: http://ewavr.nm.ru/chdk/for_test/

Wheel support & multipartition setup (8GB, 2MB+ restMB) with swapping via menu works fine, also the 3rd ALT-shortcut (video button)  :)
Quote

You still think that the 12-bit ADC means 12-bit measurement accuracy?  Grin
not really  ;)
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Offline sandeman

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Re: Is CHDK for SX10 possible in the future
« Reply #74 on: 13 / March / 2009, 14:31:52 »
Quote from: ewavr on 13 / March / 2009, 10:49:36
You still think that the 12-bit ADC means 12-bit measurement accuracy?  :haha

But it seems to be 10 bit, still better than the 8 bit JPEGs.
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Offline fe50

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Re: Is CHDK for SX10 possible in the future
« Reply #75 on: 13 / March / 2009, 18:34:12 »
Quote from: ewavr on 12 / March / 2009, 21:51:33
SX10 1.01A updated

Also successfully tested:
- Power on in record mode (hold power btn)
- MD (fudgey's MDFB-080914), ~85ms most time, rarely ~100 ms reaction time
- Tv bracketing (- mode, + mode, +/- mode)
- Subj. Dist. bracketing
- LED's (all working)
- User menu (uses the AF frame selector / Delete button for selection)
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Offline ewavr

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Re: Is CHDK for SX10 possible in the future
« Reply #76 on: 13 / March / 2009, 20:16:56 »
Updated again - RAW subtraction is patched for 12-bit support, some minor fixes.
Curves are removed from this build, because I have no idea how to patch it for 12-bit support.

@fe50
Many thanks for testing. Since I'm newbee as CHDK user, I can't test all its features  ;)

that does not work:
- Auto NR with shutter speed override;
- shutter speed override (and maybe other overrides), if shutter button is pressed quickly.
So far, I have no idea how to fix it.
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Offline ewavr

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Re: Is CHDK for SX10 possible in the future
« Reply #77 on: 14 / March / 2009, 19:43:40 »
Quote from: ewavr on 13 / March / 2009, 20:16:56
- shutter speed override (and maybe other overrides), if shutter button is pressed quickly.
Probably fixed, but more testing is required.

Quote
- Auto NR with shutter speed override;
Not fixed, but if shutter is pressed quickly, NR works correctly.
Files are updated.
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Offline PhyrePhoX

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Re: Is CHDK for SX10 possible in the future
« Reply #78 on: 14 / March / 2009, 20:02:31 »
i'm reading ALOT of reviews about the sx10 lately, and all of these reviews come to the same conclusion: remarkably good camera.
if i hadnt invested in my slr system, i think i would already own a sx10 by now. what is a good camera + chdk? a VERY good camera.
great job, ewavr, and all those who contributed.
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Offline fe50

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Re: Is CHDK for SX10 possible in the future
« Reply #79 on: 14 / March / 2009, 21:16:36 »
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