New issue 612 in Magic Lantern: Magic Zoom on build 22 Agust flickers like hell! 550D
Bitbucket
New issue 612: Magic Zoom on build 22 Agust flickers like hell! 550D
https://bitbucket.org/hudson/magic-lantern/issue/612/magic-zoom-on-build-22-agust-flickers-like
Anonymous on Tue, 23 Aug 2011 04:21:42 +0200:
Description:
Hi. Tried the new bulild on my 550D but when I turned on Magic Zoom it flickers like nothing I have seen before! It's both in non-recording as in recording mode. I have tried to deactivate everything except the magic zoom to see if it was the buffer that killed it but no... still flickers. How can this be fixed? Should I send you a debug log?
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unity2k
I tried activating every function I could (histogram, zebras, false
color, spot meter, focus peak) and changed the CBR up and down, but
still cannot get it to flicker, it's quite solid on my 550d. The only
thing that flickers on my screen are the percentage values that
display when spot meter is used.
On Aug 22, 7:21 pm, Bitbucket <issues-nore...@bitbucket.org> wrote:
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Aquillum
restart.
I then charged the battery, started up and flickeringwas gone.
Strange, but maybe my batt was almost empty (i played with ML till it
was red) and just needed that charging...
On 23 Aug., 04:21, Bitbucket <issues-nore...@bitbucket.org> wrote:
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Stifa
The problem is that i shoot ONLY in 720p mode :) , so it is back to
the older build for me ...for now.
Why is this happening in 720p mode ? could you make it to flicker in
1080 mode instead :)...
It would be a complete wonderful new build if this could be fixed .
Thanks Alex.
Mark
Alex
I don't remember it working in 720p...
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Stifa
it is still flickering...
It seems that someone was playing with my camera and switched 1080 as
output mode.... my mistake.
Any clue why it is not working in 720p mode while in 1080 is okay ?
Cheers
Alex
I believe only AJ can fix this :)
Stifa
Cmmon AJ, we believe in you . :)
Cheers
Alex
DIGIC). And so far, only AJ has some clues on how to do this.
Stifa
flicker.... but is it SAFE ? :)
Alex
And, of course, as with all magic lantern versions... if it breaks,
you get to keep both pieces, I can't offer you any guarantee.
On Tue, Aug 23, 2011 at 3:58 PM, Stifa <ste...@gmail.com> wrote:
> I still find it semi-useful ...you can still see just enough through
> flicker.... but is it SAFE ? :)
>
Antony Newman
Alex,
Off the top of my head ... the following is the sort of code I'd write for an optimal memcpy.
AJ
==================================================
STMFD r13!,{r0 - r10} ; Store registers
MOV r0,#? ; Destination address -> make sure 32Byte boundary
MOV r1,#? ; Source address -> make sure 32Byte boundary MOV r2,#256 ; Number of lines to copy
CopyLine ; This is hard coded for 8 x 8 x 4 bytes = 256 bytes
; Increase or decrease number of LDM's/STMs for exact bytes per line
LDMIA r1!, {r3 - r10}
STMIA r0!, {r3 - r10}
LDMIA r1!, {r3 - r10}
STMIA r0!, {r3 - r10}
LDMIA r1!, {r3 - r10}
STMIA r0!, {r3 - r10}
LDMIA r1!, {r3 - r10}
STMIA r0!, {r3 - r10}
LDMIA r1!, {r3 - r10}
STMIA r0!, {r3 - r10}
LDMIA r1!, {r3 - r10}
STMIA r0!, {r3 - r10}
LDMIA r1!, {r3 - r10}
STMIA r0!, {r3 - r10}
LDMIA r1!, {r3 - r10}
STMIA r0!, {r3 - r10}
SUBS r2, r2, #1
BGE CopyLine
LDMFD r13!,{r0 - r10} ; Restore registers==========================================