canon g12 non stop filming not limited to 30mins - Script Writing - CHDK Forum
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canon g12 non stop filming not limited to 30mins

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Offline nzboardrider

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canon g12 non stop filming not limited to 30mins
« on: 22 / May / 2011, 02:15:16 »
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fat 32 restricts the film lengths..

is it possible to film 1/2 hour after 1/2 hour files? ie multiple files without having to press record every 1/2 hour after it stopped

i film our surf sessions and just missed teh money shots just after 30 mins.. gutted!!

a huge thanks to those who helped get the firmware working on teh g12 - zoom while filming awesome!
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Offline fudgey

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Re: canon g12 non stop filming not limited to 30mins
« Reply #1 on: 22 / May / 2011, 07:36:46 »
The easy way out is to write a script that eternally loops  "start, wait 29 minutes, stop, wait a little while for write to finish". You will miss a few seconds between each file, of course, but probably a lot less than when doing it manually.
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Offline nzboardrider

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Re: canon g12 non stop filming not limited to 30mins
« Reply #2 on: 22 / May / 2011, 23:11:26 »
thx

someone want to try it for me for sum cash, copywright free music (reverbnation.com/iancollenette) or charity. i wouldn't have the first clue where to start but would be stoked to achieve this because there is no other 720p 24fps 1/2 decent camera that could do this - 1080p is just tooo painfully slow when taking out 3 mins of footage from 1.5 hours of data
ian nz
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Offline waterwingz

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Re: canon g12 non stop filming not limited to 30mins
« Reply #3 on: 22 / May / 2011, 23:56:53 »
Quote from: nzboardrider on 22 / May / 2011, 23:11:26
thx

someone want to try it for me for sum cash, copywright free music (reverbnation.com/iancollenette) or charity. i wouldn't have the first clue where to start but would be stoked to achieve this because there is no other 720p 24fps 1/2 decent camera that could do this - 1080p is just tooo painfully slow when taking out 3 mins of footage from 1.5 hours of data
ian nz


You might take a look at these :

http://chdk.setepontos.com/index.php?topic=5691.msg61719#msg61719

http://chdk.setepontos.com/index.php?topic=6322.msg65523#msg65523


which contain :

Code: [Select]
@title MultiMovie
@param x one part time in sec
@default x 590

f=0

print "record will start..."

press "shoot_half"
sleep 1500
:new
f=f+1
press "shoot_full"
release "shoot_full"
if f=1 then release "shoot_half"

print "file number: ";f

s=get_time 0
m=get_time 1
h=get_time 2
d=get_time 3
b=s+m*60+h*3600+d*3600*24

:loop
s=get_time 0
m=get_time 1
h=get_time 2
d=get_time 3
t=s+m*60+h*3600+d*3600*24
u=t-b
print "file number: ";f
print "time left:";x-u
if u>x then goto "reload"
sleep 900
goto "loop"

:reload
print "reloading..."
press "shoot_full"
release "shoot_full"
print "waiting for ready..."
:waitloop
q=get_movie_status
if q=1 then goto "new"
print "status:",q
sleep 100
goto "waitloop"

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