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< Esato Forum Index > Sony Ericsson / Sony > Symbian phones > Anyone ever captured photos of more than 1mb in size with the P990 cam? Bookmark topic

I have this problem whereby whenever I take detailed photos that I suspect are more than 1000kb, my camera crashes, the prompt "working" comes out with the picture I've taken in the background and it just stays that way until I end the camera app and restart it. Sometimes, the prompt "initializing" comes out while the screen goes black and it remains that way, and I won't be able to take any pictures with the camera app until I reboot the phone. I've never been able to take anything more than 1mb in size and any similar scene I took when the camera crashes would always result in 900+kb photos which leads to my suspicion that the P990 cam app doesn't support photos exceeding 1000kb. Anyone else has come across this particular problem, anyone has ever gotten a 1000+kb photo off a P990 before?

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Ericsson EH97, GA628, GF768, A2618s, T29s Sony Ericsson T68i, S700i, P990i, Z558i
P990i + WG1 R6E28 + 8GB Sony MSDP

[ This Message was edited by: mode on 2008-04-05 12:43 ]
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Posted: 2008-03-27 11:56:15
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I suspect the limited RAM causes all those crashes
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Posted: 2008-03-28 04:59:32
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I doubt it's a RAM problem since it would crash even if it's the only app I use. It's probably the processor, but why the 1mb limit when P990 images are capable of capturing details worth more than that. Any P990/ex-P990 users wanna share their experience & confirm this?
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Posted: 2008-03-31 08:00:39
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Thats because the P990 image buffer must be less than 1MB, if the image is greater than the buffer limit it would crash. During the K750 camera driver modding days I remember the buffer was set to 600kb and no matter what I did I could'nt alter it. I'm not sure if the buffer can be altered nowadays.
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Posted: 2008-03-31 08:05:56
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@aksd
Ok, so we know that the buffer limit is 600kb for K750 (which I think is very low for such a superb cam phone) and 1mb for P990. But what determines the buffer limits? Processing power? Energy conservation? And just out of curiosity, does the K750 crash too if it goes beyond 600kb? I just wonder why the buffer limit is set lower than what it's capable of.

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Ericsson EH97, GA628, GF768, A2618s, T29s Sony Ericsson T68i, S700i, P990i, Z558i
P990i + WG1 R6E28 + 8GB Sony MSDP

[ This Message was edited by: mode on 2008-03-31 17:14 ]
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Posted: 2008-03-31 18:09:42
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The K750 could take occassionaly a 610kb photo.

The buffer is determined by SE you can make the limit 1.5Mb but the saving time might end up too long because of a lower speed processor. Also jpeg is compressed format and the largest pic you can get of a 10Mpx jpeg is about 4-5MB, the uncompressed pics in RAW go upto 10-15MB(this is just an estimation). So theres a cap on how large 2Mpx jpeg photos can go wiht a tiny sensor like on the P990, max should be 1-1.2MB whcih iteself is doubtful as the tiny ensor cannot capture many details, if you asked me I'd say going about 700kb would be difficult
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Posted: 2008-03-31 18:29:08
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Well, I've had many photos that are above 700kb and I can come up with that quite easily with a steady hand on a bright day. I once had a headache taking site photos with the phone because the day was bright and the site was lush with detail from all the vegetation. The camera kept crashing until I had to lower the pixel to 1.3mp and it finally sailed through. Some of the 1.3mp photos even went up to 800+kb which further strengthened my suspicion.
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Posted: 2008-03-31 19:51:02
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the jpeg buffer (stream) is controled by the cammodule itself it's what the cam module can handle in the jpeg stream not the power of the phone, even the k800i is limited at 910kb for 3.2mp.
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Posted: 2008-03-31 19:58:31
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No it is'nt. The jpeg buffer is hardcoded into the OS. you cannot set a buffer value in the module. The module is nothing but the lens and the sensor with interfacing cicuitry. The optimal buffer value is set taking into consideration the jpeg compression as well as saving time of the image, less the compression larger the image and bigger the size.

If you want you can set your photo settings to Normal rather than fine and if you take a image with larger detailing such as trees and leaves the ntheres a greater chance of it crashing due to a buffer over run,
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Posted: 2008-03-31 20:19:28
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the cam module controls most things
heres a diagram of a sony cammodule notice the jpeg stream


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Posted: 2008-03-31 20:22:16
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