Author Topic: uncompressed 14-bit RAW video recording (Read 1115568 times)

CFP · « **Reply #200 on:** May 10, 2013, 11:41:00 PM »

Quote from: 1% on May 10, 2013, 11:00:21 PM

I can't say CPU doesn't matter... running those benchmarks with new peaking enabled absolutely kills memcpy.

I can confirm this. I've just tried the card benchmark with Global Draw on (All features enabled) and off like you suggested, a1ex. And with GD I've got about 1/3 of the writing speed that I've got without GD. At the end my 600D actually overheated!

I hope that helps you a little bit, because I'd really like to see how much DNG frames you'll get out of our cameras in the future.

May I ask if you have already found a way to edit the LV_Rec images? I know that things like this need time and I don't want to push you. I am just curious. And I'm still very excited about this feature. Are you more pessimistic or optimistic regarding the development?

I apologize if I'm bothering you. Just don't answer if you don't want to

Anyway, thanks a lot for what you've already done. I really appreciate your work! ML is fantastic

Also I would like to help you, but since I'm only familiar with Java, I guess there's no way I can help you apart from testing?

N.Mendes · « **Reply #201 on:** May 10, 2013, 11:52:39 PM »

Quote from: lourenco on May 10, 2013, 11:36:15 PM

It was in 422 YUV. Not in Raw mode.

Thanks, did you try to enable the raw mode (by hitting "don't click me")?

Some guys tested it (CF+SD) and i don't know if they were able to obtain a continuous recording, it would be awesome..

g3gg0 · « **Reply #202 on:** May 11, 2013, 12:07:57 AM »

Quote from: 1% on May 10, 2013, 11:00:21 PM

I can't say CPU doesn't matter...

i think he meant EDMAC performance which is decoupled from CPU

1% · « **Reply #203 on:** May 11, 2013, 01:15:52 AM »

I guess it wouldn't. The benchmark for edmac does drop when new peaking is enabled. GD and no GD also makes some difference.

I think its not as much of a problem for the edmac anyway... mainly how many frames can be stored and how fast they can be written. Extra 20MB even goes a ways.... it did on 600D with sraw. I get almost as many frames as on 6D.

budafilms · « **Reply #204 on:** May 11, 2013, 07:35:52 AM »

A simple question: can the hardware of any CANON DSRL process all that information that we are trying to get?

a1ex · « **Reply #205 on:** May 11, 2013, 02:50:50 PM »

Just added a RAW to DNG converter: https://bitbucket.org/hudson/magic-lantern/commits/5bc3488c7a78

It's just a small command-line tool. Feel free to build a nice GUI on top of it.

For some reason, I couldn't compile it in 64-bit mode, so you may need the 32-bit compatibility libraries. Fixes are welcome

With a little luck, this program may work under Windows too.

lourenco · « **Reply #206 on:** May 11, 2013, 04:17:15 PM »

Quote from: N.Mendes on May 10, 2013, 11:32:06 PM

In raw mode?

I did a quick test in Raw mode. I wanted to see how much higher I could do above 720p. I tried 1928x850 and 1928x902. I think it was 902. 902 the buffer would fill up and video stops after 700 frames or so. At 850 I am able to get continuous recordings.

The best I am able to obtain in Raw mode right now is continuous 1928x850 at 24fps. I plan to crop the video to 1920x817 to do 2.35:1 wide screen aspect ratio, which is about 1920x817. The video will have black bars on top and bottom to output at 1920x1080.

1% · « **Reply #207 on:** May 11, 2013, 04:23:59 PM »

Raw mode accounts for size like yuv mode? Looks like 1 size hardcoded from what I see. Also how to unload modules, right now it just beeps.... I think it was supposed to be something like prop_unregister_slave but I don't see it defined on 5d3.

I get seg fault with the converter for some reason:

raw2dng[15429]: segfault at b7788f08 ip 08048dd0 sp bfda8dfc error 4 in raw2dng[8048000+2000]

segfaults on both PCs

lourenco · « **Reply #208 on:** May 11, 2013, 07:04:47 PM »

Quote from: a1ex on May 11, 2013, 02:50:50 PM

Just added a RAW to DNG converter: https://bitbucket.org/hudson/magic-lantern/commits/5bc3488c7a78

Cool. I compiled it and works for me. I was able to convert my raw movie file to DNG files.

kgv5 · « **Reply #209 on:** May 11, 2013, 07:14:18 PM »

Did you make it for windows? Could you share your compilation with the rest? Thanks

1% · « **Reply #210 on:** May 11, 2013, 07:30:22 PM »

Worked on a raw movie but for 5d3, right?

lourenco · « **Reply #211 on:** May 11, 2013, 07:55:36 PM »

Quote from: 1% on May 11, 2013, 07:30:22 PM

Worked on a raw movie but for 5d3, right?

Yes.

lourenco · « **Reply #212 on:** May 11, 2013, 07:57:13 PM »

Quote from: kgv5 on May 11, 2013, 07:14:18 PM

Did you make it for windows? Could you share your compilation with the rest? Thanks

It is just for Linux for now. This would be a good project for mindogas given he already has the 422 converter for Windows.

1% · « **Reply #213 on:** May 11, 2013, 08:07:33 PM »

I keep getting seg faults from the size, no matter what size I set:

Single file from 600D, W/H set to what dng burst reports

http://www.qfpost.com/file/d?g=4ED0ZAaJN

Single file from 6D http://www.qfpost.com/file/d?g=v8T0Ryl5m

minimimi · « **Reply #214 on:** May 11, 2013, 08:34:20 PM »

Quote from: 1% on May 11, 2013, 08:07:33 PM

I keep getting seg faults from the size, no matter what size I set:

Single file from 600D, W/H set to what dng burst reports

http://www.qfpost.com/file/d?g=4ED0ZAaJN

Single file from 6D http://www.qfpost.com/file/d?g=v8T0Ryl5m

I tried your 2files. Both are ...

Code: [Select]

$ ./raw2dng I0000000.RAW
Error: This ain't a lv_rec RAW file

So I guess you may upgrade lv_rec.mo first.
Alex added file footer to RAW in current code.
YOur file has no footer I guess.

1% · « **Reply #215 on:** May 11, 2013, 08:38:50 PM »

Its a single file, lv_rec is latest one. For some reason footers aren't being written/read for single files.... After getting rid of thumbnail now my problem is size.

Files come out purple with line skips... I think width is wrong somehow.

Here is a big 600D with footer:

http://www.qfpost.com/file/d?g=upRO7f8YH

lourenco · « **Reply #216 on:** May 11, 2013, 09:17:13 PM »

Quote from: 1% on May 11, 2013, 08:38:50 PM

Its a single file, lv_rec is latest one. For some reason footers aren't being written/read for single files

I also having the same problem just tried individual frames and single file for yuv 422 and both do not have any footer information on the latest lv_rec.

a1ex · « **Reply #217 on:** May 11, 2013, 09:18:47 PM »

This converter is only for movie files, not for single frames.

1% · « **Reply #218 on:** May 12, 2013, 12:11:51 AM »

How can I find the correct sizes? Shouldn't they match what DNG burst outputs?

lourenco · « **Reply #219 on:** May 12, 2013, 02:20:01 AM »

Raw video test 12 seconds 2.35:1 aspect ratio

vs
standard i-frame

ted ramasola · « **Reply #220 on:** May 12, 2013, 02:31:08 AM »

If those 2 videos have the same lens settings... that is a wow in terms of detail!

Is 12 sec the max right now at the current build?

lourenco · « **Reply #221 on:** May 12, 2013, 02:36:59 AM »

Quote from: ted ramasola on May 12, 2013, 02:31:08 AM

If those 2 videos have the same lens settings... that is a wow in terms of detail!

Is 12 sec the max right now at the current build?

At that aspect ratio I can record continuous at 24fps. It helps to have a 5d Mark III with Lexar CF 1000x 32GB card. DNG files take awhile to process on my computer in AE. Yes, the settings were the same. when I was recording i-frame, I used Technicolor CineStyle.

ted ramasola · « **Reply #222 on:** May 12, 2013, 02:50:04 AM »

Thanks. Wow!

Please clarify when you say continuous, do you mean you can shoot longer than 12 seconds? Have you tested how long you can go?

squig · « **Reply #223 on:** May 12, 2013, 02:52:59 AM »

What's the file size of each 1928x850 DNG frame?

lourenco · « **Reply #224 on:** May 12, 2013, 03:15:16 AM »

Quote from: squig on May 12, 2013, 02:52:59 AM

What's the file size of each 1928x850 DNG frame?

It is about 3.08MB. I have since deleted those files. My youtube video has 1928x820 frames, which is closer to the accepted 2.35:1 aspect ratio. The file size is 2.98MB for those.

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Author Topic: uncompressed 14-bit RAW video recording (Read 1115568 times)