Canon 650D / T4i

Started by nanomad, August 03, 2013, 07:27:52 PM

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Walter Schulz



Status *after* 1st recording.

dfort

Thanks for your notes Walter.

Quote from: dfort on October 02, 2017, 10:41:13 PM
The audio meters were broken on the 700D and since the 650D is closely related I'd like to see if maybe it is also happening on the 650D.

Looks like the 650D has the same audio meters issues. I put up a pull request and posted a build if anyone wants to try it out. Please comment on the pull request.

Walter Schulz

Download rate 470 Bytes/s. WTF?
Update: Dropped to 349 Bytes/s.
Update 2: Unable to download. Download counter goes up, though.

dfort

Downloads fine here, there were already 12 downloads (or attempts).

Of course you could build from source.  ;D

andy kh

i have downloaded. i have no 650D though
5D Mark III - 70D

dfort

Quote from: andy kh on October 03, 2017, 05:26:10 PM
i have downloaded. i have no 650D though

LOL!

Well, you put it on a USB thumb and bicycle it to Walter's house.

Or--a1ex just merged it so it should show up on the nightlies soon. Of course you'll need a 650D to use it.

andy kh

Quote from: dfort on October 03, 2017, 05:55:02 PM
LOL!

Well, you put it on a USB thumb and bicycle it to Walter's house.



LoL

Quote from: dfort on October 03, 2017, 05:55:02 PM
LOL!
Of course you'll need a 650D to use it.

i have sold out my 650D n bought a 70D
5D Mark III - 70D

Walter Schulz

Download successful and test, too.

dfort

I see no reason why the 650D can't be a part of the crop_rec_4k fun. All the pieces are there but I need someone to test it on the camera. Any willing crash test dummies? Walter?

Put up a build on my Bitbucket download page. The file is named crop_rec_4k.2017Oct10.650D104.zip


Walter Schulz


dfort

LOL!

My last upload was a bit premature. I just posted a new build with lossless compression (hopefully) working.

Walter Schulz

Using these settings
http://www.filedropper.com/settings
I get a frozen cam trying to access bit depth menu.

EDIT: mlv_lite.mo does actually a lot of freezing. Not usable at the moment.


dfort

That's odd. I changed the DEFAULT_RAW_BUFFER but it didn't pick up the change. Let's try it again. Uploaded a version 2.

This time, just mlv_lite and silent and see if you can get to the bit depth menu. That menu should now have lossless settings too.

If that works, put the Canon settings on 1280x720/50 or 60 and try the crop_rec module.

Walter Schulz

Nope.

- Restart cam in photo mode
- ML settings to Default
- Restart cam in video mode
- Activate mlv_lite and silent.
- Restart cam in video mode -> LV working
- Activate RAW recording  (movie tab) -> LV freezes after a few seconds.


dfort

Darn it--thought it was going to be easy.

How about the crop_rec module? That also works in H.264. You should be able to see a vertically stretched LV when in 1280x720.

Walter Schulz

720p setting in Canon menu and Crop mode ON (movie menu). No freezing and LV shows circle as horizontaly squished oval.

Off to sleep ...

dfort

Good night, thanks for taking the leap!

dfort

Put up yet another build for testing. I doubt anything I did would fix the issues Walter is reporting but it is worth a try.

Here is what I'm doing:

https://bitbucket.org/daniel_fort/magic-lantern/pull-requests/6/crop-rec-4k-650d/diff

If anyone sees anything I'm missing, please speak up.

Walter Schulz

Still freezing with mlv_lite.
Got a crash log fooling around with some other functions:
ASSERT: FALSE
at ShootMemory.c:1976, RscMgr:ff21cac0
lv:1 mode:3

RscMgr stack: 151e78 [151f90-150f90]
0xUNKNOWN  @ bba0:151f88
0xUNKNOWN  @ 16aac:151f60
0x000167A4 @ ff0e5e54:151f28
0xUNKNOWN  @ 167d4:151f18
0xUNKNOWN  @ 1685c:151ef8
0xFF212D58 @ ff21cabc:151eb0
0x0007E468 @ 7e760:151e78

Magic Lantern version : Nightly.2017Oct10.650D104
Mercurial changeset   : d183703f1df5 (crop_rec_4k_650D) tip
Built on 2017-10-10 22:56:45 UTC by rosiefort@RosieFoComputer.
Free Memory  : 127K + 3508K


EDIT: For whatever reason LV is *not* crashing at the moment.

dfort

That crash is pointing to an area that appears to be shrinking the memory. I forgot what it means.

In any case it is now my bedtime. Maybe Danne can figure it out.

Danne

hehe, I can always look. If I find something I write here.

Danne

Think I found one faulty stub in lossless.c
     {
         /* ProcessTwoInTwoOutJpegath, 650D 1.0.4 */
         TTL_SetArgs     = (void *) 0xFF35C9C0;      /* fills TTJ_Args struct; PictureSize(Mem1ToRaw) */
-        TTL_Prepare     = (void *) 0xFF420E44;      /* called right after ProcessTwoInTwoOutJpegath(R) Start(%d); */
+        TTL_Prepare     = (void *) 0xFF4210BC;      /* called right after ProcessTwoInTwoOutJpegath(R) Start(%d); */
                                                     /* calls [TTJ] GetPathResources and sets up the encoder for RAW */
         TTL_RegisterCBR = (void *) 0xFF4200A0;      /* RegisterTwoInTwoOutJpegPathCompleteCBR */
         TTL_SetFlags    = (void *) 0xFF368788;      /* alternate StartTwoInTwoOutJpegPath http://www.magiclantern.fm/forum/index.php?topic=18443.msg188721#msg188721 */



Here is a build(could be other issues for this not to work but worth a try):
https://bitbucket.org/Dannephoto/magic-lantern/downloads/magiclantern-Nightly.2017Oct11.650D104_lossless.zip

All testing comes without any warranties. I donĀ“t own this camera myself.



Walter Schulz

Thanks, Danne! First test without crash. Now I have to learn what I'm actually doing with this witchcraft enhancement.

Danne

Nice! You got lossless running?

Walter Schulz

Yup! It did with one of dfort's builds first, stopped to work (freezing cam) then.
Now I can select different modes and resolutions. Fps override, too.
Will look into it in the evening.

Anything in particular to test/verify?