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Messages - denishogan

#1
Hi Alex

A general question.

Is it technically feasible to increase the FPS  for the current 5796x3870 @ 5fps or have we hit the 'physical' limit?

cheers
Denis
#2
Thanks Alex.

Ah yes, I think I may have accidentally hit the Canon movie mode initially.

I will retest and get back to you.

cheers
Denis
#3
Hi Alex

You requested a sample MLV file . I had this issue from time to time as an intermittent problem.

I did a movie today and all 3 MLV's were corrupted, Every single DNG.

cheers
Denis

Attached is the MLV link of the corrupted file
I ran:  mlv_dump -f 2-10 -0 corrupt.mlv m24-0944.mlv

https://www.dropbox.com/s/tcpxrt0zzk8dlqr/corrupt.mlv?dl=0




#4
Thanks Alex, I will test tomorrow and ensure I wait a few seconds

cheers
Denis
#5
Hi Alex

I think this may be a bug. I am using crop rec 4k - Full-resolution LiveView: 5796x3870 at 5fps with some success howeever have encountered an issue which I was able to reproduce twice.

For a video session where I take several short MLVs, the 1st MLV is always coming out at 1920 x 1290  and subsequent MLVs are all 5784x3864, I did 2 tests as shown below ie , my folders WorkArea 26e and WorkArea 27 ( 2 seperate sessions) - see images below. THE ML settings are not changed

TEST 1 - WorkArea 26








TEST 2 - WorkArea 27








SAMPLE extract of  the MLV FILE that is from the 1st folder ie 1920x1290
I used the mlv_dump -f 5 -o to reduce the file size

https://www.dropbox.com/s/107iuqok07zzspy/test.MLV?dl=0


SAMPLE extract of  the MLV FILE that is from the subsequent folder  ie 5784x3864
I used the mlv_dump -f 5 -o to reduce the file size

https://www.dropbox.com/s/xrt4bx4ywtkfe5e/working137.MLV?dl=0

cheers
Denis
#6
Hi Alex

I made many  mlvs last week but I am unable to recreate the DNG corruption .

I will keep checking

cheers
Denis
#7
Hi All/Alex

I raised this question in March this year and just checking if there is a solution to this today?

------------------------------------ EXTRACT FROM PREVIOUS ----------------------------------------------------
"Posted by: a1ex
« on: March 15, 2017, 09:51:12 AM » Insert Quote
Currently we don't know how to trigger flash without taking a regular (not silent) picture - http://www.magiclantern.fm/forum/index.php?topic=18123.0"
-------------------------------------------------------------------------------------------------------------------------------

I have been using the FRSP (Full resolution Silent DNGs) with continuous light for macro work and was wondering if its possible to trigger a flash on a hotshoe of a Canon 5dmkIII with the HALF SHUTTER PRESS.

cheers
Denis
#8
Hi Alex

Well I created about 12 mlvs but no corruptions. Must be intermittent,

I am still taking MLVs and if it occurs I will provide the MLV and advise you.

Thanks for your patience

cheers
Denis
#9
Ok Alex, I deleted the MLV but will do more tonigh
#10
Hi Danne

FYI: You may be interested that I get some corrupted DNGS from time to time but I am not sure the cause"

1. issue with crop rec bug? or
2. issue when files are being extracted to DNG ?
3. issue with CF card?

This folder had 353 DNGs and only 1 dng was corrupt.

cheers
Denis




#11
ok thanks, so just hit 'r"' only  :)
#12
with the mlv_dump, what parameters would help in terms of better quality , if any , when I extracted the DNG's in yr opinion?
#13
Thanks I will I and really not sure what I am doing with the video settings but I will try several different combinations and post them

So what do you see with the file I uploaded?

I am going to take more video and will chat later, thanks
Danne, are you on facebook, its nice to put a face to a friend.
#14
again my error as I am shooting at 1:1 and the rail is moving forward in UM ( micro mm ) I think there is diffraction or telecentric issue.

I checked all the dngs individually and cannot see any corruption of the left side but I suspect when they are stacked there is change in the image size ( I think) .

I might try 16:9 or different ratio maybe but I am clutching at straws
#15
I am grateful for your help and time, very kind of you. Can I improve on  the quality of those DNG's somehow, may not be possible
#16
is that link ok
#17
I accidentally deleted the MLV files for the sample captures i attached to the previous post  but this give you an idea

https://www.dropbox.com/s/fwwzy8u6pu8bw1l/M31-1735Copy22.MLV?dl=0

cheers
#18
oops it was a layer8 issue, between the chair and the PC, ME !
it worked. file went from 8.2gb to 120k
will upload it now
#19
hold on, something is happening
#20
Still an issue, I am using MLV Dumper v1.0. Is the syntax I wrote correct "mlv_dump -f 5 -o M31-1735-Copy.MLV M31-1735-Copy.MLV"


IN CMD
C:\Users\Denis\Desktop\___RAWTODNG TEST\___WORK AREA 6\ORIGINALS>mlv_dump -f 5 -o M31-1735-Copy.MLV M31-1735-Copy.MLV

MLV Dumper v1.0
-----------------

Mode of operation:
   - Input MLV file: 'M31-1735-Copy.MLV'
   - Rewrite MLV
   - Output into 'M31-1735-Copy.MLV'
File M31-1735-Copy.MLV opened
File M31-1735-Copy.M00 not existing.
Processing...
Reached end of chunk 1/1 after 0 blocks
Processed 0 video frames
[ERROR] Failed to rewrite header in .MLV file
Done
#21
There is no *.M00 files in the folder

These are some screen captures with no edit or noise reduction

If you check the left hand corner there is a significant issue about 20-30% that is corrupted.











some samples , What I see in Bridge of the extracted DNGS


#22
does not work. tried at cmd , mlv_dump -f 5 M31-1735-Copy.MLV M31-1735-Copy.MLV. What am I doing wrong

Mode of operation:
   - Input MLV file: 'M31-1735-Copy.MLV'
   - Verify file structure
File M31-1735-Copy.MLV opened
File M31-1735-Copy.M00 not existing.
Processing...
Unknown Block: VERS, skipping
Unknown Block: VERS, skipping
Reached end of chunk 1/1 after 423 blocks
Processed 412 video frames
Done
#23
Sorry Danne, did not finish my previous  post. Cannot upload my screen captures, as its stating BAD GATEWAY
#24
Hi Danne

The MLV is going to take hours to upload. In the meantime here are some screen captures of the stacked files. NO EDIT DONE
#25
  :) Yes I am using windows. Can I simulate your workflow in  Windows.

Can I please see likes to your videos?

I am going home now. Just finished work.
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