MJPEG 70mbits+ 1080p settings

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PappasArts

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THIS THREAD IS FOR THE NEW HIGH BIT-RATE MJPEG SETTINGS/FORMULA I CAME UP WITH- IT'S AN ONGOING COMMUNITY DEVELOPMENT-
POST FEED BACK ABOUT YOUR RESULTS AND ANALYSIS.

THESE SETTINGS ALLOW FOR PRISTINE 70+ MBIT 1080P/30FPS AND 720P/30FPS IN 4:2:2 COLOR SPACE


At the bottom of this post are my settings, updates and new findings...


MJPEG 720P + 1080P high bit rate footage-stills & comparisons thread for sharing tests.
http://www.dvxuser.com/V6/showthread.php?t=212609

720P Hi-Mbit examples.
Examples of stuff shot at High bit rate 720P
http://www.dvxuser.com/V6/showpost.php?p=2011043&postcount=44
Blowup test of 720P
http://www.dvxuser.com/V6/showpost.php?p=2009705&postcount=29





***UPDATE*** JUNE 11th 10:30PM
I tested the 1440X1080. It worked- So now instead set at 1440X1080 instead of 1920X800-
1920X800 works fine, however 1440XX1080 is a standard


***UPDATE***JUNE12th
Tester13 has added the MJPEG settings in the updated PTool 3.36.
You no longer need to have the older Ptool. This is great, since this
will help in parallel development of both MJPEG & AVCHD.



LINK to full size images.
http://www.dvxuser.com/V6/showpost.php?p=2015034&postcount=71
LINK to VIDEO FILE of example pic posted
http://www.sendspace.com/file/1tigvj

new2.jpg


NEW.jpg



******THESE ARE THE SETTINGS TO USE AS OF JUNE 11TH for 1080P/30fps 80Mbit******

Settings for achieving 1920X1080-30P Finale V.1 [ CLASS 10 HIGH QUALITY CARD NEEDED ]
Current PTool NEEDED [ You no longer need to have the older Ptool ]


**UPDATE JUNE16TH - I don't recommend the 4:2:2 setting at this time- The Mjpeg data rate being this high already
shows brilliant color and edges. Test done today over and over have shown mixed results with 4:2:2 enabled. So I
suggest to not use it. It' also overloads the codec as well on 1440X1080 HDCAM squeeze process


***METHOD 1. 1440X1080P HDCAM FRAME SQUEEZE METHOD

MJPEG 1280p width - input 1440
MJPEG 1280p height - input 1080
MJPEG SIZE 1280m - SELECT
MJPEG 4:2:2- SELECTION IS OPTIONAL - THIS ADDS OVERHEAD TO THE BITRATE- IN 1080P I DON'T SEE A MAJOR DIFFERENCE IN QUALITY- MORE RESEARCH NEEDED-
QUALITY SETTINGS [ 384, 330, 300, 276 ]
TABLE SETTINGS [ 24, 24, 24, 24 ]



**METHOD 2. 1280X1080P DVCPROHD SQUEEZE FRAME METHOD- This process gives a little more head room if you choose 4:2:2 color space than Method 1.
Remember 4:2:2 adds more data, and is still under research and not recommended. For best bandwidth performance- Don't use 4:2:2 in either 1080P squeeze mode.

MJPEG 1280p width - input 1280
MJPEG 1280p height - input 1080
MJPEG SIZE 1280m - SELECT
MJPEG 4:2:2- SELECTION IS OPTIONAL - THIS ADDS OVERHEAD TO THE BITRATE- IN 1080P I DON'T SEE A MAJOR DIFFERENCE IN QUALITY- MORE RESEARCH NEEDED-
QUALITY SETTINGS [ 384, 330, 300, 276 ]
TABLE SETTINGS [ 24, 24, 24, 24 ]

[ CLASS 10 HIGH QUALITY CARD NEEDED TO USE THESE SETTINGS ]



** 720P/30 AT 80Mbits MODE-- Advantage to this mode is the amount of Mbits per pixel is much higher than 1080 at the same Mbits data rate- Also in
720P you can shoot in all slow shutter speeds ( 1080P can't go lower than 1/30th or camera will freeze ).

Settings for achieving 1280X720-30P
Current PTool NEEDED

MJPEG 1280p width - LEAVE UNSELECTED
MJPEG 1280p height - LEAVE UNSELECTED
MJPEG SIZE 1280m - SELECT
MJPEG 4:2:2- SELECTION IS OPTIONAL
QUALITY SETTINGS [ 384, 330, 300, 276 ]
TABLE SETTINGS [ 24, 24, 24, 24 ]

This mode give you a glorious 720P at a very high bit rate.

[ CLASS 10 HIGH QUALITY CARD NEEDED TO USE THESE SETTINGS ]

-----------------------------------------------------------------


*****INFORMATION AN PERFORMANCE FINDINGS*****

*As with 1080 AVCHD you can not shoot below 1/30th in 1080P. If you do,
it either stops or freezes the camera.

If you shoot at 720 in the 80Mbits mode you can shoot at all shutter speeds with no issue.




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[size=+0]BlackMagic Digital Camera Info Thread:[/size] http://www.bmcuser.com/showthread.p...mera-Technology-Announcements-amp-Latest-Info

http://www.PappasArts.com
 
Last edited:
Hi there Pappas!
I just downloaded your video file of the "box".
Very very nice and crisp footage there :D.
It isin´t necesary at all to sharpen the footage in post as has very fine detail in it already!! even after reescaling the picture in vertical to get FULL HD aspect ratio looks to me VERY good...
Thanks alot to take your time at it!!
Cheers...
Asier.
 
Asiertxu said:
Hi there Pappas!
I just downloaded your video file of the "box".
Very very nice and crisp footage there :D.
It isin´t necesary at all to sharpen the footage in post as has very fine detail in it already!! even after reescaling the picture in vertical to get FULL HD aspect ratio looks to me VERY good...
Thanks alot to take your time at it!!
Cheers...
Asier.
Click to expand...

Your welcome. I didn't say a word until I felt it was 90% sure this was working I had been at this every day for quite awhile. Banging away at it, and racking my brain over how to get this to work.

Here are frames of a clip I just shot moments ago. This file was 79.28 mbits/s video. VIVITAR MACRO LENS used..

Picture88.jpg


79MBITS.jpg


MIKOS ARTS
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http://MIKOSart.net
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[size=+0]BlackMagic Digital Camera Info Thread:[/size] http://www.bmcuser.com/showthread.p...mera-Technology-Announcements-amp-Latest-Info
 
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Ah !
I would like to try out your settings for Mjpeg Pappas, but I haven´t got Ptool required version, the older one that allows you to change aspect ratio (PTool 3.33).

Is there any chance to downlad this older PTool version anywere?

Thakyou very much!
Asier.
 
WOW and WOW I MUST to say!!
Definitelly I´d MUST to give it a try!! hehehe....
I understand you when you weren´t sure to say somethig about the correct and stable performance of these very new settings as they must be tested CAREFULLY before say anything...;).

Thanks again and keep it up!
Asier.
 
Asiertxu said:
Ah !
I would like to try out your settings for Mjpeg Pappas, but I haven´t got Ptool required version, the older one that allows you to change aspect ratio (PTool 3.33).

Is there any chance to downlad this older PTool version anywere?

Thakyou very much!
Asier.
Click to expand...

Tester13 is person to go to. Make a request for him to put those settings back into the Ptool that were in 3.3.

MIKOS ARTS
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http://mikosarts2.wordpress.com
http://MIKOSarts.com
http://MIKOSart.net
http://MIKOS.info


[size=+0]BlackMagic Digital Camera Info Thread:[/size] http://www.bmcuser.com/showthread.p...mera-Technology-Announcements-amp-Latest-Info
 
Last edited:
***UPDATE*** JUNE 11th 10:30PM
I tested the 1440X1080. It worked- So now instead set at 1440X1080 instead of 1920X800-


I changed the front page to show this. I'm also trying a new set of numbers.

1440X1080 allows the GH1 to do 80mbit MJPEG as the previous, 1920X800 that worked fine, however 1440XX1080 is a standard and I hadn't fully tested tell now.

As before you need to use Ptool 3.3, order version. This allows you to set different frame dimensions.

MIKOS ARTS
http://PAPPASARTS.WORDPRESS.COM
http://TWITTER.COM/PAPPASARTS
http://MIKOSarts.wordpress.com
http://MIKOSarts.wordpress.com/page-2-of-blog
http://mikosarts2.wordpress.com/blog-page-2
http://mikosarts2.wordpress.com
http://MIKOSarts.COM
http://MIKOS.info


[size=+0]BlackMagic Digital Camera Info Thread:[/size] http://www.bmcuser.com/showthread.p...mera-Technology-Announcements-amp-Latest-Info
 
Last edited:
Asiertxu said:
Hi there Pappas!
I just downloaded your video file of the "box".
Very very nice and crisp footage there :D.
It isin´t necesary at all to sharpen the footage in post as has very fine detail in it already!! even after reescaling the picture in vertical to get FULL HD aspect ratio looks to me VERY good...
Thanks alot to take your time at it!!
Cheers...
Asier.
Click to expand...


Un-sharp mask ( USM ) would work fine. I did it to a few test files IN AE it and adds just a slight extra punch. With MJPEG at this high bit rate you can get away with USM.


MIKOS ARTS
http://PAPPASARTS.WORDPRESS.COM
http://TWITTER.COM/PAPPASARTS
http://MIKOSarts.wordpress.com
http://MIKOSarts.wordpress.com/page-2-of-blog
http://mikosarts2.wordpress.com/blog-page-2
http://mikosarts2.wordpress.com
http://MIKOSarts.COM
http://MIKOS.info


[size=+0]BlackMagic Digital Camera Info Thread:[/size] http://www.bmcuser.com/showthread.p...mera-Technology-Announcements-amp-Latest-Info
 
Last edited:
When you set this in camera, what does it look like on the LCD? If it's set to 1920x800 do we see a 2.40:1 aspect ration image in the LCD? Is there an advantage to shooting 2.40:1 in camera as opposed to cropping in post other than saving time in post? I imagine the storage space savings are minimal.
 
Mike@AF said:
When you set this in camera, what does it look like on the LCD? If it's set to 1920x800 do we see a 2.40:1 aspect ration image in the LCD? Is there an advantage to shooting 2.40:1 in camera as opposed to cropping in post other than saving time in post? I imagine the storage space savings are minimal.
Click to expand...

Hi Mike,

This squeezes the image like HDCAM 1440X1080. By doing this, it takes that large frame and 70/80mbits data file and allows it to travel more narrow and not stopping the camera from recording.

I shot a whole 8gig, which is not a lot of time at this data rate, and the only time it stopped, was when the 8gig got down to 90 or less megabytes left on the card. May be the camera's estimation software knows that there isn't enough room to proceed.

The image also looks normal too on the LCD VF and swing out LCD. You can view thumbnails as well, and zoom in on them too. Can't play back as these are large data rate files.

It's pretty awesome to say the least.


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I'm still getting caught up on this, but is it possible to record video in a squeezed fashion? Or use just part of the GH1's sensor? Would love to be able to record a smaller area of the GH1 sensor for 2X anamorphics, in order to get native 2.35:1 or 2.66:1 etc...
 
I downloaded PappasArts MJPEG file and tried to analyze it with JPEGsnoop. This usually works very well and lets you see the actual MJPEG quantisation tables (which actually define the compression quality) used. But in this case JPEGsnoop gives a "Tables out of indexed range" error.

Can anyone P L E A S E give me access to a few seconds of a GH1 720p MJPEG file with increased bitrate only? No scaling, 30 fps, as original as possible but with HIGH bitrate. I have no GH1.

By the way the chroma subsampling seems to be still 4:2:0 despite the higher bit rate.

JPEGsnoop: www.impulseadventure.com/photo/
PappasArts MJPEG file: http://www.sendspace.com/file/1tigvj
 
Oedipax said:
I'm still getting caught up on this, but is it possible to record video in a squeezed fashion? Or use just part of the GH1's sensor? Would love to be able to record a smaller area of the GH1 sensor for 2X anamorphics, in order to get native 2.35:1 or 2.66:1 etc...
Click to expand...

Well the video in this Hi-Mbit rate mode is recorded squeezed like HDCAM 1440X1080. However I'm guessing your asking for selecting a 1:1 use of the sensor to match 2x anamorphic lenses. It doesn't do that. That would be a cool option though.

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Martin Koch said:
I downloaded PappasArts MJPEG file and tried to analyze it with JPEGsnoop. This usually works very well and lets you see the actual MJPEG quantisation tables (which actually define the compression quality) used. But in this case JPEGsnoop gives a "Tables out of indexed range" error.

Can anyone P L E A S E give me access to a few seconds of a GH1 720p MJPEG file with increased bitrate only? No scaling, 30 fps, as original as possible but with HIGH bitrate. I have no GH1.

By the way the chroma subsampling seems to be still 4:2:0 despite the higher bit rate.

JPEGsnoop: www.impulseadventure.com/photo/
PappasArts MJPEG file: http://www.sendspace.com/file/1tigvj
Click to expand...

Did you tried to contact JPEGSnoop author?
It is actively developed, as I understand.
for me it is very interesting to understand MJPEG inner workings, such as quantization tables.
You can try to change MJPEG values and see at quantization tables yourself.
 
Hi pappas thankyou so much for showing some new settings.
Would you be able to upload a short raw vid of 1440X1080 squeezed setting so I can have a play on my editing program?
Still waiting for class 10 card in the post!
 
mimirsan said:
Hi pappas thankyou so much for showing some new settings.
Would you be able to upload a short raw vid of 1440X1080 squeezed setting so I can have a play on my editing program?
Still waiting for class 10 card in the post!
Click to expand...


I plan too for sure. I need to get something up. My Upload speed sucks; so If I do, I'll need to live it for awhile. Sometime this weekend is what I'm shooting for.



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