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Shadow Files - What you need to know.
AlS
Senior Member Location: South Africa Joined: Sep 23, 2014 18:07 Messages: 290 Offline
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DAFYDD decided to close the "Curious Thing - Shadow Files" thread following Tony's (ynotfish) last post yesterday revealing some important information about Shadow Files which PDR users should know and understand.

The thread did wander a bit so I am starting a new one for a better understanding of what shadow files are and what really happens when we use them to edit. Tony did some Shadow File tests yesterday in the previosu thread in the post below and his results will suprise many users - like me!

Please refer to http://forum.cyberlink.com/forum/posts/preList/48815/256631.page#256631

Thanks again Tony,

Please correct me if I'm wrong but using Shadow Files means:


  1. HD preview of the timeline is not posible. If we are editing HD, we all want to preview in HD to see the quality of our editing before render. Selecting HD realtime preview is misleading as it's not possible using proxy files. to quote Tony (ynotfish) above "It doesn't matter if the source videos are 720p, 1080p, 1440p, UHD, 4K or 8K shadow files will always be 720x480." If I'm editing 1920x1080 I can only preview a very low quality, lower bitrate 720x480 image - regardles of the settings I choose in the playback window.

  2. Many PDR14 users are forced to use shadow files for HD editing to avoid timeline playback problems unles they have very powerful PC's - and virtually ALL PDR14 users trying to edit 4K have to use Shadow Files. 4k editig (4096x2304) while viewing a 720x480 image is just plain madness. Is that 4k editing???


It's clear that PDR14 is mislesding us when we use Shadow Files and select HD Realtime Preview - It is not possible!

Here is another reason for 4k users to use Magic+PD.

With Magic+PD you can edit 4k with realtime preview and Shadow Files turned OFF - on a mid-range PC!!!!

This message was edited 4 times. Last update was at Jul 07. 2016 07:48

Power Director 13&14 Ultimate, Photo Director 6, Audio Dir, Pwr2Go 10
Win 10 64, Intel MB DH87MC, Intel i5-4670 CPU @ 3.40GHz, 16Gb DDR3 1600, 128Gb SSD, 2x1Tb WDBlue 7200rpmSATA6, Intel 4600 GPU, Gigabyte G1 GTX960 4GB, LG BluRay Writer
Dafydd B [Avatar]
Senior Contributor Joined: Aug 26, 2006 08:20 Messages: 11973 Offline
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Thanks for starting a new thread and replying to ynotfish's post.
Dafydd
The Shadowman
Senior Contributor Location: UK Joined: Dec 15, 2014 13:06 Messages: 1831 Offline
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The more I read and think about shadow files the more disillusioned with them I am. Not only, as we have now discovered, is the resolution unrepresentaive to our projects, but they are unreasonably slow to produce. And then you have the added problem of having to wait for all the files to be converted before you can start editing. Failure to do so causes many errors as we know from past posts on the subject.

Optodata's Magic+PD was a godsend to us 4K editors, but not many realise it. It was way ahead of it's time as P*Pro is now trying create the same sort of program using the Cineform codec. In the video on the subject, even after the conversion to Cineform, there were still a lot of dropped frames in the preview window.

In my experience M+PD delivers full resolution clips to the preview window in PD, and the convertion does not suffer from dropped frames. Also, there is no need to wait for all your files to be converted before you can start editing, however, M+PD is fast enough for that to not be a serious problem anyway. M+PD converts at a rate of about 8 to 1 shadow file.

Picture shows M+PD converted AVI details in PD ---

You can watch the Cineform convertion procedure here https://www.youtube.com/watch?v=YS-OLBMZBcg



Robert
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This message was edited 1 time. Last update was at Jul 07. 2016 12:53

Panny TM10, GH2, GH4,
ynotfish
Senior Contributor Location: N.S.W. Australia Joined: May 08, 2009 02:06 Messages: 9977 Offline
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Hi Al & Robert -

Being a non-user of shadow files, I'm becoming less motivated to extend this discussion, which has now become 3 or 4 threads, each of which has gone round in circles. That is partly my doing because I messed up my thinking.

BUT here are the options we have when editing...


  1. Edit the clips as they are, with no shadow files or conversion

  2. Enable shadow files to decrease load on PC

  3. Convert hi-res/hi-BR files & substitute files - described & referenced here - http://forum.cyberlink.com/forum/posts/list/43102.page

  4. Use Magic+PD - discussed at length in forum pages


Different methods suit different people/projects/hardware. Each has its place. No method, in my view, is ABSOLUTELY best for every circumstance.

Though the process is different, each of methods 2, 3 & 4 involves converting the original clips in some way to allow for smoother, pain-free editing.

~'`'~.¸><(((º> back to the actual topic ~'`'~.¸><(((º>

Al - true - if shadow files are enabled and you have preview resolution set at "Full HD" you're not actually viewing Full HD at all. What you're seeing is the best PDR can do with DVD quality files. So - what you wrote in 1. is exactly right.

It could be described as misleading (if you're using shadow files). Perhaps some more realistic terminolgy?

""""

Cheers - Tony

This message was edited 1 time. Last update was at Jul 07. 2016 19:55


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kmjk333 [Avatar]
Member Joined: Feb 16, 2016 02:23 Messages: 93 Offline
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"Magic+PD"

I have PD14, is this Magic program a pay for add-on?

have a link to Magic? I don't see on Cyberlink web page.

Loading 4K video into the time line is a long process with huge files. Does Magic change this? Other than preview quality, does it affect the final output?

Guess I am not up to speed on this discussion, thanks

AlS
Senior Member Location: South Africa Joined: Sep 23, 2014 18:07 Messages: 290 Offline
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Hi kmjk333,

Magic+PD is a free conversion tool developed by PDR14 users for 4k editing.

You will find all the info on the first couple of pages of the forum thread here:

http://forum.cyberlink.com/forum/posts/list/46177.page

Al Power Director 13&14 Ultimate, Photo Director 6, Audio Dir, Pwr2Go 10
Win 10 64, Intel MB DH87MC, Intel i5-4670 CPU @ 3.40GHz, 16Gb DDR3 1600, 128Gb SSD, 2x1Tb WDBlue 7200rpmSATA6, Intel 4600 GPU, Gigabyte G1 GTX960 4GB, LG BluRay Writer
kmjk333 [Avatar]
Member Joined: Feb 16, 2016 02:23 Messages: 93 Offline
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Thanks AlS, appreciated.



This is not a "Cyberlink" product, but a user created application?

This message was edited 1 time. Last update was at Jul 09. 2016 04:00

AlS
Senior Member Location: South Africa Joined: Sep 23, 2014 18:07 Messages: 290 Offline
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kmjk333,
As you will see in the above link it was created by Optodata, a senior contributor to the form. It is not a Cyberlink product but rather a "front end" to Power Director resulting from many users having performance issues when trying to edit 4k. My PC worked fine for HD but could not handle 4k and I would have been forced to replace it with an expensive upgrade. Using Magic+PD, I can smoothly edit on 4k my little i5 cpu.
It is freeware for all to use. Please read the "Magic+PD Overview (Rev D).pdf" on the first page of the Magic+PD thread for more info on why and how to use it.

It is "Magic".
Al

This message was edited 2 times. Last update was at Jul 10. 2016 06:03

Power Director 13&14 Ultimate, Photo Director 6, Audio Dir, Pwr2Go 10
Win 10 64, Intel MB DH87MC, Intel i5-4670 CPU @ 3.40GHz, 16Gb DDR3 1600, 128Gb SSD, 2x1Tb WDBlue 7200rpmSATA6, Intel 4600 GPU, Gigabyte G1 GTX960 4GB, LG BluRay Writer
kmjk333 [Avatar]
Member Joined: Feb 16, 2016 02:23 Messages: 93 Offline
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Thanks, for the responses, but will pass as not a cyberlink product. Nothing against the member's time and efforts.
ynotfish
Senior Contributor Location: N.S.W. Australia Joined: May 08, 2009 02:06 Messages: 9977 Offline
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Hi kmjk333 -

Quote: Loading 4K video into the time line is a long process with huge files. Does Magic change this? Other than preview quality, does it affect the final output?


Magic+PD is not a CyberLink product - true... but it will certainly help if your PC is struggling with 4K/high bitrate files. It's simply a form a file conversion that decreases the load on your PC.

No - the final output is not affected.

Cheers - Tony
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kmjk333 [Avatar]
Member Joined: Feb 16, 2016 02:23 Messages: 93 Offline
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Quote: Hi kmjk333 -

Quote: Loading 4K video into the time line is a long process with huge files. Does Magic change this? Other than preview quality, does it affect the final output?


Magic+PD is not a CyberLink product - true... but it will certainly help if your PC is struggling with 4K/high bitrate files. It's simply a form a file conversion that decreases the load on your PC.

No - the final output is not affected.

Cheers - Tony




ok, Thank yOU! I was scratching my head "why do I need this"? PD14 is very good at 4k on my system
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