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Power Director 14 snapshot low resolution
sledman99 [Avatar]
Newbie Joined: Mar 01, 2016 20:02 Messages: 14 Offline
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I am trying to take some snapshots from a 4k video file. I verified that the box, use original video size as snapshot image quality whenever possible, is check under perferences, file. the snap shots files are only 200 to 300kb in size. I put the video file in track one of PD14. The video was shot with a Phantom 3 quadcopter. I was really counting on get fairly high rez pictures from the 4 k video. I sure hope there is a way to fix this. Thanks in advance.
tomasc [Avatar]
Senior Contributor Joined: Aug 25, 2011 12:33 Messages: 6464 Offline
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Highlight the snapshot. Right mouse click and view the properties. Better still use windows explorer to view the properties/details and tell us what the resolution. Open the photo in windows gallery. Does it look like 4k to you.
sledman99 [Avatar]
Newbie Joined: Mar 01, 2016 20:02 Messages: 14 Offline
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The snapshots are 1920x1080. The video is 4096x2160, 23fps
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Senior Contributor Location: Canada Joined: Aug 21, 2009 11:24 Messages: 1431 Offline
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Depending on the original 4K videos size and bit rate your snapshot will very accordingly. With a 4K video shot at 3 mbps a typical snapshot image captured by PD is about 1mb in size.

A 1920x1080 video shot at 24 Mbps will yield typically a 200Kb file size.



FYI - a 4K video is NOT 1920x1080.

This message was edited 2 times. Last update was at Mar 01. 2016 22:10

Win 10, i7
All vodi
Senior Contributor Location: Canada Joined: Aug 21, 2009 11:24 Messages: 1431 Offline
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Quote: Depending on the original 4K videos size and bit rate your snapshot will vary accordingly. With a 4K video shot at 3 mbps a typical snapshot image captured by PD is about 1mb in size.

A 1920x1080 video shot at 24 Mbps will yield typically a 200Kb file size.



FYI - a 4K video is NOT 1920x1080.
Win 10, i7
tomasc [Avatar]
Senior Contributor Joined: Aug 25, 2011 12:33 Messages: 6464 Offline
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See this post for a possible answer: http://forum.cyberlink.com/forum/posts/list/45805.page#236702 . It looks like that you need to report this as a bug to Cyberlink support if you still can't get a 4k size snapshot.

I just tried a snapshot from a 4k avc and a 4k hevc clips. Both snapshots are 3840x2160 pixels which is the original resolution using the previous build of PD14.
ynotfish
Senior Contributor Location: N.S.W. Australia Joined: May 08, 2009 02:06 Messages: 9977 Offline
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Hi sledman99 -

Quote: The snapshots are 1920x1080. The video is 4096x2160


You may have discovered a "bug" or it may be an anomaly with DJI clips shot at 4096x2160.

I just tested a DJI clip with that resolution and got a 1920x1080 snapshot, just as you did. 4096x2160 is not 16:9 - the clip shows bars top & bottom.



I also tested a 4096x2304 clip (16:9) and got the correct sized snapshot - 4096x2304...

... & a 3840x2160 (16:9) clip - 3840x2160 snapshot

Cheers - Tony
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sledman99 [Avatar]
Newbie Joined: Mar 01, 2016 20:02 Messages: 14 Offline
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Thanks for all the feedback. It sounds like it might be an issue with the aspect ratio per Tony's post. I sure hope I can figure a work around. The main reason I upgraded from an earlier version of PD was so I could work with 4k video and grab snapshots from it. I have not produced anything with PD14 yet. Maybe if I produced a video and went back and grabbed snapshots from the produced video. Not sure if the aspect ratio will be changed once produced.

HDedit, I never stated that 4k was 1920x1080. That is what resolution the picture is when I grabbed a snapshot from a 4k (4096x2160) video.
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Senior Contributor Location: Canada Joined: Aug 21, 2009 11:24 Messages: 1431 Offline
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I can confirm that a 4K video (either 4K or UHD) will produce an aspect ratio identical to that of the original. And I used actual footage from a Phantom 3 to test it out.

How are you obtaining the snapshots on your PC. By what method ?

This message was edited 2 times. Last update was at Mar 02. 2016 11:24

Win 10, i7
sledman99 [Avatar]
Newbie Joined: Mar 01, 2016 20:02 Messages: 14 Offline
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Quote: I can confirm that a 4K video (either 4K or UHD) will produce an aspect ratio identical to that of the original. And I used actual footage from a Phantom 3 to test it out.

So it sounds like I will have the same problem with obtaining a snapshot from the produced video as I have with the original video file if the resolution of the produced file stays at 4096x2160.


How are you obtaining the snapshots on your PC. By what method ?


Not sure I understand your question. The snapshots I am referring to are the ones PD14 grabs from the video file. Instead of them come out at 4096x2160 they are 1920x1080. The snapshots grabbed are not the same resolution as the video file.
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Senior Contributor Location: Canada Joined: Aug 21, 2009 11:24 Messages: 1431 Offline
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I will assume that you are using the button on the bottom of the preview window then.

Do you have a video player (free) called VLC media player ? It has the capability to do the same function. It also does a better job of capturing detail. I tested it on a sample UH clip. The captured images were both the same UH aspect sizes however the image sizes were .7 mb (PD) versus 6.4 mb (VLC). Give it a try.

You may want to give us details of your PC and especially it's video graphics processor. Win 10, i7
sledman99 [Avatar]
Newbie Joined: Mar 01, 2016 20:02 Messages: 14 Offline
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Yes I am using the button under the preview window to capture a picture from a video clip. I have used the VLC player but did not know it could capture a still image and I did not know it could handle 4k video. I will give that a try.

4th generation i7 processor, GTX 745 graphics card. 12 gb of ram but will be upgrade to 32 GB very soon.
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Senior Contributor Location: Canada Joined: Aug 21, 2009 11:24 Messages: 1431 Offline
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Your situation with PD is certainly not normal so don't give up. Perhaps another PD user with similar graphics will chime in and confirm your issues.

This message was edited 1 time. Last update was at Mar 02. 2016 16:48

Win 10, i7
ynotfish
Senior Contributor Location: N.S.W. Australia Joined: May 08, 2009 02:06 Messages: 9977 Offline
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Hi sledman99 & HDedit -

There you go - HDedit has provided a good workaround



It's a bit of mucking round, but at least you get a full resolution snapshot.

Cheers - Tony
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sledman99 [Avatar]
Newbie Joined: Mar 01, 2016 20:02 Messages: 14 Offline
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Tried the VLC snapshot capture function last night. It worked great other then needing to switching from PNG to JPG as a default format to save it in. I sent a question about this issue to Cyberlink customer service. I will let you know if I get any kind of useful response.

Thanks to Tony for taking the time to test out/validate my issue and thank to HDedit for the work around.

Don
ynotfish
Senior Contributor Location: N.S.W. Australia Joined: May 08, 2009 02:06 Messages: 9977 Offline
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Hi Don -

There's a bit more to it than I first thought! When I posted here - http://forum.cyberlink.com/forum/posts/list/47621.page#248532 - I was using 3840x2160 and 4096x2304 clips from different cameras.

I've just now done some further testing using only .MOV clips from a DJI Phantom 3. PDR is misreading the file properties of some of these clips.

4096x2160 clip - PDR properties = 4096x2160 - Snapshot = 1920x1080

3840x2160 clip - PDR properties = 1920x1080 - Snapshot = 1920x1080

The red bits are obviouly wrong!

Cheers - Tony
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All vodi
Senior Contributor Location: Canada Joined: Aug 21, 2009 11:24 Messages: 1431 Offline
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I can confirm Tony's tests. The majority of my 4K videos are in MP4 format and they are OK in PD. However, MOV 4K video snapshot results are captured incorrectly as 1920x1080 aspect ratio.

This message was edited 1 time. Last update was at Mar 03. 2016 21:55

Win 10, i7
sledman99 [Avatar]
Newbie Joined: Mar 01, 2016 20:02 Messages: 14 Offline
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Thanks for that additional information. I will forward that on to tech support.
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Senior Contributor Location: Canada Joined: Aug 21, 2009 11:24 Messages: 1431 Offline
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UPDATE: tried another set of 4K videos from another model of the same drone and PD correctly snaped the photo in the right aspect ratio. There appears to be different cameras used perhaps and PD happens to find it ????? Win 10, i7
IanOnTheTrent [Avatar]
Newbie Location: Campbellford Ontario Canada Joined: Apr 04, 2016 17:43 Messages: 10 Offline
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Quote: I will assume that you are using the button on the bottom of the preview window then.

Do you have a video player (free) called VLC media player ? It has the capability to do the same function. It also does a better job of capturing detail. I tested it on a sample UH clip. The captured images were both the same UH aspect sizes however the image sizes were .7 mb (PD) versus 6.4 mb (VLC). Give it a try.

You may want to give us details of your PC and especially it's video graphics processor.






Thanks so much for this VLC tip. For all the years I used VLC, and all the headaches I suffered trying to get a snapshot from PD or VideoStudio, I never knew about the snapshot function of VLC. Cheers.
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