Thumbnails are reduced versions of objects, mostly images, that are used to quickly display a small and recognizable representation of the object.

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1k views

ffmpeg: Trying to take thumbnail fps=fps=1/60 works but not fps/fps=1/600

I am following this doc from the ffmpeg site: This will create one thumbnail image every minute, named img001.jpg, img002.jpg, img003.jpg, ... (%03d means that ordinal number of each thumbnail ...
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2answers
2k views

FFMPEG does not have fps filter. How to fix it?

I am trying to user fps filter to take thumbnails but it gives error: No such filter: 'fps' I checked the list of filters using ffmpeg -filters and fps was not there. How to install it or fix ...
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1answer
54 views

Sharing the thumbs.db file

in our situation we got network shares containing a lot of PDF's. People want to look at the thumbnails before opening them. However, the thumbs.db file is regenerated for every user looking at the ...
0
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1answer
216 views

Disable Windows 7/8 Alt+TAB *preview* (entirely)

When Alt+TAB-ing Windows shows a list of icon previews, and, after a second or so, shows the actual window selected behind this list (a feature called Aero Peek). I just want to see that window ...
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0answers
441 views

Image thumbnails not showing and cannot access file properties, how to fix it?

This is a folder full of JPGs: Obviously that does not look right. I have given it plenty of time to load, but still I get no thumbnails. When I right click on a file, and click properties, ...
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1answer
768 views

Why does my image look sideways in thumbnail view but correct when I open it?

This is important because I will be submitting it for my visa application (rotated images disqualify you). The image looks rotated sideways in thumbnail view on my computer, but when I double-click ...
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1answer
3k views

How to reset thumbnails in windows 8

I changed the album art of an audio file inside a folder using a id3 tag editor. But the folder thumbnail still shows the old album art. I tried to clear thumbnail cache using system cleanup, But i ...
2
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2answers
186 views

Video files thumbnails not showing

I have already tried all of the different solutions which I found online, even messing with the Registry, but nothing has worked so far. What could be another possibility to fix this issue? If it ...
2
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5answers
4k views

Remove Windows 7 taskbar thumbnails

Is there any way to get rid of the taskbar thumbnail previews on Windows 7 once and for all?
2
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2answers
906 views

ffmpeg thumbnails with exact size main aspect ratio

Hi need to get one thumbnail with resolution 560x420. I'm using this command: ffmpeg -i "file.mp4" -vf "scale=560:-1,pad=max(iw\,ih):420:(ow-iw)/2:(oh-ih)/2" \ -frames:v 1 best.png This command ...
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2answers
7k views

Can ImageMagick make thumbnails from video?

I'm trying to extract thumbnails from video via ImageMagick. I found some samples from their official site, but it makes GIF, not PNG. I want a solid thumbnail though. Can it create the same output ...
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2answers
4k views

Set MP4 thumbnail

With AtomicParsley, you can set the thumbnail that will be displayed when you look at the file in a file explorer. Example commands $ atomicparsley infile.mp4 --artwork infile.png $ atomicparsley ...
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4answers
334 views

Prevent thumbnail in folder icon, Third party tool allowed

When I disable thumbnail preview, I like my folder icon, but I also lose photo preview. How can I get the folder icon like second one along with having photo preview in thumbnail? I compromised to ...
3
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0answers
2k views

optimise FFMPEG live stream THUMBNAIL

After testing many possibilities, I have a perfect command line for creating thumbnails from a live stream: ffmpeg -i rtmp://srvIp/h264.stream -r 1 -an -updatefirst 1 -y thumbnail.jpg It refreshes a ...
1
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0answers
531 views

Thumbnails in Chrome does not show up

This is my Chrome's homepage. Whenever I start Chrome or open a new tab, this page appears. The page thumbnails just does not show up. Although the page icons and titles are proper. I figured that ...
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3answers
1k views

How do I prevent LibreOffice saving the file with the thumbnails?

I am using LibreOffice 4.0 on Windows 7 and I have noticed that it saves files (for example Writer) with a preview. (The icon of the file shows what's inside it, it looks like a page). How do I turn ...
2
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1answer
1k views

Create thumbnails with 80% height of the input using FFmpeg

I want to take a screenshot/thumbnail from a clip whose size is 1024×780, but I don't want the entire height. I just want the screenshot to take 768 × 80% of the height. This is because ...
4
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2answers
3k views

How to sort Windows 7 taskbar thumbnail previews?

Here is a screenshot of the list of windows I have stacked in my Windows 7 taskbar. This is just for Explorer, but similarly I have lots of stacked windows of other processes as well. Currently ...
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1answer
306 views

In Mac OS X how to define the thumbnail for a specific file type?

I have many files with the file extension ".dat". I wish to assign a thumbnail to these files with this extension because the default one is of very low resolution and is disturbing when working. I ...
3
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1answer
403 views

Increase Windows taskbar thumbnail/preview size

Is there a way to increase the size of the mouse-over thumbnail size for Windows 7 task-bar items? Ie, if I have multiple file explorers open and mouse-over them it would be nice to have larger, ...
7
votes
5answers
76k views

Thumbnails for video files are not showing in Windows 7

When I open my video folder, the thumbnails aren't showing. Instead, the default VLC icon was being displayed. Other files and image thumbnails are being displayed properly, only the videos have ...
2
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1answer
4k views

No thumbnails for files on the network in Windows 8 explorer

I have a fresh Windows 8 machine which I just unwrapped, but after moving all of my files to a NAS box I have lost all thumbnails in explorer. I browse to the folder and all my JPEGs just have a ...
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5answers
29k views

Meaningful thumbnails for a Video using FFmpeg

FFmpeg can capture images from videos that can be used as thumbnails to represent the video. Most common ways of doing that are captured in the FFmpeg Wiki. But, I don't want to pick random frames at ...
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0answers
495 views

Windows 8: Video preview only shows first frame

I just switched from 7 to 8, but it seems MS changed the way the explorer displays the video preview icons. I think that 7 skipped into the video a few frames, or even took a frame with more colour? ...
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0answers
532 views

How to properly embed a preview into EPS for use in MS Word?

I know that EPS is not the best format for MS Word. Unfortunately I'm forced to use MS Word and EPS is the format I have most figures in. I'd prefer to stay with EPS in case I make other LaTeX ...
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0answers
759 views

How to show icons for some file types and thumbnails for others?

How can I control which file types are shown as thumbnails and which as icons? I do think that showing these tiny little thumbnails for things like text file or spreadsheet is utterly stupid. You can'...
3
votes
2answers
836 views

Refresh “Most visited” pages previews

On OS X 10.8 I'm using Chrome 23.0.1271.64, the latest version as of today. The "Most visited" page thumbnails show content which completely outdated since months, though I visited the pages in the ...
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0answers
403 views

How to copy desktop thumbnail for pictures on Windows 7

I noticed how smooth the thumbnails are on the desktop for any images placed on it. Is there any way I can copy the thumbnails or save them as an image of their own? Preferably in PNG format. Or a ...
8
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4answers
38k views

How to enable thumbnail previews for my non-standard (mp4 avi mov mkv) video files in Windows 8?

I've installed the default VLC player to decode my .mp4 files but I'd like to enable a thumbnail view in the explorer. All I see at the moment is the traffic cone (the default icon for files ...
1
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1answer
3k views

How to create thumbnail image from .flv video by using ffmpeg ?

I am using following command to create thumbnail image from flv video , image is created but with error (image doesn't open) ffmpeg -ss 00:00:10 -i output.mp4 -f image2 -s 150x150 -vframes 1 -c:v ...
3
votes
1answer
4k views

How are thumbnails stored on Mac OS X?

I have noticed that thumbnails on Mac OS X don't seem to be generated every time I open a folder, but to be somehow "cached" instead. I wasn't able, however, to find a folder where they clearly look ...
2
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1answer
898 views

How to make Opera display full zoomed-out thumbnails like it used to?

Since a few versions ago, Opera has started displaying unscaled thumbnails in speed dial, which I find invariably useless, most sites only showing a bit of logo and a header. I would like to return to ...
3
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2answers
2k views

How to remove Facebook thumbnails from Windows 8 People app

I'm experimenting with Windows 8. There's still a lot I don't know how to do. I've loaded it onto a work tablet, and signed in using my Windows Live account. My Live account is linked to my Facebook ...
2
votes
4answers
7k views

How to create a thumbnail from the middle of a video with FFmpeg

Is there a way to grab a video thumbnail in FFmpeg? I'd like to grab the middle-most frame as the video and use that as the thumbnail. Video duration is unknown. The ability to specify the ...
0
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1answer
760 views

Windows Explorer not showing film frame for .mp4

Anyone knows what part of registry is related to this film frame? I installed and uninstalled mp4box, avidemux, YAMB try to set default aspect ratios but failed, and now I have a new problem.
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2answers
1k views

show .jps 3d image file thumbnails in folders on windows 7 x64

A .jps file is a 3d image file which in reality is a jpg with leftright images joined (JPEG Stereoscopic) Months ago i found a registry hack for windows that enabled explorer to show the thumbnails ...
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1answer
58 views

Firefox 13+, how to load new tab thumbnails from current tab?

Sometimes I end up with 20+ tabs, and if I'm on tab number 2 and I finish my business with that tab, to open a new tab with thumbnails I have to hit CMD-T, but that opens the new tab at the far end. ...
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0answers
243 views

How to show thumbnails in the “new tab” page in Firefox 13+?

When opening a new tab in Firefox, I see no thumbnails: It's exactly what is described in this ghacks post (see the photo), but taking the steps they say does not solve the problem. I don't erase ...
1
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1answer
6k views

Custom video icon for a single video file in windows 7 file explorer

Recently I found a video on the net ( a .mp4 file), and when I had it on my computer with Windows7, I noticed its thumbnail was not the average windows 7 video thumbnail (which looks like a piece of ...
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2answers
12k views

Thumbnails not showing, cannot preview images, sometimes folders do not show up at all

When I try to preview images, nothing happens. Sometimes, all/most thumbnails do not show a preview and only show up as an icon. Sometimes when I open 'My Computer' or 'My Documents' etc. the ...
2
votes
2answers
6k views

How can I speed up the viewing of folder with many video files [duplicate]

Possible Duplicate: Is there a way to increase how much is cached for thumbnail views of pictures? I have a folder with many videos of my family and each time I open the folder I wait for ...
0
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1answer
810 views

How do I see images in Windows Explorer (Windows 7) Name column as pictures rather than generic icons?

I've read all the solutions given in this forum and changed Organize > Folder and Search Options: View Tab from the default of the option "Always show icons, never thumbnails" from checked to ...
3
votes
1answer
3k views

Increase maximal thumbnail size in Windows Explorer

I would like to inspect images in Windows Explorer on W7 in greater detail on a big screen. Thumbnails are by default limited to ~ 256x256 px. Is there a way to increase the upper bound or some 3rd ...
0
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1answer
848 views

How can I make the thumbnails in a window xp appear to bigger in size?

How can I make the thumbnails in a window xp to appear bigger in size? I am a designer, it would be best to quick glances over a bigger thumbnails, as what windows xp default thumbnail size is.
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1answer
543 views

Windows 7 explorer thumbnails stop loading

So my thumbnails in explorer work fine when I restart my computer, however, eventually they stop loading. Even the preview pane will no longer update... for any type of file. And occasionally the ...
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1answer
1k views

Altering the Windows 7 grouping thumbnail preview

I like the windows 7 grouping behaviour for multiple similar windows, except when I have multiple Explorer windows open. In this case, showing thumbnails of each open explorer window is next to ...
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0answers
167 views

Turn off TaskBar Thumbnails on Windows 7 - Classic Theme [duplicate]

Possible Duplicate: How to disable windows 7 taskbar thumbnails preview? Aero peek is turned permanently on.How to turn it off? Is there a way to get rid of the annoying thumbnail previews ...
2
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0answers
968 views

Force Windows 7 to store thumbnails locally

I want Windows 7 to store thumbnails cache files in the same folder as the files (thumbs.db) instead of using the centralized location for all thumbnails (By default %userprofile%\AppData\Local\...
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0answers
155 views

Win+E vs explorer command - the difference?

The background is that I wanted Windows Explorer to remember file / folder icons position in thumbnail view in one specific folder. As I often use Total Commander to browse through the files, I've ...
1
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1answer
635 views

Thumbnail view freezes in windows XP explorer

When I try load on an XP machine Thumbnail view of folder that has few hundred (over 200 hundred) PDFs and JPGs in it, the I get explorer window that is not responding. It is fine if there only few ...