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Questions tagged [frame]

61 questions
77
votes
12 answers

How can I launch a browser with no window frame or tabs/address bar

I am looking for a way to launch Chrome, Firefox, or IE9+ (any one will do) from a script or command line without any window frame, address bar, or tabs section. Illustration: For instance, I'd like to only be able to see the section that is…
FoamyGuy
  • 1,153
55
votes
5 answers

Getting the video frame number in VLC

I'm running VLC 2.0.5 on Mac OS X 10.6.8. I have a .mpg video paused, and I would like to know the frame number for this moment in the video. Is there a way to reveal that in VLC? P.S. I scrubbed back and forth through the video to reach the point…
hpy
  • 6,261
53
votes
2 answers

How to extract a frame out of a video using ffmpeg

I have a video and I want to extract 35-th frame out of this video. I want it to be a png image if possible. I know there are a lot of questions like this, but I could not find a solution that was using frame number.
Levan
  • 1,279
30
votes
4 answers

How to get the URL of the frame in chrome browser

I want to check my URL is correct redirected (parameter etc.) in Chrome. In the address bar only the main URL is listed. In IE all you need is right-click -> Properties. How to obtain the same in Chrome? The URL in the source of the e.g. iframe tag…
Alexander Zwitbaum
  • 716
26
votes
1 answer

FFmpeg : How to get last frame from a video

I have a video.mp4 file i want to get last frame from video/mp4 file and save as a image in local. If it is possible then please suggest me. Thanks.
Komal Raghav
  • 261
21
votes
3 answers

Extracting "one of every 10 frames" in a video using VLC or FFmpeg

I am trying to extract "exactly 1 frame of every 10" frames of a video (i.e. extract 1 , leave 9 then repeat) for scientific purposes. The video is 105 frames, 3.5 seconds, 29.97fps (h.264, .mov, produced by Nikon D3100). I have uploaded it…
wmac
  • 1,487
15
votes
2 answers

How do I block my ISP from framing websites?

I've noticed recently, as of today, that all the websites I visit (except for a specific few sites such as Google) are all put into a frame. I'm not sure what the reason for this is, there are no ads displayed and everything appears normal. The only…
PJB
  • 151
9
votes
2 answers

How to add additional key frames to video using ffmpeg?

I want to add key frames on the base of a specific interval (20 frames) to my video. Therefore I used the following command in ffmpeg: ffmpeg -i -vcodec libx264 -x264-params keyint=20:scenecut=0 -acodec copy out.mp4 Output is, that I get…
Julian F.
  • 533
7
votes
2 answers

FFMPEG extract intra-frames I,P,B frames

Is there a way to extract the intra-frames and preserve them as-is from FFMPEG or similar program? I know you can extract frames to a sequence of JPEG images using -f image2. But those are full images of each of the frames. I would like to only…
ndmweb
  • 391
7
votes
3 answers

ffmpeg extract pictures from several selected time points

I have a videofile and like to extract a single image from (about 1500) specific timepoints.(expl. -ss 00:50, ss 00:67, ss: 01:70 ...) Is there a way to do this? I tried out to use this command: ffmpeg.exe -ss 00:50 -i all.avi -t 00:00:01 -vframes…
Jakob Winter
  • 71
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6
votes
1 answer

Take frame from video with command-line utility in Windows

I want to take a frame of a video at a certain percentage of time (for example, 25%, 50% and 75%) and save it somewhere. I need this to be done from the command-line so I can automate it. Also, this needs to be done in Windows. Does anyone know…
brott
  • 137
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6
votes
4 answers

What happens to frame when it reaches a switch or router?

As I understand it, when one PC sends a frame to another PC through a switch, the frame remains unchanged. The switch receives it and sends the exact same frame. But what happens if we have two PCs connected to a router and we send something between…
dargemir
  • 71
5
votes
2 answers

Extract video frames display time and frame number

I would like to extract each frame and its display time. The purpose will be to later compare the output between two videos (reference/original video and the transmitted video) and see what frames are missing. I plan on using Big Buck Bunny…
user1991772
  • 51
4
votes
1 answer

ffmpeg: How does ffmpeg decide which frames to pick when fps value is specified?

I am using ffmpeg to extract 3 frames per second using this command ffmpeg -i input.flv -f image2 -vf fps=fps=3 out%d.png I am wondering if I set the fps value, then how does ffmpeg select 3 frames in a second. Is it random or does it take the…
diggy
  • 181
4
votes
0 answers

How to find dropped/duplicated frames in a video file?

I have some videos files where a few frames were missing. I can verify that by playing it in a video player and advance frame-by-frame, or by extracting all frames with ffpeg then check the output images ffmpeg -loglevel trace -i myfile.mp4…
phuclv
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