Questions tagged [timelapse]
77 questions
0
votes
0 answers
PHP: How to serve JPG files (from a webcam) as a stream or movie?
I have a set of images with filenames in the format webcam-.jpg located in a folder on the webserver. I want to serve them as a kind of timelapse slideshow to the client.
Is there a way to create a movie stream on-the-fly from these…

Thomas M.
- 600
- 1
- 6
- 14
0
votes
0 answers
How to determine the disappearence of a blurry spot in a video
I am considering frames of a video of a single object (black and white chess board) where there is a certain blur moving to different spots on the object as time goes on.
What I need is to determine when the blur ceases to be.
I was thinking of…

user49719
- 11
- 1
0
votes
0 answers
Why menconder fps rate does not work?
I'm using mencoder to create a video out of some .png files. The problem is that the frame rate doesn't change, regardless of the -fps flag. The output video has different time lengths (in their properties), but the video's size and speed are always…

ACR
- 81
- 1
- 7
0
votes
1 answer
Time lapse web interface
Hello and thanks in advance for looking at my problem. I'm trying to create a web interface for a time lapse project I'm doing right now, but I don't know exactly where to start with this.
What I have
A website, obviously;
A lot of pictures, made…

ZipperZapper
- 35
- 8
0
votes
2 answers
Gstreamer video to pgm files
I'm trying to save multiple files in RAW format (PGM) from a video source by using Gstreaamer. By reading thanks to the gst-inspect tool the differents sources and sinks available for the differents plugins that I use, I can't find the right way to…

deletMe
- 65
- 2
- 9
0
votes
2 answers
Using PHImageManager in swift (requestAVAssetForVideo)
I am using an objective-c image picker image picker to pick a time lapse but I am doing it in swift. I only had access to the objective-c code so I used a objective-c to swift converter and I have an error.
func…

Tom Fox
- 897
- 3
- 14
- 34
0
votes
1 answer
Nullpointerexception if try to record video again after cancelling
I have integrated camera which allows user to record time lapse videos.When the user is recording a video a cancel button is there which allows user to cancel the current recording.My issue is that if after cancelling i try to record again i get the…

Programmer
- 55
- 8
0
votes
2 answers
ImageMagik "convert" function can't crop more than 300 files at once
I am working on creating a video timelapse. All the photos I took are .jpg images shot at 4:3 aspect ratio. 2592x1944 resolution. I want them to be 16:9 at 1920x1080.
I have written a little script to do this, as well as piece together a video, but…

Brian C
- 1,333
- 3
- 19
- 36
0
votes
1 answer
VLC RTP stream output capture with time label
I am trying capture several images from a RTP stream in order to make a timelapse video, I would like the images show a on-screen time label. I have been using this command:
vlc.exe rtsp://192.168.1.49/live/main --video-filter=scene…

Ucotecnico
- 3
- 1
- 3
0
votes
2 answers
Creating time lapse images in python
The following code capture an image from webcam, and saves into the disk. I want to write a program which can automate capturing of an image at every 30 seconds until 12 hours. What is the best way to do that?
import cv2
cap =…
user3235542
0
votes
1 answer
Count how many times a condition is triggered in MySQL into a time lapse
I have this sql table
temp_int hum_int datetime
25.9 84 2013-10-01 11:30:00
26.4 81 2013-10-01 11:45:00
25.3 88.1 2013-10-02 11:00:00
26.3 85.8 2013-10-02 11:15:00 …

ManuParra
- 1,471
- 6
- 18
- 33
0
votes
1 answer
Raspberry pi Ip webcam image grab
I have an Ip webcam that shows an image on it's small webserver. I want my raspberry pi to grab these images and save them with a date and time. Sort of like a timelapse. The camera is supposed to only be connected over the internet.

Dragongeek
- 263
- 1
- 5
- 23
-1
votes
1 answer
Is there a way to make time lapses with ffmpeg?
How can you make a time-lapse with FFmpeg on ubuntu? And I don't mean converting a video into a time-lapse. I mean recording your laptop screen at a sped-up pace.

vic-st
- 15
- 1
- 7
-1
votes
1 answer
Raspberry pi two AP wifi connection
The title is simple but let me add some more interesting components.
I building a time lapse camera, I already have 6 Gopro hero 4, ups 12v and a stepdown to 5v.
I want to operate from home the camera, so here is how is done:
1 UPS Cyber power…

Diego Martincic
- 31
- 3
-1
votes
1 answer
Time lapse code in C++
I had to create timelapse function to wait for X amount of time in a loop.
The following code checks the boolean value of m_abortTimeLapseThread but after running for an hour I noticed the execution time of this code created 10 seconds delay. Is…

user1296153
- 575
- 6
- 23