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Questions tagged [video-capture]

Questions related to computer oriented video capture and the programming tools and solutions for dealing with captured frames from a video.

2280 questions
463
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24 answers

Capture iOS Simulator video for App Preview

Okay, so we can now submit video previews of our apps on the App Store. According to Apple we should do so with an iOS8 device and OSX 10.10. The problem is you have to have all the different devices (4", 4.7", 5.5" and iPad). Is there an…
AXE
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17 answers

Capture Video of Android's Screen

Forget screenshots, is it posible to capture a video of the running application in android? Rooted or non-rooted, I don't care, I want atleast 15fps. Update: I don't want any external hardware. The intent is to make it perfectly portable and every…
Taranfx
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3 answers

How to record video from background of application : Android

I am developing an application which will be able to record video from background of application by using Service. Problem description : In my application recording will be scheduled. If user want to record video from 1 PM to 3 PM, he will schedule…
Android Learner
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48
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7 answers

Creating thumbnail from local video in swift

How to create thumbnail in swift from a local video file ? For example if the video file path is located here…
Ralph
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37
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3 answers

Choosing a video codec for screen recording

I'm doing a series of tutorials by recording the screen and my voice. Just as PNG works best for screenshots, while JPEG is better suited for photographs (although lossy), which video encoding & container formats are better for screen…
Dheeraj Vepakomma
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33
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4 answers

Recording video feed from an IP camera over a network

I am building a camera security system for my office however we do not want to keep the DVR on site. We looked at NVR (network video recorders) and they are too expensive. I thought of an alternative to this. I do not know how much feasible it is…
YD8877
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32
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2 answers

Can use AVCaptureVideoDataOutput and AVCaptureMovieFileOutput at the same time?

I want to record video and grab frames at the same time with my code. I am using AVCaptureVideoDataOutput for grab frames and AVCaptureMovieFileOutput for video recording. But can't work and get the error code -12780 while working at the same time…
Yu-hua Chang
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31
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3 answers

How can I export an Adobe Connect recording as a video?

I have links to recorded conferences, how can I export video from them?
michael nesterenko
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30
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2 answers

How to get Bytes from CMSampleBufferRef , To Send Over Network

Am Captuing video using AVFoundation frame work .With the help of Apple Documentation http://developer.apple.com/library/ios/#documentation/AudioVideo/Conceptual/AVFoundationPG/Articles/03_MediaCapture.html%23//apple_ref/doc/uid/TP40010188-CH5-SW2…
Asta ni enohpi
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29
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6 answers

MediaRecorder.stop() stop failed: -1007

I am recording video with MediaRecorder. My code works fine on 2.3.3 but fails on 4.0.3. The issue is following: the code mediaRecorder.stop() throws the RuntimeExeption java.lang.RuntimeException: stop failed. at…
Alex
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27
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10 answers

Reading every nth frame from VideoCapture in OpenCV

Is it possible to read frames from a video in steps (eg I want to read every fifth frame of a video stream). Currently I'm doing this as a workaround but it's not very effecient. bool bSuccess int FramesSkipped = 5; for (int a = 0; <…
user3079474
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25
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6 answers

What is the best method to capture images from a live video device for use by a Java-based application?

I am looking into an image processing problem for semi-real time detection of certain scenarios. My goal is to have the live video arrive as Motion JPEG frames in my Java code somehow. I am familiar with the Java Media Framework and, sadly, I…
Bob Cross
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24
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3 answers

How to get the latest frame from capture device (camera) in opencv

I want to connect to a camera, and only capture a frame when an event happens (e.g. keypress). A simplified version of what I'd like to do is this: cap = cv2.VideoCapture(device_id) while True: if event: img = cap.read() …
memo
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2 answers

How to capture screen to be video using C# .Net?

Do you have some library to capture a screen to be a compressed video file or some solution that can do it?
Noppol Pilukruangdet
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24
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3 answers

Simultaneous AVCaptureVideoDataOutput and AVCaptureMovieFileOutput

I need to be able to have AVCaptureVideoDataOutput and AVCaptureMovieFileOutput working at the same time. The below code works, however, the video recording does not. The didFinishRecordingToOutputFileAtURL delegate is called directly after…
user346443
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