Questions tagged [gopro]

GoPro cameras are high-def video cameras usually used in sports and action videography.

GoPro cameras are high-def video cameras usually used in sports and action videography.

GoPro Website

97 questions
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6 answers

Is there a way to remove GoPro fisheye using ffmpeg

It seems possible to compensate the fisheye distortion using ffmpeg thanks to the lenscorrection filter: ffmpeg -i in.mp4 -vf "lenscorrection=cx=0.5:cy=0.5:k1=-.25:k2=-.25" out.mp4 What values for k1 and k2, particularly for a gopro? Is there a way…
user4223883
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2 answers

streaming m3u8 file with opencv

I am trying to capture a live stream from a GoPro using cv2 in python with the following code: VIDEO_URL = "http://10.5.5.9:8080/live/amba.m3u8" cam = cv2.VideoCapture(VIDEO_URL) cv2.namedWindow("GoPro",cv2.CV_WINDOW_AUTOSIZE) while True: f, im…
jeremyeastwood
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How to stabilize a goPro video with ffmpeg?

I want to know an EASY way to stabilize a goPro video on Windows, using a simple batch and ffmpeg.
Julien Mazars
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7
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1 answer

ffmpeg concat and preserve metadata streams

I'm trying to concat multiple files that are the result of a GoPro Hero6 splitting movies to avoid the FAT 4GB limit. ffmpeg works great for this purpose but I need the telemetry data that is encoded in the metadata streams, and ffmpeg by default…
Andrew
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7
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4 answers

Calculate g-force from acceleration for 1 second interval

I have extracted a CSV file with accelerometer data (in m/s2) from GoPro metadata file (github library). One second of accelerometer contains ~200 samples of data on 3 axis. A sample of this file looks like this: In PHP, for each instantaneous…
Binar Web
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7
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1 answer

Field of view of a GoPro camera

I have calibrated my GoPro Hero 4 Black using Camera calibration toolbox for Matlab and calculated its fields of view and focal length using OpenCV's calibrationMatrixValues(). These, however, differ from GoPro's specifications. Istead of 118.2/69.5…
7
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2 answers

How connect my GoPro Hero 4 camera live stream to openCV using Python?

I 'm having troubles trying to capture a live stream from my new GoPro Hero 4 camera and do some image processing on it using openCV. Here is my trial (nothing shows up on the created window import cv2 import argparse import time import…
Ahmed Samy
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GoPro: get each frame time stamp

I am currently trying to extract each frame time stamp from an MPEG-4 file that has been recorded using a GoPro. I want the exact time at which the frame has been captured by the camera, to couple that with computer vision algorithms later on. I…
jlengrand
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GoPro (MP4) video timestamp sync with precision of milliseconds

I need your help with a data sync problem... I m currently trying to sync my GoPro video with real world time (a.k.a my notebook). I manage to sync date and time of my notebook and my GoPro 3+ black perfectly. The problem is that when the GoPro…
Raphael Ottoni
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Live stream gopro 4 footage to a web app

I've got a fun question for you guys. I want to build a web app, preferably in python/django that takes live streaming footage from a gopro camera and posts it to my site. Whats your opinion on ffmpeg, nginx or using a Livestream/Ustream api? A…
5
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1 answer

OpenCV and GoPro - empty frames in VideoCapture stream

I have a GoPro Hero 3+ (Black) which is connected to a video capture card (AverMedia Game Broadcaster HD). I simply want to get the video stream in OpenCV. With a Logitech Webcam there are no problems. The used code is below. VideoCapture…
Novatar
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How to set Udpsrc for GStreamer to a remote UDP - streaming from a GoPro

Hej! I'm trying to set up the following: I have a GoPro Session 5 which streams from udp://10.5.5.9:8554 I have a raspberry pi 3 that is connected to the GoPro's wifi hotspot I'd like to stream from the GoPro via the rpi over 4g to a Gstreamer…
4
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0 answers

How to access MTP device (e.g. GoPro) through python on windows

I'm trying to access a GoPro camera storage via the MTP interface on Windows using Python. I found two options that both do no work: pymtp: it needs a mtp dll library that I cannot find, so it fails here: _module_path =…
Roalt
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Live Stream from GoPro 4 Session to Android unoffically

I am developing an Android app to get the live stream from a GoPro 4 Session to the app. In previous GoPro models, the live stream can be got by the URL request http://10.5.5.9:8080/live/aaba.m3u8 However, in GoPro Hero 4 models, the URL request has…
chengsam
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GoPro.Hero library runs on console application and freezes windows forms

I'm trying to control a GoPro Hero 3 camera. I found a library on the Internet: https://github.com/r1pper/GoPro.Hero and from what i read it's a nice library. But when I try to create a connection with the camera my complete windows forms…
jfamvg
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