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cam2ip/README.md
2019-10-06 03:29:40 +02:00

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## cam2ip
Turn any webcam into an IP camera.
Example (in web browser):
http://localhost:56000/mjpeg
or
http://localhost:56000/html
### Requirements
* [libjpeg-turbo](https://www.libjpeg-turbo.org/) (use `-tags jpeg` to build without `CGo`)
* On Linux/RPi native Go [V4L](https://github.com/korandiz/v4l) implementation is used to capture images.
* On Windows [Video for Windows (VfW)](https://en.wikipedia.org/wiki/Video_for_Windows) framework is used over win32 API.
### Build tags
* `cv2` - build with `OpenCV` 2.x ([go-opencv](https://github.com/lazywei/go-opencv))
* `cv4` - build with `OpenCV` 4.x ([gocv](https://github.com/hybridgroup/gocv))
* `jpeg` - build with native Go `image/jpeg` instead of `libjpeg-turbo`
### Download
Binaries are compiled with static OpenCV/libjpeg-turbo libraries, they should just work:
- [Linux 64bit](https://github.com/gen2brain/cam2ip/releases/download/1.5/cam2ip-1.5-64bit.tar.gz)
- [Linux 64bit OpenCV](https://github.com/gen2brain/cam2ip/releases/download/1.5/cam2ip-1.5-64bit-cv2.tar.gz)
- [RPi 32bit](https://github.com/gen2brain/cam2ip/releases/download/1.5/cam2ip-1.5-RPi.tar.gz)
- [RPi 32bit OpenCV](https://github.com/gen2brain/cam2ip/releases/download/1.5/cam2ip-1.5-RPi-cv2.tar.gz)
- [RPi 32bit Static](https://github.com/gen2brain/cam2ip/releases/download/1.5/cam2ip-1.5-RPi-nocgo.tar.gz)
- [RPi3 32bit](https://github.com/gen2brain/cam2ip/releases/download/1.5/cam2ip-1.5-RPi3.tar.gz)
- [RPi3 32bit OpenCV](https://github.com/gen2brain/cam2ip/releases/download/1.5/cam2ip-1.5-RPi3-cv2.tar.gz)
- [Windows 32bit](https://github.com/gen2brain/cam2ip/releases/download/1.5/cam2ip-1.5-32bit.zip)
- [Windows 32bit OpenCV](https://github.com/gen2brain/cam2ip/releases/download/1.5/cam2ip-1.5-32bit-cv2.zip)
- [Windows 64bit](https://github.com/gen2brain/cam2ip/releases/download/1.5/cam2ip-1.5-64bit.zip)
- [Windows 64bit OpenCV](https://github.com/gen2brain/cam2ip/releases/download/1.5/cam2ip-1.5-64bit-cv2.zip)
### Installation
go get -v github.com/gen2brain/cam2ip/cmd/cam2ip
This will install app in `$GOPATH/bin/cam2ip`.
### Run in Docker container
docker run --device=/dev/video0:/dev/video0 -p56000:56000 -it gen2brain/cam2ip # on RPi use gen2brain/cam2ip:arm
### Usage
```
Usage of ./cam2ip:
-bind-addr string
Bind address (default ":56000")
-delay int
Delay between frames, in milliseconds (default 10)
-height float
Frame height (default 480)
-width float
Frame width (default 640)
-htpasswd-file string
Path to htpasswd file, if empty auth is disabled
-index int
Camera index
-nowebgl
Disable WebGL drawing of images (html handler)
-rotate int
Rotate image, valid values are 90, 180, 270
-video-file string
Use video file instead of camera
```
### Handlers
* `/html`: HTML handler, frames are pushed to canvas over websocket
* `/jpeg`: Static JPEG handler
* `/mjpeg`: Motion JPEG, supported natively in major web browsers