mirror of
https://github.com/hybridgroup/gocv
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examples: add asciicam video to ascii in your terminal
Signed-off-by: deadprogram <ron@hybridgroup.com>
This commit is contained in:
deadprogram
@@ -2,6 +2,12 @@
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GoCV comes with various useful command line utilities, that are also examples of how to use the package.
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## ASCIIcam
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Capture video from a connected webcam, and display it in the current terminal window in ASCII format.
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https://github.com/hybridgroup/gocv/blob/release/cmd/asciicam/main.go
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## Basic Drawing
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Demonstrates the basic drawing primitives available for drawing on images.
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76
cmd/asciicam/main.go
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76
cmd/asciicam/main.go
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// What it does:
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//
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// This example uses the VideoCapture class to capture video
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// then displays the ASCII representation of the video frames.
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//
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// How to run:
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//
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// go run ./cmd/asciicam/main.go
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//
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package main
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import (
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"fmt"
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"os"
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"github.com/subeshb1/wasm-go-image-to-ascii/convert"
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"gocv.io/x/gocv"
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)
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const (
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// FixedWidth is the fixed width of the ASCII image
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FixedWidth = 80
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// FixedHeight is the fixed height of the ASCII image
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FixedHeight = 40
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)
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var buf gocv.Mat
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func main() {
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if len(os.Args) < 2 {
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fmt.Println("How to run:\n\tcaptest [camera ID]")
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return
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}
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// parse args
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deviceID := os.Args[1]
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webcam, err := gocv.OpenVideoCapture(deviceID)
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if err != nil {
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fmt.Printf("Error opening video capture device: %v\n", deviceID)
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return
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}
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defer webcam.Close()
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// streaming, capture from webcam
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buf = gocv.NewMat()
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defer buf.Close()
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asciiConverter := convert.NewImageConverter()
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opts := &convert.Options{FixedWidth: FixedWidth, FixedHeight: FixedHeight, Colored: true}
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fmt.Printf("Start reading device: %v\n", deviceID)
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for {
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if ok := webcam.Read(&buf); !ok {
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fmt.Printf("Device error: %v\n", deviceID)
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continue
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}
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if buf.Empty() {
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continue
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}
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img, err := buf.ToImage()
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if err != nil {
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fmt.Printf("Error converting mat to image: %v\n", err)
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continue
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}
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// clear screen
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fmt.Print("\033[H\033[2J")
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// print the ASCII representation of the frame
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fmt.Println(asciiConverter.Image2ASCIIString(img, opts))
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}
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}
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6
go.mod
6
go.mod
@@ -5,4 +5,10 @@ go 1.21
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require (
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github.com/hybridgroup/mjpeg v0.0.0-20140228234708-4680f319790e
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github.com/pascaldekloe/goe v0.1.0
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github.com/subeshb1/wasm-go-image-to-ascii v0.0.0-20200725121413-d828986df340
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)
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require (
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github.com/aybabtme/rgbterm v0.0.0-20170906152045-cc83f3b3ce59 // indirect
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github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 // indirect
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)
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21
go.sum
21
go.sum
@@ -1,4 +1,25 @@
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github.com/aybabtme/rgbterm v0.0.0-20170906152045-cc83f3b3ce59 h1:WWB576BN5zNSZc/M9d/10pqEx5VHNhaQ/yOVAkmj5Yo=
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github.com/aybabtme/rgbterm v0.0.0-20170906152045-cc83f3b3ce59/go.mod h1:q/89r3U2H7sSsE2t6Kca0lfwTK8JdoNGS/yzM/4iH5I=
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github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/hybridgroup/mjpeg v0.0.0-20140228234708-4680f319790e h1:xCcwD5FOXul+j1dn8xD16nbrhJkkum/Cn+jTd/u1LhY=
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github.com/hybridgroup/mjpeg v0.0.0-20140228234708-4680f319790e/go.mod h1:eagM805MRKrioHYuU7iKLUyFPVKqVV6um5DAvCkUtXs=
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github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
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github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 h1:zYyBkD/k9seD2A7fsi6Oo2LfFZAehjjQMERAvZLEDnQ=
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github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646/go.mod h1:jpp1/29i3P1S/RLdc7JQKbRpFeM1dOBd8T9ki5s+AY8=
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github.com/pascaldekloe/goe v0.1.0 h1:cBOtyMzM9HTpWjXfbbunk26uA6nG3a8n06Wieeh0MwY=
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github.com/pascaldekloe/goe v0.1.0/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
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github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/shurcooL/go v0.0.0-20200502201357-93f07166e636/go.mod h1:TDJrrUr11Vxrven61rcy3hJMUqaf/CLWYhHNPmT14Lk=
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github.com/shurcooL/go-goon v0.0.0-20170922171312-37c2f522c041/go.mod h1:N5mDOmsrJOB+vfqUK+7DmDyjhSLIIBnXo9lvZJj3MWQ=
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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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github.com/stretchr/objx v0.3.0 h1:NGXK3lHquSN08v5vWalVI/L8XU9hdzE/G6xsrze47As=
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github.com/stretchr/objx v0.3.0/go.mod h1:qt09Ya8vawLte6SNmTgCsAVtYtaKzEcn8ATUoHMkEqE=
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github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
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github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
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github.com/subeshb1/wasm-go-image-to-ascii v0.0.0-20200725121413-d828986df340 h1:EN1NUPDAdhpWv9zNNdbovzqfJaRmnrwWaq0huRzQp9I=
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github.com/subeshb1/wasm-go-image-to-ascii v0.0.0-20200725121413-d828986df340/go.mod h1:A2X7CsJFb8jEdYaWeCbs2HydXC69J4Iaw4DM+bly5iw=
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github.com/wayneashleyberry/terminal-dimensions v1.0.0/go.mod h1:PW2XrtV6KmKOPhuf7wbtcmw1/IFnC39mryRET2XbxeE=
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golang.org/x/sys v0.0.0-20181019160139-8e24a49d80f8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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