93 lines
2 KiB
Go
Executable file
93 lines
2 KiB
Go
Executable file
package main
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import (
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"image"
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"log"
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"net/http"
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"path/filepath"
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"text/template"
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"time"
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"gocv.io/x/gocv"
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)
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func index(w http.ResponseWriter, r *http.Request) {
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if r.FormValue("URL") == "" {
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indexTemplate, err := template.ParseFiles(filepath.Join("templates", "index.html"))
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if err != nil {
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log.Fatal(err)
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}
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indexTemplate.Execute(w, nil)
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return
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}
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streamURL := Stream{
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URL: r.FormValue("URL"),
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}
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streamTemplate, err := template.ParseFiles(filepath.Join("templates", "stream.html"))
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if err != nil {
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log.Fatal(err)
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}
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streamTemplate.Execute(w, streamURL)
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}
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func stream(w http.ResponseWriter, r *http.Request) {
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if r.FormValue("URL") == "" {
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return
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}
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w.Header().Set("Content-Type", "image/jpeg")
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URL := r.FormValue("URL")
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stream := NewStream(URL)
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img := stream.GetStreamInstant(URL)
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mat, err := gocv.IMDecode(img, gocv.IMReadGrayScale)
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if err != nil {
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log.Fatal("Could not IMDecode img")
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}
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//gocv.Resize(mat, &mat, image.Point{X: 0, Y: 0}, 0, 0, gocv.InterpolationCubic)
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gocv.GaussianBlur(mat, &mat, image.Point{X: 21, Y: 21}, 0, 0, gocv.BorderReflect)
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go stream.SaveStreamInstant(URL, mat)
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if stream.PreviousInstantPathExists() {
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if err != nil {
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log.Fatal("Could not IMDecode img")
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}
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previous := stream.IMReadPrevious()
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gocv.GaussianBlur(previous, &previous, image.Point{X: 21, Y: 21}, 0, 0, gocv.BorderReflect)
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gocv.AbsDiff(previous, mat, &mat)
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gocv.Threshold(mat, &mat, 25, 255, gocv.ThresholdBinary)
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//img, err = gocv.IMEncode(".jpg", newMat)
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}
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w.Write(img)
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}
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func listenAndServe() {
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staticFileServer := http.FileServer(http.Dir("./static"))
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http.Handle("/static/", http.StripPrefix("/static/", staticFileServer))
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http.HandleFunc("/", index)
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http.HandleFunc("/stream", stream)
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log.Fatal(http.ListenAndServe(":8080", nil))
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}
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func backend() {
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for {
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time.Sleep(time.Second)
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}
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}
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func main() {
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go listenAndServe()
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backend()
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}
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