broodjeaap/streamwatcher
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more cleanup

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BroodjeAap 2020-07-07 19:04:12 +00:00
parent 93f416403e
commit 79c7e03620
2 changed files with 22 additions and 19 deletions
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22
main.go
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@ -42,28 +42,30 @@ func stream(w http.ResponseWriter, r *http.Request) {
stream := NewStream(URL)
img := stream.GetStreamInstant(URL)
go stream.SaveStreamInstant(URL, img)
if stream.PreviousInstantPathExists() {
newMat := gocv.NewMat()
mat, err := gocv.IMDecode(img, gocv.IMReadGrayScale)
if err != nil {
log.Fatal("Could not IMDecode img")
}
gocv.GaussianBlur(mat, &newMat, image.Point{X: 21, Y: 21}, 0, 0, gocv.BorderReflect)
//gocv.Resize(mat, &mat, image.Point{X: 0, Y: 0}, 0, 0, gocv.InterpolationCubic)
gocv.GaussianBlur(mat, &mat, image.Point{X: 21, Y: 21}, 0, 0, gocv.BorderReflect)
go stream.SaveStreamInstant(URL, mat)
if stream.PreviousInstantPathExists() {
if err != nil {
log.Fatal("Could not IMDecode img")
}
previous := stream.IMReadPrevious()
gocv.GaussianBlur(previous, &previous, image.Point{X: 21, Y: 21}, 0, 0, gocv.BorderReflect)
gocv.AbsDiff(previous, newMat, &newMat)
gocv.AbsDiff(previous, mat, &mat)
gocv.Threshold(newMat, &newMat, 25, 255, gocv.ThresholdBinary)
gocv.Threshold(mat, &mat, 25, 255, gocv.ThresholdBinary)
img, err = gocv.IMEncode(".jpg", newMat)
//img, err = gocv.IMEncode(".jpg", newMat)
}
w.Write(img)

21
stream.go
View file

@ -40,22 +40,18 @@ func (s Stream) GetStreamInstant(URL string) []byte {
}
// SaveStreamInstant writes the img to the CurrentStreamInstantPath, moves existing instant to PreviousStreamInstantPath
func (s Stream) SaveStreamInstant(URL string, img []byte) {
streamDir := URLToBase64(URL)
streamStoreDir := filepath.Join(".", "streams", string(streamDir))
func (s Stream) SaveStreamInstant(URL string, mat gocv.Mat) {
streamStoreDir := s.GetStreamStoreDirPath()
os.MkdirAll(streamStoreDir, os.ModePerm)
currentStreamInstantPath := filepath.Join(streamStoreDir, "current.jpg")
swap := FileExists(streamStoreDir)
currentStreamInstantPath := s.GetCurrentInstantPath()
swap := FileExists(s.GetCurrentInstantPath())
if swap {
currentStreamInstantPath = filepath.Join(streamStoreDir, "next.jpg")
currentStreamInstantPath = s.GetNextInstantPath()
}
err := ioutil.WriteFile(currentStreamInstantPath, img, os.ModePerm)
if err != nil {
log.Fatal("Can't write latest stream instant.")
}
gocv.IMWrite(currentStreamInstantPath, mat)
if swap {
s.SwapInstants(s.GetPreviousInstantPath(), s.GetCurrentInstantPath(), s.GetNextInstantPath())
@ -84,6 +80,11 @@ func (s Stream) StreamStorePathExists() bool {
return FileExists(s.GetStreamDirPath())
}
// GetStreamStoreDirPath returns filepath.Join(s.GetStreamDirPath(), s.base64)
func (s Stream) GetStreamStoreDirPath() string {
return filepath.Join(s.GetStreamDirPath(), s.base64)
}
// GetPreviousInstantPath returns filepath.Join(GetStreamDirPath(), s.base64, "previous.jpg")
func (s Stream) GetPreviousInstantPath() string {
return filepath.Join(s.GetStreamDirPath(), s.base64, "previous.jpg")