Little improvements, i guess
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@@ -2,7 +2,6 @@ package main
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import (
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"fmt"
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"github.com/blackjack/webcam"
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mqtt "github.com/eclipse/paho.mqtt.golang"
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"log"
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"time"
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@@ -45,79 +44,6 @@ func onPing(client mqtt.Client, msg mqtt.Message) {
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publishTelemetry(client, "pong", msg.Payload())
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}
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func handleWebcam(client mqtt.Client) {
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cam, err := webcam.Open("/dev/video0")
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if err != nil {
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log.Fatalf("Could not open webcam: %v\n", err)
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}
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defer cam.Close()
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supportedFormat := cam.GetSupportedFormats()
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//log.Printf("Supported formats:\n")
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imageFormat := webcam.PixelFormat(0)
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for format, description := range supportedFormat {
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if description == "10-bit Bayer GBGB/RGRG" {
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imageFormat = format
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}
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}
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//width, height := 1296, 972
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//width, height := uint32(2592), uint32(1944)
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width, height := uint32(640), uint32(480)
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if imageFormat != webcam.PixelFormat(0) {
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_, _, _, err = cam.SetImageFormat(imageFormat, width, height)
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if err != nil {
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log.Fatalf("Could not set image format: %v\n", err)
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}
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}
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supportedFramerates := cam.GetSupportedFramerates(imageFormat, width, height)
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log.Printf("Supported frame rates:\n")
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for _, format := range supportedFramerates {
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log.Printf(" - %s\n", format)
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}
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controls := cam.GetControls()
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log.Printf("Controls:\n")
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for _, control := range controls {
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log.Printf(" - %s\n", control)
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}
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//cam.SetAutoWhiteBalance(true)
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//cam.SetControl()
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//err = cam.SetFramerate(10)
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//if err != nil {
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// log.Fatalf("Could not set framerate: %v\n", err)
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//}
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err = cam.StartStreaming()
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if err != nil {
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log.Fatalf("Could not start streaming webcam: %v\n", err)
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}
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count := 0
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for {
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err = cam.WaitForFrame(100)
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if err != nil {
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log.Fatalf("Could not start streaming webcam: %v\n", err)
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}
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frame, err := cam.ReadFrame()
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if err != nil {
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log.Fatalf("Could not read frame: %v\n", err)
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}
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if len(frame) > 0 {
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count++
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if count > 30*4 {
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print("Publishing frame\n")
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publishTelemetry(client, "camfeed", frame)
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return
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}
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}
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}
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}
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func main() {
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opts := mqtt.NewClientOptions()
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opts.AddBroker(broker)
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@@ -138,7 +64,6 @@ func main() {
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}
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InitBattery()
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//go handleWebcam(client)
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slowTelemetry := time.NewTicker(3 * time.Second)
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defer slowTelemetry.Stop()
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