Little improvements, i guess

This commit is contained in:
2024-07-14 19:00:57 +02:00
parent 360312692b
commit 1bbb742315
6 changed files with 9 additions and 80 deletions

View File

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