61 lines
1.1 KiB
Go
61 lines
1.1 KiB
Go
// +build example
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//
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// Do not build by default.
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/*
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You must have MPlayer (https://mplayerhq.hu) installed in order to run this code. it will connect to the Tello
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and then open a window using MPlayer showing the streaming video.
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How to run
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go run examples/tello_video.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/exec"
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"time"
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"gobot.io/x/gobot"
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"gobot.io/x/gobot/platforms/dji/tello"
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)
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func main() {
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drone := tello.NewDriver("8890")
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mplayer := exec.Command("mplayer", "-fps", "60", "-")
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mplayerIn, _ := mplayer.StdinPipe()
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if err := mplayer.Start(); err != nil {
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fmt.Println(err)
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return
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}
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work := func() {
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drone.On(tello.ConnectedEvent, func(data interface{}) {
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fmt.Println("Connected")
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drone.StartVideo()
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drone.SetVideoEncoderRate(tello.VideoBitRateAuto)
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gobot.Every(100*time.Millisecond, func() {
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drone.StartVideo()
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})
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})
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drone.On(tello.VideoFrameEvent, func(data interface{}) {
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pkt := data.([]byte)
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if _, err := mplayerIn.Write(pkt); err != nil {
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fmt.Println(err)
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}
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})
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}
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robot := gobot.NewRobot("tello",
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[]gobot.Connection{},
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[]gobot.Device{drone},
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work,
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)
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robot.Start()
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}
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