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package main
import (
"context"
"log"
"net"
"os"
"os/signal"
"runtime"
"runtime/pprof"
"syscall"
"time"
vnc "github.com/amitbet/vnc2video"
"github.com/amitbet/vnc2video/encoders"
"github.com/amitbet/vnc2video/logger"
)
func main() {
runtime.GOMAXPROCS(4)
framerate := 12
runWithProfiler := false
// Establish TCP connection to VNC server.
nc, err := net.DialTimeout("tcp", os.Args[1], 5*time.Second)
if err != nil {
logger.Fatalf("Error connecting to VNC host. %v", err)
}
logger.Tracef("starting up the client, connecting to: %s", os.Args[1])
// Negotiate connection with the server.
cchServer := make(chan vnc.ServerMessage)
cchClient := make(chan vnc.ClientMessage)
errorCh := make(chan error)
ccfg := &vnc.ClientConfig{
SecurityHandlers: []vnc.SecurityHandler{
//&vnc.ClientAuthATEN{Username: []byte(os.Args[2]), Password: []byte(os.Args[3])}
// &vnc.ClientAuthVNC{Password: []byte("12345")},
&vnc.ClientAuthNone{},
},
DrawCursor: true,
PixelFormat: vnc.PixelFormat32bit,
ClientMessageCh: cchClient,
ServerMessageCh: cchServer,
Messages: vnc.DefaultServerMessages,
Encodings: []vnc.Encoding{
&vnc.RawEncoding{},
&vnc.TightEncoding{},
&vnc.HextileEncoding{},
&vnc.ZRLEEncoding{},
&vnc.CopyRectEncoding{},
&vnc.CursorPseudoEncoding{},
&vnc.CursorPosPseudoEncoding{},
&vnc.ZLibEncoding{},
&vnc.RREEncoding{},
},
ErrorCh: errorCh,
}
cc, err := vnc.Connect(context.Background(), nc, ccfg)
screenImage := cc.Canvas
if err != nil {
logger.Fatalf("Error negotiating connection to VNC host. %v", err)
}
// out, err := os.Create("./output" + strconv.Itoa(counter) + ".jpg")
// if err != nil {
// fmt.Println(err)p
// os.Exit(1)
// }
//vcodec := &encoders.MJPegImageEncoder{Quality: 60 , Framerate: framerate}
//vcodec := &encoders.X264ImageEncoder{FFMpegBinPath: "./ffmpeg", Framerate: framerate}
//vcodec := &encoders.HuffYuvImageEncoder{FFMpegBinPath: "./ffmpeg", Framerate: framerate}
vcodec := &encoders.QTRLEImageEncoder{FFMpegBinPath: "/usr/bin/ffmpeg", Framerate: framerate}
//vcodec := &encoders.VP8ImageEncoder{FFMpegBinPath:"./ffmpeg", Framerate: framerate}
//vcodec := &encoders.DV9ImageEncoder{FFMpegBinPath:"./ffmpeg", Framerate: framerate}
//counter := 0
//vcodec.Init("./output" + strconv.Itoa(counter))
go vcodec.Run("./output.mp4")
//windows
///go vcodec.Run("/Users/amitbet/Dropbox/go/src/vnc2webm/example/file-reader/ffmpeg", "./output.mp4")
//go vcodec.Run("C:\\Users\\betzalel\\Dropbox\\go\\src\\vnc2video\\example\\client\\ffmpeg.exe", "output.mp4")
//vcodec.Run("./output")
//screenImage := vnc.NewVncCanvas(int(cc.Width()), int(cc.Height()))
for _, enc := range ccfg.Encodings {
myRenderer, ok := enc.(vnc.Renderer)
if ok {
myRenderer.SetTargetImage(screenImage)
}
}
// var out *os.File
logger.Tracef("connected to: %s", os.Args[1])
defer cc.Close()
cc.SetEncodings([]vnc.EncodingType{
vnc.EncCursorPseudo,
vnc.EncPointerPosPseudo,
vnc.EncCopyRect,
vnc.EncTight,
vnc.EncZRLE,
//vnc.EncHextile,
//vnc.EncZlib,
//vnc.EncRRE,
})
//rect := image.Rect(0, 0, int(cc.Width()), int(cc.Height()))
//screenImage := image.NewRGBA64(rect)
// Process messages coming in on the ServerMessage channel.
go func() {
for {
timeStart := time.Now()
vcodec.Encode(screenImage.Image)
timeTarget := timeStart.Add((1000 / time.Duration(framerate)) * time.Millisecond)
timeLeft := timeTarget.Sub(time.Now())
if timeLeft > 0 {
time.Sleep(timeLeft)
}
}
}()
sigc := make(chan os.Signal, 1)
signal.Notify(sigc,
syscall.SIGHUP,
syscall.SIGINT,
syscall.SIGTERM,
syscall.SIGQUIT)
frameBufferReq := 0
timeStart := time.Now()
if runWithProfiler {
profFile := "prof.file"
f, err := os.Create(profFile)
if err != nil {
log.Fatal(err)
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
for {
select {
case err := <-errorCh:
panic(err)
case msg := <-cchClient:
logger.Tracef("Received client message type:%v msg:%v\n", msg.Type(), msg)
case msg := <-cchServer:
//logger.Tracef("Received server message type:%v msg:%v\n", msg.Type(), msg)
// out, err := os.Create("./output" + strconv.Itoa(counter) + ".jpg")
// if err != nil {
// fmt.Println(err)
// os.Exit(1)
// }
if msg.Type() == vnc.FramebufferUpdateMsgType {
secsPassed := time.Now().Sub(timeStart).Seconds()
frameBufferReq++
reqPerSec := float64(frameBufferReq) / secsPassed
//counter++
//jpeg.Encode(out, screenImage, nil)
///vcodec.Encode(screenImage)
logger.Infof("reqs=%d, seconds=%f, Req Per second= %f", frameBufferReq, secsPassed, reqPerSec)
reqMsg := vnc.FramebufferUpdateRequest{Inc: 1, X: 0, Y: 0, Width: cc.Width(), Height: cc.Height()}
//cc.ResetAllEncodings()
reqMsg.Write(cc)
}
case signal := <-sigc:
if signal != nil {
vcodec.Close()
pprof.StopCPUProfile()
time.Sleep(2 * time.Second)
os.Exit(1)
}
}
}
//cc.Wait()
}
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