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3 changed files with 154 additions and 93 deletions

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@ -34,7 +34,7 @@ func SetUpToolGroup(router *gin.Engine) {
} }
// 跨域访问cross origin resource share // 跨域访问cross origin resource share
func CrosHandler() gin.HandlerFunc { func CorsHandler() gin.HandlerFunc {
return func(context *gin.Context) { return func(context *gin.Context) {
//method := context.Request.Method //method := context.Request.Method
context.Writer.Header().Set("Access-Control-Allow-Origin", "*") context.Writer.Header().Set("Access-Control-Allow-Origin", "*")
@ -65,48 +65,78 @@ type videoStreamReq struct {
} }
func GetVideoStream(c *gin.Context) { func GetVideoStream(c *gin.Context) {
var req videoStreamReq
id, _ := c.Get("id") id, _ := c.Get("id")
id1 := id.(int) id1 := id.(int)
deviceIDSTR := c.Query("id")
deviceID, err := strconv.Atoi(deviceIDSTR)
if err != nil {
c.JSON(400, gin.H{"error": "device_id error"})
return
}
key := c.Query("key")
//校验权限 //校验权限
device := service.GetDevice(req.ID, id1) device := service.GetDevice(deviceID, id1)
if device.ID == 0 { if device.ID == 0 {
c.JSON(400, gin.H{"error": "device not exist"}) c.JSON(400, gin.H{"error": "device not exist"})
return return
} }
rKey := worker.GetRedis("video_stream_get_stream_key")
if rKey == "" {
rKey = "123456"
}
if err := c.ShouldBind(&req); err != nil {
c.JSON(400, gin.H{"error": err.Error()})
return
} else {
//查看id是否存在 //查看id是否存在
index := -1 index := -1
for _, device := range proto.Config.DeviceInfo { for _, device_ := range proto.Config.DeviceInfo {
if device.ID == req.ID { if device_.ID == deviceID {
index = req.ID index = deviceID
break break
} }
} }
if index == -1 { if index == -1 {
c.JSON(400, gin.H{"error": "id not exist"}) c.JSON(400, gin.H{"error": "id config not exist"})
return return
} }
//查看key是否正确 //查看key是否正确
if req.Key != "123456" { if key != rKey {
c.JSON(400, gin.H{"error": "key error"}) c.JSON(400, gin.H{"error": "key error"})
return return
} }
//设备流 //设备流
c.Stream(func(w io.Writer) bool { c.Stream(func(w io.Writer) bool {
var count int var count int
frame := gocv.NewMat()
defer func() {
//关闭帧
err4 := frame.Close()
if err4 != nil {
log.Printf("device:%d frame close err:%v", deviceID, err4)
}
}()
errCount := 0
for { for {
frame, cnt := service.GetDeviceCurrentFrame(req.ID) if errCount > 10 {
log.Printf("stream device:%d errCount > 10", deviceID)
return false
}
cnt := service.GetDeviceCurrentFrameV2(&frame, deviceID)
if cnt == count { if cnt == count {
time.Sleep(50 * time.Millisecond) time.Sleep(50 * time.Millisecond)
errCount++
continue
}
if frame.Empty() {
log.Printf("stream device:%d frame is empty", deviceID)
time.Sleep(100 * time.Millisecond)
errCount++
continue continue
} }
//gocv.Matrix转为jpeg //gocv.Matrix转为jpeg
img, err := gocv.IMEncode(".jpg", frame) img, err2 := gocv.IMEncode(".jpg", frame)
if err2 != nil {
log.Printf("stream img encode err:%v", err2)
return false
}
frame_ := img.GetBytes() frame_ := img.GetBytes()
_, err = w.Write([]byte("--frame\r\nContent-Type: image/jpeg\r\n\r\n")) _, err = w.Write([]byte("--frame\r\nContent-Type: image/jpeg\r\n\r\n"))
@ -127,8 +157,6 @@ func GetVideoStream(c *gin.Context) {
time.Sleep(50 * time.Millisecond) // 控制帧率模拟每秒约20帧可按实际调整 time.Sleep(50 * time.Millisecond) // 控制帧率模拟每秒约20帧可按实际调整
} }
}) })
}
} }
// 发送实时视频流 // 发送实时视频流
@ -143,13 +171,13 @@ func GetRealTimeImage(c *gin.Context) {
return return
} }
//查看设备是否在获取 //查看设备是否在获取
is_get, ok := service.DeviceIsGettingFrame.Load(device.ID) isGetting := worker.GetRedis(fmt.Sprintf("device_%d_is_getting", device.ID))
if !ok || is_get == false { if isGetting != "true" {
//直接返回 c.JSON(http.StatusOK, gin.H{"code": 4, "message": "device is not getting or not exist"})
c.JSON(http.StatusOK, gin.H{"code": 4, "message": "device not getting frame or not exist"}) log.Printf("device_id:%d is not getting or not exist", deviceIdInt)
log.Printf("device:%d not found", device.ID)
return return
} }
ws, err := upgrader.Upgrade(c.Writer, c.Request, nil) ws, err := upgrader.Upgrade(c.Writer, c.Request, nil)
if err != nil { if err != nil {
log.Printf("connect wss err:%v", err) log.Printf("connect wss err:%v", err)
@ -170,9 +198,10 @@ func subscribeAndHandleMessagesV3(ws *websocket.Conn, device_id int) {
count := 0 count := 0
//定时器,发送计数器 //定时器,发送计数器
t_count := 0 t_count := 0
img := gocv.NewMat()
for { for {
//从service获取当前帧 //从service获取当前帧
img, c := service.GetDeviceCurrentFrameV3(device_id) c := service.GetDeviceCurrentFrameV2(&img, device_id)
if c != count { if c != count {
//将img转[]byte //将img转[]byte
if img.Empty() { if img.Empty() {
@ -194,10 +223,6 @@ func subscribeAndHandleMessagesV3(ws *websocket.Conn, device_id int) {
break break
} }
c = count c = count
err4 := img.Close()
if err4 != nil {
log.Printf("close img err:%v", err)
}
} }
} else { } else {
//每秒发送一次心跳检测 //每秒发送一次心跳检测
@ -215,6 +240,11 @@ func subscribeAndHandleMessagesV3(ws *websocket.Conn, device_id int) {
time.Sleep(100 * time.Millisecond) time.Sleep(100 * time.Millisecond)
t_count++ t_count++
} }
// 关闭img
err := img.Close()
if err != nil {
log.Printf("device:%d img close err:%v", device_id, err)
}
// 查看是否还有其他连接,没有则设置 is_play 为 0 // 查看是否还有其他连接,没有则设置 is_play 为 0
if worker.IsContainKey(online_conn_key) == false { if worker.IsContainKey(online_conn_key) == false {

35
main.go
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@ -19,10 +19,11 @@ import (
) )
var configPath string var configPath string
var logCount int
func main() { func main() {
fmt.Println("start server") fmt.Println("start server")
gin.SetMode(gin.DebugMode) //设置为debug模式 gin.SetMode(gin.ReleaseMode) //设置为debug模式
r := gin.Default() r := gin.Default()
//数据库初始 //数据库初始
err0 := dao.Init() err0 := dao.Init()
@ -35,7 +36,7 @@ func main() {
if err0 != nil { if err0 != nil {
panic("failed to connect redis:" + err0.Error()) panic("failed to connect redis:" + err0.Error())
} }
r.Use(handler.CrosHandler()) r.Use(handler.CorsHandler())
r.Use(JWTAuthMiddleware()) // 使用 JWT 认证中间件 r.Use(JWTAuthMiddleware()) // 使用 JWT 认证中间件
handler.SetUpToolGroup(r) // Tool handler.SetUpToolGroup(r) // Tool
err := worker.InitRedis() err := worker.InitRedis()
@ -51,6 +52,7 @@ func main() {
} }
c.Start() c.Start()
fmt.Println("定时任务已启动") fmt.Println("定时任务已启动")
initDeviceGettingStatus()
err3 := r.Run(":" + proto.Config.SERVER_PORT) err3 := r.Run(":" + proto.Config.SERVER_PORT)
if err3 != nil { if err3 != nil {
panic("failed to run server:" + err3.Error()) panic("failed to run server:" + err3.Error())
@ -66,6 +68,7 @@ func init() {
} else { } else {
configPath = "/home/videoplayer/vp_stream.conf" configPath = "/home/videoplayer/vp_stream.conf"
} }
logCount = 0
//读取配置文件 //读取配置文件
err := proto.ReadConfig(configPath) err := proto.ReadConfig(configPath)
if err != nil { if err != nil {
@ -87,7 +90,20 @@ func myTask() {
ReadConfigAndSetSystem() ReadConfigAndSetSystem()
} }
func initDeviceGettingStatus() {
for _, device := range proto.Config.DeviceInfo {
if device.NextStop == false {
worker.SetRedis(fmt.Sprintf("device_%d_is_getting", device.ID), "false")
}
if device.NextStop == true {
worker.DelRedis(fmt.Sprintf("device_%d_is_getting", device.ID))
}
}
}
func ReadConfigAndSetSystem() { func ReadConfigAndSetSystem() {
logCount++
//configPath := "/home/videoplayer/vp_stream.conf" //configPath := "/home/videoplayer/vp_stream.conf"
//读取配置文件 //读取配置文件
err := proto.ReadConfig(configPath) err := proto.ReadConfig(configPath)
@ -96,26 +112,33 @@ func ReadConfigAndSetSystem() {
} }
//检测是否需要获取设备流,如果需要则开启 //检测是否需要获取设备流,如果需要则开启
for _, device := range proto.Config.DeviceInfo { for _, device := range proto.Config.DeviceInfo {
is_get, ok := service.DeviceIsGettingFrame.Load(device.ID) //isGet, ok := service.DeviceIsGettingFrame.Load(device.ID)
if !ok { //isGet_ := isGet.(bool)
isGetting := worker.GetRedis(fmt.Sprintf("device_%d_is_getting", device.ID))
if isGetting == "" {
//说明没有这个设备,需初始化添加 //说明没有这个设备,需初始化添加
service.DeviceRWMap.Store(device.ID, &sync.RWMutex{}) service.DeviceRWMap.Store(device.ID, &sync.RWMutex{})
service.DeviceCurrentFrameMap.Store(device.ID, gocv.NewMat()) service.DeviceCurrentFrameMap.Store(device.ID, gocv.NewMat())
service.DeviceFrameCount[device.ID] = 0 service.DeviceFrameCount[device.ID] = 0
service.DeviceIsGettingFrame.Store(device.ID, false) service.DeviceIsGettingFrame.Store(device.ID, false)
worker.SetRedis(fmt.Sprintf("device_%d_is_getting", device.ID), "false")
} }
if is_get == false && device.NextStop == false { //如果设备流已经停止且不暂停,则开启 if isGetting == "false" && device.NextStop == false { //如果设备流已经停止且不暂停,则开启
switch device.ID { switch device.ID {
case 1: case 1:
service.Device1CurrentFrame = gocv.NewMat() service.Device1CurrentFrame = gocv.NewMat()
case 50: case 50:
service.Device50CurrentFrame = gocv.NewMat() service.Device50CurrentFrame = gocv.NewMat()
case 73:
service.Device73CurrentFrame = gocv.NewMat()
} }
go service.GetVideoStream(device.ID) go service.GetVideoStream(device.ID)
log.Printf("device:%d has started!\n", device.ID) log.Printf("device:%d has started!\n", device.ID)
} }
} }
log.Println("每10秒执行一次,当前设备:", proto.Config.DeviceInfo) if logCount%3600 == 0 {
log.Printf("每%d秒执行一次,当前设备:%v", logCount*10, proto.Config.DeviceInfo)
}
} }
func JWTAuthMiddleware() gin.HandlerFunc { func JWTAuthMiddleware() gin.HandlerFunc {

View File

@ -109,17 +109,25 @@ func GetDeviceCurrentFrameV2(frame *gocv.Mat, deviceId int) int {
} }
mutex.RLock() mutex.RLock()
defer mutex.RUnlock() defer mutex.RUnlock()
var frame_ gocv.Mat
//获取当前帧 //获取当前帧
frameIface, ok := DeviceCurrentFrameMap.Load(deviceId) switch deviceId {
if !ok { case 1:
return -1 if (*frame).Empty() {
*frame = gocv.NewMatWithSize(Device1CurrentFrame.Rows(), Device1CurrentFrame.Cols(), Device1CurrentFrame.Type())
} }
frame_, ok = frameIface.(gocv.Mat) Device1CurrentFrame.CopyTo(frame)
if !ok { case 50:
log.Printf("DeviceCurrentFrameMap 存储的不是 gocv.Mat 类型device_id: %d \n", deviceId) if (*frame).Empty() {
*frame = gocv.NewMatWithSize(Device50CurrentFrame.Rows(), Device50CurrentFrame.Cols(), Device50CurrentFrame.Type())
}
Device50CurrentFrame.CopyTo(frame)
case 73:
if (*frame).Empty() {
*frame = gocv.NewMatWithSize(Device73CurrentFrame.Rows(), Device73CurrentFrame.Cols(), Device73CurrentFrame.Type())
}
Device73CurrentFrame.CopyTo(frame)
} }
*frame = frame_
frameCount, ok := DeviceFrameCount[deviceId] frameCount, ok := DeviceFrameCount[deviceId]
if !ok { if !ok {
return -1 return -1
@ -161,7 +169,9 @@ func GetDeviceCurrentFrameV3(deviceId int) (gocv.Mat, int) {
Device50CurrentFrame.CopyTo(&frame) Device50CurrentFrame.CopyTo(&frame)
//查看帧状态 //查看帧状态
//log.Printf("frame:%v,Device50CurrentFrame:%v\n", frame.Empty(), Device50CurrentFrame.Empty()) //log.Printf("frame:%v,Device50CurrentFrame:%v\n", frame.Empty(), Device50CurrentFrame.Empty())
case 73:
frame = gocv.NewMatWithSize(Device73CurrentFrame.Rows(), Device73CurrentFrame.Cols(), Device73CurrentFrame.Type())
Device73CurrentFrame.CopyTo(&frame)
} }
frameCount, ok := DeviceFrameCount[deviceId] frameCount, ok := DeviceFrameCount[deviceId]
@ -301,13 +311,9 @@ func GetVideoStream(id int) {
log.Printf("设备:%d 错误: %v\n", id, err) log.Printf("设备:%d 错误: %v\n", id, err)
} }
}() }()
is_get, ok := DeviceIsGettingFrame.Load(id) isGetting := worker.GetRedis(fmt.Sprintf("device_%d_is_getting", id))
if !ok { if isGetting == "true" || isGetting == "" {
log.Printf("device: %d not found", id) log.Printf("设备:%d 正在运行,isGetting:%s", id, isGetting)
return
}
if is_get == true {
log.Printf("device: %d is running!", id)
return return
} }
for { for {
@ -326,9 +332,9 @@ func GetVideoStream(id int) {
log.Printf("device: %d not found", id) log.Printf("device: %d not found", id)
break break
} }
is_get, ok = DeviceIsGettingFrame.Load(id) isGetting = worker.GetRedis(fmt.Sprintf("device_%d_is_getting", id))
if is_get == true { if isGetting == "true" {
log.Printf("for device:%d is running!", id) log.Printf("设备:%d 正在运行,isGetting:%s", id, isGetting)
break break
} }
@ -339,9 +345,11 @@ func GetVideoStream(id int) {
//设置设备控制信息 //设置设备控制信息
status := Get(device.Control) status := Get(device.Control)
DeviceIsGettingFrame.Store(id, true) DeviceIsGettingFrame.Store(id, true)
worker.SetRedis(fmt.Sprintf("device_%d_is_getting", id), "true")
log.Printf("device: %d set control info status: %d", device.ID, status) log.Printf("device: %d set control info status: %d", device.ID, status)
getVideoFrame(device) getVideoFrame(device)
DeviceIsGettingFrame.Store(id, false) DeviceIsGettingFrame.Store(id, false)
worker.SetRedis(fmt.Sprintf("device_%d_is_getting", id), "false")
//等待1s //等待1s
time.Sleep(1 * time.Second) time.Sleep(1 * time.Second)
} }