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内存泄漏问题

This commit is contained in:
lijun 2025-01-18 14:55:02 +08:00
parent 8fbc54c2af
commit 4c1a397775
1 changed files with 11 additions and 10 deletions
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21
service/tool.go
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@ -53,7 +53,7 @@ func SetDeviceCurrentFrame(frame gocv.Mat, device_id int) error {
return nil return nil
} }
func SetDeviceCurrentFrameV2(frame gocv.Mat, device_id int) error { func SetDeviceCurrentFrameV2(frame *gocv.Mat, device_id int) error {
//获取读写锁 //获取读写锁
mutex_, ok := DeviceRWMap.Load(device_id) mutex_, ok := DeviceRWMap.Load(device_id)
if !ok { if !ok {
@ -65,9 +65,9 @@ func SetDeviceCurrentFrameV2(frame gocv.Mat, device_id int) error {
//设置当前帧 //设置当前帧
switch device_id { switch device_id {
case 1: case 1:
Device1CurrentFrame = frame Device1CurrentFrame = *frame
case 50: case 50:
Device50CurrentFrame = frame Device50CurrentFrame = *frame
} }
frame_count, ok := DeviceFrameCount.Load(device_id) frame_count, ok := DeviceFrameCount.Load(device_id)
if !ok { if !ok {
@ -224,6 +224,7 @@ func getVideoFrame(device proto.DeviceInfo) {
fontColor := color.RGBA{G: 255} fontColor := color.RGBA{G: 255}
lineType := 2 lineType := 2
z := 0 z := 0
var frame gocv.Mat
for { for {
if device.LogFrame > 0 && z%device.LogFrame == 0 { if device.LogFrame > 0 && z%device.LogFrame == 0 {
log.Printf("设备:%d 当前帧: %d\n", device.ID, z) log.Printf("设备:%d 当前帧: %d\n", device.ID, z)
@ -231,7 +232,7 @@ func getVideoFrame(device proto.DeviceInfo) {
if device.NextStop { if device.NextStop {
break break
} }
frame := gocv.NewMat() frame = gocv.NewMat()
ok := webcam.Read(&frame) ok := webcam.Read(&frame)
if !ok { if !ok {
log.Printf("设备:%v 错误: 无法从视频流中读取帧\n", device) log.Printf("设备:%v 错误: 无法从视频流中读取帧\n", device)
@ -252,16 +253,16 @@ func getVideoFrame(device proto.DeviceInfo) {
currentTime := time.Now().Format("2006-01-02 15:04:05") currentTime := time.Now().Format("2006-01-02 15:04:05")
gocv.PutText(&frame, currentTime, image.Point{10, 20}, font, fontScale, fontColor, lineType) gocv.PutText(&frame, currentTime, image.Point{10, 20}, font, fontScale, fontColor, lineType)
//需要将帧付给全局变量 //需要将帧付给全局变量
err3 := SetDeviceCurrentFrameV2(frame, device.ID) err3 := SetDeviceCurrentFrameV2(&frame, device.ID)
if err3 != nil { if err3 != nil {
log.Printf("设备:%d 错误: 无法设置当前帧,err:%s \n", device.ID, err3.Error()) log.Printf("设备:%d 错误: 无法设置当前帧,err:%s \n", device.ID, err3.Error())
} }
z++ z++
//关闭帧 }
err4 := frame.Close() //关闭帧
if err4 != nil { err4 := frame.Close()
log.Printf("设备:%d 错误: 无法关闭帧,err:%s \n", device.ID, err4.Error()) if err4 != nil {
} log.Printf("设备:%d 错误: 无法关闭帧,err:%s \n", device.ID, err4.Error())
} }
} }