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Only read queue when required #156

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Only read queue when required #156

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16 changes: 11 additions & 5 deletions machinery/src/cloud/Cloud.go
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ import (
"encoding/base64"
"encoding/json"
"fmt"
"image"
"io"
"os"
"strings"
Expand Down Expand Up @@ -689,25 +690,28 @@ func HandleLiveStreamSD(livestreamCursor *packets.QueueCursor, configuration *mo
var pkt packets.Packet

for cursorError == nil {
pkt, cursorError = livestreamCursor.ReadPacket()
if len(pkt.Data) == 0 || !pkt.IsKeyFrame {
continue
}

now := time.Now().Unix()
select {
case <-communication.HandleLiveSD:
lastLivestreamRequest = now
default:
}

if now-lastLivestreamRequest > 3 {
continue
}

pkt, cursorError = livestreamCursor.ReadPacket()
if len(pkt.Data) == 0 || !pkt.IsKeyFrame {
continue
}

log.Log.Info("cloud.HandleLiveStreamSD(): Sending base64 encoded images to MQTT.")
img, err := rtspClient.DecodePacket(pkt)
if err == nil {
bytes, _ := utils.ImageToBytes(&img)
encoded := base64.StdEncoding.EncodeToString(bytes)

valueMap := make(map[string]interface{})
valueMap["image"] = encoded
message := models.Message{
Expand All @@ -724,6 +728,8 @@ func HandleLiveStreamSD(livestreamCursor *packets.QueueCursor, configuration *mo
log.Log.Info("cloud.HandleLiveStreamSD(): something went wrong while sending acknowledge config to hub: " + string(payload))
}
}
// Cleaning image
img = image.YCbCr{}
}

} else {
Expand Down
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