From 19445d14e73f4bb96e218a65e126ae526f89537d Mon Sep 17 00:00:00 2001
From: zhangmeng <775834166@qq.com>
Date: 星期三, 08 五月 2019 14:14:59 +0800
Subject: [PATCH] context使用
---
decoder/main.go | 80 +++++++++++++++++++++++++++-------------
1 files changed, 54 insertions(+), 26 deletions(-)
diff --git a/decoder/main.go b/decoder/main.go
index a9d8816..eb39bae 100644
--- a/decoder/main.go
+++ b/decoder/main.go
@@ -2,6 +2,7 @@
import (
"context"
+ "decoder/valib/goffmpeg"
"decoder/valib/ipc"
srv "decoder/work/service"
"encoding/json"
@@ -19,6 +20,8 @@
proc string
testIt bool
+
+ asServer bool
)
func init() {
@@ -28,6 +31,8 @@
flag.StringVar(&ipcURL, "ipc", "ipc:///tmp/pic.ipc", "ipc label")
flag.BoolVar(&testIt, "test", false, "use test")
+
+ flag.BoolVar(&asServer, "server", false, "run ipc as server")
}
// CameraInfo camera info
@@ -43,28 +48,33 @@
}
var (
- mapCI = make(map[string]CameraInfo)
- port = 7001
+ mapCameraInfo = make(map[string]CameraInfo)
)
-func recvFromIPC(ctx context.Context, url string, ch chan<- CameraInfo) {
+func recvCameraInfoFromIPC(ctx context.Context, url string, ch chan<- CameraInfo) {
ipc := ipc.NewClient(ctx, url)
for {
msg := ipc.Recv()
if msg != nil {
- fmt.Println(string(msg))
+
var c CameraInfo
if err := json.Unmarshal(msg, &c); err == nil {
+
+ if _, ok := mapCameraInfo[c.ID]; ok {
+ continue
+ }
+
ch <- c
- fmt.Printf("recv camere info %+v\n", c)
+
+ msgIpc := MsgIPC{"new decoder", 0}
+ if b, err := json.Marshal(msgIpc); err == nil {
+ ipc.Send(b)
+ }
} else {
fmt.Println(err)
}
- msgIpc := MsgIPC{"new decoder", port}
- if b, err := json.Marshal(msgIpc); err == nil {
- ipc.Send(b)
- }
+
}
}
}
@@ -72,46 +82,64 @@
func main() {
flag.Parse()
- if testIt {
- test()
- }
+ goffmpeg.InitFFmpeg()
ctx, cancel := context.WithCancel(context.Background())
- ch := make(chan CameraInfo)
- go recvFromIPC(ctx, "tcp://192.168.1.124:7000", ch)
+ if testIt {
+ test(ctx)
+ }
- // demo.SendByIPC("rtsp://admin:a1234567@192.168.1.188:554/h264/ch1/main/av_stream", "cid0",
- // "tcp://192.168.1.140:7000", false)
+ ch := make(chan CameraInfo)
+
+ tcp := ``
+ port := 7001
+
+ if strings.Index(ipcURL, "tcp://") == 0 {
+ i := strings.LastIndex(ipcURL, ":")
+ tcp = ipcURL[0 : i+1]
+
+ strPort := ipcURL[i+1:]
+ port, _ = strconv.Atoi(strPort)
+ port++
+ }
+
+ go recvCameraInfoFromIPC(ctx, ipcURL, ch)
+
for {
select {
case <-ctx.Done():
return
case c := <-ch:
- if _, ok := mapCI[c.ID]; !ok {
- mapCI[c.ID] = c
- ipc := "tcp://192.168.1.124:" + strconv.Itoa(port)
+ if _, ok := mapCameraInfo[c.ID]; !ok {
+ mapCameraInfo[c.ID] = c
+ ipcAddr := tcp + strconv.Itoa(port)
port++
- fmt.Printf("create ipc %s for decode : %s, on camera id %s\n", ipc, c.URL, c.ID)
url := strings.TrimSpace(c.URL)
id := strings.TrimSpace(c.ID)
- i := strings.TrimSpace(ipc)
- go runSender(id, url, i)
+ addr := strings.TrimSpace(ipcAddr)
+ go runSender(ctx, id, url, addr)
}
}
}
+
+ goffmpeg.FreeFFmpeg()
cancel()
}
-func runSender(cameraID, rtspURL, ipcLabel string) {
- d := srv.NewSender(cameraID, rtspURL, ipcLabel)
+func runSender(ctx context.Context, cameraID, rtspURL, ipcLabel string) {
+ d := srv.NewSender(ctx, cameraID, rtspURL, ipcLabel)
+ if asServer {
+ d.RunAsServer()
+ }
d.RunAsClient()
}
-func test() {
+
+func test(ctx context.Context) {
fmt.Println("start test")
fmt.Println(picFolder)
- runSender("cameraid", streamURL, ipcURL)
+ runSender(ctx, "cameraid", streamURL, ipcURL)
}
--
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