add audio support, trying to manage MSD device

http/hw/stream/video.go

@@ -7,9 +7,11 @@ import (
 	"net/http"
 	"rkkvm/config"
 	"rkkvm/http/hw/rtc"
+	"rkkvm/http/reqrsp"
 	"strconv"
 
 	"github.com/gin-gonic/gin"
+	"github.com/pion/webrtc/v4"
 	log "github.com/sirupsen/logrus"
 )
 
@@ -136,23 +138,29 @@ func MjpegHandler(c *gin.Context) {
 	}
 }
 
-func WebRTCHandshake(c *gin.Context) {
-	str, err := c.GetRawData()
-	if err != nil {
-		c.String(http.StatusBadRequest, err.Error())
+func WebRTCPeerConnect(c *gin.Context) {
+	var offer webrtc.SessionDescription
+	if err := c.ShouldBindJSON(&offer); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid offer"})
 		return
 	}
 
-	log.Debugf("Client session description: %s", string(str))
-
-	r := rtc.Get()
-	localSession, err := r.Handshake(string(str))
+	peer, err := rtc.NewPeer()
 	if err != nil {
-		c.String(http.StatusBadRequest, err.Error())
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to create peer connection"})
 		return
 	}
 
-	c.String(http.StatusOK, localSession)
+	answer, err := rtc.Get().AddPeer(peer, offer)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to add peer"})
+		return
+	}
+
+	c.JSON(http.StatusOK, reqrsp.NanoKVMRsp{
+		Msg:  reqrsp.MsgSuccess,
+		Data: answer,
+	})
 }
 
 func WebRTCSettings(c *gin.Context) {