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Made-with: Cursor

server/pkg/weblive/config.go

@@ -0,0 +1,33 @@
+package weblive
+
+import (
+	"encoding/json"
+	"os"
+	"strings"
+
+	"github.com/pion/webrtc/v3"
+)
+
+// MediaEngine 与 API 构建（全局复用，避免重复注册编解码器）
+func buildAPI() (*webrtc.API, error) {
+	m := &webrtc.MediaEngine{}
+	if err := m.RegisterDefaultCodecs(); err != nil {
+		return nil, err
+	}
+	api := webrtc.NewAPI(webrtc.WithMediaEngine(m))
+	return api, nil
+}
+
+func iceServersFromEnv() []webrtc.ICEServer {
+	raw := strings.TrimSpace(os.Getenv("LIVE_ICE_SERVERS"))
+	if raw == "" {
+		return []webrtc.ICEServer{
+			{URLs: []string{"stun:stun.l.google.com:19302"}},
+		}
+	}
+	var servers []webrtc.ICEServer
+	if err := json.Unmarshal([]byte(raw), &servers); err != nil {
+		return []webrtc.ICEServer{{URLs: []string{"stun:stun.l.google.com:19302"}}}
+	}
+	return servers
+}