Add support mic mode for wyoming module

pkg/wyoming/mic.go

@@ -0,0 +1,35 @@
+package wyoming
+
+import (
+	"fmt"
+	"net"
+
+	"github.com/AlexxIT/go2rtc/pkg/core"
+)
+
+func (s *Server) HandleMic(conn net.Conn) error {
+	defer conn.Close()
+
+	var closed core.Waiter
+	var timestamp int
+
+	api := NewAPI(conn)
+	mic := newMicConsumer(func(chunk []byte) {
+		data := fmt.Sprintf(`{"rate":16000,"width":2,"channels":1,"timestamp":%d}`, timestamp)
+		evt := &Event{Type: "audio-chunk", Data: []byte(data), Payload: chunk}
+		if err := api.WriteEvent(evt); err != nil {
+			closed.Done(nil)
+		}
+
+		timestamp += len(chunk) / 2
+	})
+	mic.RemoteAddr = api.conn.RemoteAddr().String()
+
+	if err := s.MicHandler(mic); err != nil {
+		return err
+	}
+
+	defer mic.Stop()
+
+	return closed.Wait()
+}

pkg/wyoming/satellite.go

@@ -142,9 +142,6 @@ func (s *satellite) pause() {
 
 	s.state = stateUnavailable
 	if s.mic != nil {
-		if s.mic.onClose != nil {
-			s.mic.onClose()
-		}
 		_ = s.mic.Stop()
 		s.mic = nil
 	}
@@ -296,6 +293,13 @@ func (c *micConsumer) AddTrack(media *core.Media, codec *core.Codec, track *core
 	return nil
 }
 
+func (c *micConsumer) Stop() error {
+	if c.onClose != nil {
+		c.onClose()
+	}
+	return c.Connection.Stop()
+}
+
 type sndProducer struct {
 	core.Connection
 	data    []byte