install go2rtc on bob

installs_on_host/go2rtc/pkg/wyoming/producer.go

@@ -0,0 +1,65 @@
+package wyoming
+
+import (
+	"net"
+
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/pion/rtp"
+)
+
+type Producer struct {
+	core.Connection
+	api *API
+}
+
+func newProducer(conn net.Conn) *Producer {
+	return &Producer{
+		core.Connection{
+			ID:         core.NewID(),
+			FormatName: "wyoming",
+			Medias: []*core.Media{
+				{
+					Kind:      core.KindAudio,
+					Direction: core.DirectionRecvonly,
+					Codecs: []*core.Codec{
+						{Name: core.CodecPCML, ClockRate: 16000},
+					},
+				},
+			},
+			Transport: conn,
+		},
+		NewAPI(conn),
+	}
+}
+
+func (p *Producer) Start() error {
+	var seq uint16
+	var ts uint32
+
+	for {
+		evt, err := p.api.ReadEvent()
+		if err != nil {
+			return err
+		}
+
+		if evt.Type != "audio-chunk" {
+			continue
+		}
+
+		p.Recv += len(evt.Payload)
+
+		pkt := &core.Packet{
+			Header: rtp.Header{
+				Version:        2,
+				Marker:         true,
+				SequenceNumber: seq,
+				Timestamp:      ts,
+			},
+			Payload: evt.Payload,
+		}
+		p.Receivers[0].WriteRTP(pkt)
+
+		seq++
+		ts += uint32(len(evt.Payload) / 2)
+	}
+}