install go2rtc on bob

installs_on_host/go2rtc/pkg/isapi/backchannel.go

@@ -0,0 +1,69 @@
+package isapi
+
+import (
+	"encoding/json"
+
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/pion/rtp"
+)
+
+func (c *Client) GetMedias() []*core.Media {
+	return c.medias
+}
+
+func (c *Client) GetTrack(media *core.Media, codec *core.Codec) (*core.Receiver, error) {
+	return nil, core.ErrCantGetTrack
+}
+
+func (c *Client) AddTrack(media *core.Media, _ *core.Codec, track *core.Receiver) error {
+	if c.sender == nil {
+		c.sender = core.NewSender(media, track.Codec)
+		c.sender.Handler = func(packet *rtp.Packet) {
+			if c.conn == nil {
+				return
+			}
+			c.send += len(packet.Payload)
+			_, _ = c.conn.Write(packet.Payload)
+		}
+	}
+
+	c.sender.HandleRTP(track)
+	return nil
+}
+
+func (c *Client) Start() (err error) {
+	if err = c.Open(); err != nil {
+		return
+	}
+	return
+}
+
+func (c *Client) Stop() (err error) {
+	if c.sender != nil {
+		c.sender.Close()
+	}
+
+	if c.conn != nil {
+		_ = c.Close()
+		return c.conn.Close()
+	}
+
+	return nil
+}
+
+func (c *Client) MarshalJSON() ([]byte, error) {
+	info := &core.Connection{
+		ID:         core.ID(c),
+		FormatName: "isapi",
+		Protocol:   "http",
+		Medias:     c.medias,
+		Send:       c.send,
+	}
+	if c.conn != nil {
+		info.RemoteAddr = c.conn.RemoteAddr().String()
+	}
+	if c.sender != nil {
+		info.Senders = []*core.Sender{c.sender}
+	}
+	return json.Marshal(info)
+}