install go2rtc on bob

installs_on_host/go2rtc/pkg/image/producer.go

@@ -0,0 +1,92 @@
+package image
+
+import (
+	"errors"
+	"io"
+	"net/http"
+
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/tcp"
+	"github.com/pion/rtp"
+)
+
+type Producer struct {
+	core.Connection
+
+	closed bool
+	res    *http.Response
+}
+
+func Open(res *http.Response) (*Producer, error) {
+	return &Producer{
+		Connection: core.Connection{
+			ID:         core.NewID(),
+			FormatName: "image",
+			Protocol:   "http",
+			RemoteAddr: res.Request.URL.Host,
+			Transport:  res.Body,
+			Medias: []*core.Media{
+				{
+					Kind:      core.KindVideo,
+					Direction: core.DirectionRecvonly,
+					Codecs: []*core.Codec{
+						{
+							Name:        core.CodecJPEG,
+							ClockRate:   90000,
+							PayloadType: core.PayloadTypeRAW,
+						},
+					},
+				},
+			},
+		},
+		res: res,
+	}, nil
+}
+
+func (c *Producer) Start() error {
+	body, err := io.ReadAll(c.res.Body)
+	if err != nil {
+		return err
+	}
+
+	pkt := &rtp.Packet{
+		Header:  rtp.Header{Timestamp: core.Now90000()},
+		Payload: body,
+	}
+	c.Receivers[0].WriteRTP(pkt)
+
+	c.Recv += len(body)
+
+	req := c.res.Request
+
+	for !c.closed {
+		res, err := tcp.Do(req)
+		if err != nil {
+			return err
+		}
+
+		if res.StatusCode != http.StatusOK {
+			return errors.New("wrong status: " + res.Status)
+		}
+
+		body, err = io.ReadAll(res.Body)
+		if err != nil {
+			return err
+		}
+
+		c.Recv += len(body)
+
+		pkt = &rtp.Packet{
+			Header:  rtp.Header{Timestamp: core.Now90000()},
+			Payload: body,
+		}
+		c.Receivers[0].WriteRTP(pkt)
+	}
+
+	return nil
+}
+
+func (c *Producer) Stop() error {
+	c.closed = true
+	return c.Connection.Stop()
+}