install go2rtc on bob

installs_on_host/go2rtc/pkg/ring/snapshot.go

@@ -0,0 +1,61 @@
+package ring
+
+import (
+	"fmt"
+
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/pion/rtp"
+)
+
+type SnapshotProducer struct {
+	core.Connection
+
+	client   *RingApi
+	cameraID int
+}
+
+func NewSnapshotProducer(client *RingApi, cameraID int) *SnapshotProducer {
+	return &SnapshotProducer{
+		Connection: core.Connection{
+			ID:         core.NewID(),
+			FormatName: "ring/snapshot",
+			Protocol:   "https",
+			RemoteAddr: "app-snaps.ring.com",
+			Medias: []*core.Media{
+				{
+					Kind:      core.KindVideo,
+					Direction: core.DirectionRecvonly,
+					Codecs: []*core.Codec{
+						{
+							Name:        core.CodecJPEG,
+							ClockRate:   90000,
+							PayloadType: core.PayloadTypeRAW,
+						},
+					},
+				},
+			},
+		},
+		client:   client,
+		cameraID: cameraID,
+	}
+}
+
+func (p *SnapshotProducer) Start() error {
+	response, err := p.client.Request("GET", fmt.Sprintf("https://app-snaps.ring.com/snapshots/next/%d", p.cameraID), nil)
+	if err != nil {
+		return err
+	}
+
+	pkt := &rtp.Packet{
+		Header:  rtp.Header{Timestamp: core.Now90000()},
+		Payload: response,
+	}
+
+	p.Receivers[0].WriteRTP(pkt)
+
+	return nil
+}
+
+func (p *SnapshotProducer) Stop() error {
+	return p.Connection.Stop()
+}