Add basic support MPEG TS source

pkg/mpegts/client.go

@@ -0,0 +1,73 @@
+package mpegts
+
+import (
+	"github.com/AlexxIT/go2rtc/pkg/streamer"
+	"net/http"
+)
+
+type Client struct {
+	streamer.Element
+
+	medias []*streamer.Media
+	tracks map[byte]*streamer.Track
+
+	res *http.Response
+}
+
+func NewClient(res *http.Response) *Client {
+	return &Client{res: res}
+}
+
+func (c *Client) Handle() error {
+	if c.tracks == nil {
+		c.tracks = map[byte]*streamer.Track{}
+	}
+
+	reader := NewReader()
+
+	b := make([]byte, 1024*1024*256) // 256K
+
+	probe := streamer.NewProbe(c.medias == nil)
+	for probe == nil || probe.Active() {
+		n, err := c.res.Body.Read(b)
+		if err != nil {
+			return err
+		}
+
+		reader.AppendBuffer(b[:n])
+
+		for {
+			packet := reader.GetPacket()
+			if packet == nil {
+				break
+			}
+
+			track := c.tracks[packet.PayloadType]
+			if track == nil {
+				// count track on probe state even if not support it
+				probe.Append(packet.PayloadType)
+
+				media := GetMedia(packet)
+				if media == nil {
+					continue // unsupported codec
+				}
+
+				track = streamer.NewTrack2(media, nil)
+
+				c.medias = append(c.medias, media)
+				c.tracks[packet.PayloadType] = track
+			}
+
+			_ = track.WriteRTP(packet)
+
+			//log.Printf("[AVC] %v, len: %d, pts: %d ts: %10d", h264.Types(packet.Payload), len(packet.Payload), pkt.PTS, packet.Timestamp)
+		}
+	}
+
+	return nil
+}
+
+func (c *Client) Close() error {
+	_ = c.res.Body.Close()
+	return nil
+}