second forcepush this away if i fail
This commit is contained in:
parent
d1f1aae0d3
commit
9e5cd110e0
3 changed files with 201 additions and 316 deletions
11
actioncam.go
11
actioncam.go
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@ -55,7 +55,7 @@ func main() {
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Args: cobra.MaximumNArgs(1),
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Run: func(cmd *cobra.Command, args []string) {
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defer camera.Disconnect()
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relay := libipcamera.CreateRTPRelay(applicationContext, net.ParseIP("127.0.0.1"), 5220)
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relay := libipcamera.CreateRTPRelay(applicationContext)
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defer relay.Stop()
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camera.StartPreviewStream()
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@ -271,10 +271,15 @@ func main() {
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if(host == "") {
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host = "127.0.0.1"
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}
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rtspServer, err := rtsp.CreateServer(applicationContext, host, port, camera)
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relay := libipcamera.CreateRTPRelay(applicationContext)
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rtspServer, err := rtsp.CreateServer(applicationContext, host, port, relay)
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defer rtspServer.Close()
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if err := camera.StartPreviewStream(); err != nil {
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log.Printf("ERROR preview: %v", err)
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return
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}
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log.Printf("Created RTSP Server\n")
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if err != nil {
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@ -11,36 +11,36 @@ import (
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"time"
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)
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// RTPRelay holds information on the relaying stream listener
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type RTPRelay struct {
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close bool
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targetIP net.IP
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targetPort int
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listener net.PacketConn
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context context.Context
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// Frame is a decoded RTP packet buffer forwarded to the RTSP server
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type Frame struct {
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Payload []byte
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}
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var close bool
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// RTPRelay holds information on the relaying stream listener
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type RTPRelay struct {
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close bool
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listener net.PacketConn
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context context.Context
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Output chan Frame // 🚨 NEW: channel to push decoded RTP frames
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}
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var closeFlag bool
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// CreateRTPRelay creates a UDP listener that handles live data
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// from the camera and forwards it as an RTP stream
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func CreateRTPRelay(ctx context.Context, targetAddress net.IP, targetPort int) *RTPRelay {
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// and pushes RTP-ready payloads into Output channel.
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func CreateRTPRelay(ctx context.Context) *RTPRelay {
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conn, err := net.ListenPacket("udp", ":6669")
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if err != nil {
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log.Printf("ERROR: %s\n", err)
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}
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close = false
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closeFlag = false
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relay := RTPRelay{
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close: false,
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targetIP: targetAddress,
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targetPort: targetPort,
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listener: conn,
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context: ctx,
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}
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if err != nil {
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log.Printf("ERROR: %s\n", err)
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close: false,
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listener: conn,
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context: ctx,
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Output: make(chan Frame, 100), // buffered for smoother streaming
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}
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go handleCameraStream(relay, conn)
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@ -55,92 +55,85 @@ func handleCameraStream(relay RTPRelay, conn net.PacketConn) {
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header := streamHeader{}
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var payload []byte
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rtpTarget := net.UDPAddr{
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IP: relay.targetIP,
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Port: relay.targetPort,
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}
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rtpSource, _ := net.ResolveUDPAddr("udp", "127.0.0.1")
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rtpConn, err := net.DialUDP("udp", rtpSource, &rtpTarget)
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if err != nil {
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log.Printf("ERROR creating RTP sender: %s\n", err)
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}
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var sequenceNumber uint16
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var elapsed uint32
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frameBuffer := bytes.Buffer{}
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packetBuffer := bytes.Buffer{}
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T:
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for {
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conn.SetReadDeadline(time.Now().Add(10 * time.Second))
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select {
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case <-relay.context.Done():
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log.Println("Context Done")
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rtpConn.Close()
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T:
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for {
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conn.SetReadDeadline(time.Now().Add(10 * time.Second))
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select {
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case <-relay.context.Done():
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log.Println("Context Done")
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relay.listener.Close()
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close(relay.Output)
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break T
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default:
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if closeFlag {
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relay.listener.Close()
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close(relay.Output)
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break T
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default:
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if close {
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rtpConn.Close()
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relay.listener.Close()
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break T
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}
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conn.ReadFrom(buffer)
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packetReader.Reset(buffer)
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}
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binary.Read(packetReader, binary.BigEndian, &header)
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conn.ReadFrom(buffer)
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packetReader.Reset(buffer)
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if header.Magic != 0xBCDE {
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log.Printf("Received message with invalid magic (%x).", header.Magic)
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binary.Read(packetReader, binary.BigEndian, &header)
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if header.Magic != 0xBCDE {
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log.Printf("Received message with invalid magic (%x).", header.Magic)
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break
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}
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if header.Length > 0 {
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payload = make([]byte, header.Length)
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_, err := io.ReadFull(packetReader, payload)
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if err != nil {
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log.Printf("Read Error: %s\n", err)
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break
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}
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} else {
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payload = []byte{}
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}
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if header.Length > 0 {
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payload = make([]byte, header.Length)
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_, err := io.ReadFull(packetReader, payload)
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if err != nil {
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log.Printf("Read Error: %s\n", err)
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break
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}
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} else {
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payload = []byte{}
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}
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switch header.MessageType {
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case 0x0001: // H.264 Data
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frameBuffer.Write(payload)
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switch header.MessageType {
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case 0x0001: // H.264 Data
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frameBuffer.Write(payload)
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case 0x0002: // Time
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// Append the Framebuffer
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packetBuffer.Write(frameBuffer.Bytes())
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case 0x0002: // Time
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// Append full frame
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packetBuffer.Write(frameBuffer.Bytes())
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// Send out the packet
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rtpConn.Write(packetBuffer.Bytes())
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// Push to RTSP server (in-memory)
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relay.Output <- Frame{Payload: append([]byte{}, packetBuffer.Bytes()...)}
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// Prepare the next packet
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packetBuffer.Reset()
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packetBuffer.Write([]byte{0x80, 0x63})
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binary.Write(&packetBuffer, binary.BigEndian, sequenceNumber+1)
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binary.Write(&packetBuffer, binary.BigEndian, (uint32)(elapsed)*90)
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binary.Write(&packetBuffer, binary.BigEndian, (uint64(0)))
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// Reset the next packet
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packetBuffer.Reset()
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packetBuffer.Write([]byte{0x80, 0x63})
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binary.Write(&packetBuffer, binary.BigEndian, sequenceNumber+1)
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binary.Write(&packetBuffer, binary.BigEndian, (uint32)(elapsed)*90)
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binary.Write(&packetBuffer, binary.BigEndian, (uint64(0)))
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// Reset the Framebuffer
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frameBuffer.Reset()
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sequenceNumber++
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frameBuffer.Reset()
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sequenceNumber++
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elapsed = binary.LittleEndian.Uint32(payload[12:])
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elapsed = binary.LittleEndian.Uint32(payload[12:])
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default:
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log.Printf("Received Unknown Message: %+v\n", header)
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log.Printf("Payload:\n%s\n", hex.Dump(payload))
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}
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default:
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log.Printf("Received Unknown Message: %+v\n", header)
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log.Printf("Payload:\n%s\n", hex.Dump(payload))
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}
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}
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}
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close(relay.Output)
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}
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// Stop stops listening for packets
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func (r *RTPRelay) Stop() {
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close = true
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closeFlag = true
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r.close = true
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r.listener.Close()
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}
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@ -1,252 +1,139 @@
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package rtsp
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import (
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"context"
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"fmt"
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"log"
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"net"
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"sync"
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"time"
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"context"
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"fmt"
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"log"
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"sync"
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"github.com/pion/rtp"
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"github.com/pion/rtp"
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"github.com/bluenviron/gortsplib/v4"
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"github.com/bluenviron/gortsplib/v4/pkg/base"
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"github.com/bluenviron/gortsplib/v4/pkg/description"
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"github.com/bluenviron/gortsplib/v4/pkg/format"
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"github.com/bluenviron/gortsplib/v4"
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"github.com/bluenviron/gortsplib/v4/pkg/base"
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"github.com/bluenviron/gortsplib/v4/pkg/description"
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"github.com/bluenviron/gortsplib/v4/pkg/format"
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// We keep this import so the CreateServer() signature matches the original
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// repo (actioncam.go calls rtsp.CreateServer(ctx, host, port, camera)).
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"github.com/jonas-koeritz/actioncam/libipcamera"
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"github.com/jonas-koeritz/actioncam/libipcamera"
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)
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// This is where your RTP relay should send H.264 packets.
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// The original project uses port 5220 for the preview stream.
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const defaultRTPInPort = 5220
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// Server wraps the gortsplib server + the in-memory stream.
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type Server struct {
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gs *gortsplib.Server
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stream *gortsplib.ServerStream
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media *description.Media
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ctx context.Context
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cancel context.CancelFunc
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wg sync.WaitGroup
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rtpConn *net.UDPConn
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stream *gortsplib.ServerStream
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media *description.Media
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gs *gortsplib.Server
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ctx context.Context
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cancel context.CancelFunc
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wg sync.WaitGroup
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}
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// handler implements the gortsplib ServerHandler* interfaces.
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type handler struct {
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srv *Server
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// CreateServer now requires relay as input
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func CreateServer(parentCtx context.Context, host string, port int, relay *libipcamera.RTPRelay) (*Server, error) {
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ctx, cancel := context.WithCancel(parentCtx)
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stream, media, err := newH264Stream()
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if err != nil {
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cancel()
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return nil, fmt.Errorf("create H264 stream: %w", err)
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}
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srv := &Server{
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ctx: ctx,
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cancel: cancel,
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stream: stream,
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media: media,
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}
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h := &handler{srv: srv}
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gs := &gortsplib.Server{
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Handler: h,
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RTSPAddress: fmt.Sprintf("%s:%d", host, port),
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}
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srv.gs = gs
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// 🧠 Pump from relay to RTSP
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srv.wg.Add(1)
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go srv.relayPump(relay)
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go func() {
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log.Printf("RTSP server ready on rtsp://%s:%d/", host, port)
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err := gs.StartAndWait()
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if err != nil {
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log.Printf("RTSP stopped: %v", err)
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}
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cancel()
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}()
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return srv, nil
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}
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// --- RTSP callbacks (multi-client capable) ---
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// OnDescribe: clients ask what the stream looks like (SDP).
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func (h *handler) OnDescribe(ctx *gortsplib.ServerHandlerOnDescribeCtx) (*base.Response, *gortsplib.ServerStream, error) {
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log.Printf("RTSP DESCRIBE from %v path=%s", ctx.Conn.NetConn().RemoteAddr(), ctx.Path)
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return &base.Response{
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StatusCode: base.StatusOK,
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}, h.srv.stream, nil
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}
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// OnSetup: client wants to SUBSCRIBE to the existing stream.
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func (h *handler) OnSetup(ctx *gortsplib.ServerHandlerOnSetupCtx) (*base.Response, *gortsplib.ServerStream, error) {
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log.Printf("RTSP SETUP from %v path=%s", ctx.Conn.NetConn().RemoteAddr(), ctx.Path)
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return &base.Response{
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StatusCode: base.StatusOK,
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}, h.srv.stream, nil
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}
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// OnPlay: client starts receiving packets.
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func (h *handler) OnPlay(ctx *gortsplib.ServerHandlerOnPlayCtx) (*base.Response, error) {
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log.Printf("RTSP PLAY from %v path=%s", ctx.Conn.NetConn().RemoteAddr(), ctx.Path)
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return &base.Response{
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StatusCode: base.StatusOK,
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}, nil
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}
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// (Optional) For logging / debugging:
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func (h *handler) OnConnOpen(ctx *gortsplib.ServerHandlerOnConnOpenCtx) {
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log.Printf("RTSP connection opened: %v", ctx.Conn.NetConn().RemoteAddr())
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}
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func (h *handler) OnConnClose(ctx *gortsplib.ServerHandlerOnConnCloseCtx) {
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log.Printf("RTSP connection closed: %v (err=%v)", ctx.Conn.NetConn().RemoteAddr(), ctx.Error)
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}
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// --- Public API ---
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// CreateServer creates and starts a RTSP server that serves *one* H.264 video
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// stream, backed by a single UDP source (127.0.0.1:defaultRTPInPort).
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//
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// It keeps the original function signature from the repo:
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// rtsp.CreateServer(applicationContext, host, port, camera)
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// but the camera is NOT used directly here – you’re expected to start the
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// RTP relay separately so that it forwards H.264 RTP packets into
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// 127.0.0.1:defaultRTPInPort.
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//
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// Multiple RTSP clients are automatically supported: all of them read from
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// the same gortsplib.ServerStream.
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func CreateServer(parentCtx context.Context, host string, port int, _ *libipcamera.Camera) (*Server, error) {
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ctx, cancel := context.WithCancel(parentCtx)
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// Build an in-memory H.264 stream description suitable for gortsplib.
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stream, media, err := newH264Stream()
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if err != nil {
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cancel()
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return nil, fmt.Errorf("create H264 stream: %w", err)
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}
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// Listen for incoming RTP packets from the RTP relay.
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rtpAddr := &net.UDPAddr{
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IP: net.ParseIP("127.0.0.1"),
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Port: defaultRTPInPort,
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}
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rtpConn, err := net.ListenUDP("udp", rtpAddr)
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if err != nil {
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cancel()
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return nil, fmt.Errorf("listen udp %v: %w", rtpAddr, err)
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}
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srv := &Server{
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stream: stream,
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media: media,
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ctx: ctx,
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cancel: cancel,
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rtpConn: rtpConn,
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}
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h := &handler{srv: srv}
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// Configure gortsplib server.
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gs := &gortsplib.Server{
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Handler: h,
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RTSPAddress: fmt.Sprintf("%s:%d", host, port),
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// If you also want UDP transport for clients, set UDPRTPAddress/UDPRTCPAddress here.
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// For most use cases, TCP (interleaved over RTSP) is fine.
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}
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srv.gs = gs
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// Start the UDP → RTSP pump.
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srv.wg.Add(1)
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go srv.rtpPump()
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// Start RTSP server in the background.
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go func() {
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log.Printf("RTSP server listening on rtsp://%s:%d/ (gortsplib)", host, port)
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if err := gs.StartAndWait(); err != nil {
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log.Printf("RTSP server stopped with error: %v", err)
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}
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cancel()
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}()
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return srv, nil
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}
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|
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// Close shuts down the RTSP server and the RTP pump.
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func (s *Server) Close() {
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s.cancel()
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if s.gs != nil {
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s.gs.Close()
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}
|
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if s.rtpConn != nil {
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_ = s.rtpConn.Close()
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}
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s.wg.Wait()
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if s.stream != nil {
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s.stream.Close()
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}
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s.cancel()
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if s.gs != nil {
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s.gs.Close()
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}
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s.wg.Wait()
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||||
if s.stream != nil {
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s.stream.Close()
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}
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}
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// --- internals ---
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// Relay pump: consumes RTP from channel
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func (s *Server) relayPump(relay *libipcamera.RTPRelay) {
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defer s.wg.Done()
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for {
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select {
|
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case <-s.ctx.Done():
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return
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case frame, ok := <-relay.Output:
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if !ok {
|
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return
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}
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// Build RTP packet
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var pkt rtp.Packet
|
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if err := pkt.Unmarshal(frame.Payload); err != nil {
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continue
|
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}
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s.stream.WritePacketRTP(s.media, &pkt)
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}
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}
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}
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// newH264Stream builds a single-video-track ServerStream with a valid clock rate.
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//
|
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// NOTE:
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||||
// * SPS / PPS here are "generic valid" values, not tuned to your camera.
|
||||
// * For best results, you can parse the real SPS/PPS from your camera.sdp and
|
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// drop them in here.
|
||||
// Handler below…
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type handler struct{ srv *Server }
|
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|
||||
func (h *handler) OnDescribe(ctx *gortsplib.ServerHandlerOnDescribeCtx) (*base.Response, *gortsplib.ServerStream, error) {
|
||||
return &base.Response{StatusCode: base.StatusOK}, h.srv.stream, nil
|
||||
}
|
||||
|
||||
func (h *handler) OnSetup(ctx *gortsplib.ServerHandlerOnSetupCtx) (*base.Response, *gortsplib.ServerStream, error) {
|
||||
return &base.Response{StatusCode: base.StatusOK}, h.srv.stream, nil
|
||||
}
|
||||
|
||||
func (h *handler) OnPlay(ctx *gortsplib.ServerHandlerOnPlayCtx) (*base.Response, error) {
|
||||
return &base.Response{StatusCode: base.StatusOK}, nil
|
||||
}
|
||||
|
||||
// Build simple baseline H264 SDP
|
||||
func newH264Stream() (*gortsplib.ServerStream, *description.Media, error) {
|
||||
// Generic baseline-profile SPS/PPS. They just need to be *valid* so that
|
||||
// the library knows the clock rate and doesn't panic ("non-positive interval
|
||||
// for NewTicker") :contentReference[oaicite:1]{index=1}
|
||||
h264 := &format.H264{
|
||||
PayloadTyp: 96,
|
||||
SPS: []byte{
|
||||
0x67, 0x42, 0xC0, 0x1F, 0x96, 0x54, 0x05, 0x01, 0xED, 0x00, 0xF0, 0x88, 0x45, 0x80,
|
||||
},
|
||||
PPS: []byte{
|
||||
0x68, 0xCE, 0x38, 0x80,
|
||||
},
|
||||
PacketizationMode: 1,
|
||||
}
|
||||
h264 := &format.H264{
|
||||
PayloadTyp: 96,
|
||||
PacketizationMode: 1,
|
||||
SPS: []byte{0x67, 0x42, 0xC0, 0x1F, 0x96, 0x54, 0x05, 0x01, 0xED, 0x00, 0xF0, 0x88, 0x45, 0x80},
|
||||
PPS: []byte{0x68, 0xCE, 0x38, 0x80},
|
||||
}
|
||||
|
||||
media := &description.Media{
|
||||
Type: description.MediaTypeVideo,
|
||||
// You could also set media.Control if you want a specific track URL.
|
||||
Formats: []format.Format{h264},
|
||||
}
|
||||
media := &description.Media{
|
||||
Type: description.MediaTypeVideo,
|
||||
Formats: []format.Format{h264},
|
||||
}
|
||||
|
||||
desc := &description.Session{
|
||||
Medias: []*description.Media{media},
|
||||
}
|
||||
desc := &description.Session{
|
||||
Medias: []*description.Media{media},
|
||||
}
|
||||
|
||||
stream := &gortsplib.ServerStream{
|
||||
Desc: desc,
|
||||
}
|
||||
if err := stream.Initialize(); err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
stream := &gortsplib.ServerStream{Desc: desc}
|
||||
if err := stream.Initialize(); err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
|
||||
return stream, media, nil
|
||||
}
|
||||
|
||||
// rtpPump reads RTP packets from UDP and pushes them into the gortsplib stream.
|
||||
// Every connected RTSP client gets the same packets (multi-client fan-out).
|
||||
func (s *Server) rtpPump() {
|
||||
defer s.wg.Done()
|
||||
|
||||
buf := make([]byte, 2048)
|
||||
|
||||
for {
|
||||
select {
|
||||
case <-s.ctx.Done():
|
||||
return
|
||||
default:
|
||||
}
|
||||
|
||||
// Avoid blocking forever so we can react to shutdown.
|
||||
_ = s.rtpConn.SetReadDeadline(time.Now().Add(2 * time.Second))
|
||||
|
||||
n, _, err := s.rtpConn.ReadFromUDP(buf)
|
||||
if err != nil {
|
||||
if ne, ok := err.(net.Error); ok && ne.Timeout() {
|
||||
continue
|
||||
}
|
||||
// If the context is done, exit quietly.
|
||||
if s.ctx.Err() != nil {
|
||||
return
|
||||
}
|
||||
|
||||
log.Printf("RTP read error: %v", err)
|
||||
continue
|
||||
}
|
||||
|
||||
var pkt rtp.Packet
|
||||
if err := pkt.Unmarshal(buf[:n]); err != nil {
|
||||
// Ignore malformed packets.
|
||||
continue
|
||||
}
|
||||
|
||||
if err := s.stream.WritePacketRTP(s.media, &pkt); err != nil {
|
||||
// This is non-fatal; clients can disconnect at any time.
|
||||
log.Printf("WritePacketRTP error: %v", err)
|
||||
}
|
||||
}
|
||||
return stream, media, nil
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue