add handle connect, NetConnection.Connect.Success, play, onMetadata
This commit is contained in:
nareix
parent
2385aafae2
commit
505ca290d3
499
new.go
499
new.go
@ -2,25 +2,27 @@
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package rtmp
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import (
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"bytes"
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"net"
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"bufio"
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"time"
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"fmt"
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"encoding/hex"
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"io"
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"github.com/nareix/pio"
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"github.com/nareix/flv/flvio"
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"github.com/nareix/av"
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"github.com/nareix/codec/h264parser"
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"github.com/nareix/codec/aacparser"
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"crypto/hmac"
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"crypto/sha256"
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"crypto/rand"
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)
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type Publisher struct {
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}
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type Player struct {
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}
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type Server struct {
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Addr string
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HandlePublish func(*Publisher)
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HandlePlay func(*Player)
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HandlePublish func(*Conn)
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HandlePlay func(*Conn)
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}
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func (self *Server) handleConn(conn *Conn) (err error) {
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@ -28,6 +30,14 @@ func (self *Server) handleConn(conn *Conn) (err error) {
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fmt.Println("rtmp: conn closed:", err)
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return
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}
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if conn.playing {
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if self.HandlePlay != nil {
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self.HandlePlay(conn)
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conn.Close()
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}
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}
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return
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}
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@ -59,11 +69,15 @@ func (self *Server) ListenAndServe() (err error) {
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}
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type Conn struct {
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RequestUri string
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streams []av.CodecData
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br *pio.Reader
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bw *pio.Writer
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bufr *bufio.Reader
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bufw *bufio.Writer
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intw *pio.Writer
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netconn net.Conn
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writeMaxChunkSize int
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readMaxChunkSize int
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@ -73,20 +87,25 @@ type Conn struct {
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csmap map[uint32]*chunkStream
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publishing, playing bool
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playmsgcsid uint32
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gotcommand bool
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command string
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commandr *pio.Reader
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commandobj flvio.AMFMap
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commandname string
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commandtransid float64
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commandobj flvio.AMFMap
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commandparams []interface{}
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gotmsg bool
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msgdata []byte
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msgtypeid uint8
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msgcsid uint32
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eventtype uint16
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}
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func newConn(netconn net.Conn) *Conn {
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conn := &Conn{}
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conn.netconn = netconn
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conn.csmap = make(map[uint32]*chunkStream)
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conn.readMaxChunkSize = 128
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conn.writeMaxChunkSize = 128
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@ -122,31 +141,40 @@ const (
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msgtypeidSetChunkSize = 1
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msgtypeidCommandMsgAMF0 = 20
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msgtypeidCommandMsgAMF3 = 17
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msgtypeidDataMsgAMF0 = 18
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msgtypeidDataMsgAMF3 = 15
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msgtypeidVideoMsg = 9
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msgtypeidAudioMsg = 8
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)
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const (
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eventtypeStreamBegin = 0
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)
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func (self *Conn) Close() (err error) {
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return self.netconn.Close()
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}
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func (self *Conn) pollCommand() (err error) {
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for {
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if err = self.readChunk(); err != nil {
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if err = self.pollMsg(); err != nil {
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return
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}
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if self.gotcommand {
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self.gotcommand = false
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return
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}
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}
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}
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func (self *Conn) pollMsg() (err error) {
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self.gotmsg = false
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self.gotcommand = false
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for {
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if err = self.readChunk(); err != nil {
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return
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}
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if self.gotmsg {
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self.gotmsg = false
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fmt.Println("rtmp: gotmsg iscommand", self.gotcommand)
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return
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}
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}
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@ -161,7 +189,7 @@ func (self *Conn) determineType() (err error) {
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if err = self.pollCommand(); err != nil {
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return
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}
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if self.command != "connect" {
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if self.commandname != "connect" {
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err = fmt.Errorf("rtmp: first command is not connect")
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return
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}
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@ -191,20 +219,201 @@ func (self *Conn) determineType() (err error) {
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"level": "status",
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"code": "NetConnection.Connect.Success",
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"description": "Connection Success.",
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"objectEncoding": 0,
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"objectEncoding": 3,
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})
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self.writeCommandMsgEnd()
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self.writeCommandMsgEnd(3, 0)
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if err = self.pollCommand(); err != nil {
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return
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}
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if err = self.pollCommand(); err != nil {
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return
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for {
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if err = self.pollMsg(); err != nil {
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return
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}
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if self.gotcommand {
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switch self.commandname {
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// < createStream
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case "createStream":
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self.playmsgcsid = uint32(1)
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// > _result(streamid)
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w := self.writeCommandMsgStart()
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flvio.WriteAMF0Val(w, "_result")
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flvio.WriteAMF0Val(w, self.commandtransid)
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flvio.WriteAMF0Val(w, nil)
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flvio.WriteAMF0Val(w, self.playmsgcsid) // streamid=1
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self.writeCommandMsgEnd(3, 0)
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// < play("path")
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case "play":
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if len(self.commandparams) < 1 {
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err = fmt.Errorf("rtmp: play params invalid")
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return
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}
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path, _ := self.commandparams[0].(string)
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self.RequestUri = path
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fmt.Println("rtmp: play", path)
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// > streamBegin(streamid)
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self.writeStreamBegin(self.playmsgcsid)
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// > onStatus()
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w := self.writeCommandMsgStart()
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flvio.WriteAMF0Val(w, "onStatus")
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flvio.WriteAMF0Val(w, self.commandtransid)
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flvio.WriteAMF0Val(w, nil)
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flvio.WriteAMF0Val(w, flvio.AMFMap{
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"level": "status",
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"code": "NetStream.Play.Start",
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"description": "Start live",
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})
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self.writeCommandMsgEnd(5, self.playmsgcsid)
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// > |RtmpSampleAccess()
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w = self.writeDataMsgStart()
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flvio.WriteAMF0Val(w, "|RtmpSampleAccess")
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flvio.WriteAMF0Val(w, true)
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flvio.WriteAMF0Val(w, true)
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self.writeDataMsgEnd(5, self.playmsgcsid)
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fmt.Println("rtmp: playing")
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self.playing = true
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return
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}
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}
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}
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return
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}
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func (self *Conn) WritePacket(pkt av.Packet) (err error) {
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ts := uint32(pkt.Time/time.Millisecond)
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stream := self.streams[pkt.Idx]
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switch stream.Type() {
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case av.AAC:
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audiodata := self.makeAACAudiodata(stream.(av.AudioCodecData), flvio.AAC_RAW, pkt.Data)
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w := self.writeAudioDataStart()
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audiodata.Marshal(w)
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self.writeAudioDataEnd(ts)
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case av.H264:
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videodata := self.makeH264Videodata(flvio.AVC_NALU, pkt.Data)
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w := self.writeVideoDataStart()
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videodata.Marshal(w)
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self.writeVideoDataEnd(ts)
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}
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return
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}
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func (self *Conn) WriteHeader(streams []av.CodecData) (err error) {
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metadata := flvio.AMFMap{}
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metadata["Server"] = "joy4"
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metadata["duration"] = 0
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for _, _stream := range streams {
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typ := _stream.Type()
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switch {
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case typ.IsVideo():
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stream := _stream.(av.VideoCodecData)
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switch typ {
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case av.H264:
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metadata["videocodecid"] = flvio.VIDEO_H264
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default:
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err = fmt.Errorf("rtmp: WriteHeader unsupported video codecType=%v", stream.Type())
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return
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}
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metadata["width"] = stream.Width()
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metadata["height"] = stream.Height()
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metadata["displayWidth"] = stream.Width()
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metadata["displayHeight"] = stream.Height()
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metadata["framerate"] = 24 // TODO: make it correct
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metadata["fps"] = 24
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metadata["videodatarate"] = 1538 // TODO: make it correct
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metadata["profile"] = ""
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metadata["level"] = ""
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case typ.IsAudio():
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stream := _stream.(av.AudioCodecData)
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switch typ {
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case av.AAC:
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metadata["audiocodecid"] = flvio.SOUND_AAC
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default:
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err = fmt.Errorf("rtmp: WriteHeader unsupported audio codecType=%v", stream.Type())
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return
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}
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metadata["audiodatarate"] = 156 // TODO: make it correct
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}
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}
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// > onMetaData()
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w := self.writeDataMsgStart()
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flvio.WriteAMF0Val(w, "onMetaData")
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flvio.WriteAMF0Val(w, metadata)
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if err = self.writeDataMsgEnd(5, self.playmsgcsid); err != nil {
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return
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}
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// > Videodata(decoder config)
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// > Audiodata(decoder config)
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for _, stream := range streams {
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switch stream.Type() {
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case av.H264:
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h264 := stream.(h264parser.CodecData)
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videodata := self.makeH264Videodata(flvio.AVC_SEQHDR, h264.AVCDecoderConfRecordBytes())
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w := self.writeVideoDataStart()
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videodata.Marshal(w)
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if err = self.writeVideoDataEnd(0); err != nil {
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return
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}
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case av.AAC:
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aac := stream.(aacparser.CodecData)
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audiodata := self.makeAACAudiodata(aac, flvio.AAC_SEQHDR, aac.MPEG4AudioConfigBytes())
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w := self.writeAudioDataStart()
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audiodata.Marshal(w)
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if err = self.writeAudioDataEnd(0); err != nil {
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return
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}
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}
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}
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self.streams = streams
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return
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}
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func (self *Conn) makeH264Videodata(pkttype uint8, data []byte) flvio.Videodata {
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return flvio.Videodata{
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FrameType: flvio.FRAME_KEY,
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CodecID: flvio.VIDEO_H264,
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AVCPacketType: pkttype,
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Data: data,
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}
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}
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func (self *Conn) makeAACAudiodata(stream av.AudioCodecData, pkttype uint8, data []byte) flvio.Audiodata {
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audiodata := flvio.Audiodata{
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SoundFormat: flvio.SOUND_AAC,
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SoundRate: flvio.SOUND_44Khz,
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AACPacketType: pkttype,
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}
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switch stream.SampleFormat().BytesPerSample() {
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case 1:
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audiodata.SoundSize = flvio.SOUND_8BIT
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case 2:
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audiodata.SoundSize = flvio.SOUND_16BIT
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}
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switch stream.ChannelLayout().Count() {
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case 1:
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audiodata.SoundType = flvio.SOUND_MONO
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case 2:
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audiodata.SoundType = flvio.SOUND_STEREO
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}
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return audiodata
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}
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func (self *Conn) writeSetChunkSize(size uint32) (err error) {
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w := self.writeProtoCtrlMsgStart()
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w.WriteU32BE(size)
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@ -239,9 +448,39 @@ func (self *Conn) writeCommandMsgStart() *pio.Writer {
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return self.intw
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}
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func (self *Conn) writeCommandMsgEnd() (err error) {
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func (self *Conn) writeCommandMsgEnd(csid uint32, msgcsid uint32) (err error) {
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msgdatav := self.intw.SaveToVecOff()
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return self.writeChunks(3, 0, msgtypeidCommandMsgAMF0, 0, msgdatav)
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return self.writeChunks(csid, 0, msgtypeidCommandMsgAMF0, msgcsid, msgdatav)
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}
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func (self *Conn) writeDataMsgStart() *pio.Writer {
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self.intw.SaveToVecOn()
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return self.intw
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}
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func (self *Conn) writeDataMsgEnd(csid uint32, msgcsid uint32) (err error) {
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msgdatav := self.intw.SaveToVecOff()
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return self.writeChunks(csid, 0, msgtypeidDataMsgAMF0, msgcsid, msgdatav)
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}
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func (self *Conn) writeVideoDataStart() *pio.Writer {
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self.intw.SaveToVecOn()
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return self.intw
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}
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func (self *Conn) writeVideoDataEnd(timestamp uint32) (err error) {
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msgdatav := self.intw.SaveToVecOff()
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return self.writeChunks(6, timestamp, msgtypeidVideoMsg, self.playmsgcsid, msgdatav)
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}
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func (self *Conn) writeAudioDataStart() *pio.Writer {
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self.intw.SaveToVecOn()
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return self.intw
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}
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func (self *Conn) writeAudioDataEnd(timestamp uint32) (err error) {
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msgdatav := self.intw.SaveToVecOff()
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return self.writeChunks(6, timestamp, msgtypeidAudioMsg, self.playmsgcsid, msgdatav)
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}
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func (self *Conn) writeUserControlMsgStart(eventtype uint16) *pio.Writer {
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@ -264,7 +503,7 @@ func (self *Conn) writeStreamBegin(msgcsid uint32) (err error) {
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func (self *Conn) writeChunks(csid uint32, timestamp uint32, msgtypeid uint8, msgcsid uint32, msgdatav [][]byte) (err error) {
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msgdatalen := pio.VecLen(msgdatav)
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// [Type 0][Type 3][Type 3][Type 3]
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// [Type 0][Type 3][Type 3]....
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// 0 1 2 3
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// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
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@ -517,7 +756,7 @@ func (self *Conn) readChunk() (err error) {
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fmt.Printf("%x\n", cs.msgdata)
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}
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if err = self.handleMsg(cs.msgtypeid, cs.msgdata); err != nil {
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if err = self.handleMsg(csid, cs.msgtypeid, cs.msgdata); err != nil {
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return
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}
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}
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@ -525,60 +764,195 @@ func (self *Conn) readChunk() (err error) {
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return
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}
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func (self *Conn) handleMsg(msgtypeid uint8, msgdata []byte) (err error) {
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func (self *Conn) handleCommandMsgAMF0(r *pio.Reader) (err error) {
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commandname, _ := flvio.ReadAMF0Val(r)
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commandtransid, _ := flvio.ReadAMF0Val(r)
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commandobj, _ := flvio.ReadAMF0Val(r)
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var ok bool
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if self.commandname, ok = commandname.(string); !ok {
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err = fmt.Errorf("rtmp: CommandMsgAMF0 command is not string")
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return
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}
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self.commandobj, _ = commandobj.(flvio.AMFMap)
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self.commandtransid, _ = commandtransid.(float64)
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self.commandparams = []interface{}{}
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for {
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if val, rerr := flvio.ReadAMF0Val(r); rerr != nil {
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break
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} else {
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self.commandparams = append(self.commandparams, val)
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}
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}
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self.gotcommand = true
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return
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}
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func (self *Conn) handleMsg(msgcsid uint32, msgtypeid uint8, msgdata []byte) (err error) {
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self.msgcsid = msgcsid
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switch msgtypeid {
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case msgtypeidCommandMsgAMF0:
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r := pio.NewReaderBytes(msgdata)
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command, _ := flvio.ReadAMF0Val(r)
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commandtransid, _ := flvio.ReadAMF0Val(r)
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commandobj, _ := flvio.ReadAMF0Val(r)
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var ok bool
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if self.command, ok = command.(string); !ok {
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err = fmt.Errorf("rtmp: CommandMsgAMF0 command is not string")
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if err = self.handleCommandMsgAMF0(r); err != nil {
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return
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}
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self.commandobj, _ = commandobj.(flvio.AMFMap)
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self.commandtransid, _ = commandtransid.(float64)
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case msgtypeidCommandMsgAMF3:
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r := pio.NewReaderBytes(msgdata)
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r.ReadU8() // skip first byte
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if err = self.handleCommandMsgAMF0(r); err != nil {
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return
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}
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self.commandr = r
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self.gotcommand = true
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case msgtypeidUserControl:
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if len(msgdata) >= 2 {
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self.eventtype = pio.GetU16BE(msgdata)
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} else {
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err = fmt.Errorf("rtmp: short packet of UserControl")
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return
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}
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case msgtypeidSetPeerBandwidth:
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case msgtypeidSetChunkSize:
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case msgtypeidWindowAckSize:
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self.msgdata = msgdata
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self.msgtypeid = msgtypeid
|
||||
self.gotmsg = true
|
||||
|
||||
default:
|
||||
return
|
||||
}
|
||||
|
||||
self.gotmsg = true
|
||||
return
|
||||
}
|
||||
|
||||
var (
|
||||
hsClientFullKey = []byte{
|
||||
'G', 'e', 'n', 'u', 'i', 'n', 'e', ' ', 'A', 'd', 'o', 'b', 'e', ' ',
|
||||
'F', 'l', 'a', 's', 'h', ' ', 'P', 'l', 'a', 'y', 'e', 'r', ' ',
|
||||
'0', '0', '1',
|
||||
0xF0, 0xEE, 0xC2, 0x4A, 0x80, 0x68, 0xBE, 0xE8, 0x2E, 0x00, 0xD0, 0xD1,
|
||||
0x02, 0x9E, 0x7E, 0x57, 0x6E, 0xEC, 0x5D, 0x2D, 0x29, 0x80, 0x6F, 0xAB,
|
||||
0x93, 0xB8, 0xE6, 0x36, 0xCF, 0xEB, 0x31, 0xAE,
|
||||
}
|
||||
hsServerFullKey = []byte{
|
||||
'G', 'e', 'n', 'u', 'i', 'n', 'e', ' ', 'A', 'd', 'o', 'b', 'e', ' ',
|
||||
'F', 'l', 'a', 's', 'h', ' ', 'M', 'e', 'd', 'i', 'a', ' ',
|
||||
'S', 'e', 'r', 'v', 'e', 'r', ' ',
|
||||
'0', '0', '1',
|
||||
0xF0, 0xEE, 0xC2, 0x4A, 0x80, 0x68, 0xBE, 0xE8, 0x2E, 0x00, 0xD0, 0xD1,
|
||||
0x02, 0x9E, 0x7E, 0x57, 0x6E, 0xEC, 0x5D, 0x2D, 0x29, 0x80, 0x6F, 0xAB,
|
||||
0x93, 0xB8, 0xE6, 0x36, 0xCF, 0xEB, 0x31, 0xAE,
|
||||
}
|
||||
hsClientPartialKey = hsClientFullKey[:30]
|
||||
hsServerPartialKey = hsServerFullKey[:36]
|
||||
)
|
||||
|
||||
func hsMakeDigest(key []byte, src []byte, skip int) (dst []byte) {
|
||||
h := hmac.New(sha256.New, key)
|
||||
if skip >= 0 && skip < len(src) {
|
||||
if skip != 0 {
|
||||
h.Write(src[:skip])
|
||||
}
|
||||
if len(src) != skip + 32 {
|
||||
h.Write(src[skip+32:])
|
||||
}
|
||||
} else {
|
||||
h.Write(src)
|
||||
}
|
||||
return h.Sum(nil)
|
||||
}
|
||||
|
||||
func hsFindDigest(p []byte, key []byte, base int) (off int) {
|
||||
for n := 0; n < 4; n++ {
|
||||
off += int(p[base + n])
|
||||
}
|
||||
off = (off % 728) + base + 4
|
||||
digest := hsMakeDigest(key, p, off)
|
||||
if bytes.Compare(p[off:off+32], digest) != 0 {
|
||||
off = -1
|
||||
}
|
||||
return off
|
||||
}
|
||||
|
||||
func hsParseC1(p []byte) (digest []byte, err error) {
|
||||
return hsParse1(p, hsClientPartialKey)
|
||||
}
|
||||
|
||||
func hsParseS1(p []byte) (digest []byte, err error) {
|
||||
return hsParse1(p, hsServerPartialKey)
|
||||
}
|
||||
|
||||
func hsParse1(p []byte, key []byte) (digest []byte, err error) {
|
||||
var off int
|
||||
if off = hsFindDigest(p, key, 772); off == -1 {
|
||||
if off = hsFindDigest(p, key, 8); off == -1 {
|
||||
err = fmt.Errorf("rtmp: handshake: C1 parse failed")
|
||||
return
|
||||
}
|
||||
}
|
||||
digest = hsMakeDigest(key, p[off:off+32], -1)
|
||||
return
|
||||
}
|
||||
|
||||
func hsCreateS1(p []byte) {
|
||||
hsCreate1(p, hsServerPartialKey)
|
||||
}
|
||||
|
||||
func hsCreateS2(p []byte, digest []byte) {
|
||||
rand.Read(p)
|
||||
digest2 := hsMakeDigest(digest, p, 1536-32)
|
||||
copy(p[1536-32:], digest2)
|
||||
}
|
||||
|
||||
func hsCreate1(p []byte, key []byte) {
|
||||
rand.Read(p)
|
||||
off := 0
|
||||
for n := 8; n < 12; n++ {
|
||||
off += int(p[n])
|
||||
}
|
||||
off = (off % 728) + 12
|
||||
digest := hsMakeDigest(key, p, off)
|
||||
copy(p[off:], digest)
|
||||
}
|
||||
|
||||
func (self *Conn) handshake() (err error) {
|
||||
var time uint32
|
||||
var version uint8
|
||||
random := make([]byte, 1528)
|
||||
|
||||
var random [1536*4]byte
|
||||
var digest []byte
|
||||
C1 := random[0:1536]
|
||||
S1 := random[1536:1536*2]
|
||||
C2 := random[1536*2:1536*3]
|
||||
S2 := random[1536*3:1536*4]
|
||||
|
||||
// C0
|
||||
if version, err = self.br.ReadU8(); err != nil {
|
||||
return
|
||||
}
|
||||
if version != 0x3 {
|
||||
err = fmt.Errorf("rtmp: handshake c0: version=%d invalid", version)
|
||||
err = fmt.Errorf("rtmp: handshake C0: version=%d invalid", version)
|
||||
return
|
||||
}
|
||||
// C1
|
||||
if time, err = self.br.ReadU32BE(); err != nil {
|
||||
if _, err = io.ReadFull(self.br, C1); err != nil {
|
||||
return
|
||||
}
|
||||
if _, err = self.br.ReadU32BE(); err != nil {
|
||||
return
|
||||
}
|
||||
if _, err = io.ReadFull(self.br, random); err != nil {
|
||||
return
|
||||
|
||||
// TODO: do the right thing
|
||||
if false {
|
||||
if digest, err = hsParseC1(C1); err != nil {
|
||||
return
|
||||
}
|
||||
serverTime := uint32(0)
|
||||
serverVer := uint32(0x0d0e0a0d)
|
||||
hsCreateS1(S1)
|
||||
pio.PutU32BE(S1[0:4], serverTime)
|
||||
pio.PutU32BE(S1[4:8], serverVer)
|
||||
hsCreateS2(S2, digest)
|
||||
}
|
||||
|
||||
// S0
|
||||
@ -586,26 +960,11 @@ func (self *Conn) handshake() (err error) {
|
||||
return
|
||||
}
|
||||
// S1
|
||||
if err = self.bw.WriteU32BE(0); err != nil {
|
||||
return
|
||||
}
|
||||
if err = self.bw.WriteU32BE(0); err != nil {
|
||||
return
|
||||
}
|
||||
if _, err = self.bw.Write(random); err != nil {
|
||||
return
|
||||
}
|
||||
if err = self.bufw.Flush(); err != nil {
|
||||
if _, err = self.bw.Write(S1); err != nil {
|
||||
return
|
||||
}
|
||||
// S2
|
||||
if err = self.bw.WriteU32BE(0); err != nil {
|
||||
return
|
||||
}
|
||||
if err = self.bw.WriteU32BE(time); err != nil {
|
||||
return
|
||||
}
|
||||
if _, err = self.bw.Write(random); err != nil {
|
||||
if _, err = self.bw.Write(S2); err != nil {
|
||||
return
|
||||
}
|
||||
if err = self.bufw.Flush(); err != nil {
|
||||
@ -613,13 +972,7 @@ func (self *Conn) handshake() (err error) {
|
||||
}
|
||||
|
||||
// C2
|
||||
if time, err = self.br.ReadU32BE(); err != nil {
|
||||
return
|
||||
}
|
||||
if _, err = self.br.ReadU32BE(); err != nil {
|
||||
return
|
||||
}
|
||||
if _, err = io.ReadFull(self.br, random); err != nil {
|
||||
if _, err = io.ReadFull(self.br, C2); err != nil {
|
||||
return
|
||||
}
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user