Updating Remote

Seems to be working up to a certain point then hangs on std library :/
This commit is contained in:
Unknown 2017-12-30 19:01:50 +10:30
parent 51e2990187
commit a6303a9617
5 changed files with 46 additions and 25 deletions

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@ -63,14 +63,15 @@ func ParseNALFragment(unit []byte) (u *NALFragment) {
u.End = (unit[1] & 0x40) != 0 u.End = (unit[1] & 0x40) != 0
u.Reserved = (unit[1] & 0x20) != 0 u.Reserved = (unit[1] & 0x20) != 0
u.FiveNUBs = unit[1] & 0x1F u.FiveNUBs = unit[1] & 0x1F
u.Data = unit[2:] u.Data = make([]byte,len(unit[2:]))
copy(u.Data[:],unit[2:])
return return
} }
func ParseNALSpsPps(unit []byte)(u *NALSpsPps){ func ParseNALSpsPps(unit []byte)(u *NALSpsPps){
u = new(NALSpsPps) u = new(NALSpsPps)
u.Data = make([]byte,len(unit)) u.Data = make([]byte,len(unit))
u.Data = unit copy(u.Data[:],unit[:])
return return
} }

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@ -33,7 +33,7 @@ package packets
import ( import (
"net" "net"
"os" "fmt"
) )
const ( const (
@ -95,17 +95,22 @@ func toUint(arr []byte) (ret uint) {
} }
func (s *Session) HandleRtpConn(conn net.PacketConn) { func (s *Session) HandleRtpConn(conn net.PacketConn) {
file,_ := os.Create("video")
buf := make([]byte, 4096) buf := make([]byte, 4096)
for { for {
fmt.Println("handling rtp conn")
n, _, err := conn.ReadFrom(buf) n, _, err := conn.ReadFrom(buf)
fmt.Printf("n: %v\n",n)
fmt.Println("here1")
if err != nil { if err != nil {
panic(err) panic(err)
} }
fmt.Println("here2")
cpy := make([]byte, n) cpy := make([]byte, n)
fmt.Println("here3")
copy(cpy, buf) copy(cpy, buf)
file.Write(cpy) fmt.Println("here4")
go s.handleRtp(cpy) go s.handleRtp(cpy)
fmt.Println("here5")
} }
} }
@ -153,7 +158,9 @@ func (s *Session) handleRtp(buf []byte) {
} }
} }
packet.Payload = buf[i:] packet.Payload = buf[i:]
fmt.Println("sending rtp packet")
s.rtpChan <- packet s.rtpChan <- packet
fmt.Println("Sent")
} }
func (s *Session) handleRtcp(buf []byte) { func (s *Session) handleRtcp(buf []byte) {

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@ -28,6 +28,8 @@ LICENSE
package packets package packets
import "fmt"
type RtpToTsConverter interface { type RtpToTsConverter interface {
Convert() Convert()
} }
@ -35,8 +37,8 @@ type RtpToTsConverter interface {
type rtpToTsConverter struct { type rtpToTsConverter struct {
TsChan <-chan *MpegTsPacket TsChan <-chan *MpegTsPacket
tsChan chan<- *MpegTsPacket tsChan chan<- *MpegTsPacket
InputChan chan<- *RtpPacket InputChan chan<- RtpPacket
inputChan <-chan *RtpPacket inputChan <-chan RtpPacket
currentTsPacket *MpegTsPacket currentTsPacket *MpegTsPacket
payloadByteChan chan byte payloadByteChan chan byte
currentCC byte currentCC byte
@ -47,7 +49,7 @@ func NewRtpToTsConverter() (c *rtpToTsConverter) {
tsChan := make(chan *MpegTsPacket,100) tsChan := make(chan *MpegTsPacket,100)
c.TsChan = tsChan c.TsChan = tsChan
c.tsChan = tsChan c.tsChan = tsChan
inputChan := make(chan *RtpPacket,100) inputChan := make(chan RtpPacket,100)
c.InputChan = inputChan c.InputChan = inputChan
c.inputChan = inputChan c.inputChan = inputChan
c.currentCC = 0 c.currentCC = 0
@ -55,27 +57,32 @@ func NewRtpToTsConverter() (c *rtpToTsConverter) {
} }
func (c* rtpToTsConverter) Convert() { func (c* rtpToTsConverter) Convert() {
nalUnitChan := make(chan NALUnit, 1000) nalUnitChan := make(chan NALUnit, 10000)
pesPktChan := make(chan []byte, 1000) pesPktChan := make(chan []byte, 10000)
pesDataChan := make(chan byte, 1000) pesDataChan := make(chan byte, 15000)
payloadByteChan := make(chan byte, 10000) payloadByteChan := make(chan byte, 15000)
// Get nal units from incoming rtp // Get nal units from incoming rtp
for { for {
select { select {
default: default:
case rtpPacket := <-c.inputChan: case rtpPacket := <-c.inputChan:
fmt.Println("case1")
if GetNalType( rtpPacket.Payload ) == 28 { if GetNalType( rtpPacket.Payload ) == 28 {
nalUnitChan<-ParseNALFragment(rtpPacket.Payload) nalUnitChan<-ParseNALFragment(rtpPacket.Payload)
} else { } else {
nalUnitChan<-ParseNALSpsPps(rtpPacket.Payload) nalUnitChan<-ParseNALSpsPps(rtpPacket.Payload)
} }
fmt.Println("done case1")
case nalUnit := <-nalUnitChan: case nalUnit := <-nalUnitChan:
fmt.Println("case2")
nalUnitByteSlice := nalUnit.ToByteSlice() nalUnitByteSlice := nalUnit.ToByteSlice()
fmt.Printf("len(nalUnitByteSlice): %v\n", len(nalUnitByteSlice))
for ii := range nalUnitByteSlice { for ii := range nalUnitByteSlice {
pesDataChan<-nalUnitByteSlice[ii] pesDataChan<-nalUnitByteSlice[ii]
} }
if nalFragment, isNALFragment := nalUnit.(*NALFragment); if nalFragment, isNALFragment := nalUnit.(*NALFragment);
(isNALFragment && nalFragment.End) || !isNALFragment { (isNALFragment && nalFragment.End) || !isNALFragment {
fmt.Printf("lenPesDataChan: %v\n",len(pesDataChan))
pesDataChanLen := len(pesDataChan) pesDataChanLen := len(pesDataChan)
pesPkt := new(PESPacket) pesPkt := new(PESPacket)
pesPkt.StreamID = 0xE0 pesPkt.StreamID = 0xE0
@ -99,11 +106,13 @@ func (c* rtpToTsConverter) Convert() {
} }
pesPktChan<-pesPkt.ToByteSlice() pesPktChan<-pesPkt.ToByteSlice()
} }
fmt.Println("done case2")
case pesPkt := <-pesPktChan: case pesPkt := <-pesPktChan:
fmt.Println("case3")
for ii:=range pesPkt { for ii:=range pesPkt {
payloadByteChan<-pesPkt[ii] payloadByteChan<-pesPkt[ii]
} }
fmt.Println("done loading")
firstPacket:=true firstPacket:=true
for len(payloadByteChan) > 0 { for len(payloadByteChan) > 0 {
lengthOfByteChan := len(payloadByteChan) lengthOfByteChan := len(payloadByteChan)
@ -141,6 +150,7 @@ func (c* rtpToTsConverter) Convert() {
} }
c.tsChan<-c.currentTsPacket c.tsChan<-c.currentTsPacket
} }
fmt.Println("done case3")
} }
} }
} }

View File

@ -31,15 +31,15 @@ package packets
import ( import (
//"bytes" //"bytes"
"fmt" "fmt"
_"io" "io"
_"log" "log"
_"net" "net"
"reflect" "reflect"
"testing" "testing"
"time" "time"
"math/rand" "math/rand"
_"github.com/beatgammit/rtsp" "github.com/beatgammit/rtsp"
) )
/******************************************************* /*******************************************************
@ -54,7 +54,6 @@ const (
/* Let's see if we can connect to an rtsp device then read an rtp stream, /* Let's see if we can connect to an rtsp device then read an rtp stream,
and then convert the rtp packets to mpegts packets and output. */ and then convert the rtp packets to mpegts packets and output. */
/*
func TestRTSP(t *testing.T) { func TestRTSP(t *testing.T) {
sess := rtsp.NewSession() sess := rtsp.NewSession()
res, err := sess.Options(rtspUrl) res, err := sess.Options(rtspUrl)
@ -146,7 +145,7 @@ func TestRTP(t *testing.T) {
fmt.Printf("RTP packet: %v\n", rtpPacket) fmt.Printf("RTP packet: %v\n", rtpPacket)
} }
} }
*/
/******************************************************* /*******************************************************
Testing stuff related to the Nal.go file Testing stuff related to the Nal.go file
@ -389,7 +388,7 @@ func TestRtpToTsConverter(t *testing.T){
rtpPacket1.Payload = make([]byte,100) rtpPacket1.Payload = make([]byte,100)
copy(rtpPacket1.Payload[:], nalFragment.ToByteSlice()) copy(rtpPacket1.Payload[:], nalFragment.ToByteSlice())
fmt.Println(rtpPacket1.Payload) fmt.Println(rtpPacket1.Payload)
converter.InputChan<-rtpPacket1 converter.InputChan<-(*rtpPacket1)
// Create second rtp packet // Create second rtp packet
rtpPacket2 := new(RtpPacket) rtpPacket2 := new(RtpPacket)
rtpPacket2.Version = 2 rtpPacket2.Version = 2
@ -417,7 +416,7 @@ func TestRtpToTsConverter(t *testing.T){
} }
rtpPacket2.Payload = make([]byte,200) rtpPacket2.Payload = make([]byte,200)
copy(rtpPacket2.Payload[:], nalFragment.ToByteSlice()) copy(rtpPacket2.Payload[:], nalFragment.ToByteSlice())
converter.InputChan<-rtpPacket2 converter.InputChan<-(*rtpPacket2)
// Create first expected tsPacket // Create first expected tsPacket
afField := make([]byte, 2) afField := make([]byte, 2)

View File

@ -288,10 +288,14 @@ func input(input string, output string) {
converter := packets.NewRtpToTsConverter() converter := packets.NewRtpToTsConverter()
go func(){ go func(){
for{ for{
converter.InputChan<-<-rtpSession.RtpChan select {
default:
case aPacket := <-rtpSession.RtpChan:
converter.InputChan<-aPacket
} }
} }
go converter.Convert(rtpSession) }()
go converter.Convert()
clipSize := 0 clipSize := 0
packetCount := 0 packetCount := 0
now := time.Now() now := time.Now()
@ -324,11 +328,11 @@ func input(input string, output string) {
ii++ ii++
} else { } else {
donePSI = true donePSI = true
fmt.Println("getting TS packet")
packet := <-converter.TsChan packet := <-converter.TsChan
packetByteSlice := packet.ToByteSlice() packetByteSlice := packet.ToByteSlice()
copy(clip[clipSize:upperBound],packetByteSlice) copy(clip[clipSize:upperBound],packetByteSlice)
} }
//fmt.Println(clip[clipSize:upperBound]) //fmt.Println(clip[clipSize:upperBound])
packetCount++ packetCount++
clipSize += mp2tPacketSize clipSize += mp2tPacketSize