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

View File

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

View File

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

View File

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

View File

@ -31,15 +31,15 @@ package packets
import (
//"bytes"
"fmt"
_"io"
_"log"
_"net"
"io"
"log"
"net"
"reflect"
"testing"
"time"
"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,
and then convert the rtp packets to mpegts packets and output. */
/*
func TestRTSP(t *testing.T) {
sess := rtsp.NewSession()
res, err := sess.Options(rtspUrl)
@ -146,7 +145,7 @@ func TestRTP(t *testing.T) {
fmt.Printf("RTP packet: %v\n", rtpPacket)
}
}
*/
/*******************************************************
Testing stuff related to the Nal.go file
@ -389,7 +388,7 @@ func TestRtpToTsConverter(t *testing.T){
rtpPacket1.Payload = make([]byte,100)
copy(rtpPacket1.Payload[:], nalFragment.ToByteSlice())
fmt.Println(rtpPacket1.Payload)
converter.InputChan<-rtpPacket1
converter.InputChan<-(*rtpPacket1)
// Create second rtp packet
rtpPacket2 := new(RtpPacket)
rtpPacket2.Version = 2
@ -417,7 +416,7 @@ func TestRtpToTsConverter(t *testing.T){
}
rtpPacket2.Payload = make([]byte,200)
copy(rtpPacket2.Payload[:], nalFragment.ToByteSlice())
converter.InputChan<-rtpPacket2
converter.InputChan<-(*rtpPacket2)
// Create first expected tsPacket
afField := make([]byte, 2)

View File

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