/
staticrelay.go
181 lines (148 loc) · 3.9 KB
/
staticrelay.go
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package rtmprelay
import (
"fmt"
"sync"
"github.com/gwuhaolin/livego/av"
"github.com/gwuhaolin/livego/configure"
"github.com/gwuhaolin/livego/protocol/rtmp/core"
log "github.com/sirupsen/logrus"
)
type StaticPush struct {
RtmpUrl string
packet_chan chan *av.Packet
sndctrl_chan chan string
connectClient *core.ConnClient
startflag bool
}
var G_StaticPushMap = make(map[string](*StaticPush))
var g_MapLock = new(sync.RWMutex)
var (
STATIC_RELAY_STOP_CTRL = "STATIC_RTMPRELAY_STOP"
)
func GetStaticPushList(appname string) ([]string, error) {
pushurlList, ok := configure.GetStaticPushUrlList(appname)
if !ok {
return nil, fmt.Errorf("no static push url")
}
return pushurlList, nil
}
func GetAndCreateStaticPushObject(rtmpurl string) *StaticPush {
g_MapLock.RLock()
staticpush, ok := G_StaticPushMap[rtmpurl]
log.Debugf("GetAndCreateStaticPushObject: %s, return %v", rtmpurl, ok)
if !ok {
g_MapLock.RUnlock()
newStaticpush := NewStaticPush(rtmpurl)
g_MapLock.Lock()
G_StaticPushMap[rtmpurl] = newStaticpush
g_MapLock.Unlock()
return newStaticpush
}
g_MapLock.RUnlock()
return staticpush
}
func GetStaticPushObject(rtmpurl string) (*StaticPush, error) {
g_MapLock.RLock()
if staticpush, ok := G_StaticPushMap[rtmpurl]; ok {
g_MapLock.RUnlock()
return staticpush, nil
}
g_MapLock.RUnlock()
return nil, fmt.Errorf("G_StaticPushMap[%s] not exist....", rtmpurl)
}
func ReleaseStaticPushObject(rtmpurl string) {
g_MapLock.RLock()
if _, ok := G_StaticPushMap[rtmpurl]; ok {
g_MapLock.RUnlock()
log.Debugf("ReleaseStaticPushObject %s ok", rtmpurl)
g_MapLock.Lock()
delete(G_StaticPushMap, rtmpurl)
g_MapLock.Unlock()
} else {
g_MapLock.RUnlock()
log.Debugf("ReleaseStaticPushObject: not find %s", rtmpurl)
}
}
func NewStaticPush(rtmpurl string) *StaticPush {
return &StaticPush{
RtmpUrl: rtmpurl,
packet_chan: make(chan *av.Packet, 500),
sndctrl_chan: make(chan string),
connectClient: nil,
startflag: false,
}
}
func (self *StaticPush) Start() error {
if self.startflag {
return fmt.Errorf("StaticPush already start %s", self.RtmpUrl)
}
self.connectClient = core.NewConnClient()
log.Debugf("static publish server addr:%v starting....", self.RtmpUrl)
err := self.connectClient.Start(self.RtmpUrl, "publish")
if err != nil {
log.Debugf("connectClient.Start url=%v error", self.RtmpUrl)
return err
}
log.Debugf("static publish server addr:%v started, streamid=%d", self.RtmpUrl, self.connectClient.GetStreamId())
go self.HandleAvPacket()
self.startflag = true
return nil
}
func (self *StaticPush) Stop() {
if !self.startflag {
return
}
log.Debugf("StaticPush Stop: %s", self.RtmpUrl)
self.sndctrl_chan <- STATIC_RELAY_STOP_CTRL
self.startflag = false
}
func (self *StaticPush) WriteAvPacket(packet *av.Packet) {
if !self.startflag {
return
}
self.packet_chan <- packet
}
func (self *StaticPush) sendPacket(p *av.Packet) {
if !self.startflag {
return
}
var cs core.ChunkStream
cs.Data = p.Data
cs.Length = uint32(len(p.Data))
cs.StreamID = self.connectClient.GetStreamId()
cs.Timestamp = p.TimeStamp
//cs.Timestamp += v.BaseTimeStamp()
//log.Printf("Static sendPacket: rtmpurl=%s, length=%d, streamid=%d",
// self.RtmpUrl, len(p.Data), cs.StreamID)
if p.IsVideo {
cs.TypeID = av.TAG_VIDEO
} else {
if p.IsMetadata {
cs.TypeID = av.TAG_SCRIPTDATAAMF0
} else {
cs.TypeID = av.TAG_AUDIO
}
}
self.connectClient.Write(cs)
}
func (self *StaticPush) HandleAvPacket() {
if !self.IsStart() {
log.Debugf("static push %s not started", self.RtmpUrl)
return
}
for {
select {
case packet := <-self.packet_chan:
self.sendPacket(packet)
case ctrlcmd := <-self.sndctrl_chan:
if ctrlcmd == STATIC_RELAY_STOP_CTRL {
self.connectClient.Close(nil)
log.Debugf("Static HandleAvPacket close: publishurl=%s", self.RtmpUrl)
break
}
}
}
}
func (self *StaticPush) IsStart() bool {
return self.startflag
}