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// Copyright 2020, Chef. All rights reserved.
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// https://github.com/q191201771/lal
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//
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// Use of this source code is governed by a MIT-style license
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// that can be found in the License file.
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//
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// Author: Chef (191201771@qq.com)
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package main
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import (
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"flag"
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"fmt"
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"os"
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"time"
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"github.com/q191201771/lal/pkg/base"
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"github.com/q191201771/lal/pkg/rtprtcp"
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"github.com/q191201771/lal/pkg/rtsp"
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"github.com/q191201771/naza/pkg/nazalog"
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)
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var rtpPacketChan = make(chan rtprtcp.RTPPacket, 1024)
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type Observer struct {
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}
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func (o *Observer) OnRTPPacket(pkt rtprtcp.RTPPacket) {
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rtpPacketChan <- pkt
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}
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func (o *Observer) OnAVConfig(asc, vps, sps, pps []byte) {
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// noop
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}
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func (o *Observer) OnAVPacket(pkt base.AVPacket) {
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// noop
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}
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func main() {
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_ = nazalog.Init(func(option *nazalog.Option) {
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option.AssertBehavior = nazalog.AssertFatal
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})
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inURL, outURL, pullOverTCP, pushOverTCP := parseFlag()
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o := &Observer{}
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rtspPullSession := rtsp.NewPullSession(o, func(option *rtsp.PullSessionOption) {
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option.PullTimeoutMS = 5000
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option.OverTCP = pullOverTCP != 0
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})
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rtspPushSession := rtsp.NewPushSession(func(option *rtsp.PushSessionOption) {
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option.PushTimeoutMS = 5000
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option.OverTCP = pushOverTCP != 0
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})
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go func() {
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time.Sleep(3 * time.Second)
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for {
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rtspPullSession.UpdateStat(1)
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pullStat := rtspPullSession.GetStat()
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rtspPushSession.UpdateStat(1)
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pushStat := rtspPushSession.GetStat()
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nazalog.Debugf("stat. pull=%+v, push=%+v", pullStat, pushStat)
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time.Sleep(1 * time.Second)
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}
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}()
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err := rtspPullSession.Pull(inURL)
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nazalog.Assert(nil, err)
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defer rtspPullSession.Dispose()
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rawSDP, sdpLogicCtx := rtspPullSession.GetSDP()
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err = rtspPushSession.Push(outURL, rawSDP, sdpLogicCtx)
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nazalog.Assert(nil, err)
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defer rtspPushSession.Dispose()
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// 只是为了测试主动关闭session
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//go func() {
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// time.Sleep(5 * time.Second)
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// rtspPullSession.Dispose()
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//}()
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for {
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select {
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case err = <-rtspPullSession.Wait():
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nazalog.Infof("< pullSession.Wait(). err=%+v", err)
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time.Sleep(1 * time.Second) // 不让程序立即退出，只是为了测试session内部资源是否正常及时释放
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return
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case err = <-rtspPushSession.Wait():
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nazalog.Infof("< pushSession.Wait(). err=%+v", err)
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time.Sleep(1 * time.Second)
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return
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case pkt := <-rtpPacketChan:
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rtspPushSession.WriteRTPPacket(pkt)
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}
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}
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}
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func parseFlag() (inURL string, outURL string, pullOverTCP int, pushOverTCP int) {
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i := flag.String("i", "", "specify pull rtsp url")
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o := flag.String("o", "", "specify push rtmp url")
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t := flag.Int("t", 0, "specify pull interleaved mode(rtp/rtcp over tcp)")
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y := flag.Int("y", 0, "specify push interleaved mode(rtp/rtcp over tcp)")
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flag.Parse()
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if *i == "" || *o == "" {
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flag.Usage()
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_, _ = fmt.Fprintf(os.Stderr, `Example:
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./bin/pullrtsp2pushrtsp -i rtsp://localhost:5544/live/test110 -o rtsp://localhost:5544/live/test220
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./bin/pullrtsp2pushrtsp -i rtsp://localhost:5544/live/test110 -o rtsp://localhost:5544/live/test220 -t 1 -y 1
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`)
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os.Exit(1)
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}
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return *i, *o, *t, *y
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}
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