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lal/app/demo/pullrtsp/pullrtsp.go

110 lines
2.5 KiB
Go

// Copyright 2020, Chef. All rights reserved.
// https://github.com/q191201771/lal
//
// Use of this source code is governed by a MIT-style license
// that can be found in the License file.
//
// Author: Chef (191201771@qq.com)
package main
import (
"flag"
"fmt"
"os"
"time"
"github.com/q191201771/lal/pkg/base"
"github.com/q191201771/lal/pkg/httpflv"
"github.com/q191201771/lal/pkg/remux"
"github.com/q191201771/lal/pkg/rtprtcp"
"github.com/q191201771/lal/pkg/rtsp"
"github.com/q191201771/naza/pkg/nazalog"
)
var fileWriter httpflv.FLVFileWriter
type Observer struct {
}
func (o *Observer) OnRTPPacket(pkt rtprtcp.RTPPacket) {
// noop
}
func (o *Observer) OnAVConfig(asc, vps, sps, pps []byte) {
metadata, ash, vsh, err := remux.AVConfig2FLVTag(asc, vps, sps, pps)
nazalog.Assert(nil, err)
err = fileWriter.WriteTag(*metadata)
nazalog.Assert(nil, err)
if ash != nil {
err = fileWriter.WriteTag(*ash)
nazalog.Assert(nil, err)
}
if vsh != nil {
err = fileWriter.WriteTag(*vsh)
nazalog.Assert(nil, err)
}
}
func (o *Observer) OnAVPacket(pkt base.AVPacket) {
tag, err := remux.AVPacket2FLVTag(pkt)
nazalog.Assert(nil, err)
err = fileWriter.WriteTag(tag)
nazalog.Assert(nil, err)
}
func main() {
_ = nazalog.Init(func(option *nazalog.Option) {
option.AssertBehavior = nazalog.AssertFatal
})
defer nazalog.Sync()
inURL, outFilename, overTCP := parseFlag()
err := fileWriter.Open(outFilename)
nazalog.Assert(nil, err)
defer fileWriter.Dispose()
err = fileWriter.WriteRaw(httpflv.FLVHeader)
nazalog.Assert(nil, err)
o := &Observer{}
pullSession := rtsp.NewPullSession(o, func(option *rtsp.PullSessionOption) {
option.PullTimeoutMS = 5000
option.OverTCP = overTCP != 0
})
err = pullSession.Pull(inURL)
nazalog.Assert(nil, err)
defer pullSession.Dispose()
go func() {
for {
pullSession.UpdateStat(1)
nazalog.Debugf("stat. pull=%+v", pullSession.GetStat())
time.Sleep(1 * time.Second)
}
}()
err = <-pullSession.WaitChan()
nazalog.Infof("< pullSession.Wait(). err=%+v", err)
}
func parseFlag() (inURL string, outFilename string, overTCP int) {
i := flag.String("i", "", "specify pull rtsp url")
o := flag.String("o", "", "specify ouput flv file")
t := flag.Int("t", 0, "specify interleaved mode(rtp/rtcp over tcp)")
flag.Parse()
if *i == "" || *o == "" {
flag.Usage()
_, _ = fmt.Fprintf(os.Stderr, `Example:
%s -i rtsp://localhost:5544/live/test110 -o out.flv -t 0
%s -i rtsp://localhost:5544/live/test110 -o out.flv -t 1
`, os.Args[0], os.Args[0])
base.OSExitAndWaitPressIfWindows(1)
}
return *i, *o, *t
}