102 lines
2.3 KiB
Go
102 lines
2.3 KiB
Go
package main
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import (
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"sync"
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"fmt"
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"time"
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"github.com/nareix/joy4/format"
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"github.com/nareix/joy4/av/avutil"
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"github.com/nareix/joy4/av/pubsub"
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"github.com/nareix/joy4/av/pktque"
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"github.com/nareix/joy4/format/rtmp"
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)
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func init() {
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format.RegisterAll()
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}
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func main() {
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server := &rtmp.Server{}
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l := &sync.RWMutex{}
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type Channel struct {
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que *pubsub.Queue
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}
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channels := map[string]*Channel{}
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server.HandlePlay = func(conn *rtmp.Conn) {
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l.RLock()
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ch := channels[conn.URL.Path]
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l.RUnlock()
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if ch != nil {
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cursor := ch.que.Latest()
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query := conn.URL.Query()
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if q := query.Get("delaygop"); q != "" {
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n := 0
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fmt.Sscanf(q, "%d", &n)
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cursor = ch.que.DelayedGopCount(n)
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} else if q := query.Get("delaytime"); q != "" {
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dur, _ := time.ParseDuration(q)
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cursor = ch.que.DelayedTime(dur)
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}
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filters := pktque.Filters{}
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if q := query.Get("waitkey"); q != "" {
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filters = append(filters, &pktque.WaitKeyFrame{})
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}
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filters = append(filters, &pktque.FixTime{StartFromZero: true})
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demuxer := &pktque.FilterDemuxer{
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Filter: filters,
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Demuxer: cursor,
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}
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avutil.CopyFile(conn, demuxer)
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}
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}
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server.HandlePublish = func(conn *rtmp.Conn) {
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streams, _ := conn.Streams()
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l.Lock()
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ch := channels[conn.URL.Path]
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if ch == nil {
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ch = &Channel{}
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ch.que = pubsub.NewQueue(streams)
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query := conn.URL.Query()
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if q := query.Get("cachetime"); q != "" {
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dur, _ := time.ParseDuration(q)
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ch.que.SetMaxDuration(dur)
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}
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channels[conn.URL.Path] = ch
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} else {
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ch = nil
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}
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l.Unlock()
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if ch == nil {
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return
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}
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avutil.CopyPackets(ch.que, conn)
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l.Lock()
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delete(channels, conn.URL.Path)
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l.Unlock()
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ch.que.Close()
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}
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server.ListenAndServe()
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// ffmpeg -re -i movie.flv -c copy -f flv rtmp://localhost/movie
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// ffmpeg -f avfoundation -i "0:0" .... -f flv rtmp://localhost/screen
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// with cache size options
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// ffplay rtmp://localhost/movie
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// ffplay rtmp://localhost/screen
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// ffplay rtmp://localhost/movie?delaytime=5s
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// ffplay rtmp://localhost/movie?delaytime=10s&waitkey=true
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// ffplay rtmp://localhost/movie?delaytime=20s
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// ffmpeg -re -i movie.flv -c copy -f flv rtmp://localhost/movie?cachetime=30s
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// ffmpeg -re -i movie.flv -c copy -f flv rtmp://localhost/movie?cachetime=1m
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}
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