owncast/core/rtmp/rtmp.go
2020-07-12 09:52:54 -07:00

83 lines
1.8 KiB
Go

package rtmp
import (
"os"
"strings"
"syscall"
"github.com/Seize/joy4/av/avutil"
"github.com/Seize/joy4/format/ts"
log "github.com/sirupsen/logrus"
"github.com/gabek/owncast/config"
"github.com/gabek/owncast/core"
"github.com/gabek/owncast/core/ffmpeg"
"github.com/gabek/owncast/utils"
"github.com/Seize/joy4/format"
"github.com/Seize/joy4/format/rtmp"
)
var (
//IsConnected whether there is a connection or not
_isConnected = false
)
func init() {
format.RegisterAll()
}
//Start starts the rtmp service, listening on port 1935
func Start() {
port := 1935
server := &rtmp.Server{}
server.HandlePublish = handlePublish
error := server.ListenAndServe()
if error != nil {
log.Panicln(error)
}
log.Printf("RTMP server is listening for incoming stream on port: %d", port)
}
func handlePublish(conn *rtmp.Conn) {
// Commented out temporarily because I have no way to set _isConnected to false after RTMP is closed.
// if _isConnected {
// log.Errorln("stream already running; can not overtake an existing stream")
// conn.Close()
// return
// }
streamingKeyComponents := strings.Split(conn.URL.Path, "/")
streamingKey := streamingKeyComponents[len(streamingKeyComponents)-1]
if streamingKey != config.Config.VideoSettings.StreamingKey {
log.Errorln("invalid streaming key; rejecting incoming stream")
conn.Close()
return
}
pipePath := utils.GetTemporaryPipePath()
syscall.Mkfifo(pipePath, 0666)
transcoder := ffmpeg.NewTranscoder()
go transcoder.Start()
_isConnected = true
core.SetStreamAsConnected()
f, err := os.OpenFile(pipePath, os.O_WRONLY, os.ModeNamedPipe)
if err != nil {
panic(err)
}
muxer := ts.NewMuxer(f)
avutil.CopyFile(muxer, conn)
}
//IsConnected gets whether there is an rtmp connection or not
//this is only a getter since it is controlled by the rtmp handler
func IsConnected() bool {
return _isConnected
}