140 lines
3.5 KiB
Go
140 lines
3.5 KiB
Go
package core
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import (
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"os"
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"path"
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"path/filepath"
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log "github.com/sirupsen/logrus"
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"github.com/owncast/owncast/config"
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"github.com/owncast/owncast/core/chat"
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"github.com/owncast/owncast/core/data"
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"github.com/owncast/owncast/core/rtmp"
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"github.com/owncast/owncast/core/transcoder"
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"github.com/owncast/owncast/models"
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"github.com/owncast/owncast/utils"
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"github.com/owncast/owncast/yp"
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)
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var (
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_stats *models.Stats
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_storage models.StorageProvider
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_transcoder *transcoder.Transcoder
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_yp *yp.YP
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_broadcaster *models.Broadcaster
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)
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var handler transcoder.HLSHandler
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var fileWriter = transcoder.FileWriterReceiverService{}
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// Start starts up the core processing.
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func Start() error {
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resetDirectories()
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data.PopulateDefaults()
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// Once a couple versions pass we can remove the old data migrators.
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data.RunMigrations()
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if err := data.VerifySettings(); err != nil {
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log.Error(err)
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return err
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}
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if err := setupStats(); err != nil {
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log.Error("failed to setup the stats")
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return err
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}
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// The HLS handler takes the written HLS playlists and segments
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// and makes storage decisions. It's rather simple right now
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// but will play more useful when recordings come into play.
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handler = transcoder.HLSHandler{}
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if err := setupStorage(); err != nil {
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log.Errorln("storage error", err)
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}
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fileWriter.SetupFileWriterReceiverService(&handler)
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if err := createInitialOfflineState(); err != nil {
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log.Error("failed to create the initial offline state")
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return err
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}
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_yp = yp.NewYP(GetStatus)
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chat.Setup(ChatListenerImpl{})
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// start the rtmp server
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go rtmp.Start(setStreamAsConnected, setBroadcaster)
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rtmpPort := data.GetRTMPPortNumber()
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log.Infof("RTMP is accepting inbound streams on port %d.", rtmpPort)
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return nil
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}
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func createInitialOfflineState() error {
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// Provide default files
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if !utils.DoesFileExists(filepath.Join(config.WebRoot, "thumbnail.jpg")) {
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if err := utils.Copy("static/logo.png", filepath.Join(config.WebRoot, "thumbnail.jpg")); err != nil {
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return err
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}
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}
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transitionToOfflineVideoStreamContent()
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return nil
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}
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// transitionToOfflineVideoStreamContent will overwrite the current stream with the
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// offline video stream state only. No live stream HLS segments will continue to be
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// referenced.
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func transitionToOfflineVideoStreamContent() {
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log.Traceln("Firing transcoder with offline stream state")
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offlineFilename := "offline.ts"
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offlineFilePath := "static/" + offlineFilename
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_transcoder := transcoder.NewTranscoder()
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_transcoder.SetInput(offlineFilePath)
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_transcoder.SetIdentifier("offline")
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_transcoder.Start()
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// Copy the logo to be the thumbnail
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logo := data.GetLogoPath()
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err := utils.Copy(filepath.Join("data", logo), "webroot/thumbnail.jpg")
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if err != nil {
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log.Warnln(err)
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}
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// Delete the preview Gif
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os.Remove(path.Join(config.WebRoot, "preview.gif"))
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}
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func resetDirectories() {
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log.Trace("Resetting file directories to a clean slate.")
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// Wipe the public, web-accessible hls data directory
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os.RemoveAll(config.PublicHLSStoragePath)
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os.RemoveAll(config.PrivateHLSStoragePath)
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err := os.MkdirAll(config.PublicHLSStoragePath, 0777)
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if err != nil {
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log.Fatalln(err)
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}
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err = os.MkdirAll(config.PrivateHLSStoragePath, 0777)
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if err != nil {
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log.Fatalln(err)
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}
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// Remove the previous thumbnail
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logo := data.GetLogoPath()
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if utils.DoesFileExists(logo) {
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err = utils.Copy(path.Join("data", logo), filepath.Join(config.WebRoot, "thumbnail.jpg"))
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if err != nil {
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log.Warnln(err)
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}
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}
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}
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