Make setting the segment length optional

config-example.yaml

@@ -31,7 +31,6 @@ instanceDetails:
       url: http://soundcloud.com/owncast
 
 videoSettings:
-  chunkLengthInSeconds: 4
   streamingKey: abc123
   offlineContent: static/offline.m4v # Is displayed when a stream ends
 

config/config.go

@@ -155,6 +155,15 @@ func (c *config) GetFFMpegPath() string {
 	return path
 }
 
+func (c *config) GetVideoSegmentSecondsLength() int {
+	if c.VideoSettings.ChunkLengthInSeconds != 0 {
+		return c.VideoSettings.ChunkLengthInSeconds
+	}
+
+	// Default
+	return 4
+}
+
 //Load tries to load the configuration file
 func Load(filePath string, versionInfo string) error {
 	Config = new(config)

core/ffmpeg/transcoder.go

@@ -190,7 +190,7 @@ func NewTranscoder() Transcoder {
 	transcoder.playlistOutputPath = config.Config.PublicHLSPath
 
 	transcoder.input = utils.GetTemporaryPipePath()
-	transcoder.segmentLengthSeconds = config.Config.VideoSettings.ChunkLengthInSeconds
+	transcoder.segmentLengthSeconds = config.Config.GetVideoSegmentSecondsLength()
 
 	qualities := config.Config.VideoSettings.StreamQualities
 	if len(qualities) == 0 {