Update latency level values

core/data/config.go

@@ -394,8 +394,10 @@ func SetS3StorageEnabled(enabled bool) error {
 // GetStreamLatencyLevel will return the stream latency level.
 func GetStreamLatencyLevel() models.LatencyLevel {
 	level, err := _datastore.GetNumber(videoLatencyLevel)
-	if err != nil || level == 0 {
-		level = 4
+	if err != nil {
+		level = 2 // default
+	} else if level > 4 {
+		level = 4 // highest
 	}
 
 	return models.GetLatencyLevel(int(level))

core/data/migrator.go

@@ -154,21 +154,21 @@ func migrateConfigFile() {
 	_ = SetStreamOutputVariants(variants)
 
 	// Migrate latency level
-	level := 4
+	level := 2
 	oldSegmentLength := oldConfig.VideoSettings.ChunkLengthInSeconds
 	oldNumberOfSegments := oldConfig.Files.MaxNumberInPlaylist
 	latencyLevels := models.GetLatencyConfigs()
 
-	if oldSegmentLength == latencyLevels[1].SecondsPerSegment && oldNumberOfSegments == latencyLevels[1].SegmentCount {
+	if oldSegmentLength == latencyLevels[0].SecondsPerSegment && oldNumberOfSegments == latencyLevels[0].SegmentCount {
+		level = 0
+	} else if oldSegmentLength == latencyLevels[1].SecondsPerSegment && oldNumberOfSegments == latencyLevels[2].SegmentCount {
 		level = 1
 	} else if oldSegmentLength == latencyLevels[2].SecondsPerSegment && oldNumberOfSegments == latencyLevels[2].SegmentCount {
 		level = 2
 	} else if oldSegmentLength == latencyLevels[3].SecondsPerSegment && oldNumberOfSegments == latencyLevels[3].SegmentCount {
 		level = 3
-	} else if oldSegmentLength == latencyLevels[5].SecondsPerSegment && oldNumberOfSegments == latencyLevels[5].SegmentCount {
-		level = 5
-	} else if oldSegmentLength >= latencyLevels[6].SecondsPerSegment && oldNumberOfSegments >= latencyLevels[6].SegmentCount {
-		level = 6
+	} else if oldSegmentLength >= latencyLevels[4].SecondsPerSegment && oldNumberOfSegments >= latencyLevels[4].SegmentCount {
+		level = 4
 	}
 
 	_ = SetStreamLatencyLevel(float64(level))

models/latencyLevels.go

@@ -10,12 +10,11 @@ type LatencyLevel struct {
 // GetLatencyConfigs will return the available latency level options.
 func GetLatencyConfigs() map[int]LatencyLevel {
 	return map[int]LatencyLevel{
-		1: {Level: 1, SecondsPerSegment: 1, SegmentCount: 2},
-		2: {Level: 2, SecondsPerSegment: 2, SegmentCount: 2},
-		3: {Level: 3, SecondsPerSegment: 2, SegmentCount: 3},
-		4: {Level: 4, SecondsPerSegment: 3, SegmentCount: 4}, // Default
-		5: {Level: 5, SecondsPerSegment: 4, SegmentCount: 5},
-		6: {Level: 6, SecondsPerSegment: 6, SegmentCount: 10},
+		0: {Level: 0, SecondsPerSegment: 1, SegmentCount: 3}, // Approx 5 seconds
+		1: {Level: 1, SecondsPerSegment: 2, SegmentCount: 2}, // Approx 7-8 seconds
+		2: {Level: 2, SecondsPerSegment: 3, SegmentCount: 3}, // Default Approx 11 seconds
+		3: {Level: 3, SecondsPerSegment: 4, SegmentCount: 3}, // Approx 15 seconds
+		4: {Level: 4, SecondsPerSegment: 5, SegmentCount: 4}, // Approx 18 seconds
 	}
 }