feat: Ignore the previously skipped segment for a duration

This is useful if you want to to go back and watch a segment.
Also fixes #18 occasional dupliated log lines.

docs/castsponsorskip.md

@@ -23,20 +23,21 @@ castsponsorskip [flags]
 ### Options
 
 ```
-      --action-types strings         SponsorBlock action types to handle. Shorter segments that overlap with content can be muted instead of skipped. (default [skip,mute])
-  -c, --categories strings           Comma-separated list of SponsorBlock categories to skip (default [sponsor])
-      --completion string            Output command-line completion code for the specified shell. Can be 'bash', 'zsh', 'fish', or 'powershell'.
-      --devices strings              Comma-separated list of device addresses. This will disable discovery and is not recommended unless discovery fails
-      --discover-interval duration   Interval to restart the DNS discovery client (default 5m0s)
-  -h, --help                         help for castsponsorskip
-      --log-level string             Log level (debug, info, warn, error) (default "info")
-      --mute-ads                     Mutes the device while an ad is playing (default true)
-  -i, --network-interface string     Network interface to use for multicast dns discovery. (default all interfaces)
-      --paused-interval duration     Interval to scan paused devices (default 1m0s)
-      --playing-interval duration    Interval to scan playing devices (default 500ms)
-      --skip-delay duration          Delay skipping the start of a segment
-      --skip-sponsors                Skip sponsored segments with SponsorBlock (default true)
-  -v, --version                      version for castsponsorskip
-      --youtube-api-key string       YouTube API key for fallback video identification (required on some Chromecast devices).
+      --action-types strings               SponsorBlock action types to handle. Shorter segments that overlap with content can be muted instead of skipped. (default [skip,mute])
+  -c, --categories strings                 Comma-separated list of SponsorBlock categories to skip (default [sponsor])
+      --completion string                  Output command-line completion code for the specified shell. Can be 'bash', 'zsh', 'fish', or 'powershell'.
+      --devices strings                    Comma-separated list of device addresses. This will disable discovery and is not recommended unless discovery fails
+      --discover-interval duration         Interval to restart the DNS discovery client (default 5m0s)
+  -h, --help                               help for castsponsorskip
+      --ignore-segment-duration duration   Ignores the previous sponsored segment for a set amount of time. Useful if you want to to go back and watch a segment. (default 1m0s)
+      --log-level string                   Log level (debug, info, warn, error) (default "info")
+      --mute-ads                           Mutes the device while an ad is playing (default true)
+  -i, --network-interface string           Network interface to use for multicast dns discovery. (default all interfaces)
+      --paused-interval duration           Interval to scan paused devices (default 1m0s)
+      --playing-interval duration          Interval to scan playing devices (default 500ms)
+      --skip-delay duration                Delay skipping the start of a segment
+      --skip-sponsors                      Skip sponsored segments with SponsorBlock (default true)
+  -v, --version                            version for castsponsorskip
+      --youtube-api-key string             YouTube API key for fallback video identification (required on some Chromecast devices).
 ```
 

internal/config/config.go

@@ -23,10 +23,11 @@ func Reset() {
 	Default = Config{
 		LogLevel: "info",
 
-		DiscoverInterval: 5 * time.Minute,
-		PausedInterval:   time.Minute,
-		PlayingInterval:  500 * time.Millisecond,
-		SkipDelay:        0,
+		DiscoverInterval:      5 * time.Minute,
+		PausedInterval:        time.Minute,
+		PlayingInterval:       500 * time.Millisecond,
+		SkipDelay:             0,
+		IgnoreSegmentDuration: time.Minute,
 
 		NetworkInterface: nil,
 
@@ -44,12 +45,13 @@ type Config struct {
 
 	LogLevel string `mapstructure:"log-level"`
 
-	DeviceAddrStrs   []string            `mapstructure:"devices"`
-	DeviceAddrs      []castdns.CastEntry `mapstructure:"-"`
-	DiscoverInterval time.Duration       `mapstructure:"discover-interval"`
-	PausedInterval   time.Duration       `mapstructure:"paused-interval"`
-	PlayingInterval  time.Duration       `mapstructure:"playing-interval"`
-	SkipDelay        time.Duration       `mapstructure:"skip-delay"`
+	DeviceAddrStrs        []string            `mapstructure:"devices"`
+	DeviceAddrs           []castdns.CastEntry `mapstructure:"-"`
+	DiscoverInterval      time.Duration       `mapstructure:"discover-interval"`
+	PausedInterval        time.Duration       `mapstructure:"paused-interval"`
+	PlayingInterval       time.Duration       `mapstructure:"playing-interval"`
+	SkipDelay             time.Duration       `mapstructure:"skip-delay"`
+	IgnoreSegmentDuration time.Duration       `mapstructure:"ignore-segment-duration"`
 
 	NetworkInterfaceName string `mapstructure:"network-interface"`
 	NetworkInterface     *net.Interface
@@ -71,6 +73,7 @@ func (c *Config) RegisterFlags(cmd *cobra.Command) {
 	c.RegisterPausedInterval(cmd)
 	c.RegisterPlayingInterval(cmd)
 	c.RegisterSkipDelay(cmd)
+	c.RegisterSegmentIgnore(cmd)
 	c.RegisterSkipSponsors(cmd)
 	c.RegisterCategories(cmd)
 	c.RegisterActionTypes(cmd)

internal/config/intervals.go

@@ -79,3 +79,16 @@ func (c *Config) RegisterSkipDelay(cmd *cobra.Command) {
 		panic(err)
 	}
 }
+
+func (c *Config) RegisterSegmentIgnore(cmd *cobra.Command) {
+	key := "ignore-segment-duration"
+	cmd.PersistentFlags().Duration(key, Default.IgnoreSegmentDuration, "Ignores the previous sponsored segment for a set amount of time. Useful if you want to to go back and watch a segment.")
+	if err := c.viper.BindPFlag(key, cmd.PersistentFlags().Lookup(key)); err != nil {
+		panic(err)
+	}
+	if err := cmd.RegisterFlagCompletionFunc(key, func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
+		return []string{"30s", "1m", "2m", "5m"}, cobra.ShellCompDirectiveNoFileComp | cobra.ShellCompDirectiveKeepOrder
+	}); err != nil {
+		panic(err)
+	}
+}

internal/device/watch.go

@@ -26,7 +26,8 @@ const (
 	StateIdle      = "IDLE"
 	StateAd        = 1081
 
-	NoMutedSegment = -1
+	NoMutedSegment   = -1
+	NoSkippedSegment = -1
 )
 
 var (
@@ -47,10 +48,12 @@ type Device struct {
 	tickInterval time.Duration
 	ticker       *time.Ticker
 
-	state          string
-	meta           VideoMeta
-	segments       []sponsorblock.Segment
-	mutedSegmentId int
+	state             string
+	meta              VideoMeta
+	segments          []sponsorblock.Segment
+	prevSegmentIdx    int
+	prevSegmentIgnore time.Time
+	mutedSegmentId    int
 }
 
 func NewDevice(entry castdns.CastEntry, opts ...Option) *Device {
@@ -85,6 +88,7 @@ func NewDevice(entry castdns.CastEntry, opts ...Option) *Device {
 		entry:          entry,
 		logger:         logger,
 		mutedSegmentId: NoMutedSegment,
+		prevSegmentIdx: NoSkippedSegment,
 	}
 
 	for _, opt := range opts {
@@ -201,6 +205,7 @@ func (d *Device) tick() error {
 
 		if d.meta.CurrVideoId != d.meta.PrevVideoId {
 			d.segments = nil
+			d.prevSegmentIdx = NoSkippedSegment
 			if d.meta.CurrVideoId != "" {
 				d.logger.Info("Detected video stream.", "video_id", d.meta.CurrVideoId)
 				d.meta.PrevVideoId = d.meta.CurrVideoId
@@ -304,6 +309,7 @@ func (d *Device) onMessage(msg *api.CastMessage) {
 	case "CLOSE":
 		d.unmuteSegment()
 		d.segments = nil
+		d.prevSegmentIdx = NoSkippedSegment
 		d.meta.Clear()
 	}
 }
@@ -337,6 +343,7 @@ func (d *Device) queryVideoId() {
 	d.meta.PrevTitle = d.meta.CurrTitle
 	d.unmuteSegment()
 	d.segments = nil
+	d.prevSegmentIdx = NoSkippedSegment
 
 	if config.Default.YouTubeAPIKey == "" {
 		d.logger.Error("Video ID not set. Please configure a YouTube API key.")
@@ -393,12 +400,22 @@ func (d *Device) handleSegment(castMedia *cast.Media, castVol *cast.Volume, segm
 	to := time.Duration(segment.Segment[1]) * time.Second
 	switch segment.ActionType {
 	case sponsorblock.ActionTypeSkip:
+		if i == d.prevSegmentIdx {
+			if now := time.Now(); now.Before(d.prevSegmentIgnore) {
+				d.logger.Debug("Ignoring segment.", "category", segment.Category, "from", from, "to", to, "until", d.prevSegmentIgnore.Truncate(time.Second).String())
+				d.prevSegmentIgnore = now.Add(config.Default.IgnoreSegmentDuration)
+				return
+			}
+		}
+
 		d.logger.Info("Skipping to timestamp.", "category", segment.Category, "from", from, "to", to)
 		// Cast API seems to ignore decimals, so add 100ms to seek time in case sponsorship ends at 0.9 seconds.
 		if err := d.app.SeekToTime(segment.Segment[1] + 0.1); err != nil {
 			d.logger.Warn("Failed to seek to timestamp.", "to", segment.Segment[1], "error", err.Error())
 		}
 		castMedia.CurrentTime = segment.Segment[1]
+		d.prevSegmentIdx = i
+		d.prevSegmentIgnore = time.Now().Add(config.Default.IgnoreSegmentDuration)
 	case sponsorblock.ActionTypeMute:
 		if !castVol.Muted || i != d.mutedSegmentId {
 			d.logger.Info("Mute segment.", "category", segment.Category, "from", from, "to", to)