generation-aware playlist readiness

2026-09-01 20:05:00 +03:00
parent b160e3aba2
commit 532e03ffca
4 changed files with 349 additions and 0 deletions
@@ -8,6 +8,19 @@ type StatusStore struct {
 	statuses   map[Unit]Status
 }

+type PlaybackStatusSnapshot struct {
+	Generation uint64
+
+	Video    Status
+	HasVideo bool
+
+	Audio    Status
+	HasAudio bool
+
+	Sync    Status
+	HasSync bool
+}
+
 func NewStatusStore() *StatusStore {
 	return &StatusStore{
 		statuses: make(map[Unit]Status),
@@ -34,6 +47,17 @@ func (s *StatusStore) Snapshot(unit Unit) (Status, bool) {
 	return status, ok
 }

+func (s *StatusStore) SnapshotAll() PlaybackStatusSnapshot {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+
+	snapshot := PlaybackStatusSnapshot{Generation: s.generation}
+	snapshot.Video, snapshot.HasVideo = s.statuses[UnitVideo]
+	snapshot.Audio, snapshot.HasAudio = s.statuses[UnitAudio]
+	snapshot.Sync, snapshot.HasSync = s.statuses[UnitSync]
+	return snapshot
+}
+
 func (s *StatusStore) Clear(unit Unit) {
 	s.mu.Lock()
 	delete(s.statuses, unit)