Throttle player view rebuilds after video load

main.go

@@ -163,46 +163,47 @@ func (c convertConfig) CoverLabel() string {
 }
 
 type appState struct {
-	window              fyne.Window
-	active              string
-	lastModule          string
-	source              *videoSource
-	loadedVideos        []*videoSource // Multiple loaded videos for navigation
-	currentIndex        int            // Current video index in loadedVideos
-	anim                *previewAnimator
-	convert             convertConfig
-	currentFrame        string
-	player              player.Controller
-	playerReady         bool
-	playerVolume        float64
-	playerMuted         bool
-	lastVolume          float64
-	playerPaused        bool
-	playerPos           float64
-	playerLast          time.Time
-	compareSess1        *playSession
-	compareSess2        *playSession
-	lastSourcePath      string
-	playerViewSource    string
-	renderingPlayerView bool
-	progressQuit        chan struct{}
-	convertCancel       context.CancelFunc
-	playerSurf          *playerSurface
-	convertBusy         bool
-	convertStatus       string
-	convertActiveIn     string
-	convertActiveOut    string
-	convertProgress     float64
-	playSess            *playSession
-	jobQueue            *queue.Queue
-	statsBar            *ui.ConversionStatsBar
-	queueBtn            *widget.Button
-	queueScroll         *container.Scroll
-	queueOffset         fyne.Position
-	compareFile1        *videoSource
-	compareFile2        *videoSource
-	keyframingMode      bool // Toggle for frame-accurate editing features
-	isFullscreen        bool // Fullscreen mode state
+	window                  fyne.Window
+	active                  string
+	lastModule              string
+	source                  *videoSource
+	loadedVideos            []*videoSource // Multiple loaded videos for navigation
+	currentIndex            int            // Current video index in loadedVideos
+	anim                    *previewAnimator
+	convert                 convertConfig
+	currentFrame            string
+	player                  player.Controller
+	playerReady             bool
+	playerVolume            float64
+	playerMuted             bool
+	lastVolume              float64
+	playerPaused            bool
+	playerPos               float64
+	playerLast              time.Time
+	compareSess1            *playSession
+	compareSess2            *playSession
+	lastSourcePath          string
+	playerViewSource        string
+	renderingPlayerView     bool
+	playerViewRefreshNeeded bool
+	progressQuit            chan struct{}
+	convertCancel           context.CancelFunc
+	playerSurf              *playerSurface
+	convertBusy             bool
+	convertStatus           string
+	convertActiveIn         string
+	convertActiveOut        string
+	convertProgress         float64
+	playSess                *playSession
+	jobQueue                *queue.Queue
+	statsBar                *ui.ConversionStatsBar
+	queueBtn                *widget.Button
+	queueScroll             *container.Scroll
+	queueOffset             fyne.Position
+	compareFile1            *videoSource
+	compareFile2            *videoSource
+	keyframingMode          bool // Toggle for frame-accurate editing features
+	isFullscreen            bool // Fullscreen mode state
 }
 
 func (s *appState) stopPreview() {
@@ -419,6 +420,7 @@ func (s *appState) showErrorWithCopy(title string, err error) {
 func (s *appState) showMainMenu() {
 	fmt.Printf("🎬 showMainMenu called - going to player view\n")
 	// Minimal entry point: go straight to the player view.
+	s.playerViewRefreshNeeded = true
 	s.showPlayerView()
 }
 
@@ -591,10 +593,11 @@ func (s *appState) showPlayerView() {
 	if s.source != nil {
 		currentPath = s.source.Path
 	}
-	if s.active == "player" && s.source != nil && s.playerViewSource == currentPath {
+	if !s.playerViewRefreshNeeded && s.active == "player" && s.source != nil && s.playerViewSource == currentPath {
 		fmt.Printf("📺 already in player view for this source; skipping rebuild\n")
 		return
 	}
+	s.playerViewRefreshNeeded = false
 	// Do not stop the player; only clear compare previews.
 	s.stopCompareSessions()
 	s.active = "player"
@@ -4505,6 +4508,7 @@ func (s *appState) loadVideo(path string) {
 	logging.Debug(logging.CatModule, "video loaded %+v", src)
 	fmt.Printf("🔄 Switching to player view...\n")
 	fyne.CurrentApp().Driver().DoFromGoroutine(func() {
+		s.playerViewRefreshNeeded = true
 		s.switchToVideo(s.currentIndex)
 		s.showPlayerView()
 	}, false)
@@ -4525,6 +4529,7 @@ func (s *appState) clearVideo() {
 	s.convert.OutputAspect = "Source"
 	s.lastSourcePath = ""
 	s.playerViewSource = ""
+	s.playerViewRefreshNeeded = true
 	fyne.CurrentApp().Driver().DoFromGoroutine(func() {
 		s.showPlayerView()
 	}, false)
@@ -4630,6 +4635,7 @@ func (s *appState) loadVideos(paths []string) {
 		s.loadedVideos = loaded
 		s.currentIndex = 0
 		fyne.Do(func() {
+			s.playerViewRefreshNeeded = true
 			s.switchToVideo(0)
 			s.showPlayerView()
 		})