* Adding Keyframe checkbox to Settings menu as "Use keyframes for preview images" option (default enabled)

* Adding preview time slider to overlay at bottom of preview image
* Adding time display next to preview slider in H:MM:SS format

Author: cdgriffith

CHANGES

@@ -2,15 +2,18 @@
 
 ## Version 5.13.0
 
+* Adding Keyframe checkbox to Settings menu as "Use keyframes for preview images" option (default enabled)
+* Adding preview time slider to overlay at bottom of preview image
+* Adding time display next to preview slider in H:MM:SS format
 * Adding #712 audio profile title options: No Title, Generate Title, and Custom Title
-* Adding Start/End Time tab to right-side options panel between Size and Crop tabs with compact 3-column layout
-* Fixing video track selector showing unnecessarily when source video has only one video track
-* Fixing visual border between filename area and video track selector
-* Fixing test suite hanging due to missing QApplication in PySide6 widget tests
 * Adding async queue saving to prevent GUI blocking during queue operations
 * Adding atomic file writes for queue to prevent corruption from interrupted saves
 * Adding file-based locking for queue operations to prevent race conditions between instances
 * Adding graceful shutdown handling for worker process and background threads
+* Adding Start/End Time tab to right-side options panel between Size and Crop tabs with compact 3-column layout
+* Fixing video track selector showing unnecessarily when source video has only one video track
+* Fixing visual border between filename area and video track selector
+* Fixing test suite hanging due to missing QApplication in PySide6 widget tests
 * Fixing window resizing beyond screen boundaries when switching profiles on macOS
 * Fixing potential GUI freeze when log queue fills up during encoding
 * Fixing file handle leaks in command runner when process startup fails

fastflix/application.py

@@ -36,7 +36,10 @@ def create_app(enable_scaling):
     main_app = FastFlixApp(sys.argv)
     main_app.allWindows()
     main_app.setApplicationDisplayName("FastFlix")
-    my_font = QtGui.QFont("Arial" if "Arial" in QtGui.QFontDatabase().families() else "Sans Serif", 9)
+    available_fonts = QtGui.QFontDatabase().families()
+    font_preference = ["Roboto", "Segoe UI", "Ubuntu", "Open Sans", "Sans Serif"]
+    selected_font = next((f for f in font_preference if f in available_fonts), "Sans Serif")
+    my_font = QtGui.QFont(selected_font, 9)
     main_app.setFont(my_font)
     main_app.setWindowIcon(QtGui.QIcon(main_icon))
     return main_app

fastflix/data/languages.yaml

@@ -5421,6 +5421,21 @@ Use Sane Audio Selection (customizable in config file):
   ukr: Використовуйте Sane Audio Selection (налаштовується у файлі конфігурації)
   kor: 정상 오디오 선택 사용(구성 파일에서 사용자 지정 가능)
   ron: Utilizați selecția audio Sane (personalizabilă în fișierul de configurare)
+Use keyframes for preview images:
+  deu: Keyframes für Vorschaubilder verwenden
+  eng: Use keyframes for preview images
+  fra: Utiliser les images clés pour les images de prévisualisation
+  ita: Usa i fotogrammi chiave per le immagini di anteprima
+  spa: Usar fotogramas clave para las imágenes de vista previa
+  chs: 使用关键帧作为预览图像
+  jpn: プレビュー画像にキーフレームを使用する
+  rus: Использовать ключевые кадры для предварительного просмотра
+  por: Usar quadros-chave para imagens de pré-visualização
+  swe: Använd nyckelbilder för förhandsgranskningsbilder
+  pol: Użyj klatek kluczowych dla obrazów podglądu
+  ukr: Використовувати ключові кадри для зображень попереднього перегляду
+  kor: 미리보기 이미지에 키프레임 사용
+  ron: Utilizați cadrele cheie pentru imaginile de previzualizare
 Useful when there is a desire to signal 0 values for max-cll and max-fall.:
   deu: Nützlich, wenn der Wunsch besteht, 0-Werte für max-cll und max-fall zu signalisieren.
   eng: Useful when there is a desire to signal 0 values for max-cll and max-fall.
@@ -11379,25 +11394,181 @@ Custom Title:
   ron: Titlu personalizat
 Flip:
   eng: Flip
+  deu: Flip
+  fra: Retournement
+  ita: Capovolgere
+  spa: Flip
+  jpn: フリップ
+  rus: Флип
+  por: Flip
+  swe: Vändning
+  pol: Klapka
+  chs: 翻转
+  ukr: Переверни.
+  kor: 플립
+  ron: Flip
 V Flip:
   eng: V Flip
+  deu: V Flip
+  fra: V Flip
+  ita: V Flip
+  spa: V Voltear
+  jpn: Vフリップ
+  rus: V Флип
+  por: V Flip
+  swe: V Vändning
+  pol: V Flip
+  chs: V 翻转
+  ukr: V-образне сальто
+  kor: V 플립
+  ron: V Flip
 H Flip:
   eng: H Flip
+  deu: H Flip
+  fra: H Flip
+  ita: H Flip
+  spa: H Flip
+  jpn: Hフリップ
+  rus: H Flip
+  por: H Flip
+  swe: H Flip
+  pol: H Flip
+  chs: 翻转
+  ukr: Переворот H.
+  kor: H 플립
+  ron: H Flip
 V+H Flip:
   eng: V+H Flip
+  deu: V+H Flip
+  fra: V+H Flip
+  ita: V+H Flip
+  spa: V+H Flip
+  jpn: V+Hフリップ
+  rus: V+H Flip
+  por: V+H Flip
+  swe: V+H Vändning
+  pol: V+H Flip
+  chs: V+H 翻转
+  ukr: V+H Flip
+  kor: V+H 플립
+  ron: V+H Flip
 Size:
   eng: Size
+  deu: Größe
+  fra: Taille
+  ita: Dimensione
+  spa: Talla
+  jpn: サイズ
+  rus: Размер
+  por: Tamanho
+  swe: Storlek
+  pol: Rozmiar
+  chs: 尺寸
+  ukr: Розмір
+  kor: 크기
+  ron: Mărime
 Reset:
   eng: Reset
+  deu: Zurücksetzen
+  fra: Remise à zéro
+  ita: Reset
+  spa: Restablecer
+  jpn: リセット
+  rus: Сброс
+  por: Reiniciar
+  swe: Återställning
+  pol: Reset
+  chs: 重置
+  ukr: Перезавантаження
+  kor: 초기화
+  ron: Resetare
 Reset start and end times:
   eng: Reset start and end times
+  deu: Start- und Endzeiten zurücksetzen
+  fra: Réinitialisation des heures de début et de fin
+  ita: Azzeramento degli orari di inizio e fine
+  spa: Restablecer las horas de inicio y fin
+  jpn: 開始時間と終了時間をリセット
+  rus: Сброс времени начала и окончания
+  por: Repor as horas de início e de fim
+  swe: Återställ start- och sluttider
+  pol: Resetowanie czasu rozpoczęcia i zakończenia
+  chs: 重置开始和结束时间
+  ukr: Скинути час початку та закінчення
+  kor: 시작 및 종료 시간 재설정
+  ron: Resetați orele de început și de sfârșit
 Fast:
   eng: Fast
+  deu: Schnell
+  fra: Rapide
+  ita: Veloce
+  spa: Rápido
+  jpn: 速い
+  rus: Быстрый
+  por: Rápido
+  swe: Snabb
+  pol: Szybko
+  chs: 快速
+  ukr: Швидко
+  kor: 빠른
+  ron: Rapid
 Exact:
   eng: Exact
+  deu: Genau
+  fra: Exactement
+  ita: Esattamente
+  spa: Exacto
+  jpn: 正確
+  rus: Точный адрес
+  por: Exato
+  swe: Exakt
+  pol: Dokładny
+  chs: 精确
+  ukr: Точно.
+  kor: 정확한
+  ron: Exact
 Start/End Time:
   eng: Start/End Time
+  deu: Beginn/Ende Uhrzeit
+  fra: Heure de début/fin
+  ita: Ora di inizio/fine
+  spa: Hora de inicio/fin
+  jpn: 開始/終了時間
+  rus: Время начала/окончания
+  por: Hora de início/fim
+  swe: Start- och sluttid
+  pol: Czas rozpoczęcia/zakończenia
+  chs: 开始/结束时间
+  ukr: Час початку/закінчення
+  kor: 시작/종료 시간
+  ron: Ora de începere/finalizare
 Reset crop:
   eng: Reset crop
+  deu: Ernte zurücksetzen
+  fra: Réinitialiser la culture
+  ita: Azzeramento del raccolto
+  spa: Restablecer cultivo
+  jpn: 作物をリセットする
+  rus: Сброс урожая
+  por: Redefinir a cultura
+  swe: Återställ grödan
+  pol: Resetowanie zbiorów
+  chs: 重置作物
+  ukr: Скинути врожай
+  kor: 자르기 초기화
+  ron: Resetarea culturii
 Options:
   eng: Options
+  deu: Optionen
+  fra: Options
+  ita: Opzioni
+  spa: Opciones
+  jpn: オプション
+  rus: Опции
+  por: Opções
+  swe: Alternativ
+  pol: Opcje
+  chs: 选项
+  ukr: Параметри
+  kor: 옵션
+  ron: Opțiuni

fastflix/models/config.py

@@ -183,6 +183,8 @@ class Config(BaseModel):
 
     disable_cover_extraction: bool = False
 
+    use_keyframes_for_preview: bool = True
+
     def encoder_opt(self, profile_name, profile_option_name):
         encoder_settings = getattr(self.profiles[self.selected_profile], profile_name)
         if encoder_settings:

fastflix/resources.py

@@ -62,7 +62,7 @@ def get_icon(name: str, theme: str):
 
 
 def get_text_color(theme: str):
-    if theme.lower() == "dark":
+    if theme.lower() in ("dark", "onyx"):
         return "255, 255, 255"
     return "0, 0, 0"
 

fastflix/ui_constants.py

@@ -43,7 +43,7 @@ class BaseHeights:
     TOP_BAR_BUTTON: int = 38
     PATH_WIDGET: int = 20
     COMBO_BOX: int = 22
-    PANEL_ITEM: int = 45
+    PANEL_ITEM: int = 62
     SCROLL_MIN: int = 150
     PREVIEW_MIN: int = 195
     OUTPUT_DIR: int = 18

fastflix/ui_styles.py

@@ -18,16 +18,16 @@ def get_scaled_stylesheet(theme: str) -> str:
 
     if theme == "onyx":
         base += f"""
-            QAbstractItemView {{ background-color: #4b5054; }}
+            QAbstractItemView {{ background-color: #4f5962; }}
             QComboBox QAbstractItemView {{ background-color: #1d2023; border: 2px solid #76797c; }}
             QPushButton {{ border-radius: {border_radius}px; }}
             QLineEdit {{
-                background-color: #707070;
+                background-color: #4a555e;
                 color: black;
                 border-radius: {border_radius}px;
             }}
-            QTextEdit {{ background-color: #707070; color: black; }}
-            QTabBar::tab {{ background-color: #4b5054; }}
+            QTextEdit {{ background-color: #4a555e; color: black; }}
+            QTabBar::tab {{ background-color: #4f5962; }}
             QComboBox {{ border-radius: {border_radius}px; }}
             QScrollArea {{ border: 1px solid #919191; }}
         """
@@ -42,8 +42,8 @@ def get_video_options_stylesheet(theme: str) -> str:
 
     if theme == "onyx":
         return f"""
-            * {{ background-color: #4b5054; color: white; }}
-            QTabWidget {{ margin-top: {scaler.scale(34)}px; background-color: #4b5054; }}
+            * {{ background-color: #4f5962; color: white; }}
+            QTabWidget {{ margin-top: {scaler.scale(34)}px; background-color: #4f5962; }}
             QTabBar {{ font-size: {tab_font_size}px; background-color: #4f5962; }}
             QComboBox {{ min-height: {combo_min_height}px; }}
         """