fix: hide volume button if no audio tracks

gridplayer/widgets/video_block.py

@@ -147,6 +147,7 @@ class VideoBlock(QWidget):  # noqa: WPS230
     info_change = pyqtSignal(str)
     is_in_progress_change = pyqtSignal()
     is_active_change = pyqtSignal(bool)
+    is_audio_present_change = pyqtSignal(bool)
 
     def __init__(self, video_driver, context, **kwargs):
         super().__init__(**kwargs)
@@ -276,6 +277,7 @@ def init_overlay(self):
             (self.is_muted_change, overlay.set_is_muted),
             (self.info_change, overlay.set_info_label),
             (self.is_active_change, overlay.set_is_active),
+            (self.is_audio_present_change, overlay.set_volume_button_visible),
         )
 
         return overlay
@@ -792,6 +794,8 @@ def load_video_finish(self):
         self.video_params.video_track_id = self.video_driver.cur_video_track_id
         self.video_params.audio_track_id = self.video_driver.cur_audio_track_id
 
+        self.is_audio_present_change.emit(bool(self.audio_tracks))
+
         self.video_status.hide()
         self.show_overlay()
 

gridplayer/widgets/video_overlay.py

@@ -257,6 +257,10 @@ def emit_volume_position(self, position):
     def set_is_active(self, is_active):
         self.border_widget.setVisible(is_active)
 
+    @pyqtSlot(bool)
+    def set_volume_button_visible(self, is_visible):
+        self.volume_button.setVisible(is_visible)
+
     def _set_opacity(self, opacity):
         effect = QGraphicsOpacityEffect(self)
         effect.setOpacity(opacity)