initial fluent-widgets ui

qfluentwidgets/multimedia/media_player.py

@@ -0,0 +1,124 @@
+# coding:utf-8
+from PySide6.QtCore import Qt, Signal, QObject, QUrl
+from PySide6.QtMultimedia import QMediaPlayer, QAudioOutput
+
+
+class MediaPlayerBase(QObject):
+    """ Media player base class """
+
+    mediaStatusChanged = Signal(QMediaPlayer.MediaStatus)
+    playbackRateChanged = Signal(float)
+    positionChanged = Signal(int)
+    durationChanged = Signal(int)
+    sourceChanged = Signal(QUrl)
+    volumeChanged = Signal(int)
+    mutedChanged = Signal(bool)
+
+    def __init__(self, parent=None):
+        super().__init__(parent=parent)
+
+    def isPlaying(self):
+        """ Whether the media is playing """
+        raise NotImplementedError
+
+    def mediaStatus(self) -> QMediaPlayer.MediaStatus:
+        """ Return the status of the current media stream """
+        raise NotImplementedError
+
+    def playbackState(self) -> QMediaPlayer.PlaybackState:
+        """ Return the playback status of the current media stream """
+        raise NotImplementedError
+
+    def duration(self):
+        """ Returns the duration of the current media in ms """
+        raise NotImplementedError
+
+    def position(self):
+        """ Returns the current position inside the media being played back in ms """
+        raise NotImplementedError
+
+    def volume(self):
+        """ Return the volume of player """
+        raise NotImplementedError
+
+    def source(self) -> QUrl:
+        """ Return the active media source being used """
+        raise NotImplementedError
+
+    def pause(self):
+        """ Pause playing the current source """
+        raise NotImplementedError
+
+    def play(self):
+        """ Start or resume playing the current source """
+        raise NotImplementedError
+
+    def stop(self):
+        """ Stop playing, and reset the play position to the beginning """
+        raise NotImplementedError
+
+    def playbackRate(self) -> float:
+        """ Return the playback rate of the current media """
+        raise NotImplementedError
+
+    def setPosition(self, position: int):
+        """ Sets the position of media in ms """
+        raise NotImplementedError
+
+    def setSource(self, media: QUrl):
+        """ Sets the current source """
+        raise NotImplementedError
+
+    def setPlaybackRate(self, rate: float):
+        """ Sets the playback rate of player """
+        raise NotImplementedError
+
+    def setVolume(self, volume: int):
+        """ Sets the volume of player """
+        raise NotImplementedError
+
+    def setMuted(self, isMuted: bool):
+        raise NotImplementedError
+
+    def videoOutput(self) -> QObject:
+        """ Return the video output to be used by the media player """
+        raise NotImplementedError
+
+    def setVideoOutput(self, output: QObject) -> None:
+        """ Sets the video output to be used by the media player """
+        raise NotImplementedError
+
+
+class MediaPlayer(QMediaPlayer):
+    """ Media player """
+
+    sourceChanged = Signal(QUrl)
+    mutedChanged = Signal(bool)
+    volumeChanged = Signal(int)
+
+    def __init__(self, parent=None):
+        super().__init__(parent=parent)
+        self._audioOutput = QAudioOutput(parent)
+        self.setAudioOutput(self._audioOutput)
+
+    def isPlaying(self):
+        return self.playbackState() == QMediaPlayer.PlayingState
+
+    def volume(self):
+        """ Return the volume of player """
+        return int(self.audioOutput().volume() * 100)
+
+    def setVolume(self, volume: int):
+        """ Sets the volume of player """
+        if volume == self.volume():
+            return
+
+        self.audioOutput().setVolume(volume / 100)
+        self.volumeChanged.emit(volume)
+
+    def setMuted(self, isMuted: bool):
+        if isMuted == self.audioOutput().isMuted():
+            return
+
+        self.audioOutput().setMuted(isMuted)
+        self.mutedChanged.emit(isMuted)