kanehekili · May 3, 2024 21:43 · May 3, 2024
diff --git a/Qt6OpenGlMVPTest.py b/Qt6OpenGlMVPTest.py
@@ -0,0 +1,151 @@
+'''
+Created on 3 May 2024
+
+@author: matze
+'''
+from PyQt6 import QtWidgets
+
+"""
+based on:
+https://github.com/mpv-player/mpv-examples/blob/master/libmpv/qt_opengl/mpvwidget.cpp
+https://gitlab.com/robozman/python-mpv-qml-example/-/blob/master/main.py?ref_type=heads
+"""
+
+from PyQt6.QtWidgets import QApplication
+from PyQt6.QtGui import QOpenGLContext, QPainter, QBrush, QColor, QCloseEvent
+from PyQt6.QtCore import QByteArray, pyqtSignal, pyqtSlot, Qt
+from PyQt6.QtOpenGLWidgets import QOpenGLWidget
+from lib.mpv import MPV, MpvGlGetProcAddressFn, MpvRenderContext
+import ctypes,sys
+
+
+def get_process_address(_, name):
+    glctx =  QOpenGLContext.currentContext()
+    address = int(glctx.getProcAddress(QByteArray(name)))
+    #return ctypes.cast(address, ctypes.c_void_p).value
+    return address
+
+class Player(QOpenGLWidget):
+    onUpdate = pyqtSignal()
+    initialized = pyqtSignal()
+
+    def __init__(self, parent) -> None:
+        super().__init__(parent)
+        kwArgs={"log_handler":print,"loglevel" : 'debug',"audio" : "1","keep_open" : "always", "vo":"lipmpv"}
+        self.mpv = MPV(**kwArgs)
+        self.ctx = None
+        self._proc_addr_wrapper = MpvGlGetProcAddressFn(get_process_address)
+        self.onUpdate.connect(self.do_update)
+        self.c = 0
+
+        self.setUpdateBehavior(QOpenGLWidget.UpdateBehavior.PartialUpdate)
+
+    def initializeGL(self) -> None:
+        self.ctx = MpvRenderContext(
+            self.mpv, 'opengl',
+            opengl_init_params={
+                'get_proc_address': self._proc_addr_wrapper
+            },    
+        )
+
+        if self.ctx:
+            self.ctx.update_cb = self.on_update
+            self.initialized.emit()
+
+    def paintGL(self) -> None:
+        if self.c > 100:
+            self.c = 0
+        else:
+            self.c += 1
+        rect = self.rect()
+        if self.ctx:
+            fbo = self.defaultFramebufferObject()
+            self.ctx.render(flip_y=True, opengl_fbo={'w': rect.width(), 'h': rect.height(), 'fbo': fbo})
+
+
+        # Draw on bottom center
+        '''
+        p = QPainter(self)
+        width = rect.size().width()
+        height = rect.size().height()
+        label_rect = rect.adjusted((width/2)-75, height-100, -(width/2)+75, -50)
+        p.setPen(QColor("#ffffff"))
+        
+        text = '.'*int((self.c/20)) + "playing" + '.'*int((self.c/20))
+        p.fillRect(label_rect, QBrush(QColor("#ff00ff"), Qt.BrushStyle.FDiagPattern))
+        p.drawText(label_rect, Qt.AlignmentFlag.AlignCenter, text)
+        '''
+
+    def do_update(self):
+        self.update()
+
+    @pyqtSlot()
+    def on_update(self):
+        self.onUpdate.emit()
+
+    def play(self, url):
+        self.mpv.play(url)
+
+    def closeEvent(self, event: QCloseEvent) -> None:
+        """free mpv_context and terminate player brofre closing the widget"""
+        self.ctx.free()
+        self.mpv.terminate()
+        event.accept()
+
+
+class MainFrame(QtWidgets.QMainWindow):
+
+    def __init__(self, qapp,aPath=None):
+        self._isStarted=False
+        self.__qapp=qapp
+        super(MainFrame, self).__init__()
+        self.initUI()
+        self.centerWindow()
+        self.show()
+        #qapp.applicationStateChanged.connect(self.__queueStarted)
+
+
+    def initUI(self):
+        self.player = Player(self)
+
+        self.uiLabel= QtWidgets.QLabel(self)
+        self.uiLabel.setText("Player demo")
+        self.uiPlayButton = QtWidgets.QPushButton(" Play")
+
+        box = self._makeLayout()
+        wid = QtWidgets.QWidget(self)
+        self.setCentralWidget(wid)    
+        wid.setLayout(box)
+        self.resize(500, 600) 
+        #self.player.initialized.connect(lambda: [self.player.play("/media/disk1/UHD/gog.mp4")])
+        self.player.initialized.connect(lambda: [self.player.mpv.loadfile("icons/film-clapper.png")])
+
+    def _makeLayout(self):
+        mainBox = QtWidgets.QVBoxLayout()  # for all
+        btn1Box = QtWidgets.QHBoxLayout()  # test widgets
+        btn1Box.setSpacing(20)
+        btn1Box.addWidget(self.uiLabel)
+        btn1Box.addWidget(self.uiPlayButton)
+
+        mainBox.addWidget(self.player)
+        mainBox.addLayout(btn1Box)
+        return mainBox
+
+    def centerWindow(self):
+        frameGm = self.frameGeometry()
+        #screen = QApplication.desktop().screenNumber(QApplication.desktop().cursor().pos())
+        #centerPoint = QApplication.desktop().screenGeometry(screen).center()
+        centerPoint = self.screen().availableGeometry().center()
+        frameGm.moveCenter(centerPoint)
+        self.move(frameGm.topLeft())    
+
+if __name__ == '__main__':
+
+    app = QApplication(sys.argv)
+    import locale
+    locale.setlocale(locale.LC_NUMERIC, "C")
+    #player = Player()
+    #player.initialized.connect(lambda: [player.play("/media/disk1/UHD/gog.mp4")])
+    #player.show()
+    WIN = MainFrame(app) 
+    app.exec()
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