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mpvwidget implemented with PyQt5 and QOpenGLWidget (currently used in http://github.com/cosven/feeluown)
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| # BSD 3-Clause License | |
| # | |
| # Copyright (c) 2020, Cosven | |
| # All rights reserved. | |
| # | |
| # Redistribution and use in source and binary forms, with or without | |
| # modification, are permitted provided that the following conditions are met: | |
| # | |
| # 1. Redistributions of source code must retain the above copyright notice, this | |
| # list of conditions and the following disclaimer. | |
| # | |
| # 2. Redistributions in binary form must reproduce the above copyright notice, | |
| # this list of conditions and the following disclaimer in the documentation | |
| # and/or other materials provided with the distribution. | |
| # | |
| # 3. Neither the name of the copyright holder nor the names of its | |
| # contributors may be used to endorse or promote products derived from | |
| # this software without specific prior written permission. | |
| # | |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | |
| # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
| # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| """ | |
| Mainly learned from these two example. | |
| - https://github.com/ozmartian/vidcutter/blob/793127c521b18f0bab19b67bc42e8da16a667afd/vidcutter/libs/mpvwidget.py | |
| - https://github.com/mpv-player/mpv-examples/blob/master/libmpv/qt_opengl/mpvwidget.cpp | |
| """ | |
| from PyQt5.QtCore import Qt, QMetaObject, pyqtSlot | |
| from PyQt5.QtWidgets import QOpenGLWidget, QApplication | |
| from PyQt5.QtOpenGL import QGLContext | |
| # HELP: currently, we need import GL module，otherwise it will raise seg fault on Linux(Ubuntu 18.04) | |
| from OpenGL import GL # noqa | |
| from mpv import MPV, _mpv_get_sub_api, _mpv_opengl_cb_set_update_callback, \ | |
| _mpv_opengl_cb_init_gl, OpenGlCbGetProcAddrFn, _mpv_opengl_cb_draw, \ | |
| _mpv_opengl_cb_report_flip, MpvSubApi, OpenGlCbUpdateFn, _mpv_opengl_cb_uninit_gl | |
| def get_proc_addr(_, name): | |
| glctx = QGLContext.currentContext() | |
| if glctx is None: | |
| return 0 | |
| addr = int(glctx.getProcAddress(name.decode('utf-8'))) | |
| return addr | |
| class MpvWidget(QOpenGLWidget): | |
| def __init__(self, parent=None): | |
| super().__init__(parent=parent) | |
| self.mpv = MPV(vo='opengl-cb', ytdl=True) | |
| self.mpv_gl = _mpv_get_sub_api(self.mpv.handle, MpvSubApi.MPV_SUB_API_OPENGL_CB) | |
| self.on_update_c = OpenGlCbUpdateFn(self.on_update) | |
| self.on_update_fake_c = OpenGlCbUpdateFn(self.on_update_fake) | |
| self.get_proc_addr_c = OpenGlCbGetProcAddrFn(get_proc_addr) | |
| _mpv_opengl_cb_set_update_callback(self.mpv_gl, self.on_update_c, None) | |
| self.frameSwapped.connect(self.swapped, Qt.DirectConnection) | |
| def initializeGL(self): | |
| _mpv_opengl_cb_init_gl(self.mpv_gl, None, self.get_proc_addr_c, None) | |
| def paintGL(self): | |
| # compatible with HiDPI display | |
| ratio = self.windowHandle().devicePixelRatio() | |
| w = int(self.width() * ratio) | |
| h = int(self.height() * ratio) | |
| _mpv_opengl_cb_draw(self.mpv_gl, self.defaultFramebufferObject(), w, -h) | |
| @pyqtSlot() | |
| def maybe_update(self): | |
| if self.window().isMinimized(): | |
| self.makeCurrent() | |
| self.paintGL() | |
| self.context().swapBuffers(self.context().surface()) | |
| self.swapped() | |
| self.doneCurrent() | |
| else: | |
| self.update() | |
| def on_update(self, ctx=None): | |
| # maybe_update method should run on the thread that creates the OpenGLContext, | |
| # which in general is the main thread. QMetaObject.invokeMethod can | |
| # do this trick. | |
| QMetaObject.invokeMethod(self, 'maybe_update') | |
| def on_update_fake(self, ctx=None): | |
| pass | |
| def swapped(self): | |
| _mpv_opengl_cb_report_flip(self.mpv_gl, 0) | |
| def closeEvent(self, _): | |
| self.makeCurrent() | |
| if self.mpv_gl: | |
| _mpv_opengl_cb_set_update_callback(self.mpv_gl, self.on_update_fake_c, None) | |
| _mpv_opengl_cb_uninit_gl(self.mpv_gl) | |
| self.mpv.terminate() | |
| if __name__ == '__main__': | |
| import locale | |
| app = QApplication([]) | |
| locale.setlocale(locale.LC_NUMERIC, 'C') | |
| widget = MpvWidget() | |
| widget.show() | |
| url = 'data/test.webm' | |
| widget.mpv.play(url) | |
| app.exec() |
@kanehekili You can take a look at the implement in FeelUOwn project. It use the new render context API.
https://github.com/feeluown/FeelUOwn/blob/master/feeluown/gui/widgets/mpv.py
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Hmpf, just close to 2 years later:
/home/matze/git/python-mpv/tests/OpenGltest.py:68: DeprecationWarning: Backend C api has been deprecated: mpv_get_sub_api self.mpv_gl = _mpv_get_sub_api(self.mpv.handle, MpvSubApi.MPV_SUB_API_OPENGL_CB) /home/matze/git/python-mpv/tests/OpenGltest.py:72: DeprecationWarning: Backend C api has been deprecated: mpv_opengl_cb_set_update_callback _mpv_opengl_cb_set_update_callback(self.mpv_gl, self.on_update_c, None) /home/matze/git/python-mpv/tests/OpenGltest.py:76: DeprecationWarning: Backend C api has been deprecated: mpv_opengl_cb_init_gl _mpv_opengl_cb_init_gl(self.mpv_gl, None, self.get_proc_addr_c, None) /home/matze/git/python-mpv/tests/OpenGltest.py:83: DeprecationWarning: Backend C api has been deprecated: mpv_opengl_cb_draw _mpv_opengl_cb_draw(self.mpv_gl, self.defaultFramebufferObject(), w, -h) /home/matze/git/python-mpv/tests/OpenGltest.py:106: DeprecationWarning: Backend C api has been deprecated: mpv_opengl_cb_report_flip _mpv_opengl_cb_report_flip(self.mpv_gl, 0) /home/matze/git/python-mpv/tests/OpenGltest.py:112: DeprecationWarning: Backend C api has been deprecated: mpv_opengl_cb_uninit_gl _mpv_opengl_cb_uninit_gl(self.mpv_gl)Anyone a tip? python3-opengl has been installed on Arch linux..