python和k-lite制作的视频播放器

#-*-encoding:utf-8-* """名称：视频播放器 版本:V0.1 作者：菌尘 注:使用Qt多媒体播放，需要下载解码器， 如： K-lite:http://www.codecguide.com/download_k-lite_codec_pack_full.htm 或者： LAV Filters:https://github.com/Nevcairiel/LAVFilters/releases """ import os import string import sys import time import random import configparser #import chardet #pip install ffmpeg-python,不要直接pip install ffmpeg import ffmpeg from ctypes import cast,POINTER from comtypes import CLSCTX_ALL from pycaw.pycaw import AudioUtilities,IAudioEndpointVolume from PyQt5.QtGui import * from PyQt5.QtCore import * from PyQt5.QtWidgets import * from PyQt5.QtMultimedia import * from PyQt5.QtMultimediaWidgets import * from qss_read import QssRead class video_player_win(QMainWindow): def __init__(self): super().__init__() self.initUI() def initUI(self): self.qssfile1='videopro\qss_video_main_win_style.qss' self.qss1=QssRead.readQSS(self.qssfile1) self.vm=QVideoWidget(self) self.vm.setGeometry(20,20,600,480) #self.vm.setStyleSheet("background-color:lime") self.h1_layout=QHBoxLayout() self.player=QMediaPlayer() self.player.setVolume(3) self.player.stateChanged.connect(self.do_mediaplayer_statechanged) self.is_playing=False self.is_pause=True self.gb1=QGroupBox('',self) self.gb1.setGeometry(10,520,640,40) self.lbl_videostarttime=QLabel(self) self.lbl_videostarttime.setGeometry(10,545,100,20) self.lbl_videostarttime.setText('00:00:00') self.lbl_videowholetime=QLabel(self) self.lbl_videowholetime.setGeometry(600,545,100,20) self.lbl_videowholetime.setText('00:00:00') #播放进度条 self.play_slider=QSlider(Qt.Horizontal,self) self.play_slider.setStyle(QStyleFactory.create('Fusion')) self.play_slider.setMinimum(0) self.play_slider.setMaximum(1000) self.play_slider.setStyleSheet("background-color:#80C8F1") #音量进度条 self.volume_slider=QSlider(Qt.Horizontal,self) self.volume_slider.setStyle(QStyleFactory.create('Fusion')) self.volume_slider.setGeometry(480,580,100,20) self.volume_slider.setMinimum(0) self.volume_slider.setMaximum(100) self.volume_slider.setStyleSheet("background-color:#7CF3DF") self.volume_slider.valueChanged.connect(self.video_volume_change_func) self.lbl_videovolume=QLabel(self) self.lbl_videovolume.setGeometry(440,580,20,20) self.lbl_videovolume.setStyleSheet("background-color:lime") self.lbl_videovolume.setText(str(self.volume_slider.value())) self.btn_sourcevideopath=QPushButton('导入视频',self) self.btn_sourcevideopath.setGeometry(660,100,80,40) self.btn_sourcevideopath.setStyle(QStyleFactory.create('Fusion')) self.btn_sourcevideopath.clicked.connect(self.get_sourcevideopath_func) self.btn_sourcevideofolder=QPushButton('导入文件夹',self) self.btn_sourcevideofolder.setGeometry(660,160,80,40) self.btn_sourcevideofolder.setStyle(QStyleFactory.create('Fusion')) self.list_videoplaylist=QListWidget(self) self.list_videoplaylist.setGeometry(760,10,230,500) self.list_videoplaylist.doubleClicked.connect(self.video_index_func) self.video_list=[] self.btn_last=QPushButton('上一个',self) self.btn_last.setGeometry(250,490,60,40) self.btn_last.setStyle(QStyleFactory.create('Fusion')) self.btn_playvideo=QPushButton('',self) self.btn_playvideo.setGeometry(320,490,60,40) self.btn_playvideo.setStyle(QStyleFactory.create('Fusion')) self.btn_playvideo.setIcon(QIcon('music_play_pro2022\stopicon.jpeg')) self.btn_playvideo.clicked.connect(self.vedio_play_func) self.btn_next=QPushButton('下一个',self) self.btn_next.setGeometry(390,490,60,40) self.btn_next.setStyle(QStyleFactory.create('Fusion')) self.h1_layout.addWidget(self.play_slider) self.gb1.setLayout(self.h1_layout) self.timer1=QTimer(self) self.timer1.start(50) self.timer1.timeout.connect(self.video_time_func) self.get_systemvolume_init_func() self.setWindowTitle('视频播放器V001') self.setGeometry(100,40,1000,600) self.setFixedSize(QSize(1000,680)) self.setStyleSheet(self.qss1) self.show() def paintEvent(self, e) -> None: """""" #建立Qpainter对象 qp=QPainter() qp.begin(self) #绘图开始 qp.drawRect(10,10,640,500) #绘图代码区域 qp.end() #绘图结束 def get_systemvolume_init_func(self): """初始化系统音量值比对关系""" # 音量对应关系 # 0% --- -65.25 # 55% --- -8.92 # 100% --- 0.0 self.volume_match={0: -65.25, 1: -56.99, 2: -51.67, 3: -47.74, 4: -44.62, 5: -42.03, 6: -39.81, 7: -37.89, 8: -36.17, 9: -34.63, 10: -33.24, 11: -31.96, 12: -30.78, 13: -29.68, 14: -28.66, 15: -27.7, 16: -26.8, 17: -25.95, 18: -25.15, 19: -24.38, 20: -23.65, 21: -22.96, 22: -22.3, 23: -21.66, 24: -21.05, 25: -20.46, 26: -19.9, 27: -19.35, 28: -18.82, 29: -18.32, 30: -17.82, 31: -17.35, 32: -16.88, 33: -16.44, 34: -16.0, 35: -15.58, 36: -15.16, 37: -14.76, 38: -14.37, 39: -13.99, 40: -13.62, 41: -13.26, 42: -12.9, 43: -12.56, 44: -12.22, 45: -11.89, 46: -11.56, 47: -11.24, 48: -10.93, 49: -10.63, 50: -10.33, 51: -10.04, 52: -9.75, 53: -9.47, 54: -9.19, 55: -8.92, 56: -8.65, 57: -8.39, 58: -8.13, 59: -7.88, 60: -7.63, 61: -7.38, 62: -7.14, 63: -6.9, 64: -6.67, 65: -6.44, 66: -6.21, 67: -5.99, 68: -5.76, 69: -5.55, 70: -5.33, 71: -5.12, 72: -4.91, 73: -4.71, 74: -4.5, 75: -4.3, 76: -4.11, 77: -3.91, 78: -3.72, 79: -3.53, 80: -3.34, 81: -3.15, 82: -2.97, 83: -2.79, 84: -2.61, 85: -2.43, 86: -2.26, 87: -2.09, 88: -1.91, 89: -1.75, 90: -1.58, 91: -1.41, 92: -1.25, 93: -1.09, 94: -0.93, 95: -0.77, 96: -0.61, 97: -0.46, 98: -0.3, 99: -0.15, 100: 0.0} #音量值反对应 self.volume_match_2={-65.25:0, -56.99:1, -51.67:2, -47.74:3, -44.62:4, -42.03:5, -39.81:6,-37.89:7, -36.17:8, -34.63:9, -33.24:10, -31.96:11, -30.78:12, -29.68:13, -28.66:14, -27.7:15, -26.8:16, -25.95:17, -25.15:18, -24.38:19, -23.65:20, -22.96:21, -22.3:22, -21.66:23, -21.05:24, -20.46:25, -19.9:26, -19.35:27, -18.82:28, -18.32:29, -17.82:30, -17.35:31, -16.88:32, -16.44:33, -16.0:34, -15.58:35,-15.16:36, -14.76:37, -14.37:38, -13.99:39, -13.62:40, -13.26:41, -12.9:42, -12.56:43, -12.22:44,-11.89:45, -11.56:46, -11.24:47, -10.93:48, -10.63:49, -10.33:50, -10.04:51, -9.75:52, -9.47:53, -9.19:54, -8.92:55, -8.65:56, -8.39:57, -8.13:58, -7.88:59, -7.63:60, -7.38:61, -7.14:62, -6.9:63, -6.67:64, -6.44:65, -6.21:66, -5.99:67, -5.76:68, -5.55:69, -5.33:70, -5.12:71,-4.91:72, -4.71:73, -4.5:74, -4.3:75, -4.11:76, -3.91:77, -3.72:78, -3.53:79, -3.34:80, -3.15:81, -2.97:82, -2.79:83, -2.61:84, -2.43:85, -2.26:86, -2.09:87, -1.91:88, -1.75:89, -1.58:90, -1.41:91, -1.25:92, -1.09:93, -0.93:94, -0.77:95, -0.61:96, -0.46:97, -0.3:98, -0.15:99, 0.0:100} self.devices11=AudioUtilities.G