python如何输出音轨至wxpython音量柱 - 知否问答 - 万象云+社区

用wxpython+python-vlc做好了一个嵌入式播放器,主要想用来做轮训工作,由于轮训内容会有音频,可是音频没画面所以需要音量柱来体现,目前主要想法是通过请求python-vlc获取当前音轨,并实时传到插件上,可是网上找了很多资料都没有涉及音轨返回的,而且感觉使用python-vlc的人非常少,希望了解python-vlc的朋友指点指点

# -*- coding: utf-8 -*- ########################################################################### ## Python code generated with wxFormBuilder (version Jul 14 2018) ## http://www.wxformbuilder.org/ ## ## PLEASE DO *NOT* EDIT THIS FILE! ########################################################################### import wx import wx.xrc import vlc, requests, time, re, hashlib, queue ########################################################################### ## Class FrameMain ########################################################################### class FrameMain(wx.Frame): def __init__(self): wx.Frame.__init__(self, None, id=wx.ID_ANY, title=u"HLS-Inspection", pos=wx.DefaultPosition, size=wx.Size(977, 459), style=wx.DEFAULT_FRAME_STYLE | wx.TAB_TRAVERSAL) self.SetSizeHints(wx.DefaultSize, wx.DefaultSize) bSizerMain = wx.BoxSizer(wx.VERTICAL) self.m_panelMainPanel = wx.Panel(self, wx.ID_ANY, wx.DefaultPosition, wx.DefaultSize, wx.TAB_TRAVERSAL) bSizerPanel = wx.BoxSizer(wx.VERTICAL) bSizerPanelVideoMain = wx.BoxSizer(wx.HORIZONTAL) bSizerLeft = wx.BoxSizer(wx.HORIZONTAL) self.m_panelLeft = wx.Panel(self.m_panelMainPanel, wx.ID_ANY, wx.DefaultPosition, wx.DefaultSize, wx.TAB_TRAVERSAL) self.m_panelLeft.SetBackgroundColour(wx.SystemSettings.GetColour(wx.SYS_COLOUR_WINDOWTEXT)) bSizerLeft.Add(self.m_panelLeft, 1, wx.EXPAND | wx.ALL, 0) self.m_gaugeLeft = wx.Gauge(self.m_panelMainPanel, wx.ID_ANY, 100, wx.DefaultPosition, wx.Size(-1, 400), wx.GA_VERTICAL) self.m_gaugeLeft.SetValue(0) bSizerLeft.Add(self.m_gaugeLeft, 0, wx.ALL, 0) bSizerPanelVideoMain.Add(bSizerLeft, 1, wx.EXPAND, 0) bSizerRight = wx.BoxSizer(wx.HORIZONTAL) self.m_panelRight = wx.Panel(self.m_panelMainPanel, wx.ID_ANY, wx.DefaultPosition, wx.DefaultSize, wx.TAB_TRAVERSAL) self.m_panelRight.SetBackgroundColour(wx.SystemSettings.GetColour(wx.SYS_COLOUR_WINDOWTEXT)) bSizerRight.Add(self.m_panelRight, 1, wx.EXPAND | wx.ALL, 0) self.m_gaugeRight = wx.Gauge(self.m_panelMainPanel, wx.ID_ANY, 100, wx.DefaultPosition, wx.Size(-1, 400), wx.GA_HORIZONTAL | wx.GA_VERTICAL) self.m_gaugeRight.SetValue(0) bSizerRight.Add(self.m_gaugeRight, 0, wx.ALL, 0) bSizerPanelVideoMain.Add(bSizerRight, 1, wx.EXPAND, 0) bSizerPanel.Add(bSizerPanelVideoMain, 0, wx.ALL | wx.EXPAND, 0) self.m_staticline4 = wx.StaticLine(self.m_panelMainPanel, wx.ID_ANY, wx.DefaultPosition, wx.DefaultSize, wx.LI_HORIZONTAL) bSizerPanel.Add(self.m_staticline4, 0, wx.EXPAND | wx.ALL, 1) bSizerbuttom = wx.BoxSizer(wx.HORIZONTAL) self.m_buttonStart = wx.Button(self.m_panelMainPanel, wx.ID_ANY, u"开始", wx.DefaultPosition, wx.DefaultSize, 0) bSizerbuttom.Add(self.m_buttonStart, 0, wx.ALL, 0) self.m_buttonStop = wx.Button(self.m_panelMainPanel, wx.ID_ANY, u"停止", wx.DefaultPosition, wx.DefaultSize, 0) bSizerbuttom.Add(self.m_buttonStop, 0, wx.ALL, 0) bSizerPanel.Add(bSizerbuttom, 0, wx.ALL | wx.EXPAND, 0) self.m_panelMainPanel.SetSizer(bSizerPanel) self.m_panelMainPanel.Layout() bSizerPanel.Fit(self.m_panelMainPanel) bSizerMain.Add(self.m_panelMainPanel, 1, wx.EXPAND | wx.ALL, 0) self.SetSizer(bSizerMain) self.Layout() self.timer = wx.Timer() self.timer.SetOwner(self, wx.ID_ANY) self.Centre(wx.BOTH) # Connect Events self.m_buttonStart.Bind(wx.EVT_BUTTON, self.m_buttonStartOnButtonClick) self.m_buttonStop.Bind(wx.EVT_BUTTON, self.m_buttonStopOnButtonClick) self.Bind(wx.EVT_TIMER, self.timerOnTimer, id=wx.ID_ANY) self.Instance = vlc.Instance() self.playerM = self.Instance.media_player_new() self.playerB = self.Instance.media_player_new() def __del__(self): pass # Virtual event handlers, overide them in your derived class def m_buttonStartOnButtonClick(self, event): self.vlc_play() # event.Skip() def m_buttonStopOnButtonClick(self, event): event.Skip() def timerOnTimer(self, event): self.playerM.stop() def vlc_play(self): mainURLM = "http://sttv-hls.cutv.com/lKGXIQa/500/82sl7G0.m3u8?sign=ed3eca5eab6ce70b6dc457ebe348830d&t=5b4d575c" mainURLB = "http://sttv-hls.cutv.com/7xjJK9d/500/y32j7j0.m3u8?sign=8116fb39139fc2c4ab4c90396b74c3b6&t=5b4d5770" self.MediaM = self.Instance.media_new(mainURLM) self.MediaB = self.Instance.media_new(mainURLB) self.playerM.set_media(self.MediaM) self.playerB.set_media(self.MediaB) handleM = self.m_panelLeft.GetHandle() handleB = self.m_panelRight.GetHandle() self.playerM.set_hwnd(handleM) self.playerB.set_hwnd(handleB) self.playerM.play() self.playerB.play() self.timer.Start(10000) if __name__ == '__main__': app = wx.App(False) frame = FrameMain() frame.Show() app.MainLoop()

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