media sample
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@30446 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Ryan Norton
parent
c5550b7551
commit
eaf0d558dc
15
samples/mediaplayer/mediaplayer.bkl
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15
samples/mediaplayer/mediaplayer.bkl
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<?xml version="1.0" ?>
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<!-- $Id$ -->
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<makefile>
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<include file="../../build/bakefiles/common_samples.bkl"/>
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<exe id="minimal" template="wx_sample" template_append="wx_append">
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<sources>mediaplayer.cpp</sources>
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<wx-lib>core</wx-lib>
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<wx-lib>base</wx-lib>
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<wx-lib>media<wx-lib>
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</exe>
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</makefile>
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403
samples/mediaplayer/mediaplayer.cpp
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samples/mediaplayer/mediaplayer.cpp
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/////////////////////////////////////////////////////////////////////////////
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// Name: mediactrltest.
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// Purpose: wxMediaCtrl sample
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// Author: Ryan Norton
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// Modified by:
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// Created: 11/10/04
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// RCS-ID: $Id$
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// Copyright: (c) Ryan Norton
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// For compilers that support precompilation, includes "wx/wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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// for all others, include the necessary headers (this file is usually all you
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// need because it includes almost all "standard" wxWidgets headers)
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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// ----------------------------------------------------------------------------
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// resources
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// ----------------------------------------------------------------------------
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// the application icon (under Windows and OS/2 it is in resources and even
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// though we could still include the XPM here it would be unused)
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#if !defined(__WXMSW__) && !defined(__WXPM__)
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// #include "../sample.xpm"
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#endif
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#include "wx/mediactrl.h"
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#include "wx/filedlg.h"
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#include "wx/slider.h"
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#include "wx/sizer.h"
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#include "wx/timer.h"
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#if !wxUSE_MEDIACTRL
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#error "wxUSE_MEDIACTRL must be enabled to use this sample!"
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#endif
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// ----------------------------------------------------------------------------
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// private classes
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// ----------------------------------------------------------------------------
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// Define a new application type, each program should derive a class from wxApp
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class MyApp : public wxApp
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{
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public:
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// override base class virtuals
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// ----------------------------
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// this one is called on application startup and is a good place for the app
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// initialization (doing it here and not in the ctor allows to have an error
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// return: if OnInit() returns false, the application terminates)
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virtual bool OnInit();
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};
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// Define a new frame type: this is going to be our main frame
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class MyFrame : public wxFrame
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{
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public:
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// ctor(s)
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MyFrame(const wxString& title);
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~MyFrame();
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// event handlers (these functions should _not_ be virtual)
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void OnQuit(wxCommandEvent& event);
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void OnAbout(wxCommandEvent& event);
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void OnLoop(wxCommandEvent& event);
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void OnOpenFile(wxCommandEvent& event);
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void OnOpenURL(wxCommandEvent& event);
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void OnPlay(wxCommandEvent& event);
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void OnPause(wxCommandEvent& event);
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void OnStop(wxCommandEvent& event);
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void OnSeek(wxCommandEvent& event);
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void OnMediaFinished(wxMediaEvent& event);
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private:
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void ResetStatus()
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{
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m_basestatus = wxString::Format(_T("Size(x,y):%i,%i Length(Seconds):%u Speed:%1.1fx"),
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m_movie->GetBestSize().x,
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m_movie->GetBestSize().y,
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m_movie->GetDuration() / 1000,
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m_movie->GetPlaybackRate()
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);
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m_slider->SetRange(0, m_movie->GetDuration() / 1000);
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}
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wxMediaCtrl* m_movie;
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wxSlider* m_slider;
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wxBoxSizer* m_sizer;
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class MyTimer* m_timer;
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friend class MyTimer;
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wxString m_basestatus;
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bool m_bLoop;
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// any class wishing to process wxWidgets events must use this macro
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DECLARE_EVENT_TABLE()
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};
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const wxChar* wxGetMediaStateText(int nState)
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{
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switch(nState)
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{
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case wxMEDIASTATE_PLAYING:
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return wxT("Playing");
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case wxMEDIASTATE_STOPPED:
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return wxT("Stopped");
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///case wxMEDIASTATE_PAUSED:
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default:
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return wxT("Paused");
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}
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}
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class MyTimer : public wxTimer
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{
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public:
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MyTimer(MyFrame* frame) {m_frame = frame;}
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void Notify()
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{
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long lPosition = m_frame->m_movie->GetPosition() / 1000;
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m_frame->m_slider->SetValue(lPosition);
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m_frame->SetStatusText(wxString::Format(_T("%s Pos:%u State:%s"),
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m_frame->m_basestatus.c_str(),
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lPosition,
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wxGetMediaStateText(m_frame->m_movie->GetState())
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)
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);
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}
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MyFrame* m_frame;
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};
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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// IDs for the controls and the menu commands
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enum
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{
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// menu items
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Minimal_Quit = wxID_EXIT,
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// it is important for the id corresponding to the "About" command to have
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// this standard value as otherwise it won't be handled properly under Mac
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// (where it is special and put into the "Apple" menu)
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Minimal_About = wxID_ABOUT,
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Minimal_Slider = 1,
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Minimal_Media,
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Minimal_Loop,
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Minimal_OpenFile,
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Minimal_OpenURL,
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Minimal_Play,
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Minimal_Pause,
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Minimal_Stop
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};
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// ----------------------------------------------------------------------------
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// event tables and other macros for wxWidgets
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// ----------------------------------------------------------------------------
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// the event tables connect the wxWidgets events with the functions (event
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// handlers) which process them. It can be also done at run-time, but for the
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// simple menu events like this the static method is much simpler.
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BEGIN_EVENT_TABLE(MyFrame, wxFrame)
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EVT_MENU(Minimal_Quit, MyFrame::OnQuit)
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EVT_MENU(Minimal_About, MyFrame::OnAbout)
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EVT_MENU(Minimal_Loop, MyFrame::OnLoop)
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EVT_MENU(Minimal_OpenFile, MyFrame::OnOpenFile)
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EVT_MENU(Minimal_OpenURL, MyFrame::OnOpenURL)
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EVT_MENU(Minimal_Play, MyFrame::OnPlay)
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EVT_MENU(Minimal_Pause, MyFrame::OnPause)
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EVT_MENU(Minimal_Stop, MyFrame::OnStop)
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EVT_SLIDER(Minimal_Slider, MyFrame::OnSeek)
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EVT_MEDIA_FINISHED(Minimal_Media, MyFrame::OnMediaFinished)
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END_EVENT_TABLE()
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// Create a new application object: this macro will allow wxWidgets to create
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// the application object during program execution (it's better than using a
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// static object for many reasons) and also implements the accessor function
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// wxGetApp() which will return the reference of the right type (i.e. MyApp and
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// not wxApp)
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IMPLEMENT_APP(MyApp)
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// the application class
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// ----------------------------------------------------------------------------
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// 'Main program' equivalent: the program execution "starts" here
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bool MyApp::OnInit()
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{
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// create the main application window
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MyFrame *frame = new MyFrame(_T("Minimal wxWidgets App"));
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// and show it (the frames, unlike simple controls, are not shown when
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// created initially)
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frame->Show(true);
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// success: wxApp::OnRun() will be called which will enter the main message
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// loop and the application will run. If we returned false here, the
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// application would exit immediately.
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return true;
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}
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// ----------------------------------------------------------------------------
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// main frame
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// ----------------------------------------------------------------------------
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// frame constructor
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MyFrame::MyFrame(const wxString& title)
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: wxFrame(NULL, wxID_ANY, title), m_timer(NULL)
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{
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// set the frame icon
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// SetIcon(wxICON(sample));
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#if wxUSE_MENUS
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// create a menu bar
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wxMenu *menuFile = new wxMenu;
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// the "About" item should be in the help menu
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wxMenu *helpMenu = new wxMenu;
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helpMenu->Append(Minimal_About, _T("&About...\tF1"), _T("Show about dialog"));
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menuFile->Append(Minimal_OpenFile, _T("&Open File"), _T("Open a File"));
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menuFile->Append(Minimal_OpenURL, _T("Open &URL"), _T("Open a URL"));
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menuFile->AppendSeparator();
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menuFile->Append(Minimal_Play, _T("&Play"), _T("Resume playback"));
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menuFile->Append(Minimal_Pause, _T("P&ause"), _T("Pause playback"));
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menuFile->Append(Minimal_Stop, _T("&Stop"), _T("Stop playback"));
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menuFile->AppendSeparator();
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menuFile->AppendCheckItem(Minimal_Loop, _T("&Loop"), _T("Loop Selected Media"));
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menuFile->AppendSeparator();
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menuFile->Append(Minimal_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
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// now append the freshly created menu to the menu bar...
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wxMenuBar *menuBar = new wxMenuBar();
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menuBar->Append(menuFile, _T("&File"));
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menuBar->Append(helpMenu, _T("&Help"));
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// ... and attach this menu bar to the frame
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SetMenuBar(menuBar);
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#endif // wxUSE_MENUS
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m_sizer = new wxBoxSizer(wxVERTICAL);
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this->SetSizer(m_sizer);
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this->SetAutoLayout(true);
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// m_sizer->SetSizeHints(this);
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// m_sizer->Fit(this);
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m_movie = new wxMediaCtrl(this, Minimal_Media, wxT(""));
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m_sizer->Add(m_movie, 0, wxALIGN_CENTER_HORIZONTAL|wxALL, 5);
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m_slider = new wxSlider(this, Minimal_Slider, 0, //init
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0, //start
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0, //end
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wxDefaultPosition, wxDefaultSize,
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wxSL_HORIZONTAL );
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m_sizer->Add(m_slider, 0, wxALIGN_CENTER_HORIZONTAL|wxALL|wxEXPAND , 5);
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wxBoxSizer* horzsizer = new wxBoxSizer(wxHORIZONTAL);
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m_sizer->Add(horzsizer, 0, wxALIGN_CENTER_HORIZONTAL|wxALL, 5);
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m_bLoop = false;
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m_timer = new MyTimer(this);
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m_timer->Start(100);
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#if wxUSE_STATUSBAR
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// create a status bar just for fun (by default with 1 pane only)
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CreateStatusBar(1);
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ResetStatus();
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SetStatusText(m_basestatus);
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#endif // wxUSE_STATUSBAR
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}
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MyFrame::~MyFrame()
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{
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if (m_timer)
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delete m_timer;
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}
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// event handlers
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void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
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{
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// true is to force the frame to close
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Close(true);
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}
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void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
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{
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wxString msg;
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msg.Printf( _T("This is a test of wxMediaCtrl.\n")
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_T("Welcome to %s"), wxVERSION_STRING);
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wxMessageBox(msg, _T("About wxMediaCtrl test"), wxOK | wxICON_INFORMATION, this);
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}
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void MyFrame::OnLoop(wxCommandEvent& WXUNUSED(event))
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{
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m_bLoop = !m_bLoop;
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}
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void MyFrame::OnOpenFile(wxCommandEvent& WXUNUSED(event))
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{
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wxFileDialog fd(this);
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if(fd.ShowModal() == wxID_OK)
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{
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if( !m_movie->Load(fd.GetPath()) )
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wxMessageBox(wxT("Couldn't load file!"));
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if( !m_movie->Play() )
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wxMessageBox(wxT("Couldn't play movie!"));
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ResetStatus();
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}
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}
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#include "wx/textdlg.h"
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void MyFrame::OnOpenURL(wxCommandEvent& WXUNUSED(event))
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{
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wxString theURL = wxGetTextFromUser(wxT("Enter the URL that has the movie to play"));
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if(!theURL.empty())
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{
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if( !m_movie->Load(wxURI(theURL)) )
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wxMessageBox(wxT("Couldn't load URL!"));
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if( !m_movie->Play() )
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wxMessageBox(wxT("Couldn't play movie!"));
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ResetStatus();
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}
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}
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void MyFrame::OnPlay(wxCommandEvent& WXUNUSED(event))
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{
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if( !m_movie->Play() )
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wxMessageBox(wxT("Couldn't play movie!"));
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}
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void MyFrame::OnPause(wxCommandEvent& WXUNUSED(event))
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{
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if( !m_movie->Pause() )
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wxMessageBox(wxT("Couldn't pause movie!"));
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}
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void MyFrame::OnStop(wxCommandEvent& WXUNUSED(event))
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{
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if( !m_movie->Stop() )
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wxMessageBox(wxT("Couldn't stop movie!"));
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}
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void MyFrame::OnSeek(wxCommandEvent& WXUNUSED(event))
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{
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if( !m_movie->SetPosition( m_slider->GetValue() * 1000 ) )
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wxMessageBox(wxT("Couldn't seek in movie!"));
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}
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void MyFrame::OnMediaFinished(wxMediaEvent& WXUNUSED(event))
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{
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if(m_bLoop)
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{
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if ( !m_movie->SetPosition(0) || !m_movie->Play() )
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wxMessageBox(wxT("Couldn't seek or play to loop movie!"));
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}
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}
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@ -45,6 +45,7 @@
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<subproject id="listbox" template="sub"/>
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<subproject id="listctrl" template="sub"/>
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<subproject id="mdi" template="sub"/>
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<subproject id="mediaplayer" template="sub"/>
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<subproject id="memcheck" template="sub"/>
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<subproject id="menu" template="sub"/>
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<subproject id="mfc" template="sub"/>
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