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Massive commenting/professionalize and add some other new fun stuff to mediaplayer sample

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31755 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Ryan Norton 2005-02-04 19:04:58 +00:00
parent 5fd656d503
commit 10a535200d
1 changed files with 329 additions and 106 deletions
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435
samples/mediaplayer/mediaplayer.cpp
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@ -16,13 +16,23 @@
// the wxMediaCtrl class in wxWidgets.
//
// To use this sample, simply select Open File from the file menu,
// select the file you want to play - and MediaPlayer will play the file,
// showing video if neccessary.
// select the file you want to play - and MediaPlayer will play the file in a
// new notebook page, showing video if neccessary.
//
// You can select one of the menu options, or move the slider around
// to manipulate what is playing.
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
// Known bugs with wxMediaCtrl:
//
// 1) Not available on Unix :\.
// 2) Certain backends can't play the same media file at the same time (MCI,
// Cocoa NSMovieView/Quicktime).
// 3) Positioning on Mac Carbon is messed up if put in a sub-control like a
// Notebook (like this sample does).
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
// ============================================================================
// Definitions
// ============================================================================
@ -53,6 +63,20 @@
#include "wx/textdlg.h" //for getting user text from OpenURL
#include "wx/notebook.h" //for wxNotebook and putting movies in pages
// Use some stuff that's not part of the current API, such as loading
// media from a URL, etc.
#define wxUSE_UNOFFICIALSTUFF 0
//Libraries for MSVC with optional backends
#ifdef _MSC_VER
#if wxUSE_DIRECTSHOW
#pragma comment(lib,"strmiids.lib")
#endif
#if wxUSE_QUICKTIME
#pragma comment(lib,"qtmlClient.lib")
#endif
#endif
// ----------------------------------------------------------------------------
// Bail out if the user doesn't want one of the
// things we need
@ -66,11 +90,6 @@
#error "menus, slider, mediactrl, notebook, and timers must all be enabled for this sample!"
#endif
#define MEDIASTUFF \
if (!m_notebook || !m_notebook->GetCurrentPage()) return; \
wxMediaCtrl* m_mediactrl = ((MyNotebookPage*)m_notebook->GetCurrentPage())->m_mediactrl; \
wxSlider* m_slider = ((MyNotebookPage*)m_notebook->GetCurrentPage())->m_slider;
// ============================================================================
// Declarations
// ============================================================================
@ -84,19 +103,24 @@ enum
{
// menu items
wxID_LOOP = 1,
wxID_OPENFILE,
wxID_OPENFILESAMEPAGE,
wxID_OPENFILENEWPAGE,
wxID_OPENURLSAMEPAGE,
wxID_OPENURLNEWPAGE,
wxID_CLOSECURRENTPAGE,
wxID_PLAY,
wxID_PAUSE,
// wxID_CLOSE, [built-in to wxWidgets]
// wxID_STOP, [built-in to wxWidgets]
// wxID_ABOUT, [built-in to wxWidgets]
// wxID_EXIT, [built-in to wxWidgets]
// id for our slider
// event id for our slider
wxID_SLIDER,
// event id for our notebook
wxID_NOTEBOOK,
// id for our wxMediaCtrl
// event id for our wxMediaCtrl
wxID_MEDIACTRL
};
@ -126,27 +150,31 @@ public:
void OnAbout(wxCommandEvent& event);
void OnLoop(wxCommandEvent& event);
void OnOpenFile(wxCommandEvent& event);
void OnOpenURL(wxCommandEvent& event);
void OnOpenFileSamePage(wxCommandEvent& event);
void OnOpenFileNewPage(wxCommandEvent& event);
void OnOpenURLSamePage(wxCommandEvent& event);
void OnOpenURLNewPage(wxCommandEvent& event);
void OnCloseCurrentPage(wxCommandEvent& event);
void OnPlay(wxCommandEvent& event);
void OnPause(wxCommandEvent& event);
void OnStop(wxCommandEvent& event);
void OnClose(wxCommandEvent& event);
// Slider event handlers
void OnSeek(wxCommandEvent& event);
// Media event handlers
void OnMediaStop(wxMediaEvent& event);
// Notebook event handlers
void OnPageChange(wxNotebookEvent& event);
void OnClosePage(wxCommandEvent& event);
private:
// Rebuild base status string (see Implementation)
void ResetStatus();
// Common open file code
void OpenFile(bool bNewPage);
void OpenURL(bool bNewPage);
// Get the media control and slider of current notebook page
wxMediaCtrl* GetCurrentMediaCtrl();
wxSlider* GetCurrentSlider();
class MyTimer* m_timer; //Timer to write info to status bar
wxString m_basestatus; //Base status string (see ResetStatus())
wxNotebook* m_notebook;
@ -155,15 +183,27 @@ private:
friend class MyTimer;
};
// ----------------------------------------------------------------------------
// MyNotebookPage
// ----------------------------------------------------------------------------
class MyNotebookPage : public wxPanel
{
MyNotebookPage(wxNotebook* boook);
MyNotebookPage(wxNotebook* book);
// Slider event handlers
void OnSeek(wxCommandEvent& event);
// Media event handlers
void OnMediaStop(wxMediaEvent& event);
public:
friend class MyFrame;
friend class MyFrame; //make MyFrame able to access private members
wxMediaCtrl* m_mediactrl; //Our media control
wxSlider* m_slider; //The slider below our media control
int m_nLoops; //Number of times media has looped
};
// ----------------------------------------------------------------------------
@ -260,7 +300,7 @@ bool MyApp::OnInit()
// MyFrame Constructor
//
// 1) Create our menus
// 2) Create our controls and add them to some sizers
// 2) Create our notebook control and add it to the frame
// 3) Create our status bar
// 4) Connect our events
// 5) Start our timer
@ -279,14 +319,24 @@ MyFrame::MyFrame(const wxString& title)
_T("&About...\tF1"),
_T("Show about dialog"));
menuFile->Append(wxID_OPENFILE, _T("&Open File"), _T("Open a File"));
menuFile->Append(wxID_OPENFILESAMEPAGE, _T("&Open File"),
_T("Open a File in the current notebook page"));
menuFile->Append(wxID_OPENFILENEWPAGE, _T("&Open File in a new page"),
_T("Open a File in a new notebook page"));
#if wxUSE_UNOFFICIALSTUFF
menuFile->Append(wxID_OPENURLSAMEPAGE, _T("&Open URL"),
_T("Open a URL in the current notebook page"));
menuFile->Append(wxID_OPENURLNEWPAGE, _T("&Open URL in a new page"),
_T("Open a URL in a new notebook page"));
#endif
menuFile->AppendSeparator();
menuFile->Append(wxID_CLOSECURRENTPAGE, _T("&Close Current Page"),
_T("Close current notebook page"));
menuFile->AppendSeparator();
menuFile->Append(wxID_PLAY, _T("&Play"), _T("Resume playback"));
menuFile->Append(wxID_PAUSE, _T("P&ause"), _T("Pause playback"));
menuFile->Append(wxID_STOP, _T("&Stop"), _T("Stop playback"));
menuFile->AppendSeparator();
menuFile->Append(wxID_CLOSE, _T("&Close"), _T("Close current notebook page"));
menuFile->AppendSeparator();
menuFile->AppendCheckItem(wxID_LOOP,
_T("&Loop"),
_T("Loop Selected Media"));
@ -301,6 +351,10 @@ MyFrame::MyFrame(const wxString& title)
SetMenuBar(menuBar);
//
// Create our notebook - using wxNotebook is luckily pretty
// simple and self-explanatory in most cases
//
m_notebook = new wxNotebook(this, wxID_NOTEBOOK);
//
@ -309,8 +363,6 @@ MyFrame::MyFrame(const wxString& title)
#if wxUSE_STATUSBAR
// create a status bar just for fun (by default with 1 pane only)
CreateStatusBar(1);
ResetStatus();
SetStatusText(m_basestatus);
#endif // wxUSE_STATUSBAR
//
@ -391,9 +443,25 @@ MyFrame::MyFrame(const wxString& title)
(wxObjectEventFunction) (wxEventFunction)
(wxCommandEventFunction) &MyFrame::OnLoop);
this->Connect(wxID_OPENFILE, wxEVT_COMMAND_MENU_SELECTED,
this->Connect(wxID_OPENFILENEWPAGE, wxEVT_COMMAND_MENU_SELECTED,
(wxObjectEventFunction) (wxEventFunction)
(wxCommandEventFunction) &MyFrame::OnOpenFile);
(wxCommandEventFunction) &MyFrame::OnOpenFileNewPage);
this->Connect(wxID_OPENFILESAMEPAGE, wxEVT_COMMAND_MENU_SELECTED,
(wxObjectEventFunction) (wxEventFunction)
(wxCommandEventFunction) &MyFrame::OnOpenFileSamePage);
this->Connect(wxID_OPENURLNEWPAGE, wxEVT_COMMAND_MENU_SELECTED,
(wxObjectEventFunction) (wxEventFunction)
(wxCommandEventFunction) &MyFrame::OnOpenURLNewPage);
this->Connect(wxID_OPENURLSAMEPAGE, wxEVT_COMMAND_MENU_SELECTED,
(wxObjectEventFunction) (wxEventFunction)
(wxCommandEventFunction) &MyFrame::OnOpenURLSamePage);
this->Connect(wxID_CLOSECURRENTPAGE, wxEVT_COMMAND_MENU_SELECTED,
(wxObjectEventFunction) (wxEventFunction)
(wxCommandEventFunction) &MyFrame::OnCloseCurrentPage);
this->Connect(wxID_PLAY, wxEVT_COMMAND_MENU_SELECTED,
(wxObjectEventFunction) (wxEventFunction)
@ -407,24 +475,9 @@ MyFrame::MyFrame(const wxString& title)
(wxObjectEventFunction) (wxEventFunction)
(wxCommandEventFunction) &MyFrame::OnStop);
this->Connect(wxID_CLOSE, wxEVT_COMMAND_MENU_SELECTED,
(wxObjectEventFunction) (wxEventFunction)
(wxCommandEventFunction) &MyFrame::OnClosePage);
//
// Slider events
// Notebook events
//
this->Connect(wxID_SLIDER, wxEVT_COMMAND_SLIDER_UPDATED,
(wxObjectEventFunction) (wxEventFunction)
(wxCommandEventFunction) &MyFrame::OnSeek);
//
// Media Control events
//
this->Connect(wxID_MEDIACTRL, wxEVT_MEDIA_STOP,
(wxObjectEventFunction) (wxEventFunction)
(wxMediaEventFunction) &MyFrame::OnMediaStop);
this->Connect(wxID_NOTEBOOK, wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED,
(wxObjectEventFunction) (wxEventFunction)
(wxNotebookEventFunction) &MyFrame::OnPageChange);
@ -470,19 +523,39 @@ MyFrame::~MyFrame()
// ----------------------------------------------------------------------------
void MyFrame::ResetStatus()
{
MEDIASTUFF
wxMediaCtrl* currentMediaCtrl = GetCurrentMediaCtrl();
m_basestatus = wxString::Format(_T("Size(x,y):%i,%i ")
_T("Length(Seconds):%u Speed:%1.1fx"),
m_mediactrl->GetBestSize().x,
m_mediactrl->GetBestSize().y,
(unsigned)((m_mediactrl->Length() / 1000)),
m_mediactrl->GetPlaybackRate()
currentMediaCtrl->GetBestSize().x,
currentMediaCtrl->GetBestSize().y,
(unsigned)((currentMediaCtrl->Length() / 1000)),
currentMediaCtrl->GetPlaybackRate()
);
}
m_slider->SetRange(0, (int)(m_mediactrl->Length() / 1000));
// ----------------------------------------------------------------------------
// MyFrame::GetCurrentMediaCtrl
//
// Obtains the media control of the current page, or NULL if there are no
// pages open
// ----------------------------------------------------------------------------
wxMediaCtrl* MyFrame::GetCurrentMediaCtrl()
{
wxASSERT(m_notebook->GetCurrentPage() != NULL);
return ((MyNotebookPage*)m_notebook->GetCurrentPage())->m_mediactrl;
}
// ----------------------------------------------------------------------------
// MyFrame::GetCurrentSlider
//
// Obtains the slider of the current page, or NULL if there are no
// pages open
// ----------------------------------------------------------------------------
wxSlider* MyFrame::GetCurrentSlider()
{
wxASSERT(m_notebook->GetCurrentPage() != NULL);
return ((MyNotebookPage*)m_notebook->GetCurrentPage())->m_slider;
}
// ----------------------------------------------------------------------------
@ -520,36 +593,148 @@ void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
// ----------------------------------------------------------------------------
void MyFrame::OnLoop(wxCommandEvent& WXUNUSED(event))
{
MEDIASTUFF
m_mediactrl->Loop( !m_mediactrl->IsLooped() );
if(!m_notebook->GetCurrentPage())
{
wxMessageBox(wxT("No files are currently open!"));
return;
}
GetCurrentMediaCtrl()->Loop( !GetCurrentMediaCtrl()->IsLooped() );
}
// ----------------------------------------------------------------------------
// MyFrame::OnOpenFile
// MyFrame::OnOpenFileSamePage
//
// Called from file->openfile.
// Opens and plays a media file
// Opens and plays a media file in the current notebook page
// ----------------------------------------------------------------------------
void MyFrame::OnOpenFile(wxCommandEvent& WXUNUSED(event))
void MyFrame::OnOpenFileSamePage(wxCommandEvent& WXUNUSED(event))
{
OpenFile(false);
}
// ----------------------------------------------------------------------------
// MyFrame::OnOpenFileNewPage
//
// Called from file->openfileinnewpage.
// Opens and plays a media file in a new notebook page
// ----------------------------------------------------------------------------
void MyFrame::OnOpenFileNewPage(wxCommandEvent& WXUNUSED(event))
{
OpenFile(true);
}
// ----------------------------------------------------------------------------
// MyFrame::OpenFile
//
// Code to actually open the media file
//
// 1) Create file dialog and ask the user for input file
// 2) If the user didn't want anything, break out
// 3) Create a new page if the user wanted one or there isn't a current page
// 4) Load the media
// 5) Play the media
// 6) Reset the text on the status bar
// 7) Set the slider of the current page to accurately reflect media length
// ----------------------------------------------------------------------------
void MyFrame::OpenFile(bool bNewPage)
{
wxFileDialog fd(this);
if(fd.ShowModal() == wxID_OK)
{
m_notebook->AddPage(new MyNotebookPage(m_notebook), fd.GetPath(), true);
if(bNewPage || !m_notebook->GetCurrentPage())
m_notebook->AddPage(new MyNotebookPage(m_notebook), fd.GetPath(), true);
MEDIASTUFF
if( !m_mediactrl->Load(fd.GetPath()) )
if( !GetCurrentMediaCtrl()->Load(fd.GetPath()) )
wxMessageBox(wxT("Couldn't load file!"));
if( !m_mediactrl->Play() )
if( !GetCurrentMediaCtrl()->Play() )
wxMessageBox(wxT("Couldn't play movie!"));
ResetStatus();
GetCurrentSlider()->SetRange(0,
(int)(GetCurrentMediaCtrl()->Length() / 1000));
}
}
// ----------------------------------------------------------------------------
// MyFrame::OnOpenURLSamePage
//
// Called from file->openurl.
// Opens and plays a media file from a URL in the current notebook page
// ----------------------------------------------------------------------------
void MyFrame::OnOpenURLSamePage(wxCommandEvent& WXUNUSED(event))
{
OpenURL(false);
}
// ----------------------------------------------------------------------------
// MyFrame::OnOpenURLNewPage
//
// Called from file->openurlinnewpage.
// Opens and plays a media file from a URL in a new notebook page
// ----------------------------------------------------------------------------
void MyFrame::OnOpenURLNewPage(wxCommandEvent& WXUNUSED(event))
{
OpenURL(true);
}
// ----------------------------------------------------------------------------
// MyFrame::OpenURL
//
// Code to actually open the media file from a URL
//
// 1) Create text input dialog and ask the user for an input URL
// 2) If the user didn't want anything, break out
// 3) Create a new page if the user wanted one or there isn't a current page
// 4) Load the media
// 5) Play the media
// 6) Reset the text on the status bar
// 7) Set the slider of the current page to accurately reflect media length
// ----------------------------------------------------------------------------
void MyFrame::OpenURL(bool bNewPage)
{
wxString theURL = wxGetTextFromUser(wxT("Enter the URL that has the movie to play"));
if(!theURL.empty())
{
if(bNewPage || !m_notebook->GetCurrentPage())
m_notebook->AddPage(new MyNotebookPage(m_notebook), theURL, true);
if( !GetCurrentMediaCtrl()->Load(wxURI(theURL)) )
wxMessageBox(wxT("Couldn't load URL!"));
if( !GetCurrentMediaCtrl()->Play() )
wxMessageBox(wxT("Couldn't play movie!"));
ResetStatus();
GetCurrentSlider()->SetRange(0,
(int)(GetCurrentMediaCtrl()->Length() / 1000));
}
}
// ----------------------------------------------------------------------------
// MyFrame::OnCloseCurrentPage
//
// Called when the user wants to close the current notebook page
//
// 1) Get the current page number (wxControl::GetSelection)
// 2) If there is no current page, break out
// 3) Delete the current page
// ----------------------------------------------------------------------------
void MyFrame::OnCloseCurrentPage(wxCommandEvent& WXUNUSED(event))
{
int sel = m_notebook->GetSelection();
if (sel != wxNOT_FOUND)
{
m_notebook->DeletePage(sel);
}
}
// ----------------------------------------------------------------------------
// MyFrame::OnPlay
//
@ -558,8 +743,13 @@ void MyFrame::OnOpenFile(wxCommandEvent& WXUNUSED(event))
// ----------------------------------------------------------------------------
void MyFrame::OnPlay(wxCommandEvent& WXUNUSED(event))
{
MEDIASTUFF
if( !m_mediactrl->Play() )
if(!m_notebook->GetCurrentPage())
{
wxMessageBox(wxT("No files are currently open!"));
return;
}
if( !GetCurrentMediaCtrl()->Play() )
wxMessageBox(wxT("Couldn't play movie!"));
}
@ -571,8 +761,13 @@ void MyFrame::OnPlay(wxCommandEvent& WXUNUSED(event))
// ----------------------------------------------------------------------------
void MyFrame::OnPause(wxCommandEvent& WXUNUSED(event))
{
MEDIASTUFF
if( !m_mediactrl->Pause() )
if(!m_notebook->GetCurrentPage())
{
wxMessageBox(wxT("No files are currently open!"));
return;
}
if( !GetCurrentMediaCtrl()->Pause() )
wxMessageBox(wxT("Couldn't pause movie!"));
}
@ -587,49 +782,27 @@ void MyFrame::OnPause(wxCommandEvent& WXUNUSED(event))
// ----------------------------------------------------------------------------
void MyFrame::OnStop(wxCommandEvent& WXUNUSED(event))
{
MEDIASTUFF
if( !m_mediactrl->Stop() )
if(!m_notebook->GetCurrentPage())
{
wxMessageBox(wxT("No files are currently open!"));
return;
}
if( !GetCurrentMediaCtrl()->Stop() )
wxMessageBox(wxT("Couldn't stop movie!"));
}
// ----------------------------------------------------------------------------
// MyFrame::OnSeek
// MyFrame::OnCloseCurrentPage
//
// Called from file->seek.
// Called when the user moves the slider -
// seeks to a position within the media
// Called when the user wants to closes the current notebook page
// ----------------------------------------------------------------------------
void MyFrame::OnSeek(wxCommandEvent& WXUNUSED(event))
{
MEDIASTUFF
if( m_mediactrl->Seek( m_slider->GetValue() * 1000 ) == wxInvalidOffset )
wxMessageBox(wxT("Couldn't seek in movie!"));
}
// ----------------------------------------------------------------------------
// MyFrame::OnMediaStop
//
// Called when the media is about to stop playing.
// ----------------------------------------------------------------------------
void MyFrame::OnMediaStop(wxMediaEvent& WXUNUSED(event))
{
}
void MyFrame::OnPageChange(wxNotebookEvent& WXUNUSED(event))
{
ResetStatus();
}
void MyFrame::OnClosePage(wxCommandEvent& WXUNUSED(event))
{
int sel = m_notebook->GetSelection();
if (sel != wxNOT_FOUND)
{
m_notebook->DeletePage(sel);
}
}
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//
// MyTimer
@ -646,8 +819,7 @@ void MyFrame::OnClosePage(wxCommandEvent& WXUNUSED(event))
// ----------------------------------------------------------------------------
void MyTimer::Notify()
{
if (!m_frame->m_notebook || !m_frame->m_notebook->GetCurrentPage()) return;
if (!m_frame->m_notebook->GetCurrentPage()) return;
wxMediaCtrl* m_mediactrl = ((MyNotebookPage*)m_frame->m_notebook->GetCurrentPage())->m_mediactrl;
wxSlider* m_slider = ((MyNotebookPage*)m_frame->m_notebook->GetCurrentPage())->m_slider;
if (!m_mediactrl) return;
@ -657,10 +829,11 @@ void MyTimer::Notify()
#if wxUSE_STATUSBAR
m_frame->SetStatusText(wxString::Format(
_T("%s Pos:%u State:%s"),
_T("%s Pos:%u State:%s Loops:%i"),
m_frame->m_basestatus.c_str(),
(unsigned int)lPosition,
wxGetMediaStateText(m_mediactrl->GetState())
wxGetMediaStateText(m_mediactrl->GetState()),
((MyNotebookPage*)m_frame->m_notebook->GetCurrentPage())->m_nLoops
)
);
@ -669,10 +842,22 @@ void MyTimer::Notify()
}
MyNotebookPage::MyNotebookPage(wxNotebook* theBook) :
wxPanel(theBook, wxID_ANY)
{
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//
// MyNotebookPage
//
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ----------------------------------------------------------------------------
// MyNotebookPage Constructor
//
// Creates a media control and slider and adds it to this panel,
// along with some sizers for positioning
// ----------------------------------------------------------------------------
MyNotebookPage::MyNotebookPage(wxNotebook* theBook) :
wxPanel(theBook, wxID_ANY), m_nLoops(0)
{
//
// Create and attach the first/main sizer
//
@ -709,8 +894,46 @@ MyNotebookPage::MyNotebookPage(wxNotebook* theBook) :
wxBoxSizer* horzsizer = new wxBoxSizer(wxHORIZONTAL);
vertsizer->Add(horzsizer, 0, wxALIGN_CENTER_HORIZONTAL|wxALL, 5);
//
// Slider events
//
this->Connect(wxID_SLIDER, wxEVT_COMMAND_SLIDER_UPDATED,
(wxObjectEventFunction) (wxEventFunction)
(wxCommandEventFunction) &MyNotebookPage::OnSeek);
//
// Media Control events
//
this->Connect(wxID_MEDIACTRL, wxEVT_MEDIA_STOP,
(wxObjectEventFunction) (wxEventFunction)
(wxMediaEventFunction) &MyNotebookPage::OnMediaStop);
}
// ----------------------------------------------------------------------------
// MyNotebook::OnSeek
//
// Called from file->seek.
// Called when the user moves the slider -
// seeks to a position within the media
// ----------------------------------------------------------------------------
void MyNotebookPage::OnSeek(wxCommandEvent& WXUNUSED(event))
{
if( m_mediactrl->Seek(
m_slider->GetValue() * 1000
) == wxInvalidOffset )
wxMessageBox(wxT("Couldn't seek in movie!"));
}
// ----------------------------------------------------------------------------
// MyNotebookPage::OnMediaStop
//
// Called when the media is about to stop playing.
// ----------------------------------------------------------------------------
void MyNotebookPage::OnMediaStop(wxMediaEvent& WXUNUSED(event))
{
if(m_mediactrl->IsLooped())
++m_nLoops;
}
//
// End of MediaPlayer sample