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Video Streaming in Pocket PC 2002

, 20 Apr 2004 CPOL 123.6K 943 43
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An article on creating a streaming video player for Pocket PC.

Introduction

This project introduces you to use Microsoft Media Player SDK to write a simple video player for Pocket PC 2002

Background

  • Embedded Visual C++ 3.0

Using the code

  • First, download the SDK and install to the system. It would be in the directory C:\WMSDK\WMPktPC\
  • Open the sample project: C:\WMSDK\WMPktPC\Samples\MediaBookmarker\MediaBookmarker.vcw

The sample project present how to play a video file locally. To play a video through http we must use the additional functions provided in PlayerOCX.h. First look at the CMediaBookmaker.h to see the variables

CComPtr<IWMP> m_spWMPPlayer; // A pointer to the 
  //Windows Media Player control interface

To play an video file we can use the function Play() like this

m_spWMPPlayer->Play();

Second, create a text box for user enter the URL

LRESULT CMediaBookmarker::OnCreate(UINT uMsg, 
   WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
..........
..........
..........
h_editURL=CreateWindow(TEXT("EDIT"), 
  TEXT("http://www.somewhere.com/video.wmv"), 
  WS_CHILD | WS_VISIBLE | ES_AUTOHSCROLL| BS_TEXT, 
  0, 20, 220, 20, m_hWnd, (HMENU)IDB_TXT_ADDRESS, hInst, NULL);

//
CreateWindow(TEXT("BUTTON"), TEXT("Go"), 
  WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON, 
  220, 20, 20, 20, m_hWnd, (HMENU)IDB_GO, hInst, NULL); 


h_btnAbout=CreateWindow(TEXT("BUTTON"), TEXT("MediaBookmarker"), 
  WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON, 
  0, 40, 240, 20, m_hWnd, (HMENU)IDB_ABOUT, hInst, NULL);
..........
..........

}

The variable h_editURL was declared in the CMediaBookmaker.h

HWND h_editURL; // the handle for Edit box 

Then we create the function that handle the action click on the button Go (CMediaBookmaker.h )

BEGIN_MSG_MAP(CMediaBookmarker)
   .....
   .....
   .....
   COMMAND_ID_HANDLER( IDB_GO, OnGoURL)
   .....
   .....
END_MSG_MAP()

LRESULT OnGoURL( WORD wNotifyCode, WORD wID,
  HWND hWndCtl, BOOL& bHandled);

Then back to the CMediaBookmarker.cpp to edit the function OnGoURL

LRESULT CMediaBookmarker::OnGoURL(WORD wNotifyCode, WORD wID, 
  HWND hWndCtl, BOOL& bHandled)
{
 CHAR *m_strURL="";

 //h_editURL
 SendMessage(h_editURL,WM_GETTEXT,256,(LPARAM)m_strURL);
 // Send a windows message to get the value of the textbox in the program. 

 SendMessage(h_btnAbout,WM_SETTEXT,256,(LPARAM)m_strURL);
 // Set the Text in Button About to test . Do not need to use this code 

 // And finally use put_FileName() function to prepare to play
 m_spWMPPlayer->put_FileName((unsigned short*)m_strURL); 

 m_spWMPPlayer->Play(); // Play the media from the URL 

 return 0;
}

Points of Interest

This code was tested on the Acer n10 Pocket PC 2003 using SENAO wireless card. We can play the file remotely in the web server.

I am just a new comer. I have many difficulties when doing the video project on Pocket PC. Now I find this code is interesting and would like to share with you. Finally, thanks for your concerns !

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Tuan Nguyen
Vietnam Vietnam
No Biography provided

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Comments and Discussions

 
Generalvideo Pin
salam ellayan16-Nov-08 22:54
membersalam ellayan16-Nov-08 22:54 
Generalvideo streaming Pin
salam ellayan19-Jul-08 21:26
membersalam ellayan19-Jul-08 21:26 
GeneralWindows mobile 2003 media player codding needed urgently in C# Pin
suppersunny0728-Jun-08 23:22
membersuppersunny0728-Jun-08 23:22 
Generalpocket pc Media Player Control in C# Pin
fita8416-Mar-08 4:46
memberfita8416-Mar-08 4:46 
QuestionQueryControl failed Pin
amou6421-Nov-07 21:15
memberamou6421-Nov-07 21:15 
QuestionRe: QueryControl failed Pin
Jessn4-Feb-09 9:22
memberJessn4-Feb-09 9:22 
AnswerRe: QueryControl failed Pin
sc.valentine2126-Apr-09 17:29
membersc.valentine2126-Apr-09 17:29 
AnswerRe: QueryControl failed Pin
Jessn5-May-09 7:54
memberJessn5-May-09 7:54 
GeneralI'm unable to control UI of VideoStream/ MediaBookmarker Pin
satishknagineni29-Aug-05 6:35
membersatishknagineni29-Aug-05 6:35 
Generalfatal error RC1015: cannot open include file 'winver.h'. Pin
BigDog11117-May-05 20:31
memberBigDog11117-May-05 20:31 
GeneralRe: fatal error RC1015: cannot open include file 'winver.h'. Pin
chrisharden22-Aug-05 3:35
memberchrisharden22-Aug-05 3:35 
GeneralRe: fatal error RC1015: cannot open include file 'winver.h'. Pin
krishind_9914-Sep-06 5:18
memberkrishind_9914-Sep-06 5:18 
Generalmouse event Pin
jloc1-Mar-05 19:19
memberjloc1-Mar-05 19:19 
Generalplayer for pocket pc 2003 Pin
goast15-Sep-04 22:11
membergoast15-Sep-04 22:11 
GeneralRe: player for pocket pc 2003 Pin
arvish2713-Oct-04 1:20
memberarvish2713-Oct-04 1:20 
GeneralRe: player for pocket pc 2003 Pin
arvish2713-Oct-04 1:24
memberarvish2713-Oct-04 1:24 
QuestionSupported newer windows media format (9/10) ? Pin
alien-star11-Sep-04 21:55
memberalien-star11-Sep-04 21:55 
GeneralAny one did it in .NET Pin
Guma29-Jul-04 15:40
memberGuma29-Jul-04 15:40 
GeneralRe: Any one did it in .NET Pin
Anonymous22-Dec-04 9:28
sussAnonymous22-Dec-04 9:28 
GeneralRe: Any one did it in .NET Pin
soundararajandpm15-Dec-06 0:58
membersoundararajandpm15-Dec-06 0:58 
GeneralRe: Any one did it in .NET Pin
mshahidm11-Sep-09 5:25
membermshahidm11-Sep-09 5:25 
GeneralLinking Error Pin
siuchi_fchan13-Jul-04 23:39
membersiuchi_fchan13-Jul-04 23:39 
GeneralRe: Linking Error Pin
Anonymous19-Jul-04 12:06
sussAnonymous19-Jul-04 12:06 
GeneralRe: Linking Error Pin
siuchi_fchan19-Jul-04 21:56
membersiuchi_fchan19-Jul-04 21:56 
GeneralRe: Linking Error Pin
index4920-Jul-04 12:40
memberindex4920-Jul-04 12:40 

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