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WinCE中基于Media Player的多媒体开发 |
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时间: 2005-12-07 来自：天极开发 |
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在Web应用程序里使用WMP OCX
在使用Web浏览器的时候，应用WMP编程就更加容易了（这是SDK里的例子）：
＜HTML＞
＜HEAD＞
＜/HEAD＞
＜BODY＞
＜OBJECT ID=wmpocx WIDTH=200 HEIGHT=150 CLASSID="clsid:6BF52A52-394A-11d3-B153-00C04F79FAA6" TYPE="application/x-oleobject" VIEWASTEXT＞
＜PARAM name="uimode" value="none"＞
＜/OBJECT＞＜BR＞
＜script for="wmpocx" event="PlayStateChange(NewState)" language="JScript"＞ClipPlayState(NewState);
＜/script＞
＜script for="wmpocx" event="Error()" language="JScript"＞StopPlayer();＜/script＞
＜p＞
＜a href=# OnClick='PlayClip("\storage card\webapp\glass.wmv", ImgVideoPlay, true)'＞
＜IMG id="ImgVideoPlay" src="bt_play.gif" border="0"＞
＜/a＞
Video＜br＞
＜a href=# OnClick='PlayClip("\storage card\webapp\jeanne.wma", ImgAudioPlay, false)'＞
＜IMG id="ImgAudioPlay" src="bt_play.gif" border="0"＞
＜/a＞ Audio＜br＞
Play state sequence＜br＞
＜input type="text" id="PlayStateSequence" width=30＞
＜SCRIPT language="JScript"＞
＜!--var CurrentPlayImage = null;
var bVideo = null;
var bWasBuffering = false;
function StopPlayer()
{
wmpocx.controls.stop();
wmpocx.close();
if (CurrentPlayImage != null)
{
CurrentPlayImage.src = "bt_play.gif";
}
bWasBufferring = false;
}
function ClipPlayState(NewState)
{
PlayStateSequence.value = PlayStateSequence.value + NewState + " ";
switch(NewState) {
case 1:
// stopped
if (bWasBuffering)
{
bWasBufferring = false;
if (CurrentPlayImage != null)
{
CurrentPlayImage.src = "bt_play.gif";
}
}
break;
case 6:
// buffering
bWasBufferring = true;
if (CurrentPlayImage != null)
{
CurrentPlayImage.src = "bt_load.gif";
}
break;
case 9:
// transitioning
case 11:
// reconnecting
bWasBufferring = false;
break;
case 3:
// playing
if (bWasBufferring)
{
if (CurrentPlayImage != null)
{
CurrentPlayImage.src = "bt_stop.gif";
}
if (bVideo)
{
wmpocx.fullScreen = true;
}
}
break;
default:
}
}
function PlayClip(url, img, video)
{
if (wmpocx.playState == 3 && bVideo != null && bVideo != video)
{
return;
}
bVideo = video;
CurrentPlayImage = img;
if (wmpocx.playState == 3)
{
StopPlayer();
}
else
{
PlayStateSequence.value = "";
if (CurrentPlayImage != null)
{
CurrentPlayImage.src = "bt_load.gif";
}
wmpocx.URL = url;
}
}
--＞
＜/SCRIPT＞
＜/BODY＞
＜/HTML＞ |
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