如何使用媒体播放器控件在asp.net 3.5中播放视频 [英] How to use media player control to play videos in asp.net 3.5
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问题描述
我想创建一个可以在其中播放视频的Web项目.我只是无法运行代码.我不了解如何构建媒体播放器控件的逻辑.我已经完成了从站点获取的编码，但不了解在哪里调用这些方法或我必须要做的事情.我已经在类文件中编写了代码.我应该在哪里编写.我不了解RenderContents方法.正在发送代码段.请提供帮助.
Hi,
I want to create a web project in which I can play videos.i am just unable to run the code.i am not understanding the logic how to build mediaplayer control.i have done the coding that i am taking from a site but not understanding where to call these methods or what more i have to do.I have written the code in class file.where i should write this.i am not understanding RenderContents method.I am sending the code snippet.please help.
#region namespaces
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.ComponentModel;
using System.Text;
#endregion
[DefaultProperty("MovieURL"),
ToolboxData("<{0}:MediaPlayerActX runat=server>")]
//MediaPlayerActX is the name of my aspx form
public partial class MediaPlayerActX : System.Web.UI.WebControls.WebControl //here i have change the .page into .webcontrols.webcontrol
{
#region Default Property Values
const string DefaultMovieURL = "";
const bool DefaultAutoStart = false;
const int DefaultBalance = 0;
const int DefaultCurrentPosition = 0;
const bool DefaultEnableContextMenu = true;
const bool DefaultFullScreen = false;
const bool DefaultMute = false;
const int DefaultPlayCount = 1;
const System.Single DefaultRate = (float)1.0;
const bool DefaultStretchToFit = false;
const Enumerations.PlayerMode DefaultUIMode = Enumerations.PlayerMode.Full;
const int DefaultVolume = -1;
#endregion
#region Constructor
public MediaPlayerActX()
{
this.Width = System.Web.UI.WebControls.Unit.Pixel(320);
this.Height = System.Web.UI.WebControls.Unit.Pixel(240);
}
#endregion
#region Public properties
[Bindable(true),Category("Settings"),Description("Absolute or relative URL to movie.")]
public string MovieURL
{
get
{
if (ViewState["MovieURL"] == null)
return DefaultMovieURL;
else
return (string)ViewState["MovieURL"];
}
set
{
if (value != DefaultMovieURL)
ViewState["MovieURL"] = value;
else
ViewState["MovieURL"] = null;
}
}
[Bindable(true), Category("Settings"), Description("Would movie play when page is loaded.")]
public bool AutoStart
{
get
{
if (ViewState["AutoStart"] == null)
return DefaultAutoStart;
else
return (bool)ViewState["AutoStart"];
}
set
{
if (value != DefaultAutoStart)
ViewState["AutoStart"] = value;
else
ViewState["AutoStart"] = null;
}
}
[Bindable(true), Category("Settings"), Description("Balance")]
int Balance
{
get
{
if (ViewState["Balance"] == null)
return DefaultBalance;
else
return (int)ViewState["Balance"];
}
set
{
if (value > 100)
value = 100;
if (value < -100)
value = -100;
if (value != DefaultBalance)
ViewState["Balance"] = value;
else
ViewState["Balance"] = null;
}
}
[Bindable(true), Category("Settings"), Description("Current postion.")]
int CurrentPosition
{
get
{
if (ViewState["CurrentPosition"] == null)
return DefaultCurrentPosition;
else
return (int)ViewState["CurrentPosition"];
}
set
{
if (value < 0)
value = 0;
if (value != DefaultCurrentPosition)
ViewState["CurrentPosition"] = value;
else
ViewState["CurrentPosition"] = null;
}
}
[Bindable(true), Category("Settings")]
bool EnableContextMenu
{
get
{
if (ViewState["EnableContextMenu"] == null)
return DefaultEnableContextMenu;
else
return (bool)ViewState["EnableContextMenu"];
}
set
{
if (value != DefaultEnableContextMenu)
ViewState["EnablecontextMenu"] = value;
else
ViewState["EnablecontextMenu"] = null;
}
}
[Bindable(true), Category("Settings"), Description("Would movie be played in full screen.")]
bool FullScreen
{
get
{
if (ViewState["FullScreen"] == null)
return DefaultFullScreen;
else
return (bool)ViewState["FullScreen"];
}
set
{
if (value != DefaultFullScreen)
ViewState["FullScreen"] = value;
else
ViewState["FullScreen"] = null;
}
}
[Bindable(true), Category("Settings"), Description("Play video without sound.")]
bool Mute
{
get
{
if (ViewState["Mute"] == null)
return DefaultMute;
else
return (bool)ViewState["Mute"];
}
set
{
if (value != DefaultMute)
ViewState["Mute"] = value;
else
ViewState["Mute"] = null;
}
}
[Bindable(true), Category("Settings"), Description("How much times will video play.")]
int PlayCount
{
get
{
if (ViewState["PlayCount"] == null)
return DefaultPlayCount;
else
return (int)ViewState["PlayCount"];
}
set
{
if (value < 1)
value = 1;
if (value != DefaultPlayCount)
ViewState["PlayCount"] = value;
else
ViewState["PlayCount"] = null;
}
}
[Bindable(true), Category("Settings")]
System.Single Rate
{
get
{
if (ViewState["Rate"] == null)
return DefaultRate;
else
return (float)ViewState["Rate"];
}
set
{
if (value < 0.0)
value = (float)1.0;
if (value != DefaultRate)
ViewState["Rate"] = value;
else
ViewState["Rate"] = null;
}
}
[Bindable(true), Category("Settings")]
bool StretchToFit
{
get
{
if (ViewState["StretchToFit"] == null)
return DefaultStretchToFit;
else
return (bool)ViewState["StretchToFit"];
}
set
{
if (value != DefaultStretchToFit)
ViewState["StretchToFit"] = value;
else
ViewState["StretchToFit"] = null;
}
}
[Bindable(true), Category("Settings"), Description("Set how player will look like.")]
Enumerations.PlayerMode uiMode
{
get
{
if (ViewState["uiMode"] == null)
return DefaultUIMode;
else
return (Enumerations.PlayerMode)ViewState["uiMode"];
}
set
{
if (value != DefaultUIMode)
ViewState["uiMode"] = value;
else
ViewState["uiMode"] = null;
}
}
[Bindable(true), Category("Settings"), Description("Set sound volume")]
int Volume
{
get
{
if (ViewState["Volume"] == null)
return DefaultVolume;
else
return (int)ViewState["Volume"];
}
set
{
if (value != DefaultVolume)
ViewState["Volume"] = value;
else
ViewState["Volume"] = null;
}
}
#endregion
#region Private functions
private string getPlayerMode()
{
switch (uiMode)
{
case Enumerations.PlayerMode.Invisible:
return "invisible";
case Enumerations.PlayerMode.Mini:
return "mini";
case Enumerations.PlayerMode.None:
return "none";
default:
return "full";
}
}
#endregion
#region Render
[Description("Render control, depending of property values")]
protected override void RenderContents(HtmlTextWriter output)
{
StringBuilder content = new StringBuilder();
content.Append("<object width="\" height="\" mode="hold" /> "\" CLASSID=\"CLSID:6BF52A52-394A-11d3-B153-00C04F79FAA6\" VIEWASTEXT>\n");
content.Append("<param name="\" value="\" autostart="">\n");
content.Append("<param name="\" value="\" movieurl="">\n");
content.Append("<param name="\" value="\" enabled="">\n");
content.Append("<param name="\" value="\" balance="">\n");
content.Append("<param name="\" value="\" currentposition="">\n");
content.Append("<param name="\" value="\" enablecontextmenu="">\n");
content.Append("<param name="\" value="\" fullscreen="">\n");
content.Append("<param name="\" value="\" mute="">\n");
content.Append("<param name="\" value="\" playcount="">");
content.Append("<param name="\" value="\" rate="">");
content.Append("<param name="\" value="\" stretchtofit="">");
content.Append("<param name="\" value="\">");
if(Volume >= 0)
content.Append("<param name="\" value="\" volume="">");
content.Append("");
output.Write(content.ToString());
}
}
#endregion
#region Enumerations
namespace Enumerations
{
[Description("Player mode can be Invisible, None, Mini and Full")]
public enum PlayerMode
{
Invisible = 0,
None = 1,
Mini = 2,
Full = 3
}
}
#endregion
// protected void Page_Load(object sender, EventArgs e)
// {
// }
//}
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推荐答案
看看这些文章:
ASP.NET Media Player控件 [ ^ ]
ASP.NET MediaPlayer控件介绍 [ ^ ]
Have a look at these articles:
ASP.NET Media Player Control[^]
Introduction to the ASP.NET MediaPlayer Control[^]
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