private bool SelectProfile(IWMEncSourceGroup SrcGrp)
{
string ProfileName = null;
switch (m_CurrentProfile)
{
case EncodingProfileEnum.LOW:
ProfileName = VbcLowProfile;
break;
case EncodingProfileEnum.HIGH:
ProfileName = VbcHighProfile;
break;
case EncodingProfileEnum.LOSSLESS:
ProfileName = VbcLosslessProfile;
break;
}
IWMEncProfileCollection ProColl = m_Encoder.ProfileCollection;
IWMEncProfile Pro;
for (int i = 0; i < ProColl.Count; i++)
{
Pro = ProColl.Item(i);
if (Pro.Name == ProfileName)
{
SrcGrp.set_Profile(Pro);
return(true);
}
}
return(false);
}
public void SetProfile()
{
m_profileCollection = m_encoder.ProfileCollection;
for (int i = 0; i < m_profileCollection.Count; i++)
{
m_profile = m_profileCollection.Item(i);
if (m_profile.Name == Flag_configpro)
{
m_srcGrp.set_Profile(m_profile);
break;
}
}
}
static void Main()
{
try
{
// Create a WMEncoder object.
WMEncoder Encoder = new WMEncoder();
// Retrieve the source group collection.
IWMEncSourceGroupCollection SrcGrpColl = Encoder.SourceGroupCollection;
// Add a source group to the collection.
IWMEncSourceGroup SrcGrp = SrcGrpColl.Add("SG_1");
// Add a video and audio source to the source group.
IWMEncSource SrcAud = SrcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_AUDIO);
SrcAud.SetInput("C:\\Inputfile.mpg", "", "");
IWMEncVideoSource2 SrcVid = (IWMEncVideoSource2)SrcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_VIDEO);
SrcVid.SetInput("C:\\Inputfile.mpg", "", "");
// Crop 2 pixels from each edge of the video image.
SrcVid.CroppingBottomMargin = 2;
SrcVid.CroppingTopMargin = 2;
SrcVid.CroppingLeftMargin = 2;
SrcVid.CroppingRightMargin = 2;
// Specify a file object in which to save encoded content.
IWMEncFile File = Encoder.File;
File.LocalFileName = "C:\\OutputFile.wmv";
// Choose a profile from the collection.
IWMEncProfileCollection ProColl = Encoder.ProfileCollection;
IWMEncProfile Pro;
for (int i = 0; i < ProColl.Count; i++)
{
Pro = ProColl.Item(i);
if (Pro.Name == "Windows Media Video 8 for Local Area Network (384 Kbps)")
{
SrcGrp.set_Profile(Pro);
break;
}
}
// Fill in the description object members.
IWMEncDisplayInfo Descr = Encoder.DisplayInfo;
Descr.Author = "Author name";
Descr.Copyright = "Copyright information";
Descr.Description = "Text description of encoded content";
Descr.Rating = "Rating information";
Descr.Title = "Title of encoded content";
// Add an attribute to the collection.
IWMEncAttributes Attr = Encoder.Attributes;
Attr.Add("URL", "IP address");
// Start the encoding process.
// Wait until the encoding process stops before exiting the application.
Encoder.PrepareToEncode(true);
Encoder.Start();
Console.WriteLine("Press Enter when the file has been encoded.");
Console.ReadLine(); // Press Enter after the file has been encoded.
}
catch (Exception e)
{
// TODO: Handle exceptions.
}
}
public void SetProfile()
{
m_profileCollection = m_encoder.ProfileCollection;
for(int i = 0; i < m_profileCollection.Count; i++)
{
m_profile = m_profileCollection.Item(i);
if( m_profile.Name == Flag_configpro)
{
m_srcGrp.set_Profile(m_profile);
break;
}
}
}
//To Start the Recording.
private void startRecordingToolStripMenuItem_Click(object sender, EventArgs e)
{
IWMEncProfile SelProfile;
IWMEncSource AudioSrc;
try
{
if (DesktopEncoder != null)
{
if (DesktopEncoder.RunState == WMENC_ENCODER_STATE.WMENC_ENCODER_PAUSED)
{
DesktopEncoder.Start();
return;
}
}
DesktopEncoderAppln = new WMEncoderApp();
DesktopEncoder = DesktopEncoderAppln.Encoder;
IWMEncSourceGroupCollection SrcGroupCollection = DesktopEncoder.SourceGroupCollection;
IWMEncSourceGroup SrcGroup = SrcGroupCollection.Add("SG_1");
IWMEncVideoSource2 VideoSrc = (IWMEncVideoSource2)SrcGroup.AddSource(WMENC_SOURCE_TYPE.WMENC_VIDEO);
//Set Audio Source.
if (addAudio.Checked)
{
AudioSrc = SrcGroup.AddSource(WMENC_SOURCE_TYPE.WMENC_AUDIO);
if (txtAudioFile.Text.Trim() != "")
{
if (File.Exists(txtAudioFile.Text.Trim()))
{
AudioSrc.SetInput(txtAudioFile.Text.Trim(), "", "");
}
else
{
AudioSrc.SetInput("Default_Audio_Device", "Device", "");
}
}
else
{
AudioSrc.SetInput("Default_Audio_Device", "Device", "");
}
}
//Set Video Source:Desktop.
VideoSrc.SetInput("ScreenCapture1", "ScreenCap", "");
IWMEncProfileCollection ProfileCollection = DesktopEncoder.ProfileCollection;
ProfileCollection = DesktopEncoder.ProfileCollection;
int lLength = ProfileCollection.Count;
//Set Profile.
if (toolstripEnableBroadcast.Checked && txtPortNbr.Text.Trim() != "")
{
IWMEncBroadcast broadcast = DesktopEncoder.Broadcast;
broadcast.set_PortNumber(WMENC_BROADCAST_PROTOCOL.WMENC_PROTOCOL_HTTP, Convert.ToInt32(txtPortNbr.Text.Trim()));
for (int i = 0; i <= lLength - 1; i++)
{
SelProfile = ProfileCollection.Item(i);
if (SelProfile.Name == "Windows Media Video 8 for Local Area Network (768 Kbps)")
{
SrcGroup.set_Profile((IWMEncProfile)SelProfile);
break;
}
}
}
else
{
for (int i = 0; i <= lLength - 1; i++)
{
SelProfile = ProfileCollection.Item(i);
if (SelProfile.Name == "Screen Video/Audio High (CBR)")
{
SrcGroup.set_Profile((IWMEncProfile)SelProfile);
break;
}
}
}
//Local File to Store Recording temporarily.
IWMEncFile inputFile = DesktopEncoder.File;
inputFile.LocalFileName = "C:\\TempRecording.wmv";
DesktopEncoder.PrepareToEncode(true);
DesktopEncoder.Start();
tmrRcCounter.Enabled = true;
recordStarttime = DateTime.Now;
if (toolstripEnableBroadcast.Checked && txtPortNbr.Text.Trim() != "")
{
//Start Timer to Count Viewers connected to Broadcast.
tmrViewerCount.Enabled = true;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void InitializeEncoder()
{
SrcGrpColl = Encoder.SourceGroupCollection;
SrcGrp = SrcGrpColl.Add("SG_1");
SrcAud = SrcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_AUDIO);
SrcVid = (IWMEncVideoSource2)SrcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_VIDEO);
SrcAud.SetInput("Default_Audio_Device", "Device", "");
SrcVid.SetInput("Default_Video_Device", "Device", "");
ProColl = Encoder.ProfileCollection;
for (int i = 0; i < ProColl.Count; i++)
{
Pro = ProColl.Item(i);
data.Add(Pro.Name);
if (Pro.Name == Codec)
{
SrcGrp.set_Profile(Pro);
break;
}
}
BrdCst = Encoder.Broadcast;
BrdCst.set_PortNumber(WMENC_BROADCAST_PROTOCOL.WMENC_PROTOCOL_HTTP, Port);
}
/// <summary>
/// 开始录制
/// </summary>
/// <param name="mediaInfo"></param>
/// <param name="captureArea">捕获区域（录制的区域）</param>
internal override void Start(MediaInfo mediaInfo, ScreenArea captureArea)
{
// 设置一些必要的变量
IWMEncSourceGroupCollection sourceGroupCollection;
IWMEncSourceGroup2 sourceGroup;
IWMEncAudioSource audioSource;
IWMEncVideoSource2 vedioSource;
//IWMEncProfile2 Pro;
sourceGroupCollection = encoder.SourceGroupCollection;
sourceGroup = (IWMEncSourceGroup2)sourceGroupCollection.Add("SG_1");
// 假如 是仅音频，或者是 音频视频 全有，则添加音频设备，并进行相关设置
if (mediaInfo.AudioVedio == AudioVedioType.AudioOnly || mediaInfo.AudioVedio == AudioVedioType.Both)
{
audioSource = (IWMEncAudioSource)sourceGroup.AddSource(WMENC_SOURCE_TYPE.WMENC_AUDIO);
audioSource.SetInput("Default_Audio_Device", "DEVICE", "");
}
// 假如 是仅视频，或者是 音频视频 全有，则添加视频设备
if (mediaInfo.AudioVedio == AudioVedioType.VedioOnly || mediaInfo.AudioVedio == AudioVedioType.Both)
{
vedioSource = (IWMEncVideoSource2)sourceGroup.AddSource(WMENC_SOURCE_TYPE.WMENC_VIDEO);
vedioSource.SetInput("ScreenCapture1", "ScreenCap", "");
// 视频尺寸/显示器尺寸 缩放比
Size screenSize = SystemInformation.PrimaryMonitorSize;
float scaleX = (float)vedioSource.Height / (float)screenSize.Height;
float scaleY = (float)vedioSource.Width / (float)screenSize.Width;
// 设置左边和上部剪裁区
vedioSource.CroppingLeftMargin = (int)((float)captureArea.X * scaleY);
vedioSource.CroppingTopMargin = (int)((float)captureArea.Y * scaleX);
// 设置右边和下部剪裁区
int bottomMargin = screenSize.Height - captureArea.Height - captureArea.Y;
int rightMargin = screenSize.Width - captureArea.Weight - captureArea.X;
vedioSource.CroppingRightMargin = (int)((float)bottomMargin * scaleY);
vedioSource.CroppingBottomMargin = (int)((float)rightMargin * scaleX);
}
// 设置压缩方式
// 首先必须刷新一下信息
IWMEncSourcePluginInfoManager sourcePluginInfoManager = encoder.SourcePluginInfoManager;
sourcePluginInfoManager.Refresh();
IWMEncProfileCollection wpfc = encoder.ProfileCollection;
// 将压缩方式的名称添加进 profileNames 变量,将压缩方式对象本身添加到profiles 变量
for (int i = 0; i < wpfc.Count; i++)
{
if (mediaInfo.ProfileName == wpfc.Item(i).Name)
{
sourceGroup.set_Profile(wpfc.Item(i));
break;
}
}
// 设置存放位置
encoder.File.LocalFileName = mediaInfo.SavePath;
// 启动
encoder.Start();
}
public override Hashtable GetProfileInfos()
{
// 先清空
profileInfos.Clear();
// 声明必要变量
IWMEncSourcePluginInfoManager sourceGroupCollection = encoder.SourcePluginInfoManager;
IWMEncProfileCollection profileCollection = encoder.ProfileCollection;
IWMEncProfile2 profile2 = new WMEncProfile2Class();
// 刷新
sourceGroupCollection.Refresh();
// 将所有压缩方式的相关信息 依次存入 profileInfos（Hashtable）。
for (int i = 0; i < profileCollection.Count; i++)
{
// 利用wp2获取压缩方式的相关信息
profile2.LoadFromIWMProfile((IWMEncProfile)profileCollection.Item(i));
// 获取压缩方式的相关描述
StringBuilder profileInfo = new StringBuilder();
profileInfo.AppendLine(profileCollection.Item(i).Description);
for (int j = 0; j < profile2.AudienceCount; j++)
{
IWMEncAudienceObj audienceObj = profile2.get_Audience(j);
// 假如此听众处于被选中状态
if (audienceObj.Selected)
{
object audioCodecName = null;
object videoCodecName = null;
try
{
// 得到音频编码名称
int audioCodecIndex = audienceObj.get_AudioCodec(0);
profile2.EnumAudioCodec(audioCodecIndex, out audioCodecName);
// 得到视频编码名称
int videoCodecIndex = audienceObj.get_VideoCodec(0);
profile2.EnumVideoCodec(videoCodecIndex, out videoCodecName);
}
catch
{
}
// 假如音频编码名称不为NULL
if (audioCodecName != null)
{
profileInfo.AppendLine("音频编码：" + audioCodecName.ToString());
}
// // 假如频编码名称不为NULL
if (videoCodecName != null)
{
profileInfo.AppendLine("视频编码：" + videoCodecName.ToString());
profileInfo.AppendLine("视频高度：" + Convert.ToString(audienceObj.get_VideoHeight(0)) + "\t视频宽度：" + Convert.ToString(audienceObj.get_VideoWidth(0)));
}
}
}
profileInfos.Add(profileCollection.Item(i).Name, profileInfo.ToString());
}
return(profileInfos);
}
