public void CaptureScreen()
{
Encoder = new WMEncoder();
outputPath= @strFolderPath+@"C:\MyData\Captures\MyCaptures.wmv";
IWMEncSourceGroup2 SrcGrp;
IWMEncSourceGroupCollection SrcGrpColl;
SrcGrpColl = Encoder.SourceGroupCollection;
SrcGrp = (IWMEncSourceGroup2)SrcGrpColl.Add ("SG_1");
IWMEncVideoSource2 SrcVid;
//IWMEncAudioSource SrcAud;
IWMEncSource SrcAud;
SrcVid = (IWMEncVideoSource2)SrcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_VIDEO);
SrcAud = (IWMEncSource) SrcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_AUDIO);
SrcVid.SetInput("ScreenCapture1","ScreenCap","");
SrcAud.SetInput("Default_Audio_Device","Device", "");
IWMEncProfileCollection ProColl;
IWMEncProfile Pro;
int i;
long lLength;
ProColl = Encoder.ProfileCollection;
lLength = ProColl.Count;
for( i = 0 ; i < lLength - 1; i++)
Console.WriteLine (ProColl.Item(i).Name);
for (i = 0; i <= lLength - 1; i++)
{
Pro = ProColl.Item(i);
if (Pro.Name == "Screen Video/Audio High (CBR)")
{
SrcGrp.set_Profile((IWMEncProfile) Pro);
break;
}
}
IWMEncDisplayInfo Descr;
Descr = Encoder.DisplayInfo;
Descr.Author = "Stein.Jin";
Descr.Copyright = "Copyright information";
Descr.Description = "Text description of encoded content";
Descr.Rating = "Rating information";
Descr.Title = "Title of encoded content";
IWMEncAttributes Attr;
Attr = Encoder.Attributes;
Attr.Add("URL", "www.google.com");
IWMEncFile File;
File = Encoder.File;
File.LocalFileName = outputPath;
SrcVid.CroppingBottomMargin = 2;
SrcVid.CroppingTopMargin = 2;
SrcVid.CroppingLeftMargin = 2;
SrcVid.CroppingRightMargin = 2;
Encoder.PrepareToEncode(true);
Encoder.Start();
}
public static int GetSecondsTilDone(WMEncoder encoder, DateTime startTime)
{
int secsleft = -1;
IWMEncStatistics stats = encoder.Statistics;
IWMEncSourceGroup grp = encoder.SourceGroupCollection.Item("SG_1");
IWMEncAudioSource audsrc = (IWMEncAudioSource)grp.get_Source(WMENC_SOURCE_TYPE.WMENC_AUDIO, 0);
double durationSecs = (double)GetAudioSourceDuration(audsrc) / 1000F;
double encodingTimeSecs = (double)(stats.EncodingTime * 10);
double percentDone = encodingTimeSecs / durationSecs;
TimeSpan ts = DateTime.UtcNow.Subtract(startTime);
double estimatedTime = (ts.TotalSeconds / percentDone);
secsleft = (int)(estimatedTime - ts.TotalSeconds);
if (secsleft < 0)
secsleft = -1;
Logger.WriteLogMessage("Duration: " + durationSecs.ToString("G4") + " seconds, encoding source elapsed time: " + encodingTimeSecs.ToString("G4") + " seconds.");
Logger.WriteLogMessage("Percent done: " + String.Format("{0:P}", percentDone) + ", encoding time left: " + secsleft + " seconds, estimated encoding time: " + estimatedTime.ToString("G4") + " seconds, elapsed time: " + ts.TotalSeconds.ToString("G4") + " seconds.");
return secsleft;
}
public static int GetSecondsTilDone(WMEncoder encoder, DateTime startTime)
{
int secsleft = -1;
IWMEncStatistics stats = encoder.Statistics;
IWMEncSourceGroup grp = encoder.SourceGroupCollection.Item("SG_1");
IWMEncAudioSource audsrc = (IWMEncAudioSource)grp.get_Source(WMENC_SOURCE_TYPE.WMENC_AUDIO, 0);
double durationSecs = (double)GetAudioSourceDuration(audsrc) / 1000F;
double encodingTimeSecs = (double)(stats.EncodingTime * 10);
double percentDone = encodingTimeSecs / durationSecs;
TimeSpan ts = DateTime.UtcNow.Subtract(startTime);
double estimatedTime = (ts.TotalSeconds / percentDone);
secsleft = (int)(estimatedTime - ts.TotalSeconds);
if (secsleft < 0)
{
secsleft = -1;
}
Logger.WriteLogMessage("Duration: " + durationSecs.ToString("G4") + " seconds, encoding source elapsed time: " + encodingTimeSecs.ToString("G4") + " seconds.");
Logger.WriteLogMessage("Percent done: " + String.Format("{0:P}", percentDone) + ", encoding time left: " + secsleft + " seconds, estimated encoding time: " + estimatedTime.ToString("G4") + " seconds, elapsed time: " + ts.TotalSeconds.ToString("G4") + " seconds.");
return(secsleft);
}
private void Page_Load(object sender, System.EventArgs e)
{
WMEncoder encoder = new WMEncoder();
WMEncProfile2 profile = new WMEncProfile2();
profile.LoadFromFile(Server.MapPath("~/scmeda.prx"));
IWMEncSourceGroupCollection srcGrpColl = encoder.SourceGroupCollection;
IWMEncSourceGroup srcGrp = srcGrpColl.Add("SingleEncode");
srcGrp.set_Profile(profile);
IWMEncAudioSource audio = (WMEncoderLib.IWMEncAudioSource)srcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_AUDIO);
audio.SetInput(Server.MapPath("~/cabeloEncolheu.wma"), "", "");
audio.PreProcessPass = 0;
IWMEncFile2 file = (IWMEncFile2)encoder.File;
file.LocalFileName = Server.MapPath("~/cabeloEncolheu.mp3");
encoder.PrepareToEncode(true);
encoder.Start();
}
/// <summary>
/// Saves the video.
/// </summary>
/// <param name="fileName">Name of the file.</param>
/// <param name="profileFileName">Name of the profile file.</param>
/// <param name="framesPerSecond">Frames per second.</param>
/// <param name="bitmaps">Bitmaps.</param>
public WmvEncoder(string profileFileName, ulong framesPerSecond)
{
try
{
WMEncoder encoder = new WMEncoder();
IWMEncProfile2 profile = WMEncProfile.LoadEncodingProfile(encoder, profileFileName);
WMEncProfile.ReleaseEncoder(ref encoder);
writer = new WmvWriter();
writer.SetProfile((IWMProfile)profile.SaveToIWMProfile());
viHeader = new VideoInfoHeader();
bool bret = writer.FindVideoInputFormat(0, MediaSubTypes.WMMEDIASUBTYPE_RGB24, ref viHeader, false);
if (!bret)
{
throw new Exception("FindVideoInputFormat error");
}
;
frame = new Bitmap((int)viHeader.bmiHeader.biWidth, (int)viHeader.bmiHeader.biHeight, PixelFormat.Format24bppRgb);
fps = framesPerSecond;
}
catch (Exception)
{
// error handle
throw;
}
}
private void sEnumDRMProfiles()
{
if (ComboBox_DRMProfile.Items.Count > 0)
{
return;
}
try
{
WMEncoder tempEncoder = new WMEncoder();
IWMDRMContentAuthor DRM = tempEncoder.EncoderDRMContentAuthor;
IWMDRMProfileCollection DRMProColl = DRM.DRMProfileCollection;
int i;
ComboBox_DRMProfile.Items.Add("None");
for (i = 0; i < DRMProColl.Count; i++)
{
ComboBox_DRMProfile.Items.Add(DRMProColl.Item(i).Name);
}
ComboBox_DRMProfile.SelectedIndex = 0;
tempEncoder = null;
}
catch (System.Runtime.InteropServices.COMException ex)
{
InstallEncoderQuery(ex);
}
catch (Exception ex)
{
string strError = ex.ToString();
}
}
private void sReportPercentComplete(WMEncoder glbEncoder)
{
if (glbEncoder.RunState == WMENC_ENCODER_STATE.WMENC_ENCODER_RUNNING)
{
IWMEncStatistics Stats = glbEncoder.Statistics;
IWMEncFileArchiveStats FileStats = (IWMEncFileArchiveStats)Stats.FileArchiveStats;
int intCurrentFileDuration;
int intPercentComplete;
intCurrentFileDuration = System.Convert.ToInt32(FileStats.FileDuration * 10);
try
{
intPercentComplete = 100 * intCurrentFileDuration / glbintSourceDuration;
_backgroundWorker.ReportProgress(intPercentComplete, intPercentComplete.ToString() + "% Complete");
}
catch (Exception ex)
{
string strError = ex.ToString();
sDisplayErrMessage(strError);
}
finally
{
FileStats = null;
Stats = null;
}
}
}
private void EncodingCompleted()
{
m_EncodingDone = true;
Debug.WriteLine("Completed pass " + m_Profile.ToString() +
" WMENC_ENCODER_STATE.WMENC_ENCODER_STOPPED");
lblStatus.Text = " Finished encoding " + m_Profile.ToString();
m_Encoder.OnStateChange -= new _IWMEncoderEvents_OnStateChangeEventHandler(
OnStateChange);
m_Encoder = null;
switch (m_Profile)
{
case EncodingProfileEnum.LOW:
m_Profile = EncodingProfileEnum.HIGH;
EncodeFile(m_Profile);
break;
case EncodingProfileEnum.HIGH:
m_Profile = EncodingProfileEnum.LOSSLESS;
EncodeFile(m_Profile);
break;
case EncodingProfileEnum.LOSSLESS:
break;
}
}
public static IWMEncProfile2 LoadEncodingProfile(WMEncoder encoder, string profileFilePath)
{
if (encoder == null)
throw new ArgumentNullException("encoder", "Invalid WMEncoder parameter.");
WMEncProfile2 profile2 = new WMEncProfile2();
profile2.LoadFromFile(profileFilePath);
return (IWMEncProfile2)profile2;
}
private void btnStop_Click(object sender, EventArgs e)
{
if (enc != null)
{
// 停止编码
enc.Stop();
enc = null;
btnStart.Enabled = true;
btnStop.Enabled = false;
}
}
public bool EnumerateAudioSources()
{
try
{
WMEncoder Encoder = new WMEncoder();
// Retrieve source and device plug-in info manager objects from WMEncoder.
IWMEncSourcePluginInfoManager SrcPlugMgr = Encoder.SourcePluginInfoManager;
IWMEncDeviceControlPluginInfoManager DCPlugMgr = Encoder.DeviceControlPluginInfoManager;
// Loop through all the audio and video devices on the system.
IWMEncPluginInfo PlugInfo;
for (int i = 0; i < SrcPlugMgr.Count; i++)
{
// Set the IWMEncPluginInfo object to the current plug-in.
PlugInfo = SrcPlugMgr.Item(i);
// Find the device plug-ins that support resources.
if (PlugInfo.SchemeType == "DEVICE" && PlugInfo.Resources == true)
{
// Loop through the resources in the current plug-in.
for (int j = 0; j < PlugInfo.Count; j++)
{
//if(frm_Rec.chkAudio.Checked==true)
{
// Add audio resources to the cboAudioSource combo box.
if (PlugInfo.MediaType == WMENC_SOURCE_TYPE.WMENC_AUDIO)
{
m_sourceEnumDlg.audioSources.Items.Add(PlugInfo.Item(j));
}
}
}
}
}
}
catch (Exception exp)
{
WebMeeting.Client.ClientUI.getInstance().ShowExceptionMessage("Video Recordong Module ===>Screen Capture.cs line==> 147", exp, "Error Enumeration Audio Resources: " + exp.Message.ToString(), true);
//WebMeeting.Client.ClientUI.getInstance().ShowExceptionMessage("Error Stoping encoder: " + exp.Message.ToString());
//Trace.WriteLine(exp.ToString()+"---"+exp.Message+"---"+exp.Source+exp.StackTrace+"---"+exp.TargetSite+"---"+exp.InnerException);
}
//DialogResult ret = m_sourceEnumDlg.ShowDialog();
//if( ret == DialogResult.Cancel)
// return false;
//m_szAudioSource = m_sourceEnumDlg.selectedItem;
m_szAudioSource = config.Read("Driver");
return(true);
}
/// <summary>
/// Saves the video.
/// </summary>
/// <param name="fileName">Name of the file.</param>
/// <param name="profileFileName">Name of the profile file.</param>
/// <param name="files">Files.</param>
public static void SaveVideo(string fileName, string profileFileName, ulong framesPerSecond, string [] files)
{
WMEncoder encoder = new WMEncoder();
IWMEncProfile2 profile = WMEncProfile.LoadEncodingProfile(encoder, profileFileName);
WMEncProfile.ReleaseEncoder(ref encoder);
using (WmvWriter writer = new WmvWriter())
{
writer.Initialize((IWMProfile)profile.SaveToIWMProfile(), fileName);
VideoInfoHeader viHeader = new VideoInfoHeader();
writer.FindVideoInputFormat(0, MediaSubTypes.WMMEDIASUBTYPE_RGB24, ref viHeader, false);
writer.Start();
INSSBuffer sample = null;
int bmcount = 0;
Bitmap frame = new Bitmap((int)viHeader.bmiHeader.biWidth, (int)viHeader.bmiHeader.biHeight, PixelFormat.Format24bppRgb);;
ulong fps = framesPerSecond;
for (int i = 0; i < files.Length; i++)
{
if (files[i] != null)
{
Bitmap bmp = new Bitmap(files[i]);
using (Graphics g = Graphics.FromImage(frame))
{
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.CompositingQuality = CompositingQuality.HighQuality;
g.SmoothingMode = SmoothingMode.HighQuality;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
g.DrawImage(bmp, 0, 0, frame.Width, frame.Height);
Console.Out.Write(".");
}
// Now render to the movie
try
{
ulong time = ((ulong)bmcount++ *TimeSpan.TicksPerSecond) / fps;
sample = writer.GetSampleFromBitmap(frame);
writer.Writer.WriteSample(0, time, (uint)WMT_STREAM_SAMPLE_TYPE.WM_SF_CLEANPOINT, sample);
}
finally
{
Marshal.ReleaseComObject(sample);
sample = null;
bmp = null;
GC.Collect();
}
}
}
}
}
public VideoRecorder()
{
try
{
m_Encoder = new WMEncoder();
}
catch (System.Exception ex)
{
System.Windows.Forms.MessageBox.Show("视频解码器启动失败，视频录制功能将不能正常使用！\r\n" + ex.Message, "视频解码器启动失败",
System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Warning);
}
}
public static IWMEncProfile2 LoadEncodingProfile(WMEncoder encoder, string profileFilePath)
{
if (encoder == null)
{
throw new ArgumentNullException("encoder", "Invalid WMEncoder parameter.");
}
WMEncProfile2 profile2 = new WMEncProfile2();
profile2.LoadFromFile(profileFilePath);
return((IWMEncProfile2)profile2);
}
public void InitializeEncoder()
{
try
{
frm_Rec = new WebMeeting.Client.Screen_Capture.frm_Rec();
config = new Config();
config.cfgFile = "WebMeeting.exe.config";
// create encoder object
m_encoder = new WMEncoder();
m_encoder.DisplayInfo.Author = "Zaeem";
m_encoder.DisplayInfo.Copyright = "Uraan Software Solutions";
m_encoder.DisplayInfo.Description = "Uraan Generated Media File for Screen Recording";
m_encoder.DisplayInfo.Title = "Recorded Screen";
m_encoder.DisplayInfo.Title = "Recorded Screen";
m_encoder.DisplayInfo.Rating = "1";
m_encoder.DisplayInfo.Description = "This file is Generated through CampusNav developed by Uraan Software Solution";
// retrive source group collection
m_sourceGroupCollection = m_encoder.SourceGroupCollection;
// add a source group to collection
m_srcGrp = m_sourceGroupCollection.Add("SG_1");
m_sourceEnumDlg = new SourceEnum();
// add a screen source
if (EnumerateAudioSources())
{
m_audSource = m_srcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_AUDIO);
m_audSource.SetInput(m_szAudioSource, "Device", "");
}
// set screen as source
m_screenSource = (IWMEncVideoSource2)m_srcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_VIDEO);
m_screenSource.SetInput("ScreenCapture1", "ScreenCap", "");
}
catch (Exception exp)
{
WebMeeting.Client.ClientUI.getInstance().ShowExceptionMessage("Video Recordong Module ===>Screen Capture.cs line==> 99", exp, "Error Loading Encoder: " + exp.Message.ToString(), false);
if (MessageBox.Show("Either You do not have required components of Windows Media Encoder or they are corrupted on your Machine: " + /*+exp.Message.ToString() + */ ". Do you want to download now?", "WebMeeting", MessageBoxButtons.YesNo, MessageBoxIcon.Information) == DialogResult.Yes)
{
Win32.Shell32.ShellExecute(0, "Open", WebMeeting.Client.Info.getInstance().WebsiteName + "/wmencoder.exe", "", "", 1);
}
//WebMeeting.Client.ClientUI.getInstance().ShowExceptionMessage("Error Stoping encoder: " + exp.Message.ToString());
//Trace.WriteLine(exp.ToString()+"---"+exp.Message+"---"+exp.Source+exp.StackTrace+"---"+exp.TargetSite+"---"+exp.InnerException);
}
}
private void EncodeFile(EncodingProfileEnum Profile, EncoderInfo Info)
{
try
{
m_CurrentInfo = Info;
DateTime Now = DateTime.Now;
lblStatus.Text = " Starting to encode " + m_CurrentProfile.ToString() +
" Starting time = " + Now.ToLongTimeString();
m_EncodingDone = false;
// Create a WMEncoder object.
m_Encoder = new WMEncoder();
m_Encoder.OnStateChange += new _IWMEncoderEvents_OnStateChangeEventHandler(
OnStateChange);
// Retrieve the source group collection.
IWMEncSourceGroupCollection SrcGrpColl = m_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(Info.FileNameAndPath, "", "");
// Specify a file object in which to save encoded content.
SetOutputFileName(Info.FileNameNoExtension);
SelectProfile(SrcGrp);
// Fill in the description object members.
IWMEncDisplayInfo Descr = m_Encoder.DisplayInfo;
Descr.Author = Info.Author;
Descr.Copyright = "Valley Bible Church @2005";
Descr.Description = Info.Description;
Descr.Rating = "All Audiences";
Descr.Title = Info.MessageTitle;
// Add an attribute to the collection.
IWMEncAttributes Attr = m_Encoder.Attributes;
Attr.Add("URL", "IP address");
// Start the encoding process.
// Wait until the encoding process stops before exiting the application.
m_Encoder.PrepareToEncode(true);
m_Encoder.Start();
}
catch (Exception e)
{
lblError.Text = e.ToString();
Debug.WriteLine(e.ToString());
m_CurrentInfo = null;
}
}
/// <summary>
/// Saves the video.
/// </summary>
/// <param name="fileName">Name of the file.</param>
/// <param name="profileFileName">Name of the profile file.</param>
/// <param name="dr">Dr.</param>
public static void SaveVideo(string fileName, string profileFileName, ulong framesPerSecond, SqlDataReader dr)
{
WMEncoder encoder = new WMEncoder();
IWMEncProfile2 profile = WMEncProfile.LoadEncodingProfile(encoder, profileFileName);
WMEncProfile.ReleaseEncoder(ref encoder);
using(WmvWriter writer = new WmvWriter())
{
writer.Initialize((IWMProfile)profile.SaveToIWMProfile(), fileName);
VideoInfoHeader viHeader = new VideoInfoHeader();
writer.FindVideoInputFormat(0, MediaSubTypes.WMMEDIASUBTYPE_RGB24, ref viHeader, false);
writer.Start();
INSSBuffer sample = null;
int bmcount = 0;
Bitmap c = new Bitmap((int)viHeader.bmiHeader.biWidth, (int)viHeader.bmiHeader.biHeight, PixelFormat.Format24bppRgb);;
ulong fps = viHeader.AvgTimePerFrame / 100000;
while(dr.Read())
{
Bitmap b = Image.FromStream(new MemoryStream(dr.GetValue(1) as byte[])) as Bitmap;
using (Graphics g = Graphics.FromImage(c))
{
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.CompositingQuality = CompositingQuality.HighQuality;
g.SmoothingMode = SmoothingMode.HighQuality;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
g.DrawImage(b, 0, 0, c.Width, c.Height);
}
try
{
ulong time = ((ulong)bmcount++ * TimeSpan.TicksPerSecond)/fps;
sample = writer.GetSampleFromBitmap(c);
writer.Writer.WriteSample(0, time, (uint)WMT_STREAM_SAMPLE_TYPE.WM_SF_CLEANPOINT, sample);
}
finally
{
Marshal.ReleaseComObject(sample);
sample = null;
b = null;
GC.Collect();
}
}
}
}
public MediaPusher()
{
this.app = new WMEncoderAppClass();
//WMEncoderAppClass から取得しなければ
//ブロードキャストが実行できない
this.enc = (WMEncoder)(this.app.Encoder);
this.InitDevice();
this.InitEncodeProfile();
this.InitBroadCast();
this.InitEvent();
}
public Encoder(int iChannel, string WMVDirectory)
{
if (iChannel < 1 || iChannel > 4)
{
Logger.LogError("OysterEncoder.Encoder.Encoder:" + " Invalid channel number specified: " + iChannel);
throw (new ArgumentOutOfRangeException("iChannel", iChannel, "iChannel can only be between 1 and 4"));
}
m_iChannel = iChannel;
m_bIsEncoderStreaming = false;
m_bIsEncoderArchiving = false;
m_sWMVDirectory = WMVDirectory;
m_sWMVDefaultDirectory = m_sWMVDirectory;
m_sProfileDirectory = MyPath + PROFILEDIRECTORY;
if (!Directory.Exists(m_sProfileDirectory))
{
throw (new ApplicationException("Profiles directory does not exist in " + m_sProfileDirectory + "."));
}
m_encoder = new WMEncoderClass();
#region sleep code 2/16/2008
//m_encoder.OnError += m_encoder_OnError;
//m_encoder.OnClientConnect += m_encoder_OnClientConnect;
//m_encoder.OnClientDisconnect += m_encoder_OnClientDisconnect;
#endregion
#region dead code 2/16/2008
//try
//{
// _uploadServer =
// ConfigurationSettings.AppSettings["UploadServer"];
// _uploadPort = Convert.ToInt32(
// ConfigurationSettings.AppSettings["UploadPort"]);
// _uploadUser =
// ConfigurationSettings.AppSettings["UploadUser"];
// _uploadPassword =
// ConfigurationSettings.AppSettings["UploadPassword"];
//}
//catch (Exception e)
//{
// Logger.LogError("AppConfig is invalid. Exiting. Error: " + e.Message);
// throw new ApplicationException("AppConfig file information is invalid. Parts may be missing or the wrong type.");
//}
#endregion
Logger.LogInformation("Upload Server set at: " + _uploadServer);
Logger.LogInformation("Upload Port set at:" + _uploadPort);
}
public MediaPusher()
{
this.app = new WMEncoderAppClass();
//WMEncoderAppClass ����擾���Ȃ����
//�u���[�h�L���X�g�����s�ł��Ȃ�
this.enc = (WMEncoder)(this.app.Encoder);
this.InitDevice();
this.InitEncodeProfile();
this.InitBroadCast();
this.InitEvent();
}
/// <summary>
/// Saves the video.
/// </summary>
/// <param name="fileName">Name of the file.</param>
/// <param name="profileFileName">Name of the profile file.</param>
/// <param name="dr">Dr.</param>
public static void SaveVideo(string fileName, string profileFileName, ulong framesPerSecond, SqlDataReader dr)
{
WMEncoder encoder = new WMEncoder();
IWMEncProfile2 profile = WMEncProfile.LoadEncodingProfile(encoder, profileFileName);
WMEncProfile.ReleaseEncoder(ref encoder);
using (WmvWriter writer = new WmvWriter())
{
writer.Initialize((IWMProfile)profile.SaveToIWMProfile(), fileName);
VideoInfoHeader viHeader = new VideoInfoHeader();
writer.FindVideoInputFormat(0, MediaSubTypes.WMMEDIASUBTYPE_RGB24, ref viHeader, false);
writer.Start();
INSSBuffer sample = null;
int bmcount = 0;
Bitmap c = new Bitmap((int)viHeader.bmiHeader.biWidth, (int)viHeader.bmiHeader.biHeight, PixelFormat.Format24bppRgb);;
ulong fps = viHeader.AvgTimePerFrame / 100000;
while (dr.Read())
{
Bitmap b = Image.FromStream(new MemoryStream(dr.GetValue(1) as byte[])) as Bitmap;
using (Graphics g = Graphics.FromImage(c))
{
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.CompositingQuality = CompositingQuality.HighQuality;
g.SmoothingMode = SmoothingMode.HighQuality;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
g.DrawImage(b, 0, 0, c.Width, c.Height);
}
try
{
ulong time = ((ulong)bmcount++ *TimeSpan.TicksPerSecond) / fps;
sample = writer.GetSampleFromBitmap(c);
writer.Writer.WriteSample(0, time, (uint)WMT_STREAM_SAMPLE_TYPE.WM_SF_CLEANPOINT, sample);
}
finally
{
Marshal.ReleaseComObject(sample);
sample = null;
b = null;
GC.Collect();
}
}
}
}
public frm_AudioConfig()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
btn_Previous.Enabled = false;
btn_Finish.Enabled = false;
// Create a WMEncoder object.
WMEncoder Encoder = new WMEncoder();
// Retrieve source and device plug-in info manager objects from WMEncoder.
IWMEncSourcePluginInfoManager SrcPlugMgr = Encoder.SourcePluginInfoManager;
IWMEncDeviceControlPluginInfoManager DCPlugMgr = Encoder.DeviceControlPluginInfoManager;
// Loop through all the audio and video devices on the system.
for (int i = 0; i < SrcPlugMgr.Count; i++)
{
// Set the IWMEncPluginInfo object to the current plug-in.
PlugInfo = SrcPlugMgr.Item(i);
// Find the device plug-ins that support resources.
if (PlugInfo.SchemeType == "DEVICE" && PlugInfo.Resources == true)
{
// Loop through the resources in the current plug-in.
for (int j = 0; j < PlugInfo.Count; j++)
{
// Add audio resources to the cboAudioSource combo box.
if (PlugInfo.MediaType == WMENC_SOURCE_TYPE.WMENC_AUDIO)
{
cboAudioSource.Items.Add(PlugInfo.Item(j));
}
}
}
}
cboAudioSource.SelectedIndex = 0;
//
// TODO: Add any constructor code after InitializeComponent call
//
}
public VideoHelper(string saveToPath)
{
if (string.IsNullOrEmpty(saveToPath))
{
_savetoPath = string.Format(@"{0}\{1}.wmv", Environment.CurrentDirectory, TextHelper.RandomString(10));
}
else
{
_savetoPath = saveToPath;
}
try
{
encoder = new WMEncoder();
IWMEncSourceGroup2 SrcGrp;
IWMEncSourceGroupCollection SrcGrpColl;
SrcGrpColl = encoder.SourceGroupCollection;
SrcGrp = (IWMEncSourceGroup2)SrcGrpColl.Add("SG_1");
IWMEncVideoSource2 SrcVid;
SrcVid = (IWMEncVideoSource2)SrcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_VIDEO);
SrcVid.SetInput("ScreenCapture1", "ScreenCap", "");
IWMEncProfileCollection ProColl;
IWMEncProfile Pro;
int i;
long lLength;
ProColl = encoder.ProfileCollection;
lLength = ProColl.Count;
for (i = 0; i < lLength; i++)
{
Pro = ProColl.Item(i);
if (Pro.Name == "Screen Video High (CBR)")
{
SrcGrp.set_Profile((IWMEncProfile)Pro);
break;
}
}
}
catch (Exception ex)
{
throw new Exception(string.Format("{0}\r\nPlease install WMEncoder.exe http://www.microsoft.com/en-us/download/details.aspx?id=17792. \r\n And install WMEncoder Patch http://download.microsoft.com/download/0/3/D/03D35C05-67DA-40E0-9E45-3EA0CA6329A4/WindowsMedia9-KB929182-INTL.exe.", ex.Message));
}
}
private void EncodingCompleted()
{
m_EncodingDone = true;
Debug.WriteLine("Completed pass " + m_CurrentProfile.ToString() +
" WMENC_ENCODER_STATE.WMENC_ENCODER_STOPPED");
lblStatus.Text = " Finished encoding " + m_CurrentProfile.ToString();
m_Encoder.OnStateChange -= new _IWMEncoderEvents_OnStateChangeEventHandler(
OnStateChange);
m_Encoder = null;
if (m_AbortRequested == true)
{
this.Cursor = Cursors.Arrow;
m_CurrentProfile = m_StartingProfile;
m_CurrentIndex = 0;
m_AbortRequested = false;
return;
}
switch (m_CurrentProfile)
{
case EncodingProfileEnum.LOW:
m_CurrentProfile = EncodingProfileEnum.HIGH;
EncodeFile(m_CurrentProfile, this.m_CurrentInfo);
break;
case EncodingProfileEnum.HIGH:
m_CurrentProfile = EncodingProfileEnum.LOSSLESS;
EncodeFile(m_CurrentProfile, this.m_CurrentInfo);
break;
case EncodingProfileEnum.LOSSLESS:
m_CurrentIndex++;
if (m_CurrentIndex >= m_EncodingSourceInfo.Length)
{
this.Cursor = Cursors.Arrow;
}
else
{
m_CurrentProfile = m_StartingProfile;
EncodeFile(m_CurrentProfile, m_EncodingSourceInfo[m_CurrentIndex]);
}
break;
}
}
// private static void ConfigureAudioProfile(IWMEncProfile2 encProfile, IWMEncAudienceObj aud, WmaStreamSettings audStream)
// {
// Logger.WriteLogMessage("Using audio VBR mode [" + audStream.VbrMode + "], bitrate [" + audStream.Bitrate + "], peak bitrate [" + audStream.PeakBitrate + "].");
//
// switch (audStream.VbrMode)
// {
// case TranscoderSettingsBase.VbrModes.BitrateVBR:
// encProfile.set_VBRMode(WMENC_SOURCE_TYPE.WMENC_AUDIO, 0, WMENC_PROFILE_VBR_MODE.WMENC_PVM_BITRATE_BASED);
// break;
// case TranscoderSettingsBase.VbrModes.BitrateVBRPeak:
// encProfile.set_VBRMode(WMENC_SOURCE_TYPE.WMENC_AUDIO, 0, WMENC_PROFILE_VBR_MODE.WMENC_PVM_PEAK);
// aud.set_AudioPeakBitrate(0, audStream.PeakBitrate ?? audStream.Bitrate);
// break;
// case TranscoderSettingsBase.VbrModes.QualityVBR:
// encProfile.set_VBRMode(WMENC_SOURCE_TYPE.WMENC_AUDIO, 0, WMENC_PROFILE_VBR_MODE.WMENC_PVM_UNCONSTRAINED);
// break;
// case TranscoderSettingsBase.VbrModes.CBR:
// encProfile.set_VBRMode(WMENC_SOURCE_TYPE.WMENC_AUDIO, 0, WMENC_PROFILE_VBR_MODE.WMENC_PVM_NONE);
// break;
// }
//
// int codec = -1;
// object codecName;
// int fourCC;
//
// Logger.WriteLogMessage("Attempting to enumerate audio codec [" + audStream.CodecName + "].");
//
// for (int i = 0; i < encProfile.AudioCodecCount; i++)
// {
// fourCC = encProfile.EnumAudioCodec(i, out codecName);
//
// if (audStream.CodecName == (string)codecName)
// {
// codec = i;
// break;
// }
// }
//
// if (codec < 0)
// throw new Common.InvalidOperationException("Failed to locate audio codec [" + audStream.CodecName + "].");
//
// Logger.WriteLogMessage("Using audio codec [" + audStream.CodecName + "], index [" + codec + "].");
//
// aud.set_AudioCodec(0, codec);
//
// Logger.WriteLogMessage("Using audio sample rate [" + audStream.SampleRate + "], channels [" + audStream.Channels + "], bits per sample [" + audStream.BitsPerSample + "], .");
//
// aud.SetAudioConfig(0, (short)audStream.Channels, (int)audStream.SampleRate, audStream.Bitrate, (short)audStream.BitsPerSample);
//
// Logger.WriteLogMessage("Configured audio profile.");
// }
public static void ReleaseEncoder(ref WMEncoder encoder)
{
if (encoder == null)
{
return;
}
try
{
Logger.WriteLogMessage("Attempting to stop WMEncoder application, state: " + encoder.RunState + ".");
if (encoder.RunState != WMENC_ENCODER_STATE.WMENC_ENCODER_STOPPED)
{
encoder.Stop();
}
encoder.Reset();
Logger.WriteLogMessage("Successfully stopped WMEncoder application, state: " + encoder.RunState + ".");
}
catch (COMException e)
{
Logger.WriteLogError("Failed to kill WMEncoder application. HRESULT [" + String.Format("0x{0:x}", e.ErrorCode) + "].", e);
}
catch (Exception e)
{
Logger.WriteLogError("Failed to kill WMEncoder application.", e);
}
finally
{
Logger.WriteLogMessage("Releasing runtime callable wrapper.");
while (Marshal.ReleaseComObject(encoder) > 0)
{
Logger.WriteLogMessage("Releasing runtime callable wrapper again.");
}
encoder = null;
Logger.WriteLogMessage("Successfully killed WMEncoder application.");
}
}
public frm_AudioConfig()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
btn_Previous.Enabled=false;
btn_Finish.Enabled=false;
// Create a WMEncoder object.
WMEncoder Encoder = new WMEncoder();
// Retrieve source and device plug-in info manager objects from WMEncoder.
IWMEncSourcePluginInfoManager SrcPlugMgr = Encoder.SourcePluginInfoManager;
IWMEncDeviceControlPluginInfoManager DCPlugMgr = Encoder.DeviceControlPluginInfoManager;
// Loop through all the audio and video devices on the system.
for (int i = 0; i < SrcPlugMgr.Count; i++)
{
// Set the IWMEncPluginInfo object to the current plug-in.
PlugInfo = SrcPlugMgr.Item(i);
// Find the device plug-ins that support resources.
if (PlugInfo.SchemeType == "DEVICE" && PlugInfo.Resources == true)
{
// Loop through the resources in the current plug-in.
for (int j = 0; j<PlugInfo.Count; j++)
{
// Add audio resources to the cboAudioSource combo box.
if (PlugInfo.MediaType == WMENC_SOURCE_TYPE.WMENC_AUDIO)
cboAudioSource.Items.Add(PlugInfo.Item(j));
}
}
}
cboAudioSource.SelectedIndex=0;
//
// TODO: Add any constructor code after InitializeComponent call
//
}
/**
* Constructor.
*/
public Encoder()
{
this.enableRecording = false;
this.chopNumber = 0;
this.chopLength = -1;
this.choppingTimer = new System.Timers.Timer();
this.choppingTimer.Elapsed += this.OnRecordTimeElapsed;
this.archiveState = WMENC_ARCHIVE_STATE.WMENC_ARCHIVE_STOPPED;
this.stateChangeWaitHandle = new System.Threading.EventWaitHandle(false, System.Threading.EventResetMode.ManualReset, string.Empty);
this.archiveStateChangeWaitHandle = new System.Threading.EventWaitHandle(false, System.Threading.EventResetMode.ManualReset, string.Empty);
// Audio and video sources
this.audioSource = null;
this.videoSource = null;
// Windows Media Encoder
this.wmEncoder = new WMEncoderClass();
this.sourceGroup = (IWMEncSourceGroup2)this.wmEncoder.SourceGroupCollection.Add("SG_1");
this.wmEncoderProfile = new WMEncProfile2();
// For now, we only listen these events
this.wmEncoder.OnStateChange += this.OnStateChange;
this.wmEncoder.OnError += this.OnError;
this.wmEncoder.OnArchiveStateChange += this.OnArchiveStateChange;
// Set recording props.
this.wmEncoder.EnableAutoArchive = false;
this.wmEncoder.AutoIndex = false;
// Set default profile values
this.wmEncoderProfile.ValidateMode = true;
this.wmEncoderProfile.ProfileName = "Windows Media Encoder Profile";
this.wmEncoderProfile.ContentType = 17; // Audio + Video
this.wmEncoderAudience = this.wmEncoderProfile.AddAudience(100000); // Initial bitrate = 100 kbps, will change automatically
// when user sets video and audio params.
}
/// <summary>
/// Saves the video.
/// </summary>
/// <param name="fileName">Name of the file.</param>
/// <param name="profileFileName">Name of the profile file.</param>
/// <param name="framesPerSecond">Frames per second.</param>
/// <param name="bitmaps">Bitmaps.</param>
public WmvEncoder(string profileFileName, ulong framesPerSecond)
{
try
{
WMEncoder encoder = new WMEncoder();
IWMEncProfile2 profile = WMEncProfile.LoadEncodingProfile(encoder, profileFileName);
WMEncProfile.ReleaseEncoder(ref encoder);
writer = new WmvWriter();
writer.SetProfile((IWMProfile)profile.SaveToIWMProfile());
viHeader = new VideoInfoHeader();
bool bret = writer.FindVideoInputFormat(0, MediaSubTypes.WMMEDIASUBTYPE_RGB24, ref viHeader, false);
if (!bret) throw new Exception("FindVideoInputFormat error"); ;
frame = new Bitmap((int)viHeader.bmiHeader.biWidth, (int)viHeader.bmiHeader.biHeight, PixelFormat.Format24bppRgb);
fps = framesPerSecond;
}
catch (Exception)
{
// error handle
throw;
}
}
private void Screencast_Load(object sender, EventArgs e)
{
// 实例化Windows Media Encoder编码器
enc = new WMEncoderClass();
int index = 0;
int i = 0;
foreach (IWMEncProfile wp in enc.ProfileCollection)
{// 将编码器Profile名称填充到cmbEncoder下拉框
i++;
cmbEncoder.Items.Add(wp.Name);
// 存在"屏幕视频 - 高(CBR)"这一Profile则选中它
if (index == 0 && wp.Name.Equals("屏幕视频 - 高(CBR)"))
{
index = i;
}
}
cmbEncoder.SelectedIndex = index;
enc = null;
txtFileName.Text = Application.StartupPath + "\\test.wmv";
btnStart.Enabled = true;
btnStop.Enabled = false;
}
/**
* Constructor.
*/
public Encoder()
{
this.enableRecording = false;
this.chopNumber = 0;
this.chopLength = -1;
this.choppingTimer = new System.Timers.Timer();
this.choppingTimer.Elapsed += this.OnRecordTimeElapsed;
this.archiveState = WMENC_ARCHIVE_STATE.WMENC_ARCHIVE_STOPPED;
this.stateChangeWaitHandle = new System.Threading.EventWaitHandle(false, System.Threading.EventResetMode.ManualReset, string.Empty);
this.archiveStateChangeWaitHandle = new System.Threading.EventWaitHandle(false, System.Threading.EventResetMode.ManualReset, string.Empty);
// Audio and video sources
this.audioSource = null;
this.videoSource = null;
// Windows Media Encoder
this.wmEncoder = new WMEncoderClass();
this.sourceGroup = (IWMEncSourceGroup2)this.wmEncoder.SourceGroupCollection.Add("SG_1");
this.wmEncoderProfile = new WMEncProfile2();
// For now, we only listen these events
this.wmEncoder.OnStateChange += this.OnStateChange;
this.wmEncoder.OnError += this.OnError;
this.wmEncoder.OnArchiveStateChange += this.OnArchiveStateChange;
// Set recording props.
this.wmEncoder.EnableAutoArchive = false;
this.wmEncoder.AutoIndex = false;
// Set default profile values
this.wmEncoderProfile.ValidateMode = true;
this.wmEncoderProfile.ProfileName = "Windows Media Encoder Profile";
this.wmEncoderProfile.ContentType = 17; // Audio + Video
this.wmEncoderAudience = this.wmEncoderProfile.AddAudience(100000); // Initial bitrate = 100 kbps, will change automatically
// when user sets video and audio params.
}
private void btnStart_Click(object sender, EventArgs e)
{
// 实例化Windows Media Encoder编码器
enc = new WMEncoderClass();
IWMEncSourceGroupCollection SrcGrpColl;
IWMEncSourceGroup2 SrcGrp;
// 音频源
//IWMEncAudioSource SrcAud;
// 视频源
IWMEncVideoSource2 SrcVid;
//IWMEncProfile2 Pro = new WMEncProfile2Class();
try
{
SrcGrpColl = enc.SourceGroupCollection;
SrcGrp = (IWMEncSourceGroup2)SrcGrpColl.Add("SG_1");
SrcVid = (IWMEncVideoSource2)SrcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_VIDEO);
Screen currentScreen;
if (hWndURWPGSim2D == 0)
{// 获取当前窗口所在屏幕作为当前屏幕
currentScreen = Screen.FromHandle(this.Handle);
}
else
{// 获取待屏幕录像的URWPGSim2D程序主窗口所在屏幕作为当前屏幕
currentScreen = Screen.FromHandle((IntPtr)hWndURWPGSim2D);
hWndURWPGSim2D = 0;
}
// 以当前屏幕设备作为视频来源设备
SrcVid.SetInput(currentScreen.DeviceName, "ScreenCap", "");
//SrcVid.SetInput("ScreenCapture1", "ScreenCap", "");
// 设置音频来源
//if (ckbSound.Checked)
//{
// SrcAud = (IWMEncAudioSource)SrcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_AUDIO);
// SrcAud.SetInput("Default_Audio_Device", "DEVICE", "");
//}
foreach (IWMEncProfile wp in enc.ProfileCollection)
{ // 循环检查当前编码器实例中包含的全部配置文件
if (wp.Name.Equals(cmbEncoder.SelectedItem.ToString()))
{ // 如果当前配置文件（Profile）名称与选中的移植
// 将当前Profile设为当前视频源的配置文件
SrcGrp.set_Profile(wp);
break;
}
}
// 为当前编码器实例设定输出文件名称
enc.File.LocalFileName = txtFileName.Text;
// 从界面输入取得待录屏区域左上角坐标/宽度/高度（单位为像素）
int x = Convert.ToInt32(txtX.Text);
int y = Convert.ToInt32(txtY.Text);
int w = Convert.ToInt32(txtWidth.Text);
int h = Convert.ToInt32(txtHeight.Text);
// 适应多显示器环境 取得当前系统所有显示器构成的虚拟屏幕区域
Rectangle screenRect = SystemInformation.VirtualScreen;
#region
//// 为当前视频源设定宽度为当前屏幕宽度
//SrcVid.Width = currentScreen.Bounds.Width;
//// 为当前视频源设定高度为当前屏幕高度
//SrcVid.Height = currentScreen.Bounds.Height;
//// 对当前视频源进行裁剪 裁剪后的视频宽度高度即为待录像区域宽度高度
//// 左边裁掉待录像区域左上角坐标X值的大小
//SrcVid.CroppingLeftMargin = x;
//// 上边裁掉待录像区域左上角坐标Y值的大小
//SrcVid.CroppingTopMargin = y;
//// 右边裁掉总宽度和左边裁剪尺寸、待录像区域宽度之差
//SrcVid.CroppingRightMargin = SrcVid.Width - SrcVid.CroppingLeftMargin - w;
//// 下边裁掉总高度和上边裁剪尺寸、待录像区域高度之差
//SrcVid.CroppingBottomMargin = SrcVid.Height - SrcVid.CroppingTopMargin - h;
#endregion
#region
//int wm = SystemInformation.VirtualScreen.Width;
//int hm = SystemInformation.VirtualScreen.Height;
//SrcVid.Width = w;
//SrcVid.Height = h;
//float rx = (float)wm / (float)SrcVid.Width;
//float ry = (float)hm / (float)SrcVid.Height;
//SrcVid.CroppingLeftMargin = (int)(x / rx);
//SrcVid.CroppingTopMargin = (int)(y / ry);
//SrcVid.CroppingRightMargin = (int)((wm - x - w) / rx);
//SrcVid.CroppingBottomMargin = (int)((hm - y - h) / ry);
#endregion
#region
// 为当前视频源设定宽度为整个虚拟屏幕宽度
SrcVid.Width = screenRect.Width;
// 为当前视频源设定高度为整个虚拟屏幕高度
SrcVid.Height = screenRect.Height;
// 对当前视频源进行裁剪 裁剪后的视频宽度高度即为待录像区域宽度高度
// 左边裁掉待录像区域左上角坐标X值与虚拟屏幕左上角坐标X值之差
SrcVid.CroppingLeftMargin = x - screenRect.Left;
// 上边裁掉待录像区域左上角坐标Y值与虚拟屏幕左上角坐标Y值之差
SrcVid.CroppingTopMargin = y - screenRect.Top;
// 右边裁掉总宽度和左边裁剪尺寸、待录像区域宽度之差
SrcVid.CroppingRightMargin = SrcVid.Width - SrcVid.CroppingLeftMargin - w;
// 下边裁掉总高度和上边裁剪尺寸、待录像区域高度之差
SrcVid.CroppingBottomMargin = SrcVid.Height - SrcVid.CroppingTopMargin - h;
#endregion
#region
//SrcVid.Width = w;
//SrcVid.Height = h;
//float rx = (float)screenRect.Width / (float)SrcVid.Width;
//float ry = (float)screenRect.Height / (float)SrcVid.Height;
//SrcVid.CroppingLeftMargin = (int)((x - screenRect.Left) / rx);
//SrcVid.CroppingTopMargin = (int)((y - screenRect.Top) / ry);
//SrcVid.CroppingRightMargin = (int)((screenRect.Width - (x - screenRect.Left) - w) / rx);
//SrcVid.CroppingBottomMargin = (int)((screenRect.Height - (y - screenRect.Top) - h) / ry);
#endregion
// 最小化Screencast程序主窗口
this.WindowState = FormWindowState.Minimized;
// 开始编码
enc.Start();
btnStop.Enabled = true;
btnStart.Enabled = false;
this.TopMost = false;
}
catch (Exception e1)
{
MessageBox.Show(e1.Message);
}
}
/// <summary>
/// Saves the video.
/// </summary>
/// <param name="fileName">Name of the file.</param>
/// <param name="profileFileName">Name of the profile file.</param>
/// <param name="files">Files.</param>
public static void SaveVideo(string fileName, string profileFileName, ulong framesPerSecond, string [] files)
{
WMEncoder encoder = new WMEncoder();
IWMEncProfile2 profile = WMEncProfile.LoadEncodingProfile(encoder, profileFileName);
WMEncProfile.ReleaseEncoder(ref encoder);
using(WmvWriter writer = new WmvWriter())
{
writer.Initialize((IWMProfile)profile.SaveToIWMProfile(), fileName);
VideoInfoHeader viHeader = new VideoInfoHeader();
writer.FindVideoInputFormat(0, MediaSubTypes.WMMEDIASUBTYPE_RGB24, ref viHeader, false);
writer.Start();
INSSBuffer sample = null;
int bmcount = 0;
Bitmap frame = new Bitmap((int)viHeader.bmiHeader.biWidth, (int)viHeader.bmiHeader.biHeight, PixelFormat.Format24bppRgb);;
ulong fps = framesPerSecond;
for(int i = 0; i < files.Length; i++)
{
if(files[i] != null)
{
Bitmap bmp = new Bitmap(files[i]);
using (Graphics g = Graphics.FromImage(frame))
{
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.CompositingQuality = CompositingQuality.HighQuality;
g.SmoothingMode = SmoothingMode.HighQuality;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
g.DrawImage(bmp, 0, 0, frame.Width, frame.Height);
Console.Out.Write(".");
}
// Now render to the movie
try
{
ulong time = ((ulong)bmcount++ * TimeSpan.TicksPerSecond)/fps;
sample = writer.GetSampleFromBitmap(frame);
writer.Writer.WriteSample(0, time, (uint)WMT_STREAM_SAMPLE_TYPE.WM_SF_CLEANPOINT, sample);
}
finally
{
Marshal.ReleaseComObject(sample);
sample = null;
bmp = null;
GC.Collect();
}
}
}
}
}
private Hashtable profiles = new Hashtable(); // 压缩方式集
public WMVEncoder()
{
encoder = new WMEncoderClass();
}
void _backgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
string glbstrErrLocation;
WMEncoder Encoder = null;
WMEncProfile2 Profile = null;
IWMDRMContentAuthor DRMAuthor = null;
IWMDRMProfileCollection DRMProColl = null;
IWMDRMProfile DRMPro = null;
IWMEncSourceGroup SrcGrp = null;
IWMEncAudioSource SrcAud = null;
IWMEncVideoSource2 SrcVid = null;
_TwoPassEncoding = false;
bool glbboolEncodingContinue = true;;
DateTime time = DateTime.Now;
try
{
Encoder = new WMEncoder();
Encoder.OnStateChange += new _IWMEncoderEvents_OnStateChangeEventHandler(this.Encoder_OnStateChange);
_SrcGrpColl = Encoder.SourceGroupCollection;
try
{
DRMAuthor = Encoder.EncoderDRMContentAuthor;
DRMProColl = DRMAuthor.DRMProfileCollection;
DRMPro = null;
object vKeyID = null;
if (_encodeInfo.DRMProfile != "None")
{
int intDRMProCount = 0;
for (intDRMProCount = 0; intDRMProCount <= DRMProColl.Count - 1; intDRMProCount++)
{
if (DRMProColl.Item(intDRMProCount).Name == _encodeInfo.DRMProfile)
{
DRMPro = DRMProColl.Item(intDRMProCount);
break;
}
}
DRMAuthor.SetSessionDRMProfile(DRMPro.ID, ref vKeyID);
}
else
{
DRMAuthor.SetSessionDRMProfile(System.DBNull.Value.ToString(), ref vKeyID);
DRMAuthor = null;
DRMProColl = null;
DRMPro = null;
vKeyID = null;
}
}
catch (Exception ex)
{
glbstrErrLocation = "Specify DRM Profile - " + ex.Message.ToString();
throw new ApplicationException(glbstrErrLocation, ex);
}
Profile = new WMEncProfile2();
Int32 intProContentType = 0;
int intProVBRModeAudio = 0;
int intProVBRModeVideo = 0;
try
{
Profile.LoadFromFile(_encodeInfo.Profile);
intProContentType = Profile.ContentType;
intProVBRModeAudio = (int)Profile.get_VBRMode(WMENC_SOURCE_TYPE.WMENC_AUDIO, 0);
intProVBRModeVideo = (int)Profile.get_VBRMode(WMENC_SOURCE_TYPE.WMENC_VIDEO, 0);
}
catch (Exception ex)
{
glbstrErrLocation = "Load Profile - " + ex.Message.ToString();
throw new ApplicationException(glbstrErrLocation, ex);
}
try
{
SrcGrp = _SrcGrpColl.Add("BatchEncode");
}
catch (Exception ex)
{
glbstrErrLocation = "Source Group - " + ex.Message.ToString();
throw new ApplicationException(glbstrErrLocation, ex);
}
string strDestExtension = System.IO.Path.GetExtension(_encodeInfo.Destination);
try
{
if (intProContentType == 1)
{
SrcAud = (WMEncoderLib.IWMEncAudioSource)SrcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_AUDIO);
SrcAud.SetInput(_encodeInfo.Source, "", "");
}
else if (intProContentType == 16)
{
SrcVid = (WMEncoderLib.IWMEncVideoSource2)SrcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_VIDEO);
SrcVid.SetInput(_encodeInfo.Source, "", "");
}
else if (intProContentType == 17)
{
SrcAud = (WMEncoderLib.IWMEncAudioSource)SrcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_AUDIO);
SrcAud.SetInput(_encodeInfo.Source, "", "");
SrcVid = (WMEncoderLib.IWMEncVideoSource2)SrcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_VIDEO);
SrcVid.SetInput(_encodeInfo.Source, "", "");
}
else
{
_backgroundWorker.ReportProgress(0, "BatchEncode does not support this type of profile");
}
}
catch (Exception ex)
{
glbstrErrLocation = "Video / Audio Source - " + ex.Message.ToString();
throw new ApplicationException(glbstrErrLocation, ex);
}
try
{
SrcGrp.set_Profile(Profile);
}
catch (Exception ex)
{
glbstrErrLocation = "Encoding Profile - " + ex.Message.ToString();
throw new ApplicationException(glbstrErrLocation, ex);
}
IWMEncDisplayInfo Descr = Encoder.DisplayInfo;
try
{
if (_encodeInfo.Title != "")
{
Descr.Title = _encodeInfo.Title;
}
if (_encodeInfo.Description != "")
{
Descr.Description = _encodeInfo.Description;
}
if (_encodeInfo.Author != "")
{
Descr.Author = _encodeInfo.Author;
}
if (_encodeInfo.Copyright != "")
{
Descr.Copyright = _encodeInfo.Copyright;
}
}
catch (Exception ex)
{
glbstrErrLocation = "Display Information - " + ex.Message.ToString();
throw new ApplicationException(glbstrErrLocation, ex);
}
try
{
if (intProContentType == 16 || intProContentType == 17)
{
if (_encodeInfo.Crop == true)
{
SrcVid.CroppingBottomMargin = (int)_encodeInfo.CropBottom;
SrcVid.CroppingTopMargin = (int)_encodeInfo.CropTop;
SrcVid.CroppingLeftMargin = (int)_encodeInfo.CropLeft;
SrcVid.CroppingRightMargin = (int)_encodeInfo.CropRight;
}
}
}
catch (Exception ex)
{
glbstrErrLocation = "Cropping - " + ex.Message.ToString();
throw new ApplicationException(glbstrErrLocation, ex);
}
try
{
if (intProContentType == 16 || intProContentType == 17)
{
SrcVid.Optimization = _encodeInfo.Preproc;
}
}
catch (Exception ex)
{
glbstrErrLocation = "Video Optimization - " + ex.Message.ToString();
throw new ApplicationException(glbstrErrLocation, ex);
}
try
{
if (intProContentType == 1)
{
if (_encodeInfo.TwoPass == false)
{
SrcAud.PreProcessPass = 0;
_TwoPassEncoding = false;
}
else
{
SrcAud.PreProcessPass = 1;
_TwoPassEncoding = true;
glbPassNumber = 1;
}
}
else if (intProContentType == 16)
{
if (_encodeInfo.TwoPass == false)
{
SrcVid.PreProcessPass = 0;
_TwoPassEncoding = false;
}
else
{
SrcVid.PreProcessPass = 1;
_TwoPassEncoding = true;
glbPassNumber = 1;
}
}
else if (intProContentType == 17)
{
if (_encodeInfo.TwoPass == false)
{
SrcAud.PreProcessPass = 0;
SrcVid.PreProcessPass = 0;
_TwoPassEncoding = false;
}
else
{
switch (intProVBRModeAudio)
{
case 1:
SrcAud.PreProcessPass = 1;
break;
case 2:
SrcAud.PreProcessPass = 1;
break;
case 3:
SrcAud.PreProcessPass = 0;
break;
case 4:
SrcAud.PreProcessPass = 1;
break;
}
switch (intProVBRModeVideo)
{
case 1:
SrcVid.PreProcessPass = 1;
break;
case 2:
SrcVid.PreProcessPass = 1;
break;
case 3:
SrcVid.PreProcessPass = 0;
break;
case 4:
SrcVid.PreProcessPass = 1;
break;
}
_TwoPassEncoding = true;
glbPassNumber = 1;
}
}
else
{
_backgroundWorker.ReportProgress(0, "BatchEncode does not support this type of profile");
}
}
catch (Exception ex)
{
glbstrErrLocation = "Passes - " + ex.Message.ToString();
throw new ApplicationException(glbstrErrLocation, ex);
}
IWMEncFile2 File = (IWMEncFile2)Encoder.File;
try
{
File.LocalFileName = _encodeInfo.Destination;
}
catch (Exception ex)
{
glbstrErrLocation = "Output File - " + ex.Message.ToString();
throw new ApplicationException(glbstrErrLocation, ex);
}
int intDurationAudio = 0;
int intDurationVideo = 0;
int intDurationFinal;
try
{
_backgroundWorker.ReportProgress(0, "Preparing to encode");
Encoder.PrepareToEncode(true);
}
catch (Exception ex)
{
glbstrErrLocation = "Encoder Prepare - " + ex.Message.ToString();
throw new ApplicationException(glbstrErrLocation, ex);
}
try
{
if (SrcAud != null)
{
intDurationAudio = System.Convert.ToInt32(SrcAud.Duration / 1000);
}
}
catch (Exception)
{
}
try
{
if (SrcVid != null)
{
intDurationVideo = System.Convert.ToInt32(SrcVid.Duration / 1000);
}
}
catch (Exception)
{
}
if (intDurationAudio == 0)
{
intDurationFinal = intDurationVideo;
}
else if (intDurationVideo == 0)
{
intDurationFinal = intDurationAudio;
}
else
{
if (intDurationVideo >= intDurationAudio)
{
intDurationFinal = intDurationVideo;
}
else
{
intDurationFinal = intDurationAudio;
}
}
glbintSourceDuration = intDurationFinal;
try
{
if (glbboolEncodingContinue == true)
{
Encoder.Start();
do
{
if (_backgroundWorker.CancellationPending)
{
Encoder.Stop();
e.Cancel = true;
_ev.Set();
}
sReportPercentComplete(Encoder);
}while (!_ev.WaitOne(1000));
}
}
catch (Exception ex)
{
glbstrErrLocation = "Encoder Start - " + ex.Message.ToString();
throw new ApplicationException(glbstrErrLocation, ex);
}
if (e.Cancel)
{
return;
}
else
{
_backgroundWorker.ReportProgress(0, "Encoding Complete");
return;
}
}
finally
{
if (_SrcGrpColl != null)
{
try
{
Encoder.Stop();
_SrcGrpColl.Remove(0);
}
catch
{
}
Marshal.ReleaseComObject(_SrcGrpColl);
_SrcGrpColl = null;
}
if (Profile != null)
{
Marshal.ReleaseComObject(Profile);
Profile = null;
}
if (Encoder != null)
{
Encoder.OnStateChange -= new _IWMEncoderEvents_OnStateChangeEventHandler(this.Encoder_OnStateChange);
Marshal.ReleaseComObject(Encoder);
Encoder = null;
}
e.Result = DateTime.Now - time;
}
}
// private static void ConfigureAudioProfile(IWMEncProfile2 encProfile, IWMEncAudienceObj aud, WmaStreamSettings audStream)
// {
// Logger.WriteLogMessage("Using audio VBR mode [" + audStream.VbrMode + "], bitrate [" + audStream.Bitrate + "], peak bitrate [" + audStream.PeakBitrate + "].");
//
// switch (audStream.VbrMode)
// {
// case TranscoderSettingsBase.VbrModes.BitrateVBR:
// encProfile.set_VBRMode(WMENC_SOURCE_TYPE.WMENC_AUDIO, 0, WMENC_PROFILE_VBR_MODE.WMENC_PVM_BITRATE_BASED);
// break;
// case TranscoderSettingsBase.VbrModes.BitrateVBRPeak:
// encProfile.set_VBRMode(WMENC_SOURCE_TYPE.WMENC_AUDIO, 0, WMENC_PROFILE_VBR_MODE.WMENC_PVM_PEAK);
// aud.set_AudioPeakBitrate(0, audStream.PeakBitrate ?? audStream.Bitrate);
// break;
// case TranscoderSettingsBase.VbrModes.QualityVBR:
// encProfile.set_VBRMode(WMENC_SOURCE_TYPE.WMENC_AUDIO, 0, WMENC_PROFILE_VBR_MODE.WMENC_PVM_UNCONSTRAINED);
// break;
// case TranscoderSettingsBase.VbrModes.CBR:
// encProfile.set_VBRMode(WMENC_SOURCE_TYPE.WMENC_AUDIO, 0, WMENC_PROFILE_VBR_MODE.WMENC_PVM_NONE);
// break;
// }
//
// int codec = -1;
// object codecName;
// int fourCC;
//
// Logger.WriteLogMessage("Attempting to enumerate audio codec [" + audStream.CodecName + "].");
//
// for (int i = 0; i < encProfile.AudioCodecCount; i++)
// {
// fourCC = encProfile.EnumAudioCodec(i, out codecName);
//
// if (audStream.CodecName == (string)codecName)
// {
// codec = i;
// break;
// }
// }
//
// if (codec < 0)
// throw new Common.InvalidOperationException("Failed to locate audio codec [" + audStream.CodecName + "].");
//
// Logger.WriteLogMessage("Using audio codec [" + audStream.CodecName + "], index [" + codec + "].");
//
// aud.set_AudioCodec(0, codec);
//
// Logger.WriteLogMessage("Using audio sample rate [" + audStream.SampleRate + "], channels [" + audStream.Channels + "], bits per sample [" + audStream.BitsPerSample + "], .");
//
// aud.SetAudioConfig(0, (short)audStream.Channels, (int)audStream.SampleRate, audStream.Bitrate, (short)audStream.BitsPerSample);
//
// Logger.WriteLogMessage("Configured audio profile.");
// }
public static void ReleaseEncoder(ref WMEncoder encoder)
{
if (encoder == null)
return;
try
{
Logger.WriteLogMessage("Attempting to stop WMEncoder application, state: " + encoder.RunState + ".");
if (encoder.RunState != WMENC_ENCODER_STATE.WMENC_ENCODER_STOPPED)
encoder.Stop();
encoder.Reset();
Logger.WriteLogMessage("Successfully stopped WMEncoder application, state: " + encoder.RunState + ".");
}
catch (COMException e)
{
Logger.WriteLogError("Failed to kill WMEncoder application. HRESULT [" + String.Format("0x{0:x}", e.ErrorCode) + "].", e);
}
catch (Exception e)
{
Logger.WriteLogError("Failed to kill WMEncoder application.", e);
}
finally
{
Logger.WriteLogMessage("Releasing runtime callable wrapper.");
while (Marshal.ReleaseComObject(encoder) > 0)
{
Logger.WriteLogMessage("Releasing runtime callable wrapper again.");
}
encoder = null;
Logger.WriteLogMessage("Successfully killed WMEncoder application.");
}
}
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.
}
}
private void button1_Click(object sender, EventArgs e)
{
try
{
Encoder = new WMEncoder();
IWMEncSourceGroup SrcGrp;
IWMEncSourceGroupCollection SrcGrpColl;
SrcGrpColl = Encoder.SourceGroupCollection;
SrcGrp = SrcGrpColl.Add("SG_1");
IWMEncSource SrcVid = null;
IWMEncSource SrcAud = null;
SrcVid = SrcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_VIDEO);
SrcAud = SrcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_AUDIO);
SrcAud.SetInput("Default_Audio_Device", "Device", "");
SrcVid.SetInput("ScreenCapture1", "ScreenCap", "");
IWMEncProfileCollection ProColl;
IWMEncProfile Pro;
int i;
long lLength;
ProColl = Encoder.ProfileCollection;
lLength = ProColl.Count;
for (i = 0; i < lLength - 1; i++)
{
Pro = ProColl.Item(i);
Console.WriteLine("<><>>" + Pro.Name);
if (Pro.Name == "屏幕视频/音频 - 高(CBR)")
{
SrcGrp.set_Profile(Pro);
break;
}
}
IWMEncDisplayInfo Descr;
Descr = Encoder.DisplayInfo;
Descr.Author = "";
Descr.Copyright = "";
Descr.Description = "";
Descr.Rating = "";
Descr.Title = "";
IWMEncAttributes Attr;
Attr = Encoder.Attributes;
IWMEncFile File;
File = Encoder.File;
//if (label1.Text != string.Empty)
//{
// File.LocalFileName = @"C:\1.WMA"; //保存路径
//}
//else
//{
// MessageBox.Show("请先选择路径！");
// return;
//}
File.LocalFileName = @"C:\1.WMA"; //保存路径
Encoder.Start();
}
catch (Exception ex)
{
Encoder.Stop();
}
}
public void InitializeEncoder()
{
try
{
frm_Rec=new WebMeeting.Client.Screen_Capture.frm_Rec();
config=new Config();
config.cfgFile = "WebMeeting.exe.config";
// create encoder object
m_encoder = new WMEncoder();
m_encoder.DisplayInfo.Author="Zaeem";
m_encoder.DisplayInfo.Copyright="Uraan Software Solutions";
m_encoder.DisplayInfo.Description="Uraan Generated Media File for Screen Recording";
m_encoder.DisplayInfo.Title="Recorded Screen";
m_encoder.DisplayInfo.Title="Recorded Screen";
m_encoder.DisplayInfo.Rating="1";
m_encoder.DisplayInfo.Description="This file is Generated through CampusNav developed by Uraan Software Solution";
// retrive source group collection
m_sourceGroupCollection = m_encoder.SourceGroupCollection;
// add a source group to collection
m_srcGrp = m_sourceGroupCollection.Add("SG_1");
m_sourceEnumDlg= new SourceEnum();
// add a screen source
if(EnumerateAudioSources())
{
m_audSource = m_srcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_AUDIO);
m_audSource.SetInput(m_szAudioSource, "Device", "");
}
// set screen as source
m_screenSource = (IWMEncVideoSource2)m_srcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_VIDEO);
m_screenSource.SetInput("ScreenCapture1", "ScreenCap", "");
}
catch(Exception exp)
{
WebMeeting.Client.ClientUI.getInstance().ShowExceptionMessage("Video Recordong Module ===>Screen Capture.cs line==> 99",exp,"Error Loading Encoder: " + exp.Message.ToString(),false);
if( MessageBox.Show("Either You do not have required components of Windows Media Encoder or they are corrupted on your Machine: "+ /*+exp.Message.ToString() + */". Do you want to download now?","WebMeeting",MessageBoxButtons.YesNo,MessageBoxIcon.Information) == DialogResult.Yes)
{
Win32.Shell32.ShellExecute(0,"Open",WebMeeting.Client.Info.getInstance().WebsiteName + "/wmencoder.exe","","",1);
}
//WebMeeting.Client.ClientUI.getInstance().ShowExceptionMessage("Error Stoping encoder: " + exp.Message.ToString());
//Trace.WriteLine(exp.ToString()+"---"+exp.Message+"---"+exp.Source+exp.StackTrace+"---"+exp.TargetSite+"---"+exp.InnerException);
}
}
public bool EnumerateAudioSources()
{
try
{
WMEncoder Encoder = new WMEncoder();
// Retrieve source and device plug-in info manager objects from WMEncoder.
IWMEncSourcePluginInfoManager SrcPlugMgr = Encoder.SourcePluginInfoManager;
IWMEncDeviceControlPluginInfoManager DCPlugMgr = Encoder.DeviceControlPluginInfoManager;
// Loop through all the audio and video devices on the system.
IWMEncPluginInfo PlugInfo;
for (int i = 0; i < SrcPlugMgr.Count; i++)
{
// Set the IWMEncPluginInfo object to the current plug-in.
PlugInfo = SrcPlugMgr.Item(i);
// Find the device plug-ins that support resources.
if (PlugInfo.SchemeType == "DEVICE" && PlugInfo.Resources == true)
{
// Loop through the resources in the current plug-in.
for (int j = 0; j<PlugInfo.Count; j++)
{
//if(frm_Rec.chkAudio.Checked==true)
{
// Add audio resources to the cboAudioSource combo box.
if (PlugInfo.MediaType == WMENC_SOURCE_TYPE.WMENC_AUDIO)
m_sourceEnumDlg.audioSources.Items.Add(PlugInfo.Item(j));
}
}
}
}
}
catch(Exception exp)
{
WebMeeting.Client.ClientUI.getInstance().ShowExceptionMessage("Video Recordong Module ===>Screen Capture.cs line==> 147",exp,"Error Enumeration Audio Resources: " + exp.Message.ToString(),true);
//WebMeeting.Client.ClientUI.getInstance().ShowExceptionMessage("Error Stoping encoder: " + exp.Message.ToString());
//Trace.WriteLine(exp.ToString()+"---"+exp.Message+"---"+exp.Source+exp.StackTrace+"---"+exp.TargetSite+"---"+exp.InnerException);
}
//DialogResult ret = m_sourceEnumDlg.ShowDialog();
//if( ret == DialogResult.Cancel)
// return false;
//m_szAudioSource = m_sourceEnumDlg.selectedItem;
m_szAudioSource = config.Read("Driver");
return true;
}
