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();
}
private static int GetAudioSourceDuration(IWMEncAudioSource audsrc)
{
int clipduration = audsrc.MarkOut - audsrc.MarkIn;
if (clipduration == 0)
return audsrc.Duration;
else
return clipduration;
}
private static int GetAudioSourceDuration(IWMEncAudioSource audsrc)
{
int clipduration = audsrc.MarkOut - audsrc.MarkIn;
if (clipduration == 0)
{
return(audsrc.Duration);
}
else
{
return(clipduration);
}
}
/**
* Set source.
* @param type : source type.
* @param name : source name.
*/
public DVRBResult SetSource(ESourceType type, string name)
{
try
{
string scheme = string.Empty;
IWMEncSource source = null;
switch (type)
{
case ESourceType.DeviceAudio:
scheme = "Device";
if (this.audioSource == null)
{
this.audioSource = (IWMEncAudioSource)this.sourceGroup.AddSource(WMENC_SOURCE_TYPE.WMENC_AUDIO);
}
source = this.audioSource;
break;
case ESourceType.DeviceVideo:
scheme = "Device";
if (this.videoSource == null)
{
this.videoSource = (IWMEncVideoSource)this.sourceGroup.AddSource(WMENC_SOURCE_TYPE.WMENC_VIDEO);
}
source = this.videoSource;
break;
case ESourceType.DesktopVideo:
scheme = "ScreenCap";
if (this.videoSource == null)
{
this.videoSource = (IWMEncVideoSource)this.sourceGroup.AddSource(WMENC_SOURCE_TYPE.WMENC_VIDEO);
}
source = this.videoSource;
break;
}
log.Debug("Setting " + scheme + " -->" + name);
source.SetInput(name, scheme, string.Empty);
}
catch (Exception e)
{
return(new DVRBResult(DVRBResult.ERROR, e.Message));
}
return(new DVRBResult());
}
/**
* 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.
}
/**
* Set source.
* @param type : source type.
* @param name : source name.
*/
public DVRBResult SetSource(ESourceType type, string name)
{
try
{
string scheme = string.Empty;
IWMEncSource source = null;
switch (type)
{
case ESourceType.DeviceAudio:
scheme = "Device";
if (this.audioSource == null)
{
this.audioSource = (IWMEncAudioSource)this.sourceGroup.AddSource(WMENC_SOURCE_TYPE.WMENC_AUDIO);
}
source = this.audioSource;
break;
case ESourceType.DeviceVideo:
scheme = "Device";
if (this.videoSource == null)
{
this.videoSource = (IWMEncVideoSource)this.sourceGroup.AddSource(WMENC_SOURCE_TYPE.WMENC_VIDEO);
}
source = this.videoSource;
break;
case ESourceType.DesktopVideo:
scheme = "ScreenCap";
if (this.videoSource == null)
{
this.videoSource = (IWMEncVideoSource)this.sourceGroup.AddSource(WMENC_SOURCE_TYPE.WMENC_VIDEO);
}
source = this.videoSource;
break;
}
log.Debug("Setting " + scheme + " -->" + name);
source.SetInput(name, scheme, string.Empty);
}
catch (Exception e)
{
return new DVRBResult(DVRBResult.ERROR, e.Message);
}
return new DVRBResult();
}
/**
* 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.
}
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;
}
}
