// 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.");
}
}
// 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.");
}
}
