private long GetLength(MFSourceReader reader)
{
lock (_lockObj)
{
try
{
if (reader == null)
{
return(0);
}
using (
PropertyVariant value =
reader.GetPresentationAttribute(NativeMethods.MF_SOURCE_READER_MEDIASOURCE,
MediaFoundationAttributes.MF_PD_DURATION))
{
//bug: still, depending on the decoder, this returns imprecise values.
return(NanoSecond100UnitsToBytes(value.HValue));
}
}
catch (Exception)
{
return(0);
}
}
}
private long GetLength(MFSourceReader reader)
{
lock (_lockObj)
{
try
{
if (reader == null)
{
return(0);
}
using (
PropertyVariant value =
reader.GetPresentationAttribute(NativeMethods.MF_SOURCE_READER_MEDIASOURCE,
MediaFoundationAttributes.MF_PD_DURATION))
{
//bug: still, depending on the decoder, this returns imprecise values.
return(((value.HValue) * _waveFormat.BytesPerSecond) / 10000000L);
}
}
catch (Exception)
{
//if (e.Result == (int)HResult.MF_E_ATTRIBUTENOTFOUND)
// return 0;
//throw;
return(0);
}
}
}
private long GetLength(MFSourceReader reader)
{
lock (_lockObj)
{
try
{
if (reader == null)
{
return(0);
}
PropertyVariant value = reader.GetPresentationAttribute(MFInterops.MF_SOURCE_READER_MEDIASOURCE, MediaFoundationAttributes.MF_PD_DURATION);
var length = ((value.HValue) * _waveFormat.BytesPerSecond) / 10000000L;
value.Dispose();
return(length);
}
catch (Exception)
{
//if (e.Result == (int)HResult.MF_E_ATTRIBUTENOTFOUND)
// return 0;
//throw;
return(0);
}
}
}
private long GetLength(MFSourceReader reader)
{
lock (_lockObj)
{
try
{
if (reader == null)
return 0;
using (
PropertyVariant value =
reader.GetPresentationAttribute(NativeMethods.MF_SOURCE_READER_MEDIASOURCE,
MediaFoundationAttributes.MF_PD_DURATION))
{
//bug: still, depending on the decoder, this returns imprecise values.
return NanoSecond100UnitsToBytes(value.HValue);
}
}
catch (Exception)
{
return 0;
}
}
}
private long GetLength(MFSourceReader reader)
{
lock (_lockObj)
{
try
{
if (reader == null)
return 0;
using (
PropertyVariant value =
reader.GetPresentationAttribute(NativeMethods.MF_SOURCE_READER_MEDIASOURCE,
MediaFoundationAttributes.MF_PD_DURATION))
{
//bug: still, depending on the decoder, this returns imprecise values.
return ((value.HValue) * _waveFormat.BytesPerSecond) / 10000000L;
}
}
catch (Exception)
{
//if (e.Result == (int)HResult.MF_E_ATTRIBUTENOTFOUND)
// return 0;
//throw;
return 0;
}
}
}
private long GetLength(MFSourceReader reader)
{
lock (_lockObj)
{
try
{
if (reader == null)
return 0;
PropertyVariant value = reader.GetPresentationAttribute(MFInterops.MF_SOURCE_READER_MEDIASOURCE, MediaFoundationAttributes.MF_PD_DURATION);
var length = ((value.HValue) * _waveFormat.BytesPerSecond) / 10000000L;
value.Dispose();
return length;
}
catch (Exception)
{
//if (e.Result == (int)HResult.MF_E_ATTRIBUTENOTFOUND)
// return 0;
//throw;
return 0;
}
}
}
