private static IMFSinkWriter CreateSinkWriter(string outputFile)
{
// n.b. could try specifying the container type using attributes, but I think
// it does a decent job of working it out from the file extension
// n.b. AAC encode on Win 8 can have AAC extension, but use MP4 in win 7
// http://msdn.microsoft.com/en-gb/library/windows/desktop/dd389284%28v=vs.85%29.aspx
IMFSinkWriter writer;
var attributes = MediaFoundationApi.CreateAttributes(1);
attributes.SetUINT32(MediaFoundationAttributes.MF_READWRITE_ENABLE_HARDWARE_TRANSFORMS, 1);
try
{
MediaFoundationInterop.MFCreateSinkWriterFromURL(outputFile, null, attributes, out writer);
}
catch (COMException e)
{
if (e.GetHResult() == MediaFoundationErrors.MF_E_NOT_FOUND)
{
throw new ArgumentException("Was not able to create a sink writer for this file extension");
}
throw;
}
finally
{
Marshal.ReleaseComObject(attributes);
}
return(writer);
}
// Token: 0x06000942 RID: 2370 RVA: 0x0001AFC4 File Offset: 0x000191C4
private static IMFSinkWriter CreateSinkWriter(string outputFile)
{
IMFAttributes imfattributes = MediaFoundationApi.CreateAttributes(1);
imfattributes.SetUINT32(MediaFoundationAttributes.MF_READWRITE_ENABLE_HARDWARE_TRANSFORMS, 1);
IMFSinkWriter result;
try
{
MediaFoundationInterop.MFCreateSinkWriterFromURL(outputFile, null, imfattributes, out result);
}
catch (COMException exception)
{
if (exception.GetHResult() == -1072875819)
{
throw new ArgumentException("Was not able to create a sink writer for this file extension");
}
throw;
}
finally
{
Marshal.ReleaseComObject(imfattributes);
}
return(result);
}