/// <summary>
/// Creates a new Resampler based on the DMO Resampler
/// </summary>
public DmoResampler()
{
mediaComObject = new ResamplerMediaComObject();
mediaObject = new MediaObject((IMediaObject)mediaComObject);
propertyStoreInterface = (IPropertyStore)mediaComObject;
resamplerPropsInterface = (IWMResamplerProps)mediaComObject;
}
/// <summary>
/// Creates a new Resampler based on the DMO Resampler
/// </summary>
public DmoResampler()
{
mediaComObject = new ResamplerMediaComObject();
mediaObject = new MediaObject((IMediaObject)mediaComObject);
propertyStoreInterface = (IPropertyStore)mediaComObject;
resamplerPropsInterface = (IWMResamplerProps)mediaComObject;
}
public DmoResampler()
{
this.mediaComObject = new ResamplerMediaComObject();
this.mediaObject = new MediaObject((IMediaObject)this.mediaComObject);
this.propertyStoreInterface = (IPropertyStore)this.mediaComObject;
this.resamplerPropsInterface = (IWMResamplerProps)this.mediaComObject;
}
private void CreateH264Decoder()
{
HResult hr;
// create H.264 decoder
var comobject = new ResamplerMediaComObject();
decodertransform = (IMFTransform)comobject;
// setup input media type for decoder
MFExtern.MFCreateMediaType(out decinputmediatype);
// setup media type manualy
IMFMediaType testdecinputmediatype, testdecoutputmediatype;
decinputmediatype.SetGUID(MFAttributesClsid.MF_MT_MAJOR_TYPE, MFMediaType.Video);
decinputmediatype.SetGUID(MFAttributesClsid.MF_MT_SUBTYPE, MFMediaType.H264);
decinputmediatype.SetUINT32(MFAttributesClsid.MF_MT_INTERLACE_MODE, (int)MFVideoInterlaceMode.Progressive);
MFExtern.MFSetAttributeSize(decinputmediatype, MFAttributesClsid.MF_MT_FRAME_SIZE, VIDEO_SAMPLE_WIDTH, VIDEO_SAMPLE_HEIGHT);
uint fixedSampleSize = VIDEO_SAMPLE_WIDTH * (16 * ((VIDEO_SAMPLE_HEIGHT + 15) / 16)) + VIDEO_SAMPLE_WIDTH * (VIDEO_SAMPLE_HEIGHT / 2);//for Y, U and V
decinputmediatype.SetUINT32(MFAttributesClsid.MF_MT_SAMPLE_SIZE, fixedSampleSize);
decinputmediatype.SetUINT32(MFAttributesClsid.MF_MT_DEFAULT_STRIDE, VIDEO_SAMPLE_WIDTH);
decinputmediatype.SetUINT32(MFAttributesClsid.MF_MT_FIXED_SIZE_SAMPLES, 1);
decinputmediatype.SetUINT32(MFAttributesClsid.MF_MT_ALL_SAMPLES_INDEPENDENT, 1);
MFExtern.MFSetAttributeRatio(decinputmediatype, MFAttributesClsid.MF_MT_PIXEL_ASPECT_RATIO, 1, 1);
hr = decodertransform.SetInputType(0, decinputmediatype, 0);
decodertransform.GetInputAvailableType(0, 0, out testdecinputmediatype);
// setup media type for output of decoder
MFExtern.MFCreateMediaType(out decoutputmediatype);
decoutputmediatype.SetGUID(MFAttributesClsid.MF_MT_MAJOR_TYPE, MFMediaType.Video);
decoutputmediatype.SetGUID(MFAttributesClsid.MF_MT_SUBTYPE, MFMediaType.IYUV);
MFExtern.MFSetAttributeSize(decoutputmediatype, MFAttributesClsid.MF_MT_FRAME_SIZE, VIDEO_SAMPLE_WIDTH, VIDEO_SAMPLE_HEIGHT);
MFExtern.MFSetAttributeRatio(decoutputmediatype, MFAttributesClsid.MF_MT_FRAME_RATE, 30, 1);
MFExtern.MFSetAttributeRatio(decoutputmediatype, MFAttributesClsid.MF_MT_PIXEL_ASPECT_RATIO, 1, 1);
decoutputmediatype.SetUINT32(MFAttributesClsid.MF_MT_INTERLACE_MODE, 2);
hr = decodertransform.SetOutputType(0, decoutputmediatype, 0);
decodertransform.GetOutputAvailableType(0, 0, out testdecoutputmediatype);
decodertransform.GetInputStatus(0, out mftStatus);
if (mftStatus != MFTInputStatusFlags.AcceptData)
{
Debug.WriteLine("DECODER NOT ACCEPT INPUT DATA");
return;
}
else
{
Debug.WriteLine("PROCESS INPUT DONE>>>> " + mftStatus);
}
decodertransform.ProcessMessage(MFTMessageType.CommandFlush, (IntPtr)null);
decodertransform.ProcessMessage(MFTMessageType.NotifyBeginStreaming, (IntPtr)null);
decodertransform.ProcessMessage(MFTMessageType.NotifyStartOfStream, (IntPtr)null);
}
/// <summary>
/// Dispose code - experimental at the moment
/// Was added trying to track down why Resampler crashes NUnit
/// This code not currently being called by ResamplerDmoStream
/// </summary>
public void Dispose()
{
if(propertyStoreInterface != null)
{
Marshal.ReleaseComObject(propertyStoreInterface);
propertyStoreInterface = null;
}
if(resamplerPropsInterface != null)
{
Marshal.ReleaseComObject(resamplerPropsInterface);
resamplerPropsInterface = null;
}
if (mediaObject != null)
{
mediaObject.Dispose();
mediaObject = null;
}
if (mediaComObject != null)
{
Marshal.ReleaseComObject(mediaComObject);
mediaComObject = null;
}
}
/// <summary>
/// Dispose code - experimental at the moment
/// Was added trying to track down why Resampler crashes NUnit
/// This code not currently being called by ResamplerDmoStream
/// </summary>
public void Dispose()
{
if(propertyStoreInterface != null)
{
Marshal.ReleaseComObject(propertyStoreInterface);
propertyStoreInterface = null;
}
if(resamplerPropsInterface != null)
{
Marshal.ReleaseComObject(resamplerPropsInterface);
resamplerPropsInterface = null;
}
if (mediaObject != null)
{
mediaObject.Dispose();
mediaObject = null;
}
if (mediaComObject != null)
{
Marshal.ReleaseComObject(mediaComObject);
mediaComObject = null;
}
}
public void Dispose()
{
if (this.propertyStoreInterface != null)
{
Marshal.ReleaseComObject(this.propertyStoreInterface);
this.propertyStoreInterface = null;
}
if (this.resamplerPropsInterface != null)
{
Marshal.ReleaseComObject(this.resamplerPropsInterface);
this.resamplerPropsInterface = null;
}
if (this.mediaObject != null)
{
this.mediaObject.Dispose();
this.mediaObject = null;
}
if (this.mediaComObject != null)
{
Marshal.ReleaseComObject(this.mediaComObject);
this.mediaComObject = null;
}
}
