HRESULT STDMETHODCALLTYPE XnVideoStream::GetStreamCaps(int iIndex, AM_MEDIA_TYPE **pmt, BYTE *pSCC)
{
XN_METHOD_START;
XN_METHOD_CHECK_POINTER(pmt);
XN_METHOD_CHECK_POINTER(pSCC);
xnDumpFileWriteString(m_Dump, "\tCalling %s for %d\n", __FUNCTION__, iIndex);
CMediaType mediaType;
VIDEO_STREAM_CONFIG_CAPS* pvscc = (VIDEO_STREAM_CONFIG_CAPS*)pSCC;
HRESULT hr = GetStreamCapability(iIndex, mediaType, *pvscc);
if (FAILED(hr)) XN_METHOD_RETURN(hr);
xnDumpFileWriteString(m_Dump, "\tReturning %dx%d@%d using %s\n", m_aSupportedModes[iIndex].OutputMode.nXRes, m_aSupportedModes[iIndex].OutputMode.nYRes, m_aSupportedModes[iIndex].OutputMode.nFPS, xnPixelFormatToString(m_aSupportedModes[iIndex].Format));
*pmt = CreateMediaType(&mediaType);
XN_METHOD_RETURN(S_OK);
}
XnStatus XnSensorImageGenerator::SetPixelFormat(XnPixelFormat Format)
{
if (GetPixelFormat() == Format)
{
return (XN_STATUS_OK);
}
XN_PROPERTY_SET_CREATE_ON_STACK(props);
XnStatus nRetVal = XnPropertySetAddModule(&props, m_strModule);
XN_IS_STATUS_OK(nRetVal);
XnOutputFormats OutputFormat;
XnUInt32* anAllowedInputFormats = NULL;
XnUInt32 nAllowedInputFormats = 0;
switch (Format)
{
case XN_PIXEL_FORMAT_RGB24:
OutputFormat = XN_OUTPUT_FORMAT_RGB24;
anAllowedInputFormats = g_anAllowedRGBFormats;
nAllowedInputFormats = sizeof(g_anAllowedRGBFormats)/sizeof(XnUInt32);
break;
case XN_PIXEL_FORMAT_YUV422:
OutputFormat = XN_OUTPUT_FORMAT_YUV422;
anAllowedInputFormats = g_anAllowedYUVFormats;
nAllowedInputFormats = sizeof(g_anAllowedYUVFormats)/sizeof(XnUInt32);
break;
case XN_PIXEL_FORMAT_GRAYSCALE_8_BIT:
OutputFormat = XN_OUTPUT_FORMAT_GRAYSCALE8;
anAllowedInputFormats = g_anAllowedGray8Formats;
nAllowedInputFormats = sizeof(g_anAllowedGray8Formats)/sizeof(XnUInt32);
break;
case XN_PIXEL_FORMAT_MJPEG:
OutputFormat = XN_OUTPUT_FORMAT_JPEG;
anAllowedInputFormats = g_anAllowedJPEGFormats;
nAllowedInputFormats = sizeof(g_anAllowedJPEGFormats)/sizeof(XnUInt32);
break;
default:
return XN_STATUS_INVALID_OPERATION;
}
XnUInt32 nInputFormat = FindSupportedInputFormat(anAllowedInputFormats, nAllowedInputFormats);
if (nInputFormat == INVALID_INPUT_FORMAT)
{
XN_LOG_WARNING_RETURN(XN_STATUS_DEVICE_BAD_PARAM, XN_MASK_DEVICE_SENSOR, "Cannot set pixel format to %s - no matching input format.", xnPixelFormatToString(Format));
}
XnPropertySetAddIntProperty(&props, m_strModule, XN_STREAM_PROPERTY_INPUT_FORMAT, (XnUInt64)nInputFormat);
XnPropertySetAddIntProperty(&props, m_strModule, XN_STREAM_PROPERTY_OUTPUT_FORMAT, (XnUInt64)OutputFormat);
return m_pSensor->BatchConfig(&props);
}
