private async Task <object> getEncoderNode(
object aMediaSource,
uint aStreamIndex,
uint aMediaTypeIndex,
Guid aCLSIDEncoder,
Guid aCLSIDEncoderMode,
int aCompressedMediaTypeIndex,
object aOutputNode)
{
object lresult = null;
do
{
if (aCompressedMediaTypeIndex < 0)
{
break;
}
object lSourceMediaType = await mSourceControl.getSourceOutputMediaTypeFromMediaSourceAsync(
aMediaSource,
aStreamIndex,
aMediaTypeIndex);
if (lSourceMediaType == null)
{
break;
}
var lEncoderNodeFactory = await mEncoderControl.createEncoderNodeFactoryAsync(
aCLSIDEncoder);
if (lEncoderNodeFactory == null)
{
break;
}
object lEncoderNode = await lEncoderNodeFactory.createEncoderNodeAsync(
lSourceMediaType,
aCLSIDEncoderMode,
50,
(uint)aCompressedMediaTypeIndex,
aOutputNode);
lresult = lEncoderNode;
} while (false);
return(lresult);
}
private async Task <object> getCompressedMediaType(
ICaptureProcessor a_ICaptureProcessor,
int a_StreamIndex,
int a_MediaTypeIndex,
XmlNode aEncoderNode,
XmlNode aEncoderModeNode,
int aCompressedMediaTypeIndex)
{
object lresult = null;
do
{
if (aCompressedMediaTypeIndex < 0)
{
break;
}
object lMediaSource = await mSourceControl.createSourceFromCaptureProcessorAsync(a_ICaptureProcessor);
if (lMediaSource == null)
{
break;
}
if (a_StreamIndex < 0)
{
break;
}
if (a_MediaTypeIndex < 0)
{
break;
}
if (aEncoderNode == null)
{
break;
}
if (aEncoderModeNode == null)
{
break;
}
var lEncoderGuidAttr = aEncoderNode.Attributes["CLSID"];
if (lEncoderGuidAttr == null)
{
break;
}
Guid lCLSIDEncoder;
if (!Guid.TryParse(lEncoderGuidAttr.Value, out lCLSIDEncoder))
{
break;
}
var lEncoderModeGuidAttr = aEncoderModeNode.Attributes["GUID"];
if (lEncoderModeGuidAttr == null)
{
break;
}
Guid lCLSIDEncoderMode;
if (!Guid.TryParse(lEncoderModeGuidAttr.Value, out lCLSIDEncoderMode))
{
break;
}
uint lStreamIndex = (uint)a_StreamIndex;
uint lMediaTypeIndex = (uint)a_MediaTypeIndex;
object lSourceMediaType = await mSourceControl.getSourceOutputMediaTypeFromMediaSourceAsync(
lMediaSource,
lStreamIndex,
lMediaTypeIndex);
if (lSourceMediaType == null)
{
break;
}
var lEncoderNodeFactory = await mEncoderControl.createEncoderNodeFactoryAsync(lCLSIDEncoder);
if (lEncoderNodeFactory == null)
{
break;
}
lresult = await lEncoderNodeFactory.createCompressedMediaTypeAsync(
lSourceMediaType,
lCLSIDEncoderMode,
50,
(uint)aCompressedMediaTypeIndex);
} while (false);
return(lresult);
}
