ADTF  3.13.2
description< T >

Template to provide struct name and definition for a generated struct. More...

Detailed Description

template<typename T>
struct adtf::mediadescription::flash::description< T >

Template to provide struct name and definition for a generated struct.

The MD Generator Tool will generate spezializations of this template, that provides a "name" and a "description" attribute.

Example Usage

test_struct.description:

<structs>
<struct name="tChild" alignment="4" version="1">
<element name="nA" type="tUInt32" arraysize="1">
<deserialized alignment="4"/>
<serialized bytepos="0" byteorder="LE"/>
</element>
<element name="nB" type="tUInt32" arraysize="1">
<deserialized alignment="4"/>
<serialized bytepos="4" byteorder="LE"/>
</element>
</struct>
<struct name="tTest" alignment="4" version="1">
<element name="nValue" type="tUInt32" arraysize="1">
<deserialized alignment="4"/>
<serialized bytepos="0" byteorder="LE"/>
</element>
<element name="aArray" type="tUInt32" arraysize="2">
<deserialized alignment="4"/>
<serialized bytepos="4" byteorder="LE"/>
</element>
<element name="sChild" type="tChild" arraysize="1">
<deserialized alignment="4"/>
<serialized bytepos="12" byteorder="LE"/>
</element>
<element name="aChildren" type="tChild" arraysize="2">
<deserialized alignment="4"/>
<serialized bytepos="20" byteorder="LE"/>
</element>
</struct>
</structs>
// include the generated header
#include <test_struct.h>
class cMyFilter: public adtf::filter::cFilter
{
public:
ADTF_CLASS_ID_NAME(cMyFilter, "my_filter.filter.example.cid", "My Filter");
cMyFilter()
{
CreateInputPin("input", adtf::mediadescription::description<tTest>());
}
tResult AcceptType(adtf::streaming::ISampleReader* /*pReader*/,
{
}
tResult ProcessInput(adtf::streaming::ISampleReader* /*pReader*/,
{
auto oSampleData = m_oSampleDataFactory.Make(pSample);
LOG_INFO("received a sample:\n"
" nValue = %u\n"
" aArray[0] = %u\n"
" sChild.nA = %u\n"
" aChildren[0].nA = %u",
oSampleData.nValue(),
oSampleData.aArray()[0],
oSampleData.sChild().nA(),
oSampleData.aChildren()[0].nB());
}
private:
};

Definition at line 42 of file md_sample_data.h.


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