ADTF  3.14.3
md_sample_data< T >

Template to provide media description based access to Sample data. More...

Detailed Description

template<typename T>
class adtf::mediadescription::flash::md_sample_data< T >

Template to provide media description based access to Sample data.

The MD Generator Tool will generate spezializations of this template that provide access methods for all members of the given struct.

Template Parameters
TThe type af the Sample content.

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*/,
{
RETURN_NOERROR;
}
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());
RETURN_NOERROR;
}
private:
};
Copyright © Audi Electronics Venture GmbH.
#define ADTF_CLASS_ID_NAME(_class, _strcid, _strclabel)
Common macro to enable correct treatment of class identifier AND Class Name by IClassInfo.
Definition: class_id.h:33
This factory provides instances of md_sample_data for incoming samples.
Interface for sample reads that read from sample streams via input pins.
Base object pointer to realize binary compatible reference counting in interface methods.
#define LOG_INFO(...)
Log a message with LogLevel Info.
Definition: log.h:123
Template to provide struct name and definition for a generated struct.

Definition at line 71 of file md_sample_data_legacy.h.


Copyright © Audi Electronics Venture GmbH. All rights reserved. (Generated on Thu Jun 9 2022 by doxygen 1.9.1)