C++ (Cpp) IMetadata::isEmpty示例

MBOOL INormalStream::queryCapability(IMetadata& rCapability)
{
    FUNCTION_LOG_START;
    rCapability = constructPortCapability();
    FUNCTION_LOG_END;
    return  !rCapability.isEmpty();
}

示例#2

显示文件

文件： WAVE_Handler.cpp 项目： AospPlus/android_external_Focal

void WAVE_MetaHandler::updateLegacyChunk( IChunkData **chunk, XMP_Uns32 chunkID, XMP_Uns32 chunkType, IMetadata &legacyData )
{
	// If there is a legacy value, update/create the appropriate chunk
	if( ! legacyData.isEmpty() )
	{
		XMP_Uns8* buffer = NULL;
		XMP_Uns64 size = legacyData.serialize( &buffer );

		if( *chunk != NULL )
		{			
			(*chunk)->setData( buffer, size, false );
		}
		else
		{
			*chunk = mChunkController->createChunk( chunkID, chunkType );
			(*chunk)->setData( buffer, size, false );
			mChunkController->insertChunk( *chunk );
		}

		delete[] buffer;
	}
	else //delete chunk if existing
	{
		mChunkController->removeChunk ( *chunk );
	}
}//updateLegacyChunk

示例#3

显示文件

MBOOL IFeatureStream::queryCapability(IMetadata& rCapability)
{
    FUNCTION_LOG_START;
    LOG_INF("No support query capability in feature stream");
    FUNCTION_LOG_END;
    return  !rCapability.isEmpty();
}