本文整理汇总了C++中FrameBuffer::GetUpComponent方法的典型用法代码示例。如果您正苦于以下问题:C++ FrameBuffer::GetUpComponent方法的具体用法?C++ FrameBuffer::GetUpComponent怎么用?C++ FrameBuffer::GetUpComponent使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类FrameBuffer
的用法示例。
在下文中一共展示了FrameBuffer::GetUpComponent方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: DoModeDecn
void ModeDecider::DoModeDecn(const FrameBuffer& my_buffer, int frame_num, MEData& me_data)
{
// We've got 'raw' block motion vectors for up to two reference frames. Now we want
// to make a decision as to mode. In this initial implementation, this is bottom-up
// i.e. find mvs for MBs and sub-MBs and see whether it's worthwhile merging.
int ref1,ref2;
// Initialise //
////////////////
fsort = my_buffer.GetFrame(frame_num).GetFparams().FSort();
if (fsort.IsInter())
{
// Extract the references
const vector<int>& refs = my_buffer.GetFrame(frame_num).GetFparams().Refs();
num_refs = refs.size();
ref1 = refs[0];
// The picture we're doing estimation from
m_pic_data = &(my_buffer.GetComponent( frame_num , Y_COMP));
// Set up the hierarchy of motion vector data objects
m_me_data_set[0] = new MEData( m_encparams.XNumMB() , m_encparams.YNumMB() ,
m_encparams.XNumBlocks()/4 , m_encparams.YNumBlocks()/4, num_refs );
m_me_data_set[1] = new MEData( m_encparams.XNumMB() , m_encparams.YNumMB() ,
m_encparams.XNumBlocks()/2 , m_encparams.YNumBlocks()/2, num_refs );
m_me_data_set[2] = &me_data;
// Set up the lambdas to use per block
m_me_data_set[0]->SetLambdaMap( 0 , me_data.LambdaMap() , 1.0/m_level_factor[0] );
m_me_data_set[1]->SetLambdaMap( 1 , me_data.LambdaMap() , 1.0/m_level_factor[1] );
// Set up the reference pictures
m_ref1_updata = &(my_buffer.GetUpComponent( ref1 , Y_COMP));
if (num_refs>1)
{
ref2 = refs[1];
m_ref2_updata = &(my_buffer.GetUpComponent( ref2 , Y_COMP));
// Create an object for computing bi-directional prediction calculations
if ( m_encparams.MVPrecision()==MV_PRECISION_EIGHTH_PIXEL )
m_bicheckdiff = new BiBlockEighthPel( *m_ref1_updata ,
*m_ref2_updata ,
*m_pic_data );
else if ( m_encparams.MVPrecision()==MV_PRECISION_QUARTER_PIXEL )
m_bicheckdiff = new BiBlockQuarterPel( *m_ref1_updata ,
*m_ref2_updata ,
*m_pic_data );
else
m_bicheckdiff = new BiBlockHalfPel( *m_ref1_updata ,
*m_ref2_updata ,
*m_pic_data );
}
else
{
ref2 = ref1;
}
// Create an object for doing intra calculations
m_intradiff = new IntraBlockDiff( *m_pic_data );
// Loop over all the macroblocks, doing the work //
///////////////////////////////////////////////////
for (m_ymb_loc=0 ; m_ymb_loc<m_encparams.YNumMB() ; ++m_ymb_loc )
{
for (m_xmb_loc=0 ; m_xmb_loc<m_encparams.XNumMB(); ++m_xmb_loc )
{
DoMBDecn();
}//m_xmb_loc
}//m_ymb_loc
delete m_intradiff;
if (num_refs>1)
delete m_bicheckdiff;
}
}