bool StreamFieldInput::ReadNextPicture(Picture& mypic)
{
// FIXME: this method is BROKEN!
//return value. Failure if one of the components can't be read,
//success otherwise/.
bool ret_val;
bool is_field1 = ((mypic.GetPparams().PictureNum()%2) == 0);
ret_val=ReadFieldComponent( is_field1, mypic.Data(Y_COMP), Y_COMP);
ret_val&=ReadFieldComponent(is_field1, mypic.Data(U_COMP), U_COMP);
ret_val&=ReadFieldComponent(is_field1, mypic.Data(V_COMP), V_COMP);
int picture_size = m_sparams.Xl()*m_sparams.Yl() +
2*m_sparams.ChromaWidth()*m_sparams.ChromaHeight();
if (is_field1)
{
//Seek back to the beginning of frame so that the next field
//from the frame can be read
m_ip_pic_ptr->seekg (-picture_size, std::ios::cur);
}
return ret_val;
}
bool StreamFrameOutput::WriteToNextFrame( const Picture& myframe )
{
bool ret_val;
ret_val=WriteFrameComponent(myframe.Data(Y_COMP), Y_COMP );
ret_val&=WriteFrameComponent( myframe.Data(U_COMP), U_COMP );
ret_val&=WriteFrameComponent( myframe.Data(V_COMP), V_COMP );
return ret_val;
}
bool StreamFieldOutput::WriteToNextFrame( const Picture& myfield )
{
bool ret_val;
ret_val=WriteFieldComponent(myfield.Data(Y_COMP) , myfield.GetPparams().PictureNum(), Y_COMP );
ret_val&=WriteFieldComponent(myfield.Data(U_COMP) , myfield.GetPparams().PictureNum(), U_COMP );
ret_val&=WriteFieldComponent(myfield.Data(V_COMP) , myfield.GetPparams().PictureNum(), V_COMP );
return ret_val;
}
bool StreamFieldInput::ReadNextFrame(Picture& field1, Picture& field2)
{
//return value. Failure if one of the components can't be read,
//success otherwise/.
bool ret_val = false;
ret_val=ReadFieldComponent( field1.Data(Y_COMP), field2.Data(Y_COMP), Y_COMP);
ret_val&=ReadFieldComponent(field1.Data(U_COMP), field2.Data(U_COMP), U_COMP);
ret_val&=ReadFieldComponent(field1.Data(V_COMP), field2.Data(V_COMP), V_COMP);
return ret_val;
}
bool StreamFrameInput::ReadNextPicture(Picture& myframe)
{
//return value. Failure if one of the components can't be read,
//success otherwise/.
bool ret_val;
ret_val=ReadFrameComponent( myframe.Data(Y_COMP) , Y_COMP);
ret_val&=ReadFrameComponent(myframe.Data(U_COMP) , U_COMP);
ret_val&=ReadFrameComponent(myframe.Data(V_COMP) , V_COMP);
return ret_val;
}
void dirac::CWMFilter( Picture& picture, const int strength )
{
CWMFilterComponent( picture.Data(Y_COMP), strength );
CWMFilterComponent( picture.Data(U_COMP), strength );
CWMFilterComponent( picture.Data(V_COMP), strength );
}