/*!
************************************************************************
* \brief
* Returns inter-view prediction pic with given targetViewID
*
************************************************************************
*/
static StorablePicture* get_inter_view_pic(VideoParameters *p_Vid, Slice *currSlice, int targetViewID, int currPOC, int listidx)
{
unsigned i;
unsigned int listinterview_size;
FrameStore **fs_listinterview;
if (listidx == 0)
{
fs_listinterview = currSlice->fs_listinterview0;
listinterview_size = currSlice->listinterviewidx0;
}
else
{
fs_listinterview = currSlice->fs_listinterview1;
listinterview_size = currSlice->listinterviewidx1;
}
for(i=0; i<listinterview_size; i++)
{
if (fs_listinterview[i]->layer_id == GetVOIdx( p_Vid, targetViewID ))
{
if(p_Vid->structure==FRAME && fs_listinterview[i]->frame->poc == currPOC)
{
return fs_listinterview[i]->frame;
}
else if(p_Vid->structure==TOP_FIELD && fs_listinterview[i]->top_field->poc == currPOC)
{
return fs_listinterview[i]->top_field;
}
else if(p_Vid->structure==BOTTOM_FIELD && fs_listinterview[i]->bottom_field->poc == currPOC)
{
return fs_listinterview[i]->bottom_field;
}
}
}
return NULL;
}
/*!
************************************************************************
* \brief
* Reordering process for MVC reference picture lists
*
************************************************************************
*/
void reorder_ref_pic_list_mvc(Slice *currSlice, int cur_list, int **anchor_ref, int **non_anchor_ref, int view_id, int anchor_pic_flag, int currPOC, int listidx)
{
VideoParameters *p_Vid = currSlice->p_Vid;
int *reordering_of_pic_nums_idc = currSlice->reordering_of_pic_nums_idc[cur_list];
int *abs_diff_pic_num_minus1 = currSlice->abs_diff_pic_num_minus1[cur_list];
int *long_term_pic_idx = currSlice->long_term_pic_idx[cur_list];
int num_ref_idx_lX_active_minus1 = currSlice->num_ref_idx_active[cur_list] - 1;
int *abs_diff_view_idx_minus1 = currSlice->abs_diff_view_idx_minus1[cur_list];
int i;
int maxPicNum, currPicNum, picNumLXNoWrap, picNumLXPred, picNumLX;
int picViewIdxLX, targetViewID;
int refIdxLX = 0;
int maxViewIdx =0;
int curr_VOIdx = -1;
int picViewIdxLXPred=-1;
if (p_Vid->structure==FRAME)
{
maxPicNum = p_Vid->MaxFrameNum;
currPicNum = currSlice->frame_num;
}
else
{
maxPicNum = 2 * p_Vid->MaxFrameNum;
currPicNum = 2 * currSlice->frame_num + 1;
}
if(currSlice->svc_extension_flag==0)
{
curr_VOIdx = GetVOIdx(p_Vid, view_id);
maxViewIdx = get_maxViewIdx(p_Vid, view_id, anchor_pic_flag, 0);
picViewIdxLXPred=-1;
}
picNumLXPred = currPicNum;
for (i=0; reordering_of_pic_nums_idc[i]!=3; i++)
{
if (reordering_of_pic_nums_idc[i] > 5)
error ("Invalid remapping_of_pic_nums_idc command", 500);
if (reordering_of_pic_nums_idc[i] < 2)
{
if (reordering_of_pic_nums_idc[i] == 0)
{
if( picNumLXPred - ( abs_diff_pic_num_minus1[i] + 1 ) < 0 )
picNumLXNoWrap = picNumLXPred - ( abs_diff_pic_num_minus1[i] + 1 ) + maxPicNum;
else
picNumLXNoWrap = picNumLXPred - ( abs_diff_pic_num_minus1[i] + 1 );
}
else // (remapping_of_pic_nums_idc[i] == 1)
{
if( picNumLXPred + ( abs_diff_pic_num_minus1[i] + 1 ) >= maxPicNum )
picNumLXNoWrap = picNumLXPred + ( abs_diff_pic_num_minus1[i] + 1 ) - maxPicNum;
else
picNumLXNoWrap = picNumLXPred + ( abs_diff_pic_num_minus1[i] + 1 );
}
picNumLXPred = picNumLXNoWrap;
if( picNumLXNoWrap > currPicNum )
picNumLX = picNumLXNoWrap - maxPicNum;
else
picNumLX = picNumLXNoWrap;
reorder_short_term(currSlice, cur_list, num_ref_idx_lX_active_minus1, picNumLX, &refIdxLX, view_id);
}
else if (reordering_of_pic_nums_idc[i] == 2) //(remapping_of_pic_nums_idc[i] == 2)
{
reorder_long_term(currSlice, currSlice->listX[cur_list], num_ref_idx_lX_active_minus1, long_term_pic_idx[i], &refIdxLX, view_id);
}
else
{
if(reordering_of_pic_nums_idc[i] == 4) //(remapping_of_pic_nums_idc[i] == 4)
{
picViewIdxLX = picViewIdxLXPred - (abs_diff_view_idx_minus1[i] + 1);
if( picViewIdxLX <0)
picViewIdxLX += maxViewIdx;
}
else //(remapping_of_pic_nums_idc[i] == 5)
{
picViewIdxLX = picViewIdxLXPred + (abs_diff_view_idx_minus1[i] + 1);
if( picViewIdxLX >= maxViewIdx)
picViewIdxLX -= maxViewIdx;
}
picViewIdxLXPred = picViewIdxLX;
if (anchor_pic_flag)
targetViewID = anchor_ref[curr_VOIdx][picViewIdxLX];
else
targetViewID = non_anchor_ref[curr_VOIdx][picViewIdxLX];
reorder_interview(p_Vid, currSlice, currSlice->listX[cur_list], num_ref_idx_lX_active_minus1, picViewIdxLX, &refIdxLX, targetViewID, currPOC, listidx);
}
}
// that's a definition
currSlice->listXsize[cur_list] = (char) (num_ref_idx_lX_active_minus1 + 1);
}