/*!
************************************************************************
* \brief
* Encode Enhancement Layer.
************************************************************************
*/
void encode_enhancement_layer()
{
int previous_ref_idc = 1;
if ((input->successive_Bframe != 0) && (IMG_NUMBER > 0)) // B-frame(s) to encode
{
if (input->PReplaceBSlice)
img->type = P_SLICE; // set image type to P-frame
else
img->type = B_SLICE; // set image type to B-frame
if (input->NumFramesInELSubSeq == 0)
img->layer = 0;
else
img->layer = 1;
if (input->BRefPictures != 1 && input->HierarchicalCoding==0)
{
img->frame_num++; //increment frame_num once for B-frames
img->frame_num %= (1 << (log2_max_frame_num_minus4 + 4));
}
img->nal_reference_idc = 0;
//if (input->HierarchicalCoding == 3 || input->HierarchicalCoding == 1)
if (input->HierarchicalCoding)
{
for(img->b_frame_to_code=1; img->b_frame_to_code<=input->successive_Bframe; img->b_frame_to_code++)
{
img->nal_reference_idc = 0;
img->type = gop_structure[img->b_frame_to_code - 1].slice_type;
if (previous_ref_idc == 1)
{
img->frame_num++; //increment frame_num for each stored B slice
img->frame_num %= (1 << (log2_max_frame_num_minus4 + 4));
}
if (gop_structure[img->b_frame_to_code - 1].reference_idc== NALU_PRIORITY_HIGH )
{
img->nal_reference_idc = 1;
previous_ref_idc = 1;
}
else
previous_ref_idc = 0;
img->b_interval =
((double) (input->jumpd + 1) / (input->successive_Bframe + 1.0) );
if (input->HierarchicalCoding == 3)
img->b_interval = 1.0;
if(input->intra_period && input->idr_enable)
img->toppoc = 2*(((IMG_NUMBER%input->intra_period)-1)*(input->jumpd+1) + (int)(img->b_interval * (double)(1 + gop_structure[img->b_frame_to_code - 1].display_no)));
else
img->toppoc = 2*((IMG_NUMBER-1)*(input->jumpd + 1) + (int)(img->b_interval * (double)(1 + gop_structure[img->b_frame_to_code -1].display_no)));
if (img->b_frame_to_code == 1)
img->delta_pic_order_cnt[0] = img->toppoc - 2*(start_tr_in_this_IGOP + (IMG_NUMBER)*((input->jumpd+1)));
else
img->delta_pic_order_cnt[0] = img->toppoc - 2*(start_tr_in_this_IGOP + (IMG_NUMBER-1)*((input->jumpd+1)) + (int) (2.0 *img->b_interval * (double) (1+ gop_structure[img->b_frame_to_code - 2].display_no)));
if ((input->PicInterlace==FRAME_CODING)&&(input->MbInterlace==FRAME_CODING))
img->bottompoc = img->toppoc; //progressive
else
img->bottompoc = img->toppoc+1;
img->framepoc = imin (img->toppoc, img->bottompoc);
img->delta_pic_order_cnt[1]= 0; // POC200301
encode_one_frame(); // encode one B-frame
if (input->ReportFrameStats)
report_frame_statistic();
if (gop_structure[img->b_frame_to_code - 1].reference_idc== NALU_PRIORITY_HIGH && img->b_frame_to_code==input->successive_Bframe)
{
img->frame_num++; //increment frame_num for each stored B slice
img->frame_num %= (1 << (log2_max_frame_num_minus4 + 4));
}
}
img->b_frame_to_code = 0;
}
else
{
for(img->b_frame_to_code=1; img->b_frame_to_code<=input->successive_Bframe; img->b_frame_to_code++)
{
img->nal_reference_idc = 0;
if (input->BRefPictures == 1 )
{
img->nal_reference_idc = 1;
img->frame_num++; //increment frame_num once for B-frames
img->frame_num %= (1 << (log2_max_frame_num_minus4 + 4));
}
img->b_interval =
((double) (input->jumpd + 1) / (input->successive_Bframe + 1.0) );
if (input->HierarchicalCoding == 3)
img->b_interval = 1.0;
if(input->intra_period && input->idr_enable)
img->toppoc = 2*(((IMG_NUMBER% input->intra_period)-1)*(input->jumpd+1) + (int) (img->b_interval * (double)img->b_frame_to_code));
else
img->toppoc = 2*((IMG_NUMBER-1)*(input->jumpd+1) + (int) (img->b_interval * (double)img->b_frame_to_code));
if ((input->PicInterlace==FRAME_CODING)&&(input->MbInterlace==FRAME_CODING))
img->bottompoc = img->toppoc; //progressive
else
img->bottompoc = img->toppoc+1;
img->framepoc = imin (img->toppoc, img->bottompoc);
//the following is sent in the slice header
if (input->BRefPictures != 1)
{
img->delta_pic_order_cnt[0]= 2*(img->b_frame_to_code-1);
}
else
{
img->delta_pic_order_cnt[0]= -2;
}
img->delta_pic_order_cnt[1]= 0; // POC200301
encode_one_frame(); // encode one B-frame
if (input->BRefPictures == 1 && img->b_frame_to_code==input->successive_Bframe)
{
img->frame_num++; //increment frame_num for each stored B slice
img->frame_num %= (1 << (log2_max_frame_num_minus4 + 4));
}
if (input->ReportFrameStats)
report_frame_statistic();
}
}
}
img->b_frame_to_code = 0;
}
/*!
************************************************************************
* \brief
* Encode Enhancement Layer.
************************************************************************
*/
void encode_enhancement_layer()
{
//int previous_ref_idc = 1;
if ((params->successive_Bframe != 0) && (IMG_NUMBER > 0) && (params->EnableIDRGOP == 0 || img->idr_gop_number)) // B-frame(s) to encode
{
set_slice_type( ( params->PReplaceBSlice ) ? P_SLICE : B_SLICE); // set slice type
img->layer = (params->NumFramesInELSubSeq == 0) ? 0 : 1;
img->nal_reference_idc = NALU_PRIORITY_DISPOSABLE;
if (params->HierarchicalCoding)
{
for(img->b_frame_to_code = 1; img->b_frame_to_code <= params->successive_Bframe; img->b_frame_to_code++)
{
img->nal_reference_idc = NALU_PRIORITY_DISPOSABLE;
set_slice_type( gop_structure[img->b_frame_to_code - 1].slice_type);
if (img->last_ref_idc == 1)
{
img->frame_num++; //increment frame_num for each stored B slice
img->frame_num %= max_frame_num;
}
img->nal_reference_idc = gop_structure[img->b_frame_to_code - 1].reference_idc;
img->b_interval = ((double) (params->jumpd + 1) / (params->successive_Bframe + 1.0) );
if (params->HierarchicalCoding == 3)
img->b_interval = 1.0;
if (IMG_NUMBER && (IMG_NUMBER <= params->intra_delay))
{
if(params->idr_period && ((!params->adaptive_idr_period && ( img->frm_number - img->lastIDRnumber ) % params->idr_period == 0)
|| (params->adaptive_idr_period == 1 && ( img->frm_number - imax(img->lastIntraNumber, img->lastIDRnumber) ) % params->idr_period == 0)) )
img->toppoc = (int)(img->b_interval * (double)(1 + gop_structure[img->b_frame_to_code - 1].display_no));
else
img->toppoc = 2*((-img->frm_number + img->lastIDRnumber)*(params->jumpd + 1)
+ (int)(img->b_interval * (double)(1 + gop_structure[img->b_frame_to_code -1].display_no)));
if (img->b_frame_to_code == 1)
img->delta_pic_order_cnt[0] = img->toppoc - 2*(start_tr_in_this_IGOP + (params->intra_delay - IMG_NUMBER)*((params->jumpd + 1)));
else
img->delta_pic_order_cnt[0] = img->toppoc - 2*(start_tr_in_this_IGOP + (params->intra_delay - IMG_NUMBER)*((params->jumpd + 1))
+ (int) (2.0 *img->b_interval * (double) (1 + gop_structure[img->b_frame_to_code - 2].display_no)));
}
else
{
if(params->idr_period && !params->adaptive_idr_period)
img->toppoc = 2*((( ( img->frm_number - img->lastIDRnumber - params->intra_delay) % params->idr_period ) - 1)*(params->jumpd + 1)
+ (int)(img->b_interval * (double)(1 + gop_structure[img->b_frame_to_code - 1].display_no)));
else if(params->idr_period && params->adaptive_idr_period == 1)
img->toppoc = 2*((( img->frm_number - img->lastIDRnumber - params->intra_delay ) - 1)*(params->jumpd + 1)
+ (int)(img->b_interval * (double)(1 + gop_structure[img->b_frame_to_code - 1].display_no)));
else
img->toppoc = 2*((img->frm_number - img->lastIDRnumber - 1 - params->intra_delay)*(params->jumpd + 1)
+ (int)(img->b_interval * (double)(1 + gop_structure[img->b_frame_to_code - 1].display_no)));
if (img->b_frame_to_code == 1)
img->delta_pic_order_cnt[0] = img->toppoc - 2*(start_tr_in_this_IGOP + (img->frm_number - img->lastIDRnumber)*((params->jumpd + 1)));
else
img->delta_pic_order_cnt[0] = img->toppoc - 2*(start_tr_in_this_IGOP + (img->frm_number - img->lastIDRnumber - 1)*((params->jumpd + 1))
+ (int) (2.0 *img->b_interval * (double) (1+ gop_structure[img->b_frame_to_code - 2].display_no)));
}
img->bottompoc = ((params->PicInterlace==FRAME_CODING)&&(params->MbInterlace==FRAME_CODING)) ? img->toppoc : img->toppoc + 1;
img->framepoc = imin (img->toppoc, img->bottompoc);
img->delta_pic_order_cnt[1]= 0;
FrameNumberInFile = CalculateFrameNumber();
encode_one_frame(); // encode one frame
img->last_ref_idc = img->nal_reference_idc ? 1 : 0;
if (params->ReportFrameStats)
report_frame_statistic();
}
img->b_frame_to_code = 0;
}
else
{
for(img->b_frame_to_code = 1; img->b_frame_to_code <= params->successive_Bframe; img->b_frame_to_code++)
{
img->nal_reference_idc = (params->BRefPictures == 1 ) ? NALU_PRIORITY_LOW : NALU_PRIORITY_DISPOSABLE;
if (img->last_ref_idc)
{
img->frame_num++; //increment frame_num once for B-frames
img->frame_num %= max_frame_num;
}
img->b_interval =
((double) (params->jumpd + 1) / (params->successive_Bframe + 1.0) );
if (params->HierarchicalCoding == 3)
img->b_interval = 1.0;
if (IMG_NUMBER && (IMG_NUMBER <= params->intra_delay))
{
if(params->idr_period && ((!params->adaptive_idr_period && ( img->frm_number - img->lastIDRnumber ) % params->idr_period == 0)
|| (params->adaptive_idr_period == 1 && ( img->frm_number - imax(img->lastIntraNumber, img->lastIDRnumber) ) % params->idr_period == 0)) )
img->toppoc = (int) (img->b_interval * (double)img->b_frame_to_code);
else
img->toppoc = 2*((-img->frm_number + img->lastIDRnumber)*(params->jumpd + 1)
+ (int) (img->b_interval * (double)img->b_frame_to_code));
}
else
{
if(params->idr_period && !params->adaptive_idr_period)
img->toppoc = 2*((( ( img->frm_number - img->lastIDRnumber - params->intra_delay) % params->idr_period )-1)*(params->jumpd+1) + (int) (img->b_interval * (double)img->b_frame_to_code));
else if(params->idr_period && params->adaptive_idr_period == 1)
img->toppoc = 2*((( img->frm_number - img->lastIDRnumber - params->intra_delay )-1)*(params->jumpd+1) + (int) (img->b_interval * (double)img->b_frame_to_code));
else
img->toppoc = 2*((img->frm_number - img->lastIDRnumber - 1 - params->intra_delay)*(params->jumpd+1) + (int) (img->b_interval * (double)img->b_frame_to_code));
}
if ((params->PicInterlace==FRAME_CODING)&&(params->MbInterlace==FRAME_CODING))
img->bottompoc = img->toppoc; //progressive
else
img->bottompoc = img->toppoc+1;
img->framepoc = imin (img->toppoc, img->bottompoc);
//the following is sent in the slice header
if (params->BRefPictures != 1)
{
img->delta_pic_order_cnt[0]= 2 * (img->b_frame_to_code - 1);
}
else
{
img->delta_pic_order_cnt[0]= -2;
}
img->delta_pic_order_cnt[1]= 0; // POC200301
FrameNumberInFile = CalculateFrameNumber();
encode_one_frame(); // encode one B-frame
img->last_ref_idc = img->nal_reference_idc ? 1 : 0;
if (params->ReportFrameStats)
report_frame_statistic();
}
}
}
img->b_frame_to_code = 0;
}
