📄 epzs.c
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if (fs->ref_id [LIST_0][jdiv + 4][i] < 0 && listXsize[LIST_0] > 1)
{
fsx = fs_bottom1;
loffset = 1;
}
else
{
fsx = fs_bottom;
loffset = 0;
}
if (fs->ref_id [LIST_0][jdiv + 4][i] != -1)
{
for (iref=0;iref<min(img->num_ref_idx_l0_active,listXsize[LIST_0]);iref++)
{
if (enc_picture->ref_pic_num[LIST_0][iref]==fs->ref_id [LIST_0][jdiv + 4][i])
{
tempmv_scale[LIST_0] = epzs_scale[loffset][LIST_0][iref];
tempmv_scale[LIST_1] = epzs_scale[loffset][LIST_1][iref];
break;
}
}
p->mv[LIST_0][j][i][0] = (tempmv_scale[LIST_0] * fsx->mv[LIST_0][jj][i][0] + 32) >> 6;
p->mv[LIST_0][j][i][1] = (tempmv_scale[LIST_0] * fsx->mv[LIST_0][jj][i][1] + 32) >> 6;
p->mv[LIST_1][j][i][0] = (tempmv_scale[LIST_1] * fsx->mv[LIST_0][jj][i][0] + 32) >> 6;
p->mv[LIST_1][j][i][1] = (tempmv_scale[LIST_1] * fsx->mv[LIST_0][jj][i][1] + 32) >> 6;
}
else
{
p->mv[LIST_0][j][i][0] = 0;
p->mv[LIST_0][j][i][1] = 0;
p->mv[LIST_1][j][i][0] = 0;
p->mv[LIST_1][j][i][1] = 0;
}
}
}
else
{
tempmv_scale[LIST_0] = 256;
tempmv_scale[LIST_1] = 0;
if (fs->ref_id [LIST_0][j][i] < 0 && listXsize[LIST_0] > 1)
{
fsx = fs1;
loffset = 1;
}
else
{
fsx = fs;
loffset = 0;
}
if (fsx->ref_id [LIST_0][j][i] != -1)
{
for (iref=0;iref<min(img->num_ref_idx_l0_active,listXsize[LIST_0]);iref++)
{
if (enc_picture->ref_pic_num[LIST_0][iref]==fsx->ref_id [LIST_0][j][i])
{
tempmv_scale[LIST_0] = epzs_scale[loffset][LIST_0][iref];
tempmv_scale[LIST_1] = epzs_scale[loffset][LIST_1][iref];
break;
}
}
p->mv[LIST_0][j][i][0] = (tempmv_scale[LIST_0] * fsx->mv[LIST_0][j][i][0] + 32) >> 6;
p->mv[LIST_0][j][i][1] = (tempmv_scale[LIST_0] * fsx->mv[LIST_0][j][i][1] + 32) >> 6;
p->mv[LIST_1][j][i][0] = (tempmv_scale[LIST_1] * fsx->mv[LIST_0][j][i][0] + 32) >> 6;
p->mv[LIST_1][j][i][1] = (tempmv_scale[LIST_1] * fsx->mv[LIST_0][j][i][1] + 32) >> 6;
}
else
{
p->mv[LIST_0][j][i][0] = 0;
p->mv[LIST_0][j][i][1] = 0;
p->mv[LIST_1][j][i][0] = 0;
p->mv[LIST_1][j][i][1] = 0;
}
}
}
}
}
//! Generate field MVs from Frame MVs
if (img->structure || img->MbaffFrameFlag)
{
for (j = 0; j < fs->size_y / 8; j++)
{
for (i = 0; i < fs->size_x / 4; i++)
{
if (!img->MbaffFrameFlag)
{
tempmv_scale[LIST_0] = 256;
tempmv_scale[LIST_1] = 0;
if (fs->ref_id [LIST_0][j][i] < 0 && listXsize[LIST_0] > 1)
{
fsx = fs1;
loffset = 1;
}
else
{
fsx = fs;
loffset = 0;
}
if (fsx->ref_id [LIST_0][j][i] != -1)
{
for (iref=0;iref<min(img->num_ref_idx_l0_active,listXsize[LIST_0]);iref++)
{
if (enc_picture->ref_pic_num[LIST_0][iref]==fsx->ref_id [LIST_0][j][i])
{
tempmv_scale[LIST_0] = epzs_scale[loffset][LIST_0][iref];
tempmv_scale[LIST_1] = epzs_scale[loffset][LIST_1][iref];
break;
}
}
p->mv[LIST_0][j][i][0] = (tempmv_scale[LIST_0] * fsx->mv[LIST_0][j][i][0] + 32) >> 6;
p->mv[LIST_0][j][i][1] = (tempmv_scale[LIST_0] * fsx->mv[LIST_0][j][i][1] + 32) >> 6;
p->mv[LIST_1][j][i][0] = (tempmv_scale[LIST_1] * fsx->mv[LIST_0][j][i][0] + 32) >> 6;
p->mv[LIST_1][j][i][1] = (tempmv_scale[LIST_1] * fsx->mv[LIST_0][j][i][1] + 32) >> 6;
}
else
{
p->mv[LIST_0][j][i][0] = 0;
p->mv[LIST_0][j][i][1] = 0;
p->mv[LIST_1][j][i][0] = 0;
p->mv[LIST_1][j][i][1] = 0;
}
}
else
{
tempmv_scale[LIST_0] = 256;
tempmv_scale[LIST_1] = 0;
if (fs_bottom->ref_id [LIST_0][j][i] < 0 && listXsize[LIST_0] > 1)
{
fsx = fs_bottom1;
loffset = 1;
}
else
{
fsx = fs_bottom;
loffset = 0;
}
if (fsx->ref_id [LIST_0][j][i] != -1)
{
for (iref=0;iref<min(2*img->num_ref_idx_l0_active,listXsize[LIST_0 + 4]);iref++)
{
if (enc_picture->ref_pic_num[LIST_0 + 4][iref]==fsx->ref_id [LIST_0][j][i])
{
tempmv_scale[LIST_0] = epzs_scale[loffset][LIST_0 + 4][iref];
tempmv_scale[LIST_1] = epzs_scale[loffset][LIST_1 + 4][iref];
break;
}
}
p->bottom_mv[LIST_0][j][i][0] = (tempmv_scale[LIST_0] * fsx->mv[LIST_0][j][i][0] + 32) >> 6;
p->bottom_mv[LIST_0][j][i][1] = (tempmv_scale[LIST_0] * fsx->mv[LIST_0][j][i][1] + 32) >> 6;
p->bottom_mv[LIST_1][j][i][0] = (tempmv_scale[LIST_1] * fsx->mv[LIST_0][j][i][0] + 32) >> 6;
p->bottom_mv[LIST_1][j][i][1] = (tempmv_scale[LIST_1] * fsx->mv[LIST_0][j][i][1] + 32) >> 6;
}
else
{
p->bottom_mv[LIST_0][j][i][0] = 0;
p->bottom_mv[LIST_0][j][i][1] = 0;
p->bottom_mv[LIST_1][j][i][0] = 0;
p->bottom_mv[LIST_1][j][i][1] = 0;
}
if (!fs->field_frame[2 * j][i])
{
p->bottom_mv[LIST_0][j][i][1] = (p->bottom_mv[LIST_0][j][i][1] + 1) >> 1;
p->bottom_mv[LIST_1][j][i][1] = (p->bottom_mv[LIST_1][j][i][1] + 1) >> 1;
}
tempmv_scale[LIST_0] = 256;
tempmv_scale[LIST_1] = 0;
if (fs_top->ref_id [LIST_0][j][i] < 0 && listXsize[LIST_0] > 1)
{
fsx = fs_top1;
loffset = 1;
}
else
{
fsx = fs_top;
loffset = 0;
}
if (fsx->ref_id [LIST_0][j][i] != -1)
{
for (iref=0;iref<min(2*img->num_ref_idx_l0_active,listXsize[LIST_0 + 2]);iref++)
{
if (enc_picture->ref_pic_num[LIST_0 + 2][iref]==fsx->ref_id [LIST_0][j][i])
{
tempmv_scale[LIST_0] = epzs_scale[loffset][LIST_0 + 2][iref];
tempmv_scale[LIST_1] = epzs_scale[loffset][LIST_1 + 2][iref];
break;
}
}
p->top_mv[LIST_0][j][i][0] = (tempmv_scale[LIST_0] * fsx->mv[LIST_0][j][i][0] + 32) >> 6;
p->top_mv[LIST_0][j][i][1] = (tempmv_scale[LIST_0] * fsx->mv[LIST_0][j][i][1] + 32) >> 6;
p->top_mv[LIST_1][j][i][0] = (tempmv_scale[LIST_1] * fsx->mv[LIST_0][j][i][0] + 32) >> 6;
p->top_mv[LIST_1][j][i][1] = (tempmv_scale[LIST_1] * fsx->mv[LIST_0][j][i][1] + 32) >> 6;
}
else
{
p->top_mv[LIST_0][j][i][0] = 0;
p->top_mv[LIST_0][j][i][1] = 0;
p->top_mv[LIST_1][j][i][0] = 0;
p->top_mv[LIST_1][j][i][1] = 0;
}
if (!fs->field_frame[2 * j][i])
{
p->top_mv[LIST_0][j][i][1] = (p->top_mv[LIST_0][j][i][1] + 1) >> 1;
p->top_mv[LIST_1][j][i][1] = (p->top_mv[LIST_1][j][i][1] + 1) >> 1;
}
}
}
}
}
//if (!active_sps->frame_mbs_only_flag || active_sps->direct_8x8_inference_flag)
if (!active_sps->frame_mbs_only_flag )
{
//! Use inference flag to remap mvs/references
//! Frame with field co-located
if (!img->structure)
{
for (j = 0; j < fs->size_y >> 2; j++)
{
jj = j>>1;
jdiv = (j>>1) + ((j>>3) << 2);
for (i = 0; i < fs->size_x >> 2; i++)
{
if (fs->field_frame[j][i])
{
tempmv_scale[LIST_0] = 256;
tempmv_scale[LIST_1] = 0;
if (fs->ref_id [LIST_0][jdiv][i] < 0 && listXsize[LIST_0] > 1)
{
fsx = fs1;
loffset = 1;
}
else
{
fsx = fs;
loffset = 0;
}
if (fsx->ref_id [LIST_0][jdiv][i] != -1)
{
for (iref=0;iref<min(img->num_ref_idx_l0_active,listXsize[LIST_0]);iref++)
{
if (enc_picture->ref_pic_num[LIST_0][iref]==fsx->ref_id [LIST_0][jdiv][i])
{
tempmv_scale[LIST_0] = epzs_scale[loffset][LIST_0][iref];
tempmv_scale[LIST_1] = epzs_scale[loffset][LIST_1][iref];
break;
}
}
if (abs (enc_picture->poc - fsx->bottom_field->poc) > abs (enc_picture->poc - fsx->top_field->poc))
{
p->mv[LIST_0][j][i][0] = (tempmv_scale[LIST_0] * fsx->top_field->mv[LIST_0][jj][i][0] + 32) >> 6;
p->mv[LIST_0][j][i][1] = (tempmv_scale[LIST_0] * fsx->top_field->mv[LIST_0][jj][i][1] + 32) >> 6;
p->mv[LIST_1][j][i][0] = (tempmv_scale[LIST_1] * fsx->top_field->mv[LIST_0][jj][i][0] + 32) >> 6;
p->mv[LIST_1][j][i][1] = (tempmv_scale[LIST_1] * fsx->top_field->mv[LIST_0][jj][i][1] + 32) >> 6;
}
else
{
p->mv[LIST_0][j][i][0] = (tempmv_scale[LIST_0] * fsx->bottom_field->mv[LIST_0][jj][i][0] + 32) >> 6;
p->mv[LIST_0][j][i][1] = (tempmv_scale[LIST_0] * fsx->bottom_field->mv[LIST_0][jj][i][1] + 32) >> 6;
p->mv[LIST_1][j][i][0] = (tempmv_scale[LIST_1] * fsx->bottom_field->mv[LIST_0][jj][i][0] + 32) >> 6;
p->mv[LIST_1][j][i][1] = (tempmv_scale[LIST_1] * fsx->bottom_field->mv[LIST_0][jj][i][1] + 32) >> 6;
}
}
else
{
p->mv[LIST_0][j][i][0] = 0;
p->mv[LIST_0][j][i][1] = 0;
p->mv[LIST_1][j][i][0] = 0;
p->mv[LIST_1][j][i][1] = 0;
}
}
}
}
}
}
if (active_sps->frame_mbs_only_flag)
{
for (j = 0; j < fs->size_y >> 2; j++)
{
for (i = 0; i < fs->size_x >> 2; i++)
{
tempmv_scale[LIST_0] = 256;
tempmv_scale[LIST_1] = 0;
if (fs->ref_id [LIST_0][j][i] < 0 && listXsize[LIST_0] > 1)
{
fsx = fs1;
loffset = 1;
}
else
{
fsx = fs;
loffset = 0;
}
if (fsx->ref_id [LIST_0][j][i] != -1)
{
for (iref=0;iref<min(img->num_ref_idx_l0_active,listXsize[LIST_0]);iref++)
{
if (enc_picture->ref_pic_num[LIST_0][iref]==fsx->ref_id [LIST_0][j][i])
{
tempmv_scale[LIST_0] = epzs_scale[loffset][LIST_0][iref];
tempmv_scale[LIST_1] = epzs_scale[loffset][LIST_1][iref];
break;
}
}
p->mv[LIST_0][j][i][0] = (tempmv_scale[LIST_0] * fsx->mv[LIST_0][j][i][0] + 32) >> 6;
p->mv[LIST_0][j][i][1] = (tempmv_scale[LIST_0] * fsx->mv[LIST_0][j][i][1] + 32) >> 6;
p->mv[LIST_1][j][i][0] = (tempmv_scale[LIST_1] * fsx->mv[LIST_0][j][i][0] + 32) >> 6;
p->mv[LIST_1][j][i][1] = (tempmv_scale[LIST_1] * fsx->mv[LIST_0][j][i][1] + 32) >> 6;
}
else
{
p->mv[LIST_0][j][i][0] = 0;
p->mv[LIST_0][j][i][1] = 0;
p->mv[LIST_1][j][i][0] = 0;
p->mv[LIST_1][j][i][1] = 0;
}
}
}
}
if (!active_sps->frame_mbs_only_flag)
{
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