/*

  * HEVC video decoder

  *
  * Copyright (C) 2012 - 2013 Guillaume Martres
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include "libavutil/pixdesc.h"

 #include "bit_depth_template.c"
 #include "hevcpred.h"
 
 #define POS(x, y) src[(x) + stride * (y)]
 

 static av_always_inline void FUNC(intra_pred)(HEVCContext *s, int x0, int y0,
                                               int log2_size, int c_idx)

 {
 #define PU(x) \

     ((x) >> s->ps.sps->log2_min_pu_size)

 #define MVF(x, y) \

     (s->ref->tab_mvf[(x) + (y) * min_pu_width])

 #define MVF_PU(x, y) \

     MVF(PU(x0 + ((x) * (1 << hshift))), PU(y0 + ((y) * (1 << vshift))))

 #define IS_INTRA(x, y) \

     (MVF_PU(x, y).pred_flag == PF_INTRA)

 #define MIN_TB_ADDR_ZS(x, y) \

     s->ps.pps->min_tb_addr_zs[(y) * (s->ps.sps->tb_mask+2) + (x)]

 #define EXTEND(ptr, val, len)         \
 do {                                  \
     pixel4 pix = PIXEL_SPLAT_X4(val); \
     for (i = 0; i < (len); i += 4)    \
         AV_WN4P(ptr + i, pix);        \
 } while (0)
 

 #define EXTEND_RIGHT_CIP(ptr, start, length)                                   \

         for (i = start; i < (start) + (length); i += 4)                        \

             if (!IS_INTRA(i, -1))                                              \

                 AV_WN4P(&ptr[i], a);                                           \

             else                                                               \
                 a = PIXEL_SPLAT_X4(ptr[i+3])

 #define EXTEND_LEFT_CIP(ptr, start, length) \

         for (i = start; i > (start) - (length); i--) \

             if (!IS_INTRA(i - 1, -1)) \
                 ptr[i - 1] = ptr[i]

 #define EXTEND_UP_CIP(ptr, start, length)                                      \

         for (i = (start); i > (start) - (length); i -= 4)                      \

             if (!IS_INTRA(-1, i - 3))                                          \

                 AV_WN4P(&ptr[i - 3], a);                                       \

             else                                                               \
                 a = PIXEL_SPLAT_X4(ptr[i - 3])

 #define EXTEND_DOWN_CIP(ptr, start, length)                                    \
         for (i = start; i < (start) + (length); i += 4)                        \

             if (!IS_INTRA(-1, i))                                              \

                 AV_WN4P(&ptr[i], a);                                           \

             else                                                               \
                 a = PIXEL_SPLAT_X4(ptr[i + 3])
 

     HEVCLocalContext *lc = s->HEVClc;

     int i;

     int hshift = s->ps.sps->hshift[c_idx];
     int vshift = s->ps.sps->vshift[c_idx];

     int size = (1 << log2_size);

     int size_in_luma_h = size << hshift;

     int size_in_tbs_h  = size_in_luma_h >> s->ps.sps->log2_min_tb_size;

     int size_in_luma_v = size << vshift;

     int size_in_tbs_v  = size_in_luma_v >> s->ps.sps->log2_min_tb_size;

     int x = x0 >> hshift;
     int y = y0 >> vshift;

     int x_tb = (x0 >> s->ps.sps->log2_min_tb_size) & s->ps.sps->tb_mask;
     int y_tb = (y0 >> s->ps.sps->log2_min_tb_size) & s->ps.sps->tb_mask;

     int cur_tb_addr = MIN_TB_ADDR_ZS(x_tb, y_tb);
 
     ptrdiff_t stride = s->frame->linesize[c_idx] / sizeof(pixel);
     pixel *src = (pixel*)s->frame->data[c_idx] + x + y * stride;
 

     int min_pu_width = s->ps.sps->min_pu_width;

     enum IntraPredMode mode = c_idx ? lc->tu.intra_pred_mode_c :
                               lc->tu.intra_pred_mode;

     pixel4 a;

     pixel  left_array[2 * MAX_TB_SIZE + 1];
     pixel  filtered_left_array[2 * MAX_TB_SIZE + 1];
     pixel  top_array[2 * MAX_TB_SIZE + 1];
     pixel  filtered_top_array[2 * MAX_TB_SIZE + 1];

     pixel  *left          = left_array + 1;
     pixel  *top           = top_array  + 1;
     pixel  *filtered_left = filtered_left_array + 1;
     pixel  *filtered_top  = filtered_top_array  + 1;

     int cand_bottom_left = lc->na.cand_bottom_left && cur_tb_addr > MIN_TB_ADDR_ZS( x_tb - 1, (y_tb + size_in_tbs_v) & s->ps.sps->tb_mask);

     int cand_left        = lc->na.cand_left;
     int cand_up_left     = lc->na.cand_up_left;
     int cand_up          = lc->na.cand_up;

     int cand_up_right    = lc->na.cand_up_right    && cur_tb_addr > MIN_TB_ADDR_ZS((x_tb + size_in_tbs_h) & s->ps.sps->tb_mask, y_tb - 1);

     int bottom_left_size = (FFMIN(y0 + 2 * size_in_luma_v, s->ps.sps->height) -

                            (y0 + size_in_luma_v)) >> vshift;

     int top_right_size   = (FFMIN(x0 + 2 * size_in_luma_h, s->ps.sps->width) -

                            (x0 + size_in_luma_h)) >> hshift;

     if (s->ps.pps->constrained_intra_pred_flag == 1) {

         int size_in_luma_pu_v = PU(size_in_luma_v);
         int size_in_luma_pu_h = PU(size_in_luma_h);

         int on_pu_edge_x    = !av_mod_uintp2(x0, s->ps.sps->log2_min_pu_size);
         int on_pu_edge_y    = !av_mod_uintp2(y0, s->ps.sps->log2_min_pu_size);

         if (!size_in_luma_pu_h)
             size_in_luma_pu_h++;

         if (cand_bottom_left == 1 && on_pu_edge_x) {
             int x_left_pu   = PU(x0 - 1);

             int y_bottom_pu = PU(y0 + size_in_luma_v);

             int max = FFMIN(size_in_luma_pu_v, s->ps.sps->min_pu_height - y_bottom_pu);

             cand_bottom_left = 0;

             for (i = 0; i < max; i += 2)

                 cand_bottom_left |= (MVF(x_left_pu, y_bottom_pu + i).pred_flag == PF_INTRA);

         }
         if (cand_left == 1 && on_pu_edge_x) {
             int x_left_pu   = PU(x0 - 1);
             int y_left_pu   = PU(y0);

             int max = FFMIN(size_in_luma_pu_v, s->ps.sps->min_pu_height - y_left_pu);

             cand_left = 0;

             for (i = 0; i < max; i += 2)

                 cand_left |= (MVF(x_left_pu, y_left_pu + i).pred_flag == PF_INTRA);

         }
         if (cand_up_left == 1) {
             int x_left_pu   = PU(x0 - 1);
             int y_top_pu    = PU(y0 - 1);

             cand_up_left = MVF(x_left_pu, y_top_pu).pred_flag == PF_INTRA;

         }
         if (cand_up == 1 && on_pu_edge_y) {
             int x_top_pu    = PU(x0);
             int y_top_pu    = PU(y0 - 1);

             int max = FFMIN(size_in_luma_pu_h, s->ps.sps->min_pu_width - x_top_pu);

             cand_up = 0;

             for (i = 0; i < max; i += 2)

                 cand_up |= (MVF(x_top_pu + i, y_top_pu).pred_flag == PF_INTRA);

         }
         if (cand_up_right == 1 && on_pu_edge_y) {
             int y_top_pu    = PU(y0 - 1);

             int x_right_pu  = PU(x0 + size_in_luma_h);

             int max = FFMIN(size_in_luma_pu_h, s->ps.sps->min_pu_width - x_right_pu);

             cand_up_right = 0;

             for (i = 0; i < max; i += 2)

                 cand_up_right |= (MVF(x_right_pu + i, y_top_pu).pred_flag == PF_INTRA);

         }

         memset(left, 128, 2 * MAX_TB_SIZE*sizeof(pixel));
         memset(top , 128, 2 * MAX_TB_SIZE*sizeof(pixel));

         top[-1] = 128;

     }

     if (cand_up_left) {
         left[-1] = POS(-1, -1);
         top[-1]  = left[-1];

     }
     if (cand_up)

         memcpy(top, src - stride, size * sizeof(pixel));

     if (cand_up_right) {

         memcpy(top + size, src - stride + size, size * sizeof(pixel));
         EXTEND(top + size + top_right_size, POS(size + top_right_size - 1, -1),
                size - top_right_size);

     }
     if (cand_left)
         for (i = 0; i < size; i++)
             left[i] = POS(-1, i);
     if (cand_bottom_left) {

         for (i = size; i < size + bottom_left_size; i++)

             left[i] = POS(-1, i);

         EXTEND(left + size + bottom_left_size, POS(-1, size + bottom_left_size - 1),
                size - bottom_left_size);

     }
 

     if (s->ps.pps->constrained_intra_pred_flag == 1) {

         if (cand_bottom_left || cand_left || cand_up_left || cand_up || cand_up_right) {

             int size_max_x = x0 + ((2 * size) << hshift) < s->ps.sps->width ?
                                     2 * size : (s->ps.sps->width - x0) >> hshift;
             int size_max_y = y0 + ((2 * size) << vshift) < s->ps.sps->height ?
                                     2 * size : (s->ps.sps->height - y0) >> vshift;

             int j = size + (cand_bottom_left? bottom_left_size: 0) -1;

             if (!cand_up_right) {

                 size_max_x = x0 + ((size) << hshift) < s->ps.sps->width ?
                                                     size : (s->ps.sps->width - x0) >> hshift;

             }
             if (!cand_bottom_left) {

                 size_max_y = y0 + (( size) << vshift) < s->ps.sps->height ?
                                                      size : (s->ps.sps->height - y0) >> vshift;

             }

             if (cand_bottom_left || cand_left || cand_up_left) {

                 while (j > -1 && !IS_INTRA(-1, j))
                     j--;

                 if (!IS_INTRA(-1, j)) {
                     j = 0;

                     while (j < size_max_x && !IS_INTRA(j, -1))
                         j++;
                     EXTEND_LEFT_CIP(top, j, j + 1);

                     left[-1] = top[-1];
                 }
             } else {
                 j = 0;

                 while (j < size_max_x && !IS_INTRA(j, -1))
                     j++;

                 if (j > 0)

                     if (x0 > 0) {

                         EXTEND_LEFT_CIP(top, j, j + 1);

                     } else {
                         EXTEND_LEFT_CIP(top, j, j);
                         top[-1] = top[0];
                     }

                 left[-1] = top[-1];
             }

             left[-1] = top[-1];

             if (cand_bottom_left || cand_left) {

                 a = PIXEL_SPLAT_X4(left[-1]);
                 EXTEND_DOWN_CIP(left, 0, size_max_y);

             }

             if (!cand_left)
                 EXTEND(left, left[-1], size);
             if (!cand_bottom_left)
                 EXTEND(left + size, left[size - 1], size);

             if (x0 != 0 && y0 != 0) {

                 a = PIXEL_SPLAT_X4(left[size_max_y - 1]);

                 EXTEND_UP_CIP(left, size_max_y - 1, size_max_y);

                 if (!IS_INTRA(-1, - 1))
                     left[-1] = left[0];

             } else if (x0 == 0) {

                 EXTEND(left, 0, size_max_y);

             } else {

                 a = PIXEL_SPLAT_X4(left[size_max_y - 1]);
                 EXTEND_UP_CIP(left, size_max_y - 1, size_max_y);

             }
             top[-1] = left[-1];
             if (y0 != 0) {

                 a = PIXEL_SPLAT_X4(left[-1]);

                 EXTEND_RIGHT_CIP(top, 0, size_max_x);
             }
         }
     }
     // Infer the unavailable samples
     if (!cand_bottom_left) {
         if (cand_left) {

             EXTEND(left + size, left[size - 1], size);

         } else if (cand_up_left) {

             EXTEND(left, left[-1], 2 * size);

             cand_left = 1;
         } else if (cand_up) {
             left[-1] = top[0];

             EXTEND(left, left[-1], 2 * size);

             cand_up_left = 1;

             cand_left    = 1;

         } else if (cand_up_right) {

             EXTEND(top, top[size], size);

             left[-1] = top[size];

             EXTEND(left, left[-1], 2 * size);

             cand_up      = 1;

             cand_up_left = 1;

             cand_left    = 1;

         } else { // No samples available

             left[-1] = (1 << (BIT_DEPTH - 1));

             EXTEND(top,  left[-1], 2 * size);
             EXTEND(left, left[-1], 2 * size);

         }
     }
 

     if (!cand_left)
         EXTEND(left, left[size], size);

     if (!cand_up_left) {
         left[-1] = left[0];
     }

     if (!cand_up)
         EXTEND(top, left[-1], size);
     if (!cand_up_right)
         EXTEND(top + size, top[size - 1], size);

 
     top[-1] = left[-1];
 
     // Filtering process

     if (!s->ps.sps->intra_smoothing_disabled_flag && (c_idx == 0  || s->ps.sps->chroma_format_idc == 3)) {

         if (mode != INTRA_DC && size != 4){
             int intra_hor_ver_dist_thresh[] = { 7, 1, 0 };
             int min_dist_vert_hor = FFMIN(FFABS((int)(mode - 26U)),
                                           FFABS((int)(mode - 10U)));
             if (min_dist_vert_hor > intra_hor_ver_dist_thresh[log2_size - 3]) {
                 int threshold = 1 << (BIT_DEPTH - 5);

                 if (s->ps.sps->sps_strong_intra_smoothing_enable_flag && c_idx == 0 &&

                     log2_size == 5 &&
                     FFABS(top[-1]  + top[63]  - 2 * top[31])  < threshold &&
                     FFABS(left[-1] + left[63] - 2 * left[31]) < threshold) {
                     // We can't just overwrite values in top because it could be
                     // a pointer into src
                     filtered_top[-1] = top[-1];
                     filtered_top[63] = top[63];
                     for (i = 0; i < 63; i++)
                         filtered_top[i] = ((64 - (i + 1)) * top[-1] +
                                            (i + 1)  * top[63] + 32) >> 6;
                     for (i = 0; i < 63; i++)
                         left[i] = ((64 - (i + 1)) * left[-1] +
                                    (i + 1)  * left[63] + 32) >> 6;
                     top = filtered_top;
                 } else {
                     filtered_left[2 * size - 1] = left[2 * size - 1];
                     filtered_top[2 * size - 1]  = top[2 * size - 1];
                     for (i = 2 * size - 2; i >= 0; i--)
                         filtered_left[i] = (left[i + 1] + 2 * left[i] +
                                             left[i - 1] + 2) >> 2;
                     filtered_top[-1]  =
                     filtered_left[-1] = (left[0] + 2 * left[-1] + top[0] + 2) >> 2;
                     for (i = 2 * size - 2; i >= 0; i--)
                         filtered_top[i] = (top[i + 1] + 2 * top[i] +
                                            top[i - 1] + 2) >> 2;
                     left = filtered_left;
                     top  = filtered_top;
                 }

             }
         }
     }
 
     switch (mode) {
     case INTRA_PLANAR:

         s->hpc.pred_planar[log2_size - 2]((uint8_t *)src, (uint8_t *)top,
                                           (uint8_t *)left, stride);

         break;
     case INTRA_DC:

         s->hpc.pred_dc((uint8_t *)src, (uint8_t *)top,
                        (uint8_t *)left, stride, log2_size, c_idx);

         break;
     default:

         s->hpc.pred_angular[log2_size - 2]((uint8_t *)src, (uint8_t *)top,
                                            (uint8_t *)left, stride, c_idx,
                                            mode);

         break;
     }
 }
 

 #define INTRA_PRED(size)                                                            \
 static void FUNC(intra_pred_ ## size)(HEVCContext *s, int x0, int y0, int c_idx)    \
 {                                                                                   \
     FUNC(intra_pred)(s, x0, y0, size, c_idx);                                       \
 }
 
 INTRA_PRED(2)
 INTRA_PRED(3)
 INTRA_PRED(4)
 INTRA_PRED(5)
 
 #undef INTRA_PRED
 

 static av_always_inline void FUNC(pred_planar)(uint8_t *_src, const uint8_t *_top,

                                   const uint8_t *_left, ptrdiff_t stride,
                                   int trafo_size)

 {
     int x, y;

     pixel *src        = (pixel *)_src;
     const pixel *top  = (const pixel *)_top;
     const pixel *left = (const pixel *)_left;

     int size = 1 << trafo_size;
     for (y = 0; y < size; y++)
         for (x = 0; x < size; x++)
             POS(x, y) = ((size - 1 - x) * left[y] + (x + 1) * top[size]  +
                          (size - 1 - y) * top[x]  + (y + 1) * left[size] + size) >> (trafo_size + 1);
 }
 

 #define PRED_PLANAR(size)\
 static void FUNC(pred_planar_ ## size)(uint8_t *src, const uint8_t *top,        \
                                        const uint8_t *left, ptrdiff_t stride)   \
 {                                                                               \
     FUNC(pred_planar)(src, top, left, stride, size + 2);                        \

 }
 

 PRED_PLANAR(0)
 PRED_PLANAR(1)
 PRED_PLANAR(2)
 PRED_PLANAR(3)

 #undef PRED_PLANAR

 
 static void FUNC(pred_dc)(uint8_t *_src, const uint8_t *_top,
                           const uint8_t *_left,
                           ptrdiff_t stride, int log2_size, int c_idx)
 {
     int i, j, x, y;

     int size          = (1 << log2_size);
     pixel *src        = (pixel *)_src;
     const pixel *top  = (const pixel *)_top;
     const pixel *left = (const pixel *)_left;
     int dc            = size;

     pixel4 a;
     for (i = 0; i < size; i++)
         dc += left[i] + top[i];
 
     dc >>= log2_size + 1;
 
     a = PIXEL_SPLAT_X4(dc);
 
     for (i = 0; i < size; i++)

         for (j = 0; j < size; j+=4)
             AV_WN4P(&POS(j, i), a);

 
     if (c_idx == 0 && size < 32) {

         POS(0, 0) = (left[0] + 2 * dc + top[0] + 2) >> 2;

         for (x = 1; x < size; x++)
             POS(x, 0) = (top[x] + 3 * dc + 2) >> 2;
         for (y = 1; y < size; y++)
             POS(0, y) = (left[y] + 3 * dc + 2) >> 2;
     }
 }
 
 static av_always_inline void FUNC(pred_angular)(uint8_t *_src,
                                                 const uint8_t *_top,
                                                 const uint8_t *_left,
                                                 ptrdiff_t stride, int c_idx,
                                                 int mode, int size)
 {
     int x, y;

     pixel *src        = (pixel *)_src;
     const pixel *top  = (const pixel *)_top;
     const pixel *left = (const pixel *)_left;

 
     static const int intra_pred_angle[] = {

          32,  26,  21,  17, 13,  9,  5, 2, 0, -2, -5, -9, -13, -17, -21, -26, -32,
         -26, -21, -17, -13, -9, -5, -2, 0, 2,  5,  9, 13,  17,  21,  26,  32

     };
     static const int inv_angle[] = {
         -4096, -1638, -910, -630, -482, -390, -315, -256, -315, -390, -482,
         -630, -910, -1638, -4096
     };
 
     int angle = intra_pred_angle[mode - 2];

     pixel ref_array[3 * MAX_TB_SIZE + 4];

     pixel *ref_tmp = ref_array + size;
     const pixel *ref;
     int last = (size * angle) >> 5;
 
     if (mode >= 18) {
         ref = top - 1;
         if (angle < 0 && last < -1) {

             for (x = 0; x <= size; x += 4)
                 AV_WN4P(&ref_tmp[x], AV_RN4P(&top[x - 1]));

             for (x = last; x <= -1; x++)

                 ref_tmp[x] = left[-1 + ((x * inv_angle[mode - 11] + 128) >> 8)];

             ref = ref_tmp;
         }
 
         for (y = 0; y < size; y++) {
             int idx  = ((y + 1) * angle) >> 5;
             int fact = ((y + 1) * angle) & 31;
             if (fact) {

                 for (x = 0; x < size; x += 4) {

                     POS(x    , y) = ((32 - fact) * ref[x + idx + 1] +
                                            fact  * ref[x + idx + 2] + 16) >> 5;

                     POS(x + 1, y) = ((32 - fact) * ref[x + 1 + idx + 1] +

                                            fact  * ref[x + 1 + idx + 2] + 16) >> 5;

                     POS(x + 2, y) = ((32 - fact) * ref[x + 2 + idx + 1] +

                                            fact  * ref[x + 2 + idx + 2] + 16) >> 5;

                     POS(x + 3, y) = ((32 - fact) * ref[x + 3 + idx + 1] +

                                            fact  * ref[x + 3 + idx + 2] + 16) >> 5;

                 }
             } else {

                 for (x = 0; x < size; x += 4)
                     AV_WN4P(&POS(x, y), AV_RN4P(&ref[x + idx + 1]));

             }
         }
         if (mode == 26 && c_idx == 0 && size < 32) {
             for (y = 0; y < size; y++)
                 POS(0, y) = av_clip_pixel(top[0] + ((left[y] - left[-1]) >> 1));
         }
     } else {
         ref = left - 1;
         if (angle < 0 && last < -1) {

             for (x = 0; x <= size; x += 4)
                 AV_WN4P(&ref_tmp[x], AV_RN4P(&left[x - 1]));

             for (x = last; x <= -1; x++)

                 ref_tmp[x] = top[-1 + ((x * inv_angle[mode - 11] + 128) >> 8)];

             ref = ref_tmp;
         }
 
         for (x = 0; x < size; x++) {
             int idx  = ((x + 1) * angle) >> 5;
             int fact = ((x + 1) * angle) & 31;
             if (fact) {
                 for (y = 0; y < size; y++) {
                     POS(x, y) = ((32 - fact) * ref[y + idx + 1] +
                                        fact  * ref[y + idx + 2] + 16) >> 5;
                 }
             } else {

                 for (y = 0; y < size; y++)

                     POS(x, y) = ref[y + idx + 1];
             }
         }
         if (mode == 10 && c_idx == 0 && size < 32) {

             for (x = 0; x < size; x += 4) {

                 POS(x,     0) = av_clip_pixel(left[0] + ((top[x    ] - top[-1]) >> 1));
                 POS(x + 1, 0) = av_clip_pixel(left[0] + ((top[x + 1] - top[-1]) >> 1));
                 POS(x + 2, 0) = av_clip_pixel(left[0] + ((top[x + 2] - top[-1]) >> 1));
                 POS(x + 3, 0) = av_clip_pixel(left[0] + ((top[x + 3] - top[-1]) >> 1));

             }

         }
     }
 }
 
 static void FUNC(pred_angular_0)(uint8_t *src, const uint8_t *top,
                                  const uint8_t *left,
                                  ptrdiff_t stride, int c_idx, int mode)
 {
     FUNC(pred_angular)(src, top, left, stride, c_idx, mode, 1 << 2);
 }
 
 static void FUNC(pred_angular_1)(uint8_t *src, const uint8_t *top,
                                  const uint8_t *left,
                                  ptrdiff_t stride, int c_idx, int mode)
 {
     FUNC(pred_angular)(src, top, left, stride, c_idx, mode, 1 << 3);
 }
 
 static void FUNC(pred_angular_2)(uint8_t *src, const uint8_t *top,
                                  const uint8_t *left,
                                  ptrdiff_t stride, int c_idx, int mode)
 {
     FUNC(pred_angular)(src, top, left, stride, c_idx, mode, 1 << 4);
 }
 
 static void FUNC(pred_angular_3)(uint8_t *src, const uint8_t *top,
                                  const uint8_t *left,
                                  ptrdiff_t stride, int c_idx, int mode)
 {
     FUNC(pred_angular)(src, top, left, stride, c_idx, mode, 1 << 5);
 }

 #undef EXTEND_LEFT_CIP
 #undef EXTEND_RIGHT_CIP
 #undef EXTEND_UP_CIP
 #undef EXTEND_DOWN_CIP
 #undef IS_INTRA
 #undef MVF_PU
 #undef MVF
 #undef PU

 #undef EXTEND

 #undef MIN_TB_ADDR_ZS

 #undef POS