| /* | |
| * 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)(HEVCLocalContext *lc, 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]) | |
| const HEVCContext *const s = lc->parent; | |
| 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 spin = c_idx && !size_in_tbs_v && ((2 * y0) & (1 << s->ps.sps->log2_min_tb_size)); | |
| 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 + spin) & 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 && !spin && 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) { | |
| 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)(HEVCLocalContext *lc, int x0, int y0, int c_idx) \ | |
| { \ | |
| FUNC(intra_pred)(lc, 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 |