| /* |
| * Copyright (c) 2010 The WebM project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #include "./vpx_config.h" |
| #include "./vpx_dsp_rtcd.h" |
| |
| #if CONFIG_VP9_HIGHBITDEPTH |
| #include "vpx_dsp/vpx_dsp_common.h" |
| #endif // CONFIG_VP9_HIGHBITDEPTH |
| #include "vpx_mem/vpx_mem.h" |
| #include "vpx_ports/mem.h" |
| #include "vpx_ports/vpx_once.h" |
| |
| #include "vp9/common/vp9_reconintra.h" |
| #include "vp9/common/vp9_onyxc_int.h" |
| |
| const TX_TYPE intra_mode_to_tx_type_lookup[INTRA_MODES] = { |
| DCT_DCT, // DC |
| ADST_DCT, // V |
| DCT_ADST, // H |
| DCT_DCT, // D45 |
| ADST_ADST, // D135 |
| ADST_DCT, // D117 |
| DCT_ADST, // D153 |
| DCT_ADST, // D207 |
| ADST_DCT, // D63 |
| ADST_ADST, // TM |
| }; |
| |
| enum { |
| NEED_LEFT = 1 << 1, |
| NEED_ABOVE = 1 << 2, |
| NEED_ABOVERIGHT = 1 << 3, |
| }; |
| |
| static const uint8_t extend_modes[INTRA_MODES] = { |
| NEED_ABOVE | NEED_LEFT, // DC |
| NEED_ABOVE, // V |
| NEED_LEFT, // H |
| NEED_ABOVERIGHT, // D45 |
| NEED_LEFT | NEED_ABOVE, // D135 |
| NEED_LEFT | NEED_ABOVE, // D117 |
| NEED_LEFT | NEED_ABOVE, // D153 |
| NEED_LEFT, // D207 |
| NEED_ABOVERIGHT, // D63 |
| NEED_LEFT | NEED_ABOVE, // TM |
| }; |
| |
| typedef void (*intra_pred_fn)(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left); |
| |
| static intra_pred_fn pred[INTRA_MODES][TX_SIZES]; |
| static intra_pred_fn dc_pred[2][2][TX_SIZES]; |
| |
| #if CONFIG_VP9_HIGHBITDEPTH |
| typedef void (*intra_high_pred_fn)(uint16_t *dst, ptrdiff_t stride, |
| const uint16_t *above, const uint16_t *left, |
| int bd); |
| static intra_high_pred_fn pred_high[INTRA_MODES][4]; |
| static intra_high_pred_fn dc_pred_high[2][2][4]; |
| #endif // CONFIG_VP9_HIGHBITDEPTH |
| |
| static void vp9_init_intra_predictors_internal(void) { |
| #define INIT_ALL_SIZES(p, type) \ |
| p[TX_4X4] = vpx_##type##_predictor_4x4; \ |
| p[TX_8X8] = vpx_##type##_predictor_8x8; \ |
| p[TX_16X16] = vpx_##type##_predictor_16x16; \ |
| p[TX_32X32] = vpx_##type##_predictor_32x32 |
| |
| INIT_ALL_SIZES(pred[V_PRED], v); |
| INIT_ALL_SIZES(pred[H_PRED], h); |
| INIT_ALL_SIZES(pred[D207_PRED], d207); |
| INIT_ALL_SIZES(pred[D45_PRED], d45); |
| INIT_ALL_SIZES(pred[D63_PRED], d63); |
| INIT_ALL_SIZES(pred[D117_PRED], d117); |
| INIT_ALL_SIZES(pred[D135_PRED], d135); |
| INIT_ALL_SIZES(pred[D153_PRED], d153); |
| INIT_ALL_SIZES(pred[TM_PRED], tm); |
| |
| INIT_ALL_SIZES(dc_pred[0][0], dc_128); |
| INIT_ALL_SIZES(dc_pred[0][1], dc_top); |
| INIT_ALL_SIZES(dc_pred[1][0], dc_left); |
| INIT_ALL_SIZES(dc_pred[1][1], dc); |
| |
| #if CONFIG_VP9_HIGHBITDEPTH |
| INIT_ALL_SIZES(pred_high[V_PRED], highbd_v); |
| INIT_ALL_SIZES(pred_high[H_PRED], highbd_h); |
| INIT_ALL_SIZES(pred_high[D207_PRED], highbd_d207); |
| INIT_ALL_SIZES(pred_high[D45_PRED], highbd_d45); |
| INIT_ALL_SIZES(pred_high[D63_PRED], highbd_d63); |
| INIT_ALL_SIZES(pred_high[D117_PRED], highbd_d117); |
| INIT_ALL_SIZES(pred_high[D135_PRED], highbd_d135); |
| INIT_ALL_SIZES(pred_high[D153_PRED], highbd_d153); |
| INIT_ALL_SIZES(pred_high[TM_PRED], highbd_tm); |
| |
| INIT_ALL_SIZES(dc_pred_high[0][0], highbd_dc_128); |
| INIT_ALL_SIZES(dc_pred_high[0][1], highbd_dc_top); |
| INIT_ALL_SIZES(dc_pred_high[1][0], highbd_dc_left); |
| INIT_ALL_SIZES(dc_pred_high[1][1], highbd_dc); |
| #endif // CONFIG_VP9_HIGHBITDEPTH |
| |
| #undef intra_pred_allsizes |
| } |
| |
| #if CONFIG_VP9_HIGHBITDEPTH |
| static void build_intra_predictors_high(const MACROBLOCKD *xd, |
| const uint8_t *ref8, |
| int ref_stride, |
| uint8_t *dst8, |
| int dst_stride, |
| PREDICTION_MODE mode, |
| TX_SIZE tx_size, |
| int up_available, |
| int left_available, |
| int right_available, |
| int x, int y, |
| int plane, int bd) { |
| int i; |
| uint16_t *dst = CONVERT_TO_SHORTPTR(dst8); |
| uint16_t *ref = CONVERT_TO_SHORTPTR(ref8); |
| DECLARE_ALIGNED(16, uint16_t, left_col[32]); |
| DECLARE_ALIGNED(16, uint16_t, above_data[64 + 16]); |
| uint16_t *above_row = above_data + 16; |
| const uint16_t *const_above_row = above_row; |
| const int bs = 4 << tx_size; |
| int frame_width, frame_height; |
| int x0, y0; |
| const struct macroblockd_plane *const pd = &xd->plane[plane]; |
| const int need_left = extend_modes[mode] & NEED_LEFT; |
| const int need_above = extend_modes[mode] & NEED_ABOVE; |
| const int need_aboveright = extend_modes[mode] & NEED_ABOVERIGHT; |
| int base = 128 << (bd - 8); |
| // 127 127 127 .. 127 127 127 127 127 127 |
| // 129 A B .. Y Z |
| // 129 C D .. W X |
| // 129 E F .. U V |
| // 129 G H .. S T T T T T |
| // For 10 bit and 12 bit, 127 and 129 are replaced by base -1 and base + 1. |
| |
| // Get current frame pointer, width and height. |
| if (plane == 0) { |
| frame_width = xd->cur_buf->y_width; |
| frame_height = xd->cur_buf->y_height; |
| } else { |
| frame_width = xd->cur_buf->uv_width; |
| frame_height = xd->cur_buf->uv_height; |
| } |
| |
| // Get block position in current frame. |
| x0 = (-xd->mb_to_left_edge >> (3 + pd->subsampling_x)) + x; |
| y0 = (-xd->mb_to_top_edge >> (3 + pd->subsampling_y)) + y; |
| |
| // NEED_LEFT |
| if (need_left) { |
| if (left_available) { |
| if (xd->mb_to_bottom_edge < 0) { |
| /* slower path if the block needs border extension */ |
| if (y0 + bs <= frame_height) { |
| for (i = 0; i < bs; ++i) |
| left_col[i] = ref[i * ref_stride - 1]; |
| } else { |
| const int extend_bottom = frame_height - y0; |
| for (i = 0; i < extend_bottom; ++i) |
| left_col[i] = ref[i * ref_stride - 1]; |
| for (; i < bs; ++i) |
| left_col[i] = ref[(extend_bottom - 1) * ref_stride - 1]; |
| } |
| } else { |
| /* faster path if the block does not need extension */ |
| for (i = 0; i < bs; ++i) |
| left_col[i] = ref[i * ref_stride - 1]; |
| } |
| } else { |
| vpx_memset16(left_col, base + 1, bs); |
| } |
| } |
| |
| // NEED_ABOVE |
| if (need_above) { |
| if (up_available) { |
| const uint16_t *above_ref = ref - ref_stride; |
| if (xd->mb_to_right_edge < 0) { |
| /* slower path if the block needs border extension */ |
| if (x0 + bs <= frame_width) { |
| memcpy(above_row, above_ref, bs * sizeof(above_row[0])); |
| } else if (x0 <= frame_width) { |
| const int r = frame_width - x0; |
| memcpy(above_row, above_ref, r * sizeof(above_row[0])); |
| vpx_memset16(above_row + r, above_row[r - 1], x0 + bs - frame_width); |
| } |
| } else { |
| /* faster path if the block does not need extension */ |
| if (bs == 4 && right_available && left_available) { |
| const_above_row = above_ref; |
| } else { |
| memcpy(above_row, above_ref, bs * sizeof(above_row[0])); |
| } |
| } |
| above_row[-1] = left_available ? above_ref[-1] : (base + 1); |
| } else { |
| vpx_memset16(above_row, base - 1, bs); |
| above_row[-1] = base - 1; |
| } |
| } |
| |
| // NEED_ABOVERIGHT |
| if (need_aboveright) { |
| if (up_available) { |
| const uint16_t *above_ref = ref - ref_stride; |
| if (xd->mb_to_right_edge < 0) { |
| /* slower path if the block needs border extension */ |
| if (x0 + 2 * bs <= frame_width) { |
| if (right_available && bs == 4) { |
| memcpy(above_row, above_ref, 2 * bs * sizeof(above_row[0])); |
| } else { |
| memcpy(above_row, above_ref, bs * sizeof(above_row[0])); |
| vpx_memset16(above_row + bs, above_row[bs - 1], bs); |
| } |
| } else if (x0 + bs <= frame_width) { |
| const int r = frame_width - x0; |
| if (right_available && bs == 4) { |
| memcpy(above_row, above_ref, r * sizeof(above_row[0])); |
| vpx_memset16(above_row + r, above_row[r - 1], |
| x0 + 2 * bs - frame_width); |
| } else { |
| memcpy(above_row, above_ref, bs * sizeof(above_row[0])); |
| vpx_memset16(above_row + bs, above_row[bs - 1], bs); |
| } |
| } else if (x0 <= frame_width) { |
| const int r = frame_width - x0; |
| memcpy(above_row, above_ref, r * sizeof(above_row[0])); |
| vpx_memset16(above_row + r, above_row[r - 1], |
| x0 + 2 * bs - frame_width); |
| } |
| above_row[-1] = left_available ? above_ref[-1] : (base + 1); |
| } else { |
| /* faster path if the block does not need extension */ |
| if (bs == 4 && right_available && left_available) { |
| const_above_row = above_ref; |
| } else { |
| memcpy(above_row, above_ref, bs * sizeof(above_row[0])); |
| if (bs == 4 && right_available) |
| memcpy(above_row + bs, above_ref + bs, bs * sizeof(above_row[0])); |
| else |
| vpx_memset16(above_row + bs, above_row[bs - 1], bs); |
| above_row[-1] = left_available ? above_ref[-1] : (base + 1); |
| } |
| } |
| } else { |
| vpx_memset16(above_row, base - 1, bs * 2); |
| above_row[-1] = base - 1; |
| } |
| } |
| |
| // predict |
| if (mode == DC_PRED) { |
| dc_pred_high[left_available][up_available][tx_size](dst, dst_stride, |
| const_above_row, |
| left_col, xd->bd); |
| } else { |
| pred_high[mode][tx_size](dst, dst_stride, const_above_row, left_col, |
| xd->bd); |
| } |
| } |
| #endif // CONFIG_VP9_HIGHBITDEPTH |
| |
| static void build_intra_predictors(const MACROBLOCKD *xd, const uint8_t *ref, |
| int ref_stride, uint8_t *dst, int dst_stride, |
| PREDICTION_MODE mode, TX_SIZE tx_size, |
| int up_available, int left_available, |
| int right_available, int x, int y, |
| int plane) { |
| int i; |
| DECLARE_ALIGNED(16, uint8_t, left_col[32]); |
| DECLARE_ALIGNED(16, uint8_t, above_data[64 + 16]); |
| uint8_t *above_row = above_data + 16; |
| const uint8_t *const_above_row = above_row; |
| const int bs = 4 << tx_size; |
| int frame_width, frame_height; |
| int x0, y0; |
| const struct macroblockd_plane *const pd = &xd->plane[plane]; |
| |
| // 127 127 127 .. 127 127 127 127 127 127 |
| // 129 A B .. Y Z |
| // 129 C D .. W X |
| // 129 E F .. U V |
| // 129 G H .. S T T T T T |
| // .. |
| |
| // Get current frame pointer, width and height. |
| if (plane == 0) { |
| frame_width = xd->cur_buf->y_width; |
| frame_height = xd->cur_buf->y_height; |
| } else { |
| frame_width = xd->cur_buf->uv_width; |
| frame_height = xd->cur_buf->uv_height; |
| } |
| |
| // Get block position in current frame. |
| x0 = (-xd->mb_to_left_edge >> (3 + pd->subsampling_x)) + x; |
| y0 = (-xd->mb_to_top_edge >> (3 + pd->subsampling_y)) + y; |
| |
| // NEED_LEFT |
| if (extend_modes[mode] & NEED_LEFT) { |
| if (left_available) { |
| if (xd->mb_to_bottom_edge < 0) { |
| /* slower path if the block needs border extension */ |
| if (y0 + bs <= frame_height) { |
| for (i = 0; i < bs; ++i) |
| left_col[i] = ref[i * ref_stride - 1]; |
| } else { |
| const int extend_bottom = frame_height - y0; |
| for (i = 0; i < extend_bottom; ++i) |
| left_col[i] = ref[i * ref_stride - 1]; |
| for (; i < bs; ++i) |
| left_col[i] = ref[(extend_bottom - 1) * ref_stride - 1]; |
| } |
| } else { |
| /* faster path if the block does not need extension */ |
| for (i = 0; i < bs; ++i) |
| left_col[i] = ref[i * ref_stride - 1]; |
| } |
| } else { |
| memset(left_col, 129, bs); |
| } |
| } |
| |
| // NEED_ABOVE |
| if (extend_modes[mode] & NEED_ABOVE) { |
| if (up_available) { |
| const uint8_t *above_ref = ref - ref_stride; |
| if (xd->mb_to_right_edge < 0) { |
| /* slower path if the block needs border extension */ |
| if (x0 + bs <= frame_width) { |
| memcpy(above_row, above_ref, bs); |
| } else if (x0 <= frame_width) { |
| const int r = frame_width - x0; |
| memcpy(above_row, above_ref, r); |
| memset(above_row + r, above_row[r - 1], x0 + bs - frame_width); |
| } |
| } else { |
| /* faster path if the block does not need extension */ |
| if (bs == 4 && right_available && left_available) { |
| const_above_row = above_ref; |
| } else { |
| memcpy(above_row, above_ref, bs); |
| } |
| } |
| above_row[-1] = left_available ? above_ref[-1] : 129; |
| } else { |
| memset(above_row, 127, bs); |
| above_row[-1] = 127; |
| } |
| } |
| |
| // NEED_ABOVERIGHT |
| if (extend_modes[mode] & NEED_ABOVERIGHT) { |
| if (up_available) { |
| const uint8_t *above_ref = ref - ref_stride; |
| if (xd->mb_to_right_edge < 0) { |
| /* slower path if the block needs border extension */ |
| if (x0 + 2 * bs <= frame_width) { |
| if (right_available && bs == 4) { |
| memcpy(above_row, above_ref, 2 * bs); |
| } else { |
| memcpy(above_row, above_ref, bs); |
| memset(above_row + bs, above_row[bs - 1], bs); |
| } |
| } else if (x0 + bs <= frame_width) { |
| const int r = frame_width - x0; |
| if (right_available && bs == 4) { |
| memcpy(above_row, above_ref, r); |
| memset(above_row + r, above_row[r - 1], x0 + 2 * bs - frame_width); |
| } else { |
| memcpy(above_row, above_ref, bs); |
| memset(above_row + bs, above_row[bs - 1], bs); |
| } |
| } else if (x0 <= frame_width) { |
| const int r = frame_width - x0; |
| memcpy(above_row, above_ref, r); |
| memset(above_row + r, above_row[r - 1], x0 + 2 * bs - frame_width); |
| } |
| } else { |
| /* faster path if the block does not need extension */ |
| if (bs == 4 && right_available && left_available) { |
| const_above_row = above_ref; |
| } else { |
| memcpy(above_row, above_ref, bs); |
| if (bs == 4 && right_available) |
| memcpy(above_row + bs, above_ref + bs, bs); |
| else |
| memset(above_row + bs, above_row[bs - 1], bs); |
| } |
| } |
| above_row[-1] = left_available ? above_ref[-1] : 129; |
| } else { |
| memset(above_row, 127, bs * 2); |
| above_row[-1] = 127; |
| } |
| } |
| |
| // predict |
| if (mode == DC_PRED) { |
| dc_pred[left_available][up_available][tx_size](dst, dst_stride, |
| const_above_row, left_col); |
| } else { |
| pred[mode][tx_size](dst, dst_stride, const_above_row, left_col); |
| } |
| } |
| |
| void vp9_predict_intra_block(const MACROBLOCKD *xd, int bwl_in, |
| TX_SIZE tx_size, PREDICTION_MODE mode, |
| const uint8_t *ref, int ref_stride, |
| uint8_t *dst, int dst_stride, |
| int aoff, int loff, int plane) { |
| const int bw = (1 << bwl_in); |
| const int txw = (1 << tx_size); |
| const int have_top = loff || (xd->above_mi != NULL); |
| const int have_left = aoff || (xd->left_mi != NULL); |
| const int have_right = (aoff + txw) < bw; |
| const int x = aoff * 4; |
| const int y = loff * 4; |
| |
| #if CONFIG_VP9_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| build_intra_predictors_high(xd, ref, ref_stride, dst, dst_stride, mode, |
| tx_size, have_top, have_left, have_right, |
| x, y, plane, xd->bd); |
| return; |
| } |
| #endif |
| build_intra_predictors(xd, ref, ref_stride, dst, dst_stride, mode, tx_size, |
| have_top, have_left, have_right, x, y, plane); |
| } |
| |
| void vp9_init_intra_predictors(void) { |
| once(vp9_init_intra_predictors_internal); |
| } |
