|  | /* | 
|  | * Copyright (c) 2021, Alliance for Open Media. All rights reserved | 
|  | * | 
|  | * This source code is subject to the terms of the BSD 3-Clause Clear License | 
|  | * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear | 
|  | * License was not distributed with this source code in the LICENSE file, you | 
|  | * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/.  If the | 
|  | * Alliance for Open Media Patent License 1.0 was not distributed with this | 
|  | * source code in the PATENTS file, you can obtain it at | 
|  | * aomedia.org/license/patent-license/. | 
|  | */ | 
|  |  | 
|  | #ifndef AOM_AV1_COMMON_RECONINTRA_H_ | 
|  | #define AOM_AV1_COMMON_RECONINTRA_H_ | 
|  |  | 
|  | #include <stdlib.h> | 
|  |  | 
|  | #include "aom/aom_integer.h" | 
|  | #include "av1/common/av1_common_int.h" | 
|  | #include "av1/common/blockd.h" | 
|  |  | 
|  | #ifdef __cplusplus | 
|  | extern "C" { | 
|  | #endif | 
|  |  | 
|  | #if CONFIG_AIMC | 
|  | /*! \brief set the luma intra mode and delta angles for a given mode index. | 
|  | * \param[in]    mode_idx           mode index in intra mode decision | 
|  | *                                  process. | 
|  | * \param[in]    mbmi               Pointer to structure holding | 
|  | *                                  the mode info for the current macroblock. | 
|  | */ | 
|  | void set_y_mode_and_delta_angle(const int mode_idx, MB_MODE_INFO *const mbmi); | 
|  | int get_y_mode_idx_ctx(MACROBLOCKD *const xd); | 
|  | void get_y_intra_mode_set(MB_MODE_INFO *mi, MACROBLOCKD *const xd); | 
|  | void get_uv_intra_mode_set(MB_MODE_INFO *mi); | 
|  | static const PREDICTION_MODE reordered_y_mode[INTRA_MODES] = { | 
|  | DC_PRED,   SMOOTH_PRED, SMOOTH_V_PRED, SMOOTH_H_PRED, PAETH_PRED, | 
|  | D45_PRED,  D67_PRED,    V_PRED,        D113_PRED,     D135_PRED, | 
|  | D157_PRED, H_PRED,      D203_PRED | 
|  | }; | 
|  | static const int | 
|  | default_mode_list_y[LUMA_MODE_COUNT - NON_DIRECTIONAL_MODES_COUNT] = { | 
|  | 17, 45, 3, 10, 24, 31, 38, 52, | 
|  | //  (-2, +2) | 
|  | 15, 19, 43, 47, 1, 5, 8, 12, 22, 26, 29, 33, 36, 40, 50, 54, | 
|  | //  (-1, +1) | 
|  | 16, 18, 44, 46, 2, 4, 9, 11, 23, 25, 30, 32, 37, 39, 51, 53, | 
|  | //  (-3, +3) | 
|  | 14, 20, 42, 48, 0, 6, 7, 13, 21, 27, 28, 34, 35, 41, 49, 55 | 
|  | }; | 
|  | static const int default_mode_list_uv[DIR_MODE_END - DIR_MODE_START] = { | 
|  | UV_V_PRED,   UV_H_PRED,    UV_D45_PRED,  UV_D135_PRED, | 
|  | UV_D67_PRED, UV_D113_PRED, UV_D157_PRED, UV_D203_PRED | 
|  | }; | 
|  | #endif  // CONFIG_AIMC | 
|  |  | 
|  | void av1_init_intra_predictors(void); | 
|  | void av1_predict_intra_block_facade(const AV1_COMMON *cm, MACROBLOCKD *xd, | 
|  | int plane, int blk_col, int blk_row, | 
|  | TX_SIZE tx_size); | 
|  | void av1_predict_intra_block( | 
|  | const AV1_COMMON *cm, const MACROBLOCKD *xd, int wpx, int hpx, | 
|  | TX_SIZE tx_size, PREDICTION_MODE mode, int angle_delta, int use_palette, | 
|  | FILTER_INTRA_MODE filter_intra_mode, const uint8_t *ref, int ref_stride, | 
|  | uint8_t *dst, int dst_stride, int col_off, int row_off, int plane); | 
|  |  | 
|  | #if CONFIG_ORIP | 
|  | void av1_apply_orip_4x4subblock_hbd(uint16_t *dst, ptrdiff_t stride, | 
|  | TX_SIZE tx_size, const uint16_t *above, | 
|  | const uint16_t *left, PREDICTION_MODE mode, | 
|  | int bd); | 
|  | void av1_apply_orip_4x4subblock(uint8_t *dst, ptrdiff_t stride, TX_SIZE tx_size, | 
|  | const uint8_t *above, const uint8_t *left, | 
|  | PREDICTION_MODE mode); | 
|  | #endif | 
|  |  | 
|  | // Mapping of interintra to intra mode for use in the intra component | 
|  | static const PREDICTION_MODE interintra_to_intra_mode[INTERINTRA_MODES] = { | 
|  | DC_PRED, V_PRED, H_PRED, SMOOTH_PRED | 
|  | }; | 
|  |  | 
|  | // Mapping of intra mode to the interintra mode | 
|  | static const INTERINTRA_MODE intra_to_interintra_mode[INTRA_MODES] = { | 
|  | II_DC_PRED, II_V_PRED, II_H_PRED, II_V_PRED,      II_SMOOTH_PRED, II_V_PRED, | 
|  | II_H_PRED,  II_H_PRED, II_V_PRED, II_SMOOTH_PRED, II_SMOOTH_PRED | 
|  | }; | 
|  |  | 
|  | #define FILTER_INTRA_SCALE_BITS 4 | 
|  |  | 
|  | static INLINE int av1_is_directional_mode(PREDICTION_MODE mode) { | 
|  | return mode >= V_PRED && mode <= D67_PRED; | 
|  | } | 
|  |  | 
|  | static INLINE int av1_use_angle_delta(BLOCK_SIZE bsize) { | 
|  | return bsize >= BLOCK_8X8; | 
|  | } | 
|  |  | 
|  | static INLINE int av1_allow_intrabc(const AV1_COMMON *const cm) { | 
|  | return frame_is_intra_only(cm) && cm->features.allow_screen_content_tools && | 
|  | cm->features.allow_intrabc; | 
|  | } | 
|  |  | 
|  | static INLINE int av1_filter_intra_allowed_bsize(const AV1_COMMON *const cm, | 
|  | BLOCK_SIZE bs) { | 
|  | if (!cm->seq_params.enable_filter_intra || bs == BLOCK_INVALID) return 0; | 
|  |  | 
|  | return block_size_wide[bs] <= 32 && block_size_high[bs] <= 32; | 
|  | } | 
|  |  | 
|  | static INLINE int av1_filter_intra_allowed(const AV1_COMMON *const cm, | 
|  | const MB_MODE_INFO *mbmi) { | 
|  | #if CONFIG_SDP | 
|  | return mbmi->mode == DC_PRED && | 
|  | #if CONFIG_MRLS | 
|  | mbmi->mrl_index == 0 && | 
|  | #endif | 
|  | mbmi->palette_mode_info.palette_size[0] == 0 && | 
|  | av1_filter_intra_allowed_bsize(cm, mbmi->sb_type[PLANE_TYPE_Y]); | 
|  | #else | 
|  | return mbmi->mode == DC_PRED && | 
|  | #if CONFIG_MRLS | 
|  | mbmi->mrl_index == 0 && | 
|  | #endif | 
|  | mbmi->palette_mode_info.palette_size[0] == 0 && | 
|  | av1_filter_intra_allowed_bsize(cm, mbmi->sb_type); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | #if CONFIG_ORIP | 
|  | static INLINE int av1_allow_orip_smooth_dc(PREDICTION_MODE mode, int plane) { | 
|  | #if CONFIG_ORIP_DC_DISABLED | 
|  | #if CONFIG_ORIP_NONDC_DISABLED | 
|  | return 0; | 
|  | #else | 
|  | if (plane == AOM_PLANE_Y) return (mode == SMOOTH_PRED); | 
|  | return (mode == UV_SMOOTH_PRED); | 
|  | #endif | 
|  | #else | 
|  | #if CONFIG_ORIP_NONDC_DISABLED | 
|  | if (plane == AOM_PLANE_Y) return (mode == DC_PRED); | 
|  | return 0; | 
|  | #else | 
|  | if (plane == AOM_PLANE_Y) return (mode == SMOOTH_PRED || mode == DC_PRED); | 
|  | return (mode == UV_SMOOTH_PRED); | 
|  | #endif | 
|  | #endif | 
|  | } | 
|  | static INLINE int av1_allow_orip_dir(int p_angle) { | 
|  | return (p_angle == 90 || p_angle == 180); | 
|  | } | 
|  | #endif | 
|  |  | 
|  | extern const int8_t av1_filter_intra_taps[FILTER_INTRA_MODES][8][8]; | 
|  |  | 
|  | static const int16_t dr_intra_derivative[90] = { | 
|  | // More evenly spread out angles and limited to 10-bit | 
|  | // Values that are 0 will never be used | 
|  | //                    Approx angle | 
|  | 0,    0, 0,        // | 
|  | 1023, 0, 0,        // 3, ... | 
|  | 547,  0, 0,        // 6, ... | 
|  | 372,  0, 0, 0, 0,  // 9, ... | 
|  | 273,  0, 0,        // 14, ... | 
|  | 215,  0, 0,        // 17, ... | 
|  | 178,  0, 0,        // 20, ... | 
|  | 151,  0, 0,        // 23, ... (113 & 203 are base angles) | 
|  | 132,  0, 0,        // 26, ... | 
|  | 116,  0, 0,        // 29, ... | 
|  | 102,  0, 0, 0,     // 32, ... | 
|  | 90,   0, 0,        // 36, ... | 
|  | 80,   0, 0,        // 39, ... | 
|  | 71,   0, 0,        // 42, ... | 
|  | 64,   0, 0,        // 45, ... (45 & 135 are base angles) | 
|  | 57,   0, 0,        // 48, ... | 
|  | 51,   0, 0,        // 51, ... | 
|  | 45,   0, 0, 0,     // 54, ... | 
|  | 40,   0, 0,        // 58, ... | 
|  | 35,   0, 0,        // 61, ... | 
|  | 31,   0, 0,        // 64, ... | 
|  | 27,   0, 0,        // 67, ... (67 & 157 are base angles) | 
|  | 23,   0, 0,        // 70, ... | 
|  | 19,   0, 0,        // 73, ... | 
|  | 15,   0, 0, 0, 0,  // 76, ... | 
|  | 11,   0, 0,        // 81, ... | 
|  | 7,    0, 0,        // 84, ... | 
|  | 3,    0, 0,        // 87, ... | 
|  | }; | 
|  |  | 
|  | // Get the shift (up-scaled by 256) in X w.r.t a unit change in Y. | 
|  | // If angle > 0 && angle < 90, dx = -((int)(256 / t)); | 
|  | // If angle > 90 && angle < 180, dx = (int)(256 / t); | 
|  | // If angle > 180 && angle < 270, dx = 1; | 
|  | static INLINE int av1_get_dx(int angle) { | 
|  | if (angle > 0 && angle < 90) { | 
|  | return dr_intra_derivative[angle]; | 
|  | } else if (angle > 90 && angle < 180) { | 
|  | return dr_intra_derivative[180 - angle]; | 
|  | } else { | 
|  | // In this case, we are not really going to use dx. We may return any value. | 
|  | return 1; | 
|  | } | 
|  | } | 
|  |  | 
|  | // Get the shift (up-scaled by 256) in Y w.r.t a unit change in X. | 
|  | // If angle > 0 && angle < 90, dy = 1; | 
|  | // If angle > 90 && angle < 180, dy = (int)(256 * t); | 
|  | // If angle > 180 && angle < 270, dy = -((int)(256 * t)); | 
|  | static INLINE int av1_get_dy(int angle) { | 
|  | if (angle > 90 && angle < 180) { | 
|  | return dr_intra_derivative[angle - 90]; | 
|  | } else if (angle > 180 && angle < 270) { | 
|  | return dr_intra_derivative[270 - angle]; | 
|  | } else { | 
|  | // In this case, we are not really going to use dy. We may return any value. | 
|  | return 1; | 
|  | } | 
|  | } | 
|  |  | 
|  | static INLINE int av1_use_intra_edge_upsample(int bs0, int bs1, int delta, | 
|  | int type) { | 
|  | const int d = abs(delta); | 
|  | const int blk_wh = bs0 + bs1; | 
|  | if (d == 0 || d >= 40) return 0; | 
|  | return type ? (blk_wh <= 8) : (blk_wh <= 16); | 
|  | } | 
|  |  | 
|  | #if CONFIG_IBP_DIR | 
|  | static const int32_t transpose_tx_size[TX_SIZES_ALL] = { | 
|  | TX_4X4,  TX_8X8,  TX_16X16, TX_32X32, TX_64X64, TX_8X4,   TX_4X8, | 
|  | TX_16X8, TX_8X16, TX_32X16, TX_16X32, TX_64X32, TX_32X64, TX_16X4, | 
|  | TX_4X16, TX_32X8, TX_8X32,  TX_64X16, TX_16X64, | 
|  | }; | 
|  | #endif | 
|  |  | 
|  | #ifdef __cplusplus | 
|  | }  // extern "C" | 
|  | #endif | 
|  | #endif  // AOM_AV1_COMMON_RECONINTRA_H_ |