| /* |
| * 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_RESTORATION_H_ |
| #define AOM_AV1_COMMON_RESTORATION_H_ |
| |
| #include "aom_ports/mem.h" |
| #include "config/aom_config.h" |
| |
| #include "av1/common/blockd.h" |
| #include "av1/common/enums.h" |
| |
| #if CONFIG_RST_MERGECOEFFS |
| #include "third_party/vector/vector.h" |
| #endif // CONFIG_RST_MERGECOEFFS |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /*! @file */ |
| |
| /*!\cond */ |
| |
| #if CONFIG_PC_WIENER |
| #define PC_WIENER_FILTER_CHROMA 0 |
| #define PC_WIENER_CLASSIFY_CHROMA 0 |
| #define PC_WIENER_ONLY_CLASSIFY_CHROMA \ |
| (!(PC_WIENER_FILTER_CHROMA) && (PC_WIENER_CLASSIFY_CHROMA)) |
| #endif // CONFIG_PC_WIENER |
| |
| // Border for Loop restoration buffer |
| #define AOM_RESTORATION_FRAME_BORDER 32 |
| #define CLIP(x, lo, hi) ((x) < (lo) ? (lo) : (x) > (hi) ? (hi) : (x)) |
| #define RINT(x) ((x) < 0 ? (int)((x)-0.5) : (int)((x) + 0.5)) |
| |
| #define RESTORATION_PROC_UNIT_SIZE 64 |
| |
| // Filter tile grid offset upwards compared to the superblock grid |
| #define RESTORATION_UNIT_OFFSET 8 |
| |
| #define SGRPROJ_BORDER_VERT 3 // Vertical border used for Sgr |
| #define SGRPROJ_BORDER_HORZ 3 // Horizontal border used for Sgr |
| |
| #define WIENER_BORDER_VERT 2 // Vertical border used for Wiener |
| #define WIENER_HALFWIN 3 |
| #define WIENER_BORDER_HORZ (WIENER_HALFWIN) // Horizontal border for Wiener |
| |
| // RESTORATION_BORDER_VERT determines line buffer requirement for LR. |
| // Should be set at the max of SGRPROJ_BORDER_VERT and WIENER_BORDER_VERT. |
| // Note the line buffer needed is twice the value of this macro. |
| #if SGRPROJ_BORDER_VERT >= WIENER_BORDER_VERT |
| #define RESTORATION_BORDER_VERT (SGRPROJ_BORDER_VERT) |
| #else |
| #define RESTORATION_BORDER_VERT (WIENER_BORDER_VERT) |
| #endif // SGRPROJ_BORDER_VERT >= WIENER_BORDER_VERT |
| |
| #if SGRPROJ_BORDER_HORZ >= WIENER_BORDER_HORZ |
| #define RESTORATION_BORDER_HORZ (SGRPROJ_BORDER_HORZ) |
| #else |
| #define RESTORATION_BORDER_HORZ (WIENER_BORDER_HORZ) |
| #endif // SGRPROJ_BORDER_VERT >= WIENER_BORDER_VERT |
| |
| // How many border pixels do we need for each processing unit? |
| #define RESTORATION_BORDER 3 |
| |
| // How many rows of deblocked pixels do we save above/below each processing |
| // stripe? |
| #define RESTORATION_CTX_VERT 2 |
| |
| // Additional pixels to the left and right in above/below buffers |
| // It is RESTORATION_BORDER_HORZ rounded up to get nicer buffer alignment |
| #define RESTORATION_EXTRA_HORZ 4 |
| |
| // Pad up to 20 more (may be much less is needed) |
| #define RESTORATION_PADDING 20 |
| #define RESTORATION_PROC_UNIT_PELS \ |
| ((RESTORATION_PROC_UNIT_SIZE + RESTORATION_BORDER_HORZ * 2 + \ |
| RESTORATION_PADDING) * \ |
| (RESTORATION_PROC_UNIT_SIZE + RESTORATION_BORDER_VERT * 2 + \ |
| RESTORATION_PADDING)) |
| |
| #define RESTORATION_UNITSIZE_MAX 256 |
| #define RESTORATION_UNITPELS_HORZ_MAX \ |
| (RESTORATION_UNITSIZE_MAX * 3 / 2 + 2 * RESTORATION_BORDER_HORZ + 16) |
| #define RESTORATION_UNITPELS_VERT_MAX \ |
| ((RESTORATION_UNITSIZE_MAX * 3 / 2 + 2 * RESTORATION_BORDER_VERT + \ |
| RESTORATION_UNIT_OFFSET)) |
| #define RESTORATION_UNITPELS_MAX \ |
| (RESTORATION_UNITPELS_HORZ_MAX * RESTORATION_UNITPELS_VERT_MAX) |
| |
| // Two 32-bit buffers needed for the restored versions from two filters |
| // TODO(debargha, rupert): Refactor to not need the large tilesize to be stored |
| // on the decoder side. |
| #define SGRPROJ_TMPBUF_SIZE (RESTORATION_UNITPELS_MAX * 2 * sizeof(int32_t)) |
| |
| #define SGRPROJ_EXTBUF_SIZE (0) |
| #define SGRPROJ_PARAMS_BITS 4 |
| #define SGRPROJ_PARAMS (1 << SGRPROJ_PARAMS_BITS) |
| |
| // Precision bits for projection |
| #define SGRPROJ_PRJ_BITS 7 |
| // Restoration precision bits generated higher than source before projection |
| #define SGRPROJ_RST_BITS 4 |
| // Internal precision bits for core selfguided_restoration |
| #define SGRPROJ_SGR_BITS 8 |
| #define SGRPROJ_SGR (1 << SGRPROJ_SGR_BITS) |
| |
| #define SGRPROJ_PRJ_MIN0 (-(1 << SGRPROJ_PRJ_BITS) * 3 / 4) |
| #define SGRPROJ_PRJ_MAX0 (SGRPROJ_PRJ_MIN0 + (1 << SGRPROJ_PRJ_BITS) - 1) |
| #define SGRPROJ_PRJ_MIN1 (-(1 << SGRPROJ_PRJ_BITS) / 4) |
| #define SGRPROJ_PRJ_MAX1 (SGRPROJ_PRJ_MIN1 + (1 << SGRPROJ_PRJ_BITS) - 1) |
| |
| #define SGRPROJ_PRJ_SUBEXP_K 4 |
| |
| #define SGRPROJ_BITS (SGRPROJ_PRJ_BITS * 2 + SGRPROJ_PARAMS_BITS) |
| |
| #define MAX_RADIUS 2 // Only 1, 2, 3 allowed |
| #define MAX_NELEM ((2 * MAX_RADIUS + 1) * (2 * MAX_RADIUS + 1)) |
| #define SGRPROJ_MTABLE_BITS 20 |
| #define SGRPROJ_RECIP_BITS 12 |
| |
| #define WIENER_HALFWIN1 (WIENER_HALFWIN + 1) |
| #define WIENER_WIN (2 * WIENER_HALFWIN + 1) |
| #define WIENER_WIN2 ((WIENER_WIN) * (WIENER_WIN)) |
| #define WIENER_TMPBUF_SIZE (0) |
| #define WIENER_EXTBUF_SIZE (0) |
| |
| // If WIENER_WIN_CHROMA == WIENER_WIN - 2, that implies 5x5 filters are used for |
| // chroma. To use 7x7 for chroma set WIENER_WIN_CHROMA to WIENER_WIN. |
| #define WIENER_WIN_CHROMA (WIENER_WIN - 2) |
| #define WIENER_WIN_REDUCED (WIENER_WIN - 2) |
| #define WIENER_WIN2_CHROMA ((WIENER_WIN_CHROMA) * (WIENER_WIN_CHROMA)) |
| |
| #define WIENER_FILT_PREC_BITS 7 |
| #define WIENER_FILT_STEP (1 << WIENER_FILT_PREC_BITS) |
| |
| // Central values for the taps |
| #define WIENER_FILT_TAP0_MIDV (3) |
| #define WIENER_FILT_TAP1_MIDV (-7) |
| #define WIENER_FILT_TAP2_MIDV (15) |
| #define WIENER_FILT_TAP3_MIDV \ |
| (WIENER_FILT_STEP - 2 * (WIENER_FILT_TAP0_MIDV + WIENER_FILT_TAP1_MIDV + \ |
| WIENER_FILT_TAP2_MIDV)) |
| |
| #define WIENER_FILT_TAP0_BITS 4 |
| #define WIENER_FILT_TAP1_BITS 5 |
| #define WIENER_FILT_TAP2_BITS 6 |
| |
| #define WIENER_FILT_BITS \ |
| ((WIENER_FILT_TAP0_BITS + WIENER_FILT_TAP1_BITS + WIENER_FILT_TAP2_BITS) * 2) |
| |
| #define WIENER_FILT_TAP0_MINV \ |
| (WIENER_FILT_TAP0_MIDV - (1 << WIENER_FILT_TAP0_BITS) / 2) |
| #define WIENER_FILT_TAP1_MINV \ |
| (WIENER_FILT_TAP1_MIDV - (1 << WIENER_FILT_TAP1_BITS) / 2) |
| #define WIENER_FILT_TAP2_MINV \ |
| (WIENER_FILT_TAP2_MIDV - (1 << WIENER_FILT_TAP2_BITS) / 2) |
| |
| #define WIENER_FILT_TAP0_MAXV \ |
| (WIENER_FILT_TAP0_MIDV - 1 + (1 << WIENER_FILT_TAP0_BITS) / 2) |
| #define WIENER_FILT_TAP1_MAXV \ |
| (WIENER_FILT_TAP1_MIDV - 1 + (1 << WIENER_FILT_TAP1_BITS) / 2) |
| #define WIENER_FILT_TAP2_MAXV \ |
| (WIENER_FILT_TAP2_MIDV - 1 + (1 << WIENER_FILT_TAP2_BITS) / 2) |
| |
| #define WIENER_FILT_TAP0_SUBEXP_K 1 |
| #define WIENER_FILT_TAP1_SUBEXP_K 2 |
| #define WIENER_FILT_TAP2_SUBEXP_K 3 |
| |
| #if CONFIG_WIENER_NONSEP |
| #if CONFIG_WIENER_NONSEP_CROSS_FILT |
| #define WIENERNS_UV_BRD 2 // Max offset for luma used for chorma |
| #else |
| #define WIENERNS_UV_BRD 0 // Max offset for luma used for chorma |
| #endif // CONFIG_WIENER_NONSEP_CROSS_FILT |
| |
| #define WIENERNS_MAX 20 |
| |
| #define WIENERNS_ROW_ID 0 |
| #define WIENERNS_COL_ID 1 |
| #define WIENERNS_BUF_POS 2 |
| |
| #define WIENERNS_COEFCFG_LEN 3 |
| #define WIENERNS_BIT_ID 0 |
| #define WIENERNS_MIN_ID 1 |
| #define WIENERNS_PAR_ID 2 |
| |
| typedef struct { |
| NonsepFilterConfig nsfilter_config; |
| int ncoeffs; |
| const int (*coeffs)[WIENERNS_COEFCFG_LEN]; |
| } WienernsFilterParameters; |
| |
| typedef struct { |
| const WienernsFilterParameters *y; |
| const WienernsFilterParameters *uv; |
| } WienernsFilterPairParameters; |
| |
| extern const WienernsFilterPairParameters wienerns_filters_lowqp; |
| extern const WienernsFilterPairParameters wienerns_filters_midqp; |
| extern const WienernsFilterPairParameters wienerns_filters_highqp; |
| |
| #define USE_CENTER_WIENER_NONSEP 0 |
| |
| static INLINE const WienernsFilterParameters *get_wienerns_parameters( |
| int qindex, int is_uv) { |
| const WienernsFilterPairParameters *pair_nsfilter_params = NULL; |
| (void)qindex; |
| pair_nsfilter_params = &wienerns_filters_midqp; |
| return is_uv ? pair_nsfilter_params->uv : pair_nsfilter_params->y; |
| } |
| |
| static INLINE const NonsepFilterConfig *get_wienerns_config(int qindex, |
| int is_uv) { |
| const WienernsFilterParameters *base_nsfilter_params = |
| get_wienerns_parameters(qindex, is_uv); |
| return &base_nsfilter_params->nsfilter_config; |
| } |
| #endif // CONFIG_WIENER_NONSEP |
| |
| #if CONFIG_COMBINE_PC_NS_WIENER |
| const uint8_t *get_pc_wiener_sub_classifier(int num_classes, int bank_index); |
| #endif // CONFIG_COMBINE_PC_NS_WIENER |
| |
| // Max of SGRPROJ_TMPBUF_SIZE, DOMAINTXFMRF_TMPBUF_SIZE, WIENER_TMPBUF_SIZE |
| #define RESTORATION_TMPBUF_SIZE (SGRPROJ_TMPBUF_SIZE) |
| |
| // Max of SGRPROJ_EXTBUF_SIZE, WIENER_EXTBUF_SIZE |
| #define RESTORATION_EXTBUF_SIZE (WIENER_EXTBUF_SIZE) |
| |
| // Check the assumptions of the existing code |
| #if SUBPEL_TAPS != WIENER_WIN + 1 |
| #error "Wiener filter currently only works if SUBPEL_TAPS == WIENER_WIN + 1" |
| #endif |
| #if WIENER_FILT_PREC_BITS != 7 |
| #error "Wiener filter currently only works if WIENER_FILT_PREC_BITS == 7" |
| #endif |
| |
| #define LR_TILE_ROW 0 |
| #define LR_TILE_COL 0 |
| #define LR_TILE_COLS 1 |
| |
| typedef struct { |
| int r[2]; // radii |
| int s[2]; // sgr parameters for r[0] and r[1], based on GenSgrprojVtable() |
| } sgr_params_type; |
| /*!\endcond */ |
| |
| /*!\brief Parameters related to Restoration Unit Info */ |
| typedef struct { |
| /*! |
| * restoration type |
| */ |
| RestorationType restoration_type; |
| |
| /*! |
| * Wiener filter parameters if restoration_type indicates Wiener |
| */ |
| WienerInfo wiener_info; |
| |
| /*! |
| * Sgrproj filter parameters if restoration_type indicates Sgrproj |
| */ |
| SgrprojInfo sgrproj_info; |
| |
| #if CONFIG_WIENER_NONSEP |
| /*! |
| * Nonseparable Wiener filter information. |
| */ |
| WienerNonsepInfo wienerns_info; |
| #if CONFIG_WIENER_NONSEP_CROSS_FILT |
| /*! |
| * Pointer to luma frame. |
| */ |
| const uint8_t *luma; |
| /*! |
| * Stride for luma frame. |
| */ |
| int luma_stride; |
| #endif // CONFIG_WIENER_NONSEP_CROSS_FILT |
| #endif // CONFIG_WIENER_NONSEP |
| #if CONFIG_WIENER_NONSEP || CONFIG_PC_WIENER |
| /*! |
| * Plane for filtering. |
| */ |
| int plane; |
| /*! |
| * Quantizer index. |
| */ |
| int base_qindex; |
| /*! |
| * The class-id that classifcation related processing should be restricted to. |
| */ |
| int class_id_restrict; |
| #endif // CONFIG_WIENER_NONSEP || CONFIG_PC_WIENER |
| #if CONFIG_PC_WIENER |
| /*! |
| * Pointer to tskip frame. |
| */ |
| const uint8_t *tskip; |
| /*! |
| * Stride for tskip frame. |
| */ |
| int tskip_stride; |
| /*! |
| * Offset to quantizer index. |
| */ |
| int qindex_offset; |
| /*! |
| * Pointer to class_id frame. |
| */ |
| uint8_t *class_id; |
| /*! |
| * Stride for class_id frame. |
| */ |
| int class_id_stride; |
| #if CONFIG_COMBINE_PC_NS_WIENER |
| /*! |
| * Whether classification needs to be computed. |
| */ |
| int compute_classification; |
| #endif // CONFIG_COMBINE_PC_NS_WIENER |
| #endif // CONFIG_PC_WIENER |
| } RestorationUnitInfo; |
| |
| /*!\cond */ |
| |
| // A restoration line buffer needs space for two lines plus a horizontal filter |
| // margin of RESTORATION_EXTRA_HORZ on each side. |
| #define RESTORATION_LINEBUFFER_WIDTH \ |
| (RESTORATION_UNITSIZE_MAX * 3 / 2 + 2 * RESTORATION_EXTRA_HORZ) |
| |
| // Similarly, the column buffers (used when we're at a vertical tile edge |
| // that we can't filter across) need space for one processing unit's worth |
| // of pixels, plus the top/bottom border width |
| #define RESTORATION_COLBUFFER_HEIGHT \ |
| (RESTORATION_PROC_UNIT_SIZE + 2 * RESTORATION_BORDER) |
| |
| typedef struct { |
| // Temporary buffers to save/restore 3 lines above/below the restoration |
| // stripe. |
| uint16_t tmp_save_above[RESTORATION_BORDER][RESTORATION_LINEBUFFER_WIDTH]; |
| uint16_t tmp_save_below[RESTORATION_BORDER][RESTORATION_LINEBUFFER_WIDTH]; |
| } RestorationLineBuffers; |
| /*!\endcond */ |
| |
| /*!\brief Parameters related to Restoration Stripe boundaries */ |
| typedef struct { |
| /*! |
| * stripe boundary above |
| */ |
| uint8_t *stripe_boundary_above; |
| |
| /*! |
| * stripe boundary below |
| */ |
| uint8_t *stripe_boundary_below; |
| |
| /*! |
| * strides for stripe boundaries above and below |
| */ |
| int stripe_boundary_stride; |
| |
| /*! |
| * size of stripe boundaries above and below |
| */ |
| int stripe_boundary_size; |
| } RestorationStripeBoundaries; |
| |
| /*!\brief Parameters related to Restoration Info */ |
| typedef struct { |
| /*! |
| * Restoration type for frame |
| */ |
| RestorationType frame_restoration_type; |
| |
| /*! |
| * Restoration unit size |
| */ |
| int restoration_unit_size; |
| |
| /** |
| * \name Fields allocated and initialised by av1_alloc_restoration_struct. |
| * (horz_)units_per_tile give the number of restoration units in |
| * (one row of) the largest tile in the frame. |
| */ |
| /**@{*/ |
| /*! |
| * Number of units per tile for the largest tile in the frame |
| */ |
| int units_per_tile; |
| |
| /*! |
| * Number of vertical units per tile |
| */ |
| int vert_units_per_tile; |
| |
| /*! |
| * Number of horizontal units per tile for the largest tile in the frame |
| */ |
| int horz_units_per_tile; |
| /**@}*/ |
| |
| /*! |
| * List of info for units in tile. |
| * The data in unit_info is laid out with units_per_tile entries for each |
| * tile, which have stride horz_units_per_tile. |
| * Even if there are tiles of different sizes, the data in unit_info is |
| * laid out as if all tiles are of full size. |
| */ |
| RestorationUnitInfo *unit_info; |
| |
| /*! |
| * Restoration Stripe boundary info |
| */ |
| RestorationStripeBoundaries boundaries; |
| |
| /*! |
| * Whether optimized lr can be used for speed. |
| * That includes cases of no cdef and no superres, or if fast trial runs |
| * are used on the encoder side. |
| */ |
| int optimized_lr; |
| |
| #if CONFIG_LR_FLEX_SYNTAX |
| /*! |
| * Additional tools disable mask in switchable frame mode |
| */ |
| uint8_t sw_lr_tools_disable_mask; |
| #endif // CONFIG_LR_FLEX_SYNTAX |
| |
| #if CONFIG_WIENER_NONSEP |
| /*! |
| * Number of classes in the Wienerns filtering calculation. |
| */ |
| int num_filter_classes; |
| #endif |
| } RestorationInfo; |
| |
| /*!\cond */ |
| #if CONFIG_CNN_GUIDED_QUADTREE |
| typedef struct { |
| int unit_index; // index signaled in bitstream. |
| int unit_size; // inferred from unit_index and frame dimensions. |
| int split_info_length; |
| int unit_info_length; |
| QUADUnitInfo *unit_info; |
| QUADSplitInfo *split_info; |
| int signaled; // true if quadtree info has been read/written already. |
| } QUADInfo; |
| #endif // CONFIG_CNN_GUIDED_QUADTREE |
| |
| static INLINE void set_default_sgrproj(SgrprojInfo *sgrproj_info) { |
| sgrproj_info->ep = 0; |
| sgrproj_info->xqd[0] = (SGRPROJ_PRJ_MIN0 + SGRPROJ_PRJ_MAX0) / 2; |
| sgrproj_info->xqd[1] = (SGRPROJ_PRJ_MIN1 + SGRPROJ_PRJ_MAX1) / 2; |
| } |
| |
| static INLINE void set_default_wiener(WienerInfo *wiener_info) { |
| wiener_info->vfilter[0] = wiener_info->hfilter[0] = WIENER_FILT_TAP0_MIDV; |
| wiener_info->vfilter[1] = wiener_info->hfilter[1] = WIENER_FILT_TAP1_MIDV; |
| wiener_info->vfilter[2] = wiener_info->hfilter[2] = WIENER_FILT_TAP2_MIDV; |
| wiener_info->vfilter[WIENER_HALFWIN] = wiener_info->hfilter[WIENER_HALFWIN] = |
| -2 * |
| (WIENER_FILT_TAP2_MIDV + WIENER_FILT_TAP1_MIDV + WIENER_FILT_TAP0_MIDV); |
| wiener_info->vfilter[4] = wiener_info->hfilter[4] = WIENER_FILT_TAP2_MIDV; |
| wiener_info->vfilter[5] = wiener_info->hfilter[5] = WIENER_FILT_TAP1_MIDV; |
| wiener_info->vfilter[6] = wiener_info->hfilter[6] = WIENER_FILT_TAP0_MIDV; |
| } |
| |
| #if CONFIG_WIENER_NONSEP |
| static INLINE void set_default_wienerns(WienerNonsepInfo *wienerns_info, |
| int qindex, int num_classes, |
| int chroma) { |
| const WienernsFilterParameters *nsfilter_params = |
| get_wienerns_parameters(qindex, chroma); |
| wienerns_info->num_classes = num_classes; |
| for (int c_id = 0; c_id < wienerns_info->num_classes; ++c_id) { |
| #if CONFIG_RST_MERGECOEFFS |
| wienerns_info->bank_ref_for_class[c_id] = 0; |
| #endif // CONFIG_RST_MERGECOEFFS |
| int16_t *wienerns_info_nsfilter = nsfilter_taps(wienerns_info, c_id); |
| for (int i = 0; i < nsfilter_params->ncoeffs; ++i) { |
| wienerns_info_nsfilter[i] = |
| nsfilter_params->coeffs[i][WIENERNS_MIN_ID] + |
| (1 << nsfilter_params->coeffs[i][WIENERNS_BIT_ID]) / 2; |
| } |
| } |
| } |
| |
| #if CONFIG_WIENER_NONSEP_CROSS_FILT |
| |
| // 0: Skip luma pixels to scale down to chroma (simplest) |
| // 1: Average 4 or 2 luma pixels to scale down to chroma |
| // 2: Use 8-tap downsampling filter |
| #define WIENERNS_CROSS_FILT_LUMA_TYPE 0 |
| |
| uint16_t *wienerns_copy_luma_highbd(const uint8_t *dgd8, int height_y, |
| int width_y, int in_stride, uint8_t **luma8, |
| int height_uv, int width_uv, int border, |
| int out_stride, int bd); |
| #endif // CONFIG_WIENER_NONSEP_CROSS_FILT |
| |
| #endif // CONFIG_WIENER_NONSEP |
| |
| typedef struct { |
| int h_start, h_end, v_start, v_end; |
| } RestorationTileLimits; |
| |
| typedef void (*rest_unit_visitor_t)(const RestorationTileLimits *limits, |
| const AV1PixelRect *tile_rect, |
| int rest_unit_idx, int rest_unit_idx_seq, |
| void *priv, int32_t *tmpbuf, |
| RestorationLineBuffers *rlbs); |
| |
| typedef struct FilterFrameCtxt { |
| const RestorationInfo *rsi; |
| int tile_stripe0; |
| int ss_x, ss_y; |
| int bit_depth; |
| uint8_t *data8, *dst8; |
| int data_stride, dst_stride; |
| AV1PixelRect tile_rect; |
| #if CONFIG_WIENER_NONSEP || CONFIG_PC_WIENER |
| int plane; |
| int base_qindex; |
| #endif // CONFIG_WIENER_NONSEP || CONFIG_PC_WIENER |
| #if CONFIG_WIENER_NONSEP_CROSS_FILT |
| const uint8_t *luma; |
| int luma_stride; |
| #endif // CONFIG_WIENER_NONSEP_CROSS_FILT |
| #if CONFIG_PC_WIENER |
| const uint8_t *tskip; |
| int tskip_stride; |
| int qindex_offset; |
| uint8_t *class_id; |
| int class_id_stride; |
| #endif // CONFIG_PC_WIENER |
| #if CONFIG_SAVE_IN_LOOP_DATA |
| uint8_t *lr_mode_info; |
| int lr_mode_info_stride; |
| #endif // CONFIG_SAVE_IN_LOOP_DATA |
| } FilterFrameCtxt; |
| |
| typedef struct AV1LrStruct { |
| rest_unit_visitor_t on_rest_unit; |
| FilterFrameCtxt ctxt[MAX_MB_PLANE]; |
| YV12_BUFFER_CONFIG *frame; |
| YV12_BUFFER_CONFIG *dst; |
| } AV1LrStruct; |
| |
| extern const sgr_params_type av1_sgr_params[SGRPROJ_PARAMS]; |
| extern int sgrproj_mtable[SGRPROJ_PARAMS][2]; |
| extern const int32_t av1_x_by_xplus1[256]; |
| extern const int32_t av1_one_by_x[MAX_NELEM]; |
| |
| void av1_alloc_restoration_struct(struct AV1Common *cm, RestorationInfo *rsi, |
| int is_uv); |
| void av1_free_restoration_struct(RestorationInfo *rst_info); |
| |
| void av1_extend_frame(uint8_t *data, int width, int height, int stride, |
| int border_horz, int border_vert); |
| void av1_decode_xq(const int *xqd, int *xq, const sgr_params_type *params); |
| |
| /*!\endcond */ |
| |
| /*!\brief Function for applying loop restoration filter to a single unit. |
| * |
| * \ingroup in_loop_restoration |
| * This function applies the loop restoration filter to a single |
| * loop restoration unit. |
| * |
| * \param[in] limits Limits of the unit |
| * \param[in] rui The parameters to use for this unit and its |
| * coefficients |
| * \param[in] rsb Deblocked pixels to use for stripe boundaries |
| * \param[in] rlbs Space to use as a scratch buffer |
| * \param[in] tile_rect Limits of the tile containing this unit |
| * \param[in] tile_stripe0 Index of the first stripe in this tile |
| * \param[in] ss_x Horizontal subsampling for plane |
| * \param[in] ss_y Vertical subsampling for plane |
| * \param[in] bit_depth Bit-depth of the video |
| * \param[in] data8 Frame data (pointing at the top-left corner of |
| * the frame, not the restoration unit). |
| * \param[in] stride Stride of \c data8 |
| * \param[out] dst8 Buffer where the results will be written. Like |
| * \c data8, \c dst8 should point at the top-left |
| * corner of the frame |
| * \param[in] dst_stride Stride of \c dst8 |
| * \param[in] tmpbuf Scratch buffer used by the sgrproj filter which |
| * should be at least SGRPROJ_TMPBUF_SIZE big. |
| * \param[in] optimized_lr Whether to use fast optimized Loop Restoration |
| * |
| * Nothing is returned. Instead, the filtered unit is output in \c dst8 |
| * at the proper restoration unit offset. |
| */ |
| void av1_loop_restoration_filter_unit( |
| const RestorationTileLimits *limits, const RestorationUnitInfo *rui, |
| const RestorationStripeBoundaries *rsb, RestorationLineBuffers *rlbs, |
| const AV1PixelRect *tile_rect, int tile_stripe0, int ss_x, int ss_y, |
| int bit_depth, uint8_t *data8, int stride, uint8_t *dst8, int dst_stride, |
| int32_t *tmpbuf, int optimized_lr); |
| |
| /*!\brief Function for applying loop restoration filter to a frame |
| * |
| * \ingroup in_loop_restoration |
| * This function applies the loop restoration filter to a frame. |
| * |
| * \param[in, out] frame Compressed frame buffer |
| * \param[in, out] cm Pointer to top level common structure |
| * \param[in] optimized_lr Whether to use fast optimized Loop Restoration |
| * \param[in] lr_ctxt Loop restoration context |
| * |
| * Nothing is returned. Instead, the filtered frame is output in \c frame. |
| */ |
| void av1_loop_restoration_filter_frame(YV12_BUFFER_CONFIG *frame, |
| struct AV1Common *cm, int optimized_lr, |
| void *lr_ctxt); |
| /*!\cond */ |
| |
| #if CONFIG_LR_FLEX_SYNTAX |
| #if CONFIG_PC_WIENER |
| #define DEF_UV_LR_TOOLS_DISABLE_MASK (1 << RESTORE_PC_WIENER) |
| #else |
| #define DEF_UV_LR_TOOLS_DISABLE_MASK 0 |
| #endif // CONFIG_PC_WIENER |
| #endif // CONFIG_LR_FLEX_SYNTAX |
| |
| void av1_loop_restoration_precal(); |
| |
| typedef void (*rest_tile_start_visitor_t)(int tile_row, int tile_col, |
| void *priv); |
| struct AV1LrSyncData; |
| |
| typedef void (*sync_read_fn_t)(void *const lr_sync, int r, int c, int plane); |
| |
| typedef void (*sync_write_fn_t)(void *const lr_sync, int r, int c, |
| const int sb_cols, int plane); |
| |
| // Return 1 iff the block at mi_row, mi_col with size bsize is a |
| // top-level superblock containing the top-left corner of at least one |
| // loop restoration unit. |
| // |
| // If the block is a top-level superblock, the function writes to |
| // *rcol0, *rcol1, *rrow0, *rrow1. The rectangle of restoration unit |
| // indices given by [*rcol0, *rcol1) x [*rrow0, *rrow1) are relative |
| // to the current tile, whose starting index is returned as |
| // *tile_tl_idx. |
| int av1_loop_restoration_corners_in_sb(const struct AV1Common *cm, int plane, |
| int mi_row, int mi_col, BLOCK_SIZE bsize, |
| int *rcol0, int *rcol1, int *rrow0, |
| int *rrow1); |
| |
| // Utility to get RU limits for tile with index { tile_w, tile_h } |
| void av1_get_ru_limits_in_tile(const struct AV1Common *cm, int plane, |
| int tile_row, int tile_col, int *ru_row_start, |
| int *ru_row_end, int *ru_col_start, |
| int *ru_col_end); |
| |
| void av1_loop_restoration_save_boundary_lines(const YV12_BUFFER_CONFIG *frame, |
| struct AV1Common *cm, |
| int after_cdef); |
| void av1_loop_restoration_filter_frame_init(AV1LrStruct *lr_ctxt, |
| YV12_BUFFER_CONFIG *frame, |
| struct AV1Common *cm, |
| int optimized_lr, int num_planes); |
| void av1_loop_restoration_copy_planes(AV1LrStruct *loop_rest_ctxt, |
| struct AV1Common *cm, int num_planes); |
| |
| // Call on_rest_unit for each loop restoration unit in a tile. |
| void av1_foreach_rest_unit_in_tile(const AV1PixelRect *tile_rect, int unit_idx0, |
| int hunits_per_tile, int vunits_per_tile, |
| int unit_stride, int unit_size, int ss_y, |
| int plane, rest_unit_visitor_t on_rest_unit, |
| void *priv, int32_t *tmpbuf, |
| RestorationLineBuffers *rlbs, |
| int *processed); |
| // Call on_rest_unit for each loop restoration unit in a coded SB. |
| void av1_foreach_rest_unit_in_sb(const AV1PixelRect *tile_rect, int unit_idx0, |
| int hunits_per_tile, int vunits_per_tile, |
| int unit_stride, int unit_size, int ss_y, |
| int plane, rest_unit_visitor_t on_rest_unit, |
| void *priv, int32_t *tmpbuf, |
| RestorationLineBuffers *rlbs, int *processed); |
| // Call on_rest_unit for each loop restoration unit in the plane. |
| void av1_foreach_rest_unit_in_plane(const struct AV1Common *cm, int plane, |
| rest_unit_visitor_t on_rest_unit, |
| void *priv, AV1PixelRect *tile_rect, |
| int32_t *tmpbuf, |
| RestorationLineBuffers *rlbs); |
| |
| void av1_foreach_rest_unit_in_row( |
| RestorationTileLimits *limits, const AV1PixelRect *tile_rect, |
| rest_unit_visitor_t on_rest_unit, int row_number, int unit_size, |
| int unit_idx0, int hunits_per_tile, int vunits_per_tile, int unit_stride, |
| int plane, void *priv, int32_t *tmpbuf, RestorationLineBuffers *rlbs, |
| sync_read_fn_t on_sync_read, sync_write_fn_t on_sync_write, |
| struct AV1LrSyncData *const lr_sync, int *processed); |
| |
| AV1PixelRect av1_whole_frame_rect(const struct AV1Common *cm, int is_uv); |
| AV1PixelRect av1_get_rutile_rect(const struct AV1Common *cm, int is_uv, |
| int ru_start_row, int ru_end_row, |
| int ru_start_col, int ru_end_col, |
| int ru_height, int ru_width); |
| int av1_lr_count_units_in_tile(int unit_size, int tile_size); |
| void av1_lr_sync_read_dummy(void *const lr_sync, int r, int c, int plane); |
| void av1_lr_sync_write_dummy(void *const lr_sync, int r, int c, |
| const int sb_cols, int plane); |
| |
| /*!\endcond */ |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // AOM_AV1_COMMON_RESTORATION_H_ |
