lf_mask.h (3804B)
1 /* 2 * Copyright © 2018-2021, VideoLAN and dav1d authors 3 * Copyright © 2018, Two Orioles, LLC 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright notice, this 10 * list of conditions and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright notice, 13 * this list of conditions and the following disclaimer in the documentation 14 * and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef DAV1D_SRC_LF_MASK_H 29 #define DAV1D_SRC_LF_MASK_H 30 31 #include <stddef.h> 32 #include <stdint.h> 33 34 #include "src/levels.h" 35 36 typedef struct Av1FilterLUT { 37 ALIGN(uint8_t e[64], 16); 38 ALIGN(uint8_t i[64], 16); 39 ALIGN(uint64_t sharp[2], 16); 40 } Av1FilterLUT; 41 42 typedef struct Av1RestorationUnit { 43 /* SGR: type = DAV1D_RESTORATION_SGRPROJ + sgr_idx */ 44 uint8_t /* enum Dav1dRestorationType */ type; 45 int8_t filter_h[3]; 46 int8_t filter_v[3]; 47 int8_t sgr_weights[2]; 48 } Av1RestorationUnit; 49 50 // each struct describes one 128x128 area (1 or 4 SBs), pre-superres-scaling 51 typedef struct Av1Filter { 52 // each bit is 1 col 53 uint16_t filter_y[2 /* 0=col, 1=row */][32][3][2]; 54 uint16_t filter_uv[2 /* 0=col, 1=row */][32][2][2]; 55 int8_t cdef_idx[4]; // -1 means "unset" 56 uint16_t noskip_mask[16][2]; // for 8x8 blocks, but stored on a 4x8 basis 57 } Av1Filter; 58 59 // each struct describes one 128x128 area (1 or 4 SBs), post-superres-scaling 60 typedef struct Av1Restoration { 61 Av1RestorationUnit lr[3][4]; 62 } Av1Restoration; 63 64 void dav1d_create_lf_mask_intra(Av1Filter *lflvl, uint8_t (*level_cache)[4], 65 const ptrdiff_t b4_stride, 66 const uint8_t (*level)[8][2], int bx, int by, 67 int iw, int ih, enum BlockSize bs, 68 enum RectTxfmSize ytx, enum RectTxfmSize uvtx, 69 enum Dav1dPixelLayout layout, uint8_t *ay, 70 uint8_t *ly, uint8_t *auv, uint8_t *luv); 71 void dav1d_create_lf_mask_inter(Av1Filter *lflvl, uint8_t (*level_cache)[4], 72 const ptrdiff_t b4_stride, 73 const uint8_t (*level)[8][2], int bx, int by, 74 int iw, int ih, int skip_inter, 75 enum BlockSize bs, enum RectTxfmSize max_ytx, 76 const uint16_t *tx_mask, enum RectTxfmSize uvtx, 77 enum Dav1dPixelLayout layout, uint8_t *ay, 78 uint8_t *ly, uint8_t *auv, uint8_t *luv); 79 void dav1d_calc_eih(Av1FilterLUT *lim_lut, int filter_sharpness); 80 void dav1d_calc_lf_values(uint8_t (*values)[4][8][2], const Dav1dFrameHeader *hdr, 81 const int8_t lf_delta[4]); 82 83 #endif /* DAV1D_SRC_LF_MASK_H */