/* * 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 "get_bits.h" #include "bit_depth_template.c" #include "hevcdsp.h" #include "hevc.h" #define SET(dst, x) (dst) = (x) #define SCALE(dst, x) (dst) = av_clip_int16(((x) + add) >> shift) #define ADD_AND_SCALE(dst, x) (dst) = av_clip_pixel((dst) + av_clip_int16(((x) + add) >> shift)) static void FUNC(put_pcm)(uint8_t *_dst, ptrdiff_t _stride, int size, GetBitContext *gb, int pcm_bit_depth) { int x, y; pixel *dst = (pixel *)_dst; ptrdiff_t stride = _stride / sizeof(pixel); for (y = 0; y < size; y++) { for (x = 0; x < size; x++) dst[x] = get_bits(gb, pcm_bit_depth) << (BIT_DEPTH - pcm_bit_depth); dst += stride; } } static void FUNC(transquant_bypass4x4)(uint8_t *_dst, int16_t *coeffs, ptrdiff_t _stride) { int x, y; pixel *dst = (pixel *)_dst; ptrdiff_t stride = _stride / sizeof(pixel); for (y = 0; y < 4; y++) { for (x = 0; x < 4; x++) { dst[x] += *coeffs; coeffs++; } dst += stride; } } static void FUNC(transquant_bypass8x8)(uint8_t *_dst, int16_t *coeffs, ptrdiff_t _stride) { int x, y; pixel *dst = (pixel *)_dst; ptrdiff_t stride = _stride / sizeof(pixel); for (y = 0; y < 8; y++) { for (x = 0; x < 8; x++) { dst[x] += *coeffs; coeffs++; } dst += stride; } } static void FUNC(transquant_bypass16x16)(uint8_t *_dst, int16_t *coeffs, ptrdiff_t _stride) { int x, y; pixel *dst = (pixel *)_dst; ptrdiff_t stride = _stride / sizeof(pixel); for (y = 0; y < 16; y++) { for (x = 0; x < 16; x++) { dst[x] += *coeffs; coeffs++; } dst += stride; } } static void FUNC(transquant_bypass32x32)(uint8_t *_dst, int16_t *coeffs, ptrdiff_t _stride) { int x, y; pixel *dst = (pixel *)_dst; ptrdiff_t stride = _stride / sizeof(pixel); for (y = 0; y < 32; y++) { for (x = 0; x < 32; x++) { dst[x] += *coeffs; coeffs++; } dst += stride; } } static void FUNC(transform_skip)(uint8_t *_dst, int16_t *coeffs, ptrdiff_t _stride) { pixel *dst = (pixel *)_dst; ptrdiff_t stride = _stride / sizeof(pixel); int shift = 13 - BIT_DEPTH; #if BIT_DEPTH <= 13 int offset = 1 << (shift - 1); #else int offset = 0; #endif int x, y; for (y = 0; y < 4*4; y+=4) { for (x = 0; x < 4; x++) { dst[x] = av_clip_pixel(dst[x] + ((coeffs[y + x] + offset) >> shift)); } dst += stride; } } static void FUNC(transform_4x4_luma_add)(uint8_t *_dst, int16_t *coeffs, ptrdiff_t _stride) { #define TR_4x4_LUMA(dst, src, step, assign) \ do { \ int c0 = src[0*step] + src[2*step]; \ int c1 = src[2*step] + src[3*step]; \ int c2 = src[0*step] - src[3*step]; \ int c3 = 74 * src[1*step]; \ \ assign(dst[2*step], 74 * (src[0*step] - src[2*step] + src[3*step])); \ assign(dst[0*step], 29 * c0 + 55 * c1 + c3); \ assign(dst[1*step], 55 * c2 - 29 * c1 + c3); \ assign(dst[3*step], 55 * c0 + 29 * c2 - c3); \ } while (0) int i; pixel *dst = (pixel *)_dst; ptrdiff_t stride = _stride / sizeof(pixel); int shift = 7; int add = 1 << (shift - 1); int16_t *src = coeffs; for (i = 0; i < 4; i++) { TR_4x4_LUMA(src, src, 4, SCALE); src++; } shift = 20 - BIT_DEPTH; add = 1 << (shift - 1); for (i = 0; i < 4; i++) { TR_4x4_LUMA(dst, coeffs, 1, ADD_AND_SCALE); coeffs += 4; dst += stride; } #undef TR_4x4_LUMA } #define TR_4(dst, src, dstep, sstep, assign) \ do { \ const int e0 = transform[8*0][0] * src[0*sstep] + \ transform[8*2][0] * src[2*sstep]; \ const int e1 = transform[8*0][1] * src[0*sstep] + \ transform[8*2][1] * src[2*sstep]; \ const int o0 = transform[8*1][0] * src[1*sstep] + \ transform[8*3][0] * src[3*sstep]; \ const int o1 = transform[8*1][1] * src[1*sstep] + \ transform[8*3][1] * src[3*sstep]; \ \ assign(dst[0*dstep], e0 + o0); \ assign(dst[1*dstep], e1 + o1); \ assign(dst[2*dstep], e1 - o1); \ assign(dst[3*dstep], e0 - o0); \ } while (0) #define TR_4_1(dst, src) TR_4(dst, src, 4, 4, SCALE) #define TR_4_2(dst, src) TR_4(dst, src, 1, 1, ADD_AND_SCALE) static void FUNC(transform_4x4_add)(uint8_t *_dst, int16_t *coeffs, ptrdiff_t _stride) { int i; pixel *dst = (pixel *)_dst; ptrdiff_t stride = _stride / sizeof(pixel); int shift = 7; int add = 1 << (shift - 1); int16_t *src = coeffs; for (i = 0; i < 4; i++) { TR_4_1(src, src); src++; } shift = 20 - BIT_DEPTH; add = 1 << (shift - 1); for (i = 0; i < 4; i++) { TR_4_2(dst, coeffs); coeffs += 4; dst += stride; } } #define TR_8(dst, src, dstep, sstep, assign) \ do { \ int i, j; \ int e_8[4]; \ int o_8[4] = { 0 }; \ for (i = 0; i < 4; i++) \ for (j = 1; j < 8; j += 2) \ o_8[i] += transform[4 * j][i] * src[j * sstep]; \ TR_4(e_8, src, 1, 2 * sstep, SET); \ \ for (i = 0; i < 4; i++) { \ assign(dst[i * dstep], e_8[i] + o_8[i]); \ assign(dst[(7 - i) * dstep], e_8[i] - o_8[i]); \ } \ } while (0) #define TR_16(dst, src, dstep, sstep, assign) \ do { \ int i, j; \ int e_16[8]; \ int o_16[8] = { 0 }; \ for (i = 0; i < 8; i++) \ for (j = 1; j < 16; j += 2) \ o_16[i] += transform[2 * j][i] * src[j * sstep]; \ TR_8(e_16, src, 1, 2 * sstep, SET); \ \ for (i = 0; i < 8; i++) { \ assign(dst[i * dstep], e_16[i] + o_16[i]); \ assign(dst[(15 - i) * dstep], e_16[i] - o_16[i]); \ } \ } while (0) #define TR_32(dst, src, dstep, sstep, assign) \ do { \ int i, j; \ int e_32[16]; \ int o_32[16] = { 0 }; \ for (i = 0; i < 16; i++) \ for (j = 1; j < 32; j += 2) \ o_32[i] += transform[j][i] * src[j * sstep]; \ TR_16(e_32, src, 1, 2 * sstep, SET); \ \ for (i = 0; i < 16; i++) { \ assign(dst[i * dstep], e_32[i] + o_32[i]); \ assign(dst[(31 - i) * dstep], e_32[i] - o_32[i]); \ } \ } while (0) #define TR_8_1(dst, src) TR_8(dst, src, 8, 8, SCALE) #define TR_16_1(dst, src) TR_16(dst, src, 16, 16, SCALE) #define TR_32_1(dst, src) TR_32(dst, src, 32, 32, SCALE) #define TR_8_2(dst, src) TR_8(dst, src, 1, 1, ADD_AND_SCALE) #define TR_16_2(dst, src) TR_16(dst, src, 1, 1, ADD_AND_SCALE) #define TR_32_2(dst, src) TR_32(dst, src, 1, 1, ADD_AND_SCALE) static void FUNC(transform_8x8_add)(uint8_t *_dst, int16_t *coeffs, ptrdiff_t _stride) { int i; pixel *dst = (pixel *)_dst; ptrdiff_t stride = _stride / sizeof(pixel); int shift = 7; int add = 1 << (shift - 1); int16_t *src = coeffs; for (i = 0; i < 8; i++) { TR_8_1(src, src); src++; } shift = 20 - BIT_DEPTH; add = 1 << (shift - 1); for (i = 0; i < 8; i++) { TR_8_2(dst, coeffs); coeffs += 8; dst += stride; } } static void FUNC(transform_16x16_add)(uint8_t *_dst, int16_t *coeffs, ptrdiff_t _stride) { int i; pixel *dst = (pixel *)_dst; ptrdiff_t stride = _stride / sizeof(pixel); int shift = 7; int add = 1 << (shift - 1); int16_t *src = coeffs; for (i = 0; i < 16; i++) { TR_16_1(src, src); src++; } shift = 20 - BIT_DEPTH; add = 1 << (shift - 1); for (i = 0; i < 16; i++) { TR_16_2(dst, coeffs); coeffs += 16; dst += stride; } } static void FUNC(transform_32x32_add)(uint8_t *_dst, int16_t *coeffs, ptrdiff_t _stride) { #define IT32x32_even(i,w) ( src[ 0*w] * transform[ 0][i] ) + ( src[16*w] * transform[16][i] ) #define IT32x32_odd(i,w) ( src[ 8*w] * transform[ 8][i] ) + ( src[24*w] * transform[24][i] ) #define IT16x16(i,w) ( src[ 4*w] * transform[ 4][i] ) + ( src[12*w] * transform[12][i] ) + ( src[20*w] * transform[20][i] ) + ( src[28*w] * transform[28][i] ) #define IT8x8(i,w) ( src[ 2*w] * transform[ 2][i] ) + ( src[ 6*w] * transform[ 6][i] ) + ( src[10*w] * transform[10][i] ) + ( src[14*w] * transform[14][i] ) + \ ( src[18*w] * transform[18][i] ) + ( src[22*w] * transform[22][i] ) + ( src[26*w] * transform[26][i] ) + ( src[30*w] * transform[30][i] ) #define IT4x4(i,w) ( src[ 1*w] * transform[ 1][i] ) + ( src[ 3*w] * transform[ 3][i] ) + ( src[ 5*w] * transform[ 5][i] ) + ( src[ 7*w] * transform[ 7][i] ) + \ ( src[ 9*w] * transform[ 9][i] ) + ( src[11*w] * transform[11][i] ) + ( src[13*w] * transform[13][i] ) + ( src[15*w] * transform[15][i] ) + \ ( src[17*w] * transform[17][i] ) + ( src[19*w] * transform[19][i] ) + ( src[21*w] * transform[21][i] ) + ( src[23*w] * transform[23][i] ) + \ ( src[25*w] * transform[25][i] ) + ( src[27*w] * transform[27][i] ) + ( src[29*w] * transform[29][i] ) + ( src[31*w] * transform[31][i] ) int i; pixel *dst = (pixel *)_dst; ptrdiff_t stride = _stride / sizeof(pixel); int shift = 7; int add = 1 << (shift - 1); int16_t *src = coeffs; for (i = 0; i < 32; i++) { TR_32_1(src, src); src++; } src = coeffs; shift = 20 - BIT_DEPTH; add = 1 << (shift - 1); for (i = 0; i < 32; i++) { TR_32_2(dst, coeffs); coeffs += 32; dst += stride; } #undef IT32x32_even #undef IT32x32_odd #undef IT16x16 #undef IT8x8 #undef IT4x4 } static void FUNC(sao_band_filter)(uint8_t *_dst, uint8_t *_src, ptrdiff_t _stride, SAOParams *sao, int *borders, int width, int height, int c_idx, int class) { pixel *dst = (pixel *)_dst; pixel *src = (pixel *)_src; ptrdiff_t stride = _stride / sizeof(pixel); int offset_table[32] = { 0 }; int k, y, x; int chroma = !!c_idx; int shift = BIT_DEPTH - 5; int *sao_offset_val = sao->offset_val[c_idx]; int sao_left_class = sao->band_position[c_idx]; int init_y = 0, init_x = 0; switch (class) { case 0: if (!borders[2]) width -= ((8 >> chroma) + 2); if (!borders[3]) height -= ((4 >> chroma) + 2); break; case 1: init_y = -(4 >> chroma) - 2; if (!borders[2]) width -= ((8 >> chroma) + 2); height = (4 >> chroma) + 2; break; case 2: init_x = -(8 >> chroma) - 2; width = (8 >> chroma) + 2; if (!borders[3]) height -= ((4 >> chroma) + 2); break; case 3: init_y = -(4 >> chroma) - 2; init_x = -(8 >> chroma) - 2; width = (8 >> chroma) + 2; height = (4 >> chroma) + 2; break; } dst = dst + (init_y * stride + init_x); src = src + (init_y * stride + init_x); for (k = 0; k < 4; k++) offset_table[(k + sao_left_class) & 31] = sao_offset_val[k + 1]; for (y = 0; y < height; y++) { for (x = 0; x < width; x++) dst[x] = av_clip_pixel(src[x] + offset_table[av_clip_pixel(src[x] >> shift)]); dst += stride; src += stride; } } static void FUNC(sao_band_filter_0)(uint8_t *dst, uint8_t *src, ptrdiff_t stride, SAOParams *sao, int *borders, int width, int height, int c_idx) { FUNC(sao_band_filter)(dst, src, stride, sao, borders, width, height, c_idx, 0); } static void FUNC(sao_band_filter_1)(uint8_t *dst, uint8_t *src, ptrdiff_t stride, SAOParams *sao, int *borders, int width, int height, int c_idx) { FUNC(sao_band_filter)(dst, src, stride, sao, borders, width, height, c_idx, 1); } static void FUNC(sao_band_filter_2)(uint8_t *dst, uint8_t *src, ptrdiff_t stride, SAOParams *sao, int *borders, int width, int height, int c_idx) { FUNC(sao_band_filter)(dst, src, stride, sao, borders, width, height, c_idx, 2); } static void FUNC(sao_band_filter_3)(uint8_t *_dst, uint8_t *_src, ptrdiff_t _stride, SAOParams *sao, int *borders, int width, int height, int c_idx) { FUNC(sao_band_filter)(_dst, _src, _stride, sao, borders, width, height, c_idx, 3); } static void FUNC(sao_edge_filter_0)(uint8_t *_dst, uint8_t *_src, ptrdiff_t _stride, SAOParams *sao, int *borders, int _width, int _height, int c_idx, uint8_t vert_edge, uint8_t horiz_edge, uint8_t diag_edge) { int x, y; pixel *dst = (pixel *)_dst; pixel *src = (pixel *)_src; ptrdiff_t stride = _stride / sizeof(pixel); int chroma = !!c_idx; int *sao_offset_val = sao->offset_val[c_idx]; int sao_eo_class = sao->eo_class[c_idx]; static const int8_t pos[4][2][2] = { { { -1, 0 }, { 1, 0 } }, // horizontal { { 0, -1 }, { 0, 1 } }, // vertical { { -1, -1 }, { 1, 1 } }, // 45 degree { { 1, -1 }, { -1, 1 } }, // 135 degree }; static const uint8_t edge_idx[] = { 1, 2, 0, 3, 4 }; int init_x = 0, init_y = 0, width = _width, height = _height; #define CMP(a, b) ((a) > (b) ? 1 : ((a) == (b) ? 0 : -1)) if (!borders[2]) width -= (8 >> chroma) + 2; if (!borders[3]) height -= (4 >> chroma) + 2; dst = dst + (init_y * stride + init_x); src = src + (init_y * stride + init_x); init_y = init_x = 0; if (sao_eo_class != SAO_EO_VERT) { if (borders[0]) { int offset_val = sao_offset_val[0]; int y_stride = 0; for (y = 0; y < height; y++) { dst[y_stride] = av_clip_pixel(src[y_stride] + offset_val); y_stride += stride; } init_x = 1; } if (borders[2]) { int offset_val = sao_offset_val[0]; int x_stride = width - 1; for (x = 0; x < height; x++) { dst[x_stride] = av_clip_pixel(src[x_stride] + offset_val); x_stride += stride; } width--; } } if (sao_eo_class != SAO_EO_HORIZ) { if (borders[1]) { int offset_val = sao_offset_val[0]; for (x = init_x; x < width; x++) dst[x] = av_clip_pixel(src[x] + offset_val); init_y = 1; } if (borders[3]) { int offset_val = sao_offset_val[0]; int y_stride = stride * (height - 1); for (x = init_x; x < width; x++) dst[x + y_stride] = av_clip_pixel(src[x + y_stride] + offset_val); height--; } } { int y_stride = init_y * stride; int pos_0_0 = pos[sao_eo_class][0][0]; int pos_0_1 = pos[sao_eo_class][0][1]; int pos_1_0 = pos[sao_eo_class][1][0]; int pos_1_1 = pos[sao_eo_class][1][1]; int y_stride_0_1 = (init_y + pos_0_1) * stride; int y_stride_1_1 = (init_y + pos_1_1) * stride; for (y = init_y; y < height; y++) { for (x = init_x; x < width; x++) { int diff0 = CMP(src[x + y_stride], src[x + pos_0_0 + y_stride_0_1]); int diff1 = CMP(src[x + y_stride], src[x + pos_1_0 + y_stride_1_1]); int offset_val = edge_idx[2 + diff0 + diff1]; dst[x + y_stride] = av_clip_pixel(src[x + y_stride] + sao_offset_val[offset_val]); } y_stride += stride; y_stride_0_1 += stride; y_stride_1_1 += stride; } } { // Restore pixels that can't be modified int save_upper_left = !diag_edge && sao_eo_class == SAO_EO_135D && !borders[0] && !borders[1]; if (vert_edge && sao_eo_class != SAO_EO_VERT) for (y = init_y+save_upper_left; y< height; y++) dst[y*stride] = src[y*stride]; if(horiz_edge && sao_eo_class != SAO_EO_HORIZ) for(x = init_x+save_upper_left; xoffset_val[c_idx]; int sao_eo_class = sao->eo_class[c_idx]; static const int8_t pos[4][2][2] = { { { -1, 0 }, { 1, 0 } }, // horizontal { { 0, -1 }, { 0, 1 } }, // vertical { { -1, -1 }, { 1, 1 } }, // 45 degree { { 1, -1 }, { -1, 1 } }, // 135 degree }; static const uint8_t edge_idx[] = { 1, 2, 0, 3, 4 }; int init_x = 0, init_y = 0, width = _width, height = _height; #define CMP(a, b) ((a) > (b) ? 1 : ((a) == (b) ? 0 : -1)) init_y = -(4 >> chroma) - 2; if (!borders[2]) width -= (8 >> chroma) + 2; height = (4 >> chroma) + 2; dst = dst + (init_y * stride + init_x); src = src + (init_y * stride + init_x); init_y = init_x = 0; if (sao_eo_class != SAO_EO_VERT) { if (borders[0]) { int offset_val = sao_offset_val[0]; int y_stride = 0; for (y = 0; y < height; y++) { dst[y_stride] = av_clip_pixel(src[y_stride] + offset_val); y_stride += stride; } init_x = 1; } if (borders[2]) { int offset_val = sao_offset_val[0]; int x_stride = width - 1; for (x = 0; x < height; x++) { dst[x_stride] = av_clip_pixel(src[x_stride] + offset_val); x_stride += stride; } width--; } } { int y_stride = init_y * stride; int pos_0_0 = pos[sao_eo_class][0][0]; int pos_0_1 = pos[sao_eo_class][0][1]; int pos_1_0 = pos[sao_eo_class][1][0]; int pos_1_1 = pos[sao_eo_class][1][1]; int y_stride_0_1 = (init_y + pos_0_1) * stride; int y_stride_1_1 = (init_y + pos_1_1) * stride; for (y = init_y; y < height; y++) { for (x = init_x; x < width; x++) { int diff0 = CMP(src[x + y_stride], src[x + pos_0_0 + y_stride_0_1]); int diff1 = CMP(src[x + y_stride], src[x + pos_1_0 + y_stride_1_1]); int offset_val = edge_idx[2 + diff0 + diff1]; dst[x + y_stride] = av_clip_pixel(src[x + y_stride] + sao_offset_val[offset_val]); } y_stride += stride; y_stride_0_1 += stride; y_stride_1_1 += stride; } } { // Restore pixels that can't be modified int save_lower_left = !diag_edge && sao_eo_class == SAO_EO_45D && !borders[0]; if(vert_edge && sao_eo_class != SAO_EO_VERT) for(y = init_y; y< height-save_lower_left; y++) dst[y*stride] = src[y*stride]; if(horiz_edge && sao_eo_class != SAO_EO_HORIZ) for(x = init_x+save_lower_left; xoffset_val[c_idx]; int sao_eo_class = sao->eo_class[c_idx]; static const int8_t pos[4][2][2] = { { { -1, 0 }, { 1, 0 } }, // horizontal { { 0, -1 }, { 0, 1 } }, // vertical { { -1, -1 }, { 1, 1 } }, // 45 degree { { 1, -1 }, { -1, 1 } }, // 135 degree }; static const uint8_t edge_idx[] = { 1, 2, 0, 3, 4 }; int init_x = 0, init_y = 0, width = _width, height = _height; #define CMP(a, b) ((a) > (b) ? 1 : ((a) == (b) ? 0 : -1)) init_x = -(8 >> chroma) - 2; width = (8 >> chroma) + 2; if (!borders[3]) height -= (4 >> chroma) + 2; dst = dst + (init_y * stride + init_x); src = src + (init_y * stride + init_x); init_y = init_x = 0; if (sao_eo_class != SAO_EO_HORIZ) { if (borders[1]) { int offset_val = sao_offset_val[0]; for (x = init_x; x < width; x++) dst[x] = av_clip_pixel(src[x] + offset_val); init_y = 1; } if (borders[3]) { int offset_val = sao_offset_val[0]; int y_stride = stride * (height - 1); for (x = init_x; x < width; x++) dst[x + y_stride] = av_clip_pixel(src[x + y_stride] + offset_val); height--; } } { int y_stride = init_y * stride; int pos_0_0 = pos[sao_eo_class][0][0]; int pos_0_1 = pos[sao_eo_class][0][1]; int pos_1_0 = pos[sao_eo_class][1][0]; int pos_1_1 = pos[sao_eo_class][1][1]; int y_stride_0_1 = (init_y + pos_0_1) * stride; int y_stride_1_1 = (init_y + pos_1_1) * stride; for (y = init_y; y < height; y++) { for (x = init_x; x < width; x++) { int diff0 = CMP(src[x + y_stride], src[x + pos_0_0 + y_stride_0_1]); int diff1 = CMP(src[x + y_stride], src[x + pos_1_0 + y_stride_1_1]); int offset_val = edge_idx[2 + diff0 + diff1]; dst[x + y_stride] = av_clip_pixel(src[x + y_stride] + sao_offset_val[offset_val]); } y_stride += stride; y_stride_0_1 += stride; y_stride_1_1 += stride; } } { // Restore pixels that can't be modified int save_upper_right = !diag_edge && sao_eo_class == SAO_EO_45D && !borders[1]; if(vert_edge && sao_eo_class != SAO_EO_VERT) for(y = init_y+save_upper_right; y< height; y++) dst[y*stride+width-1] = src[y*stride+width-1]; if(horiz_edge && sao_eo_class != SAO_EO_HORIZ) for(x = init_x; xoffset_val[c_idx]; int sao_eo_class = sao->eo_class[c_idx]; static const int8_t pos[4][2][2] = { { { -1, 0 }, { 1, 0 } }, // horizontal { { 0, -1 }, { 0, 1 } }, // vertical { { -1, -1 }, { 1, 1 } }, // 45 degree { { 1, -1 }, { -1, 1 } }, // 135 degree }; static const uint8_t edge_idx[] = { 1, 2, 0, 3, 4 }; int init_x = 0, init_y = 0, width = _width, height = _height; #define CMP(a, b) ((a) > (b) ? 1 : ((a) == (b) ? 0 : -1)) init_y = -(4 >> chroma) - 2; init_x = -(8 >> chroma) - 2; width = (8 >> chroma) + 2; height = (4 >> chroma) + 2; dst = dst + (init_y * stride + init_x); src = src + (init_y * stride + init_x); init_y = init_x = 0; { int y_stride = init_y * stride; int pos_0_0 = pos[sao_eo_class][0][0]; int pos_0_1 = pos[sao_eo_class][0][1]; int pos_1_0 = pos[sao_eo_class][1][0]; int pos_1_1 = pos[sao_eo_class][1][1]; int y_stride_0_1 = (init_y + pos_0_1) * stride; int y_stride_1_1 = (init_y + pos_1_1) * stride; for (y = init_y; y < height; y++) { for (x = init_x; x < width; x++) { int diff0 = CMP(src[x + y_stride], src[x + pos_0_0 + y_stride_0_1]); int diff1 = CMP(src[x + y_stride], src[x + pos_1_0 + y_stride_1_1]); int offset_val = edge_idx[2 + diff0 + diff1]; dst[x + y_stride] = av_clip_pixel(src[x + y_stride] + sao_offset_val[offset_val]); } y_stride += stride; y_stride_0_1 += stride; y_stride_1_1 += stride; } } { // Restore pixels that can't be modified int save_lower_right = !diag_edge && sao_eo_class == SAO_EO_135D; if(vert_edge && sao_eo_class != SAO_EO_VERT) for(y = init_y; y< height-save_lower_right; y++) dst[y*stride+width-1] = src[y*stride+width-1]; if(horiz_edge && sao_eo_class != SAO_EO_HORIZ) for(x = init_x; x> (BIT_DEPTH - 8); \ src += srcstride; \ dst += dststride; \ } \ } #define PUT_HEVC_QPEL_V(V) \ static void FUNC(put_hevc_qpel_v ## V)(int16_t *dst, ptrdiff_t dststride, \ uint8_t *_src, ptrdiff_t _srcstride, \ int width, int height, \ int16_t* mcbuffer) \ { \ int x, y; \ pixel *src = (pixel*)_src; \ ptrdiff_t srcstride = _srcstride / sizeof(pixel); \ \ for (y = 0; y < height; y++) { \ for (x = 0; x < width; x++) \ dst[x] = QPEL_FILTER_ ## V(src, srcstride) >> (BIT_DEPTH - 8); \ src += srcstride; \ dst += dststride; \ } \ } #define PUT_HEVC_QPEL_HV(H, V) \ static void FUNC(put_hevc_qpel_h ## H ## v ## V)(int16_t *dst, ptrdiff_t dststride, \ uint8_t *_src, ptrdiff_t _srcstride,\ int width, int height, \ int16_t* mcbuffer) \ { \ int x, y; \ pixel *src = (pixel*)_src; \ ptrdiff_t srcstride = _srcstride / sizeof(pixel); \ \ int16_t tmp_array[(MAX_PB_SIZE + 7) * MAX_PB_SIZE]; \ int16_t *tmp = tmp_array; \ \ src -= ff_hevc_qpel_extra_before[V] * srcstride; \ \ for (y = 0; y < height + ff_hevc_qpel_extra[V]; y++) { \ for (x = 0; x < width; x++) \ tmp[x] = QPEL_FILTER_ ## H(src, 1) >> (BIT_DEPTH - 8); \ src += srcstride; \ tmp += MAX_PB_SIZE; \ } \ \ tmp = tmp_array + ff_hevc_qpel_extra_before[V] * MAX_PB_SIZE; \ \ for (y = 0; y < height; y++) { \ for (x = 0; x < width; x++) \ dst[x] = QPEL_FILTER_ ## V(tmp, MAX_PB_SIZE) >> 6; \ tmp += MAX_PB_SIZE; \ dst += dststride; \ } \ } PUT_HEVC_QPEL_H(1) PUT_HEVC_QPEL_H(2) PUT_HEVC_QPEL_H(3) PUT_HEVC_QPEL_V(1) PUT_HEVC_QPEL_V(2) PUT_HEVC_QPEL_V(3) PUT_HEVC_QPEL_HV(1, 1) PUT_HEVC_QPEL_HV(1, 2) PUT_HEVC_QPEL_HV(1, 3) PUT_HEVC_QPEL_HV(2, 1) PUT_HEVC_QPEL_HV(2, 2) PUT_HEVC_QPEL_HV(2, 3) PUT_HEVC_QPEL_HV(3, 1) PUT_HEVC_QPEL_HV(3, 2) PUT_HEVC_QPEL_HV(3, 3) static void FUNC(put_hevc_epel_pixels)(int16_t *dst, ptrdiff_t dststride, uint8_t *_src, ptrdiff_t _srcstride, int width, int height, int mx, int my, int16_t* mcbuffer) { int x, y; pixel *src = (pixel *)_src; ptrdiff_t srcstride = _srcstride / sizeof(pixel); for (y = 0; y < height; y++) { for (x = 0; x < width; x++) dst[x] = src[x] << (14 - BIT_DEPTH); src += srcstride; dst += dststride; } } #define EPEL_FILTER(src, stride) \ (filter_0 * src[x - stride] + filter_1 * src[x] + filter_2 * src[x + stride] + filter_3 * src[x + 2 * stride]) static void FUNC(put_hevc_epel_h)(int16_t *dst, ptrdiff_t dststride, uint8_t *_src, ptrdiff_t _srcstride, int width, int height, int mx, int my, int16_t* mcbuffer) { int x, y; pixel *src = (pixel *)_src; ptrdiff_t srcstride = _srcstride / sizeof(pixel); const int8_t *filter = ff_hevc_epel_filters[mx - 1]; int8_t filter_0 = filter[0]; int8_t filter_1 = filter[1]; int8_t filter_2 = filter[2]; int8_t filter_3 = filter[3]; for (y = 0; y < height; y++) { for (x = 0; x < width; x++) dst[x] = EPEL_FILTER(src, 1) >> (BIT_DEPTH - 8); src += srcstride; dst += dststride; } } static void FUNC(put_hevc_epel_v)(int16_t *dst, ptrdiff_t dststride, uint8_t *_src, ptrdiff_t _srcstride, int width, int height, int mx, int my, int16_t* mcbuffer) { int x, y; pixel *src = (pixel *)_src; ptrdiff_t srcstride = _srcstride / sizeof(pixel); const int8_t *filter = ff_hevc_epel_filters[my - 1]; int8_t filter_0 = filter[0]; int8_t filter_1 = filter[1]; int8_t filter_2 = filter[2]; int8_t filter_3 = filter[3]; for (y = 0; y < height; y++) { for (x = 0; x < width; x++) dst[x] = EPEL_FILTER(src, srcstride) >> (BIT_DEPTH - 8); src += srcstride; dst += dststride; } } static void FUNC(put_hevc_epel_hv)(int16_t *dst, ptrdiff_t dststride, uint8_t *_src, ptrdiff_t _srcstride, int width, int height, int mx, int my, int16_t* mcbuffer) { int x, y; pixel *src = (pixel *)_src; ptrdiff_t srcstride = _srcstride / sizeof(pixel); const int8_t *filter_h = ff_hevc_epel_filters[mx - 1]; const int8_t *filter_v = ff_hevc_epel_filters[my - 1]; int8_t filter_0 = filter_h[0]; int8_t filter_1 = filter_h[1]; int8_t filter_2 = filter_h[2]; int8_t filter_3 = filter_h[3]; int16_t tmp_array[(MAX_PB_SIZE + 3) * MAX_PB_SIZE]; int16_t *tmp = tmp_array; src -= EPEL_EXTRA_BEFORE * srcstride; for (y = 0; y < height + EPEL_EXTRA; y++) { for (x = 0; x < width; x++) tmp[x] = EPEL_FILTER(src, 1) >> (BIT_DEPTH - 8); src += srcstride; tmp += MAX_PB_SIZE; } tmp = tmp_array + EPEL_EXTRA_BEFORE * MAX_PB_SIZE; filter_0 = filter_v[0]; filter_1 = filter_v[1]; filter_2 = filter_v[2]; filter_3 = filter_v[3]; for (y = 0; y < height; y++) { for (x = 0; x < width; x++) dst[x] = EPEL_FILTER(tmp, MAX_PB_SIZE) >> 6; tmp += MAX_PB_SIZE; dst += dststride; } } static void FUNC(put_unweighted_pred)(uint8_t *_dst, ptrdiff_t _dststride, int16_t *src, ptrdiff_t srcstride, int width, int height) { int x, y; pixel *dst = (pixel *)_dst; ptrdiff_t dststride = _dststride / sizeof(pixel); int shift = 14 - BIT_DEPTH; #if BIT_DEPTH < 14 int offset = 1 << (shift - 1); #else int offset = 0; #endif for (y = 0; y < height; y++) { for (x = 0; x < width; x++) dst[x] = av_clip_pixel((src[x] + offset) >> shift); dst += dststride; src += srcstride; } } static void FUNC(put_weighted_pred_avg)(uint8_t *_dst, ptrdiff_t _dststride, int16_t *src1, int16_t *src2, ptrdiff_t srcstride, int width, int height) { int x, y; pixel *dst = (pixel *)_dst; ptrdiff_t dststride = _dststride / sizeof(pixel); int shift = 14 + 1 - BIT_DEPTH; #if BIT_DEPTH < 14 int offset = 1 << (shift - 1); #else int offset = 0; #endif for (y = 0; y < height; y++) { for (x = 0; x < width; x++) dst[x] = av_clip_pixel((src1[x] + src2[x] + offset) >> shift); dst += dststride; src1 += srcstride; src2 += srcstride; } } static void FUNC(weighted_pred)(uint8_t denom, int16_t wlxFlag, int16_t olxFlag, uint8_t *_dst, ptrdiff_t _dststride, int16_t *src, ptrdiff_t srcstride, int width, int height) { int shift; int log2Wd; int wx; int ox; int x, y; int offset; pixel *dst = (pixel *)_dst; ptrdiff_t dststride = _dststride / sizeof(pixel); shift = 14 - BIT_DEPTH; log2Wd = denom + shift; offset = 1 << (log2Wd - 1); wx = wlxFlag; ox = olxFlag * (1 << (BIT_DEPTH - 8)); for (y = 0; y < height; y++) { for (x = 0; x < width; x++) { if (log2Wd >= 1) { dst[x] = av_clip_pixel(((src[x] * wx + offset) >> log2Wd) + ox); } else { dst[x] = av_clip_pixel(src[x] * wx + ox); } } dst += dststride; src += srcstride; } } static void FUNC(weighted_pred_avg)(uint8_t denom, int16_t wl0Flag, int16_t wl1Flag, int16_t ol0Flag, int16_t ol1Flag, uint8_t *_dst, ptrdiff_t _dststride, int16_t *src1, int16_t *src2, ptrdiff_t srcstride, int width, int height) { int shift; int log2Wd; int w0; int w1; int o0; int o1; int x, y; pixel *dst = (pixel *)_dst; ptrdiff_t dststride = _dststride / sizeof(pixel); shift = 14 - BIT_DEPTH; log2Wd = denom + shift; w0 = wl0Flag; w1 = wl1Flag; o0 = ol0Flag * (1 << (BIT_DEPTH - 8)); o1 = ol1Flag * (1 << (BIT_DEPTH - 8)); for (y = 0; y < height; y++) { for (x = 0; x < width; x++) dst[x] = av_clip_pixel((src1[x] * w0 + src2[x] * w1 + ((o0 + o1 + 1) << log2Wd)) >> (log2Wd + 1)); dst += dststride; src1 += srcstride; src2 += srcstride; } } // line zero #define P3 pix[-4 * xstride] #define P2 pix[-3 * xstride] #define P1 pix[-2 * xstride] #define P0 pix[-xstride] #define Q0 pix[0] #define Q1 pix[xstride] #define Q2 pix[2 * xstride] #define Q3 pix[3 * xstride] // line three. used only for deblocking decision #define TP3 pix[-4 * xstride + 3 * ystride] #define TP2 pix[-3 * xstride + 3 * ystride] #define TP1 pix[-2 * xstride + 3 * ystride] #define TP0 pix[-xstride + 3 * ystride] #define TQ0 pix[3 * ystride] #define TQ1 pix[xstride + 3 * ystride] #define TQ2 pix[2 * xstride + 3 * ystride] #define TQ3 pix[3 * xstride + 3 * ystride] static void FUNC(hevc_loop_filter_luma)(uint8_t *_pix, ptrdiff_t _xstride, ptrdiff_t _ystride, int *_beta, int *_tc, uint8_t *_no_p, uint8_t *_no_q) { int d, j; pixel *pix = (pixel *)_pix; ptrdiff_t xstride = _xstride / sizeof(pixel); ptrdiff_t ystride = _ystride / sizeof(pixel); for (j = 0; j < 2; j++) { const int dp0 = abs(P2 - 2 * P1 + P0); const int dq0 = abs(Q2 - 2 * Q1 + Q0); const int dp3 = abs(TP2 - 2 * TP1 + TP0); const int dq3 = abs(TQ2 - 2 * TQ1 + TQ0); const int d0 = dp0 + dq0; const int d3 = dp3 + dq3; int beta = _beta[j] << (BIT_DEPTH - 8); const int tc = _tc[j] << (BIT_DEPTH - 8); const int no_p = _no_p[j]; const int no_q = _no_q[j]; if (d0 + d3 >= beta /*|| tc <= 0*/) { pix += 4 * ystride; continue; } else { const int beta_3 = beta >> 3; const int beta_2 = beta >> 2; const int tc25 = ((tc * 5 + 1) >> 1); if (abs(P3 - P0) + abs(Q3 - Q0) < beta_3 && abs(P0 - Q0) < tc25 && abs(TP3 - TP0) + abs(TQ3 - TQ0) < beta_3 && abs(TP0 - TQ0) < tc25 && (d0 << 1) < beta_2 && (d3 << 1) < beta_2) { // strong filtering const int tc2 = tc << 1; for (d = 0; d < 4; d++) { const int p3 = P3; const int p2 = P2; const int p1 = P1; const int p0 = P0; const int q0 = Q0; const int q1 = Q1; const int q2 = Q2; const int q3 = Q3; if (!no_p) { P0 = p0 + av_clip(((p2 + 2 * p1 + 2 * p0 + 2 * q0 + q1 + 4) >> 3) - p0, -tc2, tc2); P1 = p1 + av_clip(((p2 + p1 + p0 + q0 + 2) >> 2) - p1, -tc2, tc2); P2 = p2 + av_clip(((2 * p3 + 3 * p2 + p1 + p0 + q0 + 4) >> 3) - p2, -tc2, tc2); } if (!no_q) { Q0 = q0 + av_clip(((p1 + 2 * p0 + 2 * q0 + 2 * q1 + q2 + 4) >> 3) - q0, -tc2, tc2); Q1 = q1 + av_clip(((p0 + q0 + q1 + q2 + 2) >> 2) - q1, -tc2, tc2); Q2 = q2 + av_clip(((2 * q3 + 3 * q2 + q1 + q0 + p0 + 4) >> 3) - q2, -tc2, tc2); } pix += ystride; } } else { // normal filtering int nd_p = 1; int nd_q = 1; const int tc_2 = tc >> 1; if (dp0 + dp3 < ((beta + (beta >> 1)) >> 3)) nd_p = 2; if (dq0 + dq3 < ((beta + (beta >> 1)) >> 3)) nd_q = 2; for (d = 0; d < 4; d++) { const int p2 = P2; const int p1 = P1; const int p0 = P0; const int q0 = Q0; const int q1 = Q1; const int q2 = Q2; int delta0 = (9 * (q0 - p0) - 3 * (q1 - p1) + 8) >> 4; if (abs(delta0) < 10 * tc) { delta0 = av_clip(delta0, -tc, tc); if (!no_p) P0 = av_clip_pixel(p0 + delta0); if (!no_q) Q0 = av_clip_pixel(q0 - delta0); if (!no_p && nd_p > 1) { const int deltap1 = av_clip((((p2 + p0 + 1) >> 1) - p1 + delta0) >> 1, -tc_2, tc_2); P1 = av_clip_pixel(p1 + deltap1); } if (!no_q && nd_q > 1) { const int deltaq1 = av_clip((((q2 + q0 + 1) >> 1) - q1 - delta0) >> 1, -tc_2, tc_2); Q1 = av_clip_pixel(q1 + deltaq1); } } pix += ystride; } } } } } static void FUNC(hevc_loop_filter_chroma)(uint8_t *_pix, ptrdiff_t _xstride, ptrdiff_t _ystride, int *_tc, uint8_t *_no_p, uint8_t *_no_q) { int d, j; int no_p, no_q; pixel *pix = (pixel *)_pix; ptrdiff_t xstride = _xstride / sizeof(pixel); ptrdiff_t ystride = _ystride / sizeof(pixel); for (j = 0; j < 2; j++) { const int tc = _tc[j] << (BIT_DEPTH - 8); if (tc <= 0) { pix += 4 * ystride; continue; } no_p = _no_p[j]; no_q = _no_q[j]; for (d = 0; d < 4; d++) { int delta0; const int p1 = P1; const int p0 = P0; const int q0 = Q0; const int q1 = Q1; delta0 = av_clip((((q0 - p0) << 2) + p1 - q1 + 4) >> 3, -tc, tc); if (!no_p) P0 = av_clip_pixel(p0 + delta0); if (!no_q) Q0 = av_clip_pixel(q0 - delta0); pix += ystride; } } } static void FUNC(hevc_h_loop_filter_chroma)(uint8_t *pix, ptrdiff_t stride, int *tc, uint8_t *no_p, uint8_t *no_q) { FUNC(hevc_loop_filter_chroma)(pix, stride, sizeof(pixel), tc, no_p, no_q); } static void FUNC(hevc_v_loop_filter_chroma)(uint8_t *pix, ptrdiff_t stride, int *tc, uint8_t *no_p, uint8_t *no_q) { FUNC(hevc_loop_filter_chroma)(pix, sizeof(pixel), stride, tc, no_p, no_q); } static void FUNC(hevc_h_loop_filter_luma)(uint8_t *pix, ptrdiff_t stride, int *beta, int *tc, uint8_t *no_p, uint8_t *no_q) { FUNC(hevc_loop_filter_luma)(pix, stride, sizeof(pixel), beta, tc, no_p, no_q); } static void FUNC(hevc_v_loop_filter_luma)(uint8_t *pix, ptrdiff_t stride, int *beta, int *tc, uint8_t *no_p, uint8_t *no_q) { FUNC(hevc_loop_filter_luma)(pix, sizeof(pixel), stride, beta, tc, no_p, no_q); } #undef P3 #undef P2 #undef P1 #undef P0 #undef Q0 #undef Q1 #undef Q2 #undef Q3 #undef TP3 #undef TP2 #undef TP1 #undef TP0 #undef TQ0 #undef TQ1 #undef TQ2 #undef TQ3