| 0,0 → 1,1338 |
|---|
| /* |
| * 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; x<width; x++) |
| dst[x] = src[x]; |
| if(diag_edge && sao_eo_class == SAO_EO_135D) |
| dst[0] = src[0]; |
| } |
| |
| #undef CMP |
| } |
| |
| static void FUNC(sao_edge_filter_1)(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)) |
| |
| 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; x<width; x++) |
| dst[(height-1)*stride+x] = src[(height-1)*stride+x]; |
| if(diag_edge && sao_eo_class == SAO_EO_45D) |
| dst[stride*(height-1)] = src[stride*(height-1)]; |
| } |
| |
| #undef CMP |
| } |
| |
| static void FUNC(sao_edge_filter_2)(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)) |
| |
| 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; x<width-save_upper_right; x++) |
| dst[x] = src[x]; |
| if(diag_edge && sao_eo_class == SAO_EO_45D) |
| dst[width-1] = src[width-1]; |
| } |
| #undef CMP |
| } |
| |
| static void FUNC(sao_edge_filter_3)(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)) |
| |
| 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<width-save_lower_right; x++) |
| dst[(height-1)*stride+x] = src[(height-1)*stride+x]; |
| if(diag_edge && sao_eo_class == SAO_EO_135D) |
| dst[stride*(height-1)+width-1] = src[stride*(height-1)+width-1]; |
| } |
| #undef CMP |
| } |
| |
| #undef SET |
| #undef SCALE |
| #undef ADD_AND_SCALE |
| #undef TR_4 |
| #undef TR_4_1 |
| #undef TR_4_2 |
| #undef TR_8 |
| #undef TR_8_1 |
| #undef TR_8_2 |
| #undef TR_16 |
| #undef TR_16_1 |
| #undef TR_16_2 |
| #undef TR_32 |
| #undef TR_32_1 |
| #undef TR_32_2 |
| |
| static void FUNC(put_hevc_qpel_pixels)(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] = src[x] << (14 - BIT_DEPTH); |
| src += srcstride; |
| dst += dststride; |
| } |
| } |
| |
| #define QPEL_FILTER_1(src, stride) \ |
| (-src[x-3*stride] + 4*src[x-2*stride] - 10*src[x-stride] + 58*src[x] + \ |
| 17*src[x+stride] - 5*src[x+2*stride] + 1*src[x+3*stride]) |
| #define QPEL_FILTER_2(src, stride) \ |
| (-src[x-3*stride] + 4*src[x-2*stride] - 11*src[x-stride] + 40*src[x] + \ |
| 40*src[x+stride] - 11*src[x+2*stride] + 4*src[x+3*stride] - src[x+4*stride]) |
| #define QPEL_FILTER_3(src, stride) \ |
| (src[x-2*stride] - 5*src[x-stride] + 17*src[x] + 58*src[x+stride] \ |
| - 10*src[x+2*stride] + 4*src[x+3*stride] - src[x+4*stride]) |
| |
| |
| #define PUT_HEVC_QPEL_H(H) \ |
| static void FUNC(put_hevc_qpel_h ## H)(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_ ## H (src, 1) >> (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 |