/* * 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 "hevcdec.h" #include "bit_depth_template.c" #include "dsp.h" #include "h26x/h2656_sao_template.c" #include "h26x/h2656_inter_template.c" static void FUNC(put_pcm)(uint8_t *_dst, ptrdiff_t stride, int width, int height, GetBitContext *gb, int pcm_bit_depth) { int x, y; pixel *dst = (pixel *)_dst; stride /= sizeof(pixel); for (y = 0; y < height; y++) { for (x = 0; x < width; x++) dst[x] = get_bits(gb, pcm_bit_depth) << (BIT_DEPTH - pcm_bit_depth); dst += stride; } } static av_always_inline void FUNC(add_residual)(uint8_t *_dst, const int16_t *res, ptrdiff_t stride, int size) { int x, y; pixel *dst = (pixel *)_dst; stride /= sizeof(pixel); for (y = 0; y < size; y++) { for (x = 0; x < size; x++) { dst[x] = av_clip_pixel(dst[x] + *res); res++; } dst += stride; } } static void FUNC(add_residual4x4)(uint8_t *_dst, const int16_t *res, ptrdiff_t stride) { FUNC(add_residual)(_dst, res, stride, 4); } static void FUNC(add_residual8x8)(uint8_t *_dst, const int16_t *res, ptrdiff_t stride) { FUNC(add_residual)(_dst, res, stride, 8); } static void FUNC(add_residual16x16)(uint8_t *_dst, const int16_t *res, ptrdiff_t stride) { FUNC(add_residual)(_dst, res, stride, 16); } static void FUNC(add_residual32x32)(uint8_t *_dst, const int16_t *res, ptrdiff_t stride) { FUNC(add_residual)(_dst, res, stride, 32); } static void FUNC(transform_rdpcm)(int16_t *_coeffs, int16_t log2_size, int mode) { int16_t *coeffs = (int16_t *) _coeffs; int x, y; int size = 1 << log2_size; if (mode) { coeffs += size; for (y = 0; y < size - 1; y++) { for (x = 0; x < size; x++) coeffs[x] += coeffs[x - size]; coeffs += size; } } else { for (y = 0; y < size; y++) { for (x = 1; x < size; x++) coeffs[x] += coeffs[x - 1]; coeffs += size; } } } static void FUNC(dequant)(int16_t *coeffs, int16_t log2_size) { int shift = 15 - BIT_DEPTH - log2_size; int x, y; int size = 1 << log2_size; if (shift > 0) { int offset = 1 << (shift - 1); for (y = 0; y < size; y++) { for (x = 0; x < size; x++) { *coeffs = (*coeffs + offset) >> shift; coeffs++; } } } else { for (y = 0; y < size; y++) { for (x = 0; x < size; x++) { *coeffs = *(uint16_t*)coeffs << -shift; coeffs++; } } } } #define SET(dst, x) (dst) = (x) #define SCALE(dst, x) (dst) = av_clip_int16(((x) + add) >> shift) #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) static void FUNC(transform_4x4_luma)(int16_t *coeffs) { int i; 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(coeffs, coeffs, 1, SCALE); coeffs += 4; } } #undef TR_4x4_LUMA #define TR_4(dst, src, dstep, sstep, assign, end) \ do { \ const int e0 = 64 * src[0 * sstep] + 64 * src[2 * sstep]; \ const int e1 = 64 * src[0 * sstep] - 64 * src[2 * sstep]; \ const int o0 = 83 * src[1 * sstep] + 36 * src[3 * sstep]; \ const int o1 = 36 * src[1 * sstep] - 83 * 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_8(dst, src, dstep, sstep, assign, end) \ do { \ int i, j; \ int e_8[4]; \ int o_8[4] = { 0 }; \ for (i = 0; i < 4; i++) \ for (j = 1; j < end; j += 2) \ o_8[i] += transform[4 * j][i] * src[j * sstep]; \ TR_4(e_8, src, 1, 2 * sstep, SET, 4); \ \ 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, end) \ do { \ int i, j; \ int e_16[8]; \ int o_16[8] = { 0 }; \ for (i = 0; i < 8; i++) \ for (j = 1; j < end; j += 2) \ o_16[i] += transform[2 * j][i] * src[j * sstep]; \ TR_8(e_16, src, 1, 2 * sstep, SET, 8); \ \ 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, end) \ do { \ int i, j; \ int e_32[16]; \ int o_32[16] = { 0 }; \ for (i = 0; i < 16; i++) \ for (j = 1; j < end; j += 2) \ o_32[i] += transform[j][i] * src[j * sstep]; \ TR_16(e_32, src, 1, 2 * sstep, SET, end / 2); \ \ 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 IDCT_VAR4(H) \ int limit2 = FFMIN(col_limit + 4, H) #define IDCT_VAR8(H) \ int limit = FFMIN(col_limit, H); \ int limit2 = FFMIN(col_limit + 4, H) #define IDCT_VAR16(H) IDCT_VAR8(H) #define IDCT_VAR32(H) IDCT_VAR8(H) #define IDCT(H) \ static void FUNC(idct_ ## H ## x ## H )(int16_t *coeffs, \ int col_limit) \ { \ int i; \ int shift = 7; \ int add = 1 << (shift - 1); \ int16_t *src = coeffs; \ IDCT_VAR ## H(H); \ \ for (i = 0; i < H; i++) { \ TR_ ## H(src, src, H, H, SCALE, limit2); \ if (limit2 < H && i%4 == 0 && !!i) \ limit2 -= 4; \ src++; \ } \ \ shift = 20 - BIT_DEPTH; \ add = 1 << (shift - 1); \ for (i = 0; i < H; i++) { \ TR_ ## H(coeffs, coeffs, 1, 1, SCALE, limit); \ coeffs += H; \ } \ } #define IDCT_DC(H) \ static void FUNC(idct_ ## H ## x ## H ## _dc)(int16_t *coeffs) \ { \ int i, j; \ int shift = 14 - BIT_DEPTH; \ int add = 1 << (shift - 1); \ int coeff = (((coeffs[0] + 1) >> 1) + add) >> shift; \ \ for (j = 0; j < H; j++) { \ for (i = 0; i < H; i++) { \ coeffs[i + j * H] = coeff; \ } \ } \ } IDCT( 4) IDCT( 8) IDCT(16) IDCT(32) IDCT_DC( 4) IDCT_DC( 8) IDCT_DC(16) IDCT_DC(32) #undef TR_4 #undef TR_8 #undef TR_16 #undef TR_32 #undef SET #undef SCALE //////////////////////////////////////////////////////////////////////////////// // //////////////////////////////////////////////////////////////////////////////// #define ff_hevc_pel_filters ff_hevc_qpel_filters #define DECL_HV_FILTER(f) \ const int8_t *hf = ff_hevc_ ## f ## _filters[mx]; \ const int8_t *vf = ff_hevc_ ## f ## _filters[my]; #define FW_PUT(p, f, t) \ static void FUNC(put_hevc_## f)(int16_t *dst, const uint8_t *src, ptrdiff_t srcstride, int height, \ intptr_t mx, intptr_t my, int width) \ { \ DECL_HV_FILTER(p) \ FUNC(put_ ## t)(dst, src, srcstride, height, hf, vf, width); \ } #define FW_PUT_UNI(p, f, t) \ static void FUNC(put_hevc_ ## f)(uint8_t *dst, ptrdiff_t dststride, const uint8_t *src, \ ptrdiff_t srcstride, int height, intptr_t mx, intptr_t my, int width) \ { \ DECL_HV_FILTER(p) \ FUNC(put_ ## t)(dst, dststride, src, srcstride, height, hf, vf, width); \ } #define FW_PUT_UNI_W(p, f, t) \ static void FUNC(put_hevc_ ## f)(uint8_t *dst, ptrdiff_t dststride, const uint8_t *src, \ ptrdiff_t srcstride,int height, int denom, int wx, int ox, \ intptr_t mx, intptr_t my, int width) \ { \ DECL_HV_FILTER(p) \ FUNC(put_ ## t)(dst, dststride, src, srcstride, height, denom, wx, ox, hf, vf, width); \ } #define FW_PUT_FUNCS(f, t, dir) \ FW_PUT(f, f ## _ ## dir, t ## _ ## dir) \ FW_PUT_UNI(f, f ## _uni_ ## dir, uni_ ## t ## _ ## dir) \ FW_PUT_UNI_W(f, f ## _uni_w_ ## dir, uni_## t ## _w_ ## dir) FW_PUT(pel, pel_pixels, pixels) FW_PUT_UNI(pel, pel_uni_pixels, uni_pixels) FW_PUT_UNI_W(pel, pel_uni_w_pixels, uni_w_pixels) FW_PUT_FUNCS(qpel, luma, h ) FW_PUT_FUNCS(qpel, luma, v ) FW_PUT_FUNCS(qpel, luma, hv ) FW_PUT_FUNCS(epel, chroma, h ) FW_PUT_FUNCS(epel, chroma, v ) FW_PUT_FUNCS(epel, chroma, hv ) static void FUNC(put_hevc_pel_bi_pixels)(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, intptr_t mx, intptr_t my, int width) { int x, y; const pixel *src = (const pixel *)_src; ptrdiff_t srcstride = _srcstride / sizeof(pixel); 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(((src[x] << (14 - BIT_DEPTH)) + src2[x] + offset) >> shift); src += srcstride; dst += dststride; src2 += MAX_PB_SIZE; } } static void FUNC(put_hevc_pel_bi_w_pixels)(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, int denom, int wx0, int wx1, int ox0, int ox1, intptr_t mx, intptr_t my, int width) { int x, y; const pixel *src = (const pixel *)_src; ptrdiff_t srcstride = _srcstride / sizeof(pixel); pixel *dst = (pixel *)_dst; ptrdiff_t dststride = _dststride / sizeof(pixel); int shift = 14 + 1 - BIT_DEPTH; int log2Wd = denom + shift - 1; ox0 = ox0 * (1 << (BIT_DEPTH - 8)); ox1 = ox1 * (1 << (BIT_DEPTH - 8)); for (y = 0; y < height; y++) { for (x = 0; x < width; x++) { dst[x] = av_clip_pixel(( (src[x] << (14 - BIT_DEPTH)) * wx1 + src2[x] * wx0 + (ox0 + ox1 + 1) * (1 << log2Wd)) >> (log2Wd + 1)); } src += srcstride; dst += dststride; src2 += MAX_PB_SIZE; } } //////////////////////////////////////////////////////////////////////////////// // //////////////////////////////////////////////////////////////////////////////// #define QPEL_FILTER(src, stride) \ (filter[0] * src[x - 3 * stride] + \ filter[1] * src[x - 2 * stride] + \ filter[2] * src[x - stride] + \ filter[3] * src[x ] + \ filter[4] * src[x + stride] + \ filter[5] * src[x + 2 * stride] + \ filter[6] * src[x + 3 * stride] + \ filter[7] * src[x + 4 * stride]) static void FUNC(put_hevc_qpel_bi_h)(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, intptr_t mx, intptr_t my, int width) { int x, y; const pixel *src = (const pixel*)_src; ptrdiff_t srcstride = _srcstride / sizeof(pixel); pixel *dst = (pixel *)_dst; ptrdiff_t dststride = _dststride / sizeof(pixel); const int8_t *filter = ff_hevc_qpel_filters[mx]; 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(((QPEL_FILTER(src, 1) >> (BIT_DEPTH - 8)) + src2[x] + offset) >> shift); src += srcstride; dst += dststride; src2 += MAX_PB_SIZE; } } static void FUNC(put_hevc_qpel_bi_v)(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, intptr_t mx, intptr_t my, int width) { int x, y; const pixel *src = (const pixel*)_src; ptrdiff_t srcstride = _srcstride / sizeof(pixel); pixel *dst = (pixel *)_dst; ptrdiff_t dststride = _dststride / sizeof(pixel); const int8_t *filter = ff_hevc_qpel_filters[my]; 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(((QPEL_FILTER(src, srcstride) >> (BIT_DEPTH - 8)) + src2[x] + offset) >> shift); src += srcstride; dst += dststride; src2 += MAX_PB_SIZE; } } static void FUNC(put_hevc_qpel_bi_hv)(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, intptr_t mx, intptr_t my, int width) { int x, y; const int8_t *filter; const pixel *src = (const pixel*)_src; ptrdiff_t srcstride = _srcstride / sizeof(pixel); pixel *dst = (pixel *)_dst; ptrdiff_t dststride = _dststride / sizeof(pixel); int16_t tmp_array[(MAX_PB_SIZE + QPEL_EXTRA) * MAX_PB_SIZE]; int16_t *tmp = tmp_array; int shift = 14 + 1 - BIT_DEPTH; #if BIT_DEPTH < 14 int offset = 1 << (shift - 1); #else int offset = 0; #endif src -= QPEL_EXTRA_BEFORE * srcstride; filter = ff_hevc_qpel_filters[mx]; for (y = 0; y < height + QPEL_EXTRA; y++) { for (x = 0; x < width; x++) tmp[x] = QPEL_FILTER(src, 1) >> (BIT_DEPTH - 8); src += srcstride; tmp += MAX_PB_SIZE; } tmp = tmp_array + QPEL_EXTRA_BEFORE * MAX_PB_SIZE; filter = ff_hevc_qpel_filters[my]; for (y = 0; y < height; y++) { for (x = 0; x < width; x++) dst[x] = av_clip_pixel(((QPEL_FILTER(tmp, MAX_PB_SIZE) >> 6) + src2[x] + offset) >> shift); tmp += MAX_PB_SIZE; dst += dststride; src2 += MAX_PB_SIZE; } } static void FUNC(put_hevc_qpel_bi_w_h)(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, int denom, int wx0, int wx1, int ox0, int ox1, intptr_t mx, intptr_t my, int width) { int x, y; const pixel *src = (const pixel*)_src; ptrdiff_t srcstride = _srcstride / sizeof(pixel); pixel *dst = (pixel *)_dst; ptrdiff_t dststride = _dststride / sizeof(pixel); const int8_t *filter = ff_hevc_qpel_filters[mx]; int shift = 14 + 1 - BIT_DEPTH; int log2Wd = denom + shift - 1; ox0 = ox0 * (1 << (BIT_DEPTH - 8)); ox1 = ox1 * (1 << (BIT_DEPTH - 8)); for (y = 0; y < height; y++) { for (x = 0; x < width; x++) dst[x] = av_clip_pixel(((QPEL_FILTER(src, 1) >> (BIT_DEPTH - 8)) * wx1 + src2[x] * wx0 + ((ox0 + ox1 + 1) * (1 << log2Wd))) >> (log2Wd + 1)); src += srcstride; dst += dststride; src2 += MAX_PB_SIZE; } } static void FUNC(put_hevc_qpel_bi_w_v)(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, int denom, int wx0, int wx1, int ox0, int ox1, intptr_t mx, intptr_t my, int width) { int x, y; const pixel *src = (const pixel*)_src; ptrdiff_t srcstride = _srcstride / sizeof(pixel); pixel *dst = (pixel *)_dst; ptrdiff_t dststride = _dststride / sizeof(pixel); const int8_t *filter = ff_hevc_qpel_filters[my]; int shift = 14 + 1 - BIT_DEPTH; int log2Wd = denom + shift - 1; ox0 = ox0 * (1 << (BIT_DEPTH - 8)); ox1 = ox1 * (1 << (BIT_DEPTH - 8)); for (y = 0; y < height; y++) { for (x = 0; x < width; x++) dst[x] = av_clip_pixel(((QPEL_FILTER(src, srcstride) >> (BIT_DEPTH - 8)) * wx1 + src2[x] * wx0 + ((ox0 + ox1 + 1) * (1 << log2Wd))) >> (log2Wd + 1)); src += srcstride; dst += dststride; src2 += MAX_PB_SIZE; } } static void FUNC(put_hevc_qpel_bi_w_hv)(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, int denom, int wx0, int wx1, int ox0, int ox1, intptr_t mx, intptr_t my, int width) { int x, y; const int8_t *filter; const pixel *src = (const pixel*)_src; ptrdiff_t srcstride = _srcstride / sizeof(pixel); pixel *dst = (pixel *)_dst; ptrdiff_t dststride = _dststride / sizeof(pixel); int16_t tmp_array[(MAX_PB_SIZE + QPEL_EXTRA) * MAX_PB_SIZE]; int16_t *tmp = tmp_array; int shift = 14 + 1 - BIT_DEPTH; int log2Wd = denom + shift - 1; src -= QPEL_EXTRA_BEFORE * srcstride; filter = ff_hevc_qpel_filters[mx]; for (y = 0; y < height + QPEL_EXTRA; y++) { for (x = 0; x < width; x++) tmp[x] = QPEL_FILTER(src, 1) >> (BIT_DEPTH - 8); src += srcstride; tmp += MAX_PB_SIZE; } tmp = tmp_array + QPEL_EXTRA_BEFORE * MAX_PB_SIZE; filter = ff_hevc_qpel_filters[my]; ox0 = ox0 * (1 << (BIT_DEPTH - 8)); ox1 = ox1 * (1 << (BIT_DEPTH - 8)); for (y = 0; y < height; y++) { for (x = 0; x < width; x++) dst[x] = av_clip_pixel(((QPEL_FILTER(tmp, MAX_PB_SIZE) >> 6) * wx1 + src2[x] * wx0 + ((ox0 + ox1 + 1) * (1 << log2Wd))) >> (log2Wd + 1)); tmp += MAX_PB_SIZE; dst += dststride; src2 += MAX_PB_SIZE; } } //////////////////////////////////////////////////////////////////////////////// // //////////////////////////////////////////////////////////////////////////////// #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_bi_h)(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, intptr_t mx, intptr_t my, int width) { int x, y; const pixel *src = (const pixel *)_src; ptrdiff_t srcstride = _srcstride / sizeof(pixel); pixel *dst = (pixel *)_dst; ptrdiff_t dststride = _dststride / sizeof(pixel); const int8_t *filter = ff_hevc_epel_filters[mx]; 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(((EPEL_FILTER(src, 1) >> (BIT_DEPTH - 8)) + src2[x] + offset) >> shift); } dst += dststride; src += srcstride; src2 += MAX_PB_SIZE; } } static void FUNC(put_hevc_epel_bi_v)(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, intptr_t mx, intptr_t my, int width) { int x, y; const pixel *src = (const pixel *)_src; ptrdiff_t srcstride = _srcstride / sizeof(pixel); const int8_t *filter = ff_hevc_epel_filters[my]; 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(((EPEL_FILTER(src, srcstride) >> (BIT_DEPTH - 8)) + src2[x] + offset) >> shift); dst += dststride; src += srcstride; src2 += MAX_PB_SIZE; } } static void FUNC(put_hevc_epel_bi_hv)(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, intptr_t mx, intptr_t my, int width) { int x, y; const pixel *src = (const pixel *)_src; ptrdiff_t srcstride = _srcstride / sizeof(pixel); pixel *dst = (pixel *)_dst; ptrdiff_t dststride = _dststride / sizeof(pixel); const int8_t *filter = ff_hevc_epel_filters[mx]; int16_t tmp_array[(MAX_PB_SIZE + EPEL_EXTRA) * MAX_PB_SIZE]; int16_t *tmp = tmp_array; int shift = 14 + 1 - BIT_DEPTH; #if BIT_DEPTH < 14 int offset = 1 << (shift - 1); #else int offset = 0; #endif 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 = ff_hevc_epel_filters[my]; for (y = 0; y < height; y++) { for (x = 0; x < width; x++) dst[x] = av_clip_pixel(((EPEL_FILTER(tmp, MAX_PB_SIZE) >> 6) + src2[x] + offset) >> shift); tmp += MAX_PB_SIZE; dst += dststride; src2 += MAX_PB_SIZE; } } static void FUNC(put_hevc_epel_bi_w_h)(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, int denom, int wx0, int wx1, int ox0, int ox1, intptr_t mx, intptr_t my, int width) { int x, y; const pixel *src = (const pixel *)_src; ptrdiff_t srcstride = _srcstride / sizeof(pixel); pixel *dst = (pixel *)_dst; ptrdiff_t dststride = _dststride / sizeof(pixel); const int8_t *filter = ff_hevc_epel_filters[mx]; int shift = 14 + 1 - BIT_DEPTH; int log2Wd = denom + shift - 1; ox0 = ox0 * (1 << (BIT_DEPTH - 8)); ox1 = ox1 * (1 << (BIT_DEPTH - 8)); for (y = 0; y < height; y++) { for (x = 0; x < width; x++) dst[x] = av_clip_pixel(((EPEL_FILTER(src, 1) >> (BIT_DEPTH - 8)) * wx1 + src2[x] * wx0 + ((ox0 + ox1 + 1) * (1 << log2Wd))) >> (log2Wd + 1)); src += srcstride; dst += dststride; src2 += MAX_PB_SIZE; } } static void FUNC(put_hevc_epel_bi_w_v)(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, int denom, int wx0, int wx1, int ox0, int ox1, intptr_t mx, intptr_t my, int width) { int x, y; const pixel *src = (const pixel *)_src; ptrdiff_t srcstride = _srcstride / sizeof(pixel); const int8_t *filter = ff_hevc_epel_filters[my]; pixel *dst = (pixel *)_dst; ptrdiff_t dststride = _dststride / sizeof(pixel); int shift = 14 + 1 - BIT_DEPTH; int log2Wd = denom + shift - 1; ox0 = ox0 * (1 << (BIT_DEPTH - 8)); ox1 = ox1 * (1 << (BIT_DEPTH - 8)); for (y = 0; y < height; y++) { for (x = 0; x < width; x++) dst[x] = av_clip_pixel(((EPEL_FILTER(src, srcstride) >> (BIT_DEPTH - 8)) * wx1 + src2[x] * wx0 + ((ox0 + ox1 + 1) * (1 << log2Wd))) >> (log2Wd + 1)); src += srcstride; dst += dststride; src2 += MAX_PB_SIZE; } } static void FUNC(put_hevc_epel_bi_w_hv)(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2, int height, int denom, int wx0, int wx1, int ox0, int ox1, intptr_t mx, intptr_t my, int width) { int x, y; const pixel *src = (const pixel *)_src; ptrdiff_t srcstride = _srcstride / sizeof(pixel); pixel *dst = (pixel *)_dst; ptrdiff_t dststride = _dststride / sizeof(pixel); const int8_t *filter = ff_hevc_epel_filters[mx]; int16_t tmp_array[(MAX_PB_SIZE + EPEL_EXTRA) * MAX_PB_SIZE]; int16_t *tmp = tmp_array; int shift = 14 + 1 - BIT_DEPTH; int log2Wd = denom + shift - 1; 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 = ff_hevc_epel_filters[my]; ox0 = ox0 * (1 << (BIT_DEPTH - 8)); ox1 = ox1 * (1 << (BIT_DEPTH - 8)); for (y = 0; y < height; y++) { for (x = 0; x < width; x++) dst[x] = av_clip_pixel(((EPEL_FILTER(tmp, MAX_PB_SIZE) >> 6) * wx1 + src2[x] * wx0 + ((ox0 + ox1 + 1) * (1 << log2Wd))) >> (log2Wd + 1)); tmp += MAX_PB_SIZE; dst += dststride; src2 += MAX_PB_SIZE; } } // line zero #define P3 pix[-4 * xstride] #define P2 pix[-3 * xstride] #define P1 pix[-2 * xstride] #define P0 pix[-1 * xstride] #define Q0 pix[0 * xstride] #define Q1 pix[1 * 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[-1 * xstride + 3 * ystride] #define TQ0 pix[0 * xstride + 3 * ystride] #define TQ1 pix[1 * xstride + 3 * ystride] #define TQ2 pix[2 * xstride + 3 * ystride] #define TQ3 pix[3 * xstride + 3 * ystride] #include "h26x/h2656_deblock_template.c" static void FUNC(hevc_loop_filter_luma)(uint8_t *_pix, ptrdiff_t _xstride, ptrdiff_t _ystride, int beta, const int *_tc, const uint8_t *_no_p, const uint8_t *_no_q) { ptrdiff_t xstride = _xstride / sizeof(pixel); ptrdiff_t ystride = _ystride / sizeof(pixel); beta <<= BIT_DEPTH - 8; for (int j = 0; j < 2; j++) { pixel* pix = (pixel*)_pix + j * 4 * ystride; 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; 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) { 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) { const int tc2 = tc << 1; FUNC(loop_filter_luma_strong)(pix, xstride, ystride, tc2, tc2, tc2, no_p, no_q); } else { int nd_p = 1; int nd_q = 1; if (dp0 + dp3 < ((beta + (beta >> 1)) >> 3)) nd_p = 2; if (dq0 + dq3 < ((beta + (beta >> 1)) >> 3)) nd_q = 2; FUNC(loop_filter_luma_weak)(pix, xstride, ystride, tc, beta, no_p, no_q, nd_p, nd_q); } } } } static void FUNC(hevc_loop_filter_chroma)(uint8_t *_pix, ptrdiff_t _xstride, ptrdiff_t _ystride, const int *_tc, const uint8_t *_no_p, const uint8_t *_no_q) { int no_p, no_q; ptrdiff_t xstride = _xstride / sizeof(pixel); ptrdiff_t ystride = _ystride / sizeof(pixel); const int size = 4; for (int j = 0; j < 2; j++) { pixel *pix = (pixel *)_pix + j * size * ystride; const int tc = _tc[j] << (BIT_DEPTH - 8); if (tc > 0) { no_p = _no_p[j]; no_q = _no_q[j]; FUNC(loop_filter_chroma_weak)(pix, xstride, ystride, size, tc, no_p, no_q); } } } static void FUNC(hevc_h_loop_filter_chroma)(uint8_t *pix, ptrdiff_t stride, const int32_t *tc, const uint8_t *no_p, const 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, const int32_t *tc, const uint8_t *no_p, const 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, const int32_t *tc, const uint8_t *no_p, const 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, const int32_t *tc, const uint8_t *no_p, const 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