| /* |
| * 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 "hevcdsp.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 uint8_t *hf = ff_hevc_ ## f ## _filters[mx]; \ |
| const uint8_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 |
