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/*
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* HEVC video decoder
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*
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* Copyright (C) 2012 - 2013 Guillaume Martres
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "get_bits.h"
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#include "hevc.h"
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#include "bit_depth_template.c"
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static void FUNC(put_pcm)(uint8_t *_dst, ptrdiff_t stride, int size,
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GetBitContext *gb, int pcm_bit_depth)
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{
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int x, y;
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pixel *dst = (pixel *)_dst;
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stride /= sizeof(pixel);
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for (y = 0; y < size; y++) {
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for (x = 0; x < size; x++)
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dst[x] = get_bits(gb, pcm_bit_depth) << (BIT_DEPTH - pcm_bit_depth);
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dst += stride;
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}
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}
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static av_always_inline void FUNC(transquant_bypass)(uint8_t *_dst, int16_t *coeffs,
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ptrdiff_t stride, int size)
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{
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int x, y;
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pixel *dst = (pixel *)_dst;
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stride /= sizeof(pixel);
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for (y = 0; y < size; y++) {
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for (x = 0; x < size; x++) {
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dst[x] = av_clip_pixel(dst[x] + *coeffs);
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coeffs++;
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}
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dst += stride;
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}
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}
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static void FUNC(transquant_bypass4x4)(uint8_t *_dst, int16_t *coeffs,
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ptrdiff_t stride)
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{
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FUNC(transquant_bypass)(_dst, coeffs, stride, 4);
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}
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static void FUNC(transquant_bypass8x8)(uint8_t *_dst, int16_t *coeffs,
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ptrdiff_t stride)
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{
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FUNC(transquant_bypass)(_dst, coeffs, stride, 8);
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}
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static void FUNC(transquant_bypass16x16)(uint8_t *_dst, int16_t *coeffs,
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ptrdiff_t stride)
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{
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FUNC(transquant_bypass)(_dst, coeffs, stride, 16);
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}
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static void FUNC(transquant_bypass32x32)(uint8_t *_dst, int16_t *coeffs,
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ptrdiff_t stride)
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{
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FUNC(transquant_bypass)(_dst, coeffs, stride, 32);
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}
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static void FUNC(transform_skip)(uint8_t *_dst, int16_t *coeffs,
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ptrdiff_t stride)
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{
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pixel *dst = (pixel *)_dst;
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int shift = 13 - BIT_DEPTH;
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#if BIT_DEPTH <= 13
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int offset = 1 << (shift - 1);
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#else
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int offset = 0;
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#endif
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int x, y;
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stride /= sizeof(pixel);
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for (y = 0; y < 4 * 4; y += 4) {
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for (x = 0; x < 4; x++)
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dst[x] = av_clip_pixel(dst[x] + ((coeffs[y + x] + offset) >> shift));
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dst += stride;
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}
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}
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#define SET(dst, x) (dst) = (x)
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#define SCALE(dst, x) (dst) = av_clip_int16(((x) + add) >> shift)
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#define ADD_AND_SCALE(dst, x) \
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(dst) = av_clip_pixel((dst) + av_clip_int16(((x) + add) >> shift))
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#define TR_4x4_LUMA(dst, src, step, assign) \
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do { \
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int c0 = src[0 * step] + src[2 * step]; \
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int c1 = src[2 * step] + src[3 * step]; \
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int c2 = src[0 * step] - src[3 * step]; \
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int c3 = 74 * src[1 * step]; \
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\
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assign(dst[2 * step], 74 * (src[0 * step] - \
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src[2 * step] + \
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src[3 * step])); \
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assign(dst[0 * step], 29 * c0 + 55 * c1 + c3); \
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assign(dst[1 * step], 55 * c2 - 29 * c1 + c3); \
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assign(dst[3 * step], 55 * c0 + 29 * c2 - c3); \
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} while (0)
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static void FUNC(transform_4x4_luma_add)(uint8_t *_dst, int16_t *coeffs,
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ptrdiff_t stride)
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{
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int i;
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pixel *dst = (pixel *)_dst;
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int shift = 7;
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int add = 1 << (shift - 1);
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int16_t *src = coeffs;
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stride /= sizeof(pixel);
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for (i = 0; i < 4; i++) {
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TR_4x4_LUMA(src, src, 4, SCALE);
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src++;
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}
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shift = 20 - BIT_DEPTH;
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add = 1 << (shift - 1);
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for (i = 0; i < 4; i++) {
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TR_4x4_LUMA(dst, coeffs, 1, ADD_AND_SCALE);
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coeffs += 4;
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dst += stride;
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}
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}
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#undef TR_4x4_LUMA
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#define TR_4(dst, src, dstep, sstep, assign) \
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do { \
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const int e0 = transform[8 * 0][0] * src[0 * sstep] + \
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transform[8 * 2][0] * src[2 * sstep]; \
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const int e1 = transform[8 * 0][1] * src[0 * sstep] + \
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transform[8 * 2][1] * src[2 * sstep]; \
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const int o0 = transform[8 * 1][0] * src[1 * sstep] + \
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transform[8 * 3][0] * src[3 * sstep]; \
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const int o1 = transform[8 * 1][1] * src[1 * sstep] + \
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transform[8 * 3][1] * src[3 * sstep]; \
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\
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assign(dst[0 * dstep], e0 + o0); \
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assign(dst[1 * dstep], e1 + o1); \
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assign(dst[2 * dstep], e1 - o1); \
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assign(dst[3 * dstep], e0 - o0); \
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} while (0)
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static void FUNC(transform_4x4_add)(uint8_t *_dst, int16_t *coeffs,
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ptrdiff_t stride)
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{
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int i;
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pixel *dst = (pixel *)_dst;
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int shift = 7;
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int add = 1 << (shift - 1);
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int16_t *src = coeffs;
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stride /= sizeof(pixel);
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for (i = 0; i < 4; i++) {
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TR_4(src, src, 4, 4, SCALE);
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src++;
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}
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shift = 20 - BIT_DEPTH;
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add = 1 << (shift - 1);
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for (i = 0; i < 4; i++) {
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TR_4(dst, coeffs, 1, 1, ADD_AND_SCALE);
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coeffs += 4;
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dst += stride;
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}
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}
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#define TR_8(dst, src, dstep, sstep, assign) \
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do { \
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int i, j; \
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int e_8[4]; \
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int o_8[4] = { 0 }; \
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for (i = 0; i < 4; i++) \
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for (j = 1; j < 8; j += 2) \
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o_8[i] += transform[4 * j][i] * src[j * sstep]; \
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TR_4(e_8, src, 1, 2 * sstep, SET); \
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\
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for (i = 0; i < 4; i++) { \
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assign(dst[i * dstep], e_8[i] + o_8[i]); \
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assign(dst[(7 - i) * dstep], e_8[i] - o_8[i]); \
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} \
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} while (0)
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#define TR_16(dst, src, dstep, sstep, assign) \
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do { \
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int i, j; \
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int e_16[8]; \
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int o_16[8] = { 0 }; \
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for (i = 0; i < 8; i++) \
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for (j = 1; j < 16; j += 2) \
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o_16[i] += transform[2 * j][i] * src[j * sstep]; \
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TR_8(e_16, src, 1, 2 * sstep, SET); \
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\
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for (i = 0; i < 8; i++) { \
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assign(dst[i * dstep], e_16[i] + o_16[i]); \
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assign(dst[(15 - i) * dstep], e_16[i] - o_16[i]); \
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} \
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} while (0)
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#define TR_32(dst, src, dstep, sstep, assign) \
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do { \
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int i, j; \
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int e_32[16]; \
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int o_32[16] = { 0 }; \
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for (i = 0; i < 16; i++) \
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for (j = 1; j < 32; j += 2) \
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o_32[i] += transform[j][i] * src[j * sstep]; \
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TR_16(e_32, src, 1, 2 * sstep, SET); \
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\
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for (i = 0; i < 16; i++) { \
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assign(dst[i * dstep], e_32[i] + o_32[i]); \
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assign(dst[(31 - i) * dstep], e_32[i] - o_32[i]); \
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} \
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} while (0)
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static void FUNC(transform_8x8_add)(uint8_t *_dst, int16_t *coeffs,
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ptrdiff_t stride)
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{
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int i;
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pixel *dst = (pixel *)_dst;
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int shift = 7;
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int add = 1 << (shift - 1);
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int16_t *src = coeffs;
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stride /= sizeof(pixel);
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for (i = 0; i < 8; i++) {
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TR_8(src, src, 8, 8, SCALE);
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src++;
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}
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shift = 20 - BIT_DEPTH;
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add = 1 << (shift - 1);
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for (i = 0; i < 8; i++) {
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TR_8(dst, coeffs, 1, 1, ADD_AND_SCALE);
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coeffs += 8;
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dst += stride;
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}
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}
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static void FUNC(transform_16x16_add)(uint8_t *_dst, int16_t *coeffs,
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ptrdiff_t stride)
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{
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int i;
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pixel *dst = (pixel *)_dst;
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int shift = 7;
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int add = 1 << (shift - 1);
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int16_t *src = coeffs;
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stride /= sizeof(pixel);
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for (i = 0; i < 16; i++) {
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TR_16(src, src, 16, 16, SCALE);
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src++;
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}
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shift = 20 - BIT_DEPTH;
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add = 1 << (shift - 1);
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for (i = 0; i < 16; i++) {
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TR_16(dst, coeffs, 1, 1, ADD_AND_SCALE);
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coeffs += 16;
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dst += stride;
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}
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}
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static void FUNC(transform_32x32_add)(uint8_t *_dst, int16_t *coeffs,
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ptrdiff_t stride)
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{
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int i;
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pixel *dst = (pixel *)_dst;
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int shift = 7;
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int add = 1 << (shift - 1);
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int16_t *src = coeffs;
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stride /= sizeof(pixel);
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for (i = 0; i < 32; i++) {
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TR_32(src, src, 32, 32, SCALE);
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src++;
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}
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src = coeffs;
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shift = 20 - BIT_DEPTH;
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add = 1 << (shift - 1);
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for (i = 0; i < 32; i++) {
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TR_32(dst, coeffs, 1, 1, ADD_AND_SCALE);
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coeffs += 32;
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dst += stride;
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}
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}
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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;
|
|
|
|
|
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;
|
|
|
|
|
|
|
|
|
|
stride /= sizeof(pixel);
|
|
|
|
|
|
|
|
|
|
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[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;
|
|
|
|
|
int chroma = !!c_idx;
|
|
|
|
|
int *sao_offset_val = sao->offset_val[c_idx];
|
|
|
|
|
int sao_eo_class = sao->eo_class[c_idx];
|
|
|
|
|
int init_x = 0, init_y = 0, width = _width, height = _height;
|
|
|
|
|
|
|
|
|
|
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 };
|
|
|
|
|
|
|
|
|
|
#define CMP(a, b) ((a) > (b) ? 1 : ((a) == (b) ? 0 : -1))
|
|
|
|
|
|
|
|
|
|
stride /= sizeof(pixel);
|
|
|
|
|
|
|
|
|
|
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;
|
|
|
|
|
int chroma = !!c_idx;
|
|
|
|
|
int *sao_offset_val = sao->offset_val[c_idx];
|
|
|
|
|
int sao_eo_class = sao->eo_class[c_idx];
|
|
|
|
|
int init_x = 0, init_y = 0, width = _width, height = _height;
|
|
|
|
|
|
|
|
|
|
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 };
|
|
|
|
|
|
|
|
|
|
#define CMP(a, b) ((a) > (b) ? 1 : ((a) == (b) ? 0 : -1))
|
|
|
|
|
|
|
|
|
|
stride /= sizeof(pixel);
|
|
|
|
|
|
|
|
|
|
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;
|
|
|
|
|
int chroma = !!c_idx;
|
|
|
|
|
int *sao_offset_val = sao->offset_val[c_idx];
|
|
|
|
|
int sao_eo_class = sao->eo_class[c_idx];
|
|
|
|
|
int init_x = 0, init_y = 0, width = _width, height = _height;
|
|
|
|
|
|
|
|
|
|
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 };
|
|
|
|
|
|
|
|
|
|
#define CMP(a, b) ((a) > (b) ? 1 : ((a) == (b) ? 0 : -1))
|
|
|
|
|
|
|
|
|
|
stride /= sizeof(pixel);
|
|
|
|
|
|
|
|
|
|
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;
|
|
|
|
|
int chroma = !!c_idx;
|
|
|
|
|
int *sao_offset_val = sao->offset_val[c_idx];
|
|
|
|
|
int sao_eo_class = sao->eo_class[c_idx];
|
|
|
|
|
int init_x = 0, init_y = 0, width = _width, height = _height;
|
|
|
|
|
|
|
|
|
|
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 };
|
|
|
|
|
|
|
|
|
|
#define CMP(a, b) ((a) > (b) ? 1 : ((a) == (b) ? 0 : -1))
|
|
|
|
|
|
|
|
|
|
stride /= sizeof(pixel);
|
|
|
|
|
|
|
|
|
|
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_8
|
|
|
|
|
#undef TR_16
|
|
|
|
|
#undef TR_32
|
|
|
|
|
|
|
|
|
|
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) \
|
|
|
|
|
(1 * -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) \
|
|
|
|
|
(1 * -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] - \
|
|
|
|
|
1 * src[x + 4 * stride])
|
|
|
|
|
|
|
|
|
|
#define QPEL_FILTER_3(src, stride) \
|
|
|
|
|
(1 * 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] - \
|
|
|
|
|
1 * 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, log2Wd, wx, ox, x, y, 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, log2Wd, w0, w1, o0, o1, 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[-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]
|
|
|
|
|
|
|
|
|
|
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);
|
|
|
|
|
|
|
|
|
|
beta <<= BIT_DEPTH - 8;
|
|
|
|
|
|
|
|
|
|
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;
|
|
|
|
|
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) {
|
|
|
|
|
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;
|
|
|
|
|
}
|
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} else { // normal filtering
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int nd_p = 1;
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int nd_q = 1;
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const int tc_2 = tc >> 1;
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if (dp0 + dp3 < ((beta + (beta >> 1)) >> 3))
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nd_p = 2;
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if (dq0 + dq3 < ((beta + (beta >> 1)) >> 3))
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nd_q = 2;
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|
|
|
|
|
|
|
|
for (d = 0; d < 4; d++) {
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const int p2 = P2;
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|
|
|
const int p1 = P1;
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const int p0 = P0;
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const int q0 = Q0;
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const int q1 = Q1;
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const int q2 = Q2;
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|
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int delta0 = (9 * (q0 - p0) - 3 * (q1 - p1) + 8) >> 4;
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|
|
|
if (abs(delta0) < 10 * tc) {
|
|
|
|
|
delta0 = av_clip(delta0, -tc, tc);
|
|
|
|
|
if (!no_p)
|
|
|
|
|
P0 = av_clip_pixel(p0 + delta0);
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|
|
|
|
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, 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) * 4) + 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
|
