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FFmpeg/libavcodec/hevcdsp_template.c
Andreas Rheinhardt 6106fb2b4c avcodec/hevcdsp: Offset ff_hevc_.pel_filters to simplify addressing 
Besides simplifying address computations (it saves 432B of .text
in hevcdsp.o alone here) it also fixes undefined behaviour that
occurs if mx or my are 0 (happens when the filters are unused)
because they lead to an array index of -1 in the old code.
This happens in the checkasm-hevc_pel FATE-test.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Reviewed-by: Nuo Mi <nuomi2021@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
2024-02-13 20:25:49 -03:00

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/*
* 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
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