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FFmpeg/libavcodec/h26x/h2656_inter_template.c

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/*
* inter prediction template for HEVC/VVC
*
* Copyright (C) 2022 Nuo Mi
* Copyright (C) 2024 Wu Jianhua
*
* 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
*/
#define CHROMA_EXTRA_BEFORE 1
#define CHROMA_EXTRA 3
#define LUMA_EXTRA_BEFORE 3
#define LUMA_EXTRA 7
static void FUNC(put_pixels)(int16_t *dst,
const uint8_t *_src, const ptrdiff_t _src_stride,
const int height, const int8_t *hf, const int8_t *vf, const int width)
{
const pixel *src = (const pixel *)_src;
const ptrdiff_t src_stride = _src_stride / sizeof(pixel);
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++)
dst[x] = src[x] << (14 - BIT_DEPTH);
src += src_stride;
dst += MAX_PB_SIZE;
}
}
static void FUNC(put_uni_pixels)(uint8_t *_dst, const ptrdiff_t _dst_stride,
const uint8_t *_src, const ptrdiff_t _src_stride, const int height,
const int8_t *hf, const int8_t *vf, const int width)
{
const pixel *src = (const pixel *)_src;
pixel *dst = (pixel *)_dst;
const ptrdiff_t src_stride = _src_stride / sizeof(pixel);
const ptrdiff_t dst_stride = _dst_stride / sizeof(pixel);
for (int y = 0; y < height; y++) {
memcpy(dst, src, width * sizeof(pixel));
src += src_stride;
dst += dst_stride;
}
}
static void FUNC(put_uni_w_pixels)(uint8_t *_dst, const ptrdiff_t _dst_stride,
const uint8_t *_src, const ptrdiff_t _src_stride, const int height,
const int denom, const int wx, const int _ox, const int8_t *hf, const int8_t *vf,
const int width)
{
const pixel *src = (const pixel *)_src;
pixel *dst = (pixel *)_dst;
const ptrdiff_t src_stride = _src_stride / sizeof(pixel);
const ptrdiff_t dst_stride = _dst_stride / sizeof(pixel);
const int shift = denom + 14 - BIT_DEPTH;
#if BIT_DEPTH < 14
const int offset = 1 << (shift - 1);
#else
const int offset = 0;
#endif
const int ox = _ox * (1 << (BIT_DEPTH - 8));
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
const int v = (src[x] << (14 - BIT_DEPTH));
dst[x] = av_clip_pixel(((v * wx + offset) >> shift) + ox);
}
src += src_stride;
dst += dst_stride;
}
}
#define LUMA_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_luma_h)(int16_t *dst, const uint8_t *_src, const ptrdiff_t _src_stride,
const int height, const int8_t *hf, const int8_t *vf, const int width)
{
const pixel *src = (const pixel*)_src;
const ptrdiff_t src_stride = _src_stride / sizeof(pixel);
const int8_t *filter = hf;
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++)
dst[x] = LUMA_FILTER(src, 1) >> (BIT_DEPTH - 8);
src += src_stride;
dst += MAX_PB_SIZE;
}
}
static void FUNC(put_luma_v)(int16_t *dst, const uint8_t *_src, const ptrdiff_t _src_stride,
const int height, const int8_t *hf, const int8_t *vf, const int width)
{
const pixel *src = (pixel*)_src;
const ptrdiff_t src_stride = _src_stride / sizeof(pixel);
const int8_t *filter = vf;
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++)
dst[x] = LUMA_FILTER(src, src_stride) >> (BIT_DEPTH - 8);
src += src_stride;
dst += MAX_PB_SIZE;
}
}
static void FUNC(put_luma_hv)(int16_t *dst, const uint8_t *_src, const ptrdiff_t _src_stride,
const int height, const int8_t *hf, const int8_t *vf, const int width)
{
int16_t tmp_array[(MAX_PB_SIZE + LUMA_EXTRA) * MAX_PB_SIZE];
int16_t *tmp = tmp_array;
const pixel *src = (const pixel*)_src;
const ptrdiff_t src_stride = _src_stride / sizeof(pixel);
const int8_t *filter = hf;
src -= LUMA_EXTRA_BEFORE * src_stride;
for (int y = 0; y < height + LUMA_EXTRA; y++) {
for (int x = 0; x < width; x++)
tmp[x] = LUMA_FILTER(src, 1) >> (BIT_DEPTH - 8);
src += src_stride;
tmp += MAX_PB_SIZE;
}
tmp = tmp_array + LUMA_EXTRA_BEFORE * MAX_PB_SIZE;
filter = vf;
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++)
dst[x] = LUMA_FILTER(tmp, MAX_PB_SIZE) >> 6;
tmp += MAX_PB_SIZE;
dst += MAX_PB_SIZE;
}
}
static void FUNC(put_uni_luma_h)(uint8_t *_dst, const ptrdiff_t _dst_stride,
const uint8_t *_src, const ptrdiff_t _src_stride,
const int height, const int8_t *hf, const int8_t *vf, const int width)
{
const pixel *src = (const pixel*)_src;
pixel *dst = (pixel *)_dst;
const ptrdiff_t src_stride = _src_stride / sizeof(pixel);
const ptrdiff_t dst_stride = _dst_stride / sizeof(pixel);
const int8_t *filter = hf;
const int shift = 14 - BIT_DEPTH;
#if BIT_DEPTH < 14
const int offset = 1 << (shift - 1);
#else
const int offset = 0;
#endif
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
const int val = LUMA_FILTER(src, 1) >> (BIT_DEPTH - 8);
dst[x] = av_clip_pixel((val + offset) >> shift);
}
src += src_stride;
dst += dst_stride;
}
}
static void FUNC(put_uni_luma_v)(uint8_t *_dst, const ptrdiff_t _dst_stride,
const uint8_t *_src, const ptrdiff_t _src_stride,
const int height, const int8_t *hf, const int8_t *vf, const int width)
{
const pixel *src = (const pixel*)_src;
pixel *dst = (pixel *)_dst;
const ptrdiff_t src_stride = _src_stride / sizeof(pixel);
const ptrdiff_t dst_stride = _dst_stride / sizeof(pixel);
const int8_t *filter = vf;
const int shift = 14 - BIT_DEPTH;
#if BIT_DEPTH < 14
const int offset = 1 << (shift - 1);
#else
const int offset = 0;
#endif
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
const int val = LUMA_FILTER(src, src_stride) >> (BIT_DEPTH - 8);
dst[x] = av_clip_pixel((val + offset) >> shift);
}
src += src_stride;
dst += dst_stride;
}
}
static void FUNC(put_uni_luma_hv)(uint8_t *_dst, const ptrdiff_t _dst_stride,
const uint8_t *_src, const ptrdiff_t _src_stride,
const int height, const int8_t *hf, const int8_t *vf, const int width)
{
int16_t tmp_array[(MAX_PB_SIZE + LUMA_EXTRA) * MAX_PB_SIZE];
int16_t *tmp = tmp_array;
const pixel *src = (const pixel*)_src;
pixel *dst = (pixel *)_dst;
const ptrdiff_t dst_stride = _dst_stride / sizeof(pixel);
const ptrdiff_t src_stride = _src_stride / sizeof(pixel);
const int8_t *filter = hf;
const int shift = 14 - BIT_DEPTH;
#if BIT_DEPTH < 14
const int offset = 1 << (shift - 1);
#else
const int offset = 0;
#endif
src -= LUMA_EXTRA_BEFORE * src_stride;
for (int y = 0; y < height + LUMA_EXTRA; y++) {
for (int x = 0; x < width; x++)
tmp[x] = LUMA_FILTER(src, 1) >> (BIT_DEPTH - 8);
src += src_stride;
tmp += MAX_PB_SIZE;
}
tmp = tmp_array + LUMA_EXTRA_BEFORE * MAX_PB_SIZE;
filter = vf;
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
const int val = LUMA_FILTER(tmp, MAX_PB_SIZE) >> 6;
dst[x] = av_clip_pixel((val + offset) >> shift);
}
tmp += MAX_PB_SIZE;
dst += dst_stride;
}
}
static void FUNC(put_uni_luma_w_h)(uint8_t *_dst, const ptrdiff_t _dst_stride,
const uint8_t *_src, const ptrdiff_t _src_stride, int height,
const int denom, const int wx, const int _ox, const int8_t *hf, const int8_t *vf,
const int width)
{
const pixel *src = (const pixel*)_src;
pixel *dst = (pixel *)_dst;
const ptrdiff_t src_stride = _src_stride / sizeof(pixel);
const ptrdiff_t dst_stride = _dst_stride / sizeof(pixel);
const int8_t *filter = hf;
const int ox = _ox * (1 << (BIT_DEPTH - 8));
const int shift = denom + 14 - BIT_DEPTH;
#if BIT_DEPTH < 14
const int offset = 1 << (shift - 1);
#else
const int offset = 0;
#endif
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++)
dst[x] = av_clip_pixel((((LUMA_FILTER(src, 1) >> (BIT_DEPTH - 8)) * wx + offset) >> shift) + ox);
src += src_stride;
dst += dst_stride;
}
}
static void FUNC(put_uni_luma_w_v)(uint8_t *_dst, const ptrdiff_t _dst_stride,
const uint8_t *_src, const ptrdiff_t _src_stride, const int height,
const int denom, const int wx, const int _ox, const int8_t *hf, const int8_t *vf,
const int width)
{
const pixel *src = (const pixel*)_src;
pixel *dst = (pixel *)_dst;
const ptrdiff_t src_stride = _src_stride / sizeof(pixel);
const ptrdiff_t dst_stride = _dst_stride / sizeof(pixel);
const int8_t *filter = vf;
const int ox = _ox * (1 << (BIT_DEPTH - 8));
const int shift = denom + 14 - BIT_DEPTH;
#if BIT_DEPTH < 14
const int offset = 1 << (shift - 1);
#else
const int offset = 0;
#endif
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++)
dst[x] = av_clip_pixel((((LUMA_FILTER(src, src_stride) >> (BIT_DEPTH - 8)) * wx + offset) >> shift) + ox);
src += src_stride;
dst += dst_stride;
}
}
static void FUNC(put_uni_luma_w_hv)(uint8_t *_dst, const ptrdiff_t _dst_stride,
const uint8_t *_src, const ptrdiff_t _src_stride, const int height, const int denom,
const int wx, const int _ox, const int8_t *hf, const int8_t *vf, const int width)
{
int16_t tmp_array[(MAX_PB_SIZE + LUMA_EXTRA) * MAX_PB_SIZE];
int16_t *tmp = tmp_array;
const pixel *src = (const pixel*)_src;
pixel *dst = (pixel *)_dst;
const ptrdiff_t src_stride = _src_stride / sizeof(pixel);
const ptrdiff_t dst_stride = _dst_stride / sizeof(pixel);
const int8_t *filter = hf;
const int ox = _ox * (1 << (BIT_DEPTH - 8));
const int shift = denom + 14 - BIT_DEPTH;
#if BIT_DEPTH < 14
const int offset = 1 << (shift - 1);
#else
const int offset = 0;
#endif
src -= LUMA_EXTRA_BEFORE * src_stride;
for (int y = 0; y < height + LUMA_EXTRA; y++) {
for (int x = 0; x < width; x++)
tmp[x] = LUMA_FILTER(src, 1) >> (BIT_DEPTH - 8);
src += src_stride;
tmp += MAX_PB_SIZE;
}
tmp = tmp_array + LUMA_EXTRA_BEFORE * MAX_PB_SIZE;
filter = vf;
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++)
dst[x] = av_clip_pixel((((LUMA_FILTER(tmp, MAX_PB_SIZE) >> 6) * wx + offset) >> shift) + ox);
tmp += MAX_PB_SIZE;
dst += dst_stride;
}
}
#define CHROMA_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_chroma_h)(int16_t *dst, const uint8_t *_src, const ptrdiff_t _src_stride,
const int height, const int8_t *hf, const int8_t *vf, const int width)
{
const pixel *src = (const pixel *)_src;
const ptrdiff_t src_stride = _src_stride / sizeof(pixel);
const int8_t *filter = hf;
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++)
dst[x] = CHROMA_FILTER(src, 1) >> (BIT_DEPTH - 8);
src += src_stride;
dst += MAX_PB_SIZE;
}
}
static void FUNC(put_chroma_v)(int16_t *dst, const uint8_t *_src, const ptrdiff_t _src_stride,
const int height, const int8_t *hf, const int8_t *vf, const int width)
{
const pixel *src = (const pixel *)_src;
const ptrdiff_t src_stride = _src_stride / sizeof(pixel);
const int8_t *filter = vf;
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++)
dst[x] = CHROMA_FILTER(src, src_stride) >> (BIT_DEPTH - 8);
src += src_stride;
dst += MAX_PB_SIZE;
}
}
static void FUNC(put_chroma_hv)(int16_t *dst, const uint8_t *_src, const ptrdiff_t _src_stride,
const int height, const int8_t *hf, const int8_t *vf, const int width)
{
int16_t tmp_array[(MAX_PB_SIZE + CHROMA_EXTRA) * MAX_PB_SIZE];
int16_t *tmp = tmp_array;
const pixel *src = (const pixel *)_src;
const ptrdiff_t src_stride = _src_stride / sizeof(pixel);
const int8_t *filter = hf;
src -= CHROMA_EXTRA_BEFORE * src_stride;
for (int y = 0; y < height + CHROMA_EXTRA; y++) {
for (int x = 0; x < width; x++)
tmp[x] = CHROMA_FILTER(src, 1) >> (BIT_DEPTH - 8);
src += src_stride;
tmp += MAX_PB_SIZE;
}
tmp = tmp_array + CHROMA_EXTRA_BEFORE * MAX_PB_SIZE;
filter = vf;
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++)
dst[x] = CHROMA_FILTER(tmp, MAX_PB_SIZE) >> 6;
tmp += MAX_PB_SIZE;
dst += MAX_PB_SIZE;
}
}
static void FUNC(put_uni_chroma_h)(uint8_t *_dst, const ptrdiff_t _dst_stride,
const uint8_t *_src, const ptrdiff_t _src_stride,
const int height, const int8_t *hf, const int8_t *vf, const int width)
{
const pixel *src = (const pixel *)_src;
pixel *dst = (pixel *)_dst;
const ptrdiff_t src_stride = _src_stride / sizeof(pixel);
const ptrdiff_t dst_stride = _dst_stride / sizeof(pixel);
const int8_t *filter = hf;
const int shift = 14 - BIT_DEPTH;
#if BIT_DEPTH < 14
const int offset = 1 << (shift - 1);
#else
const int offset = 0;
#endif
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++)
dst[x] = av_clip_pixel(((CHROMA_FILTER(src, 1) >> (BIT_DEPTH - 8)) + offset) >> shift);
src += src_stride;
dst += dst_stride;
}
}
static void FUNC(put_uni_chroma_v)(uint8_t *_dst, const ptrdiff_t _dst_stride,
const uint8_t *_src, const ptrdiff_t _src_stride,
const int height, const int8_t *hf, const int8_t *vf, const int width)
{
const pixel *src = (const pixel *)_src;
pixel *dst = (pixel *)_dst;
const ptrdiff_t src_stride = _src_stride / sizeof(pixel);
const ptrdiff_t dst_stride = _dst_stride / sizeof(pixel);
const int8_t *filter = vf;
const int shift = 14 - BIT_DEPTH;
#if BIT_DEPTH < 14
const int offset = 1 << (shift - 1);
#else
const int offset = 0;
#endif
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++)
dst[x] = av_clip_pixel(((CHROMA_FILTER(src, src_stride) >> (BIT_DEPTH - 8)) + offset) >> shift);
src += src_stride;
dst += dst_stride;
}
}
static void FUNC(put_uni_chroma_hv)(uint8_t *_dst, const ptrdiff_t _dst_stride,
const uint8_t *_src, const ptrdiff_t _src_stride,
const int height, const int8_t *hf, const int8_t *vf, const int width)
{
int16_t tmp_array[(MAX_PB_SIZE + CHROMA_EXTRA) * MAX_PB_SIZE];
int16_t *tmp = tmp_array;
const pixel *src = (const pixel *)_src;
pixel *dst = (pixel *)_dst;
const ptrdiff_t src_stride = _src_stride / sizeof(pixel);
const ptrdiff_t dst_stride = _dst_stride / sizeof(pixel);
const int8_t *filter = hf;
const int shift = 14 - BIT_DEPTH;
#if BIT_DEPTH < 14
const int offset = 1 << (shift - 1);
#else
const int offset = 0;
#endif
src -= CHROMA_EXTRA_BEFORE * src_stride;
for (int y = 0; y < height + CHROMA_EXTRA; y++) {
for (int x = 0; x < width; x++)
tmp[x] = CHROMA_FILTER(src, 1) >> (BIT_DEPTH - 8);
src += src_stride;
tmp += MAX_PB_SIZE;
}
tmp = tmp_array + CHROMA_EXTRA_BEFORE * MAX_PB_SIZE;
filter = vf;
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++)
dst[x] = av_clip_pixel(((CHROMA_FILTER(tmp, MAX_PB_SIZE) >> 6) + offset) >> shift);
tmp += MAX_PB_SIZE;
dst += dst_stride;
}
}
static void FUNC(put_uni_chroma_w_h)(uint8_t *_dst, ptrdiff_t _dst_stride,
const uint8_t *_src, ptrdiff_t _src_stride, int height, int denom, int wx, int ox,
const int8_t *hf, const int8_t *vf, int width)
{
const pixel *src = (const pixel *)_src;
pixel *dst = (pixel *)_dst;
const ptrdiff_t src_stride = _src_stride / sizeof(pixel);
const ptrdiff_t dst_stride = _dst_stride / sizeof(pixel);
const int8_t *filter = hf;
const int shift = denom + 14 - BIT_DEPTH;
#if BIT_DEPTH < 14
const int offset = 1 << (shift - 1);
#else
const int offset = 0;
#endif
ox = ox * (1 << (BIT_DEPTH - 8));
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
dst[x] = av_clip_pixel((((CHROMA_FILTER(src, 1) >> (BIT_DEPTH - 8)) * wx + offset) >> shift) + ox);
}
dst += dst_stride;
src += src_stride;
}
}
static void FUNC(put_uni_chroma_w_v)(uint8_t *_dst, const ptrdiff_t _dst_stride,
const uint8_t *_src, const ptrdiff_t _src_stride, const int height,
const int denom, const int wx, const int _ox, const int8_t *hf, const int8_t *vf,
const int width)
{
const pixel *src = (const pixel *)_src;
pixel *dst = (pixel *)_dst;
const ptrdiff_t src_stride = _src_stride / sizeof(pixel);
const ptrdiff_t dst_stride = _dst_stride / sizeof(pixel);
const int8_t *filter = vf;
const int shift = denom + 14 - BIT_DEPTH;
const int ox = _ox * (1 << (BIT_DEPTH - 8));
#if BIT_DEPTH < 14
int offset = 1 << (shift - 1);
#else
int offset = 0;
#endif
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
dst[x] = av_clip_pixel((((CHROMA_FILTER(src, src_stride) >> (BIT_DEPTH - 8)) * wx + offset) >> shift) + ox);
}
dst += dst_stride;
src += src_stride;
}
}
static void FUNC(put_uni_chroma_w_hv)(uint8_t *_dst, ptrdiff_t _dst_stride,
const uint8_t *_src, ptrdiff_t _src_stride, int height, int denom, int wx, int ox,
const int8_t *hf, const int8_t *vf, int width)
{
int16_t tmp_array[(MAX_PB_SIZE + CHROMA_EXTRA) * MAX_PB_SIZE];
int16_t *tmp = tmp_array;
const pixel *src = (const pixel *)_src;
pixel *dst = (pixel *)_dst;
const ptrdiff_t src_stride = _src_stride / sizeof(pixel);
const ptrdiff_t dst_stride = _dst_stride / sizeof(pixel);
const int8_t *filter = hf;
const int shift = denom + 14 - BIT_DEPTH;
#if BIT_DEPTH < 14
const int offset = 1 << (shift - 1);
#else
const int offset = 0;
#endif
src -= CHROMA_EXTRA_BEFORE * src_stride;
for (int y = 0; y < height + CHROMA_EXTRA; y++) {
for (int x = 0; x < width; x++)
tmp[x] = CHROMA_FILTER(src, 1) >> (BIT_DEPTH - 8);
src += src_stride;
tmp += MAX_PB_SIZE;
}
tmp = tmp_array + CHROMA_EXTRA_BEFORE * MAX_PB_SIZE;
filter = vf;
ox = ox * (1 << (BIT_DEPTH - 8));
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++)
dst[x] = av_clip_pixel((((CHROMA_FILTER(tmp, MAX_PB_SIZE) >> 6) * wx + offset) >> shift) + ox);
tmp += MAX_PB_SIZE;
dst += dst_stride;
}
}