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vvcdec: add dsp init and inv transform 

Co-authored-by: Xu Mu <toxumu@outlook.com>
Co-authored-by: Frank Plowman <post@frankplowman.com>
Co-authored-by: Shaun Loo <shaunloo10@gmail.com>
Co-authored-by: Wu Jianhua <toqsxw@outlook.com>
This commit is contained in:
Nuo Mi 2023-12-05 22:45:16 +08:00
parent 02c1455b44
commit b49575f4cf
3 changed files with 263 additions and 1 deletions
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3
libavcodec/vvc/Makefile
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@ -1,7 +1,8 @@
clean::
$(RM) $(CLEANSUFFIXES:%=libavcodec/vvc/%)
OBJS-$(CONFIG_VVC_DECODER) += vvc/vvc_cabac.o \
OBJS-$(CONFIG_VVC_DECODER) += vvc/vvcdsp.o \
vvc/vvc_cabac.o \
vvc/vvc_ctu.o \
vvc/vvc_data.o \
vvc/vvc_filter.o \

141
libavcodec/vvc/vvcdsp.c Normal file
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@ -0,0 +1,141 @@
/*
* VVC DSP
*
* Copyright (C) 2021 Nuo Mi
*
* 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 "vvcdsp.h"
#include "vvc_ctu.h"
#include "vvc_itx_1d.h"
#define VVC_SIGN(v) (v < 0 ? -1 : !!v)
static void av_always_inline pad_int16(int16_t *_dst, const ptrdiff_t dst_stride, const int width, const int height)
{
const int padded_width = width + 2;
int16_t *dst;
for (int y = 0; y < height; y++) {
dst = _dst + y * dst_stride;
for (int x = 0; x < width; x++) {
dst[-1] = dst[0];
dst[width] = dst[width - 1];
}
}
_dst--;
//top
memcpy(_dst - dst_stride, _dst, padded_width * sizeof(int16_t));
//bottom
_dst += dst_stride * height;
memcpy(_dst, _dst - dst_stride, padded_width * sizeof(int16_t));
}
static int vvc_sad(const int16_t *src0, const int16_t *src1, int dx, int dy,
const int block_w, const int block_h)
{
int sad = 0;
dx -= 2;
dy -= 2;
src0 += (2 + dy) * MAX_PB_SIZE + 2 + dx;
src1 += (2 - dy) * MAX_PB_SIZE + 2 - dx;
for (int y = 0; y < block_h; y += 2) {
for (int x = 0; x < block_w; x++) {
sad += FFABS(src0[x] - src1[x]);
}
src0 += 2 * MAX_PB_SIZE;
src1 += 2 * MAX_PB_SIZE;
}
return sad;
}
#define itx_fn(type, s) \
static void itx_##type##_##s(int *coeffs, ptrdiff_t step, size_t nz) \
{ \
ff_vvc_inv_##type##_##s(coeffs, step, nz); \
}
#define itx_fn_common(type) \
itx_fn(type, 4); \
itx_fn(type, 8); \
itx_fn(type, 16); \
itx_fn(type, 32); \
itx_fn_common(dct2);
itx_fn_common(dst7);
itx_fn_common(dct8);
itx_fn(dct2, 2);
itx_fn(dct2, 64);
typedef struct IntraEdgeParams {
uint8_t* top;
uint8_t* left;
int filter_flag;
uint16_t left_array[3 * MAX_TB_SIZE + 3];
uint16_t filtered_left_array[3 * MAX_TB_SIZE + 3];
uint16_t top_array[3 * MAX_TB_SIZE + 3];
uint16_t filtered_top_array[3 * MAX_TB_SIZE + 3];
} IntraEdgeParams;
#define PROF_BORDER_EXT 1
#define PROF_BLOCK_SIZE (AFFINE_MIN_BLOCK_SIZE + PROF_BORDER_EXT * 2)
#define BDOF_BORDER_EXT 1
#define BDOF_PADDED_SIZE (16 + BDOF_BORDER_EXT * 2)
#define BDOF_BLOCK_SIZE 4
#define BDOF_GRADIENT_SIZE (BDOF_BLOCK_SIZE + BDOF_BORDER_EXT * 2)
#define BIT_DEPTH 8
#include "vvcdsp_template.c"
#undef BIT_DEPTH
#define BIT_DEPTH 10
#include "vvcdsp_template.c"
#undef BIT_DEPTH
#define BIT_DEPTH 12
#include "vvcdsp_template.c"
#undef BIT_DEPTH
void ff_vvc_dsp_init(VVCDSPContext *vvcdsp, int bit_depth)
{
#undef FUNC
#define FUNC(a, depth) a ## _ ## depth
#define VVC_DSP(depth) \
FUNC(ff_vvc_inter_dsp_init, depth)(&vvcdsp->inter); \
FUNC(ff_vvc_intra_dsp_init, depth)(&vvcdsp->intra); \
FUNC(ff_vvc_itx_dsp_init, depth)(&vvcdsp->itx); \
FUNC(ff_vvc_lmcs_dsp_init, depth)(&vvcdsp->lmcs); \
FUNC(ff_vvc_lf_dsp_init, depth)(&vvcdsp->lf); \
FUNC(ff_vvc_sao_dsp_init, depth)(&vvcdsp->sao); \
FUNC(ff_vvc_alf_dsp_init, depth)(&vvcdsp->alf); \
switch (bit_depth) {
case 12:
VVC_DSP(12);
break;
case 10:
VVC_DSP(10);
break;
default:
VVC_DSP(8);
break;
}
}

120
libavcodec/vvc/vvcdsp_template.c Normal file
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/*
* VVC transform and residual DSP
*
* Copyright (C) 2021 Nuo Mi
*
* 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 "libavutil/frame.h"
#include "libavcodec/bit_depth_template.c"
#include "vvcdec.h"
#include "vvc_data.h"
#include "vvc_inter_template.c"
#include "vvc_intra_template.c"
#include "vvc_filter_template.c"
static void FUNC(add_residual)(uint8_t *_dst, const int *res,
const int w, const int h, const ptrdiff_t _stride)
{
pixel *dst = (pixel *)_dst;
const int stride = _stride / sizeof(pixel);
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++) {
dst[x] = av_clip_pixel(dst[x] + *res);
res++;
}
dst += stride;
}
}
static void FUNC(add_residual_joint)(uint8_t *_dst, const int *res,
const int w, const int h, const ptrdiff_t _stride, const int c_sign, const int shift)
{
pixel *dst = (pixel *)_dst;
const int stride = _stride / sizeof(pixel);
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++) {
const int r = ((*res) * c_sign) >> shift;
dst[x] = av_clip_pixel(dst[x] + r);
res++;
}
dst += stride;
}
}
static void FUNC(pred_residual_joint)(int *buf, const int w, const int h,
const int c_sign, const int shift)
{
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++) {
*buf = ((*buf) * c_sign) >> shift;
buf++;
}
}
}
static void FUNC(transform_bdpcm)(int *coeffs, const int width, const int height,
const int vertical, const int log2_transform_range)
{
int x, y;
if (vertical) {
coeffs += width;
for (y = 0; y < height - 1; y++) {
for (x = 0; x < width; x++)
coeffs[x] = av_clip_intp2(coeffs[x] + coeffs[x - width], log2_transform_range);
coeffs += width;
}
} else {
for (y = 0; y < height; y++) {
for (x = 1; x < width; x++)
coeffs[x] = av_clip_intp2(coeffs[x] + coeffs[x - 1], log2_transform_range);
coeffs += width;
}
}
}
static void FUNC(ff_vvc_itx_dsp_init)(VVCItxDSPContext *const itx)
{
#define VVC_ITX(TYPE, type, s) \
itx->itx[TYPE][TX_SIZE_##s] = itx_##type##_##s; \
#define VVC_ITX_COMMON(TYPE, type) \
VVC_ITX(TYPE, type, 4); \
VVC_ITX(TYPE, type, 8); \
VVC_ITX(TYPE, type, 16); \
VVC_ITX(TYPE, type, 32);
itx->add_residual = FUNC(add_residual);
itx->add_residual_joint = FUNC(add_residual_joint);
itx->pred_residual_joint = FUNC(pred_residual_joint);
itx->transform_bdpcm = FUNC(transform_bdpcm);
VVC_ITX(DCT2, dct2, 2)
VVC_ITX(DCT2, dct2, 64)
VVC_ITX_COMMON(DCT2, dct2)
VVC_ITX_COMMON(DCT8, dct8)
VVC_ITX_COMMON(DST7, dst7)
#undef VVC_ITX
#undef VVC_ITX_COMMON
}