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/*
* Copyright (c) 2024 Institue of Software Chinese Academy of Sciences (ISCAS).
*
* 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 "config.h"
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/riscv/cpu.h"
#include "libavcodec/vvc/dsp.h"
#include "libavcodec/vvc/dec.h"
#include "libavcodec/riscv/h26x/h2656dsp.h"
#define bf(fn, bd, opt) fn##_##bd##_##opt
#define AVG_PROTOTYPES(bd, opt) \
void bf(ff_vvc_avg, bd, opt)(uint8_t *dst, ptrdiff_t dst_stride, \
const int16_t *src0, const int16_t *src1, int width, int height); \
void bf(ff_vvc_w_avg, bd, opt)(uint8_t *dst, ptrdiff_t dst_stride, \
const int16_t *src0, const int16_t *src1, int width, int height, \
int denom, int w0, int w1, int o0, int o1);
AVG_PROTOTYPES(8, rvv_128)
AVG_PROTOTYPES(8, rvv_256)
#define DMVR_PROTOTYPES(bd, opt) \
void ff_vvc_dmvr_##bd##_##opt(int16_t *dst, const uint8_t *src, ptrdiff_t src_stride, \
int height, intptr_t mx, intptr_t my, int width); \
void ff_vvc_dmvr_h_##bd##_##opt(int16_t *dst, const uint8_t *src, ptrdiff_t src_stride, \
int height, intptr_t mx, intptr_t my, int width); \
void ff_vvc_dmvr_v_##bd##_##opt(int16_t *dst, const uint8_t *src, ptrdiff_t src_stride, \
int height, intptr_t mx, intptr_t my, int width); \
void ff_vvc_dmvr_hv_##bd##_##opt(int16_t *dst, const uint8_t *src, ptrdiff_t src_stride, \
int height, intptr_t mx, intptr_t my, int width); \
DMVR_PROTOTYPES(8, rvv_128)
DMVR_PROTOTYPES(8, rvv_256)
#define DMVR_INIT(bd, opt) do { \
c->inter.dmvr[0][0] = ff_vvc_dmvr_##bd##_##opt; \
c->inter.dmvr[0][1] = ff_vvc_dmvr_h_##bd##_##opt; \
c->inter.dmvr[1][0] = ff_vvc_dmvr_v_##bd##_##opt; \
c->inter.dmvr[1][1] = ff_vvc_dmvr_hv_##bd##_##opt; \
} while (0)
int ff_vvc_sad_rvv_128(const int16_t *src0, const int16_t *src1, int dx, int dy, int block_w, int block_h);
int ff_vvc_sad_rvv_256(const int16_t *src0, const int16_t *src1, int dx, int dy, int block_w, int block_h);
#define PUT_PIXELS_PROTOTYPES2(bd, opt) \
void bf(ff_vvc_put_pixels, bd, opt)(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);
PUT_PIXELS_PROTOTYPES2(8, rvv_128)
PUT_PIXELS_PROTOTYPES2(8, rvv_256)
#define PEL_FUNC(dst, C, idx1, idx2, a) \
do { \
for (int w = 1; w < 7; w++) \
c->inter.dst[C][w][idx1][idx2] = a; \
} while (0) \
#define FUNCS(C, opt) \
PEL_FUNC(put, C, 0, 0, ff_vvc_put_pixels_8_##opt); \
void ff_vvc_dsp_init_riscv(VVCDSPContext *const c, const int bd)
{
#if HAVE_RVV
const int flags = av_get_cpu_flags();
int vlenb;
if (!(flags & AV_CPU_FLAG_RVV_I32) || !(flags & AV_CPU_FLAG_RVB))
return;
vlenb = ff_get_rv_vlenb();
if (vlenb >= 32) {
switch (bd) {
case 8:
c->inter.avg = ff_vvc_avg_8_rvv_256;
# if (__riscv_xlen == 64)
c->inter.w_avg = ff_vvc_w_avg_8_rvv_256;
# endif
DMVR_INIT(8, rvv_256);
FUNCS(LUMA, rvv_256);
FUNCS(CHROMA, rvv_256);
break;
case 10:
c->inter.sad = ff_vvc_sad_rvv_256;
default:
break;
}
} else if (vlenb >= 16) {
switch (bd) {
case 8:
c->inter.avg = ff_vvc_avg_8_rvv_128;
# if (__riscv_xlen == 64)
c->inter.w_avg = ff_vvc_w_avg_8_rvv_128;
# endif
DMVR_INIT(8, rvv_128);
FUNCS(LUMA, rvv_128);
FUNCS(CHROMA, rvv_128);
break;
case 10:
c->inter.sad = ff_vvc_sad_rvv_128;
default:
break;
}
}
#endif
}
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