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/*
* RISC-V optimised DSP functions
* Copyright (c) 2024 Niklas Haas
*
* 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 <stdint.h>
#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/riscv/cpu.h"
#include "libavcodec/h264qpel.h"
#define DECL_QPEL_OPS(OP, SIZE, EXT) \
void ff_ ## OP ## _h264_qpel ## SIZE ## _mc00_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
void ff_ ## OP ## _h264_qpel ## SIZE ## _mc10_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
void ff_ ## OP ## _h264_qpel ## SIZE ## _mc20_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
void ff_ ## OP ## _h264_qpel ## SIZE ## _mc30_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
void ff_ ## OP ## _h264_qpel ## SIZE ## _mc01_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
void ff_ ## OP ## _h264_qpel ## SIZE ## _mc11_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
void ff_ ## OP ## _h264_qpel ## SIZE ## _mc21_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
void ff_ ## OP ## _h264_qpel ## SIZE ## _mc31_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
void ff_ ## OP ## _h264_qpel ## SIZE ## _mc02_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
void ff_ ## OP ## _h264_qpel ## SIZE ## _mc12_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
void ff_ ## OP ## _h264_qpel ## SIZE ## _mc22_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
void ff_ ## OP ## _h264_qpel ## SIZE ## _mc32_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
void ff_ ## OP ## _h264_qpel ## SIZE ## _mc03_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
void ff_ ## OP ## _h264_qpel ## SIZE ## _mc13_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
void ff_ ## OP ## _h264_qpel ## SIZE ## _mc23_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
void ff_ ## OP ## _h264_qpel ## SIZE ## _mc33_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride);
DECL_QPEL_OPS(put, 16, rvv256)
DECL_QPEL_OPS(put, 8, rvv256)
// DECL_QPEL_OPS(put, 4, rvv256)
DECL_QPEL_OPS(avg, 16, rvv256)
DECL_QPEL_OPS(avg, 8, rvv256)
// DECL_QPEL_OPS(avg, 4, rvv256)
DECL_QPEL_OPS(put, 16, rvv)
DECL_QPEL_OPS(put, 8, rvv)
DECL_QPEL_OPS(put, 4, rvv)
DECL_QPEL_OPS(avg, 16, rvv)
DECL_QPEL_OPS(avg, 8, rvv)
DECL_QPEL_OPS(avg, 4, rvv)
#define SET_QPEL_FNS(OP, IDX, SIZE, EXT) \
do { \
c->OP ## _h264_qpel_pixels_tab[IDX][ 0] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc00_ ## EXT; \
c->OP ## _h264_qpel_pixels_tab[IDX][ 1] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc10_ ## EXT; \
c->OP ## _h264_qpel_pixels_tab[IDX][ 2] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc20_ ## EXT; \
c->OP ## _h264_qpel_pixels_tab[IDX][ 3] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc30_ ## EXT; \
c->OP ## _h264_qpel_pixels_tab[IDX][ 4] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc01_ ## EXT; \
c->OP ## _h264_qpel_pixels_tab[IDX][ 5] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc11_ ## EXT; \
c->OP ## _h264_qpel_pixels_tab[IDX][ 6] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc21_ ## EXT; \
c->OP ## _h264_qpel_pixels_tab[IDX][ 7] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc31_ ## EXT; \
c->OP ## _h264_qpel_pixels_tab[IDX][ 8] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc02_ ## EXT; \
c->OP ## _h264_qpel_pixels_tab[IDX][ 9] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc12_ ## EXT; \
c->OP ## _h264_qpel_pixels_tab[IDX][10] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc22_ ## EXT; \
c->OP ## _h264_qpel_pixels_tab[IDX][11] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc32_ ## EXT; \
c->OP ## _h264_qpel_pixels_tab[IDX][12] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc03_ ## EXT; \
c->OP ## _h264_qpel_pixels_tab[IDX][13] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc13_ ## EXT; \
c->OP ## _h264_qpel_pixels_tab[IDX][14] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc23_ ## EXT; \
c->OP ## _h264_qpel_pixels_tab[IDX][15] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc33_ ## EXT; \
} while (0)
av_cold void ff_h264qpel_init_riscv(H264QpelContext *c, int bit_depth)
{
#if HAVE_RVV
int flags = av_get_cpu_flags();
if (flags & AV_CPU_FLAG_RVV_I32) {
const int vlen = 8 * ff_get_rv_vlenb();
switch (bit_depth) {
case 8:
if (vlen >= 256) {
SET_QPEL_FNS(put, 0, 16, rvv256);
SET_QPEL_FNS(put, 1, 8, rvv256);
SET_QPEL_FNS(put, 2, 4, rvv);
SET_QPEL_FNS(avg, 0, 16, rvv256);
SET_QPEL_FNS(avg, 1, 8, rvv256);
SET_QPEL_FNS(avg, 2, 4, rvv);
} else if (vlen >= 128) {
SET_QPEL_FNS(put, 0, 16, rvv);
SET_QPEL_FNS(put, 1, 8, rvv);
SET_QPEL_FNS(put, 2, 4, rvv);
SET_QPEL_FNS(avg, 0, 16, rvv);
SET_QPEL_FNS(avg, 1, 8, rvv);
SET_QPEL_FNS(avg, 2, 4, rvv);
}
break;
}
}
#endif
}
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