| /* |
| * Copyright © 2022 Rémi Denis-Courmont. |
| * |
| * 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 "libavutil/attributes.h" |
| #include "libavutil/cpu.h" |
| #include "libavutil/riscv/cpu.h" |
| #include "libavcodec/avcodec.h" |
| #include "libavcodec/idctdsp.h" |
| |
| void ff_put_pixels_clamped_rvv(const int16_t *block, uint8_t *pixels, |
| ptrdiff_t stride); |
| void ff_put_signed_pixels_clamped_rvv(const int16_t *block, uint8_t *pixels, |
| ptrdiff_t stride); |
| void ff_add_pixels_clamped_rvv(const int16_t *block, uint8_t *pixels, |
| ptrdiff_t stride); |
| |
| av_cold void ff_idctdsp_init_riscv(IDCTDSPContext *c, AVCodecContext *avctx, |
| unsigned high_bit_depth) |
| { |
| #if HAVE_RVV |
| int flags = av_get_cpu_flags(); |
| |
| if ((flags & AV_CPU_FLAG_RVV_I64) && ff_rv_vlen_least(128)) { |
| c->put_pixels_clamped = ff_put_pixels_clamped_rvv; |
| c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_rvv; |
| c->add_pixels_clamped = ff_add_pixels_clamped_rvv; |
| } |
| #endif |
| } |