| /* |
| * Copyright © 2023 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 "config.h" |
| #include "libavutil/attributes.h" |
| #include "libavutil/cpu.h" |
| #include "libavutil/riscv/cpu.h" |
| #include "libavcodec/sbrdsp.h" |
| |
| void ff_sbr_sum64x5_rvv(float *z); |
| float ff_sbr_sum_square_rvv(float (*x)[2], int n); |
| void ff_sbr_autocorrelate_rvv(const float x[40][2], float phi[3][2][2]); |
| void ff_sbr_hf_gen_rvv(float (*X_high)[2], const float (*X_low)[2], |
| const float alpha0[2], const float alpha1[2], |
| float bw, int start, int end); |
| void ff_sbr_hf_g_filt_rvv(float (*Y)[2], const float (*X_high)[40][2], |
| const float *g_filt, int m_max, intptr_t ixh); |
| void ff_sbr_hf_apply_noise_0_rvv(float (*Y)[2], const float *s, |
| const float *f, int n, int kx, int max); |
| void ff_sbr_hf_apply_noise_1_rvv(float (*Y)[2], const float *s, |
| const float *f, int n, int kx, int max); |
| void ff_sbr_hf_apply_noise_2_rvv(float (*Y)[2], const float *s, |
| const float *f, int n, int kx, int max); |
| void ff_sbr_hf_apply_noise_3_rvv(float (*Y)[2], const float *s, |
| const float *f, int n, int kx, int max); |
| |
| av_cold void ff_sbrdsp_init_riscv(SBRDSPContext *c) |
| { |
| #if HAVE_RVV |
| int flags = av_get_cpu_flags(); |
| |
| if (flags & AV_CPU_FLAG_RVV_F32) { |
| if (flags & AV_CPU_FLAG_RVB_ADDR) { |
| c->sum64x5 = ff_sbr_sum64x5_rvv; |
| c->sum_square = ff_sbr_sum_square_rvv; |
| c->hf_gen = ff_sbr_hf_gen_rvv; |
| c->hf_g_filt = ff_sbr_hf_g_filt_rvv; |
| if (ff_rv_vlen_least(128)) { |
| c->hf_apply_noise[0] = ff_sbr_hf_apply_noise_0_rvv; |
| c->hf_apply_noise[2] = ff_sbr_hf_apply_noise_2_rvv; |
| if (flags & AV_CPU_FLAG_RVB_BASIC) { |
| c->hf_apply_noise[1] = ff_sbr_hf_apply_noise_1_rvv; |
| c->hf_apply_noise[3] = ff_sbr_hf_apply_noise_3_rvv; |
| } |
| } |
| } |
| c->autocorrelate = ff_sbr_autocorrelate_rvv; |
| } |
| #endif |
| } |