| /* |
| * 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 "config.h" |
| |
| #include "libavutil/attributes.h" |
| #include "libavutil/cpu.h" |
| #include "libavcodec/aacpsdsp.h" |
| |
| void ff_ps_add_squares_rvv(float *dst, const float (*src)[2], int n); |
| void ff_ps_mul_pair_single_rvv(float (*dst)[2], float (*src0)[2], float *src1, |
| int n); |
| void ff_ps_hybrid_analysis_rvv(float (*out)[2], float (*in)[2], |
| const float (*filter)[8][2], ptrdiff_t, int n); |
| void ff_ps_hybrid_analysis_ileave_rvv(float (*out)[32][2], float L[2][38][64], |
| int i, int len); |
| void ff_ps_hybrid_synthesis_deint_rvv(float out[2][38][64], float (*in)[32][2], |
| int i, int len); |
| |
| void ff_ps_stereo_interpolate_rvv(float (*l)[2], float (*r)[2], |
| float h[2][4], float h_step[2][4], int len); |
| |
| av_cold void ff_psdsp_init_riscv(PSDSPContext *c) |
| { |
| #if HAVE_RVV |
| int flags = av_get_cpu_flags(); |
| |
| if (flags & AV_CPU_FLAG_RVV_F32) { |
| c->hybrid_analysis = ff_ps_hybrid_analysis_rvv; |
| |
| if (flags & AV_CPU_FLAG_RVB_ADDR) { |
| if (flags & AV_CPU_FLAG_RVV_I64) { |
| c->add_squares = ff_ps_add_squares_rvv; |
| c->hybrid_synthesis_deint = ff_ps_hybrid_synthesis_deint_rvv; |
| } |
| c->mul_pair_single = ff_ps_mul_pair_single_rvv; |
| c->stereo_interpolate[0] = ff_ps_stereo_interpolate_rvv; |
| } |
| } |
| |
| if ((flags & AV_CPU_FLAG_RVV_I32) && (flags & AV_CPU_FLAG_RVB_ADDR)) |
| c->hybrid_analysis_ileave = ff_ps_hybrid_analysis_ileave_rvv; |
| #endif |
| } |