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FFmpeg/libavcodec/riscv/vorbisdsp_init.c
Rémi Denis-Courmont b6585eb04c lavu: add/use flag for RISC-V Zba extension
The code was blindly assuming that Zbb or V implied Zba. While the
earlier is practically always true, the later broke some QEMU setups,
as V was introduced earlier than Zba.
2023-07-19 19:29:35 +03:00

38 lines
1.3 KiB
C

/*
* 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/vorbisdsp.h"
void ff_vorbis_inverse_coupling_rvv(float *mag, float *ang,
ptrdiff_t blocksize);
av_cold void ff_vorbisdsp_init_riscv(VorbisDSPContext *c)
{
#if HAVE_RVV
int flags = av_get_cpu_flags();
if ((flags & AV_CPU_FLAG_RVV_I32) && (flags & AV_CPU_FLAG_RVB_ADDR))
c->vorbis_inverse_coupling = ff_vorbis_inverse_coupling_rvv;
#endif
}