mirror of
https://github.com/FFmpeg/FFmpeg.git
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b3825bbe45
This should fix the build on LLVM 16 and earlier, at the cost of turning all non-RVV optimisations off.
75 lines
2.6 KiB
C
75 lines
2.6 KiB
C
/*
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* Copyright © 2022 Rémi Denis-Courmont.
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdint.h>
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#include "config.h"
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#include "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/riscv/cpu.h"
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#include "libavcodec/avcodec.h"
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#include "libavcodec/pixblockdsp.h"
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void ff_get_pixels_8_rvi(int16_t *block, const uint8_t *pixels,
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ptrdiff_t stride);
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void ff_get_pixels_16_rvi(int16_t *block, const uint8_t *pixels,
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ptrdiff_t stride);
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void ff_get_pixels_8_rvv(int16_t *block, const uint8_t *pixels,
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ptrdiff_t stride);
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void ff_get_pixels_unaligned_8_rvv(int16_t *block, const uint8_t *pixels,
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ptrdiff_t stride);
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void ff_diff_pixels_rvv(int16_t *block, const uint8_t *s1,
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const uint8_t *s2, ptrdiff_t stride);
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void ff_diff_pixels_unaligned_rvv(int16_t *block, const uint8_t *s1,
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const uint8_t *s2, ptrdiff_t stride);
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av_cold void ff_pixblockdsp_init_riscv(PixblockDSPContext *c,
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AVCodecContext *avctx,
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unsigned high_bit_depth)
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{
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#if HAVE_RV
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int cpu_flags = av_get_cpu_flags();
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if (cpu_flags & AV_CPU_FLAG_RVI) {
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if (high_bit_depth)
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c->get_pixels = ff_get_pixels_16_rvi;
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else
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c->get_pixels = ff_get_pixels_8_rvi;
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}
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#if HAVE_RVV
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if ((cpu_flags & AV_CPU_FLAG_RVV_I32) && ff_get_rv_vlenb() >= 16) {
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c->diff_pixels = ff_diff_pixels_unaligned_rvv;
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c->diff_pixels_unaligned = ff_diff_pixels_unaligned_rvv;
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}
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if ((cpu_flags & AV_CPU_FLAG_RVV_I64) && ff_get_rv_vlenb() >= 16) {
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if (!high_bit_depth) {
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c->get_pixels = ff_get_pixels_8_rvv;
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c->get_pixels_unaligned = ff_get_pixels_unaligned_8_rvv;
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}
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c->diff_pixels = ff_diff_pixels_rvv;
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}
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#endif
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#endif
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}
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