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| author | Rémi Denis-Courmont <remi@remlab.net> | 2022-09-27 23:04:25 +0300 |
|---|---|---|
| committer | Lynne <dev@lynne.ee> | 2022-09-28 11:46:11 +0200 |
| commit | 676b08cb703d412e4b60a598615365928489300b (patch) | |
| tree | 19aac957d3ae35990912dcbac76fc2cd21b7b355 /libavcodec | |
| parent | 2746329ce25fb3d30bbf2aab187e90e21ae98064 (diff) | |
| download | ffmpeg-676b08cb703d412e4b60a598615365928489300b.tar.gz | |
lavc/pixblockdsp: RISC-V V 8-bit get_pixels & get_pixels_unaligned
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/riscv/Makefile | 1 | ||||
| -rw-r--r-- | libavcodec/riscv/pixblockdsp_init.c | 12 | ||||
| -rw-r--r-- | libavcodec/riscv/pixblockdsp_rvv.S | 37 |
3 files changed, 50 insertions, 0 deletions
diff --git a/libavcodec/riscv/Makefile b/libavcodec/riscv/Makefile index 96925afdab..0fb2c81c75 100644 --- a/libavcodec/riscv/Makefile +++ b/libavcodec/riscv/Makefile @@ -9,5 +9,6 @@ OBJS-$(CONFIG_IDCTDSP) += riscv/idctdsp_init.o RVV-OBJS-$(CONFIG_IDCTDSP) += riscv/idctdsp_rvv.o OBJS-$(CONFIG_PIXBLOCKDSP) += riscv/pixblockdsp_init.o \ riscv/pixblockdsp_rvi.o +RVV-OBJS-$(CONFIG_PIXBLOCKDSP) += riscv/pixblockdsp_rvv.o OBJS-$(CONFIG_VORBIS_DECODER) += riscv/vorbisdsp_init.o RVV-OBJS-$(CONFIG_VORBIS_DECODER) += riscv/vorbisdsp_rvv.o diff --git a/libavcodec/riscv/pixblockdsp_init.c b/libavcodec/riscv/pixblockdsp_init.c index 04bf52649f..69dbd18918 100644 --- a/libavcodec/riscv/pixblockdsp_init.c +++ b/libavcodec/riscv/pixblockdsp_init.c @@ -20,8 +20,10 @@ #include <stdint.h> +#include "config.h" #include "libavutil/attributes.h" #include "libavutil/cpu.h" +#include "libavutil/riscv/cpu.h" #include "libavcodec/avcodec.h" #include "libavcodec/pixblockdsp.h" @@ -30,6 +32,9 @@ void ff_get_pixels_8_rvi(int16_t *block, const uint8_t *pixels, void ff_get_pixels_16_rvi(int16_t *block, const uint8_t *pixels, ptrdiff_t stride); +void ff_get_pixels_8_rvv(int16_t *block, const uint8_t *pixels, + ptrdiff_t stride); + av_cold void ff_pixblockdsp_init_riscv(PixblockDSPContext *c, AVCodecContext *avctx, unsigned high_bit_depth) @@ -42,4 +47,11 @@ av_cold void ff_pixblockdsp_init_riscv(PixblockDSPContext *c, else c->get_pixels = ff_get_pixels_8_rvi; } + +#if HAVE_RVV + if ((cpu_flags & AV_CPU_FLAG_RVV_I32) && ff_get_rv_vlenb() >= 16) { + if (!high_bit_depth) + c->get_pixels_unaligned = c->get_pixels = ff_get_pixels_8_rvv; + } +#endif } diff --git a/libavcodec/riscv/pixblockdsp_rvv.S b/libavcodec/riscv/pixblockdsp_rvv.S new file mode 100644 index 0000000000..8d4322d8bc --- /dev/null +++ b/libavcodec/riscv/pixblockdsp_rvv.S @@ -0,0 +1,37 @@ +/* + * 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/riscv/asm.S" + +func ff_get_pixels_8_rvv, zve32x + vsetivli zero, 8, e8, mf2, ta, ma + vlsseg8e8.v v16, (a1), a2 + vwcvtu.x.x.v v8, v16 + vwcvtu.x.x.v v9, v17 + vwcvtu.x.x.v v10, v18 + vwcvtu.x.x.v v11, v19 + vwcvtu.x.x.v v12, v20 + vwcvtu.x.x.v v13, v21 + vwcvtu.x.x.v v14, v22 + vwcvtu.x.x.v v15, v23 + vsseg8e16.v v8, (a0) + ret +endfunc |