mirror of https://git.ffmpeg.org/ffmpeg.git
51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
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/*
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* Copyright (C) 2022 Loongson Technology Corporation Limited
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* Contributed by Hao Chen(chenhao@loongson.cn)
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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 "swscale_loongarch.h"
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#include "libswscale/swscale_internal.h"
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#include "libavutil/loongarch/cpu.h"
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av_cold void ff_sws_init_swscale_loongarch(SwsContext *c)
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{
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int cpu_flags = av_get_cpu_flags();
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if (have_lasx(cpu_flags)) {
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if (c->srcBpc == 8) {
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if (c->dstBpc <= 14) {
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c->hyScale = c->hcScale = ff_hscale_8_to_15_lasx;
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} else {
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c->hyScale = c->hcScale = ff_hscale_8_to_19_lasx;
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}
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} else {
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c->hyScale = c->hcScale = c->dstBpc > 14 ? ff_hscale_16_to_19_lasx
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: ff_hscale_16_to_15_lasx;
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}
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switch (c->srcFormat) {
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case AV_PIX_FMT_GBRAP:
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case AV_PIX_FMT_GBRP:
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{
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c->readChrPlanar = planar_rgb_to_uv_lasx;
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c->readLumPlanar = planar_rgb_to_y_lasx;
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}
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break;
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}
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}
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}
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