ffmpeg/libswscale/loongarch/input_lsx.c

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/*
* Copyright (C) 2024 Loongson Technology Corporation Limited
* Contributed by Shiyou Yin<yinshiyou-hf@loongson.cn>
*
* 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 "swscale_loongarch.h"
av_cold void ff_sws_init_input_lsx(SwsContext *c)
{
enum AVPixelFormat srcFormat = c->srcFormat;
switch (srcFormat) {
case AV_PIX_FMT_YUYV422:
c->chrToYV12 = yuy2ToUV_lsx;
break;
case AV_PIX_FMT_YVYU422:
c->chrToYV12 = yvy2ToUV_lsx;
break;
case AV_PIX_FMT_UYVY422:
c->chrToYV12 = uyvyToUV_lsx;
break;
case AV_PIX_FMT_NV12:
case AV_PIX_FMT_NV16:
case AV_PIX_FMT_NV24:
c->chrToYV12 = nv12ToUV_lsx;
break;
case AV_PIX_FMT_NV21:
case AV_PIX_FMT_NV42:
c->chrToYV12 = nv21ToUV_lsx;
break;
case AV_PIX_FMT_GBRAP:
case AV_PIX_FMT_GBRP:
c->readChrPlanar = planar_rgb_to_uv_lsx;
break;
}
if (c->needAlpha) {
switch (srcFormat) {
case AV_PIX_FMT_BGRA:
case AV_PIX_FMT_RGBA:
c->alpToYV12 = rgbaToA_lsx;
break;
case AV_PIX_FMT_ABGR:
case AV_PIX_FMT_ARGB:
c->alpToYV12 = abgrToA_lsx;
break;
}
}
}