/* * Copyright (c) 2021 Loongson Technology Corporation Limited * Contributed by Hao Chen * * 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 "libavutil/loongarch/cpu.h" #include "idctdsp_loongarch.h" #include "libavcodec/xvididct.h" av_cold void ff_idctdsp_init_loongarch(IDCTDSPContext *c, AVCodecContext *avctx, unsigned high_bit_depth) { int cpu_flags = av_get_cpu_flags(); if (have_lasx(cpu_flags)) { if ((avctx->lowres != 1) && (avctx->lowres != 2) && (avctx->lowres != 3) && (avctx->bits_per_raw_sample != 10) && (avctx->bits_per_raw_sample != 12) && (avctx->idct_algo == FF_IDCT_AUTO)) { c->idct_put = ff_simple_idct_put_lasx; c->idct_add = ff_simple_idct_add_lasx; c->idct = ff_simple_idct_lasx; c->perm_type = FF_IDCT_PERM_NONE; } c->put_pixels_clamped = ff_put_pixels_clamped_lasx; c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_lasx; c->add_pixels_clamped = ff_add_pixels_clamped_lasx; } }