| /* |
| * Copyright (c) 2021 Loongson Technology Corporation Limited |
| * Contributed by Hao Chen <chenhao@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 "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; |
| } |
| } |