diff options
Diffstat (limited to 'libavcodec/loongarch/idctdsp_init_loongarch.c')
| -rw-r--r-- | libavcodec/loongarch/idctdsp_init_loongarch.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/libavcodec/loongarch/idctdsp_init_loongarch.c b/libavcodec/loongarch/idctdsp_init_loongarch.c new file mode 100644 index 0000000000..9d1d21cc18 --- /dev/null +++ b/libavcodec/loongarch/idctdsp_init_loongarch.c @@ -0,0 +1,45 @@ +/* + * 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; + } +} |