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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-07 11:13:41 +02:00
FFmpeg/libavcodec/loongarch/idctdsp_loongarch.h
Hao Chen 555b850bd5 avcodec: [loongarch] Optimize idctdstp with LASX.
./ffmpeg -i 8_mpeg4_1080p_24fps_12Mbps.avi -f rawvideo -y /dev/null -an
before:433fps
after :552fps

Reviewed-by: 殷时友 <yinshiyou-hf@loongson.cn>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-01-04 15:55:05 +01:00

42 lines
1.8 KiB
C

/*
* 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
*/
#ifndef AVCODEC_LOONGARCH_IDCTDSP_LOONGARCH_H
#define AVCODEC_LOONGARCH_IDCTDSP_LOONGARCH_H
#include <stdint.h>
#include "libavcodec/mpegvideo.h"
void ff_simple_idct_lasx(int16_t *block);
void ff_simple_idct_put_lasx(uint8_t *dest, ptrdiff_t stride_dst, int16_t *block);
void ff_simple_idct_add_lasx(uint8_t *dest, ptrdiff_t stride_dst, int16_t *block);
void ff_put_pixels_clamped_lasx(const int16_t *block,
uint8_t *av_restrict pixels,
ptrdiff_t line_size);
void ff_put_signed_pixels_clamped_lasx(const int16_t *block,
uint8_t *av_restrict pixels,
ptrdiff_t line_size);
void ff_add_pixels_clamped_lasx(const int16_t *block,
uint8_t *av_restrict pixels,
ptrdiff_t line_size);
#endif /* AVCODEC_LOONGARCH_IDCTDSP_LOONGARCH_H */