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FFmpeg/libavcodec/mips/pixblockdsp_init_mips.c
Jiaxun Yang e2fa12e3ae libavcodec: Enable runtime detection for MIPS MMI & MSA
Apply optimized functions according to cpuflags.
MSA is usually put after MMI as it's generally faster than MMI.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Shiyou Yin <yinshiyou-hf@loongson.cn>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-23 17:21:58 +02:00

57 lines
1.8 KiB
C

/*
* Copyright (c) 2015 Shivraj Patil (Shivraj.Patil@imgtec.com)
* Zhou Xiaoyong <zhouxiaoyong@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/mips/cpu.h"
#include "pixblockdsp_mips.h"
void ff_pixblockdsp_init_mips(PixblockDSPContext *c, AVCodecContext *avctx,
unsigned high_bit_depth)
{
int cpu_flags = av_get_cpu_flags();
if (have_mmi(cpu_flags)) {
c->diff_pixels = ff_diff_pixels_mmi;
if (!high_bit_depth || avctx->codec_type != AVMEDIA_TYPE_VIDEO) {
c->get_pixels = ff_get_pixels_8_mmi;
}
}
if (have_msa(cpu_flags)) {
c->diff_pixels = ff_diff_pixels_msa;
switch (avctx->bits_per_raw_sample) {
case 9:
case 10:
case 12:
case 14:
c->get_pixels = ff_get_pixels_16_msa;
break;
default:
if (avctx->bits_per_raw_sample <= 8 || avctx->codec_type !=
AVMEDIA_TYPE_VIDEO) {
c->get_pixels = ff_get_pixels_8_msa;
}
break;
}
}
}