ffmpeg/libavcodec/mips/idctdsp_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

63 lines
2.5 KiB
C

/*
* Copyright (c) 2015 Manojkumar Bhosale (Manojkumar.Bhosale@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 "idctdsp_mips.h"
#include "xvididct_mips.h"
av_cold void ff_idctdsp_init_mips(IDCTDSPContext *c, AVCodecContext *avctx,
unsigned high_bit_depth)
{
int cpu_flags = av_get_cpu_flags();
if (have_mmi(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) || (avctx->idct_algo == FF_IDCT_SIMPLE))) {
c->idct_put = ff_simple_idct_put_8_mmi;
c->idct_add = ff_simple_idct_add_8_mmi;
c->idct = ff_simple_idct_8_mmi;
c->perm_type = FF_IDCT_PERM_NONE;
}
c->put_pixels_clamped = ff_put_pixels_clamped_mmi;
c->add_pixels_clamped = ff_add_pixels_clamped_mmi;
c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_mmi;
}
if (have_msa(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_msa;
c->idct_add = ff_simple_idct_add_msa;
c->idct = ff_simple_idct_msa;
c->perm_type = FF_IDCT_PERM_NONE;
}
c->put_pixels_clamped = ff_put_pixels_clamped_msa;
c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_msa;
c->add_pixels_clamped = ff_add_pixels_clamped_msa;
}
}