FFmpeg  4.4
h264chroma_init_mips.c
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1 /*
2  * Copyright (c) 2015 Zhou Xiaoyong <zhouxiaoyong@loongson.cn>
3  * Copyright (c) 2015 Shivraj Patil (Shivraj.Patil@imgtec.com)
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #include "libavutil/mips/cpu.h"
23 #include "h264chroma_mips.h"
24 
25 
27 {
29  int high_bit_depth = bit_depth > 8;
30 
31  /* MMI apears to be faster than MSA here */
32  if (have_msa(cpu_flags)) {
33  if (!high_bit_depth) {
34  c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_msa;
35  c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_msa;
36  c->put_h264_chroma_pixels_tab[2] = ff_put_h264_chroma_mc2_msa;
37 
38  c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_msa;
39  c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_msa;
40  c->avg_h264_chroma_pixels_tab[2] = ff_avg_h264_chroma_mc2_msa;
41  }
42  }
43 
44  if (have_mmi(cpu_flags)) {
45  if (!high_bit_depth) {
46  c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_mmi;
47  c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_mmi;
48  c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_mmi;
49  c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_mmi;
50  }
51  }
52 }
static void bit_depth(AudioStatsContext *s, uint64_t mask, uint64_t imask, AVRational *depth)
Definition: af_astats.c:254
#define av_cold
Definition: attributes.h:88
static atomic_int cpu_flags
Definition: cpu.c:50
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:95
av_cold void ff_h264chroma_init_mips(H264ChromaContext *c, int bit_depth)
void ff_put_h264_chroma_mc8_mmi(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int h, int x, int y)
void ff_avg_h264_chroma_mc8_msa(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int height, int x, int y)
void ff_avg_h264_chroma_mc8_mmi(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int h, int x, int y)
void ff_avg_h264_chroma_mc2_msa(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int height, int x, int y)
void ff_avg_h264_chroma_mc4_mmi(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int h, int x, int y)
void ff_put_h264_chroma_mc4_msa(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int height, int x, int y)
void ff_avg_h264_chroma_mc4_msa(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int height, int x, int y)
void ff_put_h264_chroma_mc2_msa(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int height, int x, int y)
void ff_put_h264_chroma_mc8_msa(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int height, int x, int y)
void ff_put_h264_chroma_mc4_mmi(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int h, int x, int y)
#define have_msa(flags)
Definition: cpu.h:26
#define have_mmi(flags)
Definition: cpu.h:25
static double c[64]