FFmpeg  4.4
pixblockdsp_init_mips.c
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1 /*
2  * Copyright (c) 2015 Shivraj Patil (Shivraj.Patil@imgtec.com)
3  * Zhou Xiaoyong <zhouxiaoyong@loongson.cn>
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 "pixblockdsp_mips.h"
24 
26  unsigned high_bit_depth)
27 {
29 
30  if (have_mmi(cpu_flags)) {
31  c->diff_pixels = ff_diff_pixels_mmi;
32 
33  if (!high_bit_depth || avctx->codec_type != AVMEDIA_TYPE_VIDEO) {
34  c->get_pixels = ff_get_pixels_8_mmi;
35  }
36  }
37 
38  if (have_msa(cpu_flags)) {
39  c->diff_pixels = ff_diff_pixels_msa;
40 
41  switch (avctx->bits_per_raw_sample) {
42  case 9:
43  case 10:
44  case 12:
45  case 14:
46  c->get_pixels = ff_get_pixels_16_msa;
47  break;
48  default:
49  if (avctx->bits_per_raw_sample <= 8 || avctx->codec_type !=
51  c->get_pixels = ff_get_pixels_8_msa;
52  }
53  break;
54  }
55  }
56 }
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
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
#define have_msa(flags)
Definition: cpu.h:26
#define have_mmi(flags)
Definition: cpu.h:25
void ff_pixblockdsp_init_mips(PixblockDSPContext *c, AVCodecContext *avctx, unsigned high_bit_depth)
void ff_diff_pixels_mmi(int16_t *av_restrict block, const uint8_t *src1, const uint8_t *src2, ptrdiff_t stride)
void ff_get_pixels_8_msa(int16_t *restrict dst, const uint8_t *src, ptrdiff_t stride)
void ff_diff_pixels_msa(int16_t *av_restrict block, const uint8_t *src1, const uint8_t *src2, ptrdiff_t stride)
void ff_get_pixels_8_mmi(int16_t *av_restrict block, const uint8_t *pixels, ptrdiff_t stride)
void ff_get_pixels_16_msa(int16_t *restrict dst, const uint8_t *src, ptrdiff_t stride)
main external API structure.
Definition: avcodec.h:536
enum AVMediaType codec_type
Definition: avcodec.h:544
int bits_per_raw_sample
Bits per sample/pixel of internal libavcodec pixel/sample format.
Definition: avcodec.h:1747
static double c[64]