Blame view

3rdparty/ffmpeg-4.4.4/libavcodec/mips/idctdsp_init_mips.c 2.54 KB
09c2d08c   Hu Chunming   arm交付版
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
  /*
   * 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;
      }
  }