Blame view

ffmpeg-4.2.2/libavutil/cpu_internal.h 2.1 KB
aac5773f   hucm   功能基本完成,接口待打磨
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
  /*
   * 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
   */
  
  #ifndef AVUTIL_CPU_INTERNAL_H
  #define AVUTIL_CPU_INTERNAL_H
  
  #include "config.h"
  
  #include "cpu.h"
  
  #define CPUEXT_SUFFIX(flags, suffix, cpuext)                            \
      (HAVE_ ## cpuext ## suffix && ((flags) & AV_CPU_FLAG_ ## cpuext))
  
  #define CPUEXT_SUFFIX_FAST2(flags, suffix, cpuext, slow_cpuext)         \
      (HAVE_ ## cpuext ## suffix && ((flags) & AV_CPU_FLAG_ ## cpuext) && \
       !((flags) & AV_CPU_FLAG_ ## slow_cpuext ## SLOW))
  
  #define CPUEXT_SUFFIX_SLOW2(flags, suffix, cpuext, slow_cpuext)         \
      (HAVE_ ## cpuext ## suffix && ((flags) & AV_CPU_FLAG_ ## cpuext) && \
       ((flags) & AV_CPU_FLAG_ ## slow_cpuext ## SLOW))
  
  #define CPUEXT_SUFFIX_FAST(flags, suffix, cpuext) CPUEXT_SUFFIX_FAST2(flags, suffix, cpuext, cpuext)
  #define CPUEXT_SUFFIX_SLOW(flags, suffix, cpuext) CPUEXT_SUFFIX_SLOW2(flags, suffix, cpuext, cpuext)
  
  #define CPUEXT(flags, cpuext) CPUEXT_SUFFIX(flags, , cpuext)
  #define CPUEXT_FAST(flags, cpuext) CPUEXT_SUFFIX_FAST(flags, , cpuext)
  #define CPUEXT_SLOW(flags, cpuext) CPUEXT_SUFFIX_SLOW(flags, , cpuext)
  
  int ff_get_cpu_flags_aarch64(void);
  int ff_get_cpu_flags_arm(void);
  int ff_get_cpu_flags_ppc(void);
  int ff_get_cpu_flags_x86(void);
  
  size_t ff_get_cpu_max_align_aarch64(void);
  size_t ff_get_cpu_max_align_arm(void);
  size_t ff_get_cpu_max_align_ppc(void);
  size_t ff_get_cpu_max_align_x86(void);
  
  #endif /* AVUTIL_CPU_INTERNAL_H */