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FFmpeg/libavutil/x86/cpu.h

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  1. /*

  2.  * This file is part of FFmpeg.

  3.  *

  4.  * FFmpeg is free software; you can redistribute it and/or

  5.  * modify it under the terms of the GNU Lesser General Public

  6.  * License as published by the Free Software Foundation; either

  7.  * version 2.1 of the License, or (at your option) any later version.

  8.  *

  9.  * FFmpeg is distributed in the hope that it will be useful,

  10.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  11.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  12.  * Lesser General Public License for more details.

  13.  *

  14.  * You should have received a copy of the GNU Lesser General Public

  15.  * License along with FFmpeg; if not, write to the Free Software

  16.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  17.  */

  18. 

  19. #ifndef AVUTIL_X86_CPU_H

  20. #define AVUTIL_X86_CPU_H

  21. 

  22. #include "config.h"

  23. #include "libavutil/cpu.h"

  24. 

  25. #define CPUEXT(flags, suffix, cpuext)                                   \

  26.     (HAVE_ ## cpuext ## suffix && ((flags) & AV_CPU_FLAG_ ## cpuext))

  27. 

  28. #define AV_CPU_FLAG_AMD3DNOW    AV_CPU_FLAG_3DNOW

  29. #define AV_CPU_FLAG_AMD3DNOWEXT AV_CPU_FLAG_3DNOWEXT

  30. 

  31. #define EXTERNAL_AMD3DNOW(flags)    CPUEXT(flags, _EXTERNAL, AMD3DNOW)

  32. #define EXTERNAL_AMD3DNOWEXT(flags) CPUEXT(flags, _EXTERNAL, AMD3DNOWEXT)

  33. #define EXTERNAL_MMX(flags)         CPUEXT(flags, _EXTERNAL, MMX)

  34. #define EXTERNAL_MMXEXT(flags)      CPUEXT(flags, _EXTERNAL, MMXEXT)

  35. #define EXTERNAL_SSE(flags)         CPUEXT(flags, _EXTERNAL, SSE)

  36. #define EXTERNAL_SSE2(flags)        CPUEXT(flags, _EXTERNAL, SSE2)

  37. #define EXTERNAL_SSE3(flags)        CPUEXT(flags, _EXTERNAL, SSE3)

  38. #define EXTERNAL_SSSE3(flags)       CPUEXT(flags, _EXTERNAL, SSSE3)

  39. #define EXTERNAL_SSE4(flags)        CPUEXT(flags, _EXTERNAL, SSE4)

  40. #define EXTERNAL_SSE42(flags)       CPUEXT(flags, _EXTERNAL, SSE42)

  41. #define EXTERNAL_AVX(flags)         CPUEXT(flags, _EXTERNAL, AVX)

  42. #define EXTERNAL_FMA4(flags)        CPUEXT(flags, _EXTERNAL, FMA4)

  43. 

  44. #define INLINE_AMD3DNOW(flags)      CPUEXT(flags, _INLINE, AMD3DNOW)

  45. #define INLINE_AMD3DNOWEXT(flags)   CPUEXT(flags, _INLINE, AMD3DNOWEXT)

  46. #define INLINE_MMX(flags)           CPUEXT(flags, _INLINE, MMX)

  47. #define INLINE_MMXEXT(flags)        CPUEXT(flags, _INLINE, MMXEXT)

  48. #define INLINE_SSE(flags)           CPUEXT(flags, _INLINE, SSE)

  49. #define INLINE_SSE2(flags)          CPUEXT(flags, _INLINE, SSE2)

  50. #define INLINE_SSE3(flags)          CPUEXT(flags, _INLINE, SSE3)

  51. #define INLINE_SSSE3(flags)         CPUEXT(flags, _INLINE, SSSE3)

  52. #define INLINE_SSE4(flags)          CPUEXT(flags, _INLINE, SSE4)

  53. #define INLINE_SSE42(flags)         CPUEXT(flags, _INLINE, SSE42)

  54. #define INLINE_AVX(flags)           CPUEXT(flags, _INLINE, AVX)

  55. #define INLINE_FMA4(flags)          CPUEXT(flags, _INLINE, FMA4)

  56. 

  57. void ff_cpu_cpuid(int index, int *eax, int *ebx, int *ecx, int *edx);

  58. void ff_cpu_xgetbv(int op, int *eax, int *edx);

  59. int  ff_cpu_cpuid_test(void);

  60. 

  61. #endif /* AVUTIL_X86_CPU_H */