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Diffstat (limited to 'src/lib/ffmpeg-2.5/libavutil/cpu.pas')
| -rw-r--r-- | src/lib/ffmpeg-2.5/libavutil/cpu.pas | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/lib/ffmpeg-2.5/libavutil/cpu.pas b/src/lib/ffmpeg-2.5/libavutil/cpu.pas new file mode 100644 index 00000000..5d2e02da --- /dev/null +++ b/src/lib/ffmpeg-2.5/libavutil/cpu.pas @@ -0,0 +1,119 @@ +(* + * 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 + * + * This is a part of the Pascal port of ffmpeg. + * - Changes and updates by the UltraStar Deluxe Team + * + * Conversion of libavutil/cpu.h + * avutil version 54.7.100 + * + *) + +const + + AV_CPU_FLAG_FORCE = $80000000; (* force usage of selected flags (OR) *) + + (* lower 16 bits - CPU features *) + AV_CPU_FLAG_MMX = $0001; ///< standard MMX + AV_CPU_FLAG_MMXEXT = $0002; ///< SSE integer functions or AMD MMX ext + AV_CPU_FLAG_MMX2 = $0002; ///< SSE integer functions or AMD MMX ext + AV_CPU_FLAG_3DNOW = $0004; ///< AMD 3DNOW + AV_CPU_FLAG_SSE = $0008; ///< SSE functions + AV_CPU_FLAG_SSE2 = $0010; ///< PIV SSE2 functions + AV_CPU_FLAG_SSE2SLOW = $40000000; ///< SSE2 supported, but usually not faster + ///< than regular MMX/SSE (e.g. Core1) + AV_CPU_FLAG_3DNOWEXT = $0020; ///< AMD 3DNowExt + AV_CPU_FLAG_SSE3 = $0040; ///< Prescott SSE3 functions + AV_CPU_FLAG_SSE3SLOW = $20000000; ///< SSE3 supported, but usually not faster + ///< than regular MMX/SSE (e.g. Core1) + AV_CPU_FLAG_SSSE3 = $0080; ///< Conroe SSSE3 functions + AV_CPU_FLAG_ATOM = $10000000; ///< Atom processor, some SSSE3 instructions are slower + AV_CPU_FLAG_SSE4 = $0100; ///< Penryn SSE4.1 functions + AV_CPU_FLAG_SSE42 = $0200; ///< Nehalem SSE4.2 functions + AV_CPU_FLAG_AVX = $4000; ///< AVX functions: requires OS support even if YMM registers aren't used + AV_CPU_FLAG_XOP = $0400; ///< Bulldozer XOP functions + AV_CPU_FLAG_FMA4 = $0800; ///< Bulldozer FMA4 functions + + AV_CPU_FLAG_CMOV = $1001000; ///< supports cmov instruction + + AV_CPU_FLAG_AVX2 = $8000; ///< AVX2 functions: requires OS support even if YMM registers aren't used + AV_CPU_FLAG_FMA3 = $10000; ///< Haswell FMA3 functions + AV_CPU_FLAG_BMI1 = $20000; ///< Bit Manipulation Instruction Set 1 + AV_CPU_FLAG_BMI2 = $40000; ///< Bit Manipulation Instruction Set 2 + + AV_CPU_FLAG_ALTIVEC = $0001; ///< standard + + AV_CPU_FLAG_ARMV5TE = (1 << 0); + AV_CPU_FLAG_ARMV6 = (1 << 1); + AV_CPU_FLAG_ARMV6T2 = (1 << 2); + AV_CPU_FLAG_VFP = (1 << 3); + AV_CPU_FLAG_VFPV3 = (1 << 4); + AV_CPU_FLAG_NEON = (1 << 5); + AV_CPU_FLAG_ARMV8 = (1 << 6); + AV_CPU_FLAG_SETEND = (1 <<16); + +(** + * Return the flags which specify extensions supported by the CPU. + * The returned value is affected by av_force_cpu_flags() if that was used + * before. So av_get_cpu_flags() can easily be used in a application to + * detect the enabled cpu flags. + *) +function av_get_cpu_flags(): cint; + cdecl; external av__util; + +(** + * Disables cpu detection and forces the specified flags. + * -1 is a special case that disables forcing of specific flags. + *) +procedure av_force_cpu_flags(flags: cint); + cdecl; external av__util; + +(** + * Set a mask on flags returned by av_get_cpu_flags(). + * This function is mainly useful for testing. + * Please use av_force_cpu_flags() and av_get_cpu_flags() instead which are more flexible + * + * @warning this function is not thread safe. + *) +procedure av_set_cpu_flags_mask(mask: cint); + cdecl; external av__util; deprecated; + +(** + * Parse CPU flags from a string. + * + * The returned flags contain the specified flags as well as related unspecified flags. + * + * This function exists only for compatibility with libav. + * Please use av_parse_cpu_caps() when possible. + * @return a combination of AV_CPU_* flags, negative on error. + *) +function av_parse_cpu_flags(s: {const} PAnsiChar): cint; + cdecl; external av__util; deprecated; + +(** + * Parse CPU caps from a string and update the given AV_CPU_* flags based on that. + * + * @return negative on error. + *) +function av_parse_cpu_caps(flags: Pcuint; s: {const} PAnsiChar): cint; + cdecl; external av__util; + +(** + * @return the number of logical CPU cores present. + *) +function av_cpu_count(): cint; + cdecl; external av__util; |