Mercurial > SDL_sound_CoreAudio
view decoders/libmpg123/getcpuflags.h @ 591:8faf61a640f0 tip
Resynced fixes for unit conversion bugs in the Ogg Tremor decoder from SoundDecoder/ALmixer.
Ogg Vorbis uses seconds and we multiply by 1000 to convert to milliseconds. But Ogg Tremor already uses milliseconds but I was still multiplying by 1000.
| author | Eric Wing <ewing . public |-at-| gmail . com> |
|---|---|
| date | Thu, 25 Oct 2012 16:34:18 -0700 |
| parents | 7e08477b0fc1 |
| children |
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/* getcpucpuflags: get cpuflags for ia32 copyright ?-2007 by the mpg123 project - free software under the terms of the LGPL 2.1 see COPYING and AUTHORS files in distribution or http:#mpg123.org initially written by KIMURA Takuhiro (for 3DNow!) extended for general use by Thomas Orgis */ #ifndef MPG123_H_GETCPUFLAGS #define MPG123_H_GETCPUFLAGS /* standard level flags part 1 (ECX)*/ #define FLAG_SSE3 0x00000001 /* standard level flags part 2 (EDX) */ #define FLAG2_MMX 0x00800000 #define FLAG2_SSE 0x02000000 #define FLAG2_SSE2 0x04000000 #define FLAG2_FPU 0x00000001 /* cpuid extended level 1 (AMD) */ #define XFLAG_MMX 0x00800000 #define XFLAG_3DNOW 0x80000000 #define XFLAG_3DNOWEXT 0x40000000 struct cpuflags { unsigned int id; unsigned int std; unsigned int std2; unsigned int ext; }; extern struct cpuflags cpu_flags; unsigned int getcpuflags(struct cpuflags* cf); /* checks the family */ #define cpu_i586(s) ( ((s.id & 0xf00)>>8) == 0 || ((s.id & 0xf00)>>8) > 4 ) /* checking some flags... */ #define cpu_fpu(s) (FLAG2_FPU & s.std2) #define cpu_mmx(s) (FLAG2_MMX & s.std2 || XFLAG_MMX & s.ext) #define cpu_3dnow(s) (XFLAG_3DNOW & s.ext) #define cpu_3dnowext(s) (XFLAG_3DNOWEXT & s.ext) #define cpu_sse(s) (FLAG2_SSE & s.std2) #define cpu_sse2(s) (FLAG2_SSE2 & s.std2) #define cpu_sse3(s) (FLAG_SSE3 & s.std) #endif