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Code Issues Releases Activity

configure: Add --enable-runtime-cpudetect

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Originally committed as revision 18380 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ramiro Polla 2009-04-08 20:26:18 +00:00
parent 10a7d21672
commit e90f5b5ab1
3 changed files with 11 additions and 8 deletions
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3
configure vendored
View File

@ -100,6 +100,7 @@ show_help(){
echo " --disable-golomb disable Golomb code"
echo " --disable-mdct disable MDCT code"
echo " --disable-rdft disable RDFT code"
echo " --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)"
echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
echo " --enable-beos-netserver enable BeOS netserver"
@ -806,6 +807,7 @@ CONFIG_LIST="
postproc
powerpc_perf
rdft
runtime_cpudetect
shared
small
static
@ -2282,6 +2284,7 @@ if test "$extra_version" != ""; then
echo "version string suffix $extra_version"
fi
echo "big-endian ${bigendian-no}"
echo "runtime cpu detection ${runtime_cpudetect-no}"
if enabled x86; then
echo "yasm ${yasm-no}"
echo "MMX enabled ${mmx-no}"

2
libavcodec/ppc/check_altivec.c
View File

@ -63,7 +63,7 @@ int has_altivec(void)
if (err == 0) return has_vu != 0;
return 0;
#elif defined(RUNTIME_CPUDETECT)
#elif CONFIG_RUNTIME_CPUDETECT
int proc_ver;
// Support of mfspr PVR emulation added in Linux 2.6.17.
__asm__ volatile("mfspr %0, 287" : "=r" (proc_ver));

14
libpostproc/postprocess.c
View File

@ -554,7 +554,7 @@ static av_always_inline void do_a_deblock_C(uint8_t *src, int step, int stride,
//Note: we have C, MMX, MMX2, 3DNOW version there is no 3DNOW+MMX2 one
//Plain C versions
#if !(HAVE_MMX || HAVE_ALTIVEC) || defined (RUNTIME_CPUDETECT)
#if !(HAVE_MMX || HAVE_ALTIVEC) || CONFIG_RUNTIME_CPUDETECT
#define COMPILE_C
#endif
@ -564,15 +564,15 @@ static av_always_inline void do_a_deblock_C(uint8_t *src, int step, int stride,
#if ARCH_X86
#if (HAVE_MMX && !HAVE_AMD3DNOW && !HAVE_MMX2) || defined (RUNTIME_CPUDETECT)
#if (HAVE_MMX && !HAVE_AMD3DNOW && !HAVE_MMX2) || CONFIG_RUNTIME_CPUDETECT
#define COMPILE_MMX
#endif
#if HAVE_MMX2 || defined (RUNTIME_CPUDETECT)
#if HAVE_MMX2 || CONFIG_RUNTIME_CPUDETECT
#define COMPILE_MMX2
#endif
#if (HAVE_AMD3DNOW && !HAVE_MMX2) || defined (RUNTIME_CPUDETECT)
#if (HAVE_AMD3DNOW && !HAVE_MMX2) || CONFIG_RUNTIME_CPUDETECT
#define COMPILE_3DNOW
#endif
#endif /* ARCH_X86 */
@ -645,7 +645,7 @@ static inline void postProcess(const uint8_t src[], int srcStride, uint8_t dst[]
// Using ifs here as they are faster than function pointers although the
// difference would not be measurable here but it is much better because
// someone might exchange the CPU whithout restarting MPlayer ;)
#ifdef RUNTIME_CPUDETECT
#if CONFIG_RUNTIME_CPUDETECT
#if ARCH_X86
// ordered per speed fastest first
if(c->cpuCaps & PP_CPU_CAPS_MMX2)
@ -664,7 +664,7 @@ static inline void postProcess(const uint8_t src[], int srcStride, uint8_t dst[]
#endif
postProcess_C(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
#endif
#else //RUNTIME_CPUDETECT
#else //CONFIG_RUNTIME_CPUDETECT
#if HAVE_MMX2
postProcess_MMX2(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
#elif HAVE_AMD3DNOW
@ -676,7 +676,7 @@ static inline void postProcess(const uint8_t src[], int srcStride, uint8_t dst[]
#else
postProcess_C(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
#endif
#endif //!RUNTIME_CPUDETECT
#endif //!CONFIG_RUNTIME_CPUDETECT
}
//static void postProcess(uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height,