mirror of https://github.com/mpv-player/mpv
comment spelling/grammar fixes
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@25137 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
diego
parent
86b52f44ed
commit
27fa018d05
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@ -23,15 +23,15 @@
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* along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* the C code (not assembly, mmx, ...) of this file can be used
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* under the LGPL license too
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* The C code (not assembly, mmx, ...) of this file can be used
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* under the LGPL license.
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*/
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#include <stddef.h>
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#include <inttypes.h> /* for __WORDSIZE */
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#ifndef __WORDSIZE
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// #warning You have misconfigured system and probably will lose performance!
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// #warning You have a misconfigured system and will probably lose performance!
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#define __WORDSIZE MP_WORDSIZE
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#endif
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@ -68,7 +68,7 @@
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#endif
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#ifdef HAVE_3DNOW
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/* On K6 femms is faster of emms. On K7 femms is directly mapped on emms. */
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/* On K6 femms is faster than emms. On K7 femms is directly mapped on emms. */
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#define EMMS "femms"
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#else
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#define EMMS "emms"
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@ -232,7 +232,7 @@ static inline void RENAME(rgb32to24)(const uint8_t *src,uint8_t *dst,long src_si
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Original by Strepto/Astral
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ported to gcc & bugfixed : A'rpi
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MMX2, 3DNOW optimization by Nick Kurshev
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32bit c version, and and&add trick by Michael Niedermayer
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32 bit C version, and and&add trick by Michael Niedermayer
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*/
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static inline void RENAME(rgb15to16)(const uint8_t *src,uint8_t *dst,long src_size)
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{
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@ -350,7 +350,7 @@ static inline void RENAME(rgb32to16)(const uint8_t *src, uint8_t *dst, long src_
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end = s + src_size;
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#ifdef HAVE_MMX
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mm_end = end - 15;
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#if 1 //is faster only if multiplies are reasonable fast (FIXME figure out on which CPUs this is faster, on Athlon it is slightly faster)
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#if 1 //is faster only if multiplies are reasonably fast (FIXME figure out on which CPUs this is faster, on Athlon it is slightly faster)
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asm volatile(
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"movq %3, %%mm5 \n\t"
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"movq %4, %%mm6 \n\t"
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@ -509,7 +509,7 @@ static inline void RENAME(rgb32to15)(const uint8_t *src, uint8_t *dst, long src_
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end = s + src_size;
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#ifdef HAVE_MMX
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mm_end = end - 15;
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#if 1 //is faster only if multiplies are reasonable fast (FIXME figure out on which CPUs this is faster, on Athlon it is slightly faster)
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#if 1 //is faster only if multiplies are reasonably fast (FIXME figure out on which CPUs this is faster, on Athlon it is slightly faster)
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asm volatile(
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"movq %3, %%mm5 \n\t"
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"movq %4, %%mm6 \n\t"
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@ -910,12 +910,10 @@ static inline void RENAME(rgb24tobgr15)(const uint8_t *src, uint8_t *dst, long s
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}
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/*
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I use here less accurate approximation by simply
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left-shifting the input
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value and filling the low order bits with
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zeroes. This method improves png's
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compression but this scheme cannot reproduce white exactly, since it does not
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generate an all-ones maximum value; the net effect is to darken the
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I use less accurate approximation here by simply left-shifting the input
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value and filling the low order bits with zeroes. This method improves PNG
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compression but this scheme cannot reproduce white exactly, since it does
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not generate an all-ones maximum value; the net effect is to darken the
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image slightly.
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The better method should be "left bit replication":
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@ -1271,7 +1269,7 @@ static inline void RENAME(rgb15to32)(const uint8_t *src, uint8_t *dst, long src_
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#endif
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while (s < end)
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{
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#if 0 //slightly slower on athlon
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#if 0 //slightly slower on Athlon
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int bgr= *s++;
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*((uint32_t*)d)++ = ((bgr&0x1F)<<3) + ((bgr&0x3E0)<<6) + ((bgr&0x7C00)<<9);
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#else
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@ -1507,7 +1505,7 @@ static inline void RENAME(yuvPlanartoyuy2)(const uint8_t *ysrc, const uint8_t *u
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for (y=0; y<height; y++)
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{
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#ifdef HAVE_MMX
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//FIXME handle 2 lines a once (fewer prefetch, reuse some chrom, but very likely limited by mem anyway)
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//FIXME handle 2 lines at once (fewer prefetches, reuse some chroma, but very likely memory-limited anyway)
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asm volatile(
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"xor %%"REG_a", %%"REG_a" \n\t"
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ASMALIGN(4)
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@ -1639,9 +1637,8 @@ asm( EMMS" \n\t"
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}
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/**
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*
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* height should be a multiple of 2 and width should be a multiple of 16 (if this is a
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* problem for anyone then tell me, and ill fix it)
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* Height should be a multiple of 2 and width should be a multiple of 16 (if
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* this is a problem for anyone then tell me, and I will fix it).
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*/
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static inline void RENAME(yv12toyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
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long width, long height,
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@ -1660,7 +1657,7 @@ static inline void RENAME(yuvPlanartouyvy)(const uint8_t *ysrc, const uint8_t *u
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for (y=0; y<height; y++)
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{
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#ifdef HAVE_MMX
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//FIXME handle 2 lines a once (fewer prefetch, reuse some chrom, but very likely limited by mem anyway)
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//FIXME handle 2 lines at once (fewer prefetches, reuse some chroma, but very likely memory-limited anyway)
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asm volatile(
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"xor %%"REG_a", %%"REG_a" \n\t"
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ASMALIGN(4)
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@ -1695,7 +1692,7 @@ static inline void RENAME(yuvPlanartouyvy)(const uint8_t *ysrc, const uint8_t *u
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: "%"REG_a
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);
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#else
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//FIXME adapt the alpha asm code from yv12->yuy2
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//FIXME adapt the Alpha ASM code from yv12->yuy2
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#if __WORDSIZE >= 64
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int i;
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@ -1746,9 +1743,8 @@ asm( EMMS" \n\t"
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}
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/**
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*
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* height should be a multiple of 2 and width should be a multiple of 16 (if this is a
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* problem for anyone then tell me, and ill fix it)
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* Height should be a multiple of 2 and width should be a multiple of 16 (if
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* this is a problem for anyone then tell me, and I will fix it).
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*/
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static inline void RENAME(yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
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long width, long height,
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@ -1759,8 +1755,7 @@ static inline void RENAME(yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc,
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}
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/**
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*
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* width should be a multiple of 16
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* Width should be a multiple of 16.
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*/
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static inline void RENAME(yuv422ptoyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
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long width, long height,
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@ -1770,9 +1765,8 @@ static inline void RENAME(yuv422ptoyuy2)(const uint8_t *ysrc, const uint8_t *usr
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}
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/**
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*
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* height should be a multiple of 2 and width should be a multiple of 16 (if this is a
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* problem for anyone then tell me, and ill fix it)
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* Height should be a multiple of 2 and width should be a multiple of 16 (if
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* this is a problem for anyone then tell me, and I will fix it).
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*/
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static inline void RENAME(yuy2toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
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long width, long height,
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@ -2007,10 +2001,10 @@ asm volatile( EMMS" \n\t"
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}
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/**
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*
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* height should be a multiple of 2 and width should be a multiple of 16 (if this is a
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* problem for anyone then tell me, and ill fix it)
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* chrominance data is only taken from every secound line others are ignored FIXME write HQ version
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* Height should be a multiple of 2 and width should be a multiple of 16 (if
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* this is a problem for anyone then tell me, and I will fix it).
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* Chrominance data is only taken from every secound line, others are ignored.
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* FIXME: Write HQ version.
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*/
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static inline void RENAME(uyvytoyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
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long width, long height,
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@ -2133,10 +2127,11 @@ asm volatile( EMMS" \n\t"
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}
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/**
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*
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* height should be a multiple of 2 and width should be a multiple of 2 (if this is a
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* problem for anyone then tell me, and ill fix it)
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* chrominance data is only taken from every secound line others are ignored in the C version FIXME write HQ version
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* Height should be a multiple of 2 and width should be a multiple of 2 (if
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* this is a problem for anyone then tell me, and I will fix it).
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* Chrominance data is only taken from every secound line,
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* others are ignored in the C version.
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* FIXME: Write HQ version.
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*/
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static inline void RENAME(rgb24toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
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long width, long height,
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