highperfocused/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

using const modifier

Browse Source 
Originally committed as revision 2678 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Nick Kurshev
2001-11-04 11:51:36 +00:00
parent 96034638d1
commit 569931477e
3 changed files with 21 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
postproc/rgb2rgb.c
View File

@@ -16,11 +16,11 @@ static const uint64_t mask15b __attribute__((aligned(8))) = 0x001F001F001F001FU
static const uint64_t mask15rg __attribute__((aligned(8))) = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000 RGx */ static const uint64_t mask15rg __attribute__((aligned(8))) = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000 RGx */
#endif #endif
void rgb24to32(uint8_t *src,uint8_t *dst,uint32_t src_size) void rgb24to32(const uint8_t *src,uint8_t *dst,uint32_t src_size)
{ {
uint8_t *dest = dst; uint8_t *dest = dst;
uint8_t *s = src; const uint8_t *s = src;
uint8_t *end; const uint8_t *end;
#ifdef HAVE_MMX #ifdef HAVE_MMX
uint8_t *mm_end; uint8_t *mm_end;
#endif #endif
@@ -62,11 +62,11 @@ void rgb24to32(uint8_t *src,uint8_t *dst,uint32_t src_size)
} }
} }
void rgb32to24(uint8_t *src,uint8_t *dst,uint32_t src_size) void rgb32to24(const uint8_t *src,uint8_t *dst,uint32_t src_size)
{ {
uint8_t *dest = dst; uint8_t *dest = dst;
uint8_t *s = src; const uint8_t *s = src;
uint8_t *end; const uint8_t *end;
#ifdef HAVE_MMX #ifdef HAVE_MMX
uint8_t *mm_end; uint8_t *mm_end;
#endif #endif
@@ -120,10 +120,10 @@ void rgb32to24(uint8_t *src,uint8_t *dst,uint32_t src_size)
ported to gcc & bugfixed : A'rpi ported to gcc & bugfixed : A'rpi
MMX2, 3DNOW optimization by Nick Kurshev MMX2, 3DNOW optimization by Nick Kurshev
*/ */
void rgb15to16(uint8_t *src,uint8_t *dst,uint32_t src_size) void rgb15to16(const uint8_t *src,uint8_t *dst,uint32_t src_size)
{ {
#ifdef HAVE_MMX #ifdef HAVE_MMX
register char* s=src+src_size; register const char* s=src+src_size;
register char* d=dst+src_size; register char* d=dst+src_size;
register int offs=-src_size; register int offs=-src_size;
__asm __volatile(PREFETCH" %0"::"m"(*(s+offs)):"memory"); __asm __volatile(PREFETCH" %0"::"m"(*(s+offs)):"memory");
@@ -157,7 +157,7 @@ void rgb15to16(uint8_t *src,uint8_t *dst,uint32_t src_size)
__asm __volatile(SFENCE:::"memory"); __asm __volatile(SFENCE:::"memory");
__asm __volatile(EMMS:::"memory"); __asm __volatile(EMMS:::"memory");
#else #else
uint16_t *s1=( uint16_t * )src; const uint16_t *s1=( uint16_t * )src;
uint16_t *d1=( uint16_t * )dst; uint16_t *d1=( uint16_t * )dst;
uint16_t *e=((uint8_t *)s1)+src_size; uint16_t *e=((uint8_t *)s1)+src_size;
while( s1<e ){ while( s1<e ){

6
postproc/rgb2rgb.h
View File

@@ -7,8 +7,8 @@
#ifndef RGB2RGB_INCLUDED #ifndef RGB2RGB_INCLUDED
#define RGB2RGB_INCLUDED #define RGB2RGB_INCLUDED
extern void rgb24to32(uint8_t *src,uint8_t *dst,uint32_t src_size); extern void rgb24to32(const uint8_t *src,uint8_t *dst,uint32_t src_size);
extern void rgb32to24(uint8_t *src,uint8_t *dst,uint32_t src_size); extern void rgb32to24(const uint8_t *src,uint8_t *dst,uint32_t src_size);
extern void rgb15to16(uint8_t *src,uint8_t *dst,uint32_t src_size); extern void rgb15to16(const uint8_t *src,uint8_t *dst,uint32_t src_size);
#endif #endif

18
postproc/rgb2rgb_template.c
View File

@@ -16,11 +16,11 @@ static const uint64_t mask15b __attribute__((aligned(8))) = 0x001F001F001F001FU
static const uint64_t mask15rg __attribute__((aligned(8))) = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000 RGx */ static const uint64_t mask15rg __attribute__((aligned(8))) = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000 RGx */
#endif #endif
void rgb24to32(uint8_t *src,uint8_t *dst,uint32_t src_size) void rgb24to32(const uint8_t *src,uint8_t *dst,uint32_t src_size)
{ {
uint8_t *dest = dst; uint8_t *dest = dst;
uint8_t *s = src; const uint8_t *s = src;
uint8_t *end; const uint8_t *end;
#ifdef HAVE_MMX #ifdef HAVE_MMX
uint8_t *mm_end; uint8_t *mm_end;
#endif #endif
@@ -62,11 +62,11 @@ void rgb24to32(uint8_t *src,uint8_t *dst,uint32_t src_size)
} }
} }
void rgb32to24(uint8_t *src,uint8_t *dst,uint32_t src_size) void rgb32to24(const uint8_t *src,uint8_t *dst,uint32_t src_size)
{ {
uint8_t *dest = dst; uint8_t *dest = dst;
uint8_t *s = src; const uint8_t *s = src;
uint8_t *end; const uint8_t *end;
#ifdef HAVE_MMX #ifdef HAVE_MMX
uint8_t *mm_end; uint8_t *mm_end;
#endif #endif
@@ -120,10 +120,10 @@ void rgb32to24(uint8_t *src,uint8_t *dst,uint32_t src_size)
ported to gcc & bugfixed : A'rpi ported to gcc & bugfixed : A'rpi
MMX2, 3DNOW optimization by Nick Kurshev MMX2, 3DNOW optimization by Nick Kurshev
*/ */
void rgb15to16(uint8_t *src,uint8_t *dst,uint32_t src_size) void rgb15to16(const uint8_t *src,uint8_t *dst,uint32_t src_size)
{ {
#ifdef HAVE_MMX #ifdef HAVE_MMX
register char* s=src+src_size; register const char* s=src+src_size;
register char* d=dst+src_size; register char* d=dst+src_size;
register int offs=-src_size; register int offs=-src_size;
__asm __volatile(PREFETCH" %0"::"m"(*(s+offs)):"memory"); __asm __volatile(PREFETCH" %0"::"m"(*(s+offs)):"memory");
@@ -157,7 +157,7 @@ void rgb15to16(uint8_t *src,uint8_t *dst,uint32_t src_size)
__asm __volatile(SFENCE:::"memory"); __asm __volatile(SFENCE:::"memory");
__asm __volatile(EMMS:::"memory"); __asm __volatile(EMMS:::"memory");
#else #else
uint16_t *s1=( uint16_t * )src; const uint16_t *s1=( uint16_t * )src;
uint16_t *d1=( uint16_t * )dst; uint16_t *d1=( uint16_t * )dst;
uint16_t *e=((uint8_t *)s1)+src_size; uint16_t *e=((uint8_t *)s1)+src_size;
while( s1<e ){ while( s1<e ){