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libswscale
Commit 2397b834 authored by michael's avatar michael
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tell the c compiler that the memory changed 


git-svn-id: file:///var/local/repositories/mplayer/trunk/postproc@2522 b3059339-0415-0410-9bf9-f77b7e298cf2
parent 2d28dd55
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swscale.c
View file @ 2397b834
...@@ -448,6 +448,8 @@ static inline void yuv2yuv(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uin ...@@ -448,6 +448,8 @@ static inline void yuv2yuv(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uin
int uvalpha1=uvalpha^4095; int uvalpha1=uvalpha^4095;
int i; int i;
asm volatile ("\n\t"::: "memory");
for(i=0;i<dstw;i++) for(i=0;i<dstw;i++)
{ {
((uint8_t*)dest)[0] = (buf0[i]*yalpha1+buf1[i]*yalpha)>>19; ((uint8_t*)dest)[0] = (buf0[i]*yalpha1+buf1[i]*yalpha)>>19;
...@@ -625,6 +627,8 @@ FULL_YSCALEYUV2RGB ...@@ -625,6 +627,8 @@ FULL_YSCALEYUV2RGB
); );
} }
#else #else
asm volatile ("\n\t"::: "memory");
if(dstbpp==32 || dstbpp==24) if(dstbpp==32 || dstbpp==24)
{ {
for(i=0;i<dstw;i++){ for(i=0;i<dstw;i++){
...@@ -733,6 +737,8 @@ FULL_YSCALEYUV2RGB ...@@ -733,6 +737,8 @@ FULL_YSCALEYUV2RGB
} }
#else #else
//FIXME unroll C loop and dont recalculate UV //FIXME unroll C loop and dont recalculate UV
asm volatile ("\n\t"::: "memory");
if(dstbpp==32 || dstbpp==24) if(dstbpp==32 || dstbpp==24)
{ {
for(i=0;i<dstw;i++){ for(i=0;i<dstw;i++){
...@@ -850,6 +856,8 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui ...@@ -850,6 +856,8 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui
} }
#else #else
//FIXME unroll C loop and dont recalculate UV //FIXME unroll C loop and dont recalculate UV
asm volatile ("\n\t"::: "memory");
if(dstbpp==32 || dstbpp==24) if(dstbpp==32 || dstbpp==24)
{ {
for(i=0;i<dstw;i++){ for(i=0;i<dstw;i++){
......
swscale_template.c
View file @ 2397b834
...@@ -448,6 +448,8 @@ static inline void yuv2yuv(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uin ...@@ -448,6 +448,8 @@ static inline void yuv2yuv(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uin
int uvalpha1=uvalpha^4095; int uvalpha1=uvalpha^4095;
int i; int i;
asm volatile ("\n\t"::: "memory");
for(i=0;i<dstw;i++) for(i=0;i<dstw;i++)
{ {
((uint8_t*)dest)[0] = (buf0[i]*yalpha1+buf1[i]*yalpha)>>19; ((uint8_t*)dest)[0] = (buf0[i]*yalpha1+buf1[i]*yalpha)>>19;
...@@ -625,6 +627,8 @@ FULL_YSCALEYUV2RGB ...@@ -625,6 +627,8 @@ FULL_YSCALEYUV2RGB
); );
} }
#else #else
asm volatile ("\n\t"::: "memory");
if(dstbpp==32 || dstbpp==24) if(dstbpp==32 || dstbpp==24)
{ {
for(i=0;i<dstw;i++){ for(i=0;i<dstw;i++){
...@@ -733,6 +737,8 @@ FULL_YSCALEYUV2RGB ...@@ -733,6 +737,8 @@ FULL_YSCALEYUV2RGB
} }
#else #else
//FIXME unroll C loop and dont recalculate UV //FIXME unroll C loop and dont recalculate UV
asm volatile ("\n\t"::: "memory");
if(dstbpp==32 || dstbpp==24) if(dstbpp==32 || dstbpp==24)
{ {
for(i=0;i<dstw;i++){ for(i=0;i<dstw;i++){
...@@ -850,6 +856,8 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui ...@@ -850,6 +856,8 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui
} }
#else #else
//FIXME unroll C loop and dont recalculate UV //FIXME unroll C loop and dont recalculate UV
asm volatile ("\n\t"::: "memory");
if(dstbpp==32 || dstbpp==24) if(dstbpp==32 || dstbpp==24)
{ {
for(i=0;i<dstw;i++){ for(i=0;i<dstw;i++){
......
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