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Reuse h{lum,chr}Filter{,Pos} variables for MMX2 fast_bilinear horizontal scaler.

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Originally committed as revision 30327 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
This commit is contained in:
Ramiro Polla 2010-01-16 18:39:06 +00:00
parent d95c863850
commit 0cc854e377
3 changed files with 12 additions and 20 deletions
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16
libswscale/swscale.c
View File

@ -2690,13 +2690,13 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d
c->chrMmx2FilterCode = av_malloc(c->chrMmx2FilterCodeSize);
#endif
FF_ALLOCZ_OR_GOTO(c, c->lumMmx2Filter , (dstW /8+8)*sizeof(int16_t), fail);
FF_ALLOCZ_OR_GOTO(c, c->chrMmx2Filter , (c->chrDstW /4+8)*sizeof(int16_t), fail);
FF_ALLOCZ_OR_GOTO(c, c->lumMmx2FilterPos, (dstW /2/8+8)*sizeof(int32_t), fail);
FF_ALLOCZ_OR_GOTO(c, c->chrMmx2FilterPos, (c->chrDstW/2/4+8)*sizeof(int32_t), fail);
FF_ALLOCZ_OR_GOTO(c, c->hLumFilter , (dstW /8+8)*sizeof(int16_t), fail);
FF_ALLOCZ_OR_GOTO(c, c->hChrFilter , (c->chrDstW /4+8)*sizeof(int16_t), fail);
FF_ALLOCZ_OR_GOTO(c, c->hLumFilterPos, (dstW /2/8+8)*sizeof(int32_t), fail);
FF_ALLOCZ_OR_GOTO(c, c->hChrFilterPos, (c->chrDstW/2/4+8)*sizeof(int32_t), fail);
initMMX2HScaler( dstW, c->lumXInc, c->lumMmx2FilterCode, c->lumMmx2Filter, c->lumMmx2FilterPos, 8);
initMMX2HScaler(c->chrDstW, c->chrXInc, c->chrMmx2FilterCode, c->chrMmx2Filter, c->chrMmx2FilterPos, 4);
initMMX2HScaler( dstW, c->lumXInc, c->lumMmx2FilterCode, c->hLumFilter, c->hLumFilterPos, 8);
initMMX2HScaler(c->chrDstW, c->chrXInc, c->chrMmx2FilterCode, c->hChrFilter, c->hChrFilterPos, 4);
#ifdef MAP_ANONYMOUS
mprotect(c->lumMmx2FilterCode, c->lumMmx2FilterCodeSize, PROT_EXEC | PROT_READ);
@ -3423,10 +3423,6 @@ void sws_freeContext(SwsContext *c)
c->chrMmx2FilterCode=NULL;
#endif /* ARCH_X86 && CONFIG_GPL */
av_freep(&c->lumMmx2Filter);
av_freep(&c->chrMmx2Filter);
av_freep(&c->lumMmx2FilterPos);
av_freep(&c->chrMmx2FilterPos);
av_freep(&c->yuvTable);
av_free(c);

4
libswscale/swscale_internal.h
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@ -114,10 +114,6 @@ typedef struct SwsContext {
int chrMmx2FilterCodeSize;
uint8_t *lumMmx2FilterCode;
uint8_t *chrMmx2FilterCode;
int32_t *lumMmx2FilterPos;
int32_t *chrMmx2FilterPos;
int16_t *lumMmx2Filter;
int16_t *chrMmx2Filter;
int canMMX2BeUsed;

12
libswscale/swscale_template.c
View File

@ -2260,8 +2260,8 @@ static inline void RENAME(hyscale_fast)(SwsContext *c, int16_t *dst,
{
#if ARCH_X86 && CONFIG_GPL
#if COMPILE_TEMPLATE_MMX2
int32_t *mmx2FilterPos = c->lumMmx2FilterPos;
int16_t *mmx2Filter = c->lumMmx2Filter;
int32_t *filterPos = c->hLumFilterPos;
int16_t *filter = c->hLumFilter;
int canMMX2BeUsed = c->canMMX2BeUsed;
void *mmx2FilterCode= c->lumMmx2FilterCode;
int i;
@ -2316,7 +2316,7 @@ static inline void RENAME(hyscale_fast)(SwsContext *c, int16_t *dst,
#if defined(PIC)
"mov %5, %%"REG_b" \n\t"
#endif
:: "m" (src), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos),
:: "m" (src), "m" (dst), "m" (filter), "m" (filterPos),
"m" (mmx2FilterCode)
#if defined(PIC)
,"m" (ebxsave)
@ -2409,8 +2409,8 @@ static inline void RENAME(hcscale_fast)(SwsContext *c, int16_t *dst,
{
#if ARCH_X86 && CONFIG_GPL
#if COMPILE_TEMPLATE_MMX2
int32_t *mmx2FilterPos = c->chrMmx2FilterPos;
int16_t *mmx2Filter = c->chrMmx2Filter;
int32_t *filterPos = c->hChrFilterPos;
int16_t *filter = c->hChrFilter;
int canMMX2BeUsed = c->canMMX2BeUsed;
void *mmx2FilterCode= c->chrMmx2FilterCode;
int i;
@ -2452,7 +2452,7 @@ static inline void RENAME(hcscale_fast)(SwsContext *c, int16_t *dst,
#if defined(PIC)
"mov %6, %%"REG_b" \n\t"
#endif
:: "m" (src1), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos),
:: "m" (src1), "m" (dst), "m" (filter), "m" (filterPos),
"m" (mmx2FilterCode), "m" (src2)
#if defined(PIC)
,"m" (ebxsave)