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| author | Ramiro Polla <ramiro.polla@gmail.com> | 2009-07-27 06:22:00 +0000 |
|---|---|---|
| committer | Ramiro Polla <ramiro.polla@gmail.com> | 2009-07-27 06:22:00 +0000 |
| commit | 18c61752fd7c7e66140b5bbb63842c9ee6f52d92 (patch) | |
| tree | 5b93fa29c13ca03e874515123ecaffccec1bcc31 /libswscale/swscale_template.c | |
| parent | 6d08d7f3c83574d30192474d99cbc924d2e7d008 (diff) | |
| download | ffmpeg-18c61752fd7c7e66140b5bbb63842c9ee6f52d92.tar.gz | |
Factorize x86 fast_bilinear assembly.
Originally committed as revision 29445 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
Diffstat (limited to 'libswscale/swscale_template.c')
| -rw-r--r-- | libswscale/swscale_template.c | 36 |
1 files changed, 12 insertions, 24 deletions
diff --git a/libswscale/swscale_template.c b/libswscale/swscale_template.c index af69886261..e14daa3f6e 100644 --- a/libswscale/swscale_template.c +++ b/libswscale/swscale_template.c @@ -2199,6 +2199,14 @@ static inline void RENAME(hScale)(int16_t *dst, int dstW, const uint8_t *src, in #endif /* HAVE_MMX */ } +#define FAST_BILINEAR_X86 \ + "subl %%edi, %%esi \n\t" /* src[xx+1] - src[xx] */ \ + "imull %%ecx, %%esi \n\t" /* (src[xx+1] - src[xx])*xalpha */ \ + "shll $16, %%edi \n\t" \ + "addl %%edi, %%esi \n\t" /* src[xx+1]*xalpha + src[xx]*(1-xalpha) */ \ + "mov %1, %%"REG_D"\n\t" \ + "shrl $9, %%esi \n\t" \ + static inline void RENAME(hyscale_fast)(SwsContext *c, int16_t *dst, int dstWidth, const uint8_t *src, int srcW, int xInc) @@ -2335,24 +2343,14 @@ FUNNY_Y_CODE "1: \n\t" "movzbl (%0, %%"REG_d"), %%edi \n\t" //src[xx] "movzbl 1(%0, %%"REG_d"), %%esi \n\t" //src[xx+1] - "subl %%edi, %%esi \n\t" //src[xx+1] - src[xx] - "imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*xalpha - "shll $16, %%edi \n\t" - "addl %%edi, %%esi \n\t" //src[xx+1]*xalpha + src[xx]*(1-xalpha) - "mov %1, %%"REG_D" \n\t" - "shrl $9, %%esi \n\t" + FAST_BILINEAR_X86 "movw %%si, (%%"REG_D", %%"REG_a", 2) \n\t" "addw %4, %%cx \n\t" //xalpha += xInc&0xFFFF "adc %3, %%"REG_d" \n\t" //xx+= xInc>>16 + carry "movzbl (%0, %%"REG_d"), %%edi \n\t" //src[xx] "movzbl 1(%0, %%"REG_d"), %%esi \n\t" //src[xx+1] - "subl %%edi, %%esi \n\t" //src[xx+1] - src[xx] - "imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*xalpha - "shll $16, %%edi \n\t" - "addl %%edi, %%esi \n\t" //src[xx+1]*xalpha + src[xx]*(1-xalpha) - "mov %1, %%"REG_D" \n\t" - "shrl $9, %%esi \n\t" + FAST_BILINEAR_X86 "movw %%si, 2(%%"REG_D", %%"REG_a", 2) \n\t" "addw %4, %%cx \n\t" //xalpha += xInc&0xFFFF "adc %3, %%"REG_d" \n\t" //xx+= xInc>>16 + carry @@ -2544,22 +2542,12 @@ FUNNY_UV_CODE "mov %0, %%"REG_S" \n\t" "movzbl (%%"REG_S", %%"REG_d"), %%edi \n\t" //src[xx] "movzbl 1(%%"REG_S", %%"REG_d"), %%esi \n\t" //src[xx+1] - "subl %%edi, %%esi \n\t" //src[xx+1] - src[xx] - "imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*xalpha - "shll $16, %%edi \n\t" - "addl %%edi, %%esi \n\t" //src[xx+1]*xalpha + src[xx]*(1-xalpha) - "mov %1, %%"REG_D" \n\t" - "shrl $9, %%esi \n\t" + FAST_BILINEAR_X86 "movw %%si, (%%"REG_D", %%"REG_a", 2) \n\t" "movzbl (%5, %%"REG_d"), %%edi \n\t" //src[xx] "movzbl 1(%5, %%"REG_d"), %%esi \n\t" //src[xx+1] - "subl %%edi, %%esi \n\t" //src[xx+1] - src[xx] - "imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*xalpha - "shll $16, %%edi \n\t" - "addl %%edi, %%esi \n\t" //src[xx+1]*xalpha + src[xx]*(1-xalpha) - "mov %1, %%"REG_D" \n\t" - "shrl $9, %%esi \n\t" + FAST_BILINEAR_X86 "movw %%si, "AV_STRINGIFY(VOF)"(%%"REG_D", %%"REG_a", 2) \n\t" "addw %4, %%cx \n\t" //xalpha += xInc&0xFFFF |