diff options
Diffstat (limited to 'libavcodec/x86/dsputil_mmx.c')
| -rw-r--r-- | libavcodec/x86/dsputil_mmx.c | 63 |
1 files changed, 34 insertions, 29 deletions
diff --git a/libavcodec/x86/dsputil_mmx.c b/libavcodec/x86/dsputil_mmx.c index a5b0b3ae61..3272556a74 100644 --- a/libavcodec/x86/dsputil_mmx.c +++ b/libavcodec/x86/dsputil_mmx.c @@ -783,7 +783,7 @@ static void h263_h_loop_filter_mmx(uint8_t *src, int stride, int qscale){ /* draw the edges of width 'w' of an image of size width, height this mmx version can only handle w==8 || w==16 */ -static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height, int w) +static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height, int w, int sides) { uint8_t *ptr, *last_line; int i; @@ -838,34 +838,39 @@ static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height, int w) for(i=0;i<w;i+=4) { /* top and bottom (and hopefully also the corners) */ - ptr= buf - (i + 1) * wrap - w; - __asm__ volatile( - "1: \n\t" - "movq (%1, %0), %%mm0 \n\t" - "movq %%mm0, (%0) \n\t" - "movq %%mm0, (%0, %2) \n\t" - "movq %%mm0, (%0, %2, 2) \n\t" - "movq %%mm0, (%0, %3) \n\t" - "add $8, %0 \n\t" - "cmp %4, %0 \n\t" - " jb 1b \n\t" - : "+r" (ptr) - : "r" ((x86_reg)buf - (x86_reg)ptr - w), "r" ((x86_reg)-wrap), "r" ((x86_reg)-wrap*3), "r" (ptr+width+2*w) - ); - ptr= last_line + (i + 1) * wrap - w; - __asm__ volatile( - "1: \n\t" - "movq (%1, %0), %%mm0 \n\t" - "movq %%mm0, (%0) \n\t" - "movq %%mm0, (%0, %2) \n\t" - "movq %%mm0, (%0, %2, 2) \n\t" - "movq %%mm0, (%0, %3) \n\t" - "add $8, %0 \n\t" - "cmp %4, %0 \n\t" - " jb 1b \n\t" - : "+r" (ptr) - : "r" ((x86_reg)last_line - (x86_reg)ptr - w), "r" ((x86_reg)wrap), "r" ((x86_reg)wrap*3), "r" (ptr+width+2*w) - ); + if (sides&EDGE_TOP) { + ptr= buf - (i + 1) * wrap - w; + __asm__ volatile( + "1: \n\t" + "movq (%1, %0), %%mm0 \n\t" + "movq %%mm0, (%0) \n\t" + "movq %%mm0, (%0, %2) \n\t" + "movq %%mm0, (%0, %2, 2) \n\t" + "movq %%mm0, (%0, %3) \n\t" + "add $8, %0 \n\t" + "cmp %4, %0 \n\t" + " jb 1b \n\t" + : "+r" (ptr) + : "r" ((x86_reg)buf - (x86_reg)ptr - w), "r" ((x86_reg)-wrap), "r" ((x86_reg)-wrap*3), "r" (ptr+width+2*w) + ); + } + + if (sides&EDGE_BOTTOM) { + ptr= last_line + (i + 1) * wrap - w; + __asm__ volatile( + "1: \n\t" + "movq (%1, %0), %%mm0 \n\t" + "movq %%mm0, (%0) \n\t" + "movq %%mm0, (%0, %2) \n\t" + "movq %%mm0, (%0, %2, 2) \n\t" + "movq %%mm0, (%0, %3) \n\t" + "add $8, %0 \n\t" + "cmp %4, %0 \n\t" + " jb 1b \n\t" + : "+r" (ptr) + : "r" ((x86_reg)last_line - (x86_reg)ptr - w), "r" ((x86_reg)wrap), "r" ((x86_reg)wrap*3), "r" (ptr+width+2*w) + ); + } } } |