diff options
Diffstat (limited to 'libavcodec/x86/h264_intrapred.asm')
| -rw-r--r-- | libavcodec/x86/h264_intrapred.asm | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/libavcodec/x86/h264_intrapred.asm b/libavcodec/x86/h264_intrapred.asm index 2f8eccbd9c..3810853362 100644 --- a/libavcodec/x86/h264_intrapred.asm +++ b/libavcodec/x86/h264_intrapred.asm @@ -2661,4 +2661,33 @@ cglobal pred4x4_vertical_right_mmxext, 3,3 PALIGNR m3, m1, 7, m1 movh [r1+r2*2], m3 RET + +;----------------------------------------------------------------------------- +; void pred4x4_down_right_mmxext(uint8_t *src, const uint8_t *topright, int stride) +;----------------------------------------------------------------------------- + +INIT_MMX +%define PALIGNR PALIGNR_MMX +cglobal pred4x4_down_right_mmxext, 3,3 + sub r0, r2 + lea r1, [r0+r2*2] + movq m1, [r1-8] + movq m2, [r0+r2*1-8] + punpckhbw m2, [r0-8] + movh m3, [r0] + punpckhwd m1, m2 + PALIGNR m3, m1, 5, m1 + movq m1, m3 + PALIGNR m3, [r1+r2*1-8], 7, m4 + movq m2, m3 + PALIGNR m3, [r1+r2*2-8], 7, m4 + PRED4x4_LOWPASS m0, m3, m1, m2, m4 + movh [r1+r2*2], m0 + psrlq m0, 8 + movh [r1+r2*1], m0 + psrlq m0, 8 + movh [r0+r2*2], m0 + psrlq m0, 8 + movh [r0+r2*1], m0 + RET %endif |