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Port pred8x8l_horizontal_down_mmxext (H.264 intra prediction) from x264

Browse Source 
(authors: Jason, Loren, Holger) to FFmpeg. Patch by Daniel Kang <daniel dot
d dot kang at gmail com>, as part of Google's GCI 2010.

Originally committed as revision 26150 to svn://svn.ffmpeg.org/ffmpeg/trunk
oldabi
Daniel Kang 14 years ago committed by Ronald S. Bultje
parent 98c6053cd0
commit 04cbdf3d24
2 changed files with 123 additions and 0 deletions
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  1. 121
      libavcodec/x86/h264_intrapred.asm
  2. 2
      libavcodec/x86/h264_intrapred_init.c

121
libavcodec/x86/h264_intrapred.asm
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@ -2140,6 +2140,127 @@ PRED8x8L_HORIZONTAL_UP mmxext
PRED8x8L_HORIZONTAL_UP ssse3
%endif
;-----------------------------------------------------------------------------
;void pred8x8l_horizontal_down(uint8_t *src, int has_topleft, int has_topright, int stride)
;-----------------------------------------------------------------------------
%ifdef CONFIG_GPL
INIT_MMX
%define PALIGNR PALIGNR_MMX
cglobal pred8x8l_horizontal_down_mmxext, 4,5
sub r0, r3
lea r4, [r0+r3*2]
movq mm0, [r0+r3*1-8]
punpckhbw mm0, [r0+r3*0-8]
movq mm1, [r4+r3*1-8]
punpckhbw mm1, [r0+r3*2-8]
mov r4, r0
punpckhwd mm1, mm0
lea r0, [r0+r3*4]
movq mm2, [r0+r3*1-8]
punpckhbw mm2, [r0+r3*0-8]
lea r0, [r0+r3*2]
movq mm3, [r0+r3*1-8]
punpckhbw mm3, [r0+r3*0-8]
punpckhwd mm3, mm2
punpckhdq mm3, mm1
lea r0, [r0+r3*2]
movq mm0, [r0+r3*0-8]
movq mm1, [r4]
mov r0, r4
movq mm4, mm3
movq mm2, mm3
PALIGNR mm4, mm0, 7, mm0
PALIGNR mm1, mm2, 1, mm2
test r1, r1
jnz .do_left
.fix_lt_1:
movq mm5, mm3
pxor mm5, mm4
psrlq mm5, 56
psllq mm5, 48
pxor mm1, mm5
jmp .do_left
.fix_lt_2:
movq mm5, mm3
pxor mm5, mm2
psllq mm5, 56
psrlq mm5, 56
pxor mm2, mm5
test r2, r2
jnz .do_top
.fix_tr_1:
movq mm5, mm3
pxor mm5, mm1
psrlq mm5, 56
psllq mm5, 56
pxor mm1, mm5
jmp .do_top
.do_left:
movq mm0, mm4
PRED4x4_LOWPASS mm2, mm1, mm4, mm3, mm5
movq mm4, mm0
movq mm7, mm2
movq mm6, mm2
PRED4x4_LOWPASS mm1, mm3, mm0, mm4, mm5
psllq mm1, 56
PALIGNR mm7, mm1, 7, mm3
movq mm0, [r0-8]
movq mm3, [r0]
movq mm1, [r0+8]
movq mm2, mm3
movq mm4, mm3
PALIGNR mm2, mm0, 7, mm0
PALIGNR mm1, mm4, 1, mm4
test r1, r1
jz .fix_lt_2
test r2, r2
jz .fix_tr_1
.do_top:
PRED4x4_LOWPASS mm4, mm2, mm1, mm3, mm5
movq mm5, mm4
lea r1, [r0+r3*2]
psllq mm7, 56
movq mm2, mm5
movq mm3, mm6
movq mm4, mm2
PALIGNR mm2, mm6, 7, mm5
PALIGNR mm6, mm7, 7, mm0
lea r2, [r1+r3*2]
PALIGNR mm4, mm3, 1, mm7
movq mm5, mm3
pavgb mm3, mm6
PRED4x4_LOWPASS mm0, mm4, mm6, mm5, mm7
movq mm4, mm2
movq mm1, mm2
lea r4, [r2+r3*2]
psrlq mm4, 16
psrlq mm1, 8
PRED4x4_LOWPASS mm6, mm4, mm2, mm1, mm5
movq mm7, mm3
punpcklbw mm3, mm0
punpckhbw mm7, mm0
movq mm1, mm7
movq mm0, mm7
movq mm4, mm7
movq [r4+r3*2], mm3
PALIGNR mm7, mm3, 2, mm5
movq [r4+r3*1], mm7
PALIGNR mm1, mm3, 4, mm5
movq [r2+r3*2], mm1
PALIGNR mm0, mm3, 6, mm3
movq [r2+r3*1], mm0
movq mm2, mm6
movq mm3, mm6
movq [r1+r3*2], mm4
PALIGNR mm6, mm4, 2, mm5
movq [r1+r3*1], mm6
PALIGNR mm2, mm4, 4, mm5
movq [r0+r3*2], mm2
PALIGNR mm3, mm4, 6, mm4
movq [r0+r3*1], mm3
RET
%endif
;-----------------------------------------------------------------------------
; void pred4x4_dc_mmxext(uint8_t *src, const uint8_t *topright, int stride)
;-----------------------------------------------------------------------------

2
libavcodec/x86/h264_intrapred_init.c
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@ -79,6 +79,7 @@ void ff_pred8x8l_vertical_left_sse2(uint8_t *src, int has_topleft, int has_topri
void ff_pred8x8l_vertical_left_ssse3(uint8_t *src, int has_topleft, int has_topright, int stride);
void ff_pred8x8l_horizontal_up_mmxext(uint8_t *src, int has_topleft, int has_topright, int stride);
void ff_pred8x8l_horizontal_up_ssse3(uint8_t *src, int has_topleft, int has_topright, int stride);
void ff_pred8x8l_horizontal_down_mmxext(uint8_t *src, int has_topleft, int has_topright, int stride);
void ff_pred4x4_dc_mmxext (uint8_t *src, const uint8_t *topright, int stride);
void ff_pred4x4_down_left_mmxext (uint8_t *src, const uint8_t *topright, int stride);
void ff_pred4x4_tm_vp8_mmx (uint8_t *src, const uint8_t *topright, int stride);
@ -124,6 +125,7 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id)
h->pred8x8l [DIAG_DOWN_RIGHT_PRED] = ff_pred8x8l_down_right_mmxext;
h->pred8x8l [VERT_RIGHT_PRED ] = ff_pred8x8l_vertical_right_mmxext;
h->pred8x8l [HOR_UP_PRED ] = ff_pred8x8l_horizontal_up_mmxext;
h->pred8x8l [HOR_DOWN_PRED ] = ff_pred8x8l_horizontal_down_mmxext;
#endif
h->pred4x4 [DC_PRED ] = ff_pred4x4_dc_mmxext;
#if CONFIG_GPL

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