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Port pred8x8l_down_right_mmxext (H.264 intra prediction) from x264 (authors:

Browse Source 
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 26143 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Daniel Kang 2010-12-29 19:12:02 +00:00 committed by Ronald S. Bultje
parent c249e66576
commit e916acbcd1
2 changed files with 140 additions and 0 deletions
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138
libavcodec/x86/h264_intrapred.asm
View File

@ -1469,6 +1469,144 @@ INIT_MMX
PRED8x8L_DOWN_LEFT ssse3
%endif
;-----------------------------------------------------------------------------
;void pred8x8l_down_right_mmxext(uint8_t *src, int has_topleft, int has_topright, int stride)
;-----------------------------------------------------------------------------
%ifdef CONFIG_GPL
INIT_MMX
%define PALIGNR PALIGNR_MMX
cglobal pred8x8l_down_right_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 ; top_left
jz .fix_lt_1
.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 ; top_left
jz .fix_lt_2
test r2, r2 ; top_right
jz .fix_tr_1
.do_top:
PRED4x4_LOWPASS mm4, mm2, mm1, mm3, mm5
movq mm5, mm4
jmp .body
.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 ; top_right
jnz .do_top
.fix_tr_1:
movq mm5, mm3
pxor mm5, mm1
psrlq mm5, 56
psllq mm5, 56
pxor mm1, mm5
jmp .do_top
.body
lea r1, [r0+r3*2]
movq mm1, mm7
movq mm7, mm5
movq mm5, mm6
movq mm2, mm7
lea r2, [r1+r3*2]
PALIGNR mm2, mm6, 1, mm0
movq mm3, mm7
PALIGNR mm3, mm6, 7, mm0
movq mm4, mm7
lea r4, [r2+r3*2]
psrlq mm4, 8
PRED4x4_LOWPASS mm0, mm1, mm2, mm5, mm6
PRED4x4_LOWPASS mm1, mm3, mm4, mm7, mm6
movq [r4+r3*2], mm0
movq mm2, mm1
psrlq mm0, 8
psllq mm2, 56
psrlq mm1, 8
por mm0, mm2
movq [r4+r3*1], mm0
movq mm2, mm1
psrlq mm0, 8
psllq mm2, 56
psrlq mm1, 8
por mm0, mm2
movq [r2+r3*2], mm0
movq mm2, mm1
psrlq mm0, 8
psllq mm2, 56
psrlq mm1, 8
por mm0, mm2
movq [r2+r3*1], mm0
movq mm2, mm1
psrlq mm0, 8
psllq mm2, 56
psrlq mm1, 8
por mm0, mm2
movq [r1+r3*2], mm0
movq mm2, mm1
psrlq mm0, 8
psllq mm2, 56
psrlq mm1, 8
por mm0, mm2
movq [r1+r3*1], mm0
movq mm2, mm1
psrlq mm0, 8
psllq mm2, 56
psrlq mm1, 8
por mm0, mm2
movq [r0+r3*2], mm0
psrlq mm0, 8
psllq mm1, 56
por mm0, mm1
movq [r0+r3*1], mm0
RET
%endif
;-----------------------------------------------------------------------------
; void pred4x4_dc_mmxext(uint8_t *src, const uint8_t *topright, int stride)
;-----------------------------------------------------------------------------

2
libavcodec/x86/h264_intrapred_init.c
View File

@ -69,6 +69,7 @@ void ff_pred8x8l_vertical_mmxext (uint8_t *src, int has_topleft, int has_topri
void ff_pred8x8l_vertical_ssse3 (uint8_t *src, int has_topleft, int has_topright, int stride);
void ff_pred8x8l_down_left_sse2 (uint8_t *src, int has_topleft, int has_topright, int stride);
void ff_pred8x8l_down_left_ssse3 (uint8_t *src, int has_topleft, int has_topright, int stride);
void ff_pred8x8l_down_right_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);
@ -111,6 +112,7 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id)
h->pred8x8l [DC_PRED ] = ff_pred8x8l_dc_mmxext;
h->pred8x8l [HOR_PRED ] = ff_pred8x8l_horizontal_mmxext;
h->pred8x8l [VERT_PRED ] = ff_pred8x8l_vertical_mmxext;
h->pred8x8l [DIAG_DOWN_RIGHT_PRED] = ff_pred8x8l_down_right_mmxext;
#endif
h->pred4x4 [DC_PRED ] = ff_pred4x4_dc_mmxext;
#if CONFIG_GPL