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Port pred8x8l_down_right_sse2/ssse3 (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 26145 to svn://svn.ffmpeg.org/ffmpeg/trunk
oldabi
Daniel Kang 14 years ago committed by Ronald S. Bultje
parent ec44dd5fc2
commit 602a4cb25a
2 changed files with 121 additions and 0 deletions
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  1. 117
      libavcodec/x86/h264_intrapred.asm
  2. 4
      libavcodec/x86/h264_intrapred_init.c

117
libavcodec/x86/h264_intrapred.asm
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@ -1605,6 +1605,123 @@ cglobal pred8x8l_down_right_mmxext, 4,5
por mm0, mm1
movq [r0+r3*1], mm0
RET
%macro PRED8x8L_DOWN_RIGHT 1
cglobal pred8x8l_down_right_%1, 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
jz .fix_lt_1
jmp .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
movq2dq xmm3, mm2
PRED4x4_LOWPASS mm1, mm3, mm0, mm4, mm5
psllq mm1, 56
PALIGNR mm7, mm1, 7, mm3
movq2dq xmm1, mm7
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
movq2dq xmm4, mm4
lea r1, [r0+r3*2]
movdqa xmm0, xmm3
pslldq xmm4, 8
por xmm3, xmm4
lea r2, [r1+r3*2]
pslldq xmm4, 1
por xmm1, xmm4
psrldq xmm0, 7
pslldq xmm0, 15
psrldq xmm0, 7
por xmm1, xmm0
lea r0, [r2+r3*2]
movdqa xmm2, xmm3
psrldq xmm2, 1
INIT_XMM
PRED4x4_LOWPASS xmm0, xmm1, xmm2, xmm3, xmm4
movdqa xmm1, xmm0
psrldq xmm1, 1
movq [r0+r3*2], xmm0
movq [r0+r3*1], xmm1
psrldq xmm0, 2
psrldq xmm1, 2
movq [r2+r3*2], xmm0
movq [r2+r3*1], xmm1
psrldq xmm0, 2
psrldq xmm1, 2
movq [r1+r3*2], xmm0
movq [r1+r3*1], xmm1
psrldq xmm0, 2
psrldq xmm1, 2
movq [r4+r3*2], xmm0
movq [r4+r3*1], xmm1
RET
%endmacro
INIT_MMX
%define PALIGNR PALIGNR_MMX
PRED8x8L_DOWN_RIGHT sse2
INIT_MMX
%define PALIGNR PALIGNR_SSSE3
PRED8x8L_DOWN_RIGHT ssse3
%endif
;-----------------------------------------------------------------------------

4
libavcodec/x86/h264_intrapred_init.c
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@ -70,6 +70,8 @@ void ff_pred8x8l_vertical_ssse3 (uint8_t *src, int has_topleft, int has_topri
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_pred8x8l_down_right_sse2 (uint8_t *src, int has_topleft, int has_topright, int stride);
void ff_pred8x8l_down_right_ssse3 (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);
@ -149,6 +151,7 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id)
h->pred16x16[DC_PRED8x8 ] = ff_pred16x16_dc_sse2;
#if CONFIG_GPL
h->pred8x8l [DIAG_DOWN_LEFT_PRED] = ff_pred8x8l_down_left_sse2;
h->pred8x8l [DIAG_DOWN_RIGHT_PRED] = ff_pred8x8l_down_right_sse2;
#endif
if (codec_id == CODEC_ID_VP8) {
h->pred16x16[PLANE_PRED8x8] = ff_pred16x16_tm_vp8_sse2;
@ -175,6 +178,7 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id)
h->pred8x8l [HOR_PRED ] = ff_pred8x8l_horizontal_ssse3;
h->pred8x8l [VERT_PRED ] = ff_pred8x8l_vertical_ssse3;
h->pred8x8l [DIAG_DOWN_LEFT_PRED] = ff_pred8x8l_down_left_ssse3;
h->pred8x8l [DIAG_DOWN_RIGHT_PRED] = ff_pred8x8l_down_right_ssse3;
#endif
if (codec_id == CODEC_ID_VP8) {
h->pred8x8 [PLANE_PRED8x8] = ff_pred8x8_tm_vp8_ssse3;

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