mirror of https://git.ffmpeg.org/ffmpeg.git
Port pred8x8l_horizontal_down_mmxext (H.264 intra prediction) from x264
(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
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@ -2140,6 +2140,127 @@ PRED8x8L_HORIZONTAL_UP mmxext
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PRED8x8L_HORIZONTAL_UP ssse3
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%endif
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;-----------------------------------------------------------------------------
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;void pred8x8l_horizontal_down(uint8_t *src, int has_topleft, int has_topright, int stride)
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;-----------------------------------------------------------------------------
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%ifdef CONFIG_GPL
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INIT_MMX
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%define PALIGNR PALIGNR_MMX
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cglobal pred8x8l_horizontal_down_mmxext, 4,5
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sub r0, r3
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lea r4, [r0+r3*2]
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movq mm0, [r0+r3*1-8]
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punpckhbw mm0, [r0+r3*0-8]
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movq mm1, [r4+r3*1-8]
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punpckhbw mm1, [r0+r3*2-8]
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mov r4, r0
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punpckhwd mm1, mm0
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lea r0, [r0+r3*4]
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movq mm2, [r0+r3*1-8]
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punpckhbw mm2, [r0+r3*0-8]
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lea r0, [r0+r3*2]
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movq mm3, [r0+r3*1-8]
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punpckhbw mm3, [r0+r3*0-8]
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punpckhwd mm3, mm2
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punpckhdq mm3, mm1
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lea r0, [r0+r3*2]
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movq mm0, [r0+r3*0-8]
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movq mm1, [r4]
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mov r0, r4
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movq mm4, mm3
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movq mm2, mm3
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PALIGNR mm4, mm0, 7, mm0
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PALIGNR mm1, mm2, 1, mm2
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test r1, r1
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jnz .do_left
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.fix_lt_1:
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movq mm5, mm3
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pxor mm5, mm4
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psrlq mm5, 56
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psllq mm5, 48
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pxor mm1, mm5
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jmp .do_left
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.fix_lt_2:
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movq mm5, mm3
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pxor mm5, mm2
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psllq mm5, 56
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psrlq mm5, 56
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pxor mm2, mm5
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test r2, r2
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jnz .do_top
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.fix_tr_1:
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movq mm5, mm3
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pxor mm5, mm1
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psrlq mm5, 56
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psllq mm5, 56
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pxor mm1, mm5
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jmp .do_top
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.do_left:
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movq mm0, mm4
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PRED4x4_LOWPASS mm2, mm1, mm4, mm3, mm5
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movq mm4, mm0
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movq mm7, mm2
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movq mm6, mm2
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PRED4x4_LOWPASS mm1, mm3, mm0, mm4, mm5
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psllq mm1, 56
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PALIGNR mm7, mm1, 7, mm3
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movq mm0, [r0-8]
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movq mm3, [r0]
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movq mm1, [r0+8]
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movq mm2, mm3
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movq mm4, mm3
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PALIGNR mm2, mm0, 7, mm0
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PALIGNR mm1, mm4, 1, mm4
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test r1, r1
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jz .fix_lt_2
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test r2, r2
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jz .fix_tr_1
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.do_top:
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PRED4x4_LOWPASS mm4, mm2, mm1, mm3, mm5
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movq mm5, mm4
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lea r1, [r0+r3*2]
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psllq mm7, 56
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movq mm2, mm5
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movq mm3, mm6
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movq mm4, mm2
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PALIGNR mm2, mm6, 7, mm5
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PALIGNR mm6, mm7, 7, mm0
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lea r2, [r1+r3*2]
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PALIGNR mm4, mm3, 1, mm7
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movq mm5, mm3
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pavgb mm3, mm6
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PRED4x4_LOWPASS mm0, mm4, mm6, mm5, mm7
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movq mm4, mm2
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movq mm1, mm2
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lea r4, [r2+r3*2]
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psrlq mm4, 16
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psrlq mm1, 8
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PRED4x4_LOWPASS mm6, mm4, mm2, mm1, mm5
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movq mm7, mm3
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punpcklbw mm3, mm0
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punpckhbw mm7, mm0
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movq mm1, mm7
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movq mm0, mm7
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movq mm4, mm7
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movq [r4+r3*2], mm3
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PALIGNR mm7, mm3, 2, mm5
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movq [r4+r3*1], mm7
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PALIGNR mm1, mm3, 4, mm5
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movq [r2+r3*2], mm1
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PALIGNR mm0, mm3, 6, mm3
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movq [r2+r3*1], mm0
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movq mm2, mm6
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movq mm3, mm6
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movq [r1+r3*2], mm4
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PALIGNR mm6, mm4, 2, mm5
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movq [r1+r3*1], mm6
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PALIGNR mm2, mm4, 4, mm5
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movq [r0+r3*2], mm2
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PALIGNR mm3, mm4, 6, mm4
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movq [r0+r3*1], mm3
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RET
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%endif
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;-----------------------------------------------------------------------------
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; void pred4x4_dc_mmxext(uint8_t *src, const uint8_t *topright, int stride)
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;-----------------------------------------------------------------------------
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@ -79,6 +79,7 @@ void ff_pred8x8l_vertical_left_sse2(uint8_t *src, int has_topleft, int has_topri
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void ff_pred8x8l_vertical_left_ssse3(uint8_t *src, int has_topleft, int has_topright, int stride);
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void ff_pred8x8l_horizontal_up_mmxext(uint8_t *src, int has_topleft, int has_topright, int stride);
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void ff_pred8x8l_horizontal_up_ssse3(uint8_t *src, int has_topleft, int has_topright, int stride);
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void ff_pred8x8l_horizontal_down_mmxext(uint8_t *src, int has_topleft, int has_topright, int stride);
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void ff_pred4x4_dc_mmxext (uint8_t *src, const uint8_t *topright, int stride);
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void ff_pred4x4_down_left_mmxext (uint8_t *src, const uint8_t *topright, int stride);
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void ff_pred4x4_tm_vp8_mmx (uint8_t *src, const uint8_t *topright, int stride);
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@ -124,6 +125,7 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id)
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h->pred8x8l [DIAG_DOWN_RIGHT_PRED] = ff_pred8x8l_down_right_mmxext;
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h->pred8x8l [VERT_RIGHT_PRED ] = ff_pred8x8l_vertical_right_mmxext;
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h->pred8x8l [HOR_UP_PRED ] = ff_pred8x8l_horizontal_up_mmxext;
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h->pred8x8l [HOR_DOWN_PRED ] = ff_pred8x8l_horizontal_down_mmxext;
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#endif
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h->pred4x4 [DC_PRED ] = ff_pred4x4_dc_mmxext;
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#if CONFIG_GPL
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