mirror of https://git.ffmpeg.org/ffmpeg.git
Port pred8x8l_dc_mmx/ssse3 (H.264 intra prediction) from x264 to FFmpeg.
Original authors: Holger Lubitz <holger lubitz org>, Jason Garrett-Glaser <darkshikari gmail com> (approves LGPL relicensing for this code) and Loren Merritt <lorenm at u dot washington dot edu> (approves LGPL relicensing for this code). Patch by Daniel Kang <daniel dot d dot kang at gmail com>, as part of Google's GCI 2010. Originally committed as revision 26138 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Daniel Kang
Ronald S. Bultje
parent
2e93fd4b5e
commit
abab14eac0
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@ -43,6 +43,7 @@ cextern pb_1
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cextern pb_3
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cextern pw_4
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cextern pw_5
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cextern pw_8
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cextern pw_16
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cextern pw_17
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cextern pw_32
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@ -1138,6 +1139,110 @@ PRED8x8L_TOP_DC mmxext
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PRED8x8L_TOP_DC ssse3
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%endif
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;-----------------------------------------------------------------------------
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;void pred8x8l_dc(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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%macro PRED8x8L_DC 1
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cglobal pred8x8l_dc_%1, 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 .body
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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 .body
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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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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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.body
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lea r1, [r0+r3*2]
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PRED4x4_LOWPASS mm6, mm2, mm1, mm3, mm5
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pxor mm0, mm0
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pxor mm1, mm1
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lea r2, [r1+r3*2]
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psadbw mm0, mm7
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psadbw mm1, mm6
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paddw mm0, [pw_8]
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paddw mm0, mm1
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lea r4, [r2+r3*2]
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psrlw mm0, 4
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pshufw mm0, mm0, 0
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packuswb mm0, mm0
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movq [r0+r3*1], mm0
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movq [r0+r3*2], mm0
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movq [r1+r3*1], mm0
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movq [r1+r3*2], mm0
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movq [r2+r3*1], mm0
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movq [r2+r3*2], mm0
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movq [r4+r3*1], mm0
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movq [r4+r3*2], mm0
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RET
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%endmacro
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INIT_MMX
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%define PALIGNR PALIGNR_MMX
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PRED8x8L_DC mmxext
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%define PALIGNR PALIGNR_SSSE3
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PRED8x8L_DC ssse3
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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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@ -61,6 +61,8 @@ void ff_pred8x8_tm_vp8_sse2 (uint8_t *src, int stride);
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void ff_pred8x8_tm_vp8_ssse3 (uint8_t *src, int stride);
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void ff_pred8x8l_top_dc_mmxext (uint8_t *src, int has_topleft, int has_topright, int stride);
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void ff_pred8x8l_top_dc_ssse3 (uint8_t *src, int has_topleft, int has_topright, int stride);
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void ff_pred8x8l_dc_mmxext (uint8_t *src, int has_topleft, int has_topright, int stride);
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void ff_pred8x8l_dc_ssse3 (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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@ -100,6 +102,7 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id)
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h->pred8x8 [HOR_PRED8x8 ] = ff_pred8x8_horizontal_mmxext;
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#if CONFIG_GPL
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h->pred8x8l [TOP_DC_PRED ] = ff_pred8x8l_top_dc_mmxext;
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h->pred8x8l [DC_PRED ] = ff_pred8x8l_dc_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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@ -155,6 +158,7 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id)
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h->pred8x8 [HOR_PRED8x8 ] = ff_pred8x8_horizontal_ssse3;
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#if CONFIG_GPL
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h->pred8x8l [TOP_DC_PRED ] = ff_pred8x8l_top_dc_ssse3;
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h->pred8x8l [DC_PRED ] = ff_pred8x8l_dc_ssse3;
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#endif
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if (codec_id == CODEC_ID_VP8) {
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h->pred8x8 [PLANE_PRED8x8] = ff_pred8x8_tm_vp8_ssse3;
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