mirror of https://git.ffmpeg.org/ffmpeg.git
Port pred8x8l_top_dc_mmxext/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 26137 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -23,6 +23,7 @@
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;******************************************************************************
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%include "x86inc.asm"
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%include "x86util.asm"
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SECTION_RODATA
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@ -40,6 +41,7 @@ SECTION .text
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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_16
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cextern pw_17
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@ -1078,6 +1080,64 @@ cglobal pred8x8_tm_vp8_ssse3, 2,3,6
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pavgb %1, %2
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%endmacro
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;-----------------------------------------------------------------------------
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; void pred8x8l_top_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_TOP_DC 1
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cglobal pred8x8l_top_dc_%1, 4,4
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sub r0, r3
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pxor mm7, mm7
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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 ; top_left
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jz .fix_lt_2
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test r2, r2 ; top_right
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jz .fix_tr_1
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jmp .body
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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 ; top_right
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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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.body
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PRED4x4_LOWPASS mm0, mm2, mm1, mm3, mm5
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psadbw mm7, mm0
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paddw mm7, [pw_4]
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psrlw mm7, 3
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pshufw mm7, mm7, 0
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packuswb mm7, mm7
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%rep 3
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movq [r0+r3*1], mm7
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movq [r0+r3*2], mm7
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lea r0, [r0+r3*2]
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%endrep
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movq [r0+r3*1], mm7
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movq [r0+r3*2], mm7
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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_TOP_DC mmxext
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%define PALIGNR PALIGNR_SSSE3
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PRED8x8L_TOP_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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@ -59,6 +59,8 @@ void ff_pred8x8_tm_vp8_mmx (uint8_t *src, int stride);
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void ff_pred8x8_tm_vp8_mmxext (uint8_t *src, int stride);
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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_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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@ -96,6 +98,9 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id)
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h->pred16x16[HOR_PRED8x8 ] = ff_pred16x16_horizontal_mmxext;
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h->pred16x16[DC_PRED8x8 ] = ff_pred16x16_dc_mmxext;
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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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#endif
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h->pred4x4 [DC_PRED ] = ff_pred4x4_dc_mmxext;
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#if CONFIG_GPL
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if (codec_id == CODEC_ID_VP8 || codec_id == CODEC_ID_H264)
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@ -148,6 +153,9 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id)
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h->pred16x16[HOR_PRED8x8 ] = ff_pred16x16_horizontal_ssse3;
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h->pred16x16[DC_PRED8x8 ] = ff_pred16x16_dc_ssse3;
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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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#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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h->pred4x4 [TM_VP8_PRED ] = ff_pred4x4_tm_vp8_ssse3;
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