mirror of https://git.ffmpeg.org/ffmpeg.git
Port pred8x8l_down_left_sse2/ssse3 (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 26142 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -1374,6 +1374,101 @@ PRED8x8L_VERTICAL mmxext
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PRED8x8L_VERTICAL ssse3
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%endif
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;-----------------------------------------------------------------------------
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;void pred8x8l_down_left(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_DOWN_LEFT 1
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cglobal pred8x8l_down_left_%1, 4,4
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sub r0, r3
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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 .do_top
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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 .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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.fix_tr_2:
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punpckhbw mm3, mm3
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pshufw mm1, mm3, 0xFF
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jmp .do_topright
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.do_top:
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PRED4x4_LOWPASS mm4, mm2, mm1, mm3, mm5
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movq2dq xmm3, mm4
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test r2, r2 ; top_right
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jz .fix_tr_2
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movq mm0, [r0+8]
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movq mm5, mm0
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movq mm2, mm0
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movq mm4, mm0
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psrlq mm5, 56
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PALIGNR mm2, mm3, 7, mm3
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PALIGNR mm5, mm4, 1, mm4
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PRED4x4_LOWPASS mm1, mm2, mm5, mm0, mm4
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.do_topright:
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movq2dq xmm4, mm1
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psrlq mm1, 56
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movq2dq xmm5, mm1
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lea r1, [r0+r3*2]
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pslldq xmm4, 8
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por xmm3, xmm4
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movdqa xmm2, xmm3
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psrldq xmm2, 1
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pslldq xmm5, 15
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por xmm2, xmm5
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lea r2, [r1+r3*2]
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movdqa xmm1, xmm3
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pslldq xmm1, 1
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INIT_XMM
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PRED4x4_LOWPASS xmm0, xmm1, xmm2, xmm3, xmm4
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psrldq xmm0, 1
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movq [r0+r3*1], xmm0
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psrldq xmm0, 1
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movq [r0+r3*2], xmm0
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psrldq xmm0, 1
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lea r0, [r2+r3*2]
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movq [r1+r3*1], xmm0
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psrldq xmm0, 1
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movq [r1+r3*2], xmm0
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psrldq xmm0, 1
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movq [r2+r3*1], xmm0
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psrldq xmm0, 1
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movq [r2+r3*2], xmm0
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psrldq xmm0, 1
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movq [r0+r3*1], xmm0
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psrldq xmm0, 1
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movq [r0+r3*2], xmm0
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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_DOWN_LEFT sse2
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INIT_MMX
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%define PALIGNR PALIGNR_SSSE3
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PRED8x8L_DOWN_LEFT 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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@ -67,6 +67,8 @@ void ff_pred8x8l_horizontal_mmxext (uint8_t *src, int has_topleft, int has_topri
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void ff_pred8x8l_horizontal_ssse3 (uint8_t *src, int has_topleft, int has_topright, int stride);
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void ff_pred8x8l_vertical_mmxext (uint8_t *src, int has_topleft, int has_topright, int stride);
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void ff_pred8x8l_vertical_ssse3 (uint8_t *src, int has_topleft, int has_topright, int stride);
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void ff_pred8x8l_down_left_sse2 (uint8_t *src, int has_topleft, int has_topright, int stride);
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void ff_pred8x8l_down_left_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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@ -143,6 +145,9 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id)
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if (mm_flags & AV_CPU_FLAG_SSE2) {
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h->pred16x16[DC_PRED8x8 ] = ff_pred16x16_dc_sse2;
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#if CONFIG_GPL
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h->pred8x8l [DIAG_DOWN_LEFT_PRED] = ff_pred8x8l_down_left_sse2;
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#endif
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if (codec_id == CODEC_ID_VP8) {
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h->pred16x16[PLANE_PRED8x8] = ff_pred16x16_tm_vp8_sse2;
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h->pred8x8 [PLANE_PRED8x8] = ff_pred8x8_tm_vp8_sse2;
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@ -167,6 +172,7 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id)
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h->pred8x8l [DC_PRED ] = ff_pred8x8l_dc_ssse3;
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h->pred8x8l [HOR_PRED ] = ff_pred8x8l_horizontal_ssse3;
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h->pred8x8l [VERT_PRED ] = ff_pred8x8l_vertical_ssse3;
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h->pred8x8l [DIAG_DOWN_LEFT_PRED] = ff_pred8x8l_down_left_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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