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| author | Daniel Kang <daniel.d.kang@gmail.com> | 2010-12-29 20:42:15 +0000 |
|---|---|---|
| committer | Ronald S. Bultje <rsbultje@gmail.com> | 2010-12-29 20:42:15 +0000 |
| commit | 57b1f334d10986614ae4f6b089038f79d4997d83 (patch) | |
| tree | f2fdfb25820ba2d9eb9e1b94b35dbccc71f21030 /libavcodec/x86/h264_intrapred.asm | |
| parent | 04cbdf3d240900324aa74f1b45bd35b94cd1ea4e (diff) | |
Port pred8x8l_horizontal_down_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 26151 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/x86/h264_intrapred.asm')
| -rw-r--r-- | libavcodec/x86/h264_intrapred.asm | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/libavcodec/x86/h264_intrapred.asm b/libavcodec/x86/h264_intrapred.asm index 74e604d496..0aece928f2 100644 --- a/libavcodec/x86/h264_intrapred.asm +++ b/libavcodec/x86/h264_intrapred.asm @@ -2259,6 +2259,137 @@ cglobal pred8x8l_horizontal_down_mmxext, 4,5 PALIGNR mm3, mm4, 6, mm4 movq [r0+r3*1], mm3 RET + +%macro PRED8x8L_HORIZONTAL_DOWN 1 +cglobal pred8x8l_horizontal_down_%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 + jnz .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 +.fix_tr_2: + punpckhbw mm3, mm3 + pshufw mm1, mm3, 0xFF + jmp .do_topright +.do_left: + movq mm0, mm4 + PRED4x4_LOWPASS mm2, mm1, mm4, mm3, mm5 + movq2dq xmm0, mm2 + pslldq xmm0, 8 + movq mm4, mm0 + PRED4x4_LOWPASS mm1, mm3, mm0, mm4, mm5 + movq2dq xmm2, mm1 + pslldq xmm2, 15 + psrldq xmm2, 8 + por xmm0, xmm2 + 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 xmm1, mm4 + test r2, r2 + jz .fix_tr_2 + movq mm0, [r0+8] + movq mm5, mm0 + movq mm2, mm0 + movq mm4, mm0 + psrlq mm5, 56 + PALIGNR mm2, mm3, 7, mm3 + PALIGNR mm5, mm4, 1, mm4 + PRED4x4_LOWPASS mm1, mm2, mm5, mm0, mm4 +.do_topright: + movq2dq xmm5, mm1 + pslldq xmm5, 8 + por xmm1, xmm5 +INIT_XMM + lea r2, [r4+r3*2] + movdqa xmm2, xmm1 + movdqa xmm3, xmm1 + PALIGNR xmm1, xmm0, 7, xmm4 + PALIGNR xmm2, xmm0, 9, xmm5 + lea r1, [r2+r3*2] + PALIGNR xmm3, xmm0, 8, xmm0 + movdqa xmm4, xmm1 + pavgb xmm4, xmm3 + lea r0, [r1+r3*2] + PRED4x4_LOWPASS xmm0, xmm1, xmm2, xmm3, xmm5 + punpcklbw xmm4, xmm0 + movhlps xmm0, xmm4 + movq [r0+r3*2], xmm4 + movq [r2+r3*2], xmm0 + psrldq xmm4, 2 + psrldq xmm0, 2 + movq [r0+r3*1], xmm4 + movq [r2+r3*1], xmm0 + psrldq xmm4, 2 + psrldq xmm0, 2 + movq [r1+r3*2], xmm4 + movq [r4+r3*2], xmm0 + psrldq xmm4, 2 + psrldq xmm0, 2 + movq [r1+r3*1], xmm4 + movq [r4+r3*1], xmm0 + RET +%endmacro + +INIT_MMX +%define PALIGNR PALIGNR_MMX +PRED8x8L_HORIZONTAL_DOWN sse2 +INIT_MMX +%define PALIGNR PALIGNR_SSSE3 +PRED8x8L_HORIZONTAL_DOWN ssse3 %endif ;----------------------------------------------------------------------------- |