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| author | Daniel Kang <daniel.d.kang@gmail.com> | 2010-12-29 20:06:22 +0000 |
|---|---|---|
| committer | Ronald S. Bultje <rsbultje@gmail.com> | 2010-12-29 20:06:22 +0000 |
| commit | ecc7efbbb624fc2a0c646d15ad559d6687ae00b0 (patch) | |
| tree | 845cd0679641360c40bccae84677a07e250274fc /libavcodec/x86/h264_intrapred.asm | |
| parent | bdd93f1b2572504036819303aed2cd80085a4e25 (diff) | |
Port pred8x8l_vertical_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 26148 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/x86/h264_intrapred.asm')
| -rw-r--r-- | libavcodec/x86/h264_intrapred.asm | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/libavcodec/x86/h264_intrapred.asm b/libavcodec/x86/h264_intrapred.asm index 1a7a94f738..1d1c76452a 100644 --- a/libavcodec/x86/h264_intrapred.asm +++ b/libavcodec/x86/h264_intrapred.asm @@ -1954,6 +1954,98 @@ PRED8x8L_VERTICAL_RIGHT ssse3 %endif ;----------------------------------------------------------------------------- +;void pred8x8l_vertical_left(uint8_t *src, int has_topleft, int has_topright, int stride) +;----------------------------------------------------------------------------- +%ifdef CONFIG_GPL +%macro PRED8x8L_VERTICAL_LEFT 1 +cglobal pred8x8l_vertical_left_%1, 4,4 + sub r0, r3 + 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 + jmp .do_top +.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_top: + PRED4x4_LOWPASS mm4, mm2, mm1, mm3, mm5 + movq2dq xmm4, 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 xmm3, mm1 + lea r1, [r0+r3*2] + pslldq xmm3, 8 + por xmm4, xmm3 + movdqa xmm2, xmm4 + movdqa xmm1, xmm4 + movdqa xmm3, xmm4 + psrldq xmm2, 1 + pslldq xmm1, 1 + pavgb xmm3, xmm2 + lea r2, [r1+r3*2] +INIT_XMM + PRED4x4_LOWPASS xmm0, xmm1, xmm2, xmm4, xmm5 + psrldq xmm0, 1 + movq [r0+r3*1], xmm3 + movq [r0+r3*2], xmm0 + lea r0, [r2+r3*2] + psrldq xmm3, 1 + psrldq xmm0, 1 + movq [r1+r3*1], xmm3 + movq [r1+r3*2], xmm0 + psrldq xmm3, 1 + psrldq xmm0, 1 + movq [r2+r3*1], xmm3 + movq [r2+r3*2], xmm0 + psrldq xmm3, 1 + psrldq xmm0, 1 + movq [r0+r3*1], xmm3 + movq [r0+r3*2], xmm0 + RET +%endmacro + +INIT_MMX +%define PALIGNR PALIGNR_MMX +PRED8x8L_VERTICAL_LEFT sse2 +%define PALIGNR PALIGNR_SSSE3 +INIT_MMX +PRED8x8L_VERTICAL_LEFT ssse3 +%endif + +;----------------------------------------------------------------------------- ; void pred4x4_dc_mmxext(uint8_t *src, const uint8_t *topright, int stride) ;----------------------------------------------------------------------------- |