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<div id="divNeteaseMailCard"></div>it's right now.<br><br>At 2015-02-28 06:58:02,dtyx265@gmail.com wrote:<br>># HG changeset patch<br>># User David T Yuen <dtyx265@gmail.com><br>># Date 1425077816 28800<br>># Node ID ff2b3397092367123e936957cd57a9dd2985b03f<br>># Parent 018e8bbaa854b1a4bd82b3a2e23f7775a77da5cc<br>>asm: intrapred dc8 sse2<br>><br>>This replaces c code for systems using ssse3 to sse2 processors<br>>The code is backported from intrapred dc8 sse4<br>><br>>./test/TestBench --testbench intrapred | grep 8x8<br>>intra_dc_8x8[f=0] 3.86x 235.11 906.74<br>>intra_dc_8x8[f=1] 2.31x 555.00 1280.00<br>><br>>and supports 32 bit<br>><br>>./test/TestBench --testbench intrapred | grep 8x8<br>>intra_dc_8x8[f=0] 3.86x 235.21 906.81<br>>intra_dc_8x8[f=1] 2.37x 539.99 1279.99<br>><br>>and a white space nit in intrapred.h<br>><br>>diff -r 018e8bbaa854 -r ff2b33970923 source/common/x86/asm-primitives.cpp<br>>--- a/source/common/x86/asm-primitives.cpp Fri Feb 27 11:46:09 2015 +0530<br>>+++ b/source/common/x86/asm-primitives.cpp Fri Feb 27 14:56:56 2015 -0800<br>>@@ -1205,6 +1205,7 @@<br>> ALL_LUMA_TU_S(ssd_s, pixel_ssd_s_, sse2);<br>> <br>> p.cu[BLOCK_4x4].intra_pred[DC_IDX] = x265_intra_pred_dc4_sse2;<br>>+ p.cu[BLOCK_8x8].intra_pred[DC_IDX] = x265_intra_pred_dc8_sse2;<br>> <br>> p.cu[BLOCK_4x4].calcresidual = x265_getResidual4_sse2;<br>> p.cu[BLOCK_8x8].calcresidual = x265_getResidual8_sse2;<br>>diff -r 018e8bbaa854 -r ff2b33970923 source/common/x86/intrapred.h<br>>--- a/source/common/x86/intrapred.h Fri Feb 27 11:46:09 2015 +0530<br>>+++ b/source/common/x86/intrapred.h Fri Feb 27 14:56:56 2015 -0800<br>>@@ -26,8 +26,9 @@<br>> #ifndef X265_INTRAPRED_H<br>> #define X265_INTRAPRED_H<br>> <br>>-void x265_intra_pred_dc4_sse2 (pixel* dst, intptr_t dstStride, const pixel*srcPix, int, int filter);<br>>-void x265_intra_pred_dc4_sse4 (pixel* dst, intptr_t dstStride, const pixel*srcPix, int, int filter);<br>>+void x265_intra_pred_dc4_sse2(pixel* dst, intptr_t dstStride, const pixel*srcPix, int, int filter);<br>>+void x265_intra_pred_dc8_sse2(pixel* dst, intptr_t dstStride, const pixel*srcPix, int, int filter);<br>>+void x265_intra_pred_dc4_sse4(pixel* dst, intptr_t dstStride, const pixel*srcPix, int, int filter);<br>> void x265_intra_pred_dc8_sse4(pixel* dst, intptr_t dstStride, const pixel* srcPix, int, int filter);<br>> void x265_intra_pred_dc16_sse4(pixel* dst, intptr_t dstStride, const pixel* srcPix, int, int filter);<br>> void x265_intra_pred_dc32_sse4(pixel* dst, intptr_t dstStride, const pixel* srcPix, int, int filter);<br>>diff -r 018e8bbaa854 -r ff2b33970923 source/common/x86/intrapred8.asm<br>>--- a/source/common/x86/intrapred8.asm Fri Feb 27 11:46:09 2015 +0530<br>>+++ b/source/common/x86/intrapred8.asm Fri Feb 27 14:56:56 2015 -0800<br>>@@ -117,6 +117,7 @@<br>> <br>> SECTION .text<br>> <br>>+cextern pw_2<br>> cextern pw_4<br>> cextern pw_8<br>> cextern pw_16<br>>@@ -207,6 +208,92 @@<br>> ;---------------------------------------------------------------------------------------------<br>> ; void intra_pred_dc(pixel* dst, intptr_t dstStride, pixel *srcPix, int dirMode, int bFilter)<br>> ;---------------------------------------------------------------------------------------------<br>>+INIT_XMM sse2<br>>+cglobal intra_pred_dc8, 5, 7, 3<br>>+ pxor m0, m0<br>>+ movh m1, [r2 + 1]<br>>+ movh m2, [r2 + 17]<br>>+ punpcklqdq m1, m2<br>>+ psadbw m1, m0<br>>+ pshufd m2, m1, 2<br>>+ paddw m1, m2<br>>+<br>>+ paddw m1, [pw_8]<br>>+ psraw m1, 4<br>>+ pmullw m1, [pw_257]<br>>+ pshuflw m1, m1, 0x00 ; m1 = byte [dc_val ...]<br>>+<br>>+ test r4d, r4d<br>>+<br>>+ ; store DC 8x8<br>>+ lea r6, [r1 + r1 * 2]<br>>+ lea r5, [r6 + r1 * 2]<br>>+ movh [r0], m1<br>>+ movh [r0 + r1], m1<br>>+ movh [r0 + r1 * 2], m1<br>>+ movh [r0 + r6], m1<br>>+ movh [r0 + r1 * 4], m1<br>>+ movh [r0 + r5], m1<br>>+ movh [r0 + r6 * 2], m1<br>>+ lea r5, [r5 + r1 * 2]<br>>+ movh [r0 + r5], m1<br>>+<br>>+ ; Do DC Filter<br>>+ jz .end<br>>+ psrlw m1, 8<br>>+ movq m2, [pw_2]<br>>+ pmullw m2, m1<br>>+ paddw m2, [pw_2]<br>>+ movd r4d, m2 ; r4d = DC * 2 + 2<br>>+ paddw m1, m2 ; m1 = DC * 3 + 2<br>>+ pshufd m1, m1, 0<br>>+<br>>+ ; filter top<br>>+ movq m2, [r2 + 1]<br>>+ punpcklbw m2, m0<br>>+ paddw m2, m1<br>>+ psraw m2, 2 ; sum = sum / 16<br>>+ packuswb m2, m2<br>>+ movh [r0], m2<br>>+<br>>+ ; filter top-left<br>>+ movzx r3d, byte [r2 + 17]<br>>+ add r4d, r3d<br>>+ movzx r3d, byte [r2 + 1]<br>>+ add r3d, r4d<br>>+ shr r3d, 2<br>>+ mov [r0], r3b<br>>+<br>>+ ; filter left<br>>+ movq m2, [r2 + 18]<br>>+ punpcklbw m2, m0<br>>+ paddw m2, m1<br>>+ psraw m2, 2<br>>+ packuswb m2, m2<br>>+ movd r2d, m2<br>>+ lea r0, [r0 + r1]<br>>+ lea r5, [r6 + r1 * 2]<br>>+ mov [r0], r2b<br>>+ shr r2, 8<br>>+ mov [r0 + r1], r2b<br>>+ shr r2, 8<br>>+ mov [r0 + r1 * 2], r2b<br>>+ shr r2, 8<br>>+ mov [r0 + r6], r2b<br>>+ pshufd m2, m2, 0x01<br>>+ movd r2d, m2<br>>+ mov [r0 + r1 * 4], r2b<br>>+ shr r2, 8<br>>+ mov [r0 + r5], r2b<br>>+ shr r2, 8<br>>+ mov [r0 + r6 * 2], r2b<br>>+<br>>+.end:<br>>+ RET<br>>+<br>>+;---------------------------------------------------------------------------------------------<br>>+; void intra_pred_dc(pixel* dst, intptr_t dstStride, pixel *srcPix, int dirMode, int bFilter)<br>>+;---------------------------------------------------------------------------------------------<br>> INIT_XMM sse4<br>> cglobal intra_pred_dc4, 5,5,3<br>> inc r2<br>>_______________________________________________<br>>x265-devel mailing list<br>>x265-devel@videolan.org<br>>https://mailman.videolan.org/listinfo/x265-devel<br></div></div>