📄 i420_rgb_mmx.h
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psubusb mmx_10w, %%mm6 \n\movq %%mm6, %%mm7 \n\pand mmx_00ffw, %%mm6 \n\psrlw $8, %%mm7 \n\psllw $3, %%mm6 \n\psllw $3, %%mm7 \n\pmulhw mmx_Y_coeff, %%mm6 \n\pmulhw mmx_Y_coeff, %%mm7 \n\packuswb %%mm6, %%mm6 \n\packuswb %%mm7, %%mm7 \n\punpcklbw %%mm7, %%mm6 \n\"#define MMX_UNPACK_16_GRAY " \n\movq %%mm6, %%mm5 \n\pand mmx_mask_f8, %%mm6 \n\pand mmx_mask_fc, %%mm5 \n\movq %%mm6, %%mm7 \n\psrlw $3, %%mm7 \n\pxor %%mm3, %%mm3 \n\movq %%mm7, %%mm2 \n\movq %%mm5, %%mm0 \n\punpcklbw %%mm3, %%mm5 \n\punpcklbw %%mm6, %%mm7 \n\psllw $3, %%mm5 \n\por %%mm5, %%mm7 \n\movq %%mm7, (%3) \n\punpckhbw %%mm3, %%mm0 \n\punpckhbw %%mm6, %%mm2 \n\psllw $3, %%mm0 \n\movq 8(%0), %%mm6 \n\por %%mm0, %%mm2 \n\movq %%mm2, 8(%3) \n\"/* * convert RGB plane to RGB 15 bits, * mm0 -> B, mm1 -> R, mm2 -> G, * mm4 -> GB, mm5 -> AR pixel 4-7, * mm6 -> GB, mm7 -> AR pixel 0-3 */#define MMX_UNPACK_15 " \n\# mask unneeded bits off \n\pand mmx_mask_f8, %%mm0 # b7b6b5b4 b3______ b7b6b5b4 b3______ \n\psrlw $3,%%mm0 # ______b7 b6b5b4b3 ______b7 b6b5b4b3 \n\pand mmx_mask_f8, %%mm2 # g7g6g5g4 g3______ g7g6g5g4 g3______ \n\pand mmx_mask_f8, %%mm1 # r7r6r5r4 r3______ r7r6r5r4 r3______ \n\psrlw $1,%%mm1 # __r7r6r5 r4r3____ __r7r6r5 r4r3____ \n\pxor %%mm4, %%mm4 # zero mm4 \n\movq %%mm0, %%mm5 # Copy B7-B0 \n\movq %%mm2, %%mm7 # Copy G7-G0 \n\ \n\# convert rgb24 plane to rgb15 pack for pixel 0-3 \n\punpcklbw %%mm4, %%mm2 # ________ ________ g7g6g5g4 g3______ \n\punpcklbw %%mm1, %%mm0 # r7r6r5r4 r3______ ______b7 b6b5b4b3 \n\psllw $2,%%mm2 # ________ ____g7g6 g5g4g3__ ________ \n\por %%mm2, %%mm0 # r7r6r5r4 r3__g7g6 g5g4g3b7 b6b5b4b3 \n\movq 8(%0), %%mm6 # Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 \n\movq %%mm0, (%3) # store pixel 0-3 \n\ \n\# convert rgb24 plane to rgb16 pack for pixel 0-3 \n\punpckhbw %%mm4, %%mm7 # ________ ________ g7g6g5g4 g3______ \n\punpckhbw %%mm1, %%mm5 # r7r6r5r4 r3______ ______b7 b6b5b4b3 \n\psllw $2,%%mm7 # ________ ____g7g6 g5g4g3__ ________ \n\movd 4(%1), %%mm0 # Load 4 Cb __ __ __ __ u3 u2 u1 u0 \n\por %%mm7, %%mm5 # r7r6r5r4 r3__g7g6 g5g4g3b7 b6b5b4b3 \n\movd 4(%2), %%mm1 # Load 4 Cr __ __ __ __ v3 v2 v1 v0 \n\movq %%mm5, 8(%3) # store pixel 4-7 \n\"/* * convert RGB plane to RGB 16 bits, * mm0 -> B, mm1 -> R, mm2 -> G, * mm4 -> GB, mm5 -> AR pixel 4-7, * mm6 -> GB, mm7 -> AR pixel 0-3 */#define MMX_UNPACK_16 " \n\# mask unneeded bits off \n\pand mmx_mask_f8, %%mm0 # b7b6b5b4 b3______ b7b6b5b4 b3______ \n\pand mmx_mask_fc, %%mm2 # g7g6g5g4 g3g2____ g7g6g5g4 g3g2____ \n\pand mmx_mask_f8, %%mm1 # r7r6r5r4 r3______ r7r6r5r4 r3______ \n\psrlw $3,%%mm0 # ______b7 b6b5b4b3 ______b7 b6b5b4b3 \n\pxor %%mm4, %%mm4 # zero mm4 \n\movq %%mm0, %%mm5 # Copy B7-B0 \n\movq %%mm2, %%mm7 # Copy G7-G0 \n\ \n\# convert rgb24 plane to rgb16 pack for pixel 0-3 \n\punpcklbw %%mm4, %%mm2 # ________ ________ g7g6g5g4 g3g2____ \n\punpcklbw %%mm1, %%mm0 # r7r6r5r4 r3______ ______b7 b6b5b4b3 \n\psllw $3,%%mm2 # ________ __g7g6g5 g4g3g2__ ________ \n\por %%mm2, %%mm0 # r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 \n\movq 8(%0), %%mm6 # Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 \n\movq %%mm0, (%3) # store pixel 0-3 \n\ \n\# convert rgb24 plane to rgb16 pack for pixel 0-3 \n\punpckhbw %%mm4, %%mm7 # ________ ________ g7g6g5g4 g3g2____ \n\punpckhbw %%mm1, %%mm5 # r7r6r5r4 r3______ ______b7 b6b5b4b3 \n\psllw $3,%%mm7 # ________ __g7g6g5 g4g3g2__ ________ \n\movd 4(%1), %%mm0 # Load 4 Cb __ __ __ __ u3 u2 u1 u0 \n\por %%mm7, %%mm5 # r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 \n\movd 4(%2), %%mm1 # Load 4 Cr __ __ __ __ v3 v2 v1 v0 \n\movq %%mm5, 8(%3) # store pixel 4-7 \n\"/* * convert RGB plane to RGB packed format, * mm0 -> B, mm1 -> R, mm2 -> G, mm3 -> 0, * mm4 -> GB, mm5 -> AR pixel 4-7, * mm6 -> GB, mm7 -> AR pixel 0-3 */#define MMX_UNPACK_32 " \n\pxor %%mm3, %%mm3 # zero mm3 \n\movq %%mm0, %%mm6 # B7 B6 B5 B4 B3 B2 B1 B0 \n\movq %%mm1, %%mm7 # R7 R6 R5 R4 R3 R2 R1 R0 \n\movq %%mm0, %%mm4 # B7 B6 B5 B4 B3 B2 B1 B0 \n\movq %%mm1, %%mm5 # R7 R6 R5 R4 R3 R2 R1 R0 \n\punpcklbw %%mm2, %%mm6 # G3 B3 G2 B2 G1 B1 G0 B0 \n\punpcklbw %%mm3, %%mm7 # 00 R3 00 R2 00 R1 00 R0 \n\punpcklwd %%mm7, %%mm6 # 00 R1 B1 G1 00 R0 B0 G0 \n\movq %%mm6, (%3) # Store ARGB1 ARGB0 \n\movq %%mm0, %%mm6 # B7 B6 B5 B4 B3 B2 B1 B0 \n\punpcklbw %%mm2, %%mm6 # G3 B3 G2 B2 G1 B1 G0 B0 \n\punpckhwd %%mm7, %%mm6 # 00 R3 G3 B3 00 R2 B3 G2 \n\movq %%mm6, 8(%3) # Store ARGB3 ARGB2 \n\punpckhbw %%mm2, %%mm4 # G7 B7 G6 B6 G5 B5 G4 B4 \n\punpckhbw %%mm3, %%mm5 # 00 R7 00 R6 00 R5 00 R4 \n\punpcklwd %%mm5, %%mm4 # 00 R5 B5 G5 00 R4 B4 G4 \n\movq %%mm4, 16(%3) # Store ARGB5 ARGB4 \n\movq %%mm0, %%mm4 # B7 B6 B5 B4 B3 B2 B1 B0 \n\punpckhbw %%mm2, %%mm4 # G7 B7 G6 B6 G5 B5 G4 B4 \n\punpckhwd %%mm5, %%mm4 # 00 R7 G7 B7 00 R6 B6 G6 \n\movq %%mm4, 24(%3) # Store ARGB7 ARGB6 \n\ \n\#movd 4(%1), %%mm0 # Load 4 Cb 00 00 00 00 u3 u2 u1 u0 \n\#movd 4(%2), %%mm1 # Load 4 Cr 00 00 00 00 v3 v2 v1 v0 \n\#pxor %%mm4, %%mm4 # zero mm4 \n\#movq 8(%0), %%mm6 # Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 \n\"⌨️ 快捷键说明
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