#define EMMS "emms;"
#endif
+#define YUV2RGB \
+ /* Do the multiply part of the conversion for even and odd pixels,
+ register usage:
+ mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels,
+ mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels,
+ mm6 -> Y even, mm7 -> Y odd */\
+ /* convert the chroma part */\
+ "punpcklbw %%mm4, %%mm0;" /* scatter 4 Cb 00 u3 00 u2 00 u1 00 u0 */ \
+ "punpcklbw %%mm4, %%mm1;" /* scatter 4 Cr 00 v3 00 v2 00 v1 00 v0 */ \
+\
+ "psubsw mmx_80w, %%mm0;" /* Cb -= 128 */ \
+ "psubsw mmx_80w, %%mm1;" /* Cr -= 128 */ \
+\
+ "psllw $3, %%mm0;" /* Promote precision */ \
+ "psllw $3, %%mm1;" /* Promote precision */ \
+\
+ "movq %%mm0, %%mm2;" /* Copy 4 Cb 00 u3 00 u2 00 u1 00 u0 */ \
+ "movq %%mm1, %%mm3;" /* Copy 4 Cr 00 v3 00 v2 00 v1 00 v0 */ \
+\
+ "pmulhw mmx_U_green, %%mm2;" /* Mul Cb with green coeff -> Cb green */ \
+ "pmulhw mmx_V_green, %%mm3;" /* Mul Cr with green coeff -> Cr green */ \
+\
+ "pmulhw mmx_U_blue, %%mm0;" /* Mul Cb -> Cblue 00 b3 00 b2 00 b1 00 b0 */\
+ "pmulhw mmx_V_red, %%mm1;" /* Mul Cr -> Cred 00 r3 00 r2 00 r1 00 r0 */\
+\
+ "paddsw %%mm3, %%mm2;" /* Cb green + Cr green -> Cgreen */\
+\
+ /* convert the luma part */\
+ "psubusb mmx_10w, %%mm6;" /* Y -= 16 */\
+\
+ "movq %%mm6, %%mm7;" /* Copy 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */\
+ "pand mmx_00ffw, %%mm6;" /* get Y even 00 Y6 00 Y4 00 Y2 00 Y0 */\
+\
+ "psrlw $8, %%mm7;" /* get Y odd 00 Y7 00 Y5 00 Y3 00 Y1 */\
+\
+ "psllw $3, %%mm6;" /* Promote precision */\
+ "psllw $3, %%mm7;" /* Promote precision */\
+\
+ "pmulhw mmx_Y_coeff, %%mm6;" /* Mul 4 Y even 00 y6 00 y4 00 y2 00 y0 */\
+ "pmulhw mmx_Y_coeff, %%mm7;" /* Mul 4 Y odd 00 y7 00 y5 00 y3 00 y1 */\
+\
+ /* Do the addition part of the conversion for even and odd pixels,
+ register usage:
+ mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels,
+ mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels,
+ mm6 -> Y even, mm7 -> Y odd */\
+ "movq %%mm0, %%mm3;" /* Copy Cblue */\
+ "movq %%mm1, %%mm4;" /* Copy Cred */\
+ "movq %%mm2, %%mm5;" /* Copy Cgreen */\
+\
+ "paddsw %%mm6, %%mm0;" /* Y even + Cblue 00 B6 00 B4 00 B2 00 B0 */\
+ "paddsw %%mm7, %%mm3;" /* Y odd + Cblue 00 B7 00 B5 00 B3 00 B1 */\
+\
+ "paddsw %%mm6, %%mm1;" /* Y even + Cred 00 R6 00 R4 00 R2 00 R0 */\
+ "paddsw %%mm7, %%mm4;" /* Y odd + Cred 00 R7 00 R5 00 R3 00 R1 */\
+\
+ "paddsw %%mm6, %%mm2;" /* Y even + Cgreen 00 G6 00 G4 00 G2 00 G0 */\
+ "paddsw %%mm7, %%mm5;" /* Y odd + Cgreen 00 G7 00 G5 00 G3 00 G1 */\
+\
+ /* Limit RGB even to 0..255 */\
+ "packuswb %%mm0, %%mm0;" /* B6 B4 B2 B0 B6 B4 B2 B0 */\
+ "packuswb %%mm1, %%mm1;" /* R6 R4 R2 R0 R6 R4 R2 R0 */\
+ "packuswb %%mm2, %%mm2;" /* G6 G4 G2 G0 G6 G4 G2 G0 */\
+\
+ /* Limit RGB odd to 0..255 */\
+ "packuswb %%mm3, %%mm3;" /* B7 B5 B3 B1 B7 B5 B3 B1 */\
+ "packuswb %%mm4, %%mm4;" /* R7 R5 R3 R1 R7 R5 R3 R1 */\
+ "packuswb %%mm5, %%mm5;" /* G7 G5 G3 G1 G7 G5 G3 G1 */\
+\
+ /* Interleave RGB even and odd */\
+ "punpcklbw %%mm3, %%mm0;" /* B7 B6 B5 B4 B3 B2 B1 B0 */\
+ "punpcklbw %%mm4, %%mm1;" /* R7 R6 R5 R4 R3 R2 R1 R0 */\
+ "punpcklbw %%mm5, %%mm2;" /* G7 G6 G5 G4 G3 G2 G1 G0 */\
+
+
static void yuv420_rgb16_mmx (uint8_t * image, uint8_t * py,
uint8_t * pu, uint8_t * pv,
int h_size, int v_size,
/* load data for start of next scan line */
__asm__ __volatile__ (
- "movd (%1), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
- "movd (%2), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */
- "movq (%0), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
+ "movd (%1), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
+ "movd (%2), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */
+ "movq (%0), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
: : "r" (_py), "r" (_pu), "r" (_pv));
pixels in each iteration */
__asm__ __volatile__ (
- /* Do the multiply part of the conversion for even and odd pixels,
- register usage:
- mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels,
- mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels,
- mm6 -> Y even, mm7 -> Y odd */
- /* convert the chroma part */
- "punpcklbw %%mm4, %%mm0;" /* scatter 4 Cb 00 u3 00 u2 00 u1 00 u0 */
- "punpcklbw %%mm4, %%mm1;" /* scatter 4 Cr 00 v3 00 v2 00 v1 00 v0 */
-
- "psubsw mmx_80w, %%mm0;" /* Cb -= 128 */
- "psubsw mmx_80w, %%mm1;" /* Cr -= 128 */
-
- "psllw $3, %%mm0;" /* Promote precision */
- "psllw $3, %%mm1;" /* Promote precision */
-
- "movq %%mm0, %%mm2;" /* Copy 4 Cb 00 u3 00 u2 00 u1 00 u0 */
- "movq %%mm1, %%mm3;" /* Copy 4 Cr 00 v3 00 v2 00 v1 00 v0 */
-
- "pmulhw mmx_U_green, %%mm2;" /* Mul Cb with green coeff -> Cb green */
- "pmulhw mmx_V_green, %%mm3;" /* Mul Cr with green coeff -> Cr green */
+YUV2RGB
- "pmulhw mmx_U_blue, %%mm0;" /* Mul Cb -> Cblue 00 b3 00 b2 00 b1 00 b0 */
- "pmulhw mmx_V_red, %%mm1;" /* Mul Cr -> Cred 00 r3 00 r2 00 r1 00 r0 */
+ /* mask unneeded bits off */
+ "pand mmx_redmask, %%mm0;" /* b7b6b5b4 b3_0_0_0 b7b6b5b4 b3_0_0_0 */
+ "pand mmx_grnmask, %%mm2;" /* g7g6g5g4 g3g2_0_0 g7g6g5g4 g3g2_0_0 */
+ "pand mmx_redmask, %%mm1;" /* r7r6r5r4 r3_0_0_0 r7r6r5r4 r3_0_0_0 */
- "paddsw %%mm3, %%mm2;" /* Cb green + Cr green -> Cgreen */
+ "psrlw mmx_blueshift,%%mm0;" /* 0_0_0_b7 b6b5b4b3 0_0_0_b7 b6b5b4b3 */
+ "pxor %%mm4, %%mm4;" /* zero mm4 */
- /* convert the luma part */
- "psubusb mmx_10w, %%mm6;" /* Y -= 16 */
+ "movq %%mm0, %%mm5;" /* Copy B7-B0 */
+ "movq %%mm2, %%mm7;" /* Copy G7-G0 */
- "movq %%mm6, %%mm7;" /* Copy 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
- "pand mmx_00ffw, %%mm6;" /* get Y even 00 Y6 00 Y4 00 Y2 00 Y0 */
+ /* convert rgb24 plane to rgb16 pack for pixel 0-3 */
+ "punpcklbw %%mm4, %%mm2;" /* 0_0_0_0 0_0_0_0 g7g6g5g4 g3g2_0_0 */
+ "punpcklbw %%mm1, %%mm0;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */
- "psrlw $8, %%mm7;" /* get Y odd 00 Y7 00 Y5 00 Y3 00 Y1 */
+ "psllw mmx_blueshift,%%mm2;" /* 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0 */
+ "por %%mm2, %%mm0;" /* r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 */
- "psllw $3, %%mm6;" /* Promote precision */
- "psllw $3, %%mm7;" /* Promote precision */
+ "movq 8 (%0), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
+ MOVNTQ " %%mm0, (%3);" /* store pixel 0-3 */
- "pmulhw mmx_Y_coeff, %%mm6;" /* Mul 4 Y even 00 y6 00 y4 00 y2 00 y0 */
- "pmulhw mmx_Y_coeff, %%mm7;" /* Mul 4 Y odd 00 y7 00 y5 00 y3 00 y1 */
+ /* convert rgb24 plane to rgb16 pack for pixel 0-3 */
+ "punpckhbw %%mm4, %%mm7;" /* 0_0_0_0 0_0_0_0 g7g6g5g4 g3g2_0_0 */
+ "punpckhbw %%mm1, %%mm5;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */
- /* Do the addition part of the conversion for even and odd pixels,
- register usage:
- mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels,
- mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels,
- mm6 -> Y even, mm7 -> Y odd */
- "movq %%mm0, %%mm3;" /* Copy Cblue */
- "movq %%mm1, %%mm4;" /* Copy Cred */
- "movq %%mm2, %%mm5;" /* Copy Cgreen */
+ "psllw mmx_blueshift,%%mm7;" /* 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0 */
+ "movd 4 (%1), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
- "paddsw %%mm6, %%mm0;" /* Y even + Cblue 00 B6 00 B4 00 B2 00 B0 */
- "paddsw %%mm7, %%mm3;" /* Y odd + Cblue 00 B7 00 B5 00 B3 00 B1 */
+ "por %%mm7, %%mm5;" /* r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 */
+ "movd 4 (%2), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */
- "paddsw %%mm6, %%mm1;" /* Y even + Cred 00 R6 00 R4 00 R2 00 R0 */
- "paddsw %%mm7, %%mm4;" /* Y odd + Cred 00 R7 00 R5 00 R3 00 R1 */
+ MOVNTQ " %%mm5, 8 (%3);" /* store pixel 4-7 */
+ : : "r" (_py), "r" (_pu), "r" (_pv), "r" (_image));
- "paddsw %%mm6, %%mm2;" /* Y even + Cgreen 00 G6 00 G4 00 G2 00 G0 */
- "paddsw %%mm7, %%mm5;" /* Y odd + Cgreen 00 G7 00 G5 00 G3 00 G1 */
+ _py += 8;
+ _pu += 4;
+ _pv += 4;
+ _image += 16;
+ }
- /* Limit RGB even to 0..255 */
- "packuswb %%mm0, %%mm0;" /* B6 B4 B2 B0 B6 B4 B2 B0 */
- "packuswb %%mm1, %%mm1;" /* R6 R4 R2 R0 R6 R4 R2 R0 */
- "packuswb %%mm2, %%mm2;" /* G6 G4 G2 G0 G6 G4 G2 G0 */
+ if (!even) {
+ pu += uv_stride;
+ pv += uv_stride;
+ }
- /* Limit RGB odd to 0..255 */
- "packuswb %%mm3, %%mm3;" /* B7 B5 B3 B1 B7 B5 B3 B1 */
- "packuswb %%mm4, %%mm4;" /* R7 R5 R3 R1 R7 R5 R3 R1 */
- "packuswb %%mm5, %%mm5;" /* G7 G5 G3 G1 G7 G5 G3 G1 */
+ py += y_stride;
+ image += rgb_stride;
- /* Interleave RGB even and odd */
- "punpcklbw %%mm3, %%mm0;" /* B7 B6 B5 B4 B3 B2 B1 B0 */
- "punpcklbw %%mm4, %%mm1;" /* R7 R6 R5 R4 R3 R2 R1 R0 */
- "punpcklbw %%mm5, %%mm2;" /* G7 G6 G5 G4 G3 G2 G1 G0 */
+ even = (!even);
+ }
- /* mask unneeded bits off */
- "pand mmx_redmask, %%mm0;" /* b7b6b5b4 b3_0_0_0 b7b6b5b4 b3_0_0_0 */
- "pand mmx_grnmask, %%mm2;" /* g7g6g5g4 g3g2_0_0 g7g6g5g4 g3g2_0_0 */
- "pand mmx_redmask, %%mm1;" /* r7r6r5r4 r3_0_0_0 r7r6r5r4 r3_0_0_0 */
+ __asm__ __volatile__ (EMMS);
+}
- "psrlw mmx_blueshift,%%mm0;" /* 0_0_0_b7 b6b5b4b3 0_0_0_b7 b6b5b4b3 */
- "pxor %%mm4, %%mm4;" /* zero mm4 */
+static void yuv420_rgb24_mmx (uint8_t * image, uint8_t * py,
+ uint8_t * pu, uint8_t * pv,
+ int h_size, int v_size,
+ int rgb_stride, int y_stride, int uv_stride)
+{
+ int even = 1;
+ int x, y;
- "movq %%mm0, %%mm5;" /* Copy B7-B0 */
- "movq %%mm2, %%mm7;" /* Copy G7-G0 */
+ __asm__ __volatile__ ("pxor %mm4, %mm4;" /* zero mm4 */ );
- /* convert rgb24 plane to rgb16 pack for pixel 0-3 */
- "punpcklbw %%mm4, %%mm2;" /* 0_0_0_0 0_0_0_0 g7g6g5g4 g3g2_0_0 */
- "punpcklbw %%mm1, %%mm0;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */
+ for (y = v_size; --y >= 0; ) {
+ uint8_t *_image = image;
+ uint8_t *_py = py;
+ uint8_t *_pu = pu;
+ uint8_t *_pv = pv;
- "psllw mmx_blueshift,%%mm2;" /* 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0 */
- "por %%mm2, %%mm0;" /* r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 */
+ /* load data for start of next scan line */
+ __asm__ __volatile__ (
+ "movd (%1), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
+ "movd (%2), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */
+ "movq (%0), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
- "movq 8 (%0), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
- MOVNTQ " %%mm0, (%3);" /* store pixel 0-3 */
+ : : "r" (_py), "r" (_pu), "r" (_pv));
- /* convert rgb24 plane to rgb16 pack for pixel 0-3 */
- "punpckhbw %%mm4, %%mm7;" /* 0_0_0_0 0_0_0_0 g7g6g5g4 g3g2_0_0 */
- "punpckhbw %%mm1, %%mm5;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */
+ for (x = h_size >> 3; --x >= 0; ) {
+ /* this mmx assembly code deals with SINGLE scan line at a time, it convert 8
+ pixels in each iteration */
- "psllw mmx_blueshift,%%mm7;" /* 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0 */
- "movd 4 (%1), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
+ __asm__ __volatile__ (
+YUV2RGB
+
+ /* mm0=B, %%mm2=G, %%mm1=R */
+ "pxor %%mm4, %%mm4 \n\t"
+ "movq %%mm0, %%mm5 \n\t" /* B */
+ "movq %%mm1, %%mm6 \n\t" /* R */
+ "punpcklbw %%mm2, %%mm0 \n\t" /* GBGBGBGB 0 */
+ "punpcklbw %%mm4, %%mm1 \n\t" /* 0R0R0R0R 0 */
+ "punpckhbw %%mm2, %%mm5 \n\t" /* GBGBGBGB 2 */
+ "punpckhbw %%mm4, %%mm6 \n\t" /* 0R0R0R0R 2 */
+ "movq %%mm0, %%mm7 \n\t" /* GBGBGBGB 0 */
+ "movq %%mm5, %%mm3 \n\t" /* GBGBGBGB 2 */
+ "punpcklwd %%mm1, %%mm7 \n\t" /* 0RGB0RGB 0 */
+ "punpckhwd %%mm1, %%mm0 \n\t" /* 0RGB0RGB 1 */
+ "punpcklwd %%mm6, %%mm5 \n\t" /* 0RGB0RGB 2 */
+ "punpckhwd %%mm6, %%mm3 \n\t" /* 0RGB0RGB 3 */
+
+ "movq %%mm7, %%mm2 \n\t" /* 0RGB0RGB 0 */
+ "movq %%mm0, %%mm6 \n\t" /* 0RGB0RGB 1 */
+ "movq %%mm5, %%mm1 \n\t" /* 0RGB0RGB 2 */
+ "movq %%mm3, %%mm4 \n\t" /* 0RGB0RGB 3 */
+
+ "psllq $40, %%mm7 \n\t" /* RGB00000 0 */
+ "psllq $40, %%mm0 \n\t" /* RGB00000 1 */
+ "psllq $40, %%mm5 \n\t" /* RGB00000 2 */
+ "psllq $40, %%mm3 \n\t" /* RGB00000 3 */
+
+ "punpckhdq %%mm2, %%mm7 \n\t" /* 0RGBRGB0 0 */
+ "punpckhdq %%mm6, %%mm0 \n\t" /* 0RGBRGB0 1 */
+ "punpckhdq %%mm1, %%mm5 \n\t" /* 0RGBRGB0 2 */
+ "punpckhdq %%mm4, %%mm3 \n\t" /* 0RGBRGB0 3 */
+
+ "psrlq $8, %%mm7 \n\t" /* 00RGBRGB 0 */
+ "movq %%mm0, %%mm6 \n\t" /* 0RGBRGB0 1 */
+ "psllq $40, %%mm0 \n\t" /* GB000000 1 */
+ "por %%mm0, %%mm7 \n\t" /* GBRGBRGB 0 */
+ MOVNTQ" %%mm7, (%3) \n\t"
+
+ "movd 4 (%1), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
+
+ "psrlq $24, %%mm6 \n\t" /* 0000RGBR 1 */
+ "movq %%mm5, %%mm1 \n\t" /* 0RGBRGB0 2 */
+ "psllq $24, %%mm5 \n\t" /* BRGB0000 2 */
+ "por %%mm5, %%mm6 \n\t" /* BRGBRGBR 1 */
+ MOVNTQ" %%mm6, 8(%3) \n\t"
+
+ "movq 8 (%0), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
+
+ "psrlq $40, %%mm1 \n\t" /* 000000RG 2 */
+ "psllq $8, %%mm3 \n\t" /* RGBRGB00 3 */
+ "por %%mm3, %%mm1 \n\t" /* RGBRGBRG 2 */
+ MOVNTQ" %%mm1, 16(%3) \n\t"
+
+ "movd 4 (%2), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */
+ "pxor %%mm4, %%mm4 \n\t"
- "por %%mm7, %%mm5;" /* r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 */
- "movd 4 (%2), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */
- MOVNTQ " %%mm5, 8 (%3);" /* store pixel 4-7 */
: : "r" (_py), "r" (_pu), "r" (_pv), "r" (_image));
_py += 8;
_pu += 4;
_pv += 4;
- _image += 16;
+ _image += 24;
}
if (!even) {
__asm__ __volatile__ (EMMS);
}
+
static void yuv420_argb32_mmx (uint8_t * image, uint8_t * py,
uint8_t * pu, uint8_t * pv,
int h_size, int v_size,
/* this mmx assembly code deals with SINGLE scan line at a time, it convert 8
pixels in each iteration */
__asm__ __volatile__ (
- /* Do the multiply part of the conversion for even and odd pixels,
- register usage:
- mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels,
- mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels,
- mm6 -> Y even, mm7 -> Y odd */
-
- /* convert the chroma part */
- "punpcklbw %%mm4, %%mm0;" /* scatter 4 Cb 00 u3 00 u2 00 u1 00 u0 */
- "punpcklbw %%mm4, %%mm1;" /* scatter 4 Cr 00 v3 00 v2 00 v1 00 v0 */
-
- "psubsw mmx_80w, %%mm0;" /* Cb -= 128 */
- "psubsw mmx_80w, %%mm1;" /* Cr -= 128 */
-
- "psllw $3, %%mm0;" /* Promote precision */
- "psllw $3, %%mm1;" /* Promote precision */
-
- "movq %%mm0, %%mm2;" /* Copy 4 Cb 00 u3 00 u2 00 u1 00 u0 */
- "movq %%mm1, %%mm3;" /* Copy 4 Cr 00 v3 00 v2 00 v1 00 v0 */
-
- "pmulhw mmx_U_green, %%mm2;" /* Mul Cb with green coeff -> Cb green */
- "pmulhw mmx_V_green, %%mm3;" /* Mul Cr with green coeff -> Cr green */
-
- "pmulhw mmx_U_blue, %%mm0;" /* Mul Cb -> Cblue 00 b3 00 b2 00 b1 00 b0 */
- "pmulhw mmx_V_red, %%mm1;" /* Mul Cr -> Cred 00 r3 00 r2 00 r1 00 r0 */
-
- "paddsw %%mm3, %%mm2;" /* Cb green + Cr green -> Cgreen */
-
- /* convert the luma part */
- "psubusb mmx_10w, %%mm6;" /* Y -= 16 */
-
- "movq %%mm6, %%mm7;" /* Copy 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
- "pand mmx_00ffw, %%mm6;" /* get Y even 00 Y6 00 Y4 00 Y2 00 Y0 */
-
- "psrlw $8, %%mm7;" /* get Y odd 00 Y7 00 Y5 00 Y3 00 Y1 */
-
- "psllw $3, %%mm6;" /* Promote precision */
- "psllw $3, %%mm7;" /* Promote precision */
-
- "pmulhw mmx_Y_coeff, %%mm6;" /* Mul 4 Y even 00 y6 00 y4 00 y2 00 y0 */
- "pmulhw mmx_Y_coeff, %%mm7;" /* Mul 4 Y odd 00 y7 00 y5 00 y3 00 y1 */
-
- /* Do the addition part of the conversion for even and odd pixels,
- register usage:
- mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels,
- mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels,
- mm6 -> Y even, mm7 -> Y odd */
-
- "movq %%mm0, %%mm3;" /* Copy Cblue */
- "movq %%mm1, %%mm4;" /* Copy Cred */
- "movq %%mm2, %%mm5;" /* Copy Cgreen */
-
- "paddsw %%mm6, %%mm0;" /* Y even + Cblue 00 B6 00 B4 00 B2 00 B0 */
- "paddsw %%mm7, %%mm3;" /* Y odd + Cblue 00 B7 00 B5 00 B3 00 B1 */
-
- "paddsw %%mm6, %%mm1;" /* Y even + Cred 00 R6 00 R4 00 R2 00 R0 */
- "paddsw %%mm7, %%mm4;" /* Y odd + Cred 00 R7 00 R5 00 R3 00 R1 */
-
- "paddsw %%mm6, %%mm2;" /* Y even + Cgreen 00 G6 00 G4 00 G2 00 G0 */
- "paddsw %%mm7, %%mm5;" /* Y odd + Cgreen 00 G7 00 G5 00 G3 00 G1 */
-
- /* Limit RGB even to 0..255 */
- "packuswb %%mm0, %%mm0;" /* B6 B4 B2 B0 B6 B4 B2 B0 */
- "packuswb %%mm1, %%mm1;" /* R6 R4 R2 R0 R6 R4 R2 R0 */
- "packuswb %%mm2, %%mm2;" /* G6 G4 G2 G0 G6 G4 G2 G0 */
-
- /* Limit RGB odd to 0..255 */
- "packuswb %%mm3, %%mm3;" /* B7 B5 B3 B1 B7 B5 B3 B1 */
- "packuswb %%mm4, %%mm4;" /* R7 R5 R3 R1 R7 R5 R3 R1 */
- "packuswb %%mm5, %%mm5;" /* G7 G5 G3 G1 G7 G5 G3 G1 */
-
- /* Interleave RGB even and odd */
- "punpcklbw %%mm3, %%mm0;" /* B7 B6 B5 B4 B3 B2 B1 B0 */
- "punpcklbw %%mm4, %%mm1;" /* R7 R6 R5 R4 R3 R2 R1 R0 */
- "punpcklbw %%mm5, %%mm2;" /* G7 G6 G5 G4 G3 G2 G1 G0 */
-
- /* convert RGB plane to RGB packed format,
+YUV2RGB
+ /* 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 */
- "pxor %%mm3, %%mm3;" /* zero mm3 */
+ "pxor %%mm3, %%mm3;" /* zero mm3 */
+
+ "movq %%mm0, %%mm6;" /* B7 B6 B5 B4 B3 B2 B1 B0 */
+ "movq %%mm1, %%mm7;" /* R7 R6 R5 R4 R3 R2 R1 R0 */
- "movq %%mm0, %%mm6;" /* B7 B6 B5 B4 B3 B2 B1 B0 */
- "movq %%mm1, %%mm7;" /* R7 R6 R5 R4 R3 R2 R1 R0 */
+ "movq %%mm0, %%mm4;" /* B7 B6 B5 B4 B3 B2 B1 B0 */
+ "movq %%mm1, %%mm5;" /* R7 R6 R5 R4 R3 R2 R1 R0 */
- "movq %%mm0, %%mm4;" /* B7 B6 B5 B4 B3 B2 B1 B0 */
- "movq %%mm1, %%mm5;" /* R7 R6 R5 R4 R3 R2 R1 R0 */
+ "punpcklbw %%mm2, %%mm6;" /* G3 B3 G2 B2 G1 B1 G0 B0 */
+ "punpcklbw %%mm3, %%mm7;" /* 00 R3 00 R2 00 R1 00 R0 */
- "punpcklbw %%mm2, %%mm6;" /* G3 B3 G2 B2 G1 B1 G0 B0 */
- "punpcklbw %%mm3, %%mm7;" /* 00 R3 00 R2 00 R1 00 R0 */
+ "punpcklwd %%mm7, %%mm6;" /* 00 R1 B1 G1 00 R0 B0 G0 */
+ MOVNTQ " %%mm6, (%3);" /* Store ARGB1 ARGB0 */
- "punpcklwd %%mm7, %%mm6;" /* 00 R1 B1 G1 00 R0 B0 G0 */
- MOVNTQ " %%mm6, (%3);" /* Store ARGB1 ARGB0 */
+ "movq %%mm0, %%mm6;" /* B7 B6 B5 B4 B3 B2 B1 B0 */
+ "punpcklbw %%mm2, %%mm6;" /* G3 B3 G2 B2 G1 B1 G0 B0 */
- "movq %%mm0, %%mm6;" /* B7 B6 B5 B4 B3 B2 B1 B0 */
- "punpcklbw %%mm2, %%mm6;" /* G3 B3 G2 B2 G1 B1 G0 B0 */
+ "punpckhwd %%mm7, %%mm6;" /* 00 R3 G3 B3 00 R2 B3 G2 */
+ MOVNTQ " %%mm6, 8 (%3);" /* Store ARGB3 ARGB2 */
- "punpckhwd %%mm7, %%mm6;" /* 00 R3 G3 B3 00 R2 B3 G2 */
- MOVNTQ " %%mm6, 8 (%3);" /* Store ARGB3 ARGB2 */
+ "punpckhbw %%mm2, %%mm4;" /* G7 B7 G6 B6 G5 B5 G4 B4 */
+ "punpckhbw %%mm3, %%mm5;" /* 00 R7 00 R6 00 R5 00 R4 */
- "punpckhbw %%mm2, %%mm4;" /* G7 B7 G6 B6 G5 B5 G4 B4 */
- "punpckhbw %%mm3, %%mm5;" /* 00 R7 00 R6 00 R5 00 R4 */
-
- "punpcklwd %%mm5, %%mm4;" /* 00 R5 B5 G5 00 R4 B4 G4 */
- MOVNTQ " %%mm4, 16 (%3);" /* Store ARGB5 ARGB4 */
+ "punpcklwd %%mm5, %%mm4;" /* 00 R5 B5 G5 00 R4 B4 G4 */
+ MOVNTQ " %%mm4, 16 (%3);" /* Store ARGB5 ARGB4 */
- "movq %%mm0, %%mm4;" /* B7 B6 B5 B4 B3 B2 B1 B0 */
- "punpckhbw %%mm2, %%mm4;" /* G7 B7 G6 B6 G5 B5 G4 B4 */
+ "movq %%mm0, %%mm4;" /* B7 B6 B5 B4 B3 B2 B1 B0 */
+ "punpckhbw %%mm2, %%mm4;" /* G7 B7 G6 B6 G5 B5 G4 B4 */
- "punpckhwd %%mm5, %%mm4;" /* 00 R7 G7 B7 00 R6 B6 G6 */
- MOVNTQ " %%mm4, 24 (%3);" /* Store ARGB7 ARGB6 */
+ "punpckhwd %%mm5, %%mm4;" /* 00 R7 G7 B7 00 R6 B6 G6 */
+ MOVNTQ " %%mm4, 24 (%3);" /* Store ARGB7 ARGB6 */
- "movd 4 (%1), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
- "movd 4 (%2), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */
+ "movd 4 (%1), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
+ "movd 4 (%2), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */
- "pxor %%mm4, %%mm4;" /* zero mm4 */
- "movq 8 (%0), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
+ "pxor %%mm4, %%mm4;" /* zero mm4 */
+ "movq 8 (%0), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
: : "r" (_py), "r" (_pu), "r" (_pv), "r" (_image));
{
// if (bpp == 15 || bpp == 16) {
if (bpp == 16 && mode == MODE_RGB) return yuv420_rgb16_mmx;
+ if (bpp == 24 && mode == MODE_RGB) return yuv420_rgb24_mmx;
if (bpp == 32 && mode == MODE_RGB) return yuv420_argb32_mmx;
return NULL; // Fallback to C.
}
projects / platform / upstream / libav.git / commitdiff