--- interpolate8x8.h 2003/02/11 21:56:31 1.9 +++ interpolate8x8.h 2003/02/15 15:22:18 1.10 @@ -1,58 +1,5 @@ -/***************************************************************************** - * - * XVID MPEG-4 VIDEO CODEC - * - 8x8 block-based halfpel interpolation - headers - * - * Copyright(C) 2002 Peter Ross - * - * This file is part of XviD, a free MPEG-4 video encoder/decoder - * - * XviD is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * Under section 8 of the GNU General Public License, the copyright - * holders of XVID explicitly forbid distribution in the following - * countries: - * - * - Japan - * - United States of America - * - * Linking XviD statically or dynamically with other modules is making a - * combined work based on XviD. Thus, the terms and conditions of the - * GNU General Public License cover the whole combination. - * - * As a special exception, the copyright holders of XviD give you - * permission to link XviD with independent modules that communicate with - * XviD solely through the VFW1.1 and DShow interfaces, regardless of the - * license terms of these independent modules, and to copy and distribute - * the resulting combined work under terms of your choice, provided that - * every copy of the combined work is accompanied by a complete copy of - * the source code of XviD (the version of XviD used to produce the - * combined work), being distributed under the terms of the GNU General - * Public License plus this exception. An independent module is a module - * which is not derived from or based on XviD. - * - * Note that people who make modified versions of XviD are not obligated - * to grant this special exception for their modified versions; it is - * their choice whether to do so. The GNU General Public License gives - * permission to release a modified version without this exception; this - * exception also makes it possible to release a modified version which - * carries forward this exception. - * - * $Id: interpolate8x8.h,v 1.9 2003/02/11 21:56:31 edgomez Exp $ - * - ****************************************************************************/ +#ifndef _INTERPOLATE8X8_H_ +#define _INTERPOLATE8X8_H_ #include "../utils/mem_transfer.h" @@ -62,10 +9,64 @@ const uint32_t rounding); typedef INTERPOLATE8X8 *INTERPOLATE8X8_PTR; +typedef void (INTERPOLATE8X8_AVG2) (uint8_t *dst, + const uint8_t *src1, + const uint8_t *src2, + const uint32_t stride, + const uint32_t rounding, + const uint32_t height); +typedef INTERPOLATE8X8_AVG2 *INTERPOLATE8X8_AVG2_PTR; + +typedef void (INTERPOLATE8X8_AVG4) (uint8_t *dst, + const uint8_t *src1, + const uint8_t *src2, + const uint8_t *src3, + const uint8_t *src4, + const uint32_t stride, + const uint32_t rounding); +typedef INTERPOLATE8X8_AVG4 *INTERPOLATE8X8_AVG4_PTR; + +typedef void (INTERPOLATE_LOWPASS) (uint8_t *dst, + uint8_t *src, + int32_t stride, + int32_t rounding); + +typedef INTERPOLATE_LOWPASS *INTERPOLATE_LOWPASS_PTR; + +typedef void (INTERPOLATE_LOWPASS_HV) (uint8_t *dst1, + uint8_t *dst2, + uint8_t *src, + int32_t stride, + int32_t rounding); + +typedef INTERPOLATE_LOWPASS_HV *INTERPOLATE_LOWPASS_HV_PTR; + +typedef void (INTERPOLATE8X8_6TAP_LOWPASS) (uint8_t *dst, + uint8_t *src, + int32_t stride, + int32_t rounding); + +typedef INTERPOLATE8X8_6TAP_LOWPASS *INTERPOLATE8X8_6TAP_LOWPASS_PTR; + extern INTERPOLATE8X8_PTR interpolate8x8_halfpel_h; extern INTERPOLATE8X8_PTR interpolate8x8_halfpel_v; extern INTERPOLATE8X8_PTR interpolate8x8_halfpel_hv; +extern INTERPOLATE8X8_AVG2_PTR interpolate8x8_avg2; +extern INTERPOLATE8X8_AVG4_PTR interpolate8x8_avg4; + +extern INTERPOLATE_LOWPASS_PTR interpolate8x8_lowpass_h; +extern INTERPOLATE_LOWPASS_PTR interpolate8x8_lowpass_v; + +extern INTERPOLATE_LOWPASS_PTR interpolate16x16_lowpass_h; +extern INTERPOLATE_LOWPASS_PTR interpolate16x16_lowpass_v; + +extern INTERPOLATE_LOWPASS_HV_PTR interpolate8x8_lowpass_hv; +extern INTERPOLATE_LOWPASS_HV_PTR interpolate16x16_lowpass_hv; + +extern INTERPOLATE8X8_6TAP_LOWPASS_PTR interpolate8x8_6tap_lowpass_h; +extern INTERPOLATE8X8_6TAP_LOWPASS_PTR interpolate8x8_6tap_lowpass_v; + INTERPOLATE8X8 interpolate8x8_halfpel_h_c; INTERPOLATE8X8 interpolate8x8_halfpel_v_c; INTERPOLATE8X8 interpolate8x8_halfpel_hv_c; @@ -82,15 +83,34 @@ INTERPOLATE8X8 interpolate8x8_halfpel_v_3dn; INTERPOLATE8X8 interpolate8x8_halfpel_hv_3dn; +INTERPOLATE8X8 interpolate8x8_halfpel_h_3dne; +INTERPOLATE8X8 interpolate8x8_halfpel_v_3dne; +INTERPOLATE8X8 interpolate8x8_halfpel_hv_3dne; + INTERPOLATE8X8 interpolate8x8_halfpel_h_ia64; INTERPOLATE8X8 interpolate8x8_halfpel_v_ia64; INTERPOLATE8X8 interpolate8x8_halfpel_hv_ia64; -void interpolate8x8_c(uint8_t * const dst, - const uint8_t * const src, - const uint32_t x, - const uint32_t y, - const uint32_t stride); +INTERPOLATE8X8_AVG2 interpolate8x8_avg2_c; +INTERPOLATE8X8_AVG4 interpolate8x8_avg4_c; + +INTERPOLATE8X8_AVG2 interpolate8x8_avg2_mmx; +INTERPOLATE8X8_AVG4 interpolate8x8_avg4_mmx; + +INTERPOLATE_LOWPASS interpolate8x8_lowpass_h_c; +INTERPOLATE_LOWPASS interpolate8x8_lowpass_v_c; + +INTERPOLATE_LOWPASS interpolate16x16_lowpass_h_c; +INTERPOLATE_LOWPASS interpolate16x16_lowpass_v_c; + +INTERPOLATE_LOWPASS_HV interpolate8x8_lowpass_hv_c; +INTERPOLATE_LOWPASS_HV interpolate16x16_lowpass_hv_c; + +INTERPOLATE8X8_6TAP_LOWPASS interpolate8x8_6tap_lowpass_h_c; +INTERPOLATE8X8_6TAP_LOWPASS interpolate8x8_6tap_lowpass_v_c; + +INTERPOLATE8X8_6TAP_LOWPASS interpolate8x8_6tap_lowpass_h_mmx; +INTERPOLATE8X8_6TAP_LOWPASS interpolate8x8_6tap_lowpass_v_mmx; static __inline void interpolate8x8_switch(uint8_t * const cur, @@ -104,7 +124,7 @@ { int32_t ddx, ddy; - switch (((dx & 1) << 1) + (dy & 1)) /* ((dx%2)?2:0)+((dy%2)?1:0) */ + switch (((dx & 1) << 1) + (dy & 1)) // ((dx%2)?2:0)+((dy%2)?1:0) { case 0: ddx = dx / 2; @@ -139,3 +159,387 @@ } } + +static __inline void +interpolate16x16_switch(uint8_t * const cur, + const uint8_t * const refn, + const uint32_t x, + const uint32_t y, + const int32_t dx, + const int dy, + const uint32_t stride, + const uint32_t rounding) +{ + interpolate8x8_switch(cur, refn, x, y, dx, dy, stride, rounding); + interpolate8x8_switch(cur, refn, x+8, y, dx, dy, stride, rounding); + interpolate8x8_switch(cur, refn, x, y+8, dx, dy, stride, rounding); + interpolate8x8_switch(cur, refn, x+8, y+8, dx, dy, stride, rounding); +} + + +static __inline void +interpolate32x32_switch(uint8_t * const cur, + const uint8_t * const refn, + const uint32_t x, + const uint32_t y, + const int32_t dx, + const int dy, + const uint32_t stride, + const uint32_t rounding) +{ + interpolate16x16_switch(cur, refn, x, y, dx, dy, stride, rounding); + interpolate16x16_switch(cur, refn, x+16, y, dx, dy, stride, rounding); + interpolate16x16_switch(cur, refn, x, y+16, dx, dy, stride, rounding); + interpolate16x16_switch(cur, refn, x+16, y+16, dx, dy, stride, rounding); +} + + +static __inline uint8_t * +interpolate8x8_switch2(uint8_t * const buffer, + const uint8_t * const refn, + const uint32_t x, + const uint32_t y, + const int32_t dx, + const int dy, + const uint32_t stride, + const uint32_t rounding) +{ + int32_t ddx, ddy; + + switch (((dx & 1) << 1) + (dy & 1)) // ((dx%2)?2:0)+((dy%2)?1:0) + { + case 0: + return (uint8_t *)refn + (int)((y + dy/2) * stride + x + dx/2); + + case 1: + ddx = dx / 2; + ddy = (dy - 1) / 2; + interpolate8x8_halfpel_v(buffer, + refn + (int)((y + ddy) * stride + x + ddx), stride, + rounding); + break; + + case 2: + ddx = (dx - 1) / 2; + ddy = dy / 2; + interpolate8x8_halfpel_h(buffer, + refn + (int)((y + ddy) * stride + x + ddx), stride, + rounding); + break; + + default: + ddx = (dx - 1) / 2; + ddy = (dy - 1) / 2; + interpolate8x8_halfpel_hv(buffer, + refn + (int)((y + ddy) * stride + x + ddx), stride, + rounding); + break; + } + return buffer; +} + +static __inline void interpolate8x8_quarterpel(uint8_t * const cur, + uint8_t * const refn, + uint8_t * const refh, + uint8_t * const refv, + uint8_t * const refhv, + const uint32_t x, const uint32_t y, + const int32_t dx, const int dy, + const uint32_t stride, + const uint32_t rounding) +{ + const int32_t xRef = x*4 + dx; + const int32_t yRef = y*4 + dy; + + uint8_t *src, *dst; + uint8_t *halfpel_h, *halfpel_v, *halfpel_hv; + int32_t x_int, y_int, x_frac, y_frac; + + x_int = xRef/4; + if (xRef < 0 && xRef % 4) + x_int--; + + x_frac = xRef - (4*x_int); + + y_int = yRef/4; + if (yRef < 0 && yRef % 4) + y_int--; + + y_frac = yRef - (4*y_int); + + src = refn + y_int * stride + x_int; + halfpel_h = refh; + halfpel_v = refv; + halfpel_hv = refhv; + + dst = cur + y * stride + x; + + switch((y_frac << 2) | (x_frac)) { + + case 0: + transfer8x8_copy(dst, src, stride); + break; + + case 1: + interpolate8x8_lowpass_h(halfpel_h, src, stride, rounding); + interpolate8x8_avg2(dst, src, halfpel_h, stride, rounding, 8); + break; + + case 2: + interpolate8x8_lowpass_h(dst, src, stride, rounding); + break; + + case 3: + interpolate8x8_lowpass_h(halfpel_h, src, stride, rounding); + interpolate8x8_avg2(dst, src + 1, halfpel_h, stride, rounding, 8); + break; + + case 4: + interpolate8x8_lowpass_v(halfpel_v, src, stride, rounding); + interpolate8x8_avg2(dst, src, halfpel_v, stride, rounding, 8); + break; + + case 5: + interpolate8x8_lowpass_h(halfpel_h, src, stride, rounding); + interpolate8x8_avg2(halfpel_v, src, halfpel_h, stride, rounding, 9); + interpolate8x8_lowpass_v(halfpel_hv, halfpel_v, stride, rounding); + interpolate8x8_avg2(dst, halfpel_v, halfpel_hv, stride, rounding, 8); + break; + + case 6: + interpolate8x8_lowpass_hv(halfpel_hv, halfpel_h, src, stride, rounding); + interpolate8x8_avg2(dst, halfpel_h, halfpel_hv, stride, rounding, 8); + break; + + case 7: + interpolate8x8_lowpass_h(halfpel_h, src, stride, rounding); + interpolate8x8_avg2(halfpel_v, src + 1, halfpel_h, stride, rounding, 9); + interpolate8x8_lowpass_v(halfpel_hv, halfpel_v, stride, rounding); + interpolate8x8_avg2(dst, halfpel_v, halfpel_hv, stride, rounding, 8); + break; + + case 8: + interpolate8x8_lowpass_v(dst, src, stride, rounding); + break; + + case 9: + interpolate8x8_lowpass_h(halfpel_h, src, stride, rounding); + interpolate8x8_avg2(halfpel_v, src, halfpel_h, stride, rounding, 9); + interpolate8x8_lowpass_v(dst, halfpel_v, stride, rounding); + break; + + case 10: + interpolate8x8_lowpass_hv(dst, halfpel_h, src, stride, rounding); + break; + + case 11: + interpolate8x8_lowpass_h(halfpel_h, src, stride, rounding); + interpolate8x8_avg2(halfpel_v, src + 1, halfpel_h, stride, rounding, 9); + interpolate8x8_lowpass_v(dst, halfpel_v, stride, rounding); + break; + + case 12: + interpolate8x8_lowpass_v(halfpel_v, src, stride, rounding); + interpolate8x8_avg2(dst, src+stride, halfpel_v, stride, rounding, 8); + break; + + case 13: + interpolate8x8_lowpass_h(halfpel_h, src, stride, rounding); + interpolate8x8_avg2(halfpel_v, src, halfpel_h, stride, rounding, 9); + interpolate8x8_lowpass_v(halfpel_hv, halfpel_v, stride, rounding); + interpolate8x8_avg2(dst, halfpel_v+stride, halfpel_hv, stride, rounding, 8); + break; + + case 14: + interpolate8x8_lowpass_hv(halfpel_hv, halfpel_h, src, stride, rounding); + interpolate8x8_avg2(dst, halfpel_h+stride, halfpel_hv, stride, rounding, 8); + break; + + case 15: + interpolate8x8_lowpass_h(halfpel_h, src, stride, rounding); + interpolate8x8_avg2(halfpel_v, src + 1, halfpel_h, stride, rounding, 9); + interpolate8x8_lowpass_v(halfpel_hv, halfpel_v, stride, rounding); + interpolate8x8_avg2(dst, halfpel_hv, halfpel_v + stride, stride, rounding, 8); + break; + } +} + +static __inline void interpolate16x16_quarterpel(uint8_t * const cur, + uint8_t * const refn, + uint8_t * const refh, + uint8_t * const refv, + uint8_t * const refhv, + const uint32_t x, const uint32_t y, + const int32_t dx, const int dy, + const uint32_t stride, + const uint32_t rounding) +{ + const int32_t xRef = x*4 + dx; + const int32_t yRef = y*4 + dy; + + uint8_t *src, *dst; + uint8_t *halfpel_h, *halfpel_v, *halfpel_hv; + int32_t x_int, y_int, x_frac, y_frac; + + x_int = xRef/4; + if (xRef < 0 && xRef % 4) + x_int--; + + x_frac = xRef - (4*x_int); + + y_int = yRef/4; + if (yRef < 0 && yRef % 4) + y_int--; + + y_frac = yRef - (4*y_int); + + src = refn + y_int * stride + x_int; + halfpel_h = refh; + halfpel_v = refv; + halfpel_hv = refhv; + + dst = cur + y * stride + x; + + switch((y_frac << 2) | (x_frac)) { + + case 0: + transfer16x16_copy(dst, src, stride); + break; + + case 1: + interpolate16x16_lowpass_h(halfpel_h, src, stride, rounding); + interpolate8x8_avg2(dst, src, halfpel_h, stride, rounding, 8); + interpolate8x8_avg2(dst+8, src+8, halfpel_h+8, stride, rounding, 8); + interpolate8x8_avg2(dst+8*stride, src+8*stride, halfpel_h+8*stride, stride, rounding, 8); + interpolate8x8_avg2(dst+8*stride+8, src+8*stride+8, halfpel_h+8*stride+8, stride, rounding, 8); + break; + + case 2: + interpolate16x16_lowpass_h(dst, src, stride, rounding); + break; + + case 3: + interpolate16x16_lowpass_h(halfpel_h, src, stride, rounding); + interpolate8x8_avg2(dst, src + 1, halfpel_h, stride, rounding, 8); + interpolate8x8_avg2(dst+8, src + 8 + 1, halfpel_h+8, stride, rounding, 8); + interpolate8x8_avg2(dst+8*stride, src + 8*stride + 1, halfpel_h+8*stride, stride, rounding, 8); + interpolate8x8_avg2(dst+8*stride+8, src+8*stride+8 + 1, halfpel_h+8*stride+8, stride, rounding, 8); + break; + + case 4: + interpolate16x16_lowpass_v(halfpel_v, src, stride, rounding); + interpolate8x8_avg2(dst, src, halfpel_v, stride, rounding, 8); + interpolate8x8_avg2(dst+8, src+8, halfpel_v+8, stride, rounding, 8); + interpolate8x8_avg2(dst+8*stride, src+8*stride, halfpel_v+8*stride, stride, rounding, 8); + interpolate8x8_avg2(dst+8*stride+8, src+8*stride+8, halfpel_v+8*stride+8, stride, rounding, 8); + break; + + case 5: + interpolate16x16_lowpass_h(halfpel_h, src, stride, rounding); + interpolate8x8_avg2(halfpel_v, src, halfpel_h, stride, rounding, 9); + interpolate8x8_avg2(halfpel_v+8, src + 8, halfpel_h+8, stride, rounding, 9); + interpolate8x8_avg2(halfpel_v+8*stride, src + 8*stride, halfpel_h+8*stride, stride, rounding, 9); + interpolate8x8_avg2(halfpel_v+8*stride+8, src+8*stride+8, halfpel_h+8*stride+8, stride, rounding, 9); + + interpolate16x16_lowpass_v(halfpel_hv, halfpel_v, stride, rounding); + interpolate8x8_avg2(dst, halfpel_hv, halfpel_v, stride, rounding, 8); + interpolate8x8_avg2(dst+8, halfpel_hv+8, halfpel_v+8, stride, rounding, 8); + interpolate8x8_avg2(dst+8*stride, halfpel_hv+8*stride, halfpel_v+8*stride, stride, rounding, 8); + interpolate8x8_avg2(dst+8*stride+8, halfpel_hv+8*stride+8, halfpel_v+8*stride+8, stride, rounding, 8); + break; + + case 6: + interpolate16x16_lowpass_hv(halfpel_hv, halfpel_h, src, stride, rounding); + interpolate8x8_avg2(dst, halfpel_h, halfpel_hv, stride, rounding, 8); + interpolate8x8_avg2(dst+8, halfpel_h+8, halfpel_hv+8, stride, rounding, 8); + interpolate8x8_avg2(dst+8*stride, halfpel_h+8*stride, halfpel_hv+8*stride, stride, rounding, 8); + interpolate8x8_avg2(dst+8*stride+8, halfpel_h+8*stride+8, halfpel_hv+8*stride+8, stride, rounding, 8); + break; + + case 7: + interpolate16x16_lowpass_h(halfpel_h, src, stride, rounding); + interpolate8x8_avg2(halfpel_v, src+1, halfpel_h, stride, rounding, 9); + interpolate8x8_avg2(halfpel_v+8, src+1 + 8, halfpel_h+8, stride, rounding, 9); + interpolate8x8_avg2(halfpel_v+8*stride, src+1 + 8*stride, halfpel_h+8*stride, stride, rounding, 9); + interpolate8x8_avg2(halfpel_v+8*stride+8, src+1+8*stride+8, halfpel_h+8*stride+8, stride, rounding, 9); + + interpolate16x16_lowpass_v(halfpel_hv, halfpel_v, stride, rounding); + interpolate8x8_avg2(dst, halfpel_hv, halfpel_v, stride, rounding, 8); + interpolate8x8_avg2(dst+8, halfpel_hv+8, halfpel_v+8, stride, rounding, 8); + interpolate8x8_avg2(dst+8*stride, halfpel_hv+8*stride, halfpel_v+8*stride, stride, rounding, 8); + interpolate8x8_avg2(dst+8*stride+8, halfpel_hv+8*stride+8, halfpel_v+8*stride+8, stride, rounding, 8); + break; + + case 8: + interpolate16x16_lowpass_v(dst, src, stride, rounding); + break; + + case 9: + interpolate16x16_lowpass_h(halfpel_h, src, stride, rounding); + interpolate8x8_avg2(halfpel_v, src, halfpel_h, stride, rounding, 9); + interpolate8x8_avg2(halfpel_v+8, src + 8, halfpel_h+8, stride, rounding, 9); + interpolate8x8_avg2(halfpel_v+8*stride, src + 8*stride, halfpel_h+8*stride, stride, rounding, 9); + interpolate8x8_avg2(halfpel_v+8*stride+8, src+8*stride+8, halfpel_h+8*stride+8, stride, rounding, 9); + interpolate16x16_lowpass_v(dst, halfpel_v, stride, rounding); + break; + + case 10: + interpolate16x16_lowpass_hv(dst, halfpel_h, src, stride, rounding); + break; + + case 11: + interpolate16x16_lowpass_h(halfpel_h, src, stride, rounding); + interpolate8x8_avg2(halfpel_v, src+1, halfpel_h, stride, rounding, 9); + interpolate8x8_avg2(halfpel_v+8, src+1 + 8, halfpel_h+8, stride, rounding, 9); + interpolate8x8_avg2(halfpel_v+8*stride, src+1 + 8*stride, halfpel_h+8*stride, stride, rounding, 9); + interpolate8x8_avg2(halfpel_v+8*stride+8, src+1+8*stride+8, halfpel_h+8*stride+8, stride, rounding, 9); + interpolate16x16_lowpass_v(dst, halfpel_v, stride, rounding); + break; + + case 12: + interpolate16x16_lowpass_v(halfpel_v, src, stride, rounding); + interpolate8x8_avg2(dst, src+stride, halfpel_v, stride, rounding, 8); + interpolate8x8_avg2(dst+8, src+stride+8, halfpel_v+8, stride, rounding, 8); + interpolate8x8_avg2(dst+8*stride, src+stride+8*stride, halfpel_v+8*stride, stride, rounding, 8); + interpolate8x8_avg2(dst+8*stride+8, src+stride+8*stride+8, halfpel_v+8*stride+8, stride, rounding, 8); + break; + + case 13: + interpolate16x16_lowpass_h(halfpel_h, src, stride, rounding); + interpolate8x8_avg2(halfpel_v, src, halfpel_h, stride, rounding, 9); + interpolate8x8_avg2(halfpel_v+8, src + 8, halfpel_h+8, stride, rounding, 9); + interpolate8x8_avg2(halfpel_v+8*stride, src + 8*stride, halfpel_h+8*stride, stride, rounding, 9); + interpolate8x8_avg2(halfpel_v+8*stride+8, src+8*stride+8, halfpel_h+8*stride+8, stride, rounding, 9); + + interpolate16x16_lowpass_v(halfpel_hv, halfpel_v, stride, rounding); + interpolate8x8_avg2(dst, halfpel_hv, halfpel_v+stride, stride, rounding, 8); + interpolate8x8_avg2(dst+8, halfpel_hv+8, halfpel_v+stride+8, stride, rounding, 8); + interpolate8x8_avg2(dst+8*stride, halfpel_hv+8*stride, halfpel_v+stride+8*stride, stride, rounding, 8); + interpolate8x8_avg2(dst+8*stride+8, halfpel_hv+8*stride+8, halfpel_v+stride+8*stride+8, stride, rounding, 8); + break; + + case 14: + interpolate16x16_lowpass_hv(halfpel_hv, halfpel_h, src, stride, rounding); + interpolate8x8_avg2(dst, halfpel_h+stride, halfpel_hv, stride, rounding, 8); + interpolate8x8_avg2(dst+8, halfpel_h+stride+8, halfpel_hv+8, stride, rounding, 8); + interpolate8x8_avg2(dst+8*stride, halfpel_h+stride+8*stride, halfpel_hv+8*stride, stride, rounding, 8); + interpolate8x8_avg2(dst+8*stride+8, halfpel_h+stride+8*stride+8, halfpel_hv+8*stride+8, stride, rounding, 8); + break; + + case 15: + interpolate16x16_lowpass_h(halfpel_h, src, stride, rounding); + interpolate8x8_avg2(halfpel_v, src+1, halfpel_h, stride, rounding, 9); + interpolate8x8_avg2(halfpel_v+8, src+1 + 8, halfpel_h+8, stride, rounding, 9); + interpolate8x8_avg2(halfpel_v+8*stride, src+1 + 8*stride, halfpel_h+8*stride, stride, rounding, 9); + interpolate8x8_avg2(halfpel_v+8*stride+8, src+1+8*stride+8, halfpel_h+8*stride+8, stride, rounding, 9); + + interpolate16x16_lowpass_v(halfpel_hv, halfpel_v, stride, rounding); + interpolate8x8_avg2(dst, halfpel_hv, halfpel_v+stride, stride, rounding, 8); + interpolate8x8_avg2(dst+8, halfpel_hv+8, halfpel_v+stride+8, stride, rounding, 8); + interpolate8x8_avg2(dst+8*stride, halfpel_hv+8*stride, halfpel_v+stride+8*stride, stride, rounding, 8); + interpolate8x8_avg2(dst+8*stride+8, halfpel_hv+8*stride+8, halfpel_v+stride+8*stride+8, stride, rounding, 8); + break; + } +} + +#endif