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// 01.05.2002 updated MBMotionCompensationBVOP |
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// 14.04.2002 bframe compensation |
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* XVID MPEG-4 VIDEO CODEC |
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* - Motion Compensation module - |
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* |
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* Copyright(C) 2002 Peter Ross <pross@xvid.org> |
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* |
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* This file is part of XviD, a free MPEG-4 video encoder/decoder |
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* |
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* XviD is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
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* Under section 8 of the GNU General Public License, the copyright |
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* holders of XVID explicitly forbid distribution in the following |
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* countries: |
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* |
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* - Japan |
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* - United States of America |
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* |
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* Linking XviD statically or dynamically with other modules is making a |
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* combined work based on XviD. Thus, the terms and conditions of the |
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* GNU General Public License cover the whole combination. |
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* |
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* As a special exception, the copyright holders of XviD give you |
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* permission to link XviD with independent modules that communicate with |
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* XviD solely through the VFW1.1 and DShow interfaces, regardless of the |
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* license terms of these independent modules, and to copy and distribute |
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* the resulting combined work under terms of your choice, provided that |
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* every copy of the combined work is accompanied by a complete copy of |
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* the source code of XviD (the version of XviD used to produce the |
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* combined work), being distributed under the terms of the GNU General |
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* Public License plus this exception. An independent module is a module |
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* which is not derived from or based on XviD. |
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* |
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* Note that people who make modified versions of XviD are not obligated |
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* to grant this special exception for their modified versions; it is |
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* their choice whether to do so. The GNU General Public License gives |
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* permission to release a modified version without this exception; this |
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* exception also makes it possible to release a modified version which |
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* carries forward this exception. |
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* |
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* $Id: motion_comp.c,v 1.15 2002-11-17 00:32:06 edgomez Exp $ |
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* |
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*************************************************************************/ |
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#include "../encoder.h" |
#include "../encoder.h" |
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#include "../utils/mbfunctions.h" |
#include "../utils/mbfunctions.h" |
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dy = (dy & 3) ? (dy >> 1) | 1 : dy / 2; |
dy = (dy & 3) ? (dy >> 1) | 1 : dy / 2; |
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/* uv-image-based compensation */ |
/* uv-image-based compensation */ |
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#ifdef BFRAMES |
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compensate8x8_halfpel(&dct_codes[4 * 64], cur->u, ref->u, refh->u, |
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refv->u, refhv->u, 8 * i, 8 * j, dx, dy, |
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edged_width / 2); |
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compensate8x8_halfpel(&dct_codes[5 * 64], cur->v, ref->v, refh->v, |
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refv->v, refhv->v, 8 * i, 8 * j, dx, dy, |
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edged_width / 2); |
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#else |
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/* uv-block-based compensation */ |
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interpolate8x8_switch(refv->u, ref->u, 8 * i, 8 * j, dx, dy, |
interpolate8x8_switch(refv->u, ref->u, 8 * i, 8 * j, dx, dy, |
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edged_width / 2, rounding); |
edged_width / 2, rounding); |
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transfer_8to16sub(&dct_codes[4 * 64], |
transfer_8to16sub(&dct_codes[4 * 64], |
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cur->v + 8 * j * edged_width / 2 + 8 * i, |
cur->v + 8 * j * edged_width / 2 + 8 * i, |
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refv->v + 8 * j * edged_width / 2 + 8 * i, |
refv->v + 8 * j * edged_width / 2 + 8 * i, |
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edged_width / 2); |
edged_width / 2); |
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#endif |
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} else // mode == MODE_INTER4V |
} else // mode == MODE_INTER4V |
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{ |
{ |
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int32_t sum, dx, dy; |
int32_t sum, dx, dy; |
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dy = (sum ? SIGN(sum) * |
dy = (sum ? SIGN(sum) * |
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(roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2) : 0); |
(roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2) : 0); |
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/* uv-image-based compensation */ |
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#ifdef BFRAMES |
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compensate8x8_halfpel(&dct_codes[4 * 64], cur->u, ref->u, refh->u, |
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refv->u, refhv->u, 8 * i, 8 * j, dx, dy, |
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edged_width / 2); |
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compensate8x8_halfpel(&dct_codes[5 * 64], cur->v, ref->v, refh->v, |
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refv->v, refhv->v, 8 * i, 8 * j, dx, dy, |
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edged_width / 2); |
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#else |
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/* uv-block-based compensation */ |
/* uv-block-based compensation */ |
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interpolate8x8_switch(refv->u, ref->u, 8 * i, 8 * j, dx, dy, |
interpolate8x8_switch(refv->u, ref->u, 8 * i, 8 * j, dx, dy, |
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edged_width / 2, rounding); |
edged_width / 2, rounding); |
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cur->v + 8 * j * edged_width / 2 + 8 * i, |
cur->v + 8 * j * edged_width / 2 + 8 * i, |
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refv->v + 8 * j * edged_width / 2 + 8 * i, |
refv->v + 8 * j * edged_width / 2 + 8 * i, |
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edged_width / 2); |
edged_width / 2); |
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#endif |
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} |
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} |
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void |
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MBMotionCompensationBVOP(MBParam * pParam, |
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MACROBLOCK * const mb, |
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const uint32_t i, |
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const uint32_t j, |
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IMAGE * const cur, |
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const IMAGE * const f_ref, |
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const IMAGE * const f_refh, |
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const IMAGE * const f_refv, |
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const IMAGE * const f_refhv, |
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const IMAGE * const b_ref, |
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const IMAGE * const b_refh, |
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const IMAGE * const b_refv, |
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const IMAGE * const b_refhv, |
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int16_t * dct_codes) |
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{ |
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static const uint32_t roundtab[16] = |
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{ 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2 }; |
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const int32_t edged_width = pParam->edged_width; |
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int32_t dx, dy; |
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int32_t b_dx, b_dy; |
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int x = i; |
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int y = j; |
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switch (mb->mode) { |
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case MODE_FORWARD: |
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dx = mb->mvs[0].x; |
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dy = mb->mvs[0].y; |
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transfer_8to16sub_c(&dct_codes[0 * 64], |
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cur->y + (j * 16) * edged_width + (i * 16), |
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get_ref(f_ref->y, f_refh->y, f_refv->y, f_refhv->y, |
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i * 16, j * 16, 1, dx, dy, edged_width), |
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edged_width); |
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transfer_8to16sub(&dct_codes[1 * 64], |
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cur->y + (j * 16) * edged_width + (i * 16 + 8), |
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get_ref(f_ref->y, f_refh->y, f_refv->y, f_refhv->y, |
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i * 16 + 8, j * 16, 1, dx, dy, edged_width), |
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edged_width); |
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transfer_8to16sub_c(&dct_codes[2 * 64], |
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cur->y + (j * 16 + 8) * edged_width + (i * 16), |
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get_ref(f_ref->y, f_refh->y, f_refv->y, f_refhv->y, |
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i * 16, j * 16 + 8, 1, dx, dy, |
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edged_width), edged_width); |
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transfer_8to16sub(&dct_codes[3 * 64], |
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cur->y + (j * 16 + 8) * edged_width + (i * 16 + 8), |
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get_ref(f_ref->y, f_refh->y, f_refv->y, f_refhv->y, |
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i * 16 + 8, j * 16 + 8, 1, dx, dy, |
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edged_width), edged_width); |
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dx = (dx & 3) ? (dx >> 1) | 1 : dx / 2; |
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dy = (dy & 3) ? (dy >> 1) | 1 : dy / 2; |
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/* uv-image-based compensation */ |
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compensate8x8_halfpel(&dct_codes[4 * 64], cur->u, f_ref->u, f_refh->u, |
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f_refv->u, f_refhv->u, 8 * i, 8 * j, dx, dy, |
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edged_width / 2); |
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compensate8x8_halfpel(&dct_codes[5 * 64], cur->v, f_ref->v, f_refh->v, |
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f_refv->v, f_refhv->v, 8 * i, 8 * j, dx, dy, |
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edged_width / 2); |
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break; |
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case MODE_BACKWARD: |
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b_dx = mb->b_mvs[0].x; |
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b_dy = mb->b_mvs[0].y; |
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transfer_8to16sub_c(&dct_codes[0 * 64], |
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cur->y + (j * 16) * edged_width + (i * 16), |
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get_ref(b_ref->y, b_refh->y, b_refv->y, b_refhv->y, |
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i * 16, j * 16, 1, b_dx, b_dy, |
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edged_width), edged_width); |
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transfer_8to16sub(&dct_codes[1 * 64], |
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cur->y + (j * 16) * edged_width + (i * 16 + 8), |
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get_ref(b_ref->y, b_refh->y, b_refv->y, b_refhv->y, |
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i * 16 + 8, j * 16, 1, b_dx, b_dy, |
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edged_width), edged_width); |
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transfer_8to16sub_c(&dct_codes[2 * 64], |
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cur->y + (j * 16 + 8) * edged_width + (i * 16), |
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get_ref(b_ref->y, b_refh->y, b_refv->y, b_refhv->y, |
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i * 16, j * 16 + 8, 1, b_dx, b_dy, |
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edged_width), edged_width); |
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transfer_8to16sub(&dct_codes[3 * 64], |
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cur->y + (j * 16 + 8) * edged_width + (i * 16 + 8), |
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get_ref(b_ref->y, b_refh->y, b_refv->y, b_refhv->y, |
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i * 16 + 8, j * 16 + 8, 1, b_dx, b_dy, |
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edged_width), edged_width); |
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b_dx = (b_dx & 3) ? (b_dx >> 1) | 1 : b_dx / 2; |
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b_dy = (b_dy & 3) ? (b_dy >> 1) | 1 : b_dy / 2; |
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/* uv-image-based compensation */ |
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compensate8x8_halfpel(&dct_codes[4 * 64], cur->u, b_ref->u, b_refh->u, |
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b_refv->u, b_refhv->u, 8 * i, 8 * j, b_dx, b_dy, |
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edged_width / 2); |
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compensate8x8_halfpel(&dct_codes[5 * 64], cur->v, b_ref->v, b_refh->v, |
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b_refv->v, b_refhv->v, 8 * i, 8 * j, b_dx, b_dy, |
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edged_width / 2); |
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break; |
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case MODE_INTERPOLATE: |
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dx = mb->mvs[0].x; |
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dy = mb->mvs[0].y; |
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b_dx = mb->b_mvs[0].x; |
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b_dy = mb->b_mvs[0].y; |
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transfer_8to16sub2_c(&dct_codes[0 * 64], |
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cur->y + (i * 16) + (j * 16) * edged_width, |
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get_ref(f_ref->y, f_refh->y, f_refv->y, |
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f_refhv->y, 16 * i, 16 * j, 1, dx, dy, |
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edged_width), get_ref(b_ref->y, b_refh->y, |
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b_refv->y, |
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b_refhv->y, 16 * i, |
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16 * j, 1, b_dx, |
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b_dy, edged_width), |
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edged_width); |
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transfer_8to16sub2_c(&dct_codes[1 * 64], |
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cur->y + (i * 16 + 8) + (j * 16) * edged_width, |
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get_ref(f_ref->y, f_refh->y, f_refv->y, |
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f_refhv->y, 16 * i + 8, 16 * j, 1, dx, dy, |
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edged_width), get_ref(b_ref->y, b_refh->y, |
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b_refv->y, |
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b_refhv->y, |
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16 * i + 8, 16 * j, |
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1, b_dx, b_dy, |
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edged_width), |
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edged_width); |
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transfer_8to16sub2_c(&dct_codes[2 * 64], |
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cur->y + (i * 16) + (j * 16 + 8) * edged_width, |
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get_ref(f_ref->y, f_refh->y, f_refv->y, |
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f_refhv->y, 16 * i, 16 * j + 8, 1, dx, dy, |
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edged_width), get_ref(b_ref->y, b_refh->y, |
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b_refv->y, |
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b_refhv->y, 16 * i, |
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16 * j + 8, 1, b_dx, |
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b_dy, edged_width), |
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edged_width); |
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transfer_8to16sub2_c(&dct_codes[3 * 64], |
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cur->y + (i * 16 + 8) + (j * 16 + |
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8) * edged_width, |
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get_ref(f_ref->y, f_refh->y, f_refv->y, |
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f_refhv->y, 16 * i + 8, 16 * j + 8, 1, dx, |
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dy, edged_width), get_ref(b_ref->y, |
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b_refh->y, |
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b_refv->y, |
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b_refhv->y, |
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16 * i + 8, |
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16 * j + 8, 1, |
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b_dx, b_dy, |
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edged_width), |
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edged_width); |
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dx = (dx & 3) ? (dx >> 1) | 1 : dx / 2; |
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dy = (dy & 3) ? (dy >> 1) | 1 : dy / 2; |
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b_dx = (b_dx & 3) ? (b_dx >> 1) | 1 : b_dx / 2; |
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b_dy = (b_dy & 3) ? (b_dy >> 1) | 1 : b_dy / 2; |
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transfer_8to16sub2_c(&dct_codes[4 * 64], |
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cur->u + (y * 8) * edged_width / 2 + (x * 8), |
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get_ref(f_ref->u, f_refh->u, f_refv->u, |
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f_refhv->u, 8 * i, 8 * j, 1, dx, dy, |
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edged_width / 2), get_ref(b_ref->u, |
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b_refh->u, |
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b_refv->u, |
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b_refhv->u, |
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8 * i, 8 * j, 1, |
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b_dx, b_dy, |
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edged_width / |
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2), |
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edged_width / 2); |
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transfer_8to16sub2_c(&dct_codes[5 * 64], |
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cur->v + (y * 8) * edged_width / 2 + (x * 8), |
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get_ref(f_ref->v, f_refh->v, f_refv->v, |
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f_refhv->v, 8 * i, 8 * j, 1, dx, dy, |
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edged_width / 2), get_ref(b_ref->v, |
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b_refh->v, |
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b_refv->v, |
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b_refhv->v, |
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8 * i, 8 * j, 1, |
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b_dx, b_dy, |
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edged_width / |
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2), |
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edged_width / 2); |
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break; |
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case MODE_DIRECT: |
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// todo |
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break; |
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} |
} |
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} |
} |
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