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ffmpeg/libavcodec/motion_est.c
Falk Hüffner 7906085fcc warning patrol 
Originally committed as revision 2925 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-03-24 23:32:48 +00:00

1889 lines
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/*
* Motion estimation
* Copyright (c) 2000,2001 Fabrice Bellard.
* Copyright (c) 2002-2004 Michael Niedermayer
*
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* new Motion Estimation (X1/EPZS) by Michael Niedermayer <michaelni@gmx.at>
*/
/**
* @file motion_est.c
* Motion estimation.
*/
#include <stdlib.h>
#include <stdio.h>
#include <limits.h>
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
//#undef NDEBUG
//#include <assert.h>
#define SQ(a) ((a)*(a))
#define P_LEFT P[1]
#define P_TOP P[2]
#define P_TOPRIGHT P[3]
#define P_MEDIAN P[4]
#define P_MV1 P[9]
static inline int sad_hpel_motion_search(MpegEncContext * s,
int *mx_ptr, int *my_ptr, int dmin,
int pred_x, int pred_y, uint8_t *src_data[3],
uint8_t *ref_data[6], int stride, int uvstride,
int size, int h, uint8_t * const mv_penalty);
static inline int update_map_generation(MpegEncContext * s)
{
s->me.map_generation+= 1<<(ME_MAP_MV_BITS*2);
if(s->me.map_generation==0){
s->me.map_generation= 1<<(ME_MAP_MV_BITS*2);
memset(s->me.map, 0, sizeof(uint32_t)*ME_MAP_SIZE);
}
return s->me.map_generation;
}
/* shape adaptive search stuff */
typedef struct Minima{
int height;
int x, y;
int checked;
}Minima;
static int minima_cmp(const void *a, const void *b){
const Minima *da = (const Minima *) a;
const Minima *db = (const Minima *) b;
return da->height - db->height;
}
/* SIMPLE */
#define RENAME(a) simple_ ## a
#define CMP(d, x, y, size)\
d = cmp(s, src_y, (ref_y) + (x) + (y)*(stride), stride, h);
#define CMP_HPEL(d, dx, dy, x, y, size)\
{\
const int dxy= (dx) + 2*(dy);\
hpel_put[0][dxy](s->me.scratchpad, (ref_y) + (x) + (y)*(stride), stride, h);\
d = cmp_sub(s, s->me.scratchpad, src_y, stride, h);\
}
#define CMP_QPEL(d, dx, dy, x, y, size)\
{\
const int dxy= (dx) + 4*(dy);\
qpel_put[0][dxy](s->me.scratchpad, (ref_y) + (x) + (y)*(stride), stride);\
d = cmp_sub(s, s->me.scratchpad, src_y, stride, h);\
}
#include "motion_est_template.c"
#undef RENAME
#undef CMP
#undef CMP_HPEL
#undef CMP_QPEL
#undef INIT
/* SIMPLE CHROMA */
#define RENAME(a) simple_chroma_ ## a
#define CMP(d, x, y, size)\
d = cmp(s, src_y, (ref_y) + (x) + (y)*(stride), stride, h);\
if(chroma_cmp){\
int dxy= ((x)&1) + 2*((y)&1);\
int c= ((x)>>1) + ((y)>>1)*uvstride;\
\
chroma_hpel_put[0][dxy](s->me.scratchpad, ref_u + c, uvstride, h>>1);\
d += chroma_cmp(s, s->me.scratchpad, src_u, uvstride, h>>1);\
chroma_hpel_put[0][dxy](s->me.scratchpad, ref_v + c, uvstride, h>>1);\
d += chroma_cmp(s, s->me.scratchpad, src_v, uvstride, h>>1);\
}
#define CMP_HPEL(d, dx, dy, x, y, size)\
{\
const int dxy= (dx) + 2*(dy);\
hpel_put[0][dxy](s->me.scratchpad, (ref_y) + (x) + (y)*(stride), stride, h);\
d = cmp_sub(s, s->me.scratchpad, src_y, stride, h);\
if(chroma_cmp_sub){\
int cxy= (dxy) | ((x)&1) | (2*((y)&1));\
int c= ((x)>>1) + ((y)>>1)*uvstride;\
chroma_hpel_put[0][cxy](s->me.scratchpad, ref_u + c, uvstride, h>>1);\
d += chroma_cmp_sub(s, s->me.scratchpad, src_u, uvstride, h>>1);\
chroma_hpel_put[0][cxy](s->me.scratchpad, ref_v + c, uvstride, h>>1);\
d += chroma_cmp_sub(s, s->me.scratchpad, src_v, uvstride, h>>1);\
}\
}
#define CMP_QPEL(d, dx, dy, x, y, size)\
{\
const int dxy= (dx) + 4*(dy);\
qpel_put[0][dxy](s->me.scratchpad, (ref_y) + (x) + (y)*(stride), stride);\
d = cmp_sub(s, s->me.scratchpad, src_y, stride, h);\
if(chroma_cmp_sub){\
int cxy, c;\
int cx= (4*(x) + (dx))/2;\
int cy= (4*(y) + (dy))/2;\
cx= (cx>>1)|(cx&1);\
cy= (cy>>1)|(cy&1);\
cxy= (cx&1) + 2*(cy&1);\
c= ((cx)>>1) + ((cy)>>1)*uvstride;\
chroma_hpel_put[0][cxy](s->me.scratchpad, ref_u + c, uvstride, h>>1);\
d += chroma_cmp_sub(s, s->me.scratchpad, src_u, uvstride, h>>1);\
chroma_hpel_put[0][cxy](s->me.scratchpad, ref_v + c, uvstride, h>>1);\
d += chroma_cmp_sub(s, s->me.scratchpad, src_v, uvstride, h>>1);\
}\
}
#include "motion_est_template.c"
#undef RENAME
#undef CMP
#undef CMP_HPEL
#undef CMP_QPEL
#undef INIT
/* SIMPLE DIRECT HPEL */
#define RENAME(a) simple_direct_hpel_ ## a
//FIXME precalc divisions stuff
#define CMP_DIRECT(d, dx, dy, x, y, size, cmp_func)\
if((x) >= xmin && 2*(x) + (dx) <= 2*xmax && (y) >= ymin && 2*(y) + (dy) <= 2*ymax){\
const int hx= 2*(x) + (dx);\
const int hy= 2*(y) + (dy);\
if(s->mv_type==MV_TYPE_8X8){\
int i;\
for(i=0; i<4; i++){\
int fx = s->me.direct_basis_mv[i][0] + hx;\
int fy = s->me.direct_basis_mv[i][1] + hy;\
int bx = hx ? fx - s->me.co_located_mv[i][0] : s->me.co_located_mv[i][0]*(time_pb - time_pp)/time_pp + (i &1)*16;\
int by = hy ? fy - s->me.co_located_mv[i][1] : s->me.co_located_mv[i][1]*(time_pb - time_pp)/time_pp + (i>>1)*16;\
int fxy= (fx&1) + 2*(fy&1);\
int bxy= (bx&1) + 2*(by&1);\
\
uint8_t *dst= s->me.scratchpad + 8*(i&1) + 8*stride*(i>>1);\
hpel_put[1][fxy](dst, (ref_y ) + (fx>>1) + (fy>>1)*(stride), stride, 8);\
hpel_avg[1][bxy](dst, (ref_data[3]) + (bx>>1) + (by>>1)*(stride), stride, 8);\
}\
}else{\
int fx = s->me.direct_basis_mv[0][0] + hx;\
int fy = s->me.direct_basis_mv[0][1] + hy;\
int bx = hx ? fx - s->me.co_located_mv[0][0] : (s->me.co_located_mv[0][0]*(time_pb - time_pp)/time_pp);\
int by = hy ? fy - s->me.co_located_mv[0][1] : (s->me.co_located_mv[0][1]*(time_pb - time_pp)/time_pp);\
int fxy= (fx&1) + 2*(fy&1);\
int bxy= (bx&1) + 2*(by&1);\
\
assert((fx>>1) + 16*s->mb_x >= -16);\
assert((fy>>1) + 16*s->mb_y >= -16);\
assert((fx>>1) + 16*s->mb_x <= s->width);\
assert((fy>>1) + 16*s->mb_y <= s->height);\
assert((bx>>1) + 16*s->mb_x >= -16);\
assert((by>>1) + 16*s->mb_y >= -16);\
assert((bx>>1) + 16*s->mb_x <= s->width);\
assert((by>>1) + 16*s->mb_y <= s->height);\
\
hpel_put[0][fxy](s->me.scratchpad, (ref_y ) + (fx>>1) + (fy>>1)*(stride), stride, 16);\
hpel_avg[0][bxy](s->me.scratchpad, (ref_data[3]) + (bx>>1) + (by>>1)*(stride), stride, 16);\
}\
d = cmp_func(s, s->me.scratchpad, src_y, stride, 16);\
}else\
d= 256*256*256*32;
#define CMP_HPEL(d, dx, dy, x, y, size)\
CMP_DIRECT(d, dx, dy, x, y, size, cmp_sub)
#define CMP(d, x, y, size)\
CMP_DIRECT(d, 0, 0, x, y, size, cmp)
#include "motion_est_template.c"
#undef RENAME
#undef CMP
#undef CMP_HPEL
#undef CMP_QPEL
#undef INIT
#undef CMP_DIRECT
/* SIMPLE DIRECT QPEL */
#define RENAME(a) simple_direct_qpel_ ## a
#define CMP_DIRECT(d, dx, dy, x, y, size, cmp_func)\
if((x) >= xmin && 4*(x) + (dx) <= 4*xmax && (y) >= ymin && 4*(y) + (dy) <= 4*ymax){\
const int qx= 4*(x) + (dx);\
const int qy= 4*(y) + (dy);\
if(s->mv_type==MV_TYPE_8X8){\
int i;\
for(i=0; i<4; i++){\
int fx = s->me.direct_basis_mv[i][0] + qx;\
int fy = s->me.direct_basis_mv[i][1] + qy;\
int bx = qx ? fx - s->me.co_located_mv[i][0] : s->me.co_located_mv[i][0]*(time_pb - time_pp)/time_pp + (i &1)*16;\
int by = qy ? fy - s->me.co_located_mv[i][1] : s->me.co_located_mv[i][1]*(time_pb - time_pp)/time_pp + (i>>1)*16;\
int fxy= (fx&3) + 4*(fy&3);\
int bxy= (bx&3) + 4*(by&3);\
\
uint8_t *dst= s->me.scratchpad + 8*(i&1) + 8*stride*(i>>1);\
qpel_put[1][fxy](dst, (ref_y ) + (fx>>2) + (fy>>2)*(stride), stride);\
qpel_avg[1][bxy](dst, (ref_data[3]) + (bx>>2) + (by>>2)*(stride), stride);\
}\
}else{\
int fx = s->me.direct_basis_mv[0][0] + qx;\
int fy = s->me.direct_basis_mv[0][1] + qy;\
int bx = qx ? fx - s->me.co_located_mv[0][0] : s->me.co_located_mv[0][0]*(time_pb - time_pp)/time_pp;\
int by = qy ? fy - s->me.co_located_mv[0][1] : s->me.co_located_mv[0][1]*(time_pb - time_pp)/time_pp;\
int fxy= (fx&3) + 4*(fy&3);\
int bxy= (bx&3) + 4*(by&3);\
\
qpel_put[1][fxy](s->me.scratchpad , (ref_y ) + (fx>>2) + (fy>>2)*(stride) , stride);\
qpel_put[1][fxy](s->me.scratchpad + 8 , (ref_y ) + (fx>>2) + (fy>>2)*(stride) + 8 , stride);\
qpel_put[1][fxy](s->me.scratchpad + 8*stride, (ref_y ) + (fx>>2) + (fy>>2)*(stride) + 8*stride, stride);\
qpel_put[1][fxy](s->me.scratchpad + 8 + 8*stride, (ref_y ) + (fx>>2) + (fy>>2)*(stride) + 8 + 8*stride, stride);\
qpel_avg[1][bxy](s->me.scratchpad , (ref_data[3]) + (bx>>2) + (by>>2)*(stride) , stride);\
qpel_avg[1][bxy](s->me.scratchpad + 8 , (ref_data[3]) + (bx>>2) + (by>>2)*(stride) + 8 , stride);\
qpel_avg[1][bxy](s->me.scratchpad + 8*stride, (ref_data[3]) + (bx>>2) + (by>>2)*(stride) + 8*stride, stride);\
qpel_avg[1][bxy](s->me.scratchpad + 8 + 8*stride, (ref_data[3]) + (bx>>2) + (by>>2)*(stride) + 8 + 8*stride, stride);\
}\
d = cmp_func(s, s->me.scratchpad, src_y, stride, 16);\
}else\
d= 256*256*256*32;
#define CMP_QPEL(d, dx, dy, x, y, size)\
CMP_DIRECT(d, dx, dy, x, y, size, cmp_sub)
#define CMP(d, x, y, size)\
CMP_DIRECT(d, 0, 0, x, y, size, cmp)
#include "motion_est_template.c"
#undef RENAME
#undef CMP
#undef CMP_HPEL
#undef CMP_QPEL
#undef INIT
#undef CMP__DIRECT
static inline int get_penalty_factor(MpegEncContext *s, int type){
switch(type&0xFF){
default:
case FF_CMP_SAD:
return s->qscale*2;
case FF_CMP_DCT:
return s->qscale*3;
case FF_CMP_SATD:
return s->qscale*6;
case FF_CMP_SSE:
return s->qscale*s->qscale*2;
case FF_CMP_BIT:
return 1;
case FF_CMP_RD:
case FF_CMP_PSNR:
return (s->qscale*s->qscale*185 + 64)>>7;
}
}
void ff_init_me(MpegEncContext *s){
ff_set_cmp(&s->dsp, s->dsp.me_pre_cmp, s->avctx->me_pre_cmp);
ff_set_cmp(&s->dsp, s->dsp.me_cmp, s->avctx->me_cmp);
ff_set_cmp(&s->dsp, s->dsp.me_sub_cmp, s->avctx->me_sub_cmp);
ff_set_cmp(&s->dsp, s->dsp.mb_cmp, s->avctx->mb_cmp);
if(s->flags&CODEC_FLAG_QPEL){
if(s->avctx->me_sub_cmp&FF_CMP_CHROMA)
s->me.sub_motion_search= simple_chroma_qpel_motion_search;
else
s->me.sub_motion_search= simple_qpel_motion_search;
}else{
if(s->avctx->me_sub_cmp&FF_CMP_CHROMA)
s->me.sub_motion_search= simple_chroma_hpel_motion_search;
else if( s->avctx->me_sub_cmp == FF_CMP_SAD
&& s->avctx-> me_cmp == FF_CMP_SAD
&& s->avctx-> mb_cmp == FF_CMP_SAD)
s->me.sub_motion_search= sad_hpel_motion_search; // 2050 vs. 2450 cycles
else
s->me.sub_motion_search= simple_hpel_motion_search;
}
if(s->avctx->me_cmp&FF_CMP_CHROMA){
s->me.motion_search[0]= simple_chroma_epzs_motion_search;
s->me.motion_search[1]= simple_chroma_epzs_motion_search4;
s->me.motion_search[4]= simple_chroma_epzs_motion_search2;
}else{
s->me.motion_search[0]= simple_epzs_motion_search;
s->me.motion_search[1]= simple_epzs_motion_search4;
s->me.motion_search[4]= simple_epzs_motion_search2;
}
if(s->avctx->me_pre_cmp&FF_CMP_CHROMA){
s->me.pre_motion_search= simple_chroma_epzs_motion_search;
}else{
s->me.pre_motion_search= simple_epzs_motion_search;
}
if(s->flags&CODEC_FLAG_QPEL){
if(s->avctx->mb_cmp&FF_CMP_CHROMA)
s->me.get_mb_score= simple_chroma_qpel_get_mb_score;
else
s->me.get_mb_score= simple_qpel_get_mb_score;
}else{
if(s->avctx->mb_cmp&FF_CMP_CHROMA)
s->me.get_mb_score= simple_chroma_hpel_get_mb_score;
else
s->me.get_mb_score= simple_hpel_get_mb_score;
}
}
#if 0
static int pix_dev(uint8_t * pix, int line_size, int mean)
{
int s, i, j;
s = 0;
for (i = 0; i < 16; i++) {
for (j = 0; j < 16; j += 8) {
s += ABS(pix[0]-mean);
s += ABS(pix[1]-mean);
s += ABS(pix[2]-mean);
s += ABS(pix[3]-mean);
s += ABS(pix[4]-mean);
s += ABS(pix[5]-mean);
s += ABS(pix[6]-mean);
s += ABS(pix[7]-mean);
pix += 8;
}
pix += line_size - 16;
}
return s;
}
#endif
static inline void no_motion_search(MpegEncContext * s,
int *mx_ptr, int *my_ptr)
{
*mx_ptr = 16 * s->mb_x;
*my_ptr = 16 * s->mb_y;
}
static int full_motion_search(MpegEncContext * s,
int *mx_ptr, int *my_ptr, int range,
int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
{
int x1, y1, x2, y2, xx, yy, x, y;
int mx, my, dmin, d;
uint8_t *pix;
xx = 16 * s->mb_x;
yy = 16 * s->mb_y;
x1 = xx - range + 1; /* we loose one pixel to avoid boundary pb with half pixel pred */
if (x1 < xmin)
x1 = xmin;
x2 = xx + range - 1;
if (x2 > xmax)
x2 = xmax;
y1 = yy - range + 1;
if (y1 < ymin)
y1 = ymin;
y2 = yy + range - 1;
if (y2 > ymax)
y2 = ymax;
pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
dmin = 0x7fffffff;
mx = 0;
my = 0;
for (y = y1; y <= y2; y++) {
for (x = x1; x <= x2; x++) {
d = s->dsp.pix_abs[0][0](NULL, pix, ref_picture + (y * s->linesize) + x,
s->linesize, 16);
if (d < dmin ||
(d == dmin &&
(abs(x - xx) + abs(y - yy)) <
(abs(mx - xx) + abs(my - yy)))) {
dmin = d;
mx = x;
my = y;
}
}
}
*mx_ptr = mx;
*my_ptr = my;
#if 0
if (*mx_ptr < -(2 * range) || *mx_ptr >= (2 * range) ||
*my_ptr < -(2 * range) || *my_ptr >= (2 * range)) {
fprintf(stderr, "error %d %d\n", *mx_ptr, *my_ptr);
}
#endif
return dmin;
}
static int log_motion_search(MpegEncContext * s,
int *mx_ptr, int *my_ptr, int range,
int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
{
int x1, y1, x2, y2, xx, yy, x, y;
int mx, my, dmin, d;
uint8_t *pix;
xx = s->mb_x << 4;
yy = s->mb_y << 4;
/* Left limit */
x1 = xx - range;
if (x1 < xmin)
x1 = xmin;
/* Right limit */
x2 = xx + range;
if (x2 > xmax)
x2 = xmax;
/* Upper limit */
y1 = yy - range;
if (y1 < ymin)
y1 = ymin;
/* Lower limit */
y2 = yy + range;
if (y2 > ymax)
y2 = ymax;
pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
dmin = 0x7fffffff;
mx = 0;
my = 0;
do {
for (y = y1; y <= y2; y += range) {
for (x = x1; x <= x2; x += range) {
d = s->dsp.pix_abs[0][0](NULL, pix, ref_picture + (y * s->linesize) + x, s->linesize, 16);
if (d < dmin || (d == dmin && (abs(x - xx) + abs(y - yy)) < (abs(mx - xx) + abs(my - yy)))) {
dmin = d;
mx = x;
my = y;
}
}
}
range = range >> 1;
x1 = mx - range;
if (x1 < xmin)
x1 = xmin;
x2 = mx + range;
if (x2 > xmax)
x2 = xmax;
y1 = my - range;
if (y1 < ymin)
y1 = ymin;
y2 = my + range;
if (y2 > ymax)
y2 = ymax;
} while (range >= 1);
#ifdef DEBUG
fprintf(stderr, "log - MX: %d\tMY: %d\n", mx, my);
#endif
*mx_ptr = mx;
*my_ptr = my;
return dmin;
}
static int phods_motion_search(MpegEncContext * s,
int *mx_ptr, int *my_ptr, int range,
int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
{
int x1, y1, x2, y2, xx, yy, x, y, lastx, d;
int mx, my, dminx, dminy;
uint8_t *pix;
xx = s->mb_x << 4;
yy = s->mb_y << 4;
/* Left limit */
x1 = xx - range;
if (x1 < xmin)
x1 = xmin;
/* Right limit */
x2 = xx + range;
if (x2 > xmax)
x2 = xmax;
/* Upper limit */
y1 = yy - range;
if (y1 < ymin)
y1 = ymin;
/* Lower limit */
y2 = yy + range;
if (y2 > ymax)
y2 = ymax;
pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
mx = 0;
my = 0;
x = xx;
y = yy;
do {
dminx = 0x7fffffff;
dminy = 0x7fffffff;
lastx = x;
for (x = x1; x <= x2; x += range) {
d = s->dsp.pix_abs[0][0](NULL, pix, ref_picture + (y * s->linesize) + x, s->linesize, 16);
if (d < dminx || (d == dminx && (abs(x - xx) + abs(y - yy)) < (abs(mx - xx) + abs(my - yy)))) {
dminx = d;
mx = x;
}
}
x = lastx;
for (y = y1; y <= y2; y += range) {
d = s->dsp.pix_abs[0][0](NULL, pix, ref_picture + (y * s->linesize) + x, s->linesize, 16);
if (d < dminy || (d == dminy && (abs(x - xx) + abs(y - yy)) < (abs(mx - xx) + abs(my - yy)))) {
dminy = d;
my = y;
}
}
range = range >> 1;
x = mx;
y = my;
x1 = mx - range;
if (x1 < xmin)
x1 = xmin;
x2 = mx + range;
if (x2 > xmax)
x2 = xmax;
y1 = my - range;
if (y1 < ymin)
y1 = ymin;
y2 = my + range;
if (y2 > ymax)
y2 = ymax;
} while (range >= 1);
#ifdef DEBUG
fprintf(stderr, "phods - MX: %d\tMY: %d\n", mx, my);
#endif
/* half pixel search */
*mx_ptr = mx;
*my_ptr = my;
return dminy;
}
#define Z_THRESHOLD 256
#define CHECK_SAD_HALF_MV(suffix, x, y) \
{\
d= s->dsp.pix_abs[size][(x?1:0)+(y?2:0)](NULL, pix, ptr+((x)>>1), stride, h);\
d += (mv_penalty[pen_x + x] + mv_penalty[pen_y + y])*penalty_factor;\
COPY3_IF_LT(dminh, d, dx, x, dy, y)\
}
static inline int sad_hpel_motion_search(MpegEncContext * s,
int *mx_ptr, int *my_ptr, int dmin,
int pred_x, int pred_y, uint8_t *src_data[3],
uint8_t *ref_data[6], int stride, int uvstride,
int size, int h, uint8_t * const mv_penalty)
{
uint32_t *score_map= s->me.score_map;
const int penalty_factor= s->me.sub_penalty_factor;
int mx, my, dminh;
uint8_t *pix, *ptr;
const int xmin= s->me.xmin;
const int ymin= s->me.ymin;
const int xmax= s->me.xmax;
const int ymax= s->me.ymax;
if(s->me.skip){
// printf("S");
*mx_ptr = 0;
*my_ptr = 0;
return dmin;
}
// printf("N");
pix = src_data[0];
mx = *mx_ptr;
my = *my_ptr;
ptr = ref_data[0] + (my * stride) + mx;
dminh = dmin;
if (mx > xmin && mx < xmax &&
my > ymin && my < ymax) {
int dx=0, dy=0;
int d, pen_x, pen_y;
const int index= (my<<ME_MAP_SHIFT) + mx;
const int t= score_map[(index-(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)];
const int l= score_map[(index- 1 )&(ME_MAP_SIZE-1)];
const int r= score_map[(index+ 1 )&(ME_MAP_SIZE-1)];
const int b= score_map[(index+(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)];
mx<<=1;
my<<=1;
pen_x= pred_x + mx;
pen_y= pred_y + my;
ptr-= stride;
if(t<=b){
CHECK_SAD_HALF_MV(y2 , 0, -1)
if(l<=r){
CHECK_SAD_HALF_MV(xy2, -1, -1)
if(t+r<=b+l){
CHECK_SAD_HALF_MV(xy2, +1, -1)
ptr+= stride;
}else{
ptr+= stride;
CHECK_SAD_HALF_MV(xy2, -1, +1)
}
CHECK_SAD_HALF_MV(x2 , -1, 0)
}else{
CHECK_SAD_HALF_MV(xy2, +1, -1)
if(t+l<=b+r){
CHECK_SAD_HALF_MV(xy2, -1, -1)
ptr+= stride;
}else{
ptr+= stride;
CHECK_SAD_HALF_MV(xy2, +1, +1)
}
CHECK_SAD_HALF_MV(x2 , +1, 0)
}
}else{
if(l<=r){
if(t+l<=b+r){
CHECK_SAD_HALF_MV(xy2, -1, -1)
ptr+= stride;
}else{
ptr+= stride;
CHECK_SAD_HALF_MV(xy2, +1, +1)
}
CHECK_SAD_HALF_MV(x2 , -1, 0)
CHECK_SAD_HALF_MV(xy2, -1, +1)
}else{
if(t+r<=b+l){
CHECK_SAD_HALF_MV(xy2, +1, -1)
ptr+= stride;
}else{
ptr+= stride;
CHECK_SAD_HALF_MV(xy2, -1, +1)
}
CHECK_SAD_HALF_MV(x2 , +1, 0)
CHECK_SAD_HALF_MV(xy2, +1, +1)
}
CHECK_SAD_HALF_MV(y2 , 0, +1)
}
mx+=dx;
my+=dy;
}else{
mx<<=1;
my<<=1;
}
*mx_ptr = mx;
*my_ptr = my;
return dminh;
}
static inline void set_p_mv_tables(MpegEncContext * s, int mx, int my, int mv4)
{
const int xy= s->mb_x + s->mb_y*s->mb_stride;
s->p_mv_table[xy][0] = mx;
s->p_mv_table[xy][1] = my;
/* has allready been set to the 4 MV if 4MV is done */
if(mv4){
int mot_xy= s->block_index[0];
s->current_picture.motion_val[0][mot_xy ][0]= mx;
s->current_picture.motion_val[0][mot_xy ][1]= my;
s->current_picture.motion_val[0][mot_xy+1][0]= mx;
s->current_picture.motion_val[0][mot_xy+1][1]= my;
mot_xy += s->block_wrap[0];
s->current_picture.motion_val[0][mot_xy ][0]= mx;
s->current_picture.motion_val[0][mot_xy ][1]= my;
s->current_picture.motion_val[0][mot_xy+1][0]= mx;
s->current_picture.motion_val[0][mot_xy+1][1]= my;
}
}
/**
* get fullpel ME search limits.
*/
static inline void get_limits(MpegEncContext *s, int x, int y)
{
/*
if(s->avctx->me_range) s->me.range= s->avctx->me_range >> 1;
else s->me.range= 16;
*/
if (s->unrestricted_mv) {
s->me.xmin = - x - 16;
s->me.ymin = - y - 16;
s->me.xmax = - x + s->mb_width *16;
s->me.ymax = - y + s->mb_height*16;
} else {
s->me.xmin = - x;
s->me.ymin = - y;
s->me.xmax = - x + s->mb_width *16 - 16;
s->me.ymax = - y + s->mb_height*16 - 16;
}
}
static inline int h263_mv4_search(MpegEncContext *s, int mx, int my, int shift)
{
const int size= 1;
const int h=8;
int block;
int P[10][2];
int dmin_sum=0, mx4_sum=0, my4_sum=0;
uint8_t * const mv_penalty= s->me.mv_penalty[s->f_code] + MAX_MV;
int same=1;
const int stride= s->linesize;
const int uvstride= s->uvlinesize;
for(block=0; block<4; block++){
int mx4, my4;
int pred_x4, pred_y4;
int dmin4;
static const int off[4]= {2, 1, 1, -1};
const int mot_stride = s->block_wrap[0];
const int mot_xy = s->block_index[block];
const int block_x= (block&1);
const int block_y= (block>>1);
uint8_t *src_data[3]= {
s->new_picture.data[0] + 8*(2*s->mb_x + block_x) + stride *8*(2*s->mb_y + block_y), //FIXME chroma?
s->new_picture.data[1] + 4*(2*s->mb_x + block_x) + uvstride*4*(2*s->mb_y + block_y),
s->new_picture.data[2] + 4*(2*s->mb_x + block_x) + uvstride*4*(2*s->mb_y + block_y)
};
uint8_t *ref_data[3]= {
s->last_picture.data[0] + 8*(2*s->mb_x + block_x) + stride *8*(2*s->mb_y + block_y), //FIXME chroma?
s->last_picture.data[1] + 4*(2*s->mb_x + block_x) + uvstride*4*(2*s->mb_y + block_y),
s->last_picture.data[2] + 4*(2*s->mb_x + block_x) + uvstride*4*(2*s->mb_y + block_y)
};
P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0];
P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1];
if(P_LEFT[0] > (s->me.xmax<<shift)) P_LEFT[0] = (s->me.xmax<<shift);
/* special case for first line */
if (s->first_slice_line && block<2) {
pred_x4= P_LEFT[0];
pred_y4= P_LEFT[1];
} else {
P_TOP[0] = s->current_picture.motion_val[0][mot_xy - mot_stride ][0];
P_TOP[1] = s->current_picture.motion_val[0][mot_xy - mot_stride ][1];
P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][0];
P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][1];
if(P_TOP[1] > (s->me.ymax<<shift)) P_TOP[1] = (s->me.ymax<<shift);
if(P_TOPRIGHT[0] < (s->me.xmin<<shift)) P_TOPRIGHT[0]= (s->me.xmin<<shift);
if(P_TOPRIGHT[0] > (s->me.xmax<<shift)) P_TOPRIGHT[0]= (s->me.xmax<<shift);
if(P_TOPRIGHT[1] > (s->me.ymax<<shift)) P_TOPRIGHT[1]= (s->me.ymax<<shift);
P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
// if(s->out_format == FMT_H263){
pred_x4 = P_MEDIAN[0];
pred_y4 = P_MEDIAN[1];
#if 0
}else { /* mpeg1 at least */
pred_x4= P_LEFT[0];
pred_y4= P_LEFT[1];
}
#endif
}
P_MV1[0]= mx;
P_MV1[1]= my;
dmin4 = s->me.motion_search[1](s, &mx4, &my4, P, pred_x4, pred_y4,
src_data, ref_data, stride, uvstride, s->p_mv_table, (1<<16)>>shift, mv_penalty);
dmin4= s->me.sub_motion_search(s, &mx4, &my4, dmin4,
pred_x4, pred_y4, src_data, ref_data, stride, uvstride, size, h, mv_penalty);
if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]
&& s->avctx->mb_decision == FF_MB_DECISION_SIMPLE){
int dxy;
const int offset= ((block&1) + (block>>1)*stride)*8;
uint8_t *dest_y = s->me.scratchpad + offset;
if(s->quarter_sample){
uint8_t *ref= ref_data[0] + (mx4>>2) + (my4>>2)*stride;
dxy = ((my4 & 3) << 2) | (mx4 & 3);
if(s->no_rounding)
s->dsp.put_no_rnd_qpel_pixels_tab[1][dxy](dest_y , ref , stride);
else
s->dsp.put_qpel_pixels_tab [1][dxy](dest_y , ref , stride);
}else{
uint8_t *ref= ref_data[0] + (mx4>>1) + (my4>>1)*stride;
dxy = ((my4 & 1) << 1) | (mx4 & 1);
if(s->no_rounding)
s->dsp.put_no_rnd_pixels_tab[1][dxy](dest_y , ref , stride, h);
else
s->dsp.put_pixels_tab [1][dxy](dest_y , ref , stride, h);
}
dmin_sum+= (mv_penalty[mx4-pred_x4] + mv_penalty[my4-pred_y4])*s->me.mb_penalty_factor;
}else
dmin_sum+= dmin4;
if(s->quarter_sample){
mx4_sum+= mx4/2;
my4_sum+= my4/2;
}else{
mx4_sum+= mx4;
my4_sum+= my4;
}
s->current_picture.motion_val[0][ s->block_index[block] ][0]= mx4;
s->current_picture.motion_val[0][ s->block_index[block] ][1]= my4;
if(mx4 != mx || my4 != my) same=0;
}
if(same)
return INT_MAX;
if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
dmin_sum += s->dsp.mb_cmp[0](s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*16*stride, s->me.scratchpad, stride, 16);
}
if(s->avctx->mb_cmp&FF_CMP_CHROMA){
int dxy;
int mx, my;
int offset;
mx= ff_h263_round_chroma(mx4_sum);
my= ff_h263_round_chroma(my4_sum);
dxy = ((my & 1) << 1) | (mx & 1);
offset= (s->mb_x*8 + (mx>>1)) + (s->mb_y*8 + (my>>1))*s->uvlinesize;
if(s->no_rounding){
s->dsp.put_no_rnd_pixels_tab[1][dxy](s->me.scratchpad , s->last_picture.data[1] + offset, s->uvlinesize, 8);
s->dsp.put_no_rnd_pixels_tab[1][dxy](s->me.scratchpad+8 , s->last_picture.data[2] + offset, s->uvlinesize, 8);
}else{
s->dsp.put_pixels_tab [1][dxy](s->me.scratchpad , s->last_picture.data[1] + offset, s->uvlinesize, 8);
s->dsp.put_pixels_tab [1][dxy](s->me.scratchpad+8 , s->last_picture.data[2] + offset, s->uvlinesize, 8);
}
dmin_sum += s->dsp.mb_cmp[1](s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*8*s->uvlinesize, s->me.scratchpad , s->uvlinesize, 8);
dmin_sum += s->dsp.mb_cmp[1](s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*8*s->uvlinesize, s->me.scratchpad+8, s->uvlinesize, 8);
}
switch(s->avctx->mb_cmp&0xFF){
/*case FF_CMP_SSE:
return dmin_sum+ 32*s->qscale*s->qscale;*/
case FF_CMP_RD:
return dmin_sum;
default:
return dmin_sum+ 11*s->me.mb_penalty_factor;
}
}
static int interlaced_search(MpegEncContext *s, uint8_t *frame_src_data[3], uint8_t *frame_ref_data[3],
int16_t (*mv_tables[2][2])[2], uint8_t *field_select_tables[2], int f_code, int mx, int my)
{
const int size=0;
const int h=8;
int block;
int P[10][2];
uint8_t * const mv_penalty= s->me.mv_penalty[f_code] + MAX_MV;
int same=1;
const int stride= 2*s->linesize;
const int uvstride= 2*s->uvlinesize;
int dmin_sum= 0;
const int mot_stride= s->mb_stride;
const int xy= s->mb_x + s->mb_y*mot_stride;
s->me.ymin>>=1;
s->me.ymax>>=1;
for(block=0; block<2; block++){
int field_select;
int best_dmin= INT_MAX;
int best_field= -1;
uint8_t *src_data[3]= {
frame_src_data[0] + s-> linesize*block,
frame_src_data[1] + s->uvlinesize*block,
frame_src_data[2] + s->uvlinesize*block
};
for(field_select=0; field_select<2; field_select++){
int dmin, mx_i, my_i, pred_x, pred_y;
uint8_t *ref_data[3]= {
frame_ref_data[0] + s-> linesize*field_select,
frame_ref_data[1] + s->uvlinesize*field_select,
frame_ref_data[2] + s->uvlinesize*field_select
};
int16_t (*mv_table)[2]= mv_tables[block][field_select];
P_LEFT[0] = mv_table[xy - 1][0];
P_LEFT[1] = mv_table[xy - 1][1];
if(P_LEFT[0] > (s->me.xmax<<1)) P_LEFT[0] = (s->me.xmax<<1);
pred_x= P_LEFT[0];
pred_y= P_LEFT[1];
if(!s->first_slice_line){
P_TOP[0] = mv_table[xy - mot_stride][0];
P_TOP[1] = mv_table[xy - mot_stride][1];
P_TOPRIGHT[0] = mv_table[xy - mot_stride + 1][0];
P_TOPRIGHT[1] = mv_table[xy - mot_stride + 1][1];
if(P_TOP[1] > (s->me.ymax<<1)) P_TOP[1] = (s->me.ymax<<1);
if(P_TOPRIGHT[0] < (s->me.xmin<<1)) P_TOPRIGHT[0]= (s->me.xmin<<1);
if(P_TOPRIGHT[0] > (s->me.xmax<<1)) P_TOPRIGHT[0]= (s->me.xmax<<1);
if(P_TOPRIGHT[1] > (s->me.ymax<<1)) P_TOPRIGHT[1]= (s->me.ymax<<1);
P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
}
P_MV1[0]= mx; //FIXME not correct if block != field_select
P_MV1[1]= my / 2;
dmin = s->me.motion_search[4](s, &mx_i, &my_i, P, pred_x, pred_y,
src_data, ref_data, stride, uvstride, mv_table, (1<<16)>>1, mv_penalty);
dmin= s->me.sub_motion_search(s, &mx_i, &my_i, dmin,
pred_x, pred_y, src_data, ref_data, stride, uvstride, size, h, mv_penalty);
mv_table[xy][0]= mx_i;
mv_table[xy][1]= my_i;
if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]
&& s->avctx->mb_decision == FF_MB_DECISION_SIMPLE){
int dxy;
//FIXME chroma ME
uint8_t *ref= ref_data[0] + (mx_i>>1) + (my_i>>1)*stride;
dxy = ((my_i & 1) << 1) | (mx_i & 1);
if(s->no_rounding){
s->dsp.put_no_rnd_pixels_tab[size][dxy](s->me.scratchpad, ref , stride, h);
}else{
s->dsp.put_pixels_tab [size][dxy](s->me.scratchpad, ref , stride, h);
}
dmin= s->dsp.mb_cmp[size](s, src_data[0], s->me.scratchpad, stride, h);
dmin+= (mv_penalty[mx_i-pred_x] + mv_penalty[my_i-pred_y] + 1)*s->me.mb_penalty_factor;
}else
dmin+= s->me.mb_penalty_factor; //field_select bits
dmin += field_select != block; //slightly prefer same field
if(dmin < best_dmin){
best_dmin= dmin;
best_field= field_select;
}
}
{
int16_t (*mv_table)[2]= mv_tables[block][best_field];
if(mv_table[xy][0] != mx) same=0; //FIXME check if these checks work and are any good at all
if(mv_table[xy][1]&1) same=0;
if(mv_table[xy][1]*2 != my) same=0;
if(best_field != block) same=0;
}
field_select_tables[block][xy]= best_field;
dmin_sum += best_dmin;
}
s->me.ymin<<=1;
s->me.ymax<<=1;
if(same)
return INT_MAX;
switch(s->avctx->mb_cmp&0xFF){
/*case FF_CMP_SSE:
return dmin_sum+ 32*s->qscale*s->qscale;*/
case FF_CMP_RD:
return dmin_sum;
default:
return dmin_sum+ 11*s->me.mb_penalty_factor;
}
}
void ff_estimate_p_frame_motion(MpegEncContext * s,
int mb_x, int mb_y)
{
uint8_t *pix, *ppix;
int sum, varc, vard, mx, my, dmin, xx, yy;
int pred_x=0, pred_y=0;
int P[10][2];
const int shift= 1+s->quarter_sample;
int mb_type=0;
uint8_t *ref_picture= s->last_picture.data[0];
Picture * const pic= &s->current_picture;
uint8_t * const mv_penalty= s->me.mv_penalty[s->f_code] + MAX_MV;
const int stride= s->linesize;
const int uvstride= s->uvlinesize;
uint8_t *src_data[3]= {
s->new_picture.data[0] + 16*(mb_x + stride*mb_y),
s->new_picture.data[1] + 8*(mb_x + uvstride*mb_y),
s->new_picture.data[2] + 8*(mb_x + uvstride*mb_y)
};
uint8_t *ref_data[3]= {
s->last_picture.data[0] + 16*(mb_x + stride*mb_y),
s->last_picture.data[1] + 8*(mb_x + uvstride*mb_y),
s->last_picture.data[2] + 8*(mb_x + uvstride*mb_y)
};
assert(s->quarter_sample==0 || s->quarter_sample==1);
s->me.penalty_factor = get_penalty_factor(s, s->avctx->me_cmp);
s->me.sub_penalty_factor= get_penalty_factor(s, s->avctx->me_sub_cmp);
s->me.mb_penalty_factor = get_penalty_factor(s, s->avctx->mb_cmp);
get_limits(s, 16*mb_x, 16*mb_y);
s->me.skip=0;
switch(s->me_method) {
case ME_ZERO:
default:
no_motion_search(s, &mx, &my);
mx-= mb_x*16;
my-= mb_y*16;
dmin = 0;
break;
#if 0
case ME_FULL:
dmin = full_motion_search(s, &mx, &my, range, ref_picture);
mx-= mb_x*16;
my-= mb_y*16;
break;
case ME_LOG:
dmin = log_motion_search(s, &mx, &my, range / 2, ref_picture);
mx-= mb_x*16;
my-= mb_y*16;
break;
case ME_PHODS:
dmin = phods_motion_search(s, &mx, &my, range / 2, ref_picture);
mx-= mb_x*16;
my-= mb_y*16;
break;
#endif
case ME_X1:
case ME_EPZS:
{
const int mot_stride = s->block_wrap[0];
const int mot_xy = s->block_index[0];
P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0];
P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1];
if(P_LEFT[0] > (s->me.xmax<<shift)) P_LEFT[0] = (s->me.xmax<<shift);
if(!s->first_slice_line) {
P_TOP[0] = s->current_picture.motion_val[0][mot_xy - mot_stride ][0];
P_TOP[1] = s->current_picture.motion_val[0][mot_xy - mot_stride ][1];
P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][0];
P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][1];
if(P_TOP[1] > (s->me.ymax<<shift)) P_TOP[1] = (s->me.ymax<<shift);
if(P_TOPRIGHT[0] < (s->me.xmin<<shift)) P_TOPRIGHT[0]= (s->me.xmin<<shift);
if(P_TOPRIGHT[1] > (s->me.ymax<<shift)) P_TOPRIGHT[1]= (s->me.ymax<<shift);
P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
if(s->out_format == FMT_H263){
pred_x = P_MEDIAN[0];
pred_y = P_MEDIAN[1];
}else { /* mpeg1 at least */
pred_x= P_LEFT[0];
pred_y= P_LEFT[1];
}
}else{
pred_x= P_LEFT[0];
pred_y= P_LEFT[1];
}
}
dmin = s->me.motion_search[0](s, &mx, &my, P, pred_x, pred_y,
src_data, ref_data, stride, uvstride, s->p_mv_table, (1<<16)>>shift, mv_penalty);
break;
}
/* intra / predictive decision */
xx = mb_x * 16;
yy = mb_y * 16;
pix = src_data[0];
/* At this point (mx,my) are full-pell and the relative displacement */
ppix = ref_data[0] + (my * s->linesize) + mx;
sum = s->dsp.pix_sum(pix, s->linesize);
varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8;
vard = (s->dsp.sse[0](NULL, pix, ppix, s->linesize, 16)+128)>>8;
//printf("%d %d %d %X %X %X\n", s->mb_width, mb_x, mb_y,(int)s, (int)s->mb_var, (int)s->mc_mb_var); fflush(stdout);
pic->mb_var [s->mb_stride * mb_y + mb_x] = varc;
pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = vard;
pic->mb_mean [s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
// pic->mb_cmp_score[s->mb_stride * mb_y + mb_x] = dmin;
s->mb_var_sum_temp += varc;
s->mc_mb_var_sum_temp += vard;
//printf("E%d %d %d %X %X %X\n", s->mb_width, mb_x, mb_y,(int)s, (int)s->mb_var, (int)s->mc_mb_var); fflush(stdout);
#if 0
printf("varc=%4d avg_var=%4d (sum=%4d) vard=%4d mx=%2d my=%2d\n",
varc, s->avg_mb_var, sum, vard, mx - xx, my - yy);
#endif
if(s->avctx->mb_decision > FF_MB_DECISION_SIMPLE){
if (vard <= 64 || vard < varc)
s->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
else
s->scene_change_score+= s->qscale;
if (vard*2 + 200 > varc)
mb_type|= CANDIDATE_MB_TYPE_INTRA;
if (varc*2 + 200 > vard){
mb_type|= CANDIDATE_MB_TYPE_INTER;
s->me.sub_motion_search(s, &mx, &my, dmin,
pred_x, pred_y, src_data, ref_data, stride, uvstride, 0, 16, mv_penalty);
if(s->flags&CODEC_FLAG_MV0)
if(mx || my)
mb_type |= CANDIDATE_MB_TYPE_SKIPED; //FIXME check difference
}else{
mx <<=shift;
my <<=shift;
}
if((s->flags&CODEC_FLAG_4MV)
&& !s->me.skip && varc>50 && vard>10){
if(h263_mv4_search(s, mx, my, shift) < INT_MAX)
mb_type|=CANDIDATE_MB_TYPE_INTER4V;
set_p_mv_tables(s, mx, my, 0);
}else
set_p_mv_tables(s, mx, my, 1);
if((s->flags&CODEC_FLAG_INTERLACED_ME)
&& !s->me.skip){ //FIXME varc/d checks
if(interlaced_search(s, src_data, ref_data, s->p_field_mv_table, s->p_field_select_table, s->f_code, mx, my) < INT_MAX)
mb_type |= CANDIDATE_MB_TYPE_INTER_I;
}
}else{
int intra_score, i;
mb_type= CANDIDATE_MB_TYPE_INTER;
dmin= s->me.sub_motion_search(s, &mx, &my, dmin,
pred_x, pred_y, src_data, ref_data, stride, uvstride, 0, 16, mv_penalty);
if(s->avctx->me_sub_cmp != s->avctx->mb_cmp && !s->me.skip)
dmin= s->me.get_mb_score(s, mx, my, pred_x, pred_y, src_data, ref_data, stride, uvstride, mv_penalty);
if((s->flags&CODEC_FLAG_4MV)
&& !s->me.skip && varc>50 && vard>10){
int dmin4= h263_mv4_search(s, mx, my, shift);
if(dmin4 < dmin){
mb_type= CANDIDATE_MB_TYPE_INTER4V;
dmin=dmin4;
}
}
if((s->flags&CODEC_FLAG_INTERLACED_ME)
&& !s->me.skip){ //FIXME varc/d checks
int dmin_i= interlaced_search(s, src_data, ref_data, s->p_field_mv_table, s->p_field_select_table, s->f_code, mx, my);
if(dmin_i < dmin){
mb_type = CANDIDATE_MB_TYPE_INTER_I;
dmin= dmin_i;
}
}
// pic->mb_cmp_score[s->mb_stride * mb_y + mb_x] = dmin;
set_p_mv_tables(s, mx, my, mb_type!=CANDIDATE_MB_TYPE_INTER4V);
/* get intra luma score */
if((s->avctx->mb_cmp&0xFF)==FF_CMP_SSE){
intra_score= (varc<<8) - 500; //FIXME dont scale it down so we dont have to fix it
}else{
int mean= (sum+128)>>8;
mean*= 0x01010101;
for(i=0; i<16; i++){
*(uint32_t*)(&s->me.scratchpad[i*s->linesize+ 0]) = mean;
*(uint32_t*)(&s->me.scratchpad[i*s->linesize+ 4]) = mean;
*(uint32_t*)(&s->me.scratchpad[i*s->linesize+ 8]) = mean;
*(uint32_t*)(&s->me.scratchpad[i*s->linesize+12]) = mean;
}
intra_score= s->dsp.mb_cmp[0](s, s->me.scratchpad, pix, s->linesize, 16);
}
#if 0 //FIXME
/* get chroma score */
if(s->avctx->mb_cmp&FF_CMP_CHROMA){
for(i=1; i<3; i++){
uint8_t *dest_c;
int mean;
if(s->out_format == FMT_H263){
mean= (s->dc_val[i][mb_x + (mb_y+1)*(s->mb_width+2)] + 4)>>3; //FIXME not exact but simple ;)
}else{
mean= (s->last_dc[i] + 4)>>3;
}
dest_c = s->new_picture.data[i] + (mb_y * 8 * (s->uvlinesize)) + mb_x * 8;
mean*= 0x01010101;
for(i=0; i<8; i++){
*(uint32_t*)(&s->me.scratchpad[i*s->uvlinesize+ 0]) = mean;
*(uint32_t*)(&s->me.scratchpad[i*s->uvlinesize+ 4]) = mean;
}
intra_score+= s->dsp.mb_cmp[1](s, s->me.scratchpad, dest_c, s->uvlinesize);
}
}
#endif
intra_score += s->me.mb_penalty_factor*16;
if(intra_score < dmin){
mb_type= CANDIDATE_MB_TYPE_INTRA;
s->current_picture.mb_type[mb_y*s->mb_stride + mb_x]= CANDIDATE_MB_TYPE_INTRA; //FIXME cleanup
}else
s->current_picture.mb_type[mb_y*s->mb_stride + mb_x]= 0;
if (vard <= 64 || vard < varc) { //FIXME
s->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
}else{
s->scene_change_score+= s->qscale;
}
}
s->mb_type[mb_y*s->mb_stride + mb_x]= mb_type;
}
int ff_pre_estimate_p_frame_motion(MpegEncContext * s,
int mb_x, int mb_y)
{
int mx, my, dmin;
int pred_x=0, pred_y=0;
int P[10][2];
const int shift= 1+s->quarter_sample;
uint8_t * const mv_penalty= s->me.mv_penalty[s->f_code] + MAX_MV;
const int xy= mb_x + mb_y*s->mb_stride;
const int stride= s->linesize;
const int uvstride= s->uvlinesize;
uint8_t *src_data[3]= {
s->new_picture.data[0] + 16*(mb_x + stride*mb_y),
s->new_picture.data[1] + 8*(mb_x + uvstride*mb_y),
s->new_picture.data[2] + 8*(mb_x + uvstride*mb_y)
};
uint8_t *ref_data[3]= {
s->last_picture.data[0] + 16*(mb_x + stride*mb_y),
s->last_picture.data[1] + 8*(mb_x + uvstride*mb_y),
s->last_picture.data[2] + 8*(mb_x + uvstride*mb_y)
};
assert(s->quarter_sample==0 || s->quarter_sample==1);
s->me.pre_penalty_factor = get_penalty_factor(s, s->avctx->me_pre_cmp);
get_limits(s, 16*mb_x, 16*mb_y);
s->me.skip=0;
P_LEFT[0] = s->p_mv_table[xy + 1][0];
P_LEFT[1] = s->p_mv_table[xy + 1][1];
if(P_LEFT[0] < (s->me.xmin<<shift)) P_LEFT[0] = (s->me.xmin<<shift);
/* special case for first line */
if (s->first_slice_line) {
pred_x= P_LEFT[0];
pred_y= P_LEFT[1];
P_TOP[0]= P_TOPRIGHT[0]= P_MEDIAN[0]=
P_TOP[1]= P_TOPRIGHT[1]= P_MEDIAN[1]= 0; //FIXME
} else {
P_TOP[0] = s->p_mv_table[xy + s->mb_stride ][0];
P_TOP[1] = s->p_mv_table[xy + s->mb_stride ][1];
P_TOPRIGHT[0] = s->p_mv_table[xy + s->mb_stride - 1][0];
P_TOPRIGHT[1] = s->p_mv_table[xy + s->mb_stride - 1][1];
if(P_TOP[1] < (s->me.ymin<<shift)) P_TOP[1] = (s->me.ymin<<shift);
if(P_TOPRIGHT[0] > (s->me.xmax<<shift)) P_TOPRIGHT[0]= (s->me.xmax<<shift);
if(P_TOPRIGHT[1] < (s->me.ymin<<shift)) P_TOPRIGHT[1]= (s->me.ymin<<shift);
P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
pred_x = P_MEDIAN[0];
pred_y = P_MEDIAN[1];
}
dmin = s->me.pre_motion_search(s, &mx, &my, P, pred_x, pred_y,
src_data, ref_data, stride, uvstride, s->p_mv_table, (1<<16)>>shift, mv_penalty);
s->p_mv_table[xy][0] = mx<<shift;
s->p_mv_table[xy][1] = my<<shift;
return dmin;
}
static int ff_estimate_motion_b(MpegEncContext * s,
int mb_x, int mb_y, int16_t (*mv_table)[2], uint8_t *src_data[3],
uint8_t *ref_data[3], int stride, int uvstride, int f_code)
{
int mx, my, dmin;
int pred_x=0, pred_y=0;
int P[10][2];
const int shift= 1+s->quarter_sample;
const int mot_stride = s->mb_stride;
const int mot_xy = mb_y*mot_stride + mb_x;
uint8_t * const ref_picture= ref_data[0] - 16*s->mb_x - 16*s->mb_y*s->linesize; //FIXME ugly
uint8_t * const mv_penalty= s->me.mv_penalty[f_code] + MAX_MV;
int mv_scale;
s->me.penalty_factor = get_penalty_factor(s, s->avctx->me_cmp);
s->me.sub_penalty_factor= get_penalty_factor(s, s->avctx->me_sub_cmp);
s->me.mb_penalty_factor = get_penalty_factor(s, s->avctx->mb_cmp);
get_limits(s, 16*mb_x, 16*mb_y);
switch(s->me_method) {
case ME_ZERO:
default:
no_motion_search(s, &mx, &my);
dmin = 0;
mx-= mb_x*16;
my-= mb_y*16;
break;
#if 0
case ME_FULL:
dmin = full_motion_search(s, &mx, &my, range, ref_picture);
mx-= mb_x*16;
my-= mb_y*16;
break;
case ME_LOG:
dmin = log_motion_search(s, &mx, &my, range / 2, ref_picture);
mx-= mb_x*16;
my-= mb_y*16;
break;
case ME_PHODS:
dmin = phods_motion_search(s, &mx, &my, range / 2, ref_picture);
mx-= mb_x*16;
my-= mb_y*16;
break;
#endif
case ME_X1:
case ME_EPZS:
{
P_LEFT[0] = mv_table[mot_xy - 1][0];
P_LEFT[1] = mv_table[mot_xy - 1][1];
if(P_LEFT[0] > (s->me.xmax<<shift)) P_LEFT[0] = (s->me.xmax<<shift);
/* special case for first line */
if (!s->first_slice_line) {
P_TOP[0] = mv_table[mot_xy - mot_stride ][0];
P_TOP[1] = mv_table[mot_xy - mot_stride ][1];
P_TOPRIGHT[0] = mv_table[mot_xy - mot_stride + 1 ][0];
P_TOPRIGHT[1] = mv_table[mot_xy - mot_stride + 1 ][1];
if(P_TOP[1] > (s->me.ymax<<shift)) P_TOP[1]= (s->me.ymax<<shift);
if(P_TOPRIGHT[0] < (s->me.xmin<<shift)) P_TOPRIGHT[0]= (s->me.xmin<<shift);
if(P_TOPRIGHT[1] > (s->me.ymax<<shift)) P_TOPRIGHT[1]= (s->me.ymax<<shift);
P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
}
pred_x= P_LEFT[0];
pred_y= P_LEFT[1];
}
if(mv_table == s->b_forw_mv_table){
mv_scale= (s->pb_time<<16) / (s->pp_time<<shift);
}else{
mv_scale= ((s->pb_time - s->pp_time)<<16) / (s->pp_time<<shift);
}
dmin = s->me.motion_search[0](s, &mx, &my, P, pred_x, pred_y,
src_data, ref_data, stride, uvstride, s->p_mv_table, mv_scale, mv_penalty);
break;
}
dmin= s->me.sub_motion_search(s, &mx, &my, dmin,
pred_x, pred_y, src_data, ref_data, stride, uvstride, 0, 16, mv_penalty);
if(s->avctx->me_sub_cmp != s->avctx->mb_cmp && !s->me.skip)
dmin= s->me.get_mb_score(s, mx, my, pred_x, pred_y, src_data, ref_data, stride, uvstride, mv_penalty);
//printf("%d %d %d %d//", s->mb_x, s->mb_y, mx, my);
// s->mb_type[mb_y*s->mb_width + mb_x]= mb_type;
mv_table[mot_xy][0]= mx;
mv_table[mot_xy][1]= my;
return dmin;
}
static inline int check_bidir_mv(MpegEncContext * s, uint8_t *src_data[3], uint8_t *ref_data[6],
int stride, int uvstride,
int motion_fx, int motion_fy,
int motion_bx, int motion_by,
int pred_fx, int pred_fy,
int pred_bx, int pred_by,
int size, int h)
{
//FIXME optimize?
//FIXME move into template?
//FIXME better f_code prediction (max mv & distance)
//FIXME pointers
uint8_t * const mv_penalty= s->me.mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame
uint8_t *dest_y = s->me.scratchpad;
uint8_t *ptr;
int dxy;
int src_x, src_y;
int fbmin;
if(s->quarter_sample){
dxy = ((motion_fy & 3) << 2) | (motion_fx & 3);
src_x = motion_fx >> 2;
src_y = motion_fy >> 2;
ptr = ref_data[0] + (src_y * stride) + src_x;
s->dsp.put_qpel_pixels_tab[0][dxy](dest_y , ptr , stride);
dxy = ((motion_by & 3) << 2) | (motion_bx & 3);
src_x = motion_bx >> 2;
src_y = motion_by >> 2;
ptr = ref_data[3] + (src_y * stride) + src_x;
s->dsp.avg_qpel_pixels_tab[size][dxy](dest_y , ptr , stride);
}else{
dxy = ((motion_fy & 1) << 1) | (motion_fx & 1);
src_x = motion_fx >> 1;
src_y = motion_fy >> 1;
ptr = ref_data[0] + (src_y * stride) + src_x;
s->dsp.put_pixels_tab[size][dxy](dest_y , ptr , stride, h);
dxy = ((motion_by & 1) << 1) | (motion_bx & 1);
src_x = motion_bx >> 1;
src_y = motion_by >> 1;
ptr = ref_data[3] + (src_y * stride) + src_x;
s->dsp.avg_pixels_tab[size][dxy](dest_y , ptr , stride, h);
}
fbmin = (mv_penalty[motion_fx-pred_fx] + mv_penalty[motion_fy-pred_fy])*s->me.mb_penalty_factor
+(mv_penalty[motion_bx-pred_bx] + mv_penalty[motion_by-pred_by])*s->me.mb_penalty_factor
+ s->dsp.mb_cmp[size](s, src_data[0], dest_y, stride, h); //FIXME new_pic
if(s->avctx->mb_cmp&FF_CMP_CHROMA){
}
//FIXME CHROMA !!!
return fbmin;
}
/* refine the bidir vectors in hq mode and return the score in both lq & hq mode*/
static inline int bidir_refine(MpegEncContext * s, uint8_t *src_data[3], uint8_t *ref_data[6],
int stride, int uvstride,
int mb_x, int mb_y)
{
const int mot_stride = s->mb_stride;
const int xy = mb_y *mot_stride + mb_x;
int fbmin;
int pred_fx= s->b_bidir_forw_mv_table[xy-1][0];
int pred_fy= s->b_bidir_forw_mv_table[xy-1][1];
int pred_bx= s->b_bidir_back_mv_table[xy-1][0];
int pred_by= s->b_bidir_back_mv_table[xy-1][1];
int motion_fx= s->b_bidir_forw_mv_table[xy][0]= s->b_forw_mv_table[xy][0];
int motion_fy= s->b_bidir_forw_mv_table[xy][1]= s->b_forw_mv_table[xy][1];
int motion_bx= s->b_bidir_back_mv_table[xy][0]= s->b_back_mv_table[xy][0];
int motion_by= s->b_bidir_back_mv_table[xy][1]= s->b_back_mv_table[xy][1];
//FIXME do refinement and add flag
fbmin= check_bidir_mv(s, src_data, ref_data, stride, uvstride,
motion_fx, motion_fy,
motion_bx, motion_by,
pred_fx, pred_fy,
pred_bx, pred_by,
0, 16);
return fbmin;
}
static inline int direct_search(MpegEncContext * s, uint8_t *src_data[3], uint8_t *ref_data[6],
int stride, int uvstride,
int mb_x, int mb_y)
{
int P[10][2];
const int mot_stride = s->mb_stride;
const int mot_xy = mb_y*mot_stride + mb_x;
const int shift= 1+s->quarter_sample;
int dmin, i;
const int time_pp= s->pp_time;
const int time_pb= s->pb_time;
int mx, my, xmin, xmax, ymin, ymax;
int16_t (*mv_table)[2]= s->b_direct_mv_table;
uint8_t * const mv_penalty= s->me.mv_penalty[1] + MAX_MV;
ymin= xmin=(-32)>>shift;
ymax= xmax= 31>>shift;
if(IS_8X8(s->next_picture.mb_type[mot_xy])){
s->mv_type= MV_TYPE_8X8;
}else{
s->mv_type= MV_TYPE_16X16;
}
for(i=0; i<4; i++){
int index= s->block_index[i];
int min, max;
s->me.co_located_mv[i][0]= s->next_picture.motion_val[0][index][0];
s->me.co_located_mv[i][1]= s->next_picture.motion_val[0][index][1];
s->me.direct_basis_mv[i][0]= s->me.co_located_mv[i][0]*time_pb/time_pp + ((i& 1)<<(shift+3));
s->me.direct_basis_mv[i][1]= s->me.co_located_mv[i][1]*time_pb/time_pp + ((i>>1)<<(shift+3));
// s->me.direct_basis_mv[1][i][0]= s->me.co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(shift+3);
// s->me.direct_basis_mv[1][i][1]= s->me.co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(shift+3);
max= FFMAX(s->me.direct_basis_mv[i][0], s->me.direct_basis_mv[i][0] - s->me.co_located_mv[i][0])>>shift;
min= FFMIN(s->me.direct_basis_mv[i][0], s->me.direct_basis_mv[i][0] - s->me.co_located_mv[i][0])>>shift;
max+= 16*mb_x + 1; // +-1 is for the simpler rounding
min+= 16*mb_x - 1;
xmax= FFMIN(xmax, s->width - max);
xmin= FFMAX(xmin, - 16 - min);
max= FFMAX(s->me.direct_basis_mv[i][1], s->me.direct_basis_mv[i][1] - s->me.co_located_mv[i][1])>>shift;
min= FFMIN(s->me.direct_basis_mv[i][1], s->me.direct_basis_mv[i][1] - s->me.co_located_mv[i][1])>>shift;
max+= 16*mb_y + 1; // +-1 is for the simpler rounding
min+= 16*mb_y - 1;
ymax= FFMIN(ymax, s->height - max);
ymin= FFMAX(ymin, - 16 - min);
if(s->mv_type == MV_TYPE_16X16) break;
}
assert(xmax <= 15 && ymax <= 15 && xmin >= -16 && ymin >= -16);
if(xmax < 0 || xmin >0 || ymax < 0 || ymin > 0){
s->b_direct_mv_table[mot_xy][0]= 0;
s->b_direct_mv_table[mot_xy][1]= 0;
return 256*256*256*64;
}
s->me.xmin= xmin;
s->me.ymin= ymin;
s->me.xmax= xmax;
s->me.ymax= ymax;
P_LEFT[0] = clip(mv_table[mot_xy - 1][0], xmin<<shift, xmax<<shift);
P_LEFT[1] = clip(mv_table[mot_xy - 1][1], ymin<<shift, ymax<<shift);
/* special case for first line */
if (!s->first_slice_line) { //FIXME maybe allow this over thread boundary as its cliped
P_TOP[0] = clip(mv_table[mot_xy - mot_stride ][0], xmin<<shift, xmax<<shift);
P_TOP[1] = clip(mv_table[mot_xy - mot_stride ][1], ymin<<shift, ymax<<shift);
P_TOPRIGHT[0] = clip(mv_table[mot_xy - mot_stride + 1 ][0], xmin<<shift, xmax<<shift);
P_TOPRIGHT[1] = clip(mv_table[mot_xy - mot_stride + 1 ][1], ymin<<shift, ymax<<shift);
P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
}
//FIXME direct_search ptr in context!!! (needed for chroma anyway or this will get messy)
if(s->flags&CODEC_FLAG_QPEL){
dmin = simple_direct_qpel_epzs_motion_search(s, &mx, &my, P, 0, 0,
src_data, ref_data, stride, uvstride, mv_table, 1<<14, mv_penalty);
dmin = simple_direct_qpel_qpel_motion_search(s, &mx, &my, dmin,
0, 0, src_data, ref_data, stride, uvstride, 0, 16, mv_penalty);
if(s->avctx->me_sub_cmp != s->avctx->mb_cmp && !s->me.skip)
dmin= simple_direct_qpel_qpel_get_mb_score(s, mx, my, 0, 0, src_data, ref_data, stride, uvstride, mv_penalty);
}else{
dmin = simple_direct_hpel_epzs_motion_search(s, &mx, &my, P, 0, 0,
src_data, ref_data, stride, uvstride, mv_table, 1<<15, mv_penalty);
dmin = simple_direct_hpel_hpel_motion_search(s, &mx, &my, dmin,
0, 0, src_data, ref_data, stride, uvstride, 0, 16, mv_penalty);
if(s->avctx->me_sub_cmp != s->avctx->mb_cmp && !s->me.skip)
dmin= simple_direct_hpel_hpel_get_mb_score(s, mx, my, 0, 0, src_data, ref_data, stride, uvstride, mv_penalty);
}
get_limits(s, 16*mb_x, 16*mb_y); //restore s->me.?min/max, maybe not needed
s->b_direct_mv_table[mot_xy][0]= mx;
s->b_direct_mv_table[mot_xy][1]= my;
return dmin;
}
void ff_estimate_b_frame_motion(MpegEncContext * s,
int mb_x, int mb_y)
{
const int penalty_factor= s->me.mb_penalty_factor;
int fmin, bmin, dmin, fbmin, bimin, fimin;
int type=0;
const int stride= s->linesize;
const int uvstride= s->uvlinesize;
uint8_t *src_data[3]= {
s->new_picture.data[0] + 16*(s->mb_x + stride*s->mb_y),
s->new_picture.data[1] + 8*(s->mb_x + uvstride*s->mb_y),
s->new_picture.data[2] + 8*(s->mb_x + uvstride*s->mb_y)
};
uint8_t *ref_data[6]= {
s->last_picture.data[0] + 16*(s->mb_x + stride*s->mb_y),
s->last_picture.data[1] + 8*(s->mb_x + uvstride*s->mb_y),
s->last_picture.data[2] + 8*(s->mb_x + uvstride*s->mb_y),
s->next_picture.data[0] + 16*(s->mb_x + stride*s->mb_y),
s->next_picture.data[1] + 8*(s->mb_x + uvstride*s->mb_y),
s->next_picture.data[2] + 8*(s->mb_x + uvstride*s->mb_y)
};
s->me.skip=0;
if (s->codec_id == CODEC_ID_MPEG4)
dmin= direct_search(s, src_data, ref_data, stride, uvstride, mb_x, mb_y);
else
dmin= INT_MAX;
//FIXME penalty stuff for non mpeg4
s->me.skip=0;
fmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, src_data,
ref_data, stride, uvstride, s->f_code) + 3*penalty_factor;
s->me.skip=0;
bmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, src_data,
ref_data+3, stride, uvstride, s->b_code) + 2*penalty_factor;
//printf(" %d %d ", s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1]);
s->me.skip=0;
fbmin= bidir_refine(s, src_data, ref_data, stride, uvstride, mb_x, mb_y) + penalty_factor;
//printf("%d %d %d %d\n", dmin, fmin, bmin, fbmin);
if(s->flags & CODEC_FLAG_INTERLACED_ME){
const int xy = mb_y*s->mb_stride + mb_x;
//FIXME mb type penalty
s->me.skip=0;
fimin= interlaced_search(s, src_data, ref_data ,
s->b_field_mv_table[0], s->b_field_select_table[0], s->f_code,
s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1]);
bimin= interlaced_search(s, src_data, ref_data+3,
s->b_field_mv_table[1], s->b_field_select_table[1], s->b_code,
s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1]);
}else
fimin= bimin= INT_MAX;
{
int score= fmin;
type = CANDIDATE_MB_TYPE_FORWARD;
if (dmin <= score){
score = dmin;
type = CANDIDATE_MB_TYPE_DIRECT;
}
if(bmin<score){
score=bmin;
type= CANDIDATE_MB_TYPE_BACKWARD;
}
if(fbmin<score){
score=fbmin;
type= CANDIDATE_MB_TYPE_BIDIR;
}
if(fimin<score){
score=fimin;
type= CANDIDATE_MB_TYPE_FORWARD_I;
}
if(bimin<score){
score=bimin;
type= CANDIDATE_MB_TYPE_BACKWARD_I;
}
score= ((unsigned)(score*score + 128*256))>>16;
s->mc_mb_var_sum_temp += score;
s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE
}
if(s->avctx->mb_decision > FF_MB_DECISION_SIMPLE){
type= CANDIDATE_MB_TYPE_FORWARD | CANDIDATE_MB_TYPE_BACKWARD | CANDIDATE_MB_TYPE_BIDIR | CANDIDATE_MB_TYPE_DIRECT;
if(fimin < INT_MAX)
type |= CANDIDATE_MB_TYPE_FORWARD_I;
if(bimin < INT_MAX)
type |= CANDIDATE_MB_TYPE_BACKWARD_I;
if(fimin < INT_MAX && bimin < INT_MAX){
type |= CANDIDATE_MB_TYPE_BIDIR_I;
}
//FIXME something smarter
if(dmin>256*256*16) type&= ~CANDIDATE_MB_TYPE_DIRECT; //dont try direct mode if its invalid for this MB
#if 0
if(s->out_format == FMT_MPEG1)
type |= CANDIDATE_MB_TYPE_INTRA;
#endif
}
s->mb_type[mb_y*s->mb_stride + mb_x]= type;
}
/* find best f_code for ME which do unlimited searches */
int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type)
{
if(s->me_method>=ME_EPZS){
int score[8];
int i, y;
uint8_t * fcode_tab= s->fcode_tab;
int best_fcode=-1;
int best_score=-10000000;
for(i=0; i<8; i++) score[i]= s->mb_num*(8-i);
for(y=0; y<s->mb_height; y++){
int x;
int xy= y*s->mb_stride;
for(x=0; x<s->mb_width; x++){
if(s->mb_type[xy] & type){
int fcode= FFMAX(fcode_tab[mv_table[xy][0] + MAX_MV],
fcode_tab[mv_table[xy][1] + MAX_MV]);
int j;
for(j=0; j<fcode && j<8; j++){
if(s->pict_type==B_TYPE || s->current_picture.mc_mb_var[xy] < s->current_picture.mb_var[xy])
score[j]-= 170;
}
}
xy++;
}
}
for(i=1; i<8; i++){
if(score[i] > best_score){
best_score= score[i];
best_fcode= i;
}
// printf("%d %d\n", i, score[i]);
}
// printf("fcode: %d type: %d\n", i, s->pict_type);
return best_fcode;
/* for(i=0; i<=MAX_FCODE; i++){
printf("%d ", mv_num[i]);
}
printf("\n");*/
}else{
return 1;
}
}
void ff_fix_long_p_mvs(MpegEncContext * s)
{
const int f_code= s->f_code;
int y, range;
assert(s->pict_type==P_TYPE);
range = (((s->out_format == FMT_MPEG1) ? 8 : 16) << f_code);
if(s->msmpeg4_version) range= 16;
if(s->avctx->me_range && range > s->avctx->me_range) range= s->avctx->me_range;
//printf("%d no:%d %d//\n", clip, noclip, f_code);
if(s->flags&CODEC_FLAG_4MV){
const int wrap= 2+ s->mb_width*2;
/* clip / convert to intra 8x8 type MVs */
for(y=0; y<s->mb_height; y++){
int xy= (y*2 + 1)*wrap + 1;
int i= y*s->mb_stride;
int x;
for(x=0; x<s->mb_width; x++){
if(s->mb_type[i]&CANDIDATE_MB_TYPE_INTER4V){
int block;
for(block=0; block<4; block++){
int off= (block& 1) + (block>>1)*wrap;
int mx= s->current_picture.motion_val[0][ xy + off ][0];
int my= s->current_picture.motion_val[0][ xy + off ][1];
if( mx >=range || mx <-range
|| my >=range || my <-range){
s->mb_type[i] &= ~CANDIDATE_MB_TYPE_INTER4V;
s->mb_type[i] |= CANDIDATE_MB_TYPE_INTRA;
s->current_picture.mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
}
}
}
xy+=2;
i++;
}
}
}
}
/**
*
* @param truncate 1 for truncation, 0 for using intra
*/
void ff_fix_long_mvs(MpegEncContext * s, uint8_t *field_select_table, int field_select,
int16_t (*mv_table)[2], int f_code, int type, int truncate)
{
int y, h_range, v_range;
// RAL: 8 in MPEG-1, 16 in MPEG-4
int range = (((s->out_format == FMT_MPEG1) ? 8 : 16) << f_code);
if(s->msmpeg4_version) range= 16;
if(s->avctx->me_range && range > s->avctx->me_range) range= s->avctx->me_range;
h_range= range;
v_range= field_select_table ? range>>1 : range;
/* clip / convert to intra 16x16 type MVs */
for(y=0; y<s->mb_height; y++){
int x;
int xy= y*s->mb_stride;
for(x=0; x<s->mb_width; x++){
if (s->mb_type[xy] & type){ // RAL: "type" test added...
if(field_select_table==NULL || field_select_table[xy] == field_select){
if( mv_table[xy][0] >=h_range || mv_table[xy][0] <-h_range
|| mv_table[xy][1] >=v_range || mv_table[xy][1] <-v_range){
if(truncate){
if (mv_table[xy][0] > h_range-1) mv_table[xy][0]= h_range-1;
else if(mv_table[xy][0] < -h_range ) mv_table[xy][0]= -h_range;
if (mv_table[xy][1] > v_range-1) mv_table[xy][1]= v_range-1;
else if(mv_table[xy][1] < -v_range ) mv_table[xy][1]= -v_range;
}else{
s->mb_type[xy] &= ~type;
s->mb_type[xy] |= CANDIDATE_MB_TYPE_INTRA;
mv_table[xy][0]=
mv_table[xy][1]= 0;
}
}
}
}
xy++;
}
}
}
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