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Diffstat (limited to 'contrib/ffmpeg/libavcodec/motion_est.c')
| -rw-r--r-- | contrib/ffmpeg/libavcodec/motion_est.c | 2114 |
1 files changed, 2114 insertions, 0 deletions
diff --git a/contrib/ffmpeg/libavcodec/motion_est.c b/contrib/ffmpeg/libavcodec/motion_est.c new file mode 100644 index 000000000..4dc17b99b --- /dev/null +++ b/contrib/ffmpeg/libavcodec/motion_est.c @@ -0,0 +1,2114 @@ +/* + * Motion estimation + * Copyright (c) 2000,2001 Fabrice Bellard. + * Copyright (c) 2002-2004 Michael Niedermayer + * + * + * This file is part of FFmpeg. + * + * FFmpeg 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 2.1 of the License, or (at your option) any later version. + * + * FFmpeg 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 FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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 src_index, int ref_index, + int size, int h); + +static inline int update_map_generation(MotionEstContext *c) +{ + c->map_generation+= 1<<(ME_MAP_MV_BITS*2); + if(c->map_generation==0){ + c->map_generation= 1<<(ME_MAP_MV_BITS*2); + memset(c->map, 0, sizeof(uint32_t)*ME_MAP_SIZE); + } + return c->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; +} + +#define FLAG_QPEL 1 //must be 1 +#define FLAG_CHROMA 2 +#define FLAG_DIRECT 4 + +static inline void init_ref(MotionEstContext *c, uint8_t *src[3], uint8_t *ref[3], uint8_t *ref2[3], int x, int y, int ref_index){ + const int offset[3]= { + y*c-> stride + x, + ((y*c->uvstride + x)>>1), + ((y*c->uvstride + x)>>1), + }; + int i; + for(i=0; i<3; i++){ + c->src[0][i]= src [i] + offset[i]; + c->ref[0][i]= ref [i] + offset[i]; + } + if(ref_index){ + for(i=0; i<3; i++){ + c->ref[ref_index][i]= ref2[i] + offset[i]; + } + } +} + +static int get_flags(MotionEstContext *c, int direct, int chroma){ + return ((c->avctx->flags&CODEC_FLAG_QPEL) ? FLAG_QPEL : 0) + + (direct ? FLAG_DIRECT : 0) + + (chroma ? FLAG_CHROMA : 0); +} + +static always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby, + const int size, const int h, int ref_index, int src_index, + me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){ + MotionEstContext * const c= &s->me; + const int stride= c->stride; + const int uvstride= c->uvstride; + const int qpel= flags&FLAG_QPEL; + const int chroma= flags&FLAG_CHROMA; + const int dxy= subx + (suby<<(1+qpel)); //FIXME log2_subpel? + const int hx= subx + (x<<(1+qpel)); + const int hy= suby + (y<<(1+qpel)); + uint8_t * const * const ref= c->ref[ref_index]; + uint8_t * const * const src= c->src[src_index]; + int d; + //FIXME check chroma 4mv, (no crashes ...) + if(flags&FLAG_DIRECT){ + if(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)){ + const int time_pp= s->pp_time; + const int time_pb= s->pb_time; + const int mask= 2*qpel+1; + if(s->mv_type==MV_TYPE_8X8){ + int i; + for(i=0; i<4; i++){ + int fx = c->direct_basis_mv[i][0] + hx; + int fy = c->direct_basis_mv[i][1] + hy; + int bx = hx ? fx - c->co_located_mv[i][0] : c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(qpel+4)); + int by = hy ? fy - c->co_located_mv[i][1] : c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(qpel+4)); + int fxy= (fx&mask) + ((fy&mask)<<(qpel+1)); + int bxy= (bx&mask) + ((by&mask)<<(qpel+1)); + + uint8_t *dst= c->temp + 8*(i&1) + 8*stride*(i>>1); + if(qpel){ + c->qpel_put[1][fxy](dst, ref[0] + (fx>>2) + (fy>>2)*stride, stride); + c->qpel_avg[1][bxy](dst, ref[8] + (bx>>2) + (by>>2)*stride, stride); + }else{ + c->hpel_put[1][fxy](dst, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 8); + c->hpel_avg[1][bxy](dst, ref[8] + (bx>>1) + (by>>1)*stride, stride, 8); + } + } + }else{ + int fx = c->direct_basis_mv[0][0] + hx; + int fy = c->direct_basis_mv[0][1] + hy; + int bx = hx ? fx - c->co_located_mv[0][0] : (c->co_located_mv[0][0]*(time_pb - time_pp)/time_pp); + int by = hy ? fy - c->co_located_mv[0][1] : (c->co_located_mv[0][1]*(time_pb - time_pp)/time_pp); + int fxy= (fx&mask) + ((fy&mask)<<(qpel+1)); + int bxy= (bx&mask) + ((by&mask)<<(qpel+1)); + + if(qpel){ + c->qpel_put[1][fxy](c->temp , ref[0] + (fx>>2) + (fy>>2)*stride , stride); + c->qpel_put[1][fxy](c->temp + 8 , ref[0] + (fx>>2) + (fy>>2)*stride + 8 , stride); + c->qpel_put[1][fxy](c->temp + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8*stride, stride); + c->qpel_put[1][fxy](c->temp + 8 + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8 + 8*stride, stride); + c->qpel_avg[1][bxy](c->temp , ref[8] + (bx>>2) + (by>>2)*stride , stride); + c->qpel_avg[1][bxy](c->temp + 8 , ref[8] + (bx>>2) + (by>>2)*stride + 8 , stride); + c->qpel_avg[1][bxy](c->temp + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8*stride, stride); + c->qpel_avg[1][bxy](c->temp + 8 + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8 + 8*stride, stride); + }else{ + 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); + + c->hpel_put[0][fxy](c->temp, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 16); + c->hpel_avg[0][bxy](c->temp, ref[8] + (bx>>1) + (by>>1)*stride, stride, 16); + } + } + d = cmp_func(s, c->temp, src[0], stride, 16); + }else + d= 256*256*256*32; + }else{ + int uvdxy; /* no, it might not be used uninitialized */ + if(dxy){ + if(qpel){ + c->qpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride); //FIXME prototype (add h) + if(chroma){ + int cx= hx/2; + int cy= hy/2; + cx= (cx>>1)|(cx&1); + cy= (cy>>1)|(cy&1); + uvdxy= (cx&1) + 2*(cy&1); + //FIXME x/y wrong, but mpeg4 qpel is sick anyway, we should drop as much of it as possible in favor for h264 + } + }else{ + c->hpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride, h); + if(chroma) + uvdxy= dxy | (x&1) | (2*(y&1)); + } + d = cmp_func(s, c->temp, src[0], stride, h); + }else{ + d = cmp_func(s, src[0], ref[0] + x + y*stride, stride, h); + if(chroma) + uvdxy= (x&1) + 2*(y&1); + } + if(chroma){ + uint8_t * const uvtemp= c->temp + 16*stride; + c->hpel_put[size+1][uvdxy](uvtemp , ref[1] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1); + c->hpel_put[size+1][uvdxy](uvtemp+8, ref[2] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1); + d += chroma_cmp_func(s, uvtemp , src[1], uvstride, h>>1); + d += chroma_cmp_func(s, uvtemp+8, src[2], uvstride, h>>1); + } + } +#if 0 + if(full_pel){ + const int index= (((y)<<ME_MAP_SHIFT) + (x))&(ME_MAP_SIZE-1); + score_map[index]= d; + } + + d += (c->mv_penalty[hx - c->pred_x] + c->mv_penalty[hy - c->pred_y])*c->penalty_factor; +#endif + return d; +} + +#include "motion_est_template.c" + +static int zero_cmp(void *s, uint8_t *a, uint8_t *b, int stride, int h){ + return 0; +} + +static void zero_hpel(uint8_t *a, const uint8_t *b, int stride, int h){ +} + +void ff_init_me(MpegEncContext *s){ + MotionEstContext * const c= &s->me; + c->avctx= s->avctx; + + ff_set_cmp(&s->dsp, s->dsp.me_pre_cmp, c->avctx->me_pre_cmp); + ff_set_cmp(&s->dsp, s->dsp.me_cmp, c->avctx->me_cmp); + ff_set_cmp(&s->dsp, s->dsp.me_sub_cmp, c->avctx->me_sub_cmp); + ff_set_cmp(&s->dsp, s->dsp.mb_cmp, c->avctx->mb_cmp); + + c->flags = get_flags(c, 0, c->avctx->me_cmp &FF_CMP_CHROMA); + c->sub_flags= get_flags(c, 0, c->avctx->me_sub_cmp&FF_CMP_CHROMA); + c->mb_flags = get_flags(c, 0, c->avctx->mb_cmp &FF_CMP_CHROMA); + +/*FIXME s->no_rounding b_type*/ + if(s->flags&CODEC_FLAG_QPEL){ + c->sub_motion_search= qpel_motion_search; + c->qpel_avg= s->dsp.avg_qpel_pixels_tab; + if(s->no_rounding) c->qpel_put= s->dsp.put_no_rnd_qpel_pixels_tab; + else c->qpel_put= s->dsp.put_qpel_pixels_tab; + }else{ + if(c->avctx->me_sub_cmp&FF_CMP_CHROMA) + c->sub_motion_search= hpel_motion_search; + else if( c->avctx->me_sub_cmp == FF_CMP_SAD + && c->avctx-> me_cmp == FF_CMP_SAD + && c->avctx-> mb_cmp == FF_CMP_SAD) + c->sub_motion_search= sad_hpel_motion_search; // 2050 vs. 2450 cycles + else + c->sub_motion_search= hpel_motion_search; + } + c->hpel_avg= s->dsp.avg_pixels_tab; + if(s->no_rounding) c->hpel_put= s->dsp.put_no_rnd_pixels_tab; + else c->hpel_put= s->dsp.put_pixels_tab; + + if(s->linesize){ + c->stride = s->linesize; + c->uvstride= s->uvlinesize; + }else{ + c->stride = 16*s->mb_width + 32; + c->uvstride= 8*s->mb_width + 16; + } + + // 8x8 fullpel search would need a 4x4 chroma compare, which we dont have yet, and even if we had the motion estimation code doesnt expect it + if(s->codec_id != CODEC_ID_SNOW){ + if((c->avctx->me_cmp&FF_CMP_CHROMA)/* && !s->dsp.me_cmp[2]*/){ + s->dsp.me_cmp[2]= zero_cmp; + } + if((c->avctx->me_sub_cmp&FF_CMP_CHROMA) && !s->dsp.me_sub_cmp[2]){ + s->dsp.me_sub_cmp[2]= zero_cmp; + } + c->hpel_put[2][0]= c->hpel_put[2][1]= + c->hpel_put[2][2]= c->hpel_put[2][3]= zero_hpel; + } + + if(s->codec_id == CODEC_ID_H261){ + c->sub_motion_search= no_sub_motion_search; + } + + c->temp= c->scratchpad; +} + +#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 += FFABS(pix[0]-mean); + s += FFABS(pix[1]-mean); + s += FFABS(pix[2]-mean); + s += FFABS(pix[3]-mean); + s += FFABS(pix[4]-mean); + s += FFABS(pix[5]-mean); + s += FFABS(pix[6]-mean); + s += FFABS(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; +} + +#if 0 /* the use of these functions is inside #if 0 */ +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)) { + av_log(NULL, AV_LOG_ERROR, "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 + av_log(s->avctx, AV_LOG_DEBUG, "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 + av_log(s->avctx, AV_LOG_DEBUG, "phods - MX: %d\tMY: %d\n", mx, my); +#endif + + /* half pixel search */ + *mx_ptr = mx; + *my_ptr = my; + return dminy; +} +#endif /* 0 */ + +#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 src_index, int ref_index, + int size, int h) +{ + MotionEstContext * const c= &s->me; + const int penalty_factor= c->sub_penalty_factor; + int mx, my, dminh; + uint8_t *pix, *ptr; + int stride= c->stride; + const int flags= c->sub_flags; + LOAD_COMMON + + assert(flags == 0); + + if(c->skip){ +// printf("S"); + *mx_ptr = 0; + *my_ptr = 0; + return dmin; + } +// printf("N"); + + pix = c->src[src_index][0]; + + mx = *mx_ptr; + my = *my_ptr; + ptr = c->ref[ref_index][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 already 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->b8_stride; + 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) +{ + MotionEstContext * const c= &s->me; +/* + if(c->avctx->me_range) c->range= c->avctx->me_range >> 1; + else c->range= 16; +*/ + if (s->unrestricted_mv) { + c->xmin = - x - 16; + c->ymin = - y - 16; + c->xmax = - x + s->mb_width *16; + c->ymax = - y + s->mb_height*16; + } else if (s->out_format == FMT_H261){ + // Search range of H261 is different from other codec standards + c->xmin = (x > 15) ? - 15 : 0; + c->ymin = (y > 15) ? - 15 : 0; + c->xmax = (x < s->mb_width * 16 - 16) ? 15 : 0; + c->ymax = (y < s->mb_height * 16 - 16) ? 15 : 0; + } else { + c->xmin = - x; + c->ymin = - y; + c->xmax = - x + s->mb_width *16 - 16; + c->ymax = - y + s->mb_height*16 - 16; + } +} + +static inline void init_mv4_ref(MotionEstContext *c){ + const int stride= c->stride; + + c->ref[1][0] = c->ref[0][0] + 8; + c->ref[2][0] = c->ref[0][0] + 8*stride; + c->ref[3][0] = c->ref[2][0] + 8; + c->src[1][0] = c->src[0][0] + 8; + c->src[2][0] = c->src[0][0] + 8*stride; + c->src[3][0] = c->src[2][0] + 8; +} + +static inline int h263_mv4_search(MpegEncContext *s, int mx, int my, int shift) +{ + MotionEstContext * const c= &s->me; + const int size= 1; + const int h=8; + int block; + int P[10][2]; + int dmin_sum=0, mx4_sum=0, my4_sum=0; + int same=1; + const int stride= c->stride; + uint8_t *mv_penalty= c->current_mv_penalty; + + init_mv4_ref(c); + + 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->b8_stride; + const int mot_xy = s->block_index[block]; + + 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] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift); + + /* special case for first line */ + if (s->first_slice_line && block<2) { + c->pred_x= pred_x4= P_LEFT[0]; + c->pred_y= 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] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift); + if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift); + if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift); + if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->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]); + + c->pred_x= pred_x4 = P_MEDIAN[0]; + c->pred_y= pred_y4 = P_MEDIAN[1]; + } + P_MV1[0]= mx; + P_MV1[1]= my; + + dmin4 = epzs_motion_search4(s, &mx4, &my4, P, block, block, s->p_mv_table, (1<<16)>>shift); + + dmin4= c->sub_motion_search(s, &mx4, &my4, dmin4, block, block, size, h); + + if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){ + int dxy; + const int offset= ((block&1) + (block>>1)*stride)*8; + uint8_t *dest_y = c->scratchpad + offset; + if(s->quarter_sample){ + uint8_t *ref= c->ref[block][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= c->ref[block][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])*c->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, c->scratchpad, stride, 16); + } + + if(c->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](c->scratchpad , s->last_picture.data[1] + offset, s->uvlinesize, 8); + s->dsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad+8 , s->last_picture.data[2] + offset, s->uvlinesize, 8); + }else{ + s->dsp.put_pixels_tab [1][dxy](c->scratchpad , s->last_picture.data[1] + offset, s->uvlinesize, 8); + s->dsp.put_pixels_tab [1][dxy](c->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, c->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, c->scratchpad+8, s->uvlinesize, 8); + } + + c->pred_x= mx; + c->pred_y= my; + + switch(c->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*c->mb_penalty_factor; + } +} + +static inline void init_interlaced_ref(MpegEncContext *s, int ref_index){ + MotionEstContext * const c= &s->me; + + c->ref[1+ref_index][0] = c->ref[0+ref_index][0] + s->linesize; + c->src[1][0] = c->src[0][0] + s->linesize; + if(c->flags & FLAG_CHROMA){ + c->ref[1+ref_index][1] = c->ref[0+ref_index][1] + s->uvlinesize; + c->ref[1+ref_index][2] = c->ref[0+ref_index][2] + s->uvlinesize; + c->src[1][1] = c->src[0][1] + s->uvlinesize; + c->src[1][2] = c->src[0][2] + s->uvlinesize; + } +} + +static int interlaced_search(MpegEncContext *s, int ref_index, + int16_t (*mv_tables[2][2])[2], uint8_t *field_select_tables[2], int mx, int my, int user_field_select) +{ + MotionEstContext * const c= &s->me; + const int size=0; + const int h=8; + int block; + int P[10][2]; + uint8_t * const mv_penalty= c->current_mv_penalty; + int same=1; + const int stride= 2*s->linesize; + int dmin_sum= 0; + const int mot_stride= s->mb_stride; + const int xy= s->mb_x + s->mb_y*mot_stride; + + c->ymin>>=1; + c->ymax>>=1; + c->stride<<=1; + c->uvstride<<=1; + init_interlaced_ref(s, ref_index); + + for(block=0; block<2; block++){ + int field_select; + int best_dmin= INT_MAX; + int best_field= -1; + + for(field_select=0; field_select<2; field_select++){ + int dmin, mx_i, my_i; + int16_t (*mv_table)[2]= mv_tables[block][field_select]; + + if(user_field_select){ + assert(field_select==0 || field_select==1); + assert(field_select_tables[block][xy]==0 || field_select_tables[block][xy]==1); + if(field_select_tables[block][xy] != field_select) + continue; + } + + P_LEFT[0] = mv_table[xy - 1][0]; + P_LEFT[1] = mv_table[xy - 1][1]; + if(P_LEFT[0] > (c->xmax<<1)) P_LEFT[0] = (c->xmax<<1); + + c->pred_x= P_LEFT[0]; + c->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] > (c->ymax<<1)) P_TOP[1] = (c->ymax<<1); + if(P_TOPRIGHT[0] < (c->xmin<<1)) P_TOPRIGHT[0]= (c->xmin<<1); + if(P_TOPRIGHT[0] > (c->xmax<<1)) P_TOPRIGHT[0]= (c->xmax<<1); + if(P_TOPRIGHT[1] > (c->ymax<<1)) P_TOPRIGHT[1]= (c->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 = epzs_motion_search2(s, &mx_i, &my_i, P, block, field_select+ref_index, mv_table, (1<<16)>>1); + + dmin= c->sub_motion_search(s, &mx_i, &my_i, dmin, block, field_select+ref_index, size, h); + + mv_table[xy][0]= mx_i; + mv_table[xy][1]= my_i; + + if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){ + int dxy; + + //FIXME chroma ME + uint8_t *ref= c->ref[field_select+ref_index][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](c->scratchpad, ref , stride, h); + }else{ + s->dsp.put_pixels_tab [size][dxy](c->scratchpad, ref , stride, h); + } + dmin= s->dsp.mb_cmp[size](s, c->src[block][0], c->scratchpad, stride, h); + dmin+= (mv_penalty[mx_i-c->pred_x] + mv_penalty[my_i-c->pred_y] + 1)*c->mb_penalty_factor; + }else + dmin+= c->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; + } + + c->ymin<<=1; + c->ymax<<=1; + c->stride>>=1; + c->uvstride>>=1; + + if(same) + return INT_MAX; + + switch(c->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*c->mb_penalty_factor; + } +} + +static void clip_input_mv(MpegEncContext * s, int16_t *mv, int interlaced){ + int ymax= s->me.ymax>>interlaced; + int ymin= s->me.ymin>>interlaced; + + if(mv[0] < s->me.xmin) mv[0] = s->me.xmin; + if(mv[0] > s->me.xmax) mv[0] = s->me.xmax; + if(mv[1] < ymin) mv[1] = ymin; + if(mv[1] > ymax) mv[1] = ymax; +} + +static inline int check_input_motion(MpegEncContext * s, int mb_x, int mb_y, int p_type){ + MotionEstContext * const c= &s->me; + Picture *p= s->current_picture_ptr; + int mb_xy= mb_x + mb_y*s->mb_stride; + int xy= 2*mb_x + 2*mb_y*s->b8_stride; + int mb_type= s->current_picture.mb_type[mb_xy]; + int flags= c->flags; + int shift= (flags&FLAG_QPEL) + 1; + int mask= (1<<shift)-1; + int x, y, i; + int d=0; + me_cmp_func cmpf= s->dsp.sse[0]; + me_cmp_func chroma_cmpf= s->dsp.sse[1]; + + if(p_type && USES_LIST(mb_type, 1)){ + av_log(c->avctx, AV_LOG_ERROR, "backward motion vector in P frame\n"); + return INT_MAX/2; + } + assert(IS_INTRA(mb_type) || USES_LIST(mb_type,0) || USES_LIST(mb_type,1)); + + for(i=0; i<4; i++){ + int xy= s->block_index[i]; + clip_input_mv(s, p->motion_val[0][xy], !!IS_INTERLACED(mb_type)); + clip_input_mv(s, p->motion_val[1][xy], !!IS_INTERLACED(mb_type)); + } + + if(IS_INTERLACED(mb_type)){ + int xy2= xy + s->b8_stride; + s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTRA; + c->stride<<=1; + c->uvstride<<=1; + + if(!(s->flags & CODEC_FLAG_INTERLACED_ME)){ + av_log(c->avctx, AV_LOG_ERROR, "Interlaced macroblock selected but interlaced motion estimation disabled\n"); + return INT_MAX/2; + } + + if(USES_LIST(mb_type, 0)){ + int field_select0= p->ref_index[0][xy ]; + int field_select1= p->ref_index[0][xy2]; + assert(field_select0==0 ||field_select0==1); + assert(field_select1==0 ||field_select1==1); + init_interlaced_ref(s, 0); + + if(p_type){ + s->p_field_select_table[0][mb_xy]= field_select0; + s->p_field_select_table[1][mb_xy]= field_select1; + *(uint32_t*)s->p_field_mv_table[0][field_select0][mb_xy]= *(uint32_t*)p->motion_val[0][xy ]; + *(uint32_t*)s->p_field_mv_table[1][field_select1][mb_xy]= *(uint32_t*)p->motion_val[0][xy2]; + s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER_I; + }else{ + s->b_field_select_table[0][0][mb_xy]= field_select0; + s->b_field_select_table[0][1][mb_xy]= field_select1; + *(uint32_t*)s->b_field_mv_table[0][0][field_select0][mb_xy]= *(uint32_t*)p->motion_val[0][xy ]; + *(uint32_t*)s->b_field_mv_table[0][1][field_select1][mb_xy]= *(uint32_t*)p->motion_val[0][xy2]; + s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_FORWARD_I; + } + + x= p->motion_val[0][xy ][0]; + y= p->motion_val[0][xy ][1]; + d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select0, 0, cmpf, chroma_cmpf, flags); + x= p->motion_val[0][xy2][0]; + y= p->motion_val[0][xy2][1]; + d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select1, 1, cmpf, chroma_cmpf, flags); + } + if(USES_LIST(mb_type, 1)){ + int field_select0= p->ref_index[1][xy ]; + int field_select1= p->ref_index[1][xy2]; + assert(field_select0==0 ||field_select0==1); + assert(field_select1==0 ||field_select1==1); + init_interlaced_ref(s, 2); + + s->b_field_select_table[1][0][mb_xy]= field_select0; + s->b_field_select_table[1][1][mb_xy]= field_select1; + *(uint32_t*)s->b_field_mv_table[1][0][field_select0][mb_xy]= *(uint32_t*)p->motion_val[1][xy ]; + *(uint32_t*)s->b_field_mv_table[1][1][field_select1][mb_xy]= *(uint32_t*)p->motion_val[1][xy2]; + if(USES_LIST(mb_type, 0)){ + s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_BIDIR_I; + }else{ + s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_BACKWARD_I; + } + + x= p->motion_val[1][xy ][0]; + y= p->motion_val[1][xy ][1]; + d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select0+2, 0, cmpf, chroma_cmpf, flags); + x= p->motion_val[1][xy2][0]; + y= p->motion_val[1][xy2][1]; + d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select1+2, 1, cmpf, chroma_cmpf, flags); + //FIXME bidir scores + } + c->stride>>=1; + c->uvstride>>=1; + }else if(IS_8X8(mb_type)){ + if(!(s->flags & CODEC_FLAG_4MV)){ + av_log(c->avctx, AV_LOG_ERROR, "4MV macroblock selected but 4MV encoding disabled\n"); + return INT_MAX/2; + } + cmpf= s->dsp.sse[1]; + chroma_cmpf= s->dsp.sse[1]; + init_mv4_ref(c); + for(i=0; i<4; i++){ + xy= s->block_index[i]; + x= p->motion_val[0][xy][0]; + y= p->motion_val[0][xy][1]; + d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 1, 8, i, i, cmpf, chroma_cmpf, flags); + } + s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER4V; + }else{ + if(USES_LIST(mb_type, 0)){ + if(p_type){ + *(uint32_t*)s->p_mv_table[mb_xy]= *(uint32_t*)p->motion_val[0][xy]; + s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER; + }else if(USES_LIST(mb_type, 1)){ + *(uint32_t*)s->b_bidir_forw_mv_table[mb_xy]= *(uint32_t*)p->motion_val[0][xy]; + *(uint32_t*)s->b_bidir_back_mv_table[mb_xy]= *(uint32_t*)p->motion_val[1][xy]; + s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_BIDIR; + }else{ + *(uint32_t*)s->b_forw_mv_table[mb_xy]= *(uint32_t*)p->motion_val[0][xy]; + s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_FORWARD; + } + x= p->motion_val[0][xy][0]; + y= p->motion_val[0][xy][1]; + d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 16, 0, 0, cmpf, chroma_cmpf, flags); + }else if(USES_LIST(mb_type, 1)){ + *(uint32_t*)s->b_back_mv_table[mb_xy]= *(uint32_t*)p->motion_val[1][xy]; + s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_BACKWARD; + + x= p->motion_val[1][xy][0]; + y= p->motion_val[1][xy][1]; + d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 16, 2, 0, cmpf, chroma_cmpf, flags); + }else + s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTRA; + } + return d; +} + +void ff_estimate_p_frame_motion(MpegEncContext * s, + int mb_x, int mb_y) +{ + MotionEstContext * const c= &s->me; + uint8_t *pix, *ppix; + int sum, varc, vard, mx, my, dmin; + int P[10][2]; + const int shift= 1+s->quarter_sample; + int mb_type=0; + Picture * const pic= &s->current_picture; + + init_ref(c, s->new_picture.data, s->last_picture.data, NULL, 16*mb_x, 16*mb_y, 0); + + assert(s->quarter_sample==0 || s->quarter_sample==1); + assert(s->linesize == c->stride); + assert(s->uvlinesize == c->uvstride); + + c->penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_cmp); + c->sub_penalty_factor= get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_sub_cmp); + c->mb_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->mb_cmp); + c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV; + + get_limits(s, 16*mb_x, 16*mb_y); + c->skip=0; + + /* intra / predictive decision */ + pix = c->src[0][0]; + sum = s->dsp.pix_sum(pix, s->linesize); + varc = s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500; + + pic->mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8; + pic->mb_var [s->mb_stride * mb_y + mb_x] = (varc+128)>>8; + c->mb_var_sum_temp += (varc+128)>>8; + + if(c->avctx->me_threshold){ + vard= check_input_motion(s, mb_x, mb_y, 1); + + if((vard+128)>>8 < c->avctx->me_threshold){ + int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100); + int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20; + pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = (vard+128)>>8; + c->mc_mb_var_sum_temp += (vard+128)>>8; + c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score); + return; + } + if((vard+128)>>8 < c->avctx->mb_threshold) + mb_type= s->mb_type[mb_x + mb_y*s->mb_stride]; + } + + 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->b8_stride; + 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] > (c->xmax<<shift)) P_LEFT[0] = (c->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] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift); + if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift); + if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->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){ + c->pred_x = P_MEDIAN[0]; + c->pred_y = P_MEDIAN[1]; + }else { /* mpeg1 at least */ + c->pred_x= P_LEFT[0]; + c->pred_y= P_LEFT[1]; + } + }else{ + c->pred_x= P_LEFT[0]; + c->pred_y= P_LEFT[1]; + } + + } + dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift, 0, 16); + + break; + } + + /* At this point (mx,my) are full-pell and the relative displacement */ + ppix = c->ref[0][0] + (my * s->linesize) + mx; + + vard = s->dsp.sse[0](NULL, pix, ppix, s->linesize, 16); + + pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = (vard+128)>>8; +// pic->mb_cmp_score[s->mb_stride * mb_y + mb_x] = dmin; + c->mc_mb_var_sum_temp += (vard+128)>>8; + +#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(mb_type){ + int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100); + int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20; + c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score); + + if(mb_type == CANDIDATE_MB_TYPE_INTER){ + c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16); + set_p_mv_tables(s, mx, my, 1); + }else{ + mx <<=shift; + my <<=shift; + } + if(mb_type == CANDIDATE_MB_TYPE_INTER4V){ + h263_mv4_search(s, mx, my, shift); + + set_p_mv_tables(s, mx, my, 0); + } + if(mb_type == CANDIDATE_MB_TYPE_INTER_I){ + interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 1); + } + }else if(c->avctx->mb_decision > FF_MB_DECISION_SIMPLE){ + int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100); + int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20; + c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score); + + if (vard*2 + 200*256 > varc) + mb_type|= CANDIDATE_MB_TYPE_INTRA; + if (varc*2 + 200*256 > vard || s->qscale > 24){ +// if (varc*2 + 200*256 + 50*(s->lambda2>>FF_LAMBDA_SHIFT) > vard){ + mb_type|= CANDIDATE_MB_TYPE_INTER; + c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16); + if(s->flags&CODEC_FLAG_MV0) + if(mx || my) + mb_type |= CANDIDATE_MB_TYPE_SKIPPED; //FIXME check difference + }else{ + mx <<=shift; + my <<=shift; + } + if((s->flags&CODEC_FLAG_4MV) + && !c->skip && varc>50<<8 && vard>10<<8){ + 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) + && !c->skip){ //FIXME varc/d checks + if(interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0) < INT_MAX) + mb_type |= CANDIDATE_MB_TYPE_INTER_I; + } + }else{ + int intra_score, i; + mb_type= CANDIDATE_MB_TYPE_INTER; + + dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16); + if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip) + dmin= ff_get_mb_score(s, mx, my, 0, 0, 0, 16, 1); + + if((s->flags&CODEC_FLAG_4MV) + && !c->skip && varc>50<<8 && vard>10<<8){ + 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) + && !c->skip){ //FIXME varc/d checks + int dmin_i= interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0); + 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((c->avctx->mb_cmp&0xFF)==FF_CMP_SSE){ + intra_score= varc - 500; + }else{ + int mean= (sum+128)>>8; + mean*= 0x01010101; + + for(i=0; i<16; i++){ + *(uint32_t*)(&c->scratchpad[i*s->linesize+ 0]) = mean; + *(uint32_t*)(&c->scratchpad[i*s->linesize+ 4]) = mean; + *(uint32_t*)(&c->scratchpad[i*s->linesize+ 8]) = mean; + *(uint32_t*)(&c->scratchpad[i*s->linesize+12]) = mean; + } + + intra_score= s->dsp.mb_cmp[0](s, c->scratchpad, pix, s->linesize, 16); + } +#if 0 //FIXME + /* get chroma score */ + if(c->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*s->b8_stride] + 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*)(&c->scratchpad[i*s->uvlinesize+ 0]) = mean; + *(uint32_t*)(&c->scratchpad[i*s->uvlinesize+ 4]) = mean; + } + + intra_score+= s->dsp.mb_cmp[1](s, c->scratchpad, dest_c, s->uvlinesize); + } + } +#endif + intra_score += c->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; + + { + int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100); + int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20; + c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score); + } + } + + 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) +{ + MotionEstContext * const c= &s->me; + int mx, my, dmin; + int P[10][2]; + const int shift= 1+s->quarter_sample; + const int xy= mb_x + mb_y*s->mb_stride; + init_ref(c, s->new_picture.data, s->last_picture.data, NULL, 16*mb_x, 16*mb_y, 0); + + assert(s->quarter_sample==0 || s->quarter_sample==1); + + c->pre_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_pre_cmp); + c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV; + + get_limits(s, 16*mb_x, 16*mb_y); + c->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] < (c->xmin<<shift)) P_LEFT[0] = (c->xmin<<shift); + + /* special case for first line */ + if (s->first_slice_line) { + c->pred_x= P_LEFT[0]; + c->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] < (c->ymin<<shift)) P_TOP[1] = (c->ymin<<shift); + if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift); + if(P_TOPRIGHT[1] < (c->ymin<<shift)) P_TOPRIGHT[1]= (c->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]); + + c->pred_x = P_MEDIAN[0]; + c->pred_y = P_MEDIAN[1]; + } + + dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift, 0, 16); + + 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], int ref_index, int f_code) +{ + MotionEstContext * const c= &s->me; + int mx, my, dmin; + 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 mv_penalty= c->mv_penalty[f_code] + MAX_MV; + int mv_scale; + + c->penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_cmp); + c->sub_penalty_factor= get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_sub_cmp); + c->mb_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->mb_cmp); + c->current_mv_penalty= mv_penalty; + + 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] > (c->xmax<<shift)) P_LEFT[0] = (c->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] > (c->ymax<<shift)) P_TOP[1]= (c->ymax<<shift); + if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift); + if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->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]); + } + c->pred_x= P_LEFT[0]; + c->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 = ff_epzs_motion_search(s, &mx, &my, P, 0, ref_index, s->p_mv_table, mv_scale, 0, 16); + + break; + } + + dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, ref_index, 0, 16); + + if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip) + dmin= ff_get_mb_score(s, mx, my, 0, ref_index, 0, 16, 1); + +//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, + 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 better f_code prediction (max mv & distance) + //FIXME pointers + MotionEstContext * const c= &s->me; + uint8_t * const mv_penalty_f= c->mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame + uint8_t * const mv_penalty_b= c->mv_penalty[s->b_code] + MAX_MV; // f_code of the prev frame + int stride= c->stride; + uint8_t *dest_y = c->scratchpad; + uint8_t *ptr; + int dxy; + int src_x, src_y; + int fbmin; + uint8_t **src_data= c->src[0]; + uint8_t **ref_data= c->ref[0]; + uint8_t **ref2_data= c->ref[2]; + + 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 = ref2_data[0] + (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 = ref2_data[0] + (src_y * stride) + src_x; + s->dsp.avg_pixels_tab[size][dxy](dest_y , ptr , stride, h); + } + + fbmin = (mv_penalty_f[motion_fx-pred_fx] + mv_penalty_f[motion_fy-pred_fy])*c->mb_penalty_factor + +(mv_penalty_b[motion_bx-pred_bx] + mv_penalty_b[motion_by-pred_by])*c->mb_penalty_factor + + s->dsp.mb_cmp[size](s, src_data[0], dest_y, stride, h); //FIXME new_pic + + if(c->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, int mb_x, int mb_y) +{ + MotionEstContext * const c= &s->me; + 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]; + const int flags= c->sub_flags; + const int qpel= flags&FLAG_QPEL; + const int shift= 1+qpel; + const int xmin= c->xmin<<shift; + const int ymin= c->ymin<<shift; + const int xmax= c->xmax<<shift; + const int ymax= c->ymax<<shift; + uint8_t map[8][8][8][8]; + + memset(map,0,sizeof(map)); +#define BIDIR_MAP(fx,fy,bx,by) \ + map[(motion_fx+fx)&7][(motion_fy+fy)&7][(motion_bx+bx)&7][(motion_by+by)&7] + BIDIR_MAP(0,0,0,0) = 1; + + fbmin= check_bidir_mv(s, motion_fx, motion_fy, + motion_bx, motion_by, + pred_fx, pred_fy, + pred_bx, pred_by, + 0, 16); + + if(s->avctx->bidir_refine){ + int score, end; +#define CHECK_BIDIR(fx,fy,bx,by)\ + if( !BIDIR_MAP(fx,fy,bx,by)\ + &&(fx<=0 || motion_fx+fx<=xmax) && (fy<=0 || motion_fy+fy<=ymax) && (bx<=0 || motion_bx+bx<=xmax) && (by<=0 || motion_by+by<=ymax)\ + &&(fx>=0 || motion_fx+fx>=xmin) && (fy>=0 || motion_fy+fy>=ymin) && (bx>=0 || motion_bx+bx>=xmin) && (by>=0 || motion_by+by>=ymin)){\ + BIDIR_MAP(fx,fy,bx,by) = 1;\ + score= check_bidir_mv(s, motion_fx+fx, motion_fy+fy, motion_bx+bx, motion_by+by, pred_fx, pred_fy, pred_bx, pred_by, 0, 16);\ + if(score < fbmin){\ + fbmin= score;\ + motion_fx+=fx;\ + motion_fy+=fy;\ + motion_bx+=bx;\ + motion_by+=by;\ + end=0;\ + }\ + } +#define CHECK_BIDIR2(a,b,c,d)\ +CHECK_BIDIR(a,b,c,d)\ +CHECK_BIDIR(-(a),-(b),-(c),-(d)) + +#define CHECK_BIDIRR(a,b,c,d)\ +CHECK_BIDIR2(a,b,c,d)\ +CHECK_BIDIR2(b,c,d,a)\ +CHECK_BIDIR2(c,d,a,b)\ +CHECK_BIDIR2(d,a,b,c) + + do{ + end=1; + + CHECK_BIDIRR( 0, 0, 0, 1) + if(s->avctx->bidir_refine > 1){ + CHECK_BIDIRR( 0, 0, 1, 1) + CHECK_BIDIR2( 0, 1, 0, 1) + CHECK_BIDIR2( 1, 0, 1, 0) + CHECK_BIDIRR( 0, 0,-1, 1) + CHECK_BIDIR2( 0,-1, 0, 1) + CHECK_BIDIR2(-1, 0, 1, 0) + if(s->avctx->bidir_refine > 2){ + CHECK_BIDIRR( 0, 1, 1, 1) + CHECK_BIDIRR( 0,-1, 1, 1) + CHECK_BIDIRR( 0, 1,-1, 1) + CHECK_BIDIRR( 0, 1, 1,-1) + if(s->avctx->bidir_refine > 3){ + CHECK_BIDIR2( 1, 1, 1, 1) + CHECK_BIDIRR( 1, 1, 1,-1) + CHECK_BIDIR2( 1, 1,-1,-1) + CHECK_BIDIR2( 1,-1,-1, 1) + CHECK_BIDIR2( 1,-1, 1,-1) + } + } + } + }while(!end); + } + + s->b_bidir_forw_mv_table[xy][0]= motion_fx; + s->b_bidir_forw_mv_table[xy][1]= motion_fy; + s->b_bidir_back_mv_table[xy][0]= motion_bx; + s->b_bidir_back_mv_table[xy][1]= motion_by; + + return fbmin; +} + +static inline int direct_search(MpegEncContext * s, int mb_x, int mb_y) +{ + MotionEstContext * const c= &s->me; + 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; + + c->current_mv_penalty= c->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; + + c->co_located_mv[i][0]= s->next_picture.motion_val[0][index][0]; + c->co_located_mv[i][1]= s->next_picture.motion_val[0][index][1]; + c->direct_basis_mv[i][0]= c->co_located_mv[i][0]*time_pb/time_pp + ((i& 1)<<(shift+3)); + c->direct_basis_mv[i][1]= c->co_located_mv[i][1]*time_pb/time_pp + ((i>>1)<<(shift+3)); +// c->direct_basis_mv[1][i][0]= c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(shift+3); +// c->direct_basis_mv[1][i][1]= c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(shift+3); + + max= FFMAX(c->direct_basis_mv[i][0], c->direct_basis_mv[i][0] - c->co_located_mv[i][0])>>shift; + min= FFMIN(c->direct_basis_mv[i][0], c->direct_basis_mv[i][0] - c->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(c->direct_basis_mv[i][1], c->direct_basis_mv[i][1] - c->co_located_mv[i][1])>>shift; + min= FFMIN(c->direct_basis_mv[i][1], c->direct_basis_mv[i][1] - c->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; + } + + c->xmin= xmin; + c->ymin= ymin; + c->xmax= xmax; + c->ymax= ymax; + c->flags |= FLAG_DIRECT; + c->sub_flags |= FLAG_DIRECT; + c->pred_x=0; + c->pred_y=0; + + 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]); + } + + dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, mv_table, 1<<(16-shift), 0, 16); + if(c->sub_flags&FLAG_QPEL) + dmin = qpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16); + else + dmin = hpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16); + + if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip) + dmin= ff_get_mb_score(s, mx, my, 0, 0, 0, 16, 1); + + get_limits(s, 16*mb_x, 16*mb_y); //restore c->?min/max, maybe not needed + + s->b_direct_mv_table[mot_xy][0]= mx; + s->b_direct_mv_table[mot_xy][1]= my; + c->flags &= ~FLAG_DIRECT; + c->sub_flags &= ~FLAG_DIRECT; + + return dmin; +} + +void ff_estimate_b_frame_motion(MpegEncContext * s, + int mb_x, int mb_y) +{ + MotionEstContext * const c= &s->me; + const int penalty_factor= c->mb_penalty_factor; + int fmin, bmin, dmin, fbmin, bimin, fimin; + int type=0; + const int xy = mb_y*s->mb_stride + mb_x; + init_ref(c, s->new_picture.data, s->last_picture.data, s->next_picture.data, 16*mb_x, 16*mb_y, 2); + + get_limits(s, 16*mb_x, 16*mb_y); + + c->skip=0; + if(c->avctx->me_threshold){ + int vard= check_input_motion(s, mb_x, mb_y, 0); + + if((vard+128)>>8 < c->avctx->me_threshold){ +// pix = c->src[0][0]; +// sum = s->dsp.pix_sum(pix, s->linesize); +// varc = s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500; + +// pic->mb_var [s->mb_stride * mb_y + mb_x] = (varc+128)>>8; + s->current_picture.mc_mb_var[s->mb_stride * mb_y + mb_x] = (vard+128)>>8; +/* pic->mb_mean [s->mb_stride * mb_y + mb_x] = (sum+128)>>8; + c->mb_var_sum_temp += (varc+128)>>8;*/ + c->mc_mb_var_sum_temp += (vard+128)>>8; +/* if (vard <= 64<<8 || vard < varc) { + c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc); + }else{ + c->scene_change_score+= s->qscale * s->avctx->scenechange_factor; + }*/ + return; + } + if((vard+128)>>8 < c->avctx->mb_threshold){ + type= s->mb_type[mb_y*s->mb_stride + mb_x]; + if(type == CANDIDATE_MB_TYPE_DIRECT){ + direct_search(s, mb_x, mb_y); + } + if(type == CANDIDATE_MB_TYPE_FORWARD || type == CANDIDATE_MB_TYPE_BIDIR){ + c->skip=0; + ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code); + } + if(type == CANDIDATE_MB_TYPE_BACKWARD || type == CANDIDATE_MB_TYPE_BIDIR){ + c->skip=0; + ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code); + } + if(type == CANDIDATE_MB_TYPE_FORWARD_I || type == CANDIDATE_MB_TYPE_BIDIR_I){ + c->skip=0; + c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV; + interlaced_search(s, 0, + s->b_field_mv_table[0], s->b_field_select_table[0], + s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1], 1); + } + if(type == CANDIDATE_MB_TYPE_BACKWARD_I || type == CANDIDATE_MB_TYPE_BIDIR_I){ + c->skip=0; + c->current_mv_penalty= c->mv_penalty[s->b_code] + MAX_MV; + interlaced_search(s, 2, + s->b_field_mv_table[1], s->b_field_select_table[1], + s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1], 1); + } + return; + } + } + + if (s->codec_id == CODEC_ID_MPEG4) + dmin= direct_search(s, mb_x, mb_y); + else + dmin= INT_MAX; +//FIXME penalty stuff for non mpeg4 + c->skip=0; + fmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code) + 3*penalty_factor; + + c->skip=0; + bmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code) + 2*penalty_factor; +//printf(" %d %d ", s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1]); + + c->skip=0; + fbmin= bidir_refine(s, mb_x, mb_y) + penalty_factor; +//printf("%d %d %d %d\n", dmin, fmin, bmin, fbmin); + + if(s->flags & CODEC_FLAG_INTERLACED_ME){ +//FIXME mb type penalty + c->skip=0; + c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV; + fimin= interlaced_search(s, 0, + s->b_field_mv_table[0], s->b_field_select_table[0], + s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1], 0); + c->current_mv_penalty= c->mv_penalty[s->b_code] + MAX_MV; + bimin= interlaced_search(s, 2, + s->b_field_mv_table[1], s->b_field_select_table[1], + s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1], 0); + }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; + c->mc_mb_var_sum_temp += score; + s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE + } + + if(c->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, range= s->avctx->me_range ? s->avctx->me_range : (INT_MAX/2); + uint8_t * fcode_tab= s->fcode_tab; + int best_fcode=-1; + int best_score=-10000000; + + if(s->msmpeg4_version) + range= FFMIN(range, 16); + else if(s->codec_id == CODEC_ID_MPEG2VIDEO && s->avctx->strict_std_compliance >= FF_COMPLIANCE_NORMAL) + range= FFMIN(range, 256); + + 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 mx= mv_table[xy][0]; + int my= mv_table[xy][1]; + int fcode= FFMAX(fcode_tab[mx + MAX_MV], + fcode_tab[my + MAX_MV]); + int j; + + if(mx >= range || mx < -range || + my >= range || my < -range) + continue; + + 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) +{ + MotionEstContext * const c= &s->me; + const int f_code= s->f_code; + int y, range; + assert(s->pict_type==P_TYPE); + + range = (((s->out_format == FMT_MPEG1 || s->msmpeg4_version) ? 8 : 16) << f_code); + + assert(range <= 16 || !s->msmpeg4_version); + assert(range <=256 || !(s->codec_id == CODEC_ID_MPEG2VIDEO && s->avctx->strict_std_compliance >= FF_COMPLIANCE_NORMAL)); + + if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range; + +//printf("%d no:%d %d//\n", clip, noclip, f_code); + if(s->flags&CODEC_FLAG_4MV){ + const int wrap= s->b8_stride; + + /* clip / convert to intra 8x8 type MVs */ + for(y=0; y<s->mb_height; y++){ + int xy= y*2*wrap; + 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) +{ + MotionEstContext * const c= &s->me; + int y, h_range, v_range; + + // RAL: 8 in MPEG-1, 16 in MPEG-4 + int range = (((s->out_format == FMT_MPEG1 || s->msmpeg4_version) ? 8 : 16) << f_code); + + if(c->avctx->me_range && range > c->avctx->me_range) range= c->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++; + } + } +} |