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Merge "Refine motion vector prediction for NEWMV mode"

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Yunqing Wang 2011-01-27 08:10:53 -08:00 committed by Code Review
commit 3ee4e1e79f
2 changed files with 63 additions and 62 deletions
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39
vp8/encoder/onyx_if.c
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@ -2224,9 +2224,9 @@ VP8_PTR vp8_create_compressor(VP8_CONFIG *oxcf)
cpi->gold_is_alt = 0 ;
// allocate memory for storing last frame's MVs for MV prediction.
CHECK_MEM_ERROR(cpi->lfmv, vpx_calloc((cpi->common.mb_rows+1) * (cpi->common.mb_cols+1), sizeof(int_mv)));
CHECK_MEM_ERROR(cpi->lf_ref_frame_sign_bias, vpx_calloc((cpi->common.mb_rows+1) * (cpi->common.mb_cols+1), sizeof(int)));
CHECK_MEM_ERROR(cpi->lf_ref_frame, vpx_calloc((cpi->common.mb_rows+1) * (cpi->common.mb_cols+1), sizeof(int)));
CHECK_MEM_ERROR(cpi->lfmv, vpx_calloc((cpi->common.mb_rows+2) * (cpi->common.mb_cols+2), sizeof(int_mv)));
CHECK_MEM_ERROR(cpi->lf_ref_frame_sign_bias, vpx_calloc((cpi->common.mb_rows+2) * (cpi->common.mb_cols+2), sizeof(int)));
CHECK_MEM_ERROR(cpi->lf_ref_frame, vpx_calloc((cpi->common.mb_rows+2) * (cpi->common.mb_cols+2), sizeof(int)));
// Create the encoder segmentation map and set all entries to 0
CHECK_MEM_ERROR(cpi->segmentation_map, vpx_calloc(cpi->common.mb_rows * cpi->common.mb_cols, 1));
@ -4390,30 +4390,31 @@ static void encode_frame_to_data_rate
}
// This frame's MVs are saved and will be used in next frame's MV prediction.
// Last frame has one more line(add to bottom) and one more column(add to right) than cm->mip. The edge elements are initialized to 0.
if(cm->show_frame) //do not save for altref frame
{
int mb_row;
int mb_col;
MODE_INFO *tmp = cm->mip; //point to beginning of allocated MODE_INFO arrays.
//static int last_video_frame = 0;
int mb_row;
int mb_col;
MODE_INFO *tmp = cm->mip; //point to beginning of allocated MODE_INFO arrays.
if(cm->frame_type != KEY_FRAME)
{
for (mb_row = 0; mb_row < cm->mb_rows+1; mb_row ++)
if(cm->frame_type != KEY_FRAME)
{
for (mb_col = 0; mb_col < cm->mb_cols+1; mb_col ++)
{
if(tmp->mbmi.ref_frame != INTRA_FRAME)
cpi->lfmv[mb_col + mb_row*(cm->mode_info_stride)].as_int = tmp->mbmi.mv.as_int;
for (mb_row = 0; mb_row < cm->mb_rows+1; mb_row ++)
{
for (mb_col = 0; mb_col < cm->mb_cols+1; mb_col ++)
{
if(tmp->mbmi.ref_frame != INTRA_FRAME)
cpi->lfmv[mb_col + mb_row*(cm->mode_info_stride+1)].as_int = tmp->mbmi.mv.as_int;
cpi->lf_ref_frame_sign_bias[mb_col + mb_row*(cm->mode_info_stride)] = cm->ref_frame_sign_bias[tmp->mbmi.ref_frame];
cpi->lf_ref_frame[mb_col + mb_row*(cm->mode_info_stride)] = tmp->mbmi.ref_frame;
tmp++;
}
cpi->lf_ref_frame_sign_bias[mb_col + mb_row*(cm->mode_info_stride+1)] = cm->ref_frame_sign_bias[tmp->mbmi.ref_frame];
cpi->lf_ref_frame[mb_col + mb_row*(cm->mode_info_stride+1)] = tmp->mbmi.ref_frame;
tmp++;
}
}
}
}
}
// Update the GF useage maps.
// Update the GF useage maps.
// This is done after completing the compression of a frame when all modes etc. are finalized but before loop filter
vp8_update_gf_useage_maps(cpi, cm, &cpi->mb);

86
vp8/encoder/rdopt.c
View File

@ -1566,23 +1566,23 @@ static void vp8_mv_pred
const MODE_INFO *above = here - xd->mode_info_stride;
const MODE_INFO *left = here - 1;
const MODE_INFO *aboveleft = above - 1;
int_mv near_mvs[7];
int near_ref[7];
int_mv near_mvs[8];
int near_ref[8];
int_mv mv;
int vcnt=0;
int find=0;
int mb_offset;
int mvx[7];
int mvy[7];
int mvx[8];
int mvy[8];
int i;
mv.as_int = 0;
if(here->mbmi.ref_frame != INTRA_FRAME)
{
near_mvs[0].as_int = near_mvs[1].as_int = near_mvs[2].as_int = near_mvs[3].as_int = near_mvs[4].as_int = near_mvs[5].as_int = near_mvs[6].as_int = 0;
near_ref[0] = near_ref[1] = near_ref[2] = near_ref[3] = near_ref[4] = near_ref[5] = near_ref[6] = 0;
near_mvs[0].as_int = near_mvs[1].as_int = near_mvs[2].as_int = near_mvs[3].as_int = near_mvs[4].as_int = near_mvs[5].as_int = near_mvs[6].as_int = near_mvs[7].as_int = 0;
near_ref[0] = near_ref[1] = near_ref[2] = near_ref[3] = near_ref[4] = near_ref[5] = near_ref[6] = near_ref[7] = 0;
// read in 3 nearby block's MVs from current frame as prediction candidates.
if (above->mbmi.ref_frame != INTRA_FRAME)
@ -1607,10 +1607,10 @@ static void vp8_mv_pred
}
vcnt++;
// read in 4 nearby block's MVs from last frame.
// read in 5 nearby block's MVs from last frame.
if(cpi->common.last_frame_type != KEY_FRAME)
{
mb_offset = (-xd->mb_to_top_edge/128 + 1) * (xd->mode_info_stride) + (-xd->mb_to_left_edge/128 +1) ;
mb_offset = (-xd->mb_to_top_edge/128 + 1) * (xd->mode_info_stride +1) + (-xd->mb_to_left_edge/128 +1) ;
// current in last frame
if (cpi->lf_ref_frame[mb_offset] != INTRA_FRAME)
@ -1622,11 +1622,11 @@ static void vp8_mv_pred
vcnt++;
// above in last frame
if (cpi->lf_ref_frame[mb_offset - xd->mode_info_stride] != INTRA_FRAME)
if (cpi->lf_ref_frame[mb_offset - xd->mode_info_stride-1] != INTRA_FRAME)
{
near_mvs[vcnt].as_int = cpi->lfmv[mb_offset - xd->mode_info_stride].as_int;
lf_mv_bias(cpi->lf_ref_frame_sign_bias[mb_offset - xd->mode_info_stride], refframe, &near_mvs[vcnt], ref_frame_sign_bias);
near_ref[vcnt] = cpi->lf_ref_frame[mb_offset - xd->mode_info_stride];
near_mvs[vcnt].as_int = cpi->lfmv[mb_offset - xd->mode_info_stride-1].as_int;
lf_mv_bias(cpi->lf_ref_frame_sign_bias[mb_offset - xd->mode_info_stride-1], refframe, &near_mvs[vcnt], ref_frame_sign_bias);
near_ref[vcnt] = cpi->lf_ref_frame[mb_offset - xd->mode_info_stride-1];
}
vcnt++;
@ -1639,12 +1639,21 @@ static void vp8_mv_pred
}
vcnt++;
// aboveleft in last frame
if (cpi->lf_ref_frame[mb_offset - xd->mode_info_stride -1] != INTRA_FRAME)
// right in last frame
if (cpi->lf_ref_frame[mb_offset +1] != INTRA_FRAME)
{
near_mvs[vcnt].as_int = cpi->lfmv[mb_offset - xd->mode_info_stride -1].as_int;
lf_mv_bias(cpi->lf_ref_frame_sign_bias[mb_offset - xd->mode_info_stride -1], refframe, &near_mvs[vcnt], ref_frame_sign_bias);
near_ref[vcnt] = cpi->lf_ref_frame[mb_offset - xd->mode_info_stride -1];
near_mvs[vcnt].as_int = cpi->lfmv[mb_offset +1].as_int;
lf_mv_bias(cpi->lf_ref_frame_sign_bias[mb_offset +1], refframe, &near_mvs[vcnt], ref_frame_sign_bias);
near_ref[vcnt] = cpi->lf_ref_frame[mb_offset +1];
}
vcnt++;
// below in last frame
if (cpi->lf_ref_frame[mb_offset + xd->mode_info_stride +1] != INTRA_FRAME)
{
near_mvs[vcnt].as_int = cpi->lfmv[mb_offset + xd->mode_info_stride +1].as_int;
lf_mv_bias(cpi->lf_ref_frame_sign_bias[mb_offset + xd->mode_info_stride +1], refframe, &near_mvs[vcnt], ref_frame_sign_bias);
near_ref[vcnt] = cpi->lf_ref_frame[mb_offset + xd->mode_info_stride +1];
}
vcnt++;
}
@ -1657,9 +1666,7 @@ static void vp8_mv_pred
{
mv.as_int = near_mvs[near_sadidx[i]].as_int;
find = 1;
if(vcnt<2)
*sr = 4;
else if (vcnt<4)
if (i < 3)
*sr = 3;
else
*sr = 2;
@ -1729,8 +1736,8 @@ int vp8_rd_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset, int
int force_no_skip = 0;
MV mvp;
int near_sad[7]; // 0-cf above, 1-cf left, 2-cf aboveleft, 3-lf current, 4-lf above, 5-lf left, 6-lf aboveleft
int near_sadidx[7] = {0, 1, 2, 3, 4, 5, 6};
int near_sad[8] = {0}; // 0-cf above, 1-cf left, 2-cf aboveleft, 3-lf current, 4-lf above, 5-lf left, 6-lf right, 7-lf below
int near_sadidx[8] = {0, 1, 2, 3, 4, 5, 6, 7};
int saddone=0;
int sr=0; //search range got from mv_pred(). It uses step_param levels. (0-7)
@ -1902,36 +1909,29 @@ int vp8_rd_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset, int
if(cpi->common.last_frame_type != KEY_FRAME)
{
//calculate sad for last frame 4 nearby MBs.
//calculate sad for last frame 5 nearby MBs.
unsigned char *pre_y_buffer = cpi->common.yv12_fb[cpi->common.lst_fb_idx].y_buffer + recon_yoffset;
int pre_y_stride = cpi->common.yv12_fb[cpi->common.lst_fb_idx].y_stride;
if( xd->mb_to_top_edge==0 && xd->mb_to_left_edge ==0)
{
near_sad[4] = near_sad[5] = near_sad[6] = INT_MAX;
near_sad[3] = cpi->fn_ptr[BLOCK_16X16].sdf(x->src.y_buffer, x->src.y_stride, pre_y_buffer, pre_y_stride, 0x7fffffff);
}else if(xd->mb_to_top_edge==0)
{ //only has left MB for sad calculation.
near_sad[4] = near_sad[6] = INT_MAX;
near_sad[3] = cpi->fn_ptr[BLOCK_16X16].sdf(x->src.y_buffer, x->src.y_stride, pre_y_buffer, pre_y_stride, 0x7fffffff);
near_sad[5] = cpi->fn_ptr[BLOCK_16X16].sdf(x->src.y_buffer, x->src.y_stride, pre_y_buffer - 16, pre_y_stride, 0x7fffffff);
}else if(xd->mb_to_left_edge ==0)
{ //only has left MB for sad calculation.
near_sad[5] = near_sad[6] = INT_MAX;
near_sad[3] = cpi->fn_ptr[BLOCK_16X16].sdf(x->src.y_buffer, x->src.y_stride, pre_y_buffer, pre_y_stride, 0x7fffffff);
near_sad[4] = cpi->fn_ptr[BLOCK_16X16].sdf(x->src.y_buffer, x->src.y_stride, pre_y_buffer - pre_y_stride *16, pre_y_stride, 0x7fffffff);
}else
{
near_sad[3] = cpi->fn_ptr[BLOCK_16X16].sdf(x->src.y_buffer, x->src.y_stride, pre_y_buffer, pre_y_stride, 0x7fffffff);
if(xd->mb_to_top_edge==0) near_sad[4] = INT_MAX;
if(xd->mb_to_left_edge ==0) near_sad[5] = INT_MAX;
if(xd->mb_to_right_edge ==0) near_sad[6] = INT_MAX;
if(xd->mb_to_bottom_edge==0) near_sad[7] = INT_MAX;
if(near_sad[4] != INT_MAX)
near_sad[4] = cpi->fn_ptr[BLOCK_16X16].sdf(x->src.y_buffer, x->src.y_stride, pre_y_buffer - pre_y_stride *16, pre_y_stride, 0x7fffffff);
if(near_sad[5] != INT_MAX)
near_sad[5] = cpi->fn_ptr[BLOCK_16X16].sdf(x->src.y_buffer, x->src.y_stride, pre_y_buffer - 16, pre_y_stride, 0x7fffffff);
near_sad[6] = cpi->fn_ptr[BLOCK_16X16].sdf(x->src.y_buffer, x->src.y_stride, pre_y_buffer - pre_y_stride *16 -16, pre_y_stride, 0x7fffffff);
}
near_sad[3] = cpi->fn_ptr[BLOCK_16X16].sdf(x->src.y_buffer, x->src.y_stride, pre_y_buffer, pre_y_stride, 0x7fffffff);
if(near_sad[6] != INT_MAX)
near_sad[6] = cpi->fn_ptr[BLOCK_16X16].sdf(x->src.y_buffer, x->src.y_stride, pre_y_buffer + 16, pre_y_stride, 0x7fffffff);
if(near_sad[7] != INT_MAX)
near_sad[7] = cpi->fn_ptr[BLOCK_16X16].sdf(x->src.y_buffer, x->src.y_stride, pre_y_buffer + pre_y_stride *16, pre_y_stride, 0x7fffffff);
}
if(cpi->common.last_frame_type != KEY_FRAME)
{
quicksortsad(near_sad, near_sadidx, 0, 6);
quicksortsad(near_sad, near_sadidx, 0, 7);
}else
{
quicksortsad(near_sad, near_sadidx, 0, 2);