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Commit fd294c55 authored by Yunqing Wang's avatar Yunqing Wang Committed by Gerrit Code Review
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Merge "Merge mr_pick_inter_mode and pick_inter_mode"

parents 0ccefd2c c647ec44
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Showing with 325 additions and 735 deletions
vp8/encoder/encodeframe.c
View file @ fd294c55
......@@ -1186,23 +1186,8 @@ int vp8cx_encode_inter_macroblock
}
else
{
#if CONFIG_MULTI_RES_ENCODING
if (cpi->oxcf.mr_encoder_id == 0)
{
/* Lowest-resolution encoding */
vp8_pick_inter_mode(cpi, x, recon_yoffset, recon_uvoffset, &rate,
&distortion, &intra_error);
}else
{
/* Higher-resolution encoding */
vp8_mr_pick_inter_mode(cpi, x, recon_yoffset, recon_uvoffset, &rate,
&distortion, &intra_error, mb_row, mb_col);
}
#else
vp8_pick_inter_mode(cpi, x, recon_yoffset, recon_uvoffset, &rate,
&distortion, &intra_error);
#endif
&distortion, &intra_error, mb_row, mb_col);
}
cpi->prediction_error += distortion;
......
vp8/encoder/pickinter.c
View file @ fd294c55
......@@ -402,9 +402,68 @@ static void update_mvcount(VP8_COMP *cpi, MACROBLOCKD *xd, int_mv *best_ref_mv)
}
}
#if CONFIG_MULTI_RES_ENCODING
static
void get_lower_res_motion_info(VP8_COMP *cpi, MACROBLOCKD *xd, int *dissim,
int *parent_ref_frame,
MB_PREDICTION_MODE *parent_mode,
int_mv *parent_ref_mv, int mb_row, int mb_col)
{
LOWER_RES_INFO* store_mode_info
= (LOWER_RES_INFO*)cpi->oxcf.mr_low_res_mode_info;
unsigned int parent_mb_index;
//unsigned int parent_mb_index = map_640x480_to_320x240[mb_row][mb_col];
/* Consider different down_sampling_factor. */
{
/* TODO: Removed the loop that supports special down_sampling_factor
* such as 2, 4, 8. Will revisit it if needed.
* Should also try using a look-up table to see if it helps
* performance. */
int round = cpi->oxcf.mr_down_sampling_factor.num/2;
int parent_mb_row, parent_mb_col;
parent_mb_row = (mb_row*cpi->oxcf.mr_down_sampling_factor.den+round)
/cpi->oxcf.mr_down_sampling_factor.num;
parent_mb_col = (mb_col*cpi->oxcf.mr_down_sampling_factor.den+round)
/cpi->oxcf.mr_down_sampling_factor.num;
parent_mb_index = parent_mb_row*cpi->mr_low_res_mb_cols + parent_mb_col;
}
/* Read lower-resolution mode & motion result from memory.*/
*parent_ref_frame = store_mode_info[parent_mb_index].ref_frame;
*parent_mode = store_mode_info[parent_mb_index].mode;
*dissim = store_mode_info[parent_mb_index].dissim;
/* For highest-resolution encoder, adjust dissim value. Lower its quality
* for good performance. */
if (cpi->oxcf.mr_encoder_id == (cpi->oxcf.mr_total_resolutions - 1))
*dissim>>=1;
if(*parent_ref_frame != INTRA_FRAME)
{
/* Consider different down_sampling_factor.
* The result can be rounded to be more precise, but it takes more time.
*/
//int round = cpi->oxcf.mr_down_sampling_factor.den/2;
(*parent_ref_mv).as_mv.row = store_mode_info[parent_mb_index].mv.as_mv.row
*cpi->oxcf.mr_down_sampling_factor.num
/cpi->oxcf.mr_down_sampling_factor.den;
(*parent_ref_mv).as_mv.col = store_mode_info[parent_mb_index].mv.as_mv.col
*cpi->oxcf.mr_down_sampling_factor.num
/cpi->oxcf.mr_down_sampling_factor.den;
vp8_clamp_mv2(parent_ref_mv, xd);
}
}
#endif
void vp8_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset,
int recon_uvoffset, int *returnrate,
int *returndistortion, int *returnintra)
int *returndistortion, int *returnintra, int mb_row,
int mb_col)
{
BLOCK *b = &x->block[0];
BLOCKD *d = &x->e_mbd.block[0];
......@@ -422,12 +481,12 @@ void vp8_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset,
int rate;
int rate2;
int distortion2;
int bestsme;
//int all_rds[MAX_MODES]; // Experimental debug code.
int bestsme = INT_MAX;
int best_mode_index = 0;
unsigned int sse = INT_MAX, best_sse = INT_MAX;
int_mv mvp;
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)
......@@ -439,7 +498,19 @@ void vp8_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset,
int ref_frame_map[4];
int sign_bias = 0;
int have_subp_search = cpi->sf.half_pixel_search; /* In real-time mode, when Speed >= 15, no sub-pixel search. */
int have_subp_search = cpi->sf.half_pixel_search; /* In real-time mode,
when Speed >= 15, no sub-pixel search. */
#if CONFIG_MULTI_RES_ENCODING
int dissim = INT_MAX;
int parent_ref_frame = 0;
int_mv parent_ref_mv;
MB_PREDICTION_MODE parent_mode = 0;
if (cpi->oxcf.mr_encoder_id)
get_lower_res_motion_info(cpi, xd, &dissim, &parent_ref_frame,
&parent_mode, &parent_ref_mv, mb_row, mb_col);
#endif
vpx_memset(mode_mv, 0, sizeof(mode_mv));
vpx_memset(&best_mbmode, 0, sizeof(best_mbmode));
......@@ -497,7 +568,7 @@ void vp8_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset,
v_buffer[ALTREF_FRAME] = alt_yv12->v_buffer + recon_uvoffset;
}
cpi->mbs_tested_so_far++; // Count of the number of MBs tested so far this frame
cpi->mbs_tested_so_far++; // Count of the number of MBs tested so far this frame
*returnintra = INT_MAX;
x->skip = 0;
......@@ -520,44 +591,21 @@ void vp8_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset,
x->e_mbd.mode_info_context->mbmi.ref_frame = this_ref_frame;
// Check to see if the testing frequency for this mode is at its max
// If so then prevent it from being tested and increase the threshold for its testing
if (cpi->mode_test_hit_counts[mode_index] && (cpi->mode_check_freq[mode_index] > 1))
#if CONFIG_MULTI_RES_ENCODING
if (cpi->oxcf.mr_encoder_id)
{
//if ( (cpi->mbs_tested_so_far / cpi->mode_test_hit_counts[mode_index]) <= cpi->mode_check_freq[mode_index] )
if (cpi->mbs_tested_so_far <= (cpi->mode_check_freq[mode_index] * cpi->mode_test_hit_counts[mode_index]))
{
// Increase the threshold for coding this mode to make it less likely to be chosen
cpi->rd_thresh_mult[mode_index] += 4;
if (cpi->rd_thresh_mult[mode_index] > MAX_THRESHMULT)
cpi->rd_thresh_mult[mode_index] = MAX_THRESHMULT;
cpi->rd_threshes[mode_index] = (cpi->rd_baseline_thresh[mode_index] >> 7) * cpi->rd_thresh_mult[mode_index];
/* If parent MB is intra, child MB is intra. */
if (!parent_ref_frame && this_ref_frame)
continue;
/* If parent MB is inter, and it is unlikely there are multiple
* objects in parent MB, we use parent ref frame as child MB's
* ref frame. */
if (parent_ref_frame && dissim < 8
&& parent_ref_frame != this_ref_frame)
continue;
}
}
// We have now reached the point where we are going to test the current mode so increment the counter for the number of times it has been tested
cpi->mode_test_hit_counts[mode_index] ++;
rate2 = 0;
distortion2 = 0;
this_mode = vp8_mode_order[mode_index];
// Experimental debug code.
//all_rds[mode_index] = -1;
x->e_mbd.mode_info_context->mbmi.mode = this_mode;
x->e_mbd.mode_info_context->mbmi.uv_mode = DC_PRED;
// Work out the cost assosciated with selecting the reference frame
frame_cost =
x->e_mbd.ref_frame_cost[x->e_mbd.mode_info_context->mbmi.ref_frame];
rate2 += frame_cost;
#endif
// everything but intra
if (x->e_mbd.mode_info_context->mbmi.ref_frame)
......@@ -578,21 +626,82 @@ void vp8_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset,
sign_bias
= cpi->common.ref_frame_sign_bias[x->e_mbd.mode_info_context->mbmi.ref_frame];
}
#if CONFIG_MULTI_RES_ENCODING
if (cpi->oxcf.mr_encoder_id)
{
if (vp8_mode_order[mode_index] == NEARESTMV &&
mode_mv[NEARESTMV].as_int ==0)
continue;
if (vp8_mode_order[mode_index] == NEARMV &&
mode_mv[NEARMV].as_int ==0)
continue;
if (vp8_mode_order[mode_index] == NEWMV && parent_mode == ZEROMV
&& best_ref_mv.as_int==0) //&& dissim==0
continue;
else if(vp8_mode_order[mode_index] == NEWMV && dissim==0
&& best_ref_mv.as_int==parent_ref_mv.as_int)
continue;
}
#endif
}
/* Check to see if the testing frequency for this mode is at its max
* If so then prevent it from being tested and increase the threshold
* for its testing */
if (cpi->mode_test_hit_counts[mode_index] &&
(cpi->mode_check_freq[mode_index] > 1))
{
if (cpi->mbs_tested_so_far <= (cpi->mode_check_freq[mode_index] *
cpi->mode_test_hit_counts[mode_index]))
{
/* Increase the threshold for coding this mode to make it less
* likely to be chosen */
cpi->rd_thresh_mult[mode_index] += 4;
if (cpi->rd_thresh_mult[mode_index] > MAX_THRESHMULT)
cpi->rd_thresh_mult[mode_index] = MAX_THRESHMULT;
cpi->rd_threshes[mode_index] =
(cpi->rd_baseline_thresh[mode_index] >> 7) *
cpi->rd_thresh_mult[mode_index];
continue;
}
}
// Only consider ZEROMV/ALTREF_FRAME for alt ref frame,
// unless ARNR filtering is enabled in which case we want
// an unfiltered alternative
/* We have now reached the point where we are going to test the current
* mode so increment the counter for the number of times it has been
* tested */
cpi->mode_test_hit_counts[mode_index] ++;
rate2 = 0;
distortion2 = 0;
this_mode = vp8_mode_order[mode_index];
x->e_mbd.mode_info_context->mbmi.mode = this_mode;
x->e_mbd.mode_info_context->mbmi.uv_mode = DC_PRED;
/* Work out the cost assosciated with selecting the reference frame */
frame_cost =
x->e_mbd.ref_frame_cost[x->e_mbd.mode_info_context->mbmi.ref_frame];
rate2 += frame_cost;
/* Only consider ZEROMV/ALTREF_FRAME for alt ref frame,
* unless ARNR filtering is enabled in which case we want
* an unfiltered alternative */
if (cpi->is_src_frame_alt_ref && (cpi->oxcf.arnr_max_frames == 0))
{
if (this_mode != ZEROMV || x->e_mbd.mode_info_context->mbmi.ref_frame != ALTREF_FRAME)
if (this_mode != ZEROMV ||
x->e_mbd.mode_info_context->mbmi.ref_frame != ALTREF_FRAME)
continue;
}
switch (this_mode)
{
case B_PRED:
// Pass best so far to pick_intra4x4mby_modes to use as breakout
/* Pass best so far to pick_intra4x4mby_modes to use as breakout */
distortion2 = best_sse;
pick_intra4x4mby_modes(IF_RTCD(&cpi->rtcd), x, &rate, &distortion2);
......@@ -651,10 +760,14 @@ void vp8_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset,
int sadpb = x->sadperbit16;
int_mv mvp_full;
int col_min = (best_ref_mv.as_mv.col>>3) - MAX_FULL_PEL_VAL + ((best_ref_mv.as_mv.col & 7)?1:0);
int row_min = (best_ref_mv.as_mv.row>>3) - MAX_FULL_PEL_VAL + ((best_ref_mv.as_mv.row & 7)?1:0);
int col_max = (best_ref_mv.as_mv.col>>3) + MAX_FULL_PEL_VAL;
int row_max = (best_ref_mv.as_mv.row>>3) + MAX_FULL_PEL_VAL;
int col_min = (best_ref_mv.as_mv.col>>3)
- MAX_FULL_PEL_VAL + ((best_ref_mv.as_mv.col & 7)?1:0);
int row_min = (best_ref_mv.as_mv.row>>3)
- MAX_FULL_PEL_VAL + ((best_ref_mv.as_mv.row & 7)?1:0);
int col_max = (best_ref_mv.as_mv.col>>3)
+ MAX_FULL_PEL_VAL;
int row_max = (best_ref_mv.as_mv.row>>3)
+ MAX_FULL_PEL_VAL;
int tmp_col_min = x->mv_col_min;
int tmp_col_max = x->mv_col_max;
......@@ -666,118 +779,156 @@ void vp8_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset,
// Further step/diamond searches as necessary
step_param = cpi->sf.first_step + speed_adjust;
if(cpi->sf.improved_mv_pred)
#if CONFIG_MULTI_RES_ENCODING
if (cpi->oxcf.mr_encoder_id)
{
// Use parent MV as predictor. Adjust search range accordingly.
mvp.as_int = parent_ref_mv.as_int;
mvp_full.as_mv.col = parent_ref_mv.as_mv.col>>3;
mvp_full.as_mv.row = parent_ref_mv.as_mv.row>>3;
if(dissim <=32) step_param += 3;
else if(dissim <=128) step_param += 2;
else step_param += 1;
}else
#endif
{
if(!saddone)
if(cpi->sf.improved_mv_pred)
{
vp8_cal_sad(cpi,xd,x, recon_yoffset ,&near_sadidx[0] );
saddone = 1;
}
if(!saddone)
{
vp8_cal_sad(cpi,xd,x, recon_yoffset ,&near_sadidx[0] );
saddone = 1;
}
vp8_mv_pred(cpi, &x->e_mbd, x->e_mbd.mode_info_context, &mvp,
x->e_mbd.mode_info_context->mbmi.ref_frame, cpi->common.ref_frame_sign_bias, &sr, &near_sadidx[0]);
vp8_mv_pred(cpi, &x->e_mbd, x->e_mbd.mode_info_context,
&mvp,x->e_mbd.mode_info_context->mbmi.ref_frame,
cpi->common.ref_frame_sign_bias, &sr,
&near_sadidx[0]);
sr += speed_adjust;
//adjust search range according to sr from mv prediction
if(sr > step_param)
step_param = sr;
sr += speed_adjust;
//adjust search range according to sr from mv prediction
if(sr > step_param)
step_param = sr;
mvp_full.as_mv.col = mvp.as_mv.col>>3;
mvp_full.as_mv.row = mvp.as_mv.row>>3;
mvp_full.as_mv.col = mvp.as_mv.col>>3;
mvp_full.as_mv.row = mvp.as_mv.row>>3;
}else
{
mvp.as_int = best_ref_mv.as_int;
mvp_full.as_mv.col = best_ref_mv.as_mv.col>>3;
mvp_full.as_mv.row = best_ref_mv.as_mv.row>>3;
}
}
}else
#if CONFIG_MULTI_RES_ENCODING
if (cpi->oxcf.mr_encoder_id && dissim <= 2 &&
MAX(abs(best_ref_mv.as_mv.row - parent_ref_mv.as_mv.row),
abs(best_ref_mv.as_mv.col - parent_ref_mv.as_mv.col)) <= 4)
{
mvp.as_int = best_ref_mv.as_int;
mvp_full.as_mv.col = best_ref_mv.as_mv.col>>3;
mvp_full.as_mv.row = best_ref_mv.as_mv.row>>3;
}
d->bmi.mv.as_int = mvp_full.as_int;
mode_mv[NEWMV].as_int = mvp_full.as_int;
// Get intersection of UMV window and valid MV window to reduce # of checks in diamond search.
if (x->mv_col_min < col_min )
x->mv_col_min = col_min;
if (x->mv_col_max > col_max )
x->mv_col_max = col_max;
if (x->mv_row_min < row_min )
x->mv_row_min = row_min;
if (x->mv_row_max > row_max )
x->mv_row_max = row_max;
cpi->find_fractional_mv_step(x, b, d, &d->bmi.mv, &best_ref_mv,
x->errorperbit,
&cpi->fn_ptr[BLOCK_16X16],
cpi->mb.mvcost,
&distortion2,&sse);
}else
#endif
{
/* Get intersection of UMV window and valid MV window to
* reduce # of checks in diamond search. */
if (x->mv_col_min < col_min )
x->mv_col_min = col_min;
if (x->mv_col_max > col_max )
x->mv_col_max = col_max;
if (x->mv_row_min < row_min )
x->mv_row_min = row_min;
if (x->mv_row_max > row_max )
x->mv_row_max = row_max;
further_steps = (cpi->Speed >= 8)? 0: (cpi->sf.max_step_search_steps - 1 - step_param);
further_steps = (cpi->Speed >= 8)?
0: (cpi->sf.max_step_search_steps - 1 - step_param);
if (cpi->sf.search_method == HEX)
{
if (cpi->sf.search_method == HEX)
{
#if CONFIG_MULTI_RES_ENCODING
/* TODO: In higher-res pick_inter_mode, step_param is used to
* modify hex search range. Here, set step_param to 0 not to
* change the behavior in lowest-resolution encoder.
* Will improve it later.
*/
step_param = 0;
if (!cpi->oxcf.mr_encoder_id)
step_param = 0;
#endif
bestsme = vp8_hex_search(x, b, d, &mvp_full, &d->bmi.mv, step_param,
sadpb, &cpi->fn_ptr[BLOCK_16X16],
x->mvsadcost, x->mvcost, &best_ref_mv);
mode_mv[NEWMV].as_int = d->bmi.mv.as_int;
}
else
{
bestsme = cpi->diamond_search_sad(x, b, d, &mvp_full, &d->bmi.mv,
step_param, sadpb, &num00,
&cpi->fn_ptr[BLOCK_16X16],
x->mvcost, &best_ref_mv);
mode_mv[NEWMV].as_int = d->bmi.mv.as_int;
// Further step/diamond searches as necessary
n = 0;
//further_steps = (cpi->sf.max_step_search_steps - 1) - step_param;
bestsme = vp8_hex_search(x, b, d, &mvp_full, &d->bmi.mv,
step_param, sadpb,
&cpi->fn_ptr[BLOCK_16X16],
x->mvsadcost, x->mvcost, &best_ref_mv);
mode_mv[NEWMV].as_int = d->bmi.mv.as_int;
}
else
{
bestsme = cpi->diamond_search_sad(x, b, d, &mvp_full,
&d->bmi.mv, step_param, sadpb, &num00,
&cpi->fn_ptr[BLOCK_16X16],
x->mvcost, &best_ref_mv);
mode_mv[NEWMV].as_int = d->bmi.mv.as_int;
n = num00;
num00 = 0;
// Further step/diamond searches as necessary
n = 0;
//further_steps = (cpi->sf.max_step_search_steps - 1) - step_param;
while (n < further_steps)
{
n++;
n = num00;
num00 = 0;
if (num00)
num00--;
else
while (n < further_steps)
{
thissme =
cpi->diamond_search_sad(x, b, d, &mvp_full,
&d->bmi.mv,
step_param + n,
sadpb, &num00,
&cpi->fn_ptr[BLOCK_16X16],
x->mvcost, &best_ref_mv);
if (thissme < bestsme)
{
bestsme = thissme;
mode_mv[NEWMV].as_int = d->bmi.mv.as_int;
}
n++;
if (num00)
num00--;
else
{
d->bmi.mv.as_int = mode_mv[NEWMV].as_int;
thissme =
cpi->diamond_search_sad(x, b, d, &mvp_full,
&d->bmi.mv,
step_param + n,
sadpb, &num00,
&cpi->fn_ptr[BLOCK_16X16],
x->mvcost, &best_ref_mv);
if (thissme < bestsme)
{
bestsme = thissme;
mode_mv[NEWMV].as_int = d->bmi.mv.as_int;
}
else
{
d->bmi.mv.as_int = mode_mv[NEWMV].as_int;
}
}
}
}
}
x->mv_col_min = tmp_col_min;
x->mv_col_max = tmp_col_max;
x->mv_row_min = tmp_row_min;
x->mv_row_max = tmp_row_max;
x->mv_col_min = tmp_col_min;
x->mv_col_max = tmp_col_max;
x->mv_row_min = tmp_row_min;
x->mv_row_max = tmp_row_max;
if (bestsme < INT_MAX)
cpi->find_fractional_mv_step(x, b, d, &d->bmi.mv, &best_ref_mv,
x->errorperbit,
if (bestsme < INT_MAX)
cpi->find_fractional_mv_step(x, b, d, &d->bmi.mv,
&best_ref_mv, x->errorperbit,
&cpi->fn_ptr[BLOCK_16X16],
cpi->mb.mvcost,
&distortion2,&sse);
}
mode_mv[NEWMV].as_int = d->bmi.mv.as_int;
// mv cost;
rate2 += vp8_mv_bit_cost(&mode_mv[NEWMV], &best_ref_mv, cpi->mb.mvcost, 128);
rate2 += vp8_mv_bit_cost(&mode_mv[NEWMV], &best_ref_mv,
cpi->mb.mvcost, 128);
}
case NEARESTMV:
......@@ -788,18 +939,23 @@ void vp8_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset,
case ZEROMV:
// Trap vectors that reach beyond the UMV borders
// Note that ALL New MV, Nearest MV Near MV and Zero MV code drops through to this point
// because of the lack of break statements in the previous two cases.
if (((mode_mv[this_mode].as_mv.row >> 3) < x->mv_row_min) || ((mode_mv[this_mode].as_mv.row >> 3) > x->mv_row_max) ||
((mode_mv[this_mode].as_mv.col >> 3) < x->mv_col_min) || ((mode_mv[this_mode].as_mv.col >> 3) > x->mv_col_max))
/* Trap vectors that reach beyond the UMV borders
* Note that ALL New MV, Nearest MV Near MV and Zero MV code drops
* through to this point because of the lack of break statements
* in the previous two cases.
*/
if (((mode_mv[this_mode].as_mv.row >> 3) < x->mv_row_min) ||
((mode_mv[this_mode].as_mv.row >> 3) > x->mv_row_max) ||
((mode_mv[this_mode].as_mv.col >> 3) < x->mv_col_min) ||
((mode_mv[this_mode].as_mv.col >> 3) > x->mv_col_max))
continue;
rate2 += vp8_cost_mv_ref(this_mode, mdcounts);
x->e_mbd.mode_info_context->mbmi.mv.as_int =
mode_mv[this_mode].as_int;
/* Exit early and don't compute the distortion if this macroblock is marked inactive. */
/* Exit early and don't compute the distortion if this macroblock
* is marked inactive. */
if (cpi->active_map_enabled && x->active_ptr[0] == 0)
{
sse = 0;
......@@ -834,9 +990,6 @@ void vp8_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset,
break;
}
// Experimental debug code.
//all_rds[mode_index] = this_rd;
if (this_rd < best_rd || x->skip)
{
// Note index of best mode
......@@ -846,14 +999,23 @@ void vp8_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset,
*returndistortion = distortion2;
best_sse = sse;
best_rd = this_rd;
vpx_memcpy(&best_mbmode, &x->e_mbd.mode_info_context->mbmi, sizeof(MB_MODE_INFO));
// Testing this mode gave rise to an improvement in best error score. Lower threshold a bit for next time
cpi->rd_thresh_mult[mode_index] = (cpi->rd_thresh_mult[mode_index] >= (MIN_THRESHMULT + 2)) ? cpi->rd_thresh_mult[mode_index] - 2 : MIN_THRESHMULT;
cpi->rd_threshes[mode_index] = (cpi->rd_baseline_thresh[mode_index] >> 7) * cpi->rd_thresh_mult[mode_index];
vpx_memcpy(&best_mbmode, &x->e_mbd.mode_info_context->mbmi,
sizeof(MB_MODE_INFO));
/* Testing this mode gave rise to an improvement in best error
* score. Lower threshold a bit for next time
*/
cpi->rd_thresh_mult[mode_index] =
(cpi->rd_thresh_mult[mode_index] >= (MIN_THRESHMULT + 2)) ?
cpi->rd_thresh_mult[mode_index] - 2 : MIN_THRESHMULT;
cpi->rd_threshes[mode_index] =
(cpi->rd_baseline_thresh[mode_index] >> 7) *
cpi->rd_thresh_mult[mode_index];