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Adding get_search_range() function.

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Change-Id: I988eea8f78f71135b914661420c5c75674e5c010
This commit is contained in:
Dmitry Kovalev 2014-04-15 14:40:40 -07:00
parent e58ea39fd0
commit 0739cab86c
1 changed files with 18 additions and 14 deletions
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32
vp9/encoder/vp9_firstpass.c
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@ -385,25 +385,31 @@ static unsigned int get_prediction_error(BLOCK_SIZE bsize,
return sse; return sse;
} }
// Refine the motion search range according to the frame dimension
// for first pass test.
static int get_search_range(const VP9_COMMON *cm) {
int sr = 0;
const int dim = MIN(cm->width, cm->height);
while ((dim << sr) < MAX_FULL_PEL_VAL)
++sr;
return sr;
}
static void first_pass_motion_search(VP9_COMP *cpi, MACROBLOCK *x, static void first_pass_motion_search(VP9_COMP *cpi, MACROBLOCK *x,
const MV *ref_mv, MV *best_mv, const MV *ref_mv, MV *best_mv,
int *best_motion_err) { int *best_motion_err) {
MACROBLOCKD *const xd = &x->e_mbd; MACROBLOCKD *const xd = &x->e_mbd;
MV tmp_mv = {0, 0}; MV tmp_mv = {0, 0};
MV ref_mv_full = {ref_mv->row >> 3, ref_mv->col >> 3}; MV ref_mv_full = {ref_mv->row >> 3, ref_mv->col >> 3};
int num00, tmp_err, n, sr = 0; int num00, tmp_err, n;
int step_param = 3;
int further_steps = (MAX_MVSEARCH_STEPS - 1) - step_param;
const BLOCK_SIZE bsize = xd->mi[0]->mbmi.sb_type; const BLOCK_SIZE bsize = xd->mi[0]->mbmi.sb_type;
vp9_variance_fn_ptr_t v_fn_ptr = cpi->fn_ptr[bsize]; vp9_variance_fn_ptr_t v_fn_ptr = cpi->fn_ptr[bsize];
int new_mv_mode_penalty = 256; const int new_mv_mode_penalty = 256;
const int quart_frm = MIN(cpi->common.width, cpi->common.height);
// Refine the motion search range according to the frame dimension
// for first pass test.
while ((quart_frm << sr) < MAX_FULL_PEL_VAL)
++sr;
int step_param = 3;
int further_steps = (MAX_MVSEARCH_STEPS - 1) - step_param;
const int sr = get_search_range(&cpi->common);
step_param += sr; step_param += sr;
further_steps -= sr; further_steps -= sr;
@ -421,8 +427,7 @@ static void first_pass_motion_search(VP9_COMP *cpi, MACROBLOCK *x,
if (tmp_err < *best_motion_err) { if (tmp_err < *best_motion_err) {
*best_motion_err = tmp_err; *best_motion_err = tmp_err;
best_mv->row = tmp_mv.row; *best_mv = tmp_mv;
best_mv->col = tmp_mv.col;
} }
// Carry out further step/diamond searches as necessary. // Carry out further step/diamond searches as necessary.
@ -445,8 +450,7 @@ static void first_pass_motion_search(VP9_COMP *cpi, MACROBLOCK *x,
if (tmp_err < *best_motion_err) { if (tmp_err < *best_motion_err) {
*best_motion_err = tmp_err; *best_motion_err = tmp_err;
best_mv->row = tmp_mv.row; *best_mv = tmp_mv;
best_mv->col = tmp_mv.col;
} }
} }
} }