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Use dedicated variables to store the best mode

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Use a set of dedicated variables to buffer the current best mode
in non-RD mode decision. This allows to use mode_info for more
complicated test in the non-RD process.

Change-Id: I6024c9feb0662afd3eb29f7017f7b5a5446f303f
This commit is contained in:
Jingning Han 2014-02-25 13:50:32 -08:00
parent 276e568997
commit fd49e9678e
1 changed files with 11 additions and 7 deletions
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22
vp9/encoder/vp9_pickmode.c
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@ -184,8 +184,8 @@ int64_t vp9_pick_inter_mode(VP9_COMP *cpi, MACROBLOCK *x,
MACROBLOCKD *xd = &x->e_mbd; MACROBLOCKD *xd = &x->e_mbd;
MB_MODE_INFO *mbmi = &xd->mi_8x8[0]->mbmi; MB_MODE_INFO *mbmi = &xd->mi_8x8[0]->mbmi;
const BLOCK_SIZE block_size = get_plane_block_size(bsize, &xd->plane[0]); const BLOCK_SIZE block_size = get_plane_block_size(bsize, &xd->plane[0]);
MB_PREDICTION_MODE this_mode; MB_PREDICTION_MODE this_mode, best_mode = ZEROMV;
MV_REFERENCE_FRAME ref_frame; MV_REFERENCE_FRAME ref_frame, best_ref_frame = LAST_FRAME;
int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES]; int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES];
struct buf_2d yv12_mb[4][MAX_MB_PLANE]; struct buf_2d yv12_mb[4][MAX_MB_PLANE];
static const int flag_list[4] = { 0, VP9_LAST_FLAG, VP9_GOLD_FLAG, static const int flag_list[4] = { 0, VP9_LAST_FLAG, VP9_GOLD_FLAG,
@ -240,6 +240,8 @@ int64_t vp9_pick_inter_mode(VP9_COMP *cpi, MACROBLOCK *x,
clamp_mv2(&frame_mv[NEARESTMV][ref_frame].as_mv, xd); clamp_mv2(&frame_mv[NEARESTMV][ref_frame].as_mv, xd);
clamp_mv2(&frame_mv[NEARMV][ref_frame].as_mv, xd); clamp_mv2(&frame_mv[NEARMV][ref_frame].as_mv, xd);
mbmi->ref_frame[0] = ref_frame;
for (this_mode = NEARESTMV; this_mode <= NEWMV; ++this_mode) { for (this_mode = NEARESTMV; this_mode <= NEWMV; ++this_mode) {
int rate = cost[INTER_OFFSET(this_mode)]; int rate = cost[INTER_OFFSET(this_mode)];
int64_t dist; int64_t dist;
@ -258,14 +260,16 @@ int64_t vp9_pick_inter_mode(VP9_COMP *cpi, MACROBLOCK *x,
if (this_rd < best_rd) { if (this_rd < best_rd) {
best_rd = this_rd; best_rd = this_rd;
mbmi->mode = this_mode; best_mode = this_mode;
mbmi->ref_frame[0] = ref_frame; best_ref_frame = ref_frame;
mbmi->mv[0].as_int = frame_mv[this_mode][ref_frame].as_int; }
}
}
mbmi->mode = best_mode;
mbmi->ref_frame[0] = best_ref_frame;
mbmi->mv[0].as_int = frame_mv[best_mode][best_ref_frame].as_int;
xd->mi_8x8[0]->bmi[0].as_mv[0].as_int = mbmi->mv[0].as_int; xd->mi_8x8[0]->bmi[0].as_mv[0].as_int = mbmi->mv[0].as_int;
mbmi->uv_mode = this_mode;
}
}
}
// Perform intra prediction search, if the best SAD is above a certain // Perform intra prediction search, if the best SAD is above a certain
// threshold. // threshold.