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Cleaning up vp9_mvref_common.c.

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different_ref_found is always equal to one (if calculated) because
ref_frame[0] != ref_frame[1] for each mi-block.

Change-Id: Ibd7625b7b29dec2fd3c40edbc3de1169abb78585
This commit is contained in:
Dmitry Kovalev 2014-02-28 15:12:33 -08:00
parent 3c4a57bb4f
commit d689f2ad33
1 changed files with 10 additions and 20 deletions

30
vp9/common/vp9_mvref_common.c

@ -191,7 +191,7 @@ static void find_mv_refs_idx(const VP9_COMMON *cm, const MACROBLOCKD *xd,
MODE_INFO *mi, const MODE_INFO *prev_mi,
MV_REFERENCE_FRAME ref_frame,
int_mv *mv_ref_list,
int block_idx, int mi_row, int mi_col) {
int block, int mi_row, int mi_col) {
const int *ref_sign_bias = cm->ref_frame_sign_bias;
int i, refmv_count = 0;
const POSITION *const mv_ref_search = mv_ref_blocks[mi->mbmi.sb_type];
@ -214,19 +214,12 @@ static void find_mv_refs_idx(const VP9_COMMON *cm, const MACROBLOCKD *xd,
const MB_MODE_INFO *const candidate = &candidate_mi->mbmi;
// Keep counts for entropy encoding.
context_counter += mode_2_counter[candidate->mode];
different_ref_found = 1;
// Check if the candidate comes from the same reference frame.
if (candidate->ref_frame[0] == ref_frame) {
ADD_MV_REF_LIST(get_sub_block_mv(candidate_mi, 0,
mv_ref->col, block_idx));
different_ref_found = candidate->ref_frame[1] != ref_frame;
} else {
if (candidate->ref_frame[1] == ref_frame)
// Add second motion vector if it has the same ref_frame.
ADD_MV_REF_LIST(get_sub_block_mv(candidate_mi, 1,
mv_ref->col, block_idx));
different_ref_found = 1;
}
if (candidate->ref_frame[0] == ref_frame)
ADD_MV_REF_LIST(get_sub_block_mv(candidate_mi, 0, mv_ref->col, block));
else if (candidate->ref_frame[1] == ref_frame)
ADD_MV_REF_LIST(get_sub_block_mv(candidate_mi, 1, mv_ref->col, block));
}
}
@ -239,15 +232,12 @@ static void find_mv_refs_idx(const VP9_COMMON *cm, const MACROBLOCKD *xd,
const MB_MODE_INFO *const candidate = &xd->mi_8x8[mv_ref->col +
mv_ref->row
* xd->mode_info_stride]->mbmi;
different_ref_found = 1;
if (candidate->ref_frame[0] == ref_frame) {
if (candidate->ref_frame[0] == ref_frame)
ADD_MV_REF_LIST(candidate->mv[0]);
different_ref_found = candidate->ref_frame[1] != ref_frame;
} else {
if (candidate->ref_frame[1] == ref_frame)
ADD_MV_REF_LIST(candidate->mv[1]);
different_ref_found = 1;
}
else if (candidate->ref_frame[1] == ref_frame)
ADD_MV_REF_LIST(candidate->mv[1]);
}
}