generic-library/vpx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Merge "Simplifying vp9_mvref_common.c."

Browse Source
This commit is contained in:
Dmitry Kovalev 2013-08-12 16:24:22 -07:00 committed by Gerrit Code Review
commit b89eef8f82
1 changed files with 12 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
vp9/common/vp9_mvref_common.c
View File

@ -129,18 +129,15 @@ static INLINE int_mv get_sub_block_mv(const MODE_INFO *candidate,
// Performs mv sign inversion if indicated by the reference frame combination.
static INLINE int_mv scale_mv(const MODE_INFO *candidate, const int which_mv,
static INLINE int_mv scale_mv(const MB_MODE_INFO *mbmi, int ref,
const MV_REFERENCE_FRAME this_ref_frame,
const int *ref_sign_bias) {
int_mv return_mv = candidate->mbmi.mv[which_mv];
// Sign inversion where appropriate.
if (ref_sign_bias[candidate->mbmi.ref_frame[which_mv]] !=
ref_sign_bias[this_ref_frame]) {
return_mv.as_mv.row *= -1;
return_mv.as_mv.col *= -1;
int_mv mv = mbmi->mv[ref];
if (ref_sign_bias[mbmi->ref_frame[ref]] != ref_sign_bias[this_ref_frame]) {
mv.as_mv.row *= -1;
mv.as_mv.col *= -1;
}
return return_mv;
return mv;
}
// This macro is used to add a motion vector mv_ref list if it isn't
@ -159,12 +156,12 @@ static INLINE int_mv scale_mv(const MODE_INFO *candidate, const int which_mv,
// If either reference frame is different, not INTRA, and they
// are different from each other scale and add the mv to our list.
#define IF_DIFF_REF_FRAME_ADD_MV(CANDIDATE) \
if ((CANDIDATE)->mbmi.ref_frame[0] != ref_frame) { \
if ((CANDIDATE)->ref_frame[0] != ref_frame) { \
ADD_MV_REF_LIST(scale_mv((CANDIDATE), 0, ref_frame, ref_sign_bias)); \
} \
if ((CANDIDATE)->mbmi.ref_frame[1] != ref_frame && \
(CANDIDATE)->mbmi.ref_frame[1] > INTRA_FRAME && \
(CANDIDATE)->mbmi.mv[1].as_int != (CANDIDATE)->mbmi.mv[0].as_int) { \
if ((CANDIDATE)->ref_frame[1] != ref_frame && \
(CANDIDATE)->ref_frame[1] > INTRA_FRAME && \
(CANDIDATE)->mv[1].as_int != (CANDIDATE)->mv[0].as_int) { \
ADD_MV_REF_LIST(scale_mv((CANDIDATE), 1, ref_frame, ref_sign_bias)); \
}
@ -273,13 +270,13 @@ void vp9_find_mv_refs_idx(VP9_COMMON *cm, MACROBLOCKD *xd, MODE_INFO *here,
if (!is_inter_block(&candidate->mbmi))
continue;
IF_DIFF_REF_FRAME_ADD_MV(candidate);
IF_DIFF_REF_FRAME_ADD_MV(&candidate->mbmi);
}
}
// Since we still don't have a candidate we'll try the last frame.
if (lf_here != NULL && is_inter_block(&lf_here->mbmi)) {
IF_DIFF_REF_FRAME_ADD_MV(lf_here);
IF_DIFF_REF_FRAME_ADD_MV(&lf_here->mbmi);
}
Done:
@ -290,6 +287,3 @@ void vp9_find_mv_refs_idx(VP9_COMMON *cm, MACROBLOCKD *xd, MODE_INFO *here,
for (idx = 0; idx < MAX_MV_REF_CANDIDATES; ++idx)
clamp_mv_ref(&mv_ref_list[idx].as_mv, xd);
}
#undef ADD_MV_REF_LIST
#undef IF_DIFF_REF_FRAME_ADD_MV