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vp9_decodemv.c cleanup.

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Inlining VP9_NMV_UPDATE_PROB constant, consistent local variable names.

Change-Id: I01692501982568fa535882d6b320e3c692f88abb
This commit is contained in:
Dmitry Kovalev 2013-07-31 15:03:36 -07:00
parent 9239e96536
commit 8259cdf298
1 changed files with 23 additions and 20 deletions
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43
vp9/decoder/vp9_decodemv.c
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@ -162,6 +162,7 @@ static void read_intra_frame_mode_info(VP9D_COMP *pbi, MODE_INFO *m,
mbmi->mb_skip_coeff = read_skip_coeff(pbi, mbmi->segment_id, r);
mbmi->txfm_size = read_tx_size(pbi, cm->tx_mode, bsize, 1, r);
mbmi->ref_frame[0] = INTRA_FRAME;
mbmi->ref_frame[1] = NONE;
if (bsize >= BLOCK_SIZE_SB8X8) {
const MB_PREDICTION_MODE A = above_block_mode(m, 0, mis);
@ -249,8 +250,8 @@ static INLINE void read_mv(vp9_reader *r, MV *mv, const MV *ref,
mv->col = ref->col + diff.col;
}
static void update_mv(vp9_reader *r, vp9_prob *p, vp9_prob upd_p) {
if (vp9_read(r, upd_p))
static void update_mv(vp9_reader *r, vp9_prob *p) {
if (vp9_read(r, VP9_NMV_UPDATE_PROB))
*p = (vp9_read_literal(r, 7) << 1) | 1;
}
@ -258,20 +259,21 @@ static void read_mv_probs(vp9_reader *r, nmv_context *mvc, int allow_hp) {
int i, j, k;
for (j = 0; j < MV_JOINTS - 1; ++j)
update_mv(r, &mvc->joints[j], VP9_NMV_UPDATE_PROB);
update_mv(r, &mvc->joints[j]);
for (i = 0; i < 2; ++i) {
nmv_component *const comp = &mvc->comps[i];
update_mv(r, &comp->sign, VP9_NMV_UPDATE_PROB);
update_mv(r, &comp->sign);
for (j = 0; j < MV_CLASSES - 1; ++j)
update_mv(r, &comp->classes[j], VP9_NMV_UPDATE_PROB);
update_mv(r, &comp->classes[j]);
for (j = 0; j < CLASS0_SIZE - 1; ++j)
update_mv(r, &comp->class0[j], VP9_NMV_UPDATE_PROB);
update_mv(r, &comp->class0[j]);
for (j = 0; j < MV_OFFSET_BITS; ++j)
update_mv(r, &comp->bits[j], VP9_NMV_UPDATE_PROB);
update_mv(r, &comp->bits[j]);
}
for (i = 0; i < 2; ++i) {
@ -279,16 +281,16 @@ static void read_mv_probs(vp9_reader *r, nmv_context *mvc, int allow_hp) {
for (j = 0; j < CLASS0_SIZE; ++j)
for (k = 0; k < 3; ++k)
update_mv(r, &comp->class0_fp[j][k], VP9_NMV_UPDATE_PROB);
update_mv(r, &comp->class0_fp[j][k]);
for (j = 0; j < 3; ++j)
update_mv(r, &comp->fp[j], VP9_NMV_UPDATE_PROB);
update_mv(r, &comp->fp[j]);
}
if (allow_hp) {
for (i = 0; i < 2; ++i) {
update_mv(r, &mvc->comps[i].class0_hp, VP9_NMV_UPDATE_PROB);
update_mv(r, &mvc->comps[i].hp, VP9_NMV_UPDATE_PROB);
update_mv(r, &mvc->comps[i].class0_hp);
update_mv(r, &mvc->comps[i].hp);
}
}
}
@ -324,18 +326,19 @@ static void read_ref_frames(VP9D_COMP *pbi, vp9_reader *r,
ref_frame[fix_ref_idx] = cm->comp_fixed_ref;
ref_frame[!fix_ref_idx] = cm->comp_var_ref[b];
} else {
const int ref1_ctx = vp9_get_pred_context_single_ref_p1(xd);
ref_frame[1] = NONE;
if (vp9_read(r, fc->single_ref_prob[ref1_ctx][0])) {
const int ref2_ctx = vp9_get_pred_context_single_ref_p2(xd);
const int b = vp9_read(r, fc->single_ref_prob[ref2_ctx][1]);
ref_frame[0] = b ? ALTREF_FRAME : GOLDEN_FRAME;
counts->single_ref[ref1_ctx][0][1]++;
counts->single_ref[ref2_ctx][1][b]++;
const int ctx0 = vp9_get_pred_context_single_ref_p1(xd);
const int bit0 = vp9_read(r, fc->single_ref_prob[ctx0][0]);
++counts->single_ref[ctx0][0][bit0];
if (bit0) {
const int ctx1 = vp9_get_pred_context_single_ref_p2(xd);
const int bit1 = vp9_read(r, fc->single_ref_prob[ctx1][1]);
ref_frame[0] = bit1 ? ALTREF_FRAME : GOLDEN_FRAME;
++counts->single_ref[ctx1][1][bit1];
} else {
ref_frame[0] = LAST_FRAME;
counts->single_ref[ref1_ctx][0][0]++;
}
ref_frame[1] = NONE;
}
}
}