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Using { 0 } for initialization instead of memset.

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Change-Id: I4fad357465022d14bfc7e13b348c6da267587314
This commit is contained in:
Dmitry Kovalev
2013-08-15 11:37:56 -07:00
parent 89a1fcf884
commit 6f4fa44c42
4 changed files with 8 additions and 19 deletions
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4
vp9/encoder/vp9_firstpass.c
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@@ -1580,7 +1580,7 @@ void define_fixed_arf_period(VP9_COMP *cpi) {
// Analyse and define a gf/arf group.
static void define_gf_group(VP9_COMP *cpi, FIRSTPASS_STATS *this_frame) {
FIRSTPASS_STATS next_frame;
FIRSTPASS_STATS next_frame = { 0 };
FIRSTPASS_STATS *start_pos;
int i;
double boost_score = 0.0;
@@ -1616,8 +1616,6 @@ static void define_gf_group(VP9_COMP *cpi, FIRSTPASS_STATS *this_frame) {
start_pos = cpi->twopass.stats_in;
vpx_memset(&next_frame, 0, sizeof(next_frame)); // assure clean
// Load stats for the current frame.
mod_frame_err = calculate_modified_err(cpi, this_frame);

7
vp9/encoder/vp9_mbgraph.c
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@@ -241,9 +241,7 @@ static void update_mbgraph_frame_stats(VP9_COMP *cpi,
int mb_col, mb_row, offset = 0;
int mb_y_offset = 0, arf_y_offset = 0, gld_y_offset = 0;
int_mv arf_top_mv, gld_top_mv;
MODE_INFO mi_local;
vp9_zero(mi_local);
MODE_INFO mi_local = { { 0 } };
// Set up limit values for motion vectors to prevent them extending outside the UMV borders
arf_top_mv.as_int = 0;
@@ -309,7 +307,7 @@ static void update_mbgraph_frame_stats(VP9_COMP *cpi,
static void separate_arf_mbs(VP9_COMP *cpi) {
VP9_COMMON *const cm = &cpi->common;
int mb_col, mb_row, offset, i;
int ncnt[4];
int ncnt[4] = { 0 };
int n_frames = cpi->mbgraph_n_frames;
int *arf_not_zz;
@@ -345,7 +343,6 @@ static void separate_arf_mbs(VP9_COMP *cpi) {
}
}
vpx_memset(ncnt, 0, sizeof(ncnt));
for (offset = 0, mb_row = 0; mb_row < cm->mb_rows;
offset += cm->mb_cols, mb_row++) {
for (mb_col = 0; mb_col < cm->mb_cols; mb_col++) {

6
vp9/encoder/vp9_rdopt.c
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@@ -3142,7 +3142,7 @@ int64_t vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
int comp_pred, i;
int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES];
struct buf_2d yv12_mb[4][MAX_MB_PLANE];
int_mv single_newmv[MAX_REF_FRAMES];
int_mv single_newmv[MAX_REF_FRAMES] = { { 0 } };
static const int flag_list[4] = { 0, VP9_LAST_FLAG, VP9_GOLD_FLAG,
VP9_ALT_FLAG };
int idx_list[4] = {0,
@@ -3157,7 +3157,7 @@ int64_t vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
int64_t best_pred_rd[NB_PREDICTION_TYPES];
int64_t best_filter_rd[VP9_SWITCHABLE_FILTERS + 1];
int64_t best_filter_diff[VP9_SWITCHABLE_FILTERS + 1];
MB_MODE_INFO best_mbmode;
MB_MODE_INFO best_mbmode = { 0 };
int j;
int mode_index, best_mode_index = 0;
unsigned int ref_costs_single[MAX_REF_FRAMES], ref_costs_comp[MAX_REF_FRAMES];
@@ -3202,8 +3202,6 @@ int64_t vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
estimate_ref_frame_costs(cpi, segment_id, ref_costs_single, ref_costs_comp,
&comp_mode_p);
vpx_memset(&best_mbmode, 0, sizeof(best_mbmode));
vpx_memset(&single_newmv, 0, sizeof(single_newmv));
for (i = 0; i < NB_PREDICTION_TYPES; ++i)
best_pred_rd[i] = INT64_MAX;

10
vp9/encoder/vp9_segmentation.c
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@@ -217,9 +217,9 @@ void vp9_choose_segmap_coding_method(VP9_COMP *cpi) {
int i, tile_col, mi_row, mi_col;
int temporal_predictor_count[PREDICTION_PROBS][2];
int no_pred_segcounts[MAX_SEGMENTS];
int t_unpred_seg_counts[MAX_SEGMENTS];
int temporal_predictor_count[PREDICTION_PROBS][2] = { { 0 } };
int no_pred_segcounts[MAX_SEGMENTS] = { 0 };
int t_unpred_seg_counts[MAX_SEGMENTS] = { 0 };
vp9_prob no_pred_tree[SEG_TREE_PROBS];
vp9_prob t_pred_tree[SEG_TREE_PROBS];
@@ -233,10 +233,6 @@ void vp9_choose_segmap_coding_method(VP9_COMP *cpi) {
vpx_memset(seg->tree_probs, 255, sizeof(seg->tree_probs));
vpx_memset(seg->pred_probs, 255, sizeof(seg->pred_probs));
vpx_memset(no_pred_segcounts, 0, sizeof(no_pred_segcounts));
vpx_memset(t_unpred_seg_counts, 0, sizeof(t_unpred_seg_counts));
vpx_memset(temporal_predictor_count, 0, sizeof(temporal_predictor_count));
// First of all generate stats regarding how well the last segment map
// predicts this one
for (tile_col = 0; tile_col < 1 << cm->log2_tile_cols; tile_col++) {