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Making functions read_{inter, intra}_segment_id more similar.

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Change-Id: I51f9ac910834f2d7aba2be4f7ffbce597e61a144
This commit is contained in:
Dmitry Kovalev 2013-07-12 14:50:33 -07:00
parent 37c0a1a8d0
commit db0d603b1c
1 changed files with 37 additions and 36 deletions
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73
vp9/decoder/vp9_decodemv.c
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@ -108,14 +108,46 @@ static int read_intra_segment_id(VP9D_COMP *pbi, int mi_row, int mi_col,
MACROBLOCKD *const xd = &pbi->mb;
struct segmentation *const seg = &xd->seg;
const BLOCK_SIZE_TYPE bsize = xd->mode_info_context->mbmi.sb_type;
int segment_id;
if (seg->enabled && seg->update_map) {
const int segment_id = read_segment_id(r, seg);
set_segment_id(&pbi->common, bsize, mi_row, mi_col, segment_id);
return segment_id;
} else {
if (!seg->enabled)
return 0; // Default for disabled segmentation
if (!seg->update_map)
return 0;
segment_id = read_segment_id(r, seg);
set_segment_id(&pbi->common, bsize, mi_row, mi_col, segment_id);
return segment_id;
}
static int read_inter_segment_id(VP9D_COMP *pbi, int mi_row, int mi_col,
vp9_reader *r) {
VP9_COMMON *const cm = &pbi->common;
MACROBLOCKD *const xd = &pbi->mb;
struct segmentation *const seg = &xd->seg;
const BLOCK_SIZE_TYPE bsize = xd->mode_info_context->mbmi.sb_type;
int pred_segment_id, segment_id;
if (!seg->enabled)
return 0; // Default for disabled segmentation
pred_segment_id = vp9_get_segment_id(cm, cm->last_frame_seg_map,
bsize, mi_row, mi_col);
if (!seg->update_map)
return pred_segment_id;
if (seg->temporal_update) {
const vp9_prob pred_prob = vp9_get_pred_prob_seg_id(xd);
const int pred_flag = vp9_read(r, pred_prob);
vp9_set_pred_flag_seg_id(xd, bsize, pred_flag);
segment_id = pred_flag ? pred_segment_id
: read_segment_id(r, seg);
} else {
segment_id = read_segment_id(r, seg);
}
set_segment_id(cm, bsize, mi_row, mi_col, segment_id);
return segment_id;
}
static uint8_t read_skip_coeff(VP9D_COMP *pbi, int segment_id, vp9_reader *r) {
@ -352,37 +384,6 @@ static INLINE COMPPREDMODE_TYPE read_comp_pred_mode(vp9_reader *r) {
return mode;
}
static int read_inter_segment_id(VP9D_COMP *pbi, int mi_row, int mi_col,
vp9_reader *r) {
VP9_COMMON *const cm = &pbi->common;
MACROBLOCKD *const xd = &pbi->mb;
struct segmentation *const seg = &xd->seg;
const BLOCK_SIZE_TYPE bsize = xd->mode_info_context->mbmi.sb_type;
int pred_segment_id;
int segment_id;
if (!seg->enabled)
return 0; // Default for disabled segmentation
pred_segment_id = vp9_get_segment_id(cm, cm->last_frame_seg_map,
bsize, mi_row, mi_col);
if (!seg->update_map)
return pred_segment_id;
if (seg->temporal_update) {
const vp9_prob pred_prob = vp9_get_pred_prob_seg_id(xd);
const int pred_flag = vp9_read(r, pred_prob);
vp9_set_pred_flag_seg_id(xd, bsize, pred_flag);
segment_id = pred_flag ? pred_segment_id
: read_segment_id(r, seg);
} else {
segment_id = read_segment_id(r, seg);
}
set_segment_id(cm, bsize, mi_row, mi_col, segment_id);
return segment_id;
}
static INLINE void assign_and_clamp_mv(int_mv *dst, const int_mv *src,
int mb_to_left_edge,
int mb_to_right_edge,