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Adding reusable get_y_mode_prob() function.

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Change-Id: Iebd182d7aeebc0f8964b6fd35057449bb25b00c1
This commit is contained in:
Dmitry Kovalev 2014-03-10 10:50:16 -07:00
parent 924dc81e74
commit f8f8c6d44c
3 changed files with 37 additions and 35 deletions
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9
vp9/common/vp9_entropymode.h
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@ -97,6 +97,15 @@ void tx_counts_to_branch_counts_16x16(const unsigned int *tx_count_16x16p,
void tx_counts_to_branch_counts_8x8(const unsigned int *tx_count_8x8p,
unsigned int (*ct_8x8p)[2]);
static INLINE const vp9_prob *get_y_mode_probs(const MODE_INFO *mi,
const MODE_INFO *above_mi,
const MODE_INFO *left_mi,
int block) {
const MB_PREDICTION_MODE above = vp9_above_block_mode(mi, above_mi, block);
const MB_PREDICTION_MODE left = vp9_left_block_mode(mi, left_mi, block);
return vp9_kf_y_mode_prob[above][left];
}
#ifdef __cplusplus
} // extern "C"
#endif

18
vp9/decoder/vp9_decodemv.c
View File

@ -174,9 +174,7 @@ static void read_intra_frame_mode_info(VP9_COMMON *const cm,
mbmi->ref_frame[1] = NONE;
if (bsize >= BLOCK_8X8) {
const MB_PREDICTION_MODE A = vp9_above_block_mode(mi, above_mi, 0);
const MB_PREDICTION_MODE L = vp9_left_block_mode(mi, left_mi, 0);
mbmi->mode = read_intra_mode(r, vp9_kf_y_mode_prob[A][L]);
mbmi->mode = read_intra_mode(r, get_y_mode_probs(mi, above_mi, left_mi, 0));
} else {
// Only 4x4, 4x8, 8x4 blocks
const int num_4x4_w = num_4x4_blocks_wide_lookup[bsize]; // 1 or 2
@ -185,16 +183,14 @@ static void read_intra_frame_mode_info(VP9_COMMON *const cm,
for (idy = 0; idy < 2; idy += num_4x4_h) {
for (idx = 0; idx < 2; idx += num_4x4_w) {
const int ib = idy * 2 + idx;
const MB_PREDICTION_MODE A = vp9_above_block_mode(mi, above_mi, ib);
const MB_PREDICTION_MODE L = vp9_left_block_mode(mi, left_mi, ib);
const MB_PREDICTION_MODE b_mode = read_intra_mode(r,
vp9_kf_y_mode_prob[A][L]);
mi->bmi[ib].as_mode = b_mode;
const int block = idy * 2 + idx;
const MB_PREDICTION_MODE mode =
read_intra_mode(r, get_y_mode_probs(mi, above_mi, left_mi, block));
mi->bmi[block].as_mode = mode;
if (num_4x4_h == 2)
mi->bmi[ib + 2].as_mode = b_mode;
mi->bmi[block + 2].as_mode = mode;
if (num_4x4_w == 2)
mi->bmi[ib + 1].as_mode = b_mode;
mi->bmi[block + 1].as_mode = mode;
}
}

45
vp9/encoder/vp9_bitstream.c
View File

@ -331,44 +331,41 @@ static void pack_inter_mode_mvs(VP9_COMP *cpi, const MODE_INFO *mi,
}
static void write_mb_modes_kf(const VP9_COMP *cpi, MODE_INFO **mi_8x8,
vp9_writer *bc) {
vp9_writer *w) {
const VP9_COMMON *const cm = &cpi->common;
const MACROBLOCKD *const xd = &cpi->mb.e_mbd;
const struct segmentation *const seg = &cm->seg;
MODE_INFO *m = mi_8x8[0];
const int ym = m->mbmi.mode;
const int segment_id = m->mbmi.segment_id;
MODE_INFO *above_mi = mi_8x8[-xd->mode_info_stride];
MODE_INFO *left_mi = xd->left_available ? mi_8x8[-1] : NULL;
const MODE_INFO *const mi = mi_8x8[0];
const MODE_INFO *const above_mi = mi_8x8[-xd->mode_info_stride];
const MODE_INFO *const left_mi = xd->left_available ? mi_8x8[-1] : NULL;
const MB_MODE_INFO *const mbmi = &mi->mbmi;
const BLOCK_SIZE bsize = mbmi->sb_type;
if (seg->update_map)
write_segment_id(bc, seg, m->mbmi.segment_id);
write_segment_id(w, seg, mbmi->segment_id);
write_skip(cpi, segment_id, m, bc);
write_skip(cpi, mbmi->segment_id, mi, w);
if (m->mbmi.sb_type >= BLOCK_8X8 && cm->tx_mode == TX_MODE_SELECT)
write_selected_tx_size(cpi, m->mbmi.tx_size, m->mbmi.sb_type, bc);
if (bsize >= BLOCK_8X8 && cm->tx_mode == TX_MODE_SELECT)
write_selected_tx_size(cpi, mbmi->tx_size, bsize, w);
if (m->mbmi.sb_type >= BLOCK_8X8) {
const MB_PREDICTION_MODE A = vp9_above_block_mode(m, above_mi, 0);
const MB_PREDICTION_MODE L = vp9_left_block_mode(m, left_mi, 0);
write_intra_mode(bc, ym, vp9_kf_y_mode_prob[A][L]);
if (bsize >= BLOCK_8X8) {
write_intra_mode(w, mbmi->mode, get_y_mode_probs(mi, above_mi, left_mi, 0));
} else {
const int num_4x4_w = num_4x4_blocks_wide_lookup[bsize];
const int num_4x4_h = num_4x4_blocks_high_lookup[bsize];
int idx, idy;
const int num_4x4_blocks_wide = num_4x4_blocks_wide_lookup[m->mbmi.sb_type];
const int num_4x4_blocks_high = num_4x4_blocks_high_lookup[m->mbmi.sb_type];
for (idy = 0; idy < 2; idy += num_4x4_blocks_high) {
for (idx = 0; idx < 2; idx += num_4x4_blocks_wide) {
int i = idy * 2 + idx;
const MB_PREDICTION_MODE A = vp9_above_block_mode(m, above_mi, i);
const MB_PREDICTION_MODE L = vp9_left_block_mode(m, left_mi, i);
const int bm = m->bmi[i].as_mode;
write_intra_mode(bc, bm, vp9_kf_y_mode_prob[A][L]);
for (idy = 0; idy < 2; idy += num_4x4_h) {
for (idx = 0; idx < 2; idx += num_4x4_w) {
const int block = idy * 2 + idx;
write_intra_mode(w, mi->bmi[block].as_mode,
get_y_mode_probs(mi, above_mi, left_mi, block));
}
}
}
write_intra_mode(bc, m->mbmi.uv_mode, vp9_kf_uv_mode_prob[ym]);
write_intra_mode(w, mbmi->uv_mode, vp9_kf_uv_mode_prob[mbmi->mode]);
}
static void write_modes_b(VP9_COMP *cpi, const TileInfo *const tile,