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scan order table lookup same for encoder and decoder

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Change-Id: I473947b5ca70b7a81151926284bff86f8555492a
This commit is contained in:
Jim Bankoski 2013-11-19 15:31:43 -08:00
parent 8cf352abac
commit d6667dd54f
2 changed files with 14 additions and 29 deletions
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28
vp9/common/vp9_entropy.h
View File

@ -186,23 +186,19 @@ static int get_entropy_context(TX_SIZE tx_size, const ENTROPY_CONTEXT *a,
static void get_scan(const MACROBLOCKD *xd, TX_SIZE tx_size,
PLANE_TYPE type, int block_idx,
const int16_t **scan, const int16_t **scan_nb) {
switch (tx_size) {
case TX_4X4:
get_scan_nb_4x4(get_tx_type_4x4(type, xd, block_idx), scan, scan_nb);
break;
case TX_8X8:
get_scan_nb_8x8(get_tx_type_8x8(type, xd), scan, scan_nb);
break;
case TX_16X16:
get_scan_nb_16x16(get_tx_type_16x16(type, xd), scan, scan_nb);
break;
case TX_32X32:
*scan = vp9_default_scan_32x32;
*scan_nb = vp9_default_scan_32x32_neighbors;
break;
default:
assert(!"Invalid transform size.");
const MODE_INFO *const mi = xd->mi_8x8[0];
const MB_MODE_INFO *const mbmi = &mi->mbmi;
const scan_order *so;
if (is_inter_block(mbmi) || type != PLANE_TYPE_Y_WITH_DC || xd->lossless) {
so = &inter_scan_orders[tx_size];
} else {
const MB_PREDICTION_MODE mode =
mbmi->sb_type < BLOCK_8X8 ? mi->bmi[block_idx].as_mode : mbmi->mode;
so = &intra_scan_orders[tx_size][mode];
}
*scan = so->scan;
*scan_nb = so->neighbors;
}
#endif // VP9_COMMON_VP9_ENTROPY_H_

15
vp9/decoder/vp9_detokenize.c
View File

@ -111,22 +111,11 @@ static int decode_coefs(VP9_COMMON *cm, const MACROBLOCKD *xd,
const uint8_t *cat6;
const uint8_t *band_translate = get_band_translate(tx_size);
const int dq_shift = (tx_size == TX_32X32);
const MODE_INFO *const mi = xd->mi_8x8[0];
const MB_MODE_INFO *const mbmi = &mi->mbmi;
scan_order const *so;
int v;
int16_t dqv = dq[0];
if (mbmi->ref_frame[0] > 0 || type != PLANE_TYPE_Y_WITH_DC || xd->lossless) {
so = &inter_scan_orders[tx_size];
} else {
MB_PREDICTION_MODE mode = mbmi->mode;
if (mbmi->sb_type < BLOCK_8X8)
mode = mi->bmi[block_idx].as_mode;
so = &intra_scan_orders[tx_size][mode];
}
scan = so->scan;
nb = so->neighbors;
get_scan(xd, tx_size, type, block_idx, &scan, &nb);
while (c < seg_eob) {
int val;
if (c)