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Cleaning up vp9_detokenize.c file.

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Using consistent names (block_idx => block, dqcoeff_ptr => dqcoeff,
pt => ctx), inlining get_tx_eob() call.

Change-Id: I05208e57df81bbb8f25b8274684a48192e9de464
This commit is contained in:
Dmitry Kovalev
2013-12-04 17:24:18 -08:00
parent 3712b58c2f
commit 934e10d0f1
1 changed files with 18 additions and 25 deletions
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43
vp9/decoder/vp9_detokenize.c
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@@ -13,11 +13,8 @@
#include "vp9/common/vp9_blockd.h" #include "vp9/common/vp9_blockd.h"
#include "vp9/common/vp9_common.h" #include "vp9/common/vp9_common.h"
#include "vp9/common/vp9_seg_common.h"
#include "vp9/decoder/vp9_dboolhuff.h"
#include "vp9/decoder/vp9_detokenize.h" #include "vp9/decoder/vp9_detokenize.h"
#include "vp9/decoder/vp9_onyxd_int.h"
#define EOB_CONTEXT_NODE 0 #define EOB_CONTEXT_NODE 0
#define ZERO_CONTEXT_NODE 1 #define ZERO_CONTEXT_NODE 1
@@ -63,31 +60,29 @@ static const vp9_prob cat6_prob[15] = {
#define INCREMENT_COUNT(token) \ #define INCREMENT_COUNT(token) \
do { \ do { \
if (!cm->frame_parallel_decoding_mode) \ if (!cm->frame_parallel_decoding_mode) \
++coef_counts[band][pt][token]; \ ++coef_counts[band][ctx][token]; \
} while (0) } while (0)
#define WRITE_COEF_CONTINUE(val, token) \ #define WRITE_COEF_CONTINUE(val, token) \
{ \ { \
v = (val * dqv) >> dq_shift; \ v = (val * dqv) >> dq_shift; \
dqcoeff_ptr[scan[c]] = (vp9_read_bit(r) ? -v : v); \ dqcoeff[scan[c]] = vp9_read_bit(r) ? -v : v; \
token_cache[scan[c]] = vp9_pt_energy_class[token]; \ token_cache[scan[c]] = vp9_pt_energy_class[token]; \
++c; \ ++c; \
pt = get_coef_context(nb, token_cache, c); \ ctx = get_coef_context(nb, token_cache, c); \
dqv = dq[1]; \ dqv = dq[1]; \
continue; \ continue; \
} }
#define ADJUST_COEF(prob, bits_count) \ #define ADJUST_COEF(prob, bits_count) \
do { \ do { \
val += (vp9_read(r, prob) << bits_count); \ val += (vp9_read(r, prob) << bits_count); \
} while (0) } while (0)
static int decode_coefs(VP9_COMMON *cm, const MACROBLOCKD *xd, static int decode_coefs(VP9_COMMON *cm, const MACROBLOCKD *xd, int block,
vp9_reader *r, int block_idx, PLANE_TYPE type, int16_t *dqcoeff, TX_SIZE tx_size,
PLANE_TYPE type, int max_eob, int16_t *dqcoeff_ptr, const int16_t *dq, int ctx, vp9_reader *r) {
TX_SIZE tx_size, const int16_t *dq, int pt) { const int max_eob = 16 << (tx_size << 1);
const FRAME_CONTEXT *const fc = &cm->fc; const FRAME_CONTEXT *const fc = &cm->fc;
FRAME_COUNTS *const counts = &cm->counts; FRAME_COUNTS *const counts = &cm->counts;
const int ref = is_inter_block(&xd->mi_8x8[0]->mbmi); const int ref = is_inter_block(&xd->mi_8x8[0]->mbmi);
@@ -103,7 +98,7 @@ static int decode_coefs(VP9_COMMON *cm, const MACROBLOCKD *xd,
const uint8_t *cat6; const uint8_t *cat6;
const uint8_t *band_translate = get_band_translate(tx_size); const uint8_t *band_translate = get_band_translate(tx_size);
const int dq_shift = (tx_size == TX_32X32); const int dq_shift = (tx_size == TX_32X32);
const scan_order *so = get_scan(xd, tx_size, type, block_idx); const scan_order *so = get_scan(xd, tx_size, type, block);
const int16_t *scan = so->scan; const int16_t *scan = so->scan;
const int16_t *nb = so->neighbors; const int16_t *nb = so->neighbors;
int v; int v;
@@ -112,9 +107,9 @@ static int decode_coefs(VP9_COMMON *cm, const MACROBLOCKD *xd,
while (c < max_eob) { while (c < max_eob) {
int val; int val;
band = *band_translate++; band = *band_translate++;
prob = coef_probs[band][pt]; prob = coef_probs[band][ctx];
if (!cm->frame_parallel_decoding_mode) if (!cm->frame_parallel_decoding_mode)
++eob_branch_count[band][pt]; ++eob_branch_count[band][ctx];
if (!vp9_read(r, prob[EOB_CONTEXT_NODE])) { if (!vp9_read(r, prob[EOB_CONTEXT_NODE])) {
INCREMENT_COUNT(EOB_MODEL_TOKEN); INCREMENT_COUNT(EOB_MODEL_TOKEN);
break; break;
@@ -127,9 +122,9 @@ static int decode_coefs(VP9_COMMON *cm, const MACROBLOCKD *xd,
++c; ++c;
if (c >= max_eob) if (c >= max_eob)
return c; // zero tokens at the end (no eob token) return c; // zero tokens at the end (no eob token)
pt = get_coef_context(nb, token_cache, c); ctx = get_coef_context(nb, token_cache, c);
band = *band_translate++; band = *band_translate++;
prob = coef_probs[band][pt]; prob = coef_probs[band][ctx];
} }
// ONE_CONTEXT_NODE_0_ // ONE_CONTEXT_NODE_0_
@@ -205,13 +200,11 @@ int vp9_decode_block_tokens(VP9_COMMON *cm, MACROBLOCKD *xd,
int plane, int block, BLOCK_SIZE plane_bsize, int plane, int block, BLOCK_SIZE plane_bsize,
int x, int y, TX_SIZE tx_size, vp9_reader *r) { int x, int y, TX_SIZE tx_size, vp9_reader *r) {
struct macroblockd_plane *const pd = &xd->plane[plane]; struct macroblockd_plane *const pd = &xd->plane[plane];
const int seg_eob = get_tx_eob(&cm->seg, xd->mi_8x8[0]->mbmi.segment_id, const int ctx = get_entropy_context(tx_size, pd->above_context + x,
tx_size); pd->left_context + y);
const int pt = get_entropy_context(tx_size, pd->above_context + x, const int eob = decode_coefs(cm, xd, block, pd->plane_type,
pd->left_context + y);
const int eob = decode_coefs(cm, xd, r, block, pd->plane_type, seg_eob,
BLOCK_OFFSET(pd->dqcoeff, block), tx_size, BLOCK_OFFSET(pd->dqcoeff, block), tx_size,
pd->dequant, pt); pd->dequant, ctx, r);
set_contexts(xd, pd, plane_bsize, tx_size, eob > 0, x, y); set_contexts(xd, pd, plane_bsize, tx_size, eob > 0, x, y);
return eob; return eob;
} }