generic-library/vpx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Remove the vestigal skip_eob feature from tokenization.

Browse Source 
Repack TOKENEXTRA fields.

Speed impact within measurment margin of error.

Change-Id: I9a6d1dde1bb4a0766b02d0cb74c871ddde907cde
This commit is contained in:
Alex Converse 2016-01-20 14:09:45 -08:00
parent 31a94868b5
commit 5bd99f83d9
2 changed files with 11 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
vp9/encoder/vp9_tokenize.c
View File

@ -428,25 +428,21 @@ static void set_entropy_context_b(int plane, int block, BLOCK_SIZE plane_bsize,
}
static INLINE void add_token(TOKENEXTRA **t, const vpx_prob *context_tree,
int32_t extra, uint8_t token,
uint8_t skip_eob_node,
int16_t token, EXTRABIT extra,
unsigned int *counts) {
(*t)->context_tree = context_tree;
(*t)->token = token;
(*t)->extra = extra;
(*t)->context_tree = context_tree;
(*t)->skip_eob_node = skip_eob_node;
(*t)++;
++counts[token];
}
static INLINE void add_token_no_extra(TOKENEXTRA **t,
const vpx_prob *context_tree,
uint8_t token,
uint8_t skip_eob_node,
int16_t token,
unsigned int *counts) {
(*t)->token = token;
(*t)->context_tree = context_tree;
(*t)->skip_eob_node = skip_eob_node;
(*t)->token = token;
(*t)++;
++counts[token];
}
@ -501,15 +497,13 @@ static void tokenize_b(int plane, int block, BLOCK_SIZE plane_bsize,
while (c < eob) {
int v = 0;
int skip_eob = 0;
v = qcoeff[scan[c]];
++eob_branch[band[c]][pt];
while (!v) {
add_token_no_extra(&t, coef_probs[band[c]][pt], ZERO_TOKEN, skip_eob,
add_token_no_extra(&t, coef_probs[band[c]][pt], ZERO_TOKEN,
counts[band[c]][pt]);
eob_branch[band[c]][pt] += !skip_eob;
skip_eob = 1;
token_cache[scan[c]] = 0;
++c;
pt = get_coef_context(nb, token_cache, c);
@ -518,18 +512,17 @@ static void tokenize_b(int plane, int block, BLOCK_SIZE plane_bsize,
vp9_get_token_extra(v, &token, &extra);
add_token(&t, coef_probs[band[c]][pt], extra, (uint8_t)token,
(uint8_t)skip_eob, counts[band[c]][pt]);
eob_branch[band[c]][pt] += !skip_eob;
add_token(&t, coef_probs[band[c]][pt], token, extra,
counts[band[c]][pt]);
token_cache[scan[c]] = vp9_pt_energy_class[token];
++c;
pt = get_coef_context(nb, token_cache, c);
}
if (c < seg_eob) {
add_token_no_extra(&t, coef_probs[band[c]][pt], EOB_TOKEN, 0,
counts[band[c]][pt]);
++eob_branch[band[c]][pt];
add_token_no_extra(&t, coef_probs[band[c]][pt], EOB_TOKEN,
counts[band[c]][pt]);
}
*tp = t;

3
vp9/encoder/vp9_tokenize.h
View File

@ -36,9 +36,8 @@ typedef struct {
typedef struct {
const vpx_prob *context_tree;
int16_t token;
EXTRABIT extra;
uint8_t token;
uint8_t skip_eob_node;
} TOKENEXTRA;
extern const vpx_tree_index vp9_coef_tree[];