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Diffstat (limited to 'libvpx/vp9/encoder/vp9_tokenize.c')
-rw-r--r--libvpx/vp9/encoder/vp9_tokenize.c188
1 files changed, 14 insertions, 174 deletions
diff --git a/libvpx/vp9/encoder/vp9_tokenize.c b/libvpx/vp9/encoder/vp9_tokenize.c
index 0c9bf9d..c7336d0 100644
--- a/libvpx/vp9/encoder/vp9_tokenize.c
+++ b/libvpx/vp9/encoder/vp9_tokenize.c
@@ -21,24 +21,12 @@
#include "vp9/common/vp9_seg_common.h"
#include "vp9/common/vp9_entropy.h"
-/* Global event counters used for accumulating statistics across several
- compressions, then generating vp9_context.c = initial stats. */
-
-#ifdef ENTROPY_STATS
-vp9_coeff_accum context_counters[TX_SIZES][BLOCK_TYPES];
-extern vp9_coeff_stats tree_update_hist[TX_SIZES][BLOCK_TYPES];
-#endif /* ENTROPY_STATS */
-
-DECLARE_ALIGNED(16, extern const uint8_t,
- vp9_pt_energy_class[MAX_ENTROPY_TOKENS]);
-
static TOKENVALUE dct_value_tokens[DCT_MAX_VALUE * 2];
const TOKENVALUE *vp9_dct_value_tokens_ptr;
static int dct_value_cost[DCT_MAX_VALUE * 2];
const int *vp9_dct_value_cost_ptr;
static void fill_value_tokens() {
-
TOKENVALUE *const t = dct_value_tokens + DCT_MAX_VALUE;
const vp9_extra_bit *const e = vp9_extra_bits;
@@ -60,16 +48,16 @@ static void fill_value_tokens() {
t[i].token = --j;
eb |= (a - e[j].base_val) << 1;
- } else
+ } else {
t[i].token = a;
-
+ }
t[i].extra = eb;
}
// initialize the cost for extra bits for all possible coefficient value.
{
int cost = 0;
- const vp9_extra_bit *p = vp9_extra_bits + t[i].token;
+ const vp9_extra_bit *p = &vp9_extra_bits[t[i].token];
if (p->base_val) {
const int extra = t[i].extra;
@@ -81,13 +69,11 @@ static void fill_value_tokens() {
cost += vp9_cost_bit(vp9_prob_half, extra & 1); /* sign */
dct_value_cost[i + DCT_MAX_VALUE] = cost;
}
-
}
-
} while (++i < DCT_MAX_VALUE);
vp9_dct_value_tokens_ptr = dct_value_tokens + DCT_MAX_VALUE;
- vp9_dct_value_cost_ptr = dct_value_cost + DCT_MAX_VALUE;
+ vp9_dct_value_cost_ptr = dct_value_cost + DCT_MAX_VALUE;
}
struct tokenize_b_args {
@@ -95,6 +81,7 @@ struct tokenize_b_args {
MACROBLOCKD *xd;
TOKENEXTRA **tp;
TX_SIZE tx_size;
+ uint8_t *token_cache;
};
static void set_entropy_context_b(int plane, int block, BLOCK_SIZE plane_bsize,
@@ -113,8 +100,9 @@ static void tokenize_b(int plane, int block, BLOCK_SIZE plane_bsize,
VP9_COMP *cpi = args->cpi;
MACROBLOCKD *xd = args->xd;
TOKENEXTRA **tp = args->tp;
+ uint8_t *token_cache = args->token_cache;
struct macroblockd_plane *pd = &xd->plane[plane];
- MB_MODE_INFO *mbmi = &xd->this_mi->mbmi;
+ MB_MODE_INFO *mbmi = &xd->mi_8x8[0]->mbmi;
int pt; /* near block/prev token context index */
int c = 0, rc = 0;
TOKENEXTRA *t = *tp; /* store tokens starting here */
@@ -127,24 +115,19 @@ static void tokenize_b(int plane, int block, BLOCK_SIZE plane_bsize,
vp9_coeff_count *const counts = cpi->coef_counts[tx_size];
vp9_coeff_probs_model *const coef_probs = cpi->common.fc.coef_probs[tx_size];
const int ref = is_inter_block(mbmi);
- uint8_t token_cache[1024];
- const uint8_t *band_translate;
- ENTROPY_CONTEXT *A, *L;
+ const uint8_t *const band_translate = get_band_translate(tx_size);
const int seg_eob = get_tx_eob(&cpi->common.seg, segment_id, tx_size);
int aoff, loff;
txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &aoff, &loff);
- A = pd->above_context + aoff;
- L = pd->left_context + loff;
-
assert((!type && !plane) || (type && plane));
- pt = get_entropy_context(xd, tx_size, type, block, A, L,
- &scan, &band_translate);
- nb = vp9_get_coef_neighbors_handle(scan);
+ pt = get_entropy_context(tx_size, pd->above_context + aoff,
+ pd->left_context + loff);
+ get_scan(xd, tx_size, type, block, &scan, &nb);
c = 0;
do {
- const int band = get_coef_band(band_translate, c);
+ const int band = band_translate[c];
int token;
int v = 0;
rc = scan[c];
@@ -210,12 +193,12 @@ void vp9_tokenize_sb(VP9_COMP *cpi, TOKENEXTRA **t, int dry_run,
BLOCK_SIZE bsize) {
VP9_COMMON *const cm = &cpi->common;
MACROBLOCKD *const xd = &cpi->mb.e_mbd;
- MB_MODE_INFO *const mbmi = &xd->this_mi->mbmi;
+ MB_MODE_INFO *const mbmi = &xd->mi_8x8[0]->mbmi;
TOKENEXTRA *t_backup = *t;
const int mb_skip_context = vp9_get_pred_context_mbskip(xd);
const int skip_inc = !vp9_segfeature_active(&cm->seg, mbmi->segment_id,
SEG_LVL_SKIP);
- struct tokenize_b_args arg = {cpi, xd, t, mbmi->tx_size};
+ struct tokenize_b_args arg = {cpi, xd, t, mbmi->tx_size, cpi->mb.token_cache};
mbmi->skip_coeff = vp9_sb_is_skippable(xd, bsize);
if (mbmi->skip_coeff) {
@@ -236,149 +219,6 @@ void vp9_tokenize_sb(VP9_COMP *cpi, TOKENEXTRA **t, int dry_run,
}
}
-#ifdef ENTROPY_STATS
-void init_context_counters(void) {
- FILE *f = fopen("context.bin", "rb");
- if (!f) {
- vp9_zero(context_counters);
- } else {
- fread(context_counters, sizeof(context_counters), 1, f);
- fclose(f);
- }
-
- f = fopen("treeupdate.bin", "rb");
- if (!f) {
- vpx_memset(tree_update_hist, 0, sizeof(tree_update_hist));
- } else {
- fread(tree_update_hist, sizeof(tree_update_hist), 1, f);
- fclose(f);
- }
-}
-
-static void print_counter(FILE *f, vp9_coeff_accum *context_counters,
- int block_types, const char *header) {
- int type, ref, band, pt, t;
-
- fprintf(f, "static const vp9_coeff_count %s = {\n", header);
-
-#define Comma(X) (X ? "," : "")
- type = 0;
- do {
- ref = 0;
- fprintf(f, "%s\n { /* block Type %d */", Comma(type), type);
- do {
- fprintf(f, "%s\n { /* %s */", Comma(type), ref ? "Inter" : "Intra");
- band = 0;
- do {
- fprintf(f, "%s\n { /* Coeff Band %d */", Comma(band), band);
- pt = 0;
- do {
- fprintf(f, "%s\n {", Comma(pt));
-
- t = 0;
- do {
- const int64_t x = context_counters[type][ref][band][pt][t];
- const int y = (int) x;
-
- assert(x == (int64_t) y); /* no overflow handling yet */
- fprintf(f, "%s %d", Comma(t), y);
- } while (++t < 1 + MAX_ENTROPY_TOKENS);
- fprintf(f, "}");
- } while (++pt < PREV_COEF_CONTEXTS);
- fprintf(f, "\n }");
- } while (++band < COEF_BANDS);
- fprintf(f, "\n }");
- } while (++ref < REF_TYPES);
- fprintf(f, "\n }");
- } while (++type < block_types);
- fprintf(f, "\n};\n");
-}
-
-static void print_probs(FILE *f, vp9_coeff_accum *context_counters,
- int block_types, const char *header) {
- int type, ref, band, pt, t;
-
- fprintf(f, "static const vp9_coeff_probs %s = {", header);
-
- type = 0;
-#define Newline(x, spaces) (x ? " " : "\n" spaces)
- do {
- fprintf(f, "%s%s{ /* block Type %d */",
- Comma(type), Newline(type, " "), type);
- ref = 0;
- do {
- fprintf(f, "%s%s{ /* %s */",
- Comma(band), Newline(band, " "), ref ? "Inter" : "Intra");
- band = 0;
- do {
- fprintf(f, "%s%s{ /* Coeff Band %d */",
- Comma(band), Newline(band, " "), band);
- pt = 0;
- do {
- unsigned int branch_ct[ENTROPY_NODES][2];
- unsigned int coef_counts[MAX_ENTROPY_TOKENS + 1];
- vp9_prob coef_probs[ENTROPY_NODES];
-
- if (pt >= 3 && band == 0)
- break;
- for (t = 0; t < MAX_ENTROPY_TOKENS + 1; ++t)
- coef_counts[t] = context_counters[type][ref][band][pt][t];
- vp9_tree_probs_from_distribution(vp9_coef_tree, coef_probs,
- branch_ct, coef_counts, 0);
- branch_ct[0][1] = coef_counts[MAX_ENTROPY_TOKENS] - branch_ct[0][0];
- coef_probs[0] = get_binary_prob(branch_ct[0][0], branch_ct[0][1]);
- fprintf(f, "%s\n {", Comma(pt));
-
- t = 0;
- do {
- fprintf(f, "%s %3d", Comma(t), coef_probs[t]);
- } while (++t < ENTROPY_NODES);
-
- fprintf(f, " }");
- } while (++pt < PREV_COEF_CONTEXTS);
- fprintf(f, "\n }");
- } while (++band < COEF_BANDS);
- fprintf(f, "\n }");
- } while (++ref < REF_TYPES);
- fprintf(f, "\n }");
- } while (++type < block_types);
- fprintf(f, "\n};\n");
-}
-
-void print_context_counters() {
- FILE *f = fopen("vp9_context.c", "w");
-
- fprintf(f, "#include \"vp9_entropy.h\"\n");
- fprintf(f, "\n/* *** GENERATED FILE: DO NOT EDIT *** */\n\n");
-
- /* print counts */
- print_counter(f, context_counters[TX_4X4], BLOCK_TYPES,
- "vp9_default_coef_counts_4x4[BLOCK_TYPES]");
- print_counter(f, context_counters[TX_8X8], BLOCK_TYPES,
- "vp9_default_coef_counts_8x8[BLOCK_TYPES]");
- print_counter(f, context_counters[TX_16X16], BLOCK_TYPES,
- "vp9_default_coef_counts_16x16[BLOCK_TYPES]");
- print_counter(f, context_counters[TX_32X32], BLOCK_TYPES,
- "vp9_default_coef_counts_32x32[BLOCK_TYPES]");
-
- /* print coefficient probabilities */
- print_probs(f, context_counters[TX_4X4], BLOCK_TYPES,
- "default_coef_probs_4x4[BLOCK_TYPES]");
- print_probs(f, context_counters[TX_8X8], BLOCK_TYPES,
- "default_coef_probs_8x8[BLOCK_TYPES]");
- print_probs(f, context_counters[TX_16X16], BLOCK_TYPES,
- "default_coef_probs_16x16[BLOCK_TYPES]");
- print_probs(f, context_counters[TX_32X32], BLOCK_TYPES,
- "default_coef_probs_32x32[BLOCK_TYPES]");
-
- fclose(f);
-
- f = fopen("context.bin", "wb");
- fwrite(context_counters, sizeof(context_counters), 1, f);
- fclose(f);
-}
-#endif
-
void vp9_tokenize_initialize() {
fill_value_tokens();
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-08 08:35:38 +0000