#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 */
-
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];
}
}
-#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();
}