869 lines
28 KiB
C
869 lines
28 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <math.h>
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include "onyx_int.h"
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#include "tokenize.h"
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#include "vpx_mem/vpx_mem.h"
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#include "vp9/common/pred_common.h"
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#include "vp9/common/seg_common.h"
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#include "vp9/common/entropy.h"
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/* Global event counters used for accumulating statistics across several
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compressions, then generating context.c = initial stats. */
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#ifdef ENTROPY_STATS
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INT64 context_counters[BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS];
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INT64 hybrid_context_counters[BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS];
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INT64 context_counters_8x8[BLOCK_TYPES_8X8] [COEF_BANDS] [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS];
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INT64 hybrid_context_counters_8x8[BLOCK_TYPES_8X8] [COEF_BANDS] [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS];
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INT64 context_counters_16x16[BLOCK_TYPES_16X16] [COEF_BANDS] [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS];
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INT64 hybrid_context_counters_16x16[BLOCK_TYPES_16X16] [COEF_BANDS] [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS];
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extern unsigned int tree_update_hist[BLOCK_TYPES][COEF_BANDS]
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[PREV_COEF_CONTEXTS][ENTROPY_NODES][2];
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extern unsigned int hybrid_tree_update_hist[BLOCK_TYPES][COEF_BANDS]
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[PREV_COEF_CONTEXTS][ENTROPY_NODES][2];
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extern unsigned int tree_update_hist_8x8[BLOCK_TYPES_8X8][COEF_BANDS]
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[PREV_COEF_CONTEXTS][ENTROPY_NODES] [2];
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extern unsigned int hybrid_tree_update_hist_8x8[BLOCK_TYPES_8X8][COEF_BANDS]
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[PREV_COEF_CONTEXTS][ENTROPY_NODES] [2];
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extern unsigned int tree_update_hist_16x16[BLOCK_TYPES_16X16][COEF_BANDS]
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[PREV_COEF_CONTEXTS][ENTROPY_NODES] [2];
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extern unsigned int hybrid_tree_update_hist_16x16[BLOCK_TYPES_16X16][COEF_BANDS]
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[PREV_COEF_CONTEXTS][ENTROPY_NODES] [2];
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#endif /* ENTROPY_STATS */
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void vp9_stuff_mb(VP9_COMP *cpi, MACROBLOCKD *xd, TOKENEXTRA **t, int dry_run);
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void vp9_fix_contexts(MACROBLOCKD *xd);
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static TOKENVALUE dct_value_tokens[DCT_MAX_VALUE * 2];
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const TOKENVALUE *vp9_dct_value_tokens_ptr;
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static int dct_value_cost[DCT_MAX_VALUE * 2];
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const int *vp9_dct_value_cost_ptr;
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static void fill_value_tokens() {
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TOKENVALUE *const t = dct_value_tokens + DCT_MAX_VALUE;
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vp9_extra_bit_struct *const e = vp9_extra_bits;
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int i = -DCT_MAX_VALUE;
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int sign = 1;
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do {
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if (!i)
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sign = 0;
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{
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const int a = sign ? -i : i;
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int eb = sign;
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if (a > 4) {
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int j = 4;
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while (++j < 11 && e[j].base_val <= a) {}
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t[i].Token = --j;
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eb |= (a - e[j].base_val) << 1;
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} else
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t[i].Token = a;
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t[i].Extra = eb;
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}
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// initialize the cost for extra bits for all possible coefficient value.
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{
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int cost = 0;
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vp9_extra_bit_struct *p = vp9_extra_bits + t[i].Token;
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if (p->base_val) {
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const int extra = t[i].Extra;
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const int Length = p->Len;
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if (Length)
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cost += treed_cost(p->tree, p->prob, extra >> 1, Length);
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cost += vp9_cost_bit(vp9_prob_half, extra & 1); /* sign */
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dct_value_cost[i + DCT_MAX_VALUE] = cost;
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}
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}
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} while (++i < DCT_MAX_VALUE);
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vp9_dct_value_tokens_ptr = dct_value_tokens + DCT_MAX_VALUE;
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vp9_dct_value_cost_ptr = dct_value_cost + DCT_MAX_VALUE;
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}
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static void tokenize_b(VP9_COMP *cpi,
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MACROBLOCKD *xd,
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const BLOCKD * const b,
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TOKENEXTRA **tp,
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PLANE_TYPE type,
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ENTROPY_CONTEXT *a,
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ENTROPY_CONTEXT *l,
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TX_SIZE tx_size,
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int dry_run) {
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int pt; /* near block/prev token context index */
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int c = (type == PLANE_TYPE_Y_NO_DC) ? 1 : 0;
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const int eob = b->eob; /* one beyond last nonzero coeff */
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TOKENEXTRA *t = *tp; /* store tokens starting here */
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const short *qcoeff_ptr = b->qcoeff;
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int seg_eob;
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int segment_id = xd->mode_info_context->mbmi.segment_id;
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const int *bands, *scan;
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unsigned int (*counts)[COEF_BANDS][PREV_COEF_CONTEXTS][MAX_ENTROPY_TOKENS];
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vp9_prob (*probs)[COEF_BANDS][PREV_COEF_CONTEXTS][ENTROPY_NODES];
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const TX_TYPE tx_type = (type == PLANE_TYPE_Y_WITH_DC) ?
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get_tx_type(xd, b) : DCT_DCT;
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VP9_COMBINEENTROPYCONTEXTS(pt, *a, *l);
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switch (tx_size) {
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default:
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case TX_4X4:
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seg_eob = 16;
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bands = vp9_coef_bands;
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scan = vp9_default_zig_zag1d;
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if (tx_type != DCT_DCT) {
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counts = cpi->hybrid_coef_counts;
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probs = cpi->common.fc.hybrid_coef_probs;
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if (tx_type == ADST_DCT) {
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scan = vp9_row_scan;
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} else if (tx_type == DCT_ADST) {
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scan = vp9_col_scan;
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}
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} else {
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counts = cpi->coef_counts;
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probs = cpi->common.fc.coef_probs;
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}
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break;
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case TX_8X8:
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if (type == PLANE_TYPE_Y2) {
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seg_eob = 4;
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bands = vp9_coef_bands;
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scan = vp9_default_zig_zag1d;
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} else {
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seg_eob = 64;
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bands = vp9_coef_bands_8x8;
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scan = vp9_default_zig_zag1d_8x8;
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}
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if (tx_type != DCT_DCT) {
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counts = cpi->hybrid_coef_counts_8x8;
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probs = cpi->common.fc.hybrid_coef_probs_8x8;
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} else {
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counts = cpi->coef_counts_8x8;
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probs = cpi->common.fc.coef_probs_8x8;
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}
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break;
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case TX_16X16:
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seg_eob = 256;
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bands = vp9_coef_bands_16x16;
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scan = vp9_default_zig_zag1d_16x16;
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if (tx_type != DCT_DCT) {
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counts = cpi->hybrid_coef_counts_16x16;
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probs = cpi->common.fc.hybrid_coef_probs_16x16;
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} else {
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counts = cpi->coef_counts_16x16;
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probs = cpi->common.fc.coef_probs_16x16;
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}
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break;
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}
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if (vp9_segfeature_active(xd, segment_id, SEG_LVL_EOB))
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seg_eob = vp9_get_segdata(xd, segment_id, SEG_LVL_EOB);
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do {
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const int band = bands[c];
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int token;
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if (c < eob) {
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const int rc = scan[c];
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const int v = qcoeff_ptr[rc];
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assert(-DCT_MAX_VALUE <= v && v < DCT_MAX_VALUE);
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t->Extra = vp9_dct_value_tokens_ptr[v].Extra;
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token = vp9_dct_value_tokens_ptr[v].Token;
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} else {
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token = DCT_EOB_TOKEN;
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}
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t->Token = token;
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t->context_tree = probs[type][band][pt];
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t->skip_eob_node = (pt == 0) && ((band > 0 && type != PLANE_TYPE_Y_NO_DC) ||
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(band > 1 && type == PLANE_TYPE_Y_NO_DC));
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assert(vp9_coef_encodings[t->Token].Len - t->skip_eob_node > 0);
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if (!dry_run) {
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++counts[type][band][pt][token];
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}
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pt = vp9_prev_token_class[token];
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++t;
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} while (c < eob && ++c < seg_eob);
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*tp = t;
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*a = *l = (c != !type); /* 0 <-> all coeff data is zero */
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}
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int vp9_mby_is_skippable_4x4(MACROBLOCKD *xd, int has_y2_block) {
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int skip = 1;
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int i = 0;
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if (has_y2_block) {
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for (i = 0; i < 16; i++)
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skip &= (xd->block[i].eob < 2);
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skip &= (!xd->block[24].eob);
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} else {
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for (i = 0; i < 16; i++)
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skip &= (!xd->block[i].eob);
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}
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return skip;
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}
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int vp9_mbuv_is_skippable_4x4(MACROBLOCKD *xd) {
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int skip = 1;
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int i;
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for (i = 16; i < 24; i++)
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skip &= (!xd->block[i].eob);
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return skip;
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}
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static int mb_is_skippable_4x4(MACROBLOCKD *xd, int has_y2_block) {
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return (vp9_mby_is_skippable_4x4(xd, has_y2_block) &
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vp9_mbuv_is_skippable_4x4(xd));
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}
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int vp9_mby_is_skippable_8x8(MACROBLOCKD *xd, int has_y2_block) {
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int skip = 1;
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int i = 0;
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if (has_y2_block) {
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for (i = 0; i < 16; i += 4)
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skip &= (xd->block[i].eob < 2);
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skip &= (!xd->block[24].eob);
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} else {
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for (i = 0; i < 16; i += 4)
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skip &= (!xd->block[i].eob);
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}
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return skip;
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}
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int vp9_mbuv_is_skippable_8x8(MACROBLOCKD *xd) {
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return (!xd->block[16].eob) & (!xd->block[20].eob);
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}
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static int mb_is_skippable_8x8(MACROBLOCKD *xd, int has_y2_block) {
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return (vp9_mby_is_skippable_8x8(xd, has_y2_block) &
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vp9_mbuv_is_skippable_8x8(xd));
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}
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static int mb_is_skippable_8x8_4x4uv(MACROBLOCKD *xd, int has_y2_block) {
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return (vp9_mby_is_skippable_8x8(xd, has_y2_block) &
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vp9_mbuv_is_skippable_4x4(xd));
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}
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int vp9_mby_is_skippable_16x16(MACROBLOCKD *xd) {
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int skip = 1;
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skip &= !xd->block[0].eob;
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return skip;
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}
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static int mb_is_skippable_16x16(MACROBLOCKD *xd) {
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return (vp9_mby_is_skippable_16x16(xd) & vp9_mbuv_is_skippable_8x8(xd));
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}
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void vp9_tokenize_mb(VP9_COMP *cpi,
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MACROBLOCKD *xd,
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TOKENEXTRA **t,
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int dry_run) {
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PLANE_TYPE plane_type;
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int has_y2_block;
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int b;
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int tx_size = xd->mode_info_context->mbmi.txfm_size;
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int mb_skip_context = vp9_get_pred_context(&cpi->common, xd, PRED_MBSKIP);
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TOKENEXTRA *t_backup = *t;
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ENTROPY_CONTEXT * A = (ENTROPY_CONTEXT *) xd->above_context;
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ENTROPY_CONTEXT * L = (ENTROPY_CONTEXT *) xd->left_context;
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// If the MB is going to be skipped because of a segment level flag
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// exclude this from the skip count stats used to calculate the
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// transmitted skip probability;
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int skip_inc;
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int segment_id = xd->mode_info_context->mbmi.segment_id;
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if (!vp9_segfeature_active(xd, segment_id, SEG_LVL_EOB) ||
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(vp9_get_segdata(xd, segment_id, SEG_LVL_EOB) != 0)) {
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skip_inc = 1;
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} else
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skip_inc = 0;
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has_y2_block = (tx_size != TX_16X16
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&& xd->mode_info_context->mbmi.mode != B_PRED
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&& xd->mode_info_context->mbmi.mode != I8X8_PRED
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&& xd->mode_info_context->mbmi.mode != SPLITMV);
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switch (tx_size) {
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case TX_16X16:
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xd->mode_info_context->mbmi.mb_skip_coeff = mb_is_skippable_16x16(xd);
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break;
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case TX_8X8:
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if (xd->mode_info_context->mbmi.mode == I8X8_PRED ||
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xd->mode_info_context->mbmi.mode == SPLITMV)
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xd->mode_info_context->mbmi.mb_skip_coeff = mb_is_skippable_8x8_4x4uv(xd, 0);
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else
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xd->mode_info_context->mbmi.mb_skip_coeff = mb_is_skippable_8x8(xd, has_y2_block);
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break;
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default:
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xd->mode_info_context->mbmi.mb_skip_coeff = mb_is_skippable_4x4(xd, has_y2_block);
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break;
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}
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if (xd->mode_info_context->mbmi.mb_skip_coeff) {
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if (!dry_run)
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cpi->skip_true_count[mb_skip_context] += skip_inc;
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if (!cpi->common.mb_no_coeff_skip) {
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vp9_stuff_mb(cpi, xd, t, dry_run);
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} else {
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vp9_fix_contexts(xd);
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}
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if (dry_run)
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*t = t_backup;
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return;
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}
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if (!dry_run)
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cpi->skip_false_count[mb_skip_context] += skip_inc;
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if (has_y2_block) {
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if (tx_size == TX_8X8) {
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tokenize_b(cpi, xd, xd->block + 24, t, PLANE_TYPE_Y2,
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A + vp9_block2above_8x8[24], L + vp9_block2left_8x8[24],
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TX_8X8, dry_run);
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} else {
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tokenize_b(cpi, xd, xd->block + 24, t, PLANE_TYPE_Y2,
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A + vp9_block2above[24], L + vp9_block2left[24],
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TX_4X4, dry_run);
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}
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plane_type = PLANE_TYPE_Y_NO_DC;
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} else
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plane_type = PLANE_TYPE_Y_WITH_DC;
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if (tx_size == TX_16X16) {
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tokenize_b(cpi, xd, xd->block, t, PLANE_TYPE_Y_WITH_DC,
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A, L, TX_16X16, dry_run);
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A[1] = A[2] = A[3] = A[0];
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L[1] = L[2] = L[3] = L[0];
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for (b = 16; b < 24; b += 4) {
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tokenize_b(cpi, xd, xd->block + b, t, PLANE_TYPE_UV,
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A + vp9_block2above_8x8[b], L + vp9_block2left_8x8[b],
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TX_8X8, dry_run);
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A[vp9_block2above_8x8[b] + 1] = A[vp9_block2above_8x8[b]];
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L[vp9_block2left_8x8[b] + 1] = L[vp9_block2left_8x8[b]];
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}
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vpx_memset(&A[8], 0, sizeof(A[8]));
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vpx_memset(&L[8], 0, sizeof(L[8]));
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} else if (tx_size == TX_8X8) {
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for (b = 0; b < 16; b += 4) {
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tokenize_b(cpi, xd, xd->block + b, t, plane_type,
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A + vp9_block2above_8x8[b], L + vp9_block2left_8x8[b],
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TX_8X8, dry_run);
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A[vp9_block2above_8x8[b] + 1] = A[vp9_block2above_8x8[b]];
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L[vp9_block2left_8x8[b] + 1] = L[vp9_block2left_8x8[b]];
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}
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if (xd->mode_info_context->mbmi.mode == I8X8_PRED ||
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xd->mode_info_context->mbmi.mode == SPLITMV) {
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for (b = 16; b < 24; b++) {
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tokenize_b(cpi, xd, xd->block + b, t, PLANE_TYPE_UV,
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A + vp9_block2above[b], L + vp9_block2left[b],
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TX_4X4, dry_run);
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}
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} else {
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for (b = 16; b < 24; b += 4) {
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tokenize_b(cpi, xd, xd->block + b, t, PLANE_TYPE_UV,
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A + vp9_block2above_8x8[b], L + vp9_block2left_8x8[b],
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TX_8X8, dry_run);
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A[vp9_block2above_8x8[b] + 1] = A[vp9_block2above_8x8[b]];
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L[vp9_block2left_8x8[b] + 1] = L[vp9_block2left_8x8[b]];
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}
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}
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} else {
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for (b = 0; b < 16; b++) {
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tokenize_b(cpi, xd, xd->block + b, t, plane_type,
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A + vp9_block2above[b], L + vp9_block2left[b],
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TX_4X4, dry_run);
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}
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for (b = 16; b < 24; b++) {
|
|
tokenize_b(cpi, xd, xd->block + b, t, PLANE_TYPE_UV,
|
|
A + vp9_block2above[b], L + vp9_block2left[b],
|
|
TX_4X4, dry_run);
|
|
}
|
|
}
|
|
if (dry_run)
|
|
*t = t_backup;
|
|
}
|
|
|
|
|
|
#ifdef ENTROPY_STATS
|
|
void init_context_counters(void) {
|
|
FILE *f = fopen("context.bin", "rb");
|
|
if (!f) {
|
|
vpx_memset(context_counters, 0, sizeof(context_counters));
|
|
vpx_memset(context_counters_8x8, 0, sizeof(context_counters_8x8));
|
|
vpx_memset(context_counters_16x16, 0, sizeof(context_counters_16x16));
|
|
} else {
|
|
fread(context_counters, sizeof(context_counters), 1, f);
|
|
fread(context_counters_8x8, sizeof(context_counters_8x8), 1, f);
|
|
fread(context_counters_16x16, sizeof(context_counters_16x16), 1, f);
|
|
fclose(f);
|
|
}
|
|
|
|
f = fopen("treeupdate.bin", "rb");
|
|
if (!f) {
|
|
vpx_memset(tree_update_hist, 0, sizeof(tree_update_hist));
|
|
vpx_memset(tree_update_hist_8x8, 0, sizeof(tree_update_hist_8x8));
|
|
vpx_memset(tree_update_hist_16x16, 0, sizeof(tree_update_hist_16x16));
|
|
} else {
|
|
fread(tree_update_hist, sizeof(tree_update_hist), 1, f);
|
|
fread(tree_update_hist_8x8, sizeof(tree_update_hist_8x8), 1, f);
|
|
fread(tree_update_hist_16x16, sizeof(tree_update_hist_16x16), 1, f);
|
|
fclose(f);
|
|
}
|
|
}
|
|
|
|
void print_context_counters() {
|
|
int type, band, pt, t;
|
|
FILE *f = fopen("context.c", "w");
|
|
|
|
fprintf(f, "#include \"entropy.h\"\n");
|
|
fprintf(f, "\n/* *** GENERATED FILE: DO NOT EDIT *** */\n\n");
|
|
fprintf(f, "static const unsigned int\n"
|
|
"vp9_default_coef_counts[BLOCK_TYPES]\n"
|
|
" [COEF_BANDS]\n"
|
|
" [PREV_COEF_CONTEXTS]\n"
|
|
" [MAX_ENTROPY_TOKENS]={\n");
|
|
|
|
# define Comma( X) (X? ",":"")
|
|
type = 0;
|
|
do {
|
|
fprintf(f, "%s\n { /* block Type %d */", Comma(type), type);
|
|
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 x = context_counters [type] [band] [pt] [t];
|
|
const int y = (int) x;
|
|
assert(x == (INT64) y); /* no overflow handling yet */
|
|
fprintf(f, "%s %d", Comma(t), y);
|
|
} while (++t < MAX_ENTROPY_TOKENS);
|
|
fprintf(f, "}");
|
|
} while (++pt < PREV_COEF_CONTEXTS);
|
|
fprintf(f, "\n }");
|
|
} while (++band < COEF_BANDS);
|
|
fprintf(f, "\n }");
|
|
} while (++type < BLOCK_TYPES);
|
|
fprintf(f, "\n};\n");
|
|
|
|
fprintf(f, "static const unsigned int\nvp9_default_coef_counts_8x8"
|
|
"[BLOCK_TYPES_8X8] [COEF_BANDS]"
|
|
"[PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS] = {");
|
|
type = 0;
|
|
do {
|
|
fprintf(f, "%s\n { /* block Type %d */", Comma(type), type);
|
|
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 x = context_counters_8x8 [type] [band] [pt] [t];
|
|
const int y = (int) x;
|
|
|
|
assert(x == (INT64) y); /* no overflow handling yet */
|
|
fprintf(f, "%s %d", Comma(t), y);
|
|
|
|
} while (++t < MAX_ENTROPY_TOKENS);
|
|
|
|
fprintf(f, "}");
|
|
} while (++pt < PREV_COEF_CONTEXTS);
|
|
|
|
fprintf(f, "\n }");
|
|
|
|
} while (++band < COEF_BANDS);
|
|
|
|
fprintf(f, "\n }");
|
|
} while (++type < BLOCK_TYPES_8X8);
|
|
fprintf(f, "\n};\n");
|
|
|
|
fprintf(f, "static const unsigned int\nvp9_default_coef_counts_16x16"
|
|
"[BLOCK_TYPES_16X16] [COEF_BANDS]"
|
|
"[PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS] = {");
|
|
type = 0;
|
|
do {
|
|
fprintf(f, "%s\n { /* block Type %d */", Comma(type), type);
|
|
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 x = context_counters_16x16 [type] [band] [pt] [t];
|
|
const int y = (int) x;
|
|
|
|
assert(x == (INT64) y); /* no overflow handling yet */
|
|
fprintf(f, "%s %d", Comma(t), y);
|
|
|
|
} while (++t < MAX_ENTROPY_TOKENS);
|
|
|
|
fprintf(f, "}");
|
|
} while (++pt < PREV_COEF_CONTEXTS);
|
|
|
|
fprintf(f, "\n }");
|
|
|
|
} while (++band < COEF_BANDS);
|
|
|
|
fprintf(f, "\n }");
|
|
} while (++type < BLOCK_TYPES_16X16);
|
|
fprintf(f, "\n};\n");
|
|
|
|
fprintf(f, "static const vp9_prob\n"
|
|
"vp9_default_coef_probs[BLOCK_TYPES] [COEF_BANDS] \n"
|
|
"[PREV_COEF_CONTEXTS] [ENTROPY_NODES] = {");
|
|
type = 0;
|
|
do {
|
|
fprintf(f, "%s\n { /* block Type %d */", Comma(type), type);
|
|
band = 0;
|
|
do {
|
|
fprintf(f, "%s\n { /* Coeff Band %d */", Comma(band), band);
|
|
pt = 0;
|
|
do {
|
|
unsigned int branch_ct [ENTROPY_NODES] [2];
|
|
unsigned int coef_counts[MAX_ENTROPY_TOKENS];
|
|
vp9_prob coef_probs[ENTROPY_NODES];
|
|
for (t = 0; t < MAX_ENTROPY_TOKENS; ++t)
|
|
coef_counts[t] = context_counters [type] [band] [pt] [t];
|
|
vp9_tree_probs_from_distribution(
|
|
MAX_ENTROPY_TOKENS, vp9_coef_encodings, vp9_coef_tree,
|
|
coef_probs, branch_ct, coef_counts, 256, 1);
|
|
fprintf(f, "%s\n {", Comma(pt));
|
|
|
|
t = 0;
|
|
do {
|
|
fprintf(f, "%s %d", 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 (++type < BLOCK_TYPES);
|
|
fprintf(f, "\n};\n");
|
|
|
|
fprintf(f, "static const vp9_prob\n"
|
|
"vp9_default_coef_probs_8x8[BLOCK_TYPES_8X8] [COEF_BANDS]\n"
|
|
"[PREV_COEF_CONTEXTS] [ENTROPY_NODES] = {");
|
|
type = 0;
|
|
do {
|
|
fprintf(f, "%s\n { /* block Type %d */", Comma(type), type);
|
|
band = 0;
|
|
do {
|
|
fprintf(f, "%s\n { /* Coeff Band %d */", Comma(band), band);
|
|
pt = 0;
|
|
do {
|
|
unsigned int branch_ct [ENTROPY_NODES] [2];
|
|
unsigned int coef_counts[MAX_ENTROPY_TOKENS];
|
|
vp9_prob coef_probs[ENTROPY_NODES];
|
|
for (t = 0; t < MAX_ENTROPY_TOKENS; ++t)
|
|
coef_counts[t] = context_counters_8x8[type] [band] [pt] [t];
|
|
vp9_tree_probs_from_distribution(
|
|
MAX_ENTROPY_TOKENS, vp9_coef_encodings, vp9_coef_tree,
|
|
coef_probs, branch_ct, coef_counts, 256, 1);
|
|
fprintf(f, "%s\n {", Comma(pt));
|
|
|
|
t = 0;
|
|
do {
|
|
fprintf(f, "%s %d", 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 (++type < BLOCK_TYPES_8X8);
|
|
fprintf(f, "\n};\n");
|
|
|
|
fprintf(f, "static const vp9_prob\n"
|
|
"vp9_default_coef_probs_16x16[BLOCK_TYPES_16X16] [COEF_BANDS]\n"
|
|
"[PREV_COEF_CONTEXTS] [ENTROPY_NODES] = {");
|
|
type = 0;
|
|
do {
|
|
fprintf(f, "%s\n { /* block Type %d */", Comma(type), type);
|
|
band = 0;
|
|
do {
|
|
fprintf(f, "%s\n { /* Coeff Band %d */", Comma(band), band);
|
|
pt = 0;
|
|
do {
|
|
unsigned int branch_ct [ENTROPY_NODES] [2];
|
|
unsigned int coef_counts[MAX_ENTROPY_TOKENS];
|
|
vp9_prob coef_probs[ENTROPY_NODES];
|
|
for (t = 0; t < MAX_ENTROPY_TOKENS; ++t)
|
|
coef_counts[t] = context_counters_16x16[type] [band] [pt] [t];
|
|
vp9_tree_probs_from_distribution(
|
|
MAX_ENTROPY_TOKENS, vp9_coef_encodings, vp9_coef_tree,
|
|
coef_probs, branch_ct, coef_counts, 256, 1);
|
|
fprintf(f, "%s\n {", Comma(pt));
|
|
|
|
t = 0;
|
|
do {
|
|
fprintf(f, "%s %d", 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 (++type < BLOCK_TYPES_16X16);
|
|
fprintf(f, "\n};\n");
|
|
|
|
fclose(f);
|
|
|
|
f = fopen("context.bin", "wb");
|
|
fwrite(context_counters, sizeof(context_counters), 1, f);
|
|
fwrite(context_counters_8x8, sizeof(context_counters_8x8), 1, f);
|
|
fwrite(context_counters_16x16, sizeof(context_counters_16x16), 1, f);
|
|
fclose(f);
|
|
}
|
|
#endif
|
|
|
|
void vp9_tokenize_initialize() {
|
|
fill_value_tokens();
|
|
}
|
|
|
|
static __inline void stuff_b(VP9_COMP *cpi,
|
|
MACROBLOCKD *xd,
|
|
const BLOCKD * const b,
|
|
TOKENEXTRA **tp,
|
|
PLANE_TYPE type,
|
|
ENTROPY_CONTEXT *a,
|
|
ENTROPY_CONTEXT *l,
|
|
TX_SIZE tx_size,
|
|
int dry_run) {
|
|
const int *bands;
|
|
unsigned int (*counts)[COEF_BANDS][PREV_COEF_CONTEXTS][MAX_ENTROPY_TOKENS];
|
|
vp9_prob (*probs)[COEF_BANDS][PREV_COEF_CONTEXTS][ENTROPY_NODES];
|
|
int pt, band;
|
|
TOKENEXTRA *t = *tp;
|
|
const TX_TYPE tx_type = (type == PLANE_TYPE_Y_WITH_DC) ?
|
|
get_tx_type(xd, b) : DCT_DCT;
|
|
VP9_COMBINEENTROPYCONTEXTS(pt, *a, *l);
|
|
|
|
switch (tx_size) {
|
|
default:
|
|
case TX_4X4:
|
|
bands = vp9_coef_bands;
|
|
if (tx_type != DCT_DCT) {
|
|
counts = cpi->hybrid_coef_counts;
|
|
probs = cpi->common.fc.hybrid_coef_probs;
|
|
} else {
|
|
counts = cpi->coef_counts;
|
|
probs = cpi->common.fc.coef_probs;
|
|
}
|
|
break;
|
|
case TX_8X8:
|
|
bands = vp9_coef_bands_8x8;
|
|
if (tx_type != DCT_DCT) {
|
|
counts = cpi->hybrid_coef_counts_8x8;
|
|
probs = cpi->common.fc.hybrid_coef_probs_8x8;
|
|
} else {
|
|
counts = cpi->coef_counts_8x8;
|
|
probs = cpi->common.fc.coef_probs_8x8;
|
|
}
|
|
break;
|
|
case TX_16X16:
|
|
bands = vp9_coef_bands_16x16;
|
|
if (tx_type != DCT_DCT) {
|
|
counts = cpi->hybrid_coef_counts_16x16;
|
|
probs = cpi->common.fc.hybrid_coef_probs_16x16;
|
|
} else {
|
|
counts = cpi->coef_counts_16x16;
|
|
probs = cpi->common.fc.coef_probs_16x16;
|
|
}
|
|
break;
|
|
}
|
|
band = bands[(type == PLANE_TYPE_Y_NO_DC) ? 1 : 0];
|
|
t->Token = DCT_EOB_TOKEN;
|
|
t->context_tree = probs[type][band][pt];
|
|
t->skip_eob_node = 0;
|
|
++t;
|
|
*tp = t;
|
|
*a = *l = 0;
|
|
if (!dry_run) {
|
|
++counts[type][band][pt][DCT_EOB_TOKEN];
|
|
}
|
|
}
|
|
|
|
static void stuff_mb_8x8(VP9_COMP *cpi, MACROBLOCKD *xd,
|
|
TOKENEXTRA **t, int dry_run) {
|
|
ENTROPY_CONTEXT *A = (ENTROPY_CONTEXT *)xd->above_context;
|
|
ENTROPY_CONTEXT *L = (ENTROPY_CONTEXT *)xd->left_context;
|
|
PLANE_TYPE plane_type;
|
|
int b;
|
|
const int has_y2_block = (xd->mode_info_context->mbmi.mode != B_PRED &&
|
|
xd->mode_info_context->mbmi.mode != I8X8_PRED &&
|
|
xd->mode_info_context->mbmi.mode != SPLITMV);
|
|
|
|
if (has_y2_block) {
|
|
stuff_b(cpi, xd, xd->block + 24, t, PLANE_TYPE_Y2,
|
|
A + vp9_block2above_8x8[24], L + vp9_block2left_8x8[24],
|
|
TX_8X8, dry_run);
|
|
plane_type = PLANE_TYPE_Y_NO_DC;
|
|
} else {
|
|
plane_type = PLANE_TYPE_Y_WITH_DC;
|
|
}
|
|
|
|
for (b = 0; b < 16; b += 4) {
|
|
stuff_b(cpi, xd, xd->block + b, t, plane_type, A + vp9_block2above_8x8[b],
|
|
L + vp9_block2left_8x8[b], TX_8X8, dry_run);
|
|
A[vp9_block2above_8x8[b] + 1] = A[vp9_block2above_8x8[b]];
|
|
L[vp9_block2left_8x8[b] + 1] = L[vp9_block2left_8x8[b]];
|
|
}
|
|
|
|
for (b = 16; b < 24; b += 4) {
|
|
stuff_b(cpi, xd, xd->block + b, t, PLANE_TYPE_UV,
|
|
A + vp9_block2above_8x8[b], L + vp9_block2left_8x8[b],
|
|
TX_8X8, dry_run);
|
|
A[vp9_block2above_8x8[b] + 1] = A[vp9_block2above_8x8[b]];
|
|
L[vp9_block2left_8x8[b] + 1] = L[vp9_block2left_8x8[b]];
|
|
}
|
|
}
|
|
|
|
static void stuff_mb_16x16(VP9_COMP *cpi, MACROBLOCKD *xd,
|
|
TOKENEXTRA **t, int dry_run) {
|
|
ENTROPY_CONTEXT * A = (ENTROPY_CONTEXT *)xd->above_context;
|
|
ENTROPY_CONTEXT * L = (ENTROPY_CONTEXT *)xd->left_context;
|
|
int b;
|
|
|
|
stuff_b(cpi, xd, xd->block, t, PLANE_TYPE_Y_WITH_DC, A, L, TX_16X16, dry_run);
|
|
A[1] = A[2] = A[3] = A[0];
|
|
L[1] = L[2] = L[3] = L[0];
|
|
for (b = 16; b < 24; b += 4) {
|
|
stuff_b(cpi, xd, xd->block + b, t, PLANE_TYPE_UV, A + vp9_block2above[b],
|
|
L + vp9_block2above_8x8[b], TX_8X8, dry_run);
|
|
A[vp9_block2above_8x8[b] + 1] = A[vp9_block2above_8x8[b]];
|
|
L[vp9_block2left_8x8[b] + 1] = L[vp9_block2left_8x8[b]];
|
|
}
|
|
vpx_memset(&A[8], 0, sizeof(A[8]));
|
|
vpx_memset(&L[8], 0, sizeof(L[8]));
|
|
}
|
|
|
|
static void stuff_mb_4x4(VP9_COMP *cpi, MACROBLOCKD *xd,
|
|
TOKENEXTRA **t, int dry_run) {
|
|
ENTROPY_CONTEXT *A = (ENTROPY_CONTEXT *)xd->above_context;
|
|
ENTROPY_CONTEXT *L = (ENTROPY_CONTEXT *)xd->left_context;
|
|
int b;
|
|
PLANE_TYPE plane_type;
|
|
const int has_y2_block = (xd->mode_info_context->mbmi.mode != B_PRED &&
|
|
xd->mode_info_context->mbmi.mode != I8X8_PRED &&
|
|
xd->mode_info_context->mbmi.mode != SPLITMV);
|
|
|
|
if (has_y2_block) {
|
|
stuff_b(cpi, xd, xd->block + 24, t, PLANE_TYPE_Y2, A + vp9_block2above[24],
|
|
L + vp9_block2left[24], TX_4X4, dry_run);
|
|
plane_type = PLANE_TYPE_Y_NO_DC;
|
|
} else {
|
|
plane_type = PLANE_TYPE_Y_WITH_DC;
|
|
}
|
|
|
|
for (b = 0; b < 16; b++)
|
|
stuff_b(cpi, xd, xd->block + b, t, plane_type, A + vp9_block2above[b],
|
|
L + vp9_block2left[b], TX_4X4, dry_run);
|
|
|
|
for (b = 16; b < 24; b++)
|
|
stuff_b(cpi, xd, xd->block + b, t, PLANE_TYPE_UV, A + vp9_block2above[b],
|
|
L + vp9_block2left[b], TX_4X4, dry_run);
|
|
}
|
|
|
|
static void stuff_mb_8x8_4x4uv(VP9_COMP *cpi, MACROBLOCKD *xd,
|
|
TOKENEXTRA **t, int dry_run) {
|
|
ENTROPY_CONTEXT *A = (ENTROPY_CONTEXT *)xd->above_context;
|
|
ENTROPY_CONTEXT *L = (ENTROPY_CONTEXT *)xd->left_context;
|
|
int b;
|
|
|
|
for (b = 0; b < 16; b += 4) {
|
|
stuff_b(cpi, xd, xd->block + b, t, PLANE_TYPE_Y_WITH_DC,
|
|
A + vp9_block2above_8x8[b], L + vp9_block2left_8x8[b],
|
|
TX_8X8, dry_run);
|
|
A[vp9_block2above_8x8[b] + 1] = A[vp9_block2above_8x8[b]];
|
|
L[vp9_block2left_8x8[b] + 1] = L[vp9_block2left_8x8[b]];
|
|
}
|
|
|
|
for (b = 16; b < 24; b++)
|
|
stuff_b(cpi, xd, xd->block + b, t, PLANE_TYPE_UV, A + vp9_block2above[b],
|
|
L + vp9_block2left[b], TX_4X4, dry_run);
|
|
}
|
|
|
|
void vp9_stuff_mb(VP9_COMP *cpi, MACROBLOCKD *xd, TOKENEXTRA **t, int dry_run) {
|
|
TX_SIZE tx_size = xd->mode_info_context->mbmi.txfm_size;
|
|
TOKENEXTRA * const t_backup = *t;
|
|
|
|
if (tx_size == TX_16X16) {
|
|
stuff_mb_16x16(cpi, xd, t, dry_run);
|
|
} else if (tx_size == TX_8X8) {
|
|
if (xd->mode_info_context->mbmi.mode == I8X8_PRED ||
|
|
xd->mode_info_context->mbmi.mode == SPLITMV) {
|
|
stuff_mb_8x8_4x4uv(cpi, xd, t, dry_run);
|
|
} else {
|
|
stuff_mb_8x8(cpi, xd, t, dry_run);
|
|
}
|
|
} else {
|
|
stuff_mb_4x4(cpi, xd, t, dry_run);
|
|
}
|
|
|
|
if (dry_run) {
|
|
*t = t_backup;
|
|
}
|
|
}
|
|
|
|
void vp9_fix_contexts(MACROBLOCKD *xd) {
|
|
/* Clear entropy contexts for Y2 blocks */
|
|
if ((xd->mode_info_context->mbmi.mode != B_PRED
|
|
&& xd->mode_info_context->mbmi.mode != I8X8_PRED
|
|
&& xd->mode_info_context->mbmi.mode != SPLITMV)
|
|
|| xd->mode_info_context->mbmi.txfm_size == TX_16X16
|
|
) {
|
|
vpx_memset(xd->above_context, 0, sizeof(ENTROPY_CONTEXT_PLANES));
|
|
vpx_memset(xd->left_context, 0, sizeof(ENTROPY_CONTEXT_PLANES));
|
|
} else {
|
|
vpx_memset(xd->above_context, 0, sizeof(ENTROPY_CONTEXT_PLANES) - 1);
|
|
vpx_memset(xd->left_context, 0, sizeof(ENTROPY_CONTEXT_PLANES) - 1);
|
|
}
|
|
}
|