588 lines
19 KiB
C
588 lines
19 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 "vp9/common/vp9_blockd.h"
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#include "vp9/decoder/vp9_onyxd_int.h"
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#include "vpx_mem/vpx_mem.h"
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#include "vpx_ports/mem.h"
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#include "vp9/decoder/vp9_detokenize.h"
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#include "vp9/common/vp9_seg_common.h"
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#define EOB_CONTEXT_NODE 0
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#define ZERO_CONTEXT_NODE 1
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#define ONE_CONTEXT_NODE 2
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#define LOW_VAL_CONTEXT_NODE 3
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#define TWO_CONTEXT_NODE 4
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#define THREE_CONTEXT_NODE 5
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#define HIGH_LOW_CONTEXT_NODE 6
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#define CAT_ONE_CONTEXT_NODE 7
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#define CAT_THREEFOUR_CONTEXT_NODE 8
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#define CAT_THREE_CONTEXT_NODE 9
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#define CAT_FIVE_CONTEXT_NODE 10
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#define CAT1_MIN_VAL 5
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#define CAT2_MIN_VAL 7
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#define CAT3_MIN_VAL 11
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#define CAT4_MIN_VAL 19
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#define CAT5_MIN_VAL 35
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#define CAT6_MIN_VAL 67
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#define CAT1_PROB0 159
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#define CAT2_PROB0 145
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#define CAT2_PROB1 165
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#define CAT3_PROB0 140
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#define CAT3_PROB1 148
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#define CAT3_PROB2 173
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#define CAT4_PROB0 135
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#define CAT4_PROB1 140
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#define CAT4_PROB2 155
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#define CAT4_PROB3 176
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#define CAT5_PROB0 130
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#define CAT5_PROB1 134
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#define CAT5_PROB2 141
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#define CAT5_PROB3 157
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#define CAT5_PROB4 180
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static const unsigned char cat6_prob[15] = {
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254, 254, 254, 252, 249, 243, 230, 196, 177, 153, 140, 133, 130, 129, 0
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};
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DECLARE_ALIGNED(16, extern const unsigned char, vp9_norm[256]);
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static int get_signed(BOOL_DECODER *br, int value_to_sign) {
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const int split = (br->range + 1) >> 1;
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const VP9_BD_VALUE bigsplit = (VP9_BD_VALUE)split << (VP9_BD_VALUE_SIZE - 8);
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int v;
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if (br->count < 0)
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vp9_bool_decoder_fill(br);
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if (br->value < bigsplit) {
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br->range = split;
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v = value_to_sign;
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} else {
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br->range = br->range - split;
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br->value = br->value - bigsplit;
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v = -value_to_sign;
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}
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br->range += br->range;
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br->value += br->value;
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--br->count;
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return v;
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}
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#define INCREMENT_COUNT(token) \
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do { \
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coef_counts[type][coef_bands[c]][pt][token]++; \
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pt = vp9_prev_token_class[token]; \
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} while (0)
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#define WRITE_COEF_CONTINUE(val, token) \
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{ \
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qcoeff_ptr[scan[c]] = (int16_t) get_signed(br, val); \
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INCREMENT_COUNT(token); \
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c++; \
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continue; \
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}
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#define ADJUST_COEF(prob, bits_count) \
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do { \
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if (vp9_read(br, prob)) \
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val += (uint16_t)(1 << bits_count);\
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} while (0);
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static int decode_coefs(VP9D_COMP *dx, const MACROBLOCKD *xd,
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BOOL_DECODER* const br,
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ENTROPY_CONTEXT *a, ENTROPY_CONTEXT *l,
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PLANE_TYPE type,
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TX_TYPE tx_type,
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int seg_eob, int16_t *qcoeff_ptr,
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const int *const scan, TX_SIZE txfm_size,
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const int *coef_bands) {
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FRAME_CONTEXT *const fc = &dx->common.fc;
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int pt, c = (type == PLANE_TYPE_Y_NO_DC);
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vp9_coeff_probs *coef_probs;
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vp9_prob *prob;
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vp9_coeff_count *coef_counts;
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switch (txfm_size) {
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default:
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case TX_4X4:
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if (tx_type == DCT_DCT) {
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coef_probs = fc->coef_probs_4x4;
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coef_counts = fc->coef_counts_4x4;
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} else {
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coef_probs = fc->hybrid_coef_probs_4x4;
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coef_counts = fc->hybrid_coef_counts_4x4;
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}
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break;
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case TX_8X8:
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if (tx_type == DCT_DCT) {
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coef_probs = fc->coef_probs_8x8;
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coef_counts = fc->coef_counts_8x8;
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} else {
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coef_probs = fc->hybrid_coef_probs_8x8;
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coef_counts = fc->hybrid_coef_counts_8x8;
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}
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break;
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case TX_16X16:
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if (tx_type == DCT_DCT) {
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coef_probs = fc->coef_probs_16x16;
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coef_counts = fc->coef_counts_16x16;
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} else {
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coef_probs = fc->hybrid_coef_probs_16x16;
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coef_counts = fc->hybrid_coef_counts_16x16;
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}
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break;
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#if CONFIG_TX32X32 && CONFIG_SUPERBLOCKS
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case TX_32X32:
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coef_probs = fc->coef_probs_32x32;
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coef_counts = fc->coef_counts_32x32;
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break;
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#endif
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}
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VP9_COMBINEENTROPYCONTEXTS(pt, *a, *l);
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while (1) {
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int val;
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const uint8_t *cat6 = cat6_prob;
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if (c >= seg_eob) break;
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prob = coef_probs[type][coef_bands[c]][pt];
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if (!vp9_read(br, prob[EOB_CONTEXT_NODE]))
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break;
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SKIP_START:
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if (c >= seg_eob) break;
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if (!vp9_read(br, prob[ZERO_CONTEXT_NODE])) {
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INCREMENT_COUNT(ZERO_TOKEN);
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++c;
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prob = coef_probs[type][coef_bands[c]][pt];
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goto SKIP_START;
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}
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// ONE_CONTEXT_NODE_0_
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if (!vp9_read(br, prob[ONE_CONTEXT_NODE])) {
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WRITE_COEF_CONTINUE(1, ONE_TOKEN);
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}
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// LOW_VAL_CONTEXT_NODE_0_
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if (!vp9_read(br, prob[LOW_VAL_CONTEXT_NODE])) {
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if (!vp9_read(br, prob[TWO_CONTEXT_NODE])) {
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WRITE_COEF_CONTINUE(2, TWO_TOKEN);
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}
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if (!vp9_read(br, prob[THREE_CONTEXT_NODE])) {
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WRITE_COEF_CONTINUE(3, THREE_TOKEN);
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}
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WRITE_COEF_CONTINUE(4, FOUR_TOKEN);
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}
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// HIGH_LOW_CONTEXT_NODE_0_
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if (!vp9_read(br, prob[HIGH_LOW_CONTEXT_NODE])) {
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if (!vp9_read(br, prob[CAT_ONE_CONTEXT_NODE])) {
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val = CAT1_MIN_VAL;
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ADJUST_COEF(CAT1_PROB0, 0);
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WRITE_COEF_CONTINUE(val, DCT_VAL_CATEGORY1);
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}
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val = CAT2_MIN_VAL;
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ADJUST_COEF(CAT2_PROB1, 1);
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ADJUST_COEF(CAT2_PROB0, 0);
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WRITE_COEF_CONTINUE(val, DCT_VAL_CATEGORY2);
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}
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// CAT_THREEFOUR_CONTEXT_NODE_0_
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if (!vp9_read(br, prob[CAT_THREEFOUR_CONTEXT_NODE])) {
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if (!vp9_read(br, prob[CAT_THREE_CONTEXT_NODE])) {
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val = CAT3_MIN_VAL;
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ADJUST_COEF(CAT3_PROB2, 2);
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ADJUST_COEF(CAT3_PROB1, 1);
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ADJUST_COEF(CAT3_PROB0, 0);
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WRITE_COEF_CONTINUE(val, DCT_VAL_CATEGORY3);
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}
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val = CAT4_MIN_VAL;
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ADJUST_COEF(CAT4_PROB3, 3);
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ADJUST_COEF(CAT4_PROB2, 2);
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ADJUST_COEF(CAT4_PROB1, 1);
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ADJUST_COEF(CAT4_PROB0, 0);
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WRITE_COEF_CONTINUE(val, DCT_VAL_CATEGORY4);
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}
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// CAT_FIVE_CONTEXT_NODE_0_:
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if (!vp9_read(br, prob[CAT_FIVE_CONTEXT_NODE])) {
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val = CAT5_MIN_VAL;
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ADJUST_COEF(CAT5_PROB4, 4);
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ADJUST_COEF(CAT5_PROB3, 3);
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ADJUST_COEF(CAT5_PROB2, 2);
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ADJUST_COEF(CAT5_PROB1, 1);
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ADJUST_COEF(CAT5_PROB0, 0);
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WRITE_COEF_CONTINUE(val, DCT_VAL_CATEGORY5);
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}
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val = 0;
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while (*cat6) {
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val = (val << 1) | vp9_read(br, *cat6++);
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}
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val += CAT6_MIN_VAL;
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WRITE_COEF_CONTINUE(val, DCT_VAL_CATEGORY6);
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}
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if (c < seg_eob)
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coef_counts[type][coef_bands[c]][pt][DCT_EOB_TOKEN]++;
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a[0] = l[0] = (c > !type);
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return c;
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}
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static int get_eob(MACROBLOCKD* const xd, int segment_id, int eob_max) {
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int active = vp9_segfeature_active(xd, segment_id, SEG_LVL_EOB);
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int eob = vp9_get_segdata(xd, segment_id, SEG_LVL_EOB);
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if (!active || eob > eob_max)
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eob = eob_max;
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return eob;
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}
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#if CONFIG_TX32X32 && CONFIG_SUPERBLOCKS
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int vp9_decode_sb_tokens(VP9D_COMP* const pbi,
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MACROBLOCKD* const xd,
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BOOL_DECODER* const bc) {
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ENTROPY_CONTEXT* const A = (ENTROPY_CONTEXT *)xd->above_context;
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ENTROPY_CONTEXT* const L = (ENTROPY_CONTEXT *)xd->left_context;
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ENTROPY_CONTEXT* const A1 = (ENTROPY_CONTEXT *)(&xd->above_context[1]);
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ENTROPY_CONTEXT* const L1 = (ENTROPY_CONTEXT *)(&xd->left_context[1]);
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unsigned short* const eobs = xd->eobs;
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const int segment_id = xd->mode_info_context->mbmi.segment_id;
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int c, i, eobtotal = 0, seg_eob;
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// Luma block
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#if CONFIG_CNVCONTEXT
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ENTROPY_CONTEXT above_ec = (A[0] + A[1] + A[2] + A[3] +
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A1[0] + A1[1] + A1[2] + A1[3]) != 0;
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ENTROPY_CONTEXT left_ec = (L[0] + L[1] + L[2] + L[3] +
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L1[0] + L1[1] + L1[2] + L1[3]) != 0;
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#else
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ENTROPY_CONTEXT above_ec = A[0];
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ENTROPY_CONTEXT left_ec = L[0];
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#endif
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eobs[0] = c = decode_coefs(pbi, xd, bc, &above_ec, &left_ec,
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PLANE_TYPE_Y_WITH_DC,
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DCT_DCT, get_eob(xd, segment_id, 1024),
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xd->sb_coeff_data.qcoeff,
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vp9_default_zig_zag1d_32x32,
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TX_32X32, vp9_coef_bands_32x32);
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A[1] = A[2] = A[3] = A[0] = above_ec;
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L[1] = L[2] = L[3] = L[0] = left_ec;
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A1[1] = A1[2] = A1[3] = A1[0] = above_ec;
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L1[1] = L1[2] = L1[3] = L1[0] = left_ec;
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eobtotal += c;
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// 16x16 chroma blocks
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seg_eob = get_eob(xd, segment_id, 256);
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for (i = 16; i < 24; i += 4) {
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ENTROPY_CONTEXT* const a = A + vp9_block2above[TX_16X16][i];
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ENTROPY_CONTEXT* const l = L + vp9_block2left[TX_16X16][i];
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ENTROPY_CONTEXT* const a1 = A1 + vp9_block2above[TX_16X16][i];
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ENTROPY_CONTEXT* const l1 = L1 + vp9_block2left[TX_16X16][i];
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#if CONFIG_CNVCONTEXT
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above_ec = (a[0] + a[1] + a1[0] + a1[1]) != 0;
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left_ec = (l[0] + l[1] + l1[0] + l1[1]) != 0;
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#else
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above_ec = a[0];
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left_ec = l[0];
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#endif
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eobs[i] = c = decode_coefs(pbi, xd, bc,
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&above_ec, &left_ec,
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PLANE_TYPE_UV,
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DCT_DCT, seg_eob,
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xd->sb_coeff_data.qcoeff + 1024 + (i - 16) * 64,
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vp9_default_zig_zag1d_16x16,
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TX_16X16, vp9_coef_bands_16x16);
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a1[1] = a1[0] = a[1] = a[0] = above_ec;
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l1[1] = l1[0] = l[1] = l[0] = left_ec;
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eobtotal += c;
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}
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// no Y2 block
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A[8] = L[8] = A1[8] = L1[8] = 0;
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return eobtotal;
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}
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#endif
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static int vp9_decode_mb_tokens_16x16(VP9D_COMP* const pbi,
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MACROBLOCKD* const xd,
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BOOL_DECODER* const bc) {
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ENTROPY_CONTEXT* const A = (ENTROPY_CONTEXT *)xd->above_context;
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ENTROPY_CONTEXT* const L = (ENTROPY_CONTEXT *)xd->left_context;
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unsigned short* const eobs = xd->eobs;
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const int segment_id = xd->mode_info_context->mbmi.segment_id;
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int c, i, eobtotal = 0, seg_eob;
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// Luma block
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#if CONFIG_CNVCONTEXT
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ENTROPY_CONTEXT above_ec = (A[0] + A[1] + A[2] + A[3]) != 0;
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ENTROPY_CONTEXT left_ec = (L[0] + L[1] + L[2] + L[3]) != 0;
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#else
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ENTROPY_CONTEXT above_ec = A[0];
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ENTROPY_CONTEXT left_ec = L[0];
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#endif
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eobs[0] = c = decode_coefs(pbi, xd, bc, &above_ec, &left_ec,
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PLANE_TYPE_Y_WITH_DC,
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get_tx_type(xd, &xd->block[0]),
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get_eob(xd, segment_id, 256),
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xd->qcoeff, vp9_default_zig_zag1d_16x16,
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TX_16X16, vp9_coef_bands_16x16);
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A[1] = A[2] = A[3] = A[0] = above_ec;
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L[1] = L[2] = L[3] = L[0] = left_ec;
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eobtotal += c;
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// 8x8 chroma blocks
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seg_eob = get_eob(xd, segment_id, 64);
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for (i = 16; i < 24; i += 4) {
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ENTROPY_CONTEXT* const a = A + vp9_block2above[TX_8X8][i];
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ENTROPY_CONTEXT* const l = L + vp9_block2left[TX_8X8][i];
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#if CONFIG_CNVCONTEXT
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above_ec = (a[0] + a[1]) != 0;
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left_ec = (l[0] + l[1]) != 0;
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#else
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above_ec = a[0];
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left_ec = l[0];
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#endif
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eobs[i] = c = decode_coefs(pbi, xd, bc,
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&above_ec, &left_ec,
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PLANE_TYPE_UV,
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DCT_DCT, seg_eob, xd->block[i].qcoeff,
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vp9_default_zig_zag1d_8x8,
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TX_8X8, vp9_coef_bands_8x8);
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a[1] = a[0] = above_ec;
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l[1] = l[0] = left_ec;
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eobtotal += c;
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}
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A[8] = 0;
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L[8] = 0;
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return eobtotal;
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}
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static int vp9_decode_mb_tokens_8x8(VP9D_COMP* const pbi,
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MACROBLOCKD* const xd,
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BOOL_DECODER* const bc) {
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ENTROPY_CONTEXT *const A = (ENTROPY_CONTEXT *)xd->above_context;
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ENTROPY_CONTEXT *const L = (ENTROPY_CONTEXT *)xd->left_context;
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unsigned short *const eobs = xd->eobs;
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PLANE_TYPE type;
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int c, i, eobtotal = 0, seg_eob;
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const int segment_id = xd->mode_info_context->mbmi.segment_id;
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int has_2nd_order = get_2nd_order_usage(xd);
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// 2nd order DC block
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if (has_2nd_order) {
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ENTROPY_CONTEXT *const a = A + vp9_block2above[TX_8X8][24];
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ENTROPY_CONTEXT *const l = L + vp9_block2left[TX_8X8][24];
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eobs[24] = c = decode_coefs(pbi, xd, bc, a, l, PLANE_TYPE_Y2,
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DCT_DCT, get_eob(xd, segment_id, 4),
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xd->block[24].qcoeff,
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vp9_default_zig_zag1d_4x4, TX_8X8,
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vp9_coef_bands_4x4);
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eobtotal += c - 4;
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type = PLANE_TYPE_Y_NO_DC;
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} else {
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xd->above_context->y2 = 0;
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xd->left_context->y2 = 0;
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eobs[24] = 0;
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type = PLANE_TYPE_Y_WITH_DC;
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}
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// luma blocks
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seg_eob = get_eob(xd, segment_id, 64);
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for (i = 0; i < 16; i += 4) {
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ENTROPY_CONTEXT *const a = A + vp9_block2above[TX_8X8][i];
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ENTROPY_CONTEXT *const l = L + vp9_block2left[TX_8X8][i];
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#if CONFIG_CNVCONTEXT
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ENTROPY_CONTEXT above_ec = (a[0] + a[1]) != 0;
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ENTROPY_CONTEXT left_ec = (l[0] + l[1]) != 0;
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#else
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ENTROPY_CONTEXT above_ec = a[0];
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ENTROPY_CONTEXT left_ec = l[0];
|
|
#endif
|
|
eobs[i] = c = decode_coefs(pbi, xd, bc, &above_ec, &left_ec, type,
|
|
type == PLANE_TYPE_Y_WITH_DC ?
|
|
get_tx_type(xd, xd->block + i) : DCT_DCT,
|
|
seg_eob, xd->block[i].qcoeff,
|
|
vp9_default_zig_zag1d_8x8,
|
|
TX_8X8, vp9_coef_bands_8x8);
|
|
a[1] = a[0] = above_ec;
|
|
l[1] = l[0] = left_ec;
|
|
eobtotal += c;
|
|
}
|
|
|
|
// chroma blocks
|
|
if (xd->mode_info_context->mbmi.mode == I8X8_PRED ||
|
|
xd->mode_info_context->mbmi.mode == SPLITMV) {
|
|
// use 4x4 transform for U, V components in I8X8/splitmv prediction mode
|
|
seg_eob = get_eob(xd, segment_id, 16);
|
|
for (i = 16; i < 24; i++) {
|
|
ENTROPY_CONTEXT *const a = A + vp9_block2above[TX_4X4][i];
|
|
ENTROPY_CONTEXT *const l = L + vp9_block2left[TX_4X4][i];
|
|
|
|
eobs[i] = c = decode_coefs(pbi, xd, bc, a, l, PLANE_TYPE_UV,
|
|
DCT_DCT, seg_eob, xd->block[i].qcoeff,
|
|
vp9_default_zig_zag1d_4x4, TX_4X4,
|
|
vp9_coef_bands_4x4);
|
|
eobtotal += c;
|
|
}
|
|
} else {
|
|
for (i = 16; i < 24; i += 4) {
|
|
ENTROPY_CONTEXT *const a = A + vp9_block2above[TX_8X8][i];
|
|
ENTROPY_CONTEXT *const l = L + vp9_block2left[TX_8X8][i];
|
|
#if CONFIG_CNVCONTEXT
|
|
ENTROPY_CONTEXT above_ec = (a[0] + a[1]) != 0;
|
|
ENTROPY_CONTEXT left_ec = (l[0] + l[1]) != 0;
|
|
#else
|
|
ENTROPY_CONTEXT above_ec = a[0];
|
|
ENTROPY_CONTEXT left_ec = l[0];
|
|
#endif
|
|
eobs[i] = c = decode_coefs(pbi, xd, bc,
|
|
&above_ec, &left_ec,
|
|
PLANE_TYPE_UV,
|
|
DCT_DCT, seg_eob, xd->block[i].qcoeff,
|
|
vp9_default_zig_zag1d_8x8,
|
|
TX_8X8, vp9_coef_bands_8x8);
|
|
a[1] = a[0] = above_ec;
|
|
l[1] = l[0] = left_ec;
|
|
eobtotal += c;
|
|
}
|
|
}
|
|
|
|
return eobtotal;
|
|
}
|
|
|
|
static int decode_coefs_4x4(VP9D_COMP *dx, MACROBLOCKD *xd,
|
|
BOOL_DECODER* const bc,
|
|
PLANE_TYPE type, int i, int seg_eob,
|
|
TX_TYPE tx_type, const int *scan) {
|
|
ENTROPY_CONTEXT *const A = (ENTROPY_CONTEXT *)xd->above_context;
|
|
ENTROPY_CONTEXT *const L = (ENTROPY_CONTEXT *)xd->left_context;
|
|
ENTROPY_CONTEXT *const a = A + vp9_block2above[TX_4X4][i];
|
|
ENTROPY_CONTEXT *const l = L + vp9_block2left[TX_4X4][i];
|
|
unsigned short *const eobs = xd->eobs;
|
|
int c;
|
|
|
|
c = decode_coefs(dx, xd, bc, a, l, type, tx_type, seg_eob,
|
|
xd->block[i].qcoeff, scan, TX_4X4, vp9_coef_bands_4x4);
|
|
eobs[i] = c;
|
|
|
|
return c;
|
|
}
|
|
|
|
static int decode_coefs_4x4_y(VP9D_COMP *dx, MACROBLOCKD *xd,
|
|
BOOL_DECODER* const bc,
|
|
PLANE_TYPE type, int i, int seg_eob) {
|
|
const TX_TYPE tx_type = (type == PLANE_TYPE_Y_WITH_DC) ?
|
|
get_tx_type(xd, &xd->block[i]) : DCT_DCT;
|
|
const int *scan;
|
|
|
|
switch (tx_type) {
|
|
case ADST_DCT:
|
|
scan = vp9_row_scan_4x4;
|
|
break;
|
|
case DCT_ADST:
|
|
scan = vp9_col_scan_4x4;
|
|
break;
|
|
default:
|
|
scan = vp9_default_zig_zag1d_4x4;
|
|
break;
|
|
}
|
|
|
|
return decode_coefs_4x4(dx, xd, bc, type, i, seg_eob, tx_type, scan);
|
|
}
|
|
|
|
int vp9_decode_coefs_4x4(VP9D_COMP *dx, MACROBLOCKD *xd,
|
|
BOOL_DECODER* const bc,
|
|
PLANE_TYPE type, int i) {
|
|
const int segment_id = xd->mode_info_context->mbmi.segment_id;
|
|
const int seg_eob = get_eob(xd, segment_id, 16);
|
|
|
|
return decode_coefs_4x4_y(dx, xd, bc, type, i, seg_eob);
|
|
}
|
|
|
|
static int decode_mb_tokens_4x4_uv(VP9D_COMP* const dx,
|
|
MACROBLOCKD* const xd,
|
|
BOOL_DECODER* const bc,
|
|
int seg_eob) {
|
|
int eobtotal = 0, i;
|
|
|
|
// chroma blocks
|
|
for (i = 16; i < 24; i++) {
|
|
eobtotal += decode_coefs_4x4(dx, xd, bc, PLANE_TYPE_UV, i, seg_eob,
|
|
DCT_DCT, vp9_default_zig_zag1d_4x4);
|
|
}
|
|
|
|
return eobtotal;
|
|
}
|
|
|
|
int vp9_decode_mb_tokens_4x4_uv(VP9D_COMP* const dx,
|
|
MACROBLOCKD* const xd,
|
|
BOOL_DECODER* const bc) {
|
|
const int segment_id = xd->mode_info_context->mbmi.segment_id;
|
|
const int seg_eob = get_eob(xd, segment_id, 16);
|
|
|
|
return decode_mb_tokens_4x4_uv(dx, xd, bc, seg_eob);
|
|
}
|
|
|
|
static int vp9_decode_mb_tokens_4x4(VP9D_COMP* const dx,
|
|
MACROBLOCKD* const xd,
|
|
BOOL_DECODER* const bc) {
|
|
int i, eobtotal = 0;
|
|
PLANE_TYPE type;
|
|
const int segment_id = xd->mode_info_context->mbmi.segment_id;
|
|
const int seg_eob = get_eob(xd, segment_id, 16);
|
|
const int has_2nd_order = get_2nd_order_usage(xd);
|
|
|
|
// 2nd order DC block
|
|
if (has_2nd_order) {
|
|
eobtotal += decode_coefs_4x4(dx, xd, bc, PLANE_TYPE_Y2, 24, seg_eob,
|
|
DCT_DCT, vp9_default_zig_zag1d_4x4) - 16;
|
|
type = PLANE_TYPE_Y_NO_DC;
|
|
} else {
|
|
xd->above_context->y2 = 0;
|
|
xd->left_context->y2 = 0;
|
|
xd->eobs[24] = 0;
|
|
type = PLANE_TYPE_Y_WITH_DC;
|
|
}
|
|
|
|
// luma blocks
|
|
for (i = 0; i < 16; ++i) {
|
|
eobtotal += decode_coefs_4x4_y(dx, xd, bc, type, i, seg_eob);
|
|
}
|
|
|
|
// chroma blocks
|
|
eobtotal += decode_mb_tokens_4x4_uv(dx, xd, bc, seg_eob);
|
|
|
|
return eobtotal;
|
|
}
|
|
|
|
int vp9_decode_mb_tokens(VP9D_COMP* const dx,
|
|
MACROBLOCKD* const xd,
|
|
BOOL_DECODER* const bc) {
|
|
const TX_SIZE tx_size = xd->mode_info_context->mbmi.txfm_size;
|
|
int eobtotal;
|
|
|
|
if (tx_size == TX_16X16) {
|
|
eobtotal = vp9_decode_mb_tokens_16x16(dx, xd, bc);
|
|
} else if (tx_size == TX_8X8) {
|
|
eobtotal = vp9_decode_mb_tokens_8x8(dx, xd, bc);
|
|
} else {
|
|
assert(tx_size == TX_4X4);
|
|
eobtotal = vp9_decode_mb_tokens_4x4(dx, xd, bc);
|
|
}
|
|
|
|
return eobtotal;
|
|
}
|