2010-05-18 17:58:33 +02:00
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/*
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2010-09-09 14:16:39 +02:00
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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2010-05-18 17:58:33 +02:00
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*
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2010-06-18 18:39:21 +02:00
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* Use of this source code is governed by a BSD-style license
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2010-06-04 22:19:40 +02:00
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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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2010-06-18 18:39:21 +02:00
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* in the file PATENTS. All contributing project authors may
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2010-06-04 22:19:40 +02:00
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* be found in the AUTHORS file in the root of the source tree.
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2010-05-18 17:58:33 +02:00
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*/
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2012-11-01 19:09:58 +01:00
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#include "vp9/common/type_aliases.h"
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#include "vp9/common/blockd.h"
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2010-05-18 17:58:33 +02:00
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#include "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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2010-08-12 15:05:37 +02:00
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#include "detokenize.h"
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2010-05-18 17:58:33 +02:00
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2012-11-01 19:09:58 +01:00
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#include "vp9/common/seg_common.h"
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2011-10-05 12:26:00 +02:00
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2010-05-18 17:58:33 +02:00
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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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2011-07-25 23:11:24 +02:00
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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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2011-07-26 16:22:42 +02:00
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static const unsigned char cat6_prob[14] =
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2012-07-11 02:23:38 +02:00
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{ 254, 254, 252, 249, 243, 230, 196, 177, 153, 140, 133, 130, 129, 0 };
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2010-05-18 17:58:33 +02:00
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2012-11-05 23:22:59 +01:00
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void vp9_reset_mb_tokens_context(MACROBLOCKD* const xd) {
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2012-07-14 00:21:29 +02:00
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/* Clear entropy contexts for Y2 blocks */
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2012-08-14 12:32:29 +02:00
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if ((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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2012-08-14 16:28:43 +02:00
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|| xd->mode_info_context->mbmi.txfm_size == TX_16X16
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2012-08-03 02:03:14 +02:00
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) {
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2012-08-14 12:32:29 +02:00
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vpx_memset(xd->above_context, 0, sizeof(ENTROPY_CONTEXT_PLANES));
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vpx_memset(xd->left_context, 0, sizeof(ENTROPY_CONTEXT_PLANES));
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2012-07-14 00:21:29 +02:00
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} else {
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2012-08-14 12:32:29 +02:00
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vpx_memset(xd->above_context, 0, sizeof(ENTROPY_CONTEXT_PLANES) - 1);
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vpx_memset(xd->left_context, 0, sizeof(ENTROPY_CONTEXT_PLANES) - 1);
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2012-07-14 00:21:29 +02:00
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}
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2010-05-18 17:58:33 +02:00
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}
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2010-08-12 15:05:37 +02:00
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2012-10-31 01:12:12 +01:00
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DECLARE_ALIGNED(16, extern const unsigned char, vp9_norm[256]);
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2012-03-19 19:02:04 +01:00
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2012-10-31 22:40:53 +01:00
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static int get_signed(BOOL_DECODER *br, int value_to_sign) {
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2012-07-14 00:21:29 +02:00
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const int split = (br->range + 1) >> 1;
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2012-10-31 22:40:53 +01:00
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const VP9_BD_VALUE bigsplit = (VP9_BD_VALUE)split << (VP9_BD_VALUE_SIZE - 8);
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2012-07-14 00:21:29 +02:00
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int v;
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2010-05-18 17:58:33 +02:00
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2012-07-14 00:21:29 +02:00
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if (br->count < 0)
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2012-10-31 00:16:28 +01:00
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vp9_bool_decoder_fill(br);
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2010-05-18 17:58:33 +02:00
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2012-07-14 00:21:29 +02:00
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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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2010-08-20 19:58:19 +02:00
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2012-07-14 00:21:29 +02:00
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return v;
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2012-07-10 18:36:56 +02:00
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}
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2010-05-18 17:58:33 +02:00
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2012-11-17 19:35:47 +01:00
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#define INCREMENT_COUNT(token) \
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do { \
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coef_counts[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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2012-08-03 02:03:14 +02:00
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{ \
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2012-10-31 22:40:53 +01:00
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qcoeff_ptr[scan[c]] = (INT16) get_signed(br, val); \
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2012-11-17 19:35:47 +01:00
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INCREMENT_COUNT(token); \
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2012-07-14 00:21:29 +02:00
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c++; \
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continue; \
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}
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2010-05-18 17:58:33 +02:00
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2012-08-03 02:03:14 +02:00
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#define ADJUST_COEF(prob, bits_count) \
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do { \
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2012-10-31 22:40:53 +01:00
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if (vp9_read(br, prob)) \
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2012-07-14 00:21:29 +02:00
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val += (UINT16)(1 << bits_count);\
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} while (0);
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2010-05-18 17:58:33 +02:00
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2012-10-31 01:53:32 +01:00
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static int decode_coefs(VP9D_COMP *dx, const MACROBLOCKD *xd,
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2012-10-18 01:47:38 +02:00
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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 *qcoeff_ptr, int i,
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const int *const scan, int block_type,
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const int *coef_bands) {
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2012-07-14 00:21:29 +02:00
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FRAME_CONTEXT *const fc = &dx->common.fc;
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2012-11-17 19:35:47 +01:00
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int pt, c = (type == PLANE_TYPE_Y_NO_DC);
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2012-11-17 20:07:23 +01:00
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vp9_prob (*coef_probs)[PREV_COEF_CONTEXTS][ENTROPY_NODES], *prob;
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2012-11-17 19:18:41 +01:00
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unsigned int (*coef_counts)[PREV_COEF_CONTEXTS][MAX_ENTROPY_TOKENS];
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2012-08-03 02:03:14 +02:00
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switch (block_type) {
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2012-08-22 00:08:54 +02:00
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default:
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2012-08-03 02:03:14 +02:00
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case TX_4X4:
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2012-11-17 19:18:41 +01:00
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if (tx_type == DCT_DCT) {
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2012-11-17 20:07:23 +01:00
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coef_probs = fc->coef_probs[type];
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2012-11-17 19:18:41 +01:00
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coef_counts = fc->coef_counts[type];
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} else {
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2012-11-17 20:07:23 +01:00
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coef_probs = fc->hybrid_coef_probs[type];
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2012-11-17 19:18:41 +01:00
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coef_counts = fc->hybrid_coef_counts[type];
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}
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2012-08-03 02:03:14 +02:00
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break;
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case TX_8X8:
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2012-11-17 19:18:41 +01:00
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if (tx_type == DCT_DCT) {
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2012-11-17 20:07:23 +01:00
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coef_probs = fc->coef_probs_8x8[type];
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2012-11-17 19:18:41 +01:00
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coef_counts = fc->coef_counts_8x8[type];
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} else {
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2012-11-17 20:07:23 +01:00
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coef_probs = fc->hybrid_coef_probs_8x8[type];
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2012-11-17 19:18:41 +01:00
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coef_counts = fc->hybrid_coef_counts_8x8[type];
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}
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2012-08-03 02:03:14 +02:00
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break;
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2012-08-22 00:08:54 +02:00
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case TX_16X16:
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2012-11-17 19:18:41 +01:00
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if (tx_type == DCT_DCT) {
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2012-11-17 20:07:23 +01:00
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coef_probs = fc->coef_probs_16x16[type];
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2012-11-17 19:18:41 +01:00
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coef_counts = fc->coef_counts_16x16[type];
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} else {
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2012-11-17 20:07:23 +01:00
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coef_probs = fc->hybrid_coef_probs_16x16[type];
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2012-11-17 19:18:41 +01:00
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coef_counts = fc->hybrid_coef_counts_16x16[type];
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}
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2012-08-03 02:03:14 +02:00
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break;
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}
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2012-07-14 00:21:29 +02:00
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2012-11-17 19:35:47 +01:00
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VP9_COMBINEENTROPYCONTEXTS(pt, *a, *l);
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2012-07-14 00:21:29 +02:00
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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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2012-11-14 18:51:23 +01:00
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if (c >= seg_eob) break;
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2012-11-17 20:07:23 +01:00
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prob = coef_probs[coef_bands[c]][pt];
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2012-10-31 22:40:53 +01:00
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if (!vp9_read(br, prob[EOB_CONTEXT_NODE]))
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2012-07-14 00:21:29 +02:00
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break;
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2012-08-03 02:03:14 +02:00
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SKIP_START:
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2012-11-14 18:51:23 +01:00
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if (c >= seg_eob) break;
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2012-10-31 22:40:53 +01:00
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if (!vp9_read(br, prob[ZERO_CONTEXT_NODE])) {
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2012-11-17 19:35:47 +01:00
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INCREMENT_COUNT(ZERO_TOKEN);
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2012-07-14 00:21:29 +02:00
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++c;
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2012-11-17 20:07:23 +01:00
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prob = coef_probs[coef_bands[c]][pt];
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2012-07-14 00:21:29 +02:00
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goto SKIP_START;
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}
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// ONE_CONTEXT_NODE_0_
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2012-10-31 22:40:53 +01:00
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if (!vp9_read(br, prob[ONE_CONTEXT_NODE])) {
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2012-11-17 20:07:23 +01:00
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WRITE_COEF_CONTINUE(1, ONE_TOKEN);
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2012-07-14 00:21:29 +02:00
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}
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// LOW_VAL_CONTEXT_NODE_0_
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2012-10-31 22:40:53 +01:00
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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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2012-11-17 19:35:47 +01:00
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WRITE_COEF_CONTINUE(2, TWO_TOKEN);
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2012-07-14 00:21:29 +02:00
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}
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2012-10-31 22:40:53 +01:00
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if (!vp9_read(br, prob[THREE_CONTEXT_NODE])) {
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2012-11-17 19:35:47 +01:00
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WRITE_COEF_CONTINUE(3, THREE_TOKEN);
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2012-07-14 00:21:29 +02:00
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}
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2012-11-17 19:35:47 +01:00
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WRITE_COEF_CONTINUE(4, FOUR_TOKEN);
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2012-07-14 00:21:29 +02:00
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}
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// HIGH_LOW_CONTEXT_NODE_0_
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2012-10-31 22:40:53 +01:00
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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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2012-07-14 00:21:29 +02:00
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val = CAT1_MIN_VAL;
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ADJUST_COEF(CAT1_PROB0, 0);
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2012-11-17 19:35:47 +01:00
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WRITE_COEF_CONTINUE(val, DCT_VAL_CATEGORY1);
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2012-07-14 00:21:29 +02:00
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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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2012-11-17 19:35:47 +01:00
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WRITE_COEF_CONTINUE(val, DCT_VAL_CATEGORY2);
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2012-07-10 18:36:56 +02:00
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}
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2012-07-14 00:21:29 +02:00
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// CAT_THREEFOUR_CONTEXT_NODE_0_
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2012-10-31 22:40:53 +01:00
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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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2012-07-14 00:21:29 +02:00
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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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2012-11-17 19:35:47 +01:00
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WRITE_COEF_CONTINUE(val, DCT_VAL_CATEGORY3);
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2012-07-14 00:21:29 +02:00
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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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2012-11-17 19:35:47 +01:00
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WRITE_COEF_CONTINUE(val, DCT_VAL_CATEGORY4);
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2012-07-14 00:21:29 +02:00
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}
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// CAT_FIVE_CONTEXT_NODE_0_:
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2012-10-31 22:40:53 +01:00
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if (!vp9_read(br, prob[CAT_FIVE_CONTEXT_NODE])) {
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2012-07-14 00:21:29 +02:00
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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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2012-11-17 19:35:47 +01:00
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WRITE_COEF_CONTINUE(val, DCT_VAL_CATEGORY5);
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2012-07-14 00:21:29 +02:00
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}
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val = 0;
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while (*cat6) {
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2012-10-31 22:40:53 +01:00
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val = (val << 1) | vp9_read(br, *cat6++);
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2012-07-14 00:21:29 +02:00
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}
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val += CAT6_MIN_VAL;
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2012-11-17 19:35:47 +01:00
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WRITE_COEF_CONTINUE(val, DCT_VAL_CATEGORY6);
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2012-07-14 00:21:29 +02:00
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}
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2012-06-25 21:26:09 +02:00
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2012-11-17 19:35:47 +01:00
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if (c < seg_eob)
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coef_counts[coef_bands[c]][pt][DCT_EOB_TOKEN]++;
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2012-11-17 19:18:41 +01:00
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2012-07-14 00:21:29 +02:00
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return c;
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2012-07-10 18:36:56 +02:00
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}
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2010-05-18 17:58:33 +02:00
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|
2012-11-14 18:51:23 +01:00
|
|
|
|
|
|
|
int get_eob(MACROBLOCKD* const xd, int segment_id, int eob_max) {
|
|
|
|
int active = vp9_segfeature_active(xd, segment_id, SEG_LVL_EOB);
|
|
|
|
int eob = vp9_get_segdata(xd, segment_id, SEG_LVL_EOB);
|
|
|
|
|
|
|
|
if (!active || eob > eob_max)
|
|
|
|
eob = eob_max;
|
|
|
|
return eob;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2012-11-05 23:22:59 +01:00
|
|
|
int vp9_decode_mb_tokens_16x16(VP9D_COMP* const pbi,
|
|
|
|
MACROBLOCKD* const xd,
|
2012-10-18 01:47:38 +02:00
|
|
|
BOOL_DECODER* const bc) {
|
2012-08-03 02:03:14 +02:00
|
|
|
ENTROPY_CONTEXT* const A = (ENTROPY_CONTEXT *)xd->above_context;
|
|
|
|
ENTROPY_CONTEXT* const L = (ENTROPY_CONTEXT *)xd->left_context;
|
|
|
|
|
2012-11-02 21:06:51 +01:00
|
|
|
unsigned short* const eobs = xd->eobs;
|
2012-10-15 00:29:56 +02:00
|
|
|
PLANE_TYPE type;
|
|
|
|
int c, i, eobtotal = 0, seg_eob;
|
2012-08-03 02:03:14 +02:00
|
|
|
const int segment_id = xd->mode_info_context->mbmi.segment_id;
|
|
|
|
INT16 *qcoeff_ptr = &xd->qcoeff[0];
|
2012-10-22 20:55:29 +02:00
|
|
|
TX_TYPE tx_type = get_tx_type(xd, &xd->block[0]);
|
2012-08-03 02:03:14 +02:00
|
|
|
|
|
|
|
type = PLANE_TYPE_Y_WITH_DC;
|
2012-11-14 18:51:23 +01:00
|
|
|
seg_eob = get_eob(xd, segment_id, 256);
|
2012-08-03 02:03:14 +02:00
|
|
|
|
|
|
|
// Luma block
|
|
|
|
{
|
2012-10-31 01:12:12 +01:00
|
|
|
const int* const scan = vp9_default_zig_zag1d_16x16;
|
2012-10-18 01:47:38 +02:00
|
|
|
c = decode_coefs(pbi, xd, bc, A, L, type,
|
|
|
|
tx_type,
|
|
|
|
seg_eob, qcoeff_ptr,
|
2012-11-17 20:07:23 +01:00
|
|
|
0, scan, TX_16X16, vp9_coef_bands_16x16);
|
2012-08-03 02:03:14 +02:00
|
|
|
eobs[0] = c;
|
2012-10-22 23:06:52 +02:00
|
|
|
A[0] = L[0] = (c != !type);
|
|
|
|
A[1] = A[2] = A[3] = A[0];
|
|
|
|
L[1] = L[2] = L[3] = L[0];
|
2012-08-03 02:03:14 +02:00
|
|
|
eobtotal += c;
|
|
|
|
}
|
|
|
|
|
|
|
|
// 8x8 chroma blocks
|
|
|
|
qcoeff_ptr += 256;
|
|
|
|
type = PLANE_TYPE_UV;
|
2012-09-10 07:42:35 +02:00
|
|
|
tx_type = DCT_DCT;
|
2012-11-14 18:51:23 +01:00
|
|
|
seg_eob = get_eob(xd, segment_id, 64);
|
2012-08-03 02:03:14 +02:00
|
|
|
for (i = 16; i < 24; i += 4) {
|
2012-10-31 01:12:12 +01:00
|
|
|
ENTROPY_CONTEXT* const a = A + vp9_block2above_8x8[i];
|
|
|
|
ENTROPY_CONTEXT* const l = L + vp9_block2left_8x8[i];
|
|
|
|
const int* const scan = vp9_default_zig_zag1d_8x8;
|
2012-08-03 02:03:14 +02:00
|
|
|
|
2012-10-18 01:47:38 +02:00
|
|
|
c = decode_coefs(pbi, xd, bc, a, l, type,
|
|
|
|
tx_type,
|
|
|
|
seg_eob, qcoeff_ptr,
|
2012-11-17 20:07:23 +01:00
|
|
|
i, scan, TX_8X8, vp9_coef_bands_8x8);
|
2012-08-03 02:03:14 +02:00
|
|
|
a[0] = l[0] = ((eobs[i] = c) != !type);
|
|
|
|
a[1] = a[0];
|
|
|
|
l[1] = l[0];
|
|
|
|
|
|
|
|
eobtotal += c;
|
|
|
|
qcoeff_ptr += 64;
|
|
|
|
}
|
|
|
|
vpx_memset(&A[8], 0, sizeof(A[8]));
|
|
|
|
vpx_memset(&L[8], 0, sizeof(L[8]));
|
|
|
|
return eobtotal;
|
|
|
|
}
|
|
|
|
|
2012-11-05 23:22:59 +01:00
|
|
|
int vp9_decode_mb_tokens_8x8(VP9D_COMP* const pbi,
|
|
|
|
MACROBLOCKD* const xd,
|
2012-10-18 01:47:38 +02:00
|
|
|
BOOL_DECODER* const bc) {
|
2012-07-14 00:21:29 +02:00
|
|
|
ENTROPY_CONTEXT *const A = (ENTROPY_CONTEXT *)xd->above_context;
|
|
|
|
ENTROPY_CONTEXT *const L = (ENTROPY_CONTEXT *)xd->left_context;
|
|
|
|
|
2012-11-02 21:06:51 +01:00
|
|
|
unsigned short *const eobs = xd->eobs;
|
2012-10-15 00:29:56 +02:00
|
|
|
PLANE_TYPE type;
|
|
|
|
int c, i, eobtotal = 0, seg_eob;
|
2012-07-14 00:21:29 +02:00
|
|
|
const int segment_id = xd->mode_info_context->mbmi.segment_id;
|
|
|
|
INT16 *qcoeff_ptr = &xd->qcoeff[0];
|
2012-09-10 07:42:35 +02:00
|
|
|
TX_TYPE tx_type = DCT_DCT;
|
2012-08-01 19:18:25 +02:00
|
|
|
|
2012-10-22 20:49:00 +02:00
|
|
|
int bufthred = (xd->mode_info_context->mbmi.mode == I8X8_PRED ||
|
|
|
|
xd->mode_info_context->mbmi.mode == SPLITMV) ? 16 : 24;
|
2012-08-01 19:18:25 +02:00
|
|
|
if (xd->mode_info_context->mbmi.mode != B_PRED &&
|
|
|
|
xd->mode_info_context->mbmi.mode != SPLITMV &&
|
|
|
|
xd->mode_info_context->mbmi.mode != I8X8_PRED) {
|
2012-10-31 01:12:12 +01:00
|
|
|
ENTROPY_CONTEXT *const a = A + vp9_block2above_8x8[24];
|
|
|
|
ENTROPY_CONTEXT *const l = L + vp9_block2left_8x8[24];
|
|
|
|
const int *const scan = vp9_default_zig_zag1d;
|
2012-07-14 00:21:29 +02:00
|
|
|
type = PLANE_TYPE_Y2;
|
2012-07-11 02:23:38 +02:00
|
|
|
|
2012-11-14 18:51:23 +01:00
|
|
|
seg_eob = get_eob(xd, segment_id, 4);
|
2012-10-18 01:47:38 +02:00
|
|
|
c = decode_coefs(pbi, xd, bc, a, l, type,
|
|
|
|
tx_type,
|
|
|
|
seg_eob, qcoeff_ptr + 24 * 16,
|
2012-11-17 20:07:23 +01:00
|
|
|
24, scan, TX_8X8, vp9_coef_bands);
|
2012-07-14 00:21:29 +02:00
|
|
|
a[0] = l[0] = ((eobs[24] = c) != !type);
|
|
|
|
|
|
|
|
eobtotal += c - 4;
|
|
|
|
|
|
|
|
type = PLANE_TYPE_Y_NO_DC;
|
|
|
|
} else
|
|
|
|
type = PLANE_TYPE_Y_WITH_DC;
|
|
|
|
|
2012-11-14 18:51:23 +01:00
|
|
|
seg_eob = get_eob(xd, segment_id, 64);
|
2012-08-01 19:18:25 +02:00
|
|
|
|
|
|
|
for (i = 0; i < bufthred ; i += 4) {
|
2012-10-31 01:12:12 +01:00
|
|
|
ENTROPY_CONTEXT *const a = A + vp9_block2above_8x8[i];
|
|
|
|
ENTROPY_CONTEXT *const l = L + vp9_block2left_8x8[i];
|
|
|
|
const int *const scan = vp9_default_zig_zag1d_8x8;
|
2012-09-10 07:42:35 +02:00
|
|
|
tx_type = DCT_DCT;
|
2012-08-01 19:18:25 +02:00
|
|
|
|
2012-07-14 00:21:29 +02:00
|
|
|
if (i == 16)
|
|
|
|
type = PLANE_TYPE_UV;
|
2012-10-16 01:41:41 +02:00
|
|
|
if (type == PLANE_TYPE_Y_WITH_DC) {
|
2012-09-10 07:42:35 +02:00
|
|
|
tx_type = get_tx_type(xd, xd->block + i);
|
|
|
|
}
|
2012-07-14 00:21:29 +02:00
|
|
|
|
2012-10-18 01:47:38 +02:00
|
|
|
c = decode_coefs(pbi, xd, bc, a, l, type,
|
|
|
|
tx_type,
|
|
|
|
seg_eob, qcoeff_ptr,
|
2012-11-17 20:07:23 +01:00
|
|
|
i, scan, TX_8X8, vp9_coef_bands_8x8);
|
2012-07-14 00:21:29 +02:00
|
|
|
a[0] = l[0] = ((eobs[i] = c) != !type);
|
|
|
|
a[1] = a[0];
|
|
|
|
l[1] = l[0];
|
|
|
|
|
|
|
|
eobtotal += c;
|
|
|
|
qcoeff_ptr += 64;
|
|
|
|
}
|
|
|
|
|
2012-10-05 14:08:20 +02:00
|
|
|
if (bufthred == 16) {
|
2012-08-01 19:18:25 +02:00
|
|
|
type = PLANE_TYPE_UV;
|
2012-09-10 07:42:35 +02:00
|
|
|
tx_type = DCT_DCT;
|
2012-11-14 18:51:23 +01:00
|
|
|
seg_eob = get_eob(xd, segment_id, 16);
|
2012-08-01 19:18:25 +02:00
|
|
|
|
|
|
|
// use 4x4 transform for U, V components in I8X8 prediction mode
|
|
|
|
for (i = 16; i < 24; i++) {
|
2012-10-31 01:12:12 +01:00
|
|
|
ENTROPY_CONTEXT *const a = A + vp9_block2above[i];
|
|
|
|
ENTROPY_CONTEXT *const l = L + vp9_block2left[i];
|
|
|
|
const int *scan = vp9_default_zig_zag1d;
|
2012-08-01 19:18:25 +02:00
|
|
|
|
2012-10-18 01:47:38 +02:00
|
|
|
c = decode_coefs(pbi, xd, bc, a, l, type,
|
|
|
|
tx_type,
|
|
|
|
seg_eob, qcoeff_ptr,
|
2012-11-17 20:07:23 +01:00
|
|
|
i, scan, TX_4X4, vp9_coef_bands);
|
2012-08-01 19:18:25 +02:00
|
|
|
a[0] = l[0] = ((eobs[i] = c) != !type);
|
|
|
|
|
|
|
|
eobtotal += c;
|
|
|
|
qcoeff_ptr += 16;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-07-14 00:21:29 +02:00
|
|
|
return eobtotal;
|
2012-07-11 02:23:38 +02:00
|
|
|
}
|
|
|
|
|
2012-11-17 07:26:12 +01:00
|
|
|
static int decode_coefs_4x4(VP9D_COMP *dx, MACROBLOCKD *xd,
|
|
|
|
BOOL_DECODER* const bc,
|
|
|
|
PLANE_TYPE type, int i) {
|
2012-07-14 00:21:29 +02:00
|
|
|
ENTROPY_CONTEXT *const A = (ENTROPY_CONTEXT *)xd->above_context;
|
|
|
|
ENTROPY_CONTEXT *const L = (ENTROPY_CONTEXT *)xd->left_context;
|
2012-10-09 22:19:15 +02:00
|
|
|
ENTROPY_CONTEXT *const a = A + vp9_block2above[i];
|
|
|
|
ENTROPY_CONTEXT *const l = L + vp9_block2left[i];
|
2012-07-14 00:21:29 +02:00
|
|
|
INT16 *qcoeff_ptr = &xd->qcoeff[0];
|
2012-10-09 22:19:15 +02:00
|
|
|
const int *scan = vp9_default_zig_zag1d;
|
|
|
|
unsigned short *const eobs = xd->eobs;
|
2012-07-14 00:21:29 +02:00
|
|
|
int segment_id = xd->mode_info_context->mbmi.segment_id;
|
2012-11-17 07:26:12 +01:00
|
|
|
int c, seg_eob = get_eob(xd, segment_id, 16);
|
|
|
|
TX_TYPE tx_type = DCT_DCT;
|
2012-10-09 22:19:15 +02:00
|
|
|
|
|
|
|
if (type == PLANE_TYPE_Y_WITH_DC)
|
|
|
|
tx_type = get_tx_type(xd, &xd->block[i]);
|
|
|
|
switch (tx_type) {
|
|
|
|
case ADST_DCT :
|
|
|
|
scan = vp9_row_scan;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case DCT_ADST :
|
|
|
|
scan = vp9_col_scan;
|
|
|
|
break;
|
|
|
|
|
|
|
|
default :
|
|
|
|
scan = vp9_default_zig_zag1d;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
c = decode_coefs(dx, xd, bc, a, l, type,
|
|
|
|
tx_type,
|
|
|
|
seg_eob, qcoeff_ptr + i * 16,
|
2012-11-17 20:07:23 +01:00
|
|
|
i, scan, TX_4X4, vp9_coef_bands);
|
2012-10-09 22:19:15 +02:00
|
|
|
a[0] = l[0] = ((eobs[i] = c) != !type);
|
|
|
|
return c;
|
|
|
|
}
|
|
|
|
|
2012-11-17 07:26:12 +01:00
|
|
|
int vp9_decode_mb_tokens_4x4(VP9D_COMP* const dx,
|
|
|
|
MACROBLOCKD* const xd,
|
|
|
|
BOOL_DECODER* const bc) {
|
|
|
|
int i, eobtotal = 0;
|
|
|
|
PLANE_TYPE type;
|
2012-10-09 22:19:15 +02:00
|
|
|
|
2012-07-14 00:21:29 +02:00
|
|
|
if (xd->mode_info_context->mbmi.mode != B_PRED &&
|
|
|
|
xd->mode_info_context->mbmi.mode != I8X8_PRED &&
|
|
|
|
xd->mode_info_context->mbmi.mode != SPLITMV) {
|
2012-11-17 07:26:12 +01:00
|
|
|
eobtotal += decode_coefs_4x4(dx, xd, bc, PLANE_TYPE_Y2, 24) - 16;
|
2012-07-14 00:21:29 +02:00
|
|
|
type = PLANE_TYPE_Y_NO_DC;
|
|
|
|
} else {
|
|
|
|
type = PLANE_TYPE_Y_WITH_DC;
|
|
|
|
}
|
2010-05-18 17:58:33 +02:00
|
|
|
|
2012-11-17 07:26:12 +01:00
|
|
|
for (i = 0; i < 16; ++i) {
|
|
|
|
eobtotal += decode_coefs_4x4(dx, xd, bc, type, i);
|
2012-07-14 00:21:29 +02:00
|
|
|
}
|
2012-11-17 07:26:12 +01:00
|
|
|
do {
|
|
|
|
eobtotal += decode_coefs_4x4(dx, xd, bc, PLANE_TYPE_UV, i);
|
|
|
|
} while (++i < 24);
|
2012-07-14 00:21:29 +02:00
|
|
|
return eobtotal;
|
2010-05-18 17:58:33 +02:00
|
|
|
}
|