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gerrit-public.fairphone.software / platform / external / libavc / refs/heads/int/10/fp2 / . / decoder / ih264d_parse_cavlc.h
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Hamsalekha S8d3d3032015-03-13 21:24:58 +0530[diff] [blame]1/******************************************************************************
2 *
3 * Copyright (C) 2015 The Android Open Source Project
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 *****************************************************************************
18 * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
19*/
20#ifndef _IH264D_PARSE_CAVLC_H_
21#define _IH264D_PARSE_CAVLC_H_
22/*!
23 **************************************************************************
24 * \file ih264d_parse_cavlc.h
25 *
26 * \brief
27 * Declaration of UVLC and CAVLC functions
28 *
29 * \date
30 * 18/12/2002
31 *
32 * \author AI
33 **************************************************************************
34 */
35#include "ih264_typedefs.h"
36#include "ih264_macros.h"
37#include "ih264_platform_macros.h"
38#include "ih264d_bitstrm.h"
39#include "ih264d_structs.h"
40#include "ih264d_cabac.h"
41
42enum cavlcTableNum
43{
44 tableTotalZeroOffset,
45 tableTotalZero,
46 tableRunBefore,
47 codeGx,
48 chromTab,
49 offsetNumVlcTab
50};
51
52WORD32 ih264d_uvlc(dec_bit_stream_t *ps_bitstrm,
53 UWORD32 u4_range,
54 UWORD32 *pi_bitstrm_ofst,
55 UWORD8 u1_flag,
56 UWORD32 u4_bitstrm_ofst,
57 UWORD32 *pi_bitstrm_buf);
58
59UWORD32 ih264d_uev(UWORD32 *pu4_bitstrm_ofst, UWORD32 *pu4_bitstrm_buf);
60
61WORD32 ih264d_sev(UWORD32 *pu4_bitstrm_ofst, UWORD32 *pu4_bitstrm_buf);
62
63UWORD32 ih264d_tev_range1(UWORD32 *pu4_bitstrm_ofst,
64 UWORD32 *pu4_bitstrm_buf);
65
66UWORD8 RestOfResidualBlockCavlc(WORD16 *pi2_coeff_block,
67 UWORD32 u1_ofst_is_dc_max_coef_scale_fact,
68 UWORD32 u4_total_coeff_trail_one,
69 dec_bit_stream_t *ps_bitstrm,
70 UWORD8 *pu1_invscan);
71
72WORD32 ih264d_cavlc_4x4res_block_totalcoeff_1( UWORD32 u4_isdc,
73 UWORD32 u4_total_coeff_trail_one,
74 dec_bit_stream_t *ps_bitstrm);
75
76WORD32 ih264d_cavlc_4x4res_block_totalcoeff_2to10(UWORD32 u4_isdc,
77 UWORD32 u4_total_coeff_trail_one,
78 dec_bit_stream_t *ps_bitstrm);
79
80WORD32 ih264d_cavlc_4x4res_block_totalcoeff_11to16(UWORD32 u4_isdc,
81 UWORD32 u4_total_coeff_trail_one,
82 dec_bit_stream_t *ps_bitstrm);
83
84WORD32 ih264d_cavlc_parse4x4coeff_n0to7(WORD16 *pi2_coeff_block,
85 UWORD32 u4_isdc,
86 WORD32 u4_n,
87 dec_struct_t *ps_dec,
88 UWORD32 *pu4_total_coeff);
89
90WORD32 ih264d_cavlc_parse4x4coeff_n8(WORD16 *pi2_coeff_block,
91 UWORD32 u4_isdc,
92 WORD32 u4_n,
93 dec_struct_t *ps_dec,
94 UWORD32 *pu4_total_coeff);
95
96void ih264d_cavlc_parse_chroma_dc(dec_mb_info_t *ps_cur_mb_info,
97 WORD16 *pi2_coeff_block,
98 dec_bit_stream_t *ps_bitstrm,
99 UWORD32 u4_scale_u,
100 UWORD32 u4_scale_v,
101 WORD32 i4_mb_inter_inc);
102
103WORD32 ih264d_cavlc_parse_8x8block_none_available(WORD16 *pi2_coeff_block,
104 UWORD32 u4_sub_block_strd,
105 UWORD32 u4_isdc,
106 dec_struct_t * ps_dec,
107 UWORD8 *pu1_top_nnz,
108 UWORD8 *pu1_left_nnz,
109 UWORD8 u1_tran_form8x8,
110 UWORD8 u1_mb_field_decodingflag,
111 UWORD32 *pu4_csbp);
112
113WORD32 ih264d_cavlc_parse_8x8block_left_available(WORD16 *pi2_coeff_block,
114 UWORD32 u4_sub_block_strd,
115 UWORD32 u4_isdc,
116 dec_struct_t * ps_dec,
117 UWORD8 *pu1_top_nnz,
118 UWORD8 *pu1_left_nnz,
119 UWORD8 u1_tran_form8x8,
120 UWORD8 u1_mb_field_decodingflag,
121 UWORD32 *pu4_csbp);
122
123WORD32 ih264d_cavlc_parse_8x8block_top_available(WORD16 *pi2_coeff_block,
124 UWORD32 u4_sub_block_strd,
125 UWORD32 u4_isdc,
126 dec_struct_t * ps_dec,
127 UWORD8 *pu1_top_nnz,
128 UWORD8 *pu1_left_nnz,
129 UWORD8 u1_tran_form8x8,
130 UWORD8 u1_mb_field_decodingflag,
131 UWORD32 *pu4_csbp);
132
133WORD32 ih264d_cavlc_parse_8x8block_both_available(WORD16 *pi2_coeff_block,
134 UWORD32 u4_sub_block_strd,
135 UWORD32 u4_isdc,
136 dec_struct_t * ps_dec,
137 UWORD8 *pu1_top_nnz,
138 UWORD8 *pu1_left_nnz,
139 UWORD8 u1_tran_form8x8,
140 UWORD8 u1_mb_field_decodingflag,
141 UWORD32 *pu4_csbp);
142
143WORD8 ResidualBlockChromaDC(WORD16 *pi2_level, dec_bit_stream_t *ps_bitstrm);
144
145void ih264d_parse_pmb_ref_index_cavlc_range1(UWORD32 u4_num_part,
146 dec_bit_stream_t *ps_bitstrm,
147 WORD8 *pi1_ref_idx,
148 UWORD32 u4_num_ref_idx_active_minus1);
149
150WORD32 ih264d_parse_pmb_ref_index_cavlc(UWORD32 u4_num_part,
151 dec_bit_stream_t *ps_bitstrm,
152 WORD8 *pi1_ref_idx,
153 UWORD32 u4_num_ref_idx_active_minus1);
154
155void ih264d_parse_bmb_ref_index_cavlc_range1(UWORD32 u4_num_part,
156 dec_bit_stream_t *ps_bitstrm,
157 WORD8 *pi1_ref_idx,
158 UWORD32 u4_num_ref_idx_active_minus1);
159
160WORD32 ih264d_parse_bmb_ref_index_cavlc(UWORD32 u4_num_part,
161 dec_bit_stream_t *ps_bitstrm,
162 WORD8 *pi1_ref_idx,
163 UWORD32 u4_num_ref_idx_active_minus1);
164
165#endif /* _IH264D_PARSE_CAVLC_H_ */