Hamsalekha S | 8d3d303 | 2015-03-13 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 | |
| 42 | enum cavlcTableNum |
| 43 | { |
| 44 | tableTotalZeroOffset, |
| 45 | tableTotalZero, |
| 46 | tableRunBefore, |
| 47 | codeGx, |
| 48 | chromTab, |
| 49 | offsetNumVlcTab |
| 50 | }; |
| 51 | |
| 52 | WORD32 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 | |
| 59 | UWORD32 ih264d_uev(UWORD32 *pu4_bitstrm_ofst, UWORD32 *pu4_bitstrm_buf); |
| 60 | |
| 61 | WORD32 ih264d_sev(UWORD32 *pu4_bitstrm_ofst, UWORD32 *pu4_bitstrm_buf); |
| 62 | |
| 63 | UWORD32 ih264d_tev_range1(UWORD32 *pu4_bitstrm_ofst, |
| 64 | UWORD32 *pu4_bitstrm_buf); |
| 65 | |
| 66 | UWORD8 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 | |
| 72 | WORD32 ih264d_cavlc_4x4res_block_totalcoeff_1( UWORD32 u4_isdc, |
| 73 | UWORD32 u4_total_coeff_trail_one, |
| 74 | dec_bit_stream_t *ps_bitstrm); |
| 75 | |
| 76 | WORD32 ih264d_cavlc_4x4res_block_totalcoeff_2to10(UWORD32 u4_isdc, |
| 77 | UWORD32 u4_total_coeff_trail_one, |
| 78 | dec_bit_stream_t *ps_bitstrm); |
| 79 | |
| 80 | WORD32 ih264d_cavlc_4x4res_block_totalcoeff_11to16(UWORD32 u4_isdc, |
| 81 | UWORD32 u4_total_coeff_trail_one, |
| 82 | dec_bit_stream_t *ps_bitstrm); |
| 83 | |
| 84 | WORD32 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 | |
| 90 | WORD32 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 | |
| 96 | void 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 | |
| 103 | WORD32 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 | |
| 113 | WORD32 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 | |
| 123 | WORD32 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 | |
| 133 | WORD32 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 | |
| 143 | WORD8 ResidualBlockChromaDC(WORD16 *pi2_level, dec_bit_stream_t *ps_bitstrm); |
| 144 | |
| 145 | void 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 | |
| 150 | WORD32 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 | |
| 155 | void 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 | |
| 160 | WORD32 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_ */ |