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 /*! 21 *************************************************************************** 22 * \file ih264d_parse_mb_header.h 23 * 24 * \brief 25 * This file contains context identifier decoding routines. 26 * 27 * \date 28 * 04/02/2003 29 * 30 * \author NS 31 *************************************************************************** 32 */ 33 #ifndef _IH264D_PARSE_MB_HEADER_H_ 34 #define _IH264D_PARSE_MB_HEADER_H_ 35 36 #include "ih264_typedefs.h" 37 #include "ih264_macros.h" 38 #include "ih264_platform_macros.h" 39 #include "ih264d_structs.h" 40 #include "ih264d_cabac.h" 41 42 WORD32 ih264d_read_intra_pred_modes_cabac(dec_struct_t * ps_dec, 43 UWORD8 * pu1_prev_intra4x4_pred_mode_flag, 44 UWORD8 * pu1_rem_intra4x4_pred_mode, 45 UWORD8 u1_tran_form8x8); 46 47 UWORD32 ih264d_parse_mb_type_cabac(struct _DecStruct * ps_dec); 48 UWORD8 ih264d_parse_mb_type_intra_cabac(UWORD8 u1_inter, 49 struct _DecStruct * ps_dec); 50 51 UWORD32 ih264d_parse_submb_type_cabac(const UWORD8 u1_slc_type_p, 52 decoding_envirnoment_t * ps_cab_env, 53 dec_bit_stream_t * ps_bitstrm, 54 bin_ctxt_model_t * ps_sub_mb_cxt); 55 WORD32 ih264d_parse_ref_idx_cabac(const UWORD8 u1_num_part, 56 const UWORD8 u1_b2, 57 const UWORD8 u1_max_ref_minus1, 58 const UWORD8 u1_mb_mode, 59 WORD8 * pi1_ref_idx, 60 WORD8 * const pi1_lft_cxt, 61 WORD8 * const pi1_top_cxt, 62 decoding_envirnoment_t * const ps_cab_env, 63 dec_bit_stream_t * const ps_bitstrm, 64 bin_ctxt_model_t * const ps_ref_cxt); 65 66 WORD32 ih264d_parse_mb_qp_delta_cabac(struct _DecStruct * ps_dec, 67 WORD8 *pi1_mb_qp_delta); 68 WORD8 ih264d_parse_chroma_pred_mode_cabac(struct _DecStruct * ps_dec); 69 70 UWORD32 ih264d_parse_ctx_cbp_cabac(struct _DecStruct * ps_dec); 71 72 UWORD8 ih264d_parse_transform8x8flag_cabac(struct _DecStruct * ps_dec, 73 dec_mb_info_t * ps_cur_mb_info); 74 75 void ih264d_get_mvd_cabac(UWORD8 u1_sub_mb, 76 UWORD8 u1_b2, 77 UWORD8 u1_part_wd, 78 UWORD8 u1_part_ht, 79 UWORD8 u1_dec_mvd, 80 dec_struct_t *ps_dec, 81 mv_pred_t *ps_mv); 82 83 WORD16 ih264d_parse_mvd_cabac(dec_bit_stream_t * ps_bitstrm, 84 decoding_envirnoment_t * ps_cab_env, 85 bin_ctxt_model_t * p_ctxt_mvd, 86 UWORD32 temp); 87 88 #endif /* _IH264D_PARSE_MB_HEADER_H_ */ 89